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-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/Cboot.S18
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/Makefile61
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/board_io.S62
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/hw.c124
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage2.c276
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage2.h23
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage2.lds57
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage2_head.S89
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage_s.S43
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/stage_s.lds22
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/startup.S708
-rw-r--r--qemu/roms/SLOF/board-js2x/llfw/u4mem.c4065
12 files changed, 0 insertions, 5548 deletions
diff --git a/qemu/roms/SLOF/board-js2x/llfw/Cboot.S b/qemu/roms/SLOF/board-js2x/llfw/Cboot.S
deleted file mode 100644
index d22f3c934..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/Cboot.S
+++ /dev/null
@@ -1,18 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
- .org 0
-
- /* Boot Information, hardcoded to ColdReset */
- .quad 1
- /* start address */
- .quad 0x100
diff --git a/qemu/roms/SLOF/board-js2x/llfw/Makefile b/qemu/roms/SLOF/board-js2x/llfw/Makefile
deleted file mode 100644
index 41cdc35c8..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/Makefile
+++ /dev/null
@@ -1,61 +0,0 @@
-# *****************************************************************************
-# * Copyright (c) 2004, 2008 IBM Corporation
-# * All rights reserved.
-# * This program and the accompanying materials
-# * are made available under the terms of the BSD License
-# * which accompanies this distribution, and is available at
-# * http://www.opensource.org/licenses/bsd-license.php
-# *
-# * Contributors:
-# * IBM Corporation - initial implementation
-# ****************************************************************************/
-
-include ../../make.rules
-
-CPPFLAGS = -I$(INCLBRDDIR) -I$(INCLCMNDIR) -I$(INCLCMNDIR)/$(CPUARCH) \
- -I$(LIBCMNDIR)/libc/include
-CFLAGS += -fno-builtin $(CPPFLAGS) -O2 -msoft-float $(MAMBO)
-CFLAGS += $(BOOT) $(IOCONF) -Wa,-mregnames $(RELEASE) $(CPUARCHDEF) -Wall
-ASFLAGS = $(BOOT) $(IOCONF) $(RELEASE)$(CPUARCHDEF) -Wa,-mregnames
-LDFLAGS1 = -nostdlib -e__start -Tstage2.lds -N -Ttext=0x100
-
-
-STG1OBJ = startup.o boot_abort.o romfs.o hw.o io_generic.o board_io.o
-STG1OBJ += stage2_head.o stage2.o comlib.o romfs_wrap.o nvramlog.o
-STG1OBJ += u4mem.o
-
-all: stage1.bin stageS.bin Cboot.o
-
-stage1.bin: $(STG1OBJ) $(LIBCMNDIR)/libelf.a $(LIBCMNDIR)/libc.a
- $(LD) $(LDFLAGS1) -o stage1.elf $^
- $(OBJCOPY) -O binary stage1.elf $@
-
-stageS.bin: stage_s.o
- $(LD) -nostdlib -N -Tstage_s.lds -o stage_s.elf stage_s.o
- $(OBJCOPY) -O binary stage_s.elf stageS.bin
-
-romfs.o: ../../llfw/romfs.S
- $(CC) $(CFLAGS) -c ../../llfw/romfs.S
-
-boot_abort.o: ../../llfw/boot_abort.S
- $(CC) $(CFLAGS) -c ../../llfw/boot_abort.S
-
-nvramlog.o: ../../llfw/nvramlog.S
- $(CC) $(CFLAGS) -c ../../llfw/nvramlog.S
-
-include $(LLFWCMNDIR)/clib/Makefile.inc
-
-include $(LLFWCMNDIR)/io_generic/Makefile.inc
-
-romfs_wrap.o: ../../llfw/romfs_wrap.c
- $(CC) $(CFLAGS) -c ../../llfw/romfs_wrap.c
-
-Cboot.o: Cboot.S
- $(CC) $(CFLAGS) -c $^
- $(OBJCOPY) -O binary Cboot.o Cboot.bin
-
-%.o: %.S
- $(CC) $(CFLAGS) -c $^
-
-clean:
- rm -f *.o *.bin *.elf
diff --git a/qemu/roms/SLOF/board-js2x/llfw/board_io.S b/qemu/roms/SLOF/board-js2x/llfw/board_io.S
deleted file mode 100644
index 2f365883d..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/board_io.S
+++ /dev/null
@@ -1,62 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <macros.h>
-#include <cpu.h>
-
- .text
-
-C_ENTRY(copy_from_flash)
-# size in GPR3 (multiple of 64), from GPR4, to GPR5
- mflr 24 ; mtctr 3 ; addi 4,4,-64 ; addi 5,5,-64
-0: SETCI(r0)
- ldu 16,64(4) ; ld 17,8(4) ; ld 18,16(4) ; ld 19,24(4)
- ld 20,32(4) ; ld 21,40(4) ; ld 22,48(4) ; ld 23,56(4)
- CLRCI(r0)
- stdu 16,64(5) ; std 17,8(5) ; std 18,16(5) ; std 19,24(5)
- std 20,32(5) ; std 21,40(5) ; std 22,48(5) ; std 23,56(5)
- sync ; icbi 0,2 ; bdnz 0b ; sync ; isync ; mtlr 24 ; blr
-
-/****************************************************************************
- * prints one character to serial console
- *
- * Input:
- * R3 - character
- *
- * Returns: -
- *
- * Modifies Registers:
- * R3, R4, R5, R6, R7
- ****************************************************************************/
-ENTRY(io_putchar)
- mflr r7
-
- SETCI(r0)
-
- # always use serial1
- li 4,0x3f8 ; oris 4,4,0xf400
-
- # print one char
-0: lbz 0,5(4) ; andi. 0,0,0x20 ; beq 0b ; stb 3,0(4) ; eieio
-
- # also print char to serial2 if on a JS21
- # read ID register: only if it is a PC87427 (JS21) also use serial2
- addi 4,4,-0x3f8
- li 5,0x20 ; stb 5,0x2e(4) ; lbz 5,0x2f(4) ; cmpdi 5,0xf2 ; bne 1f
-
- addi 4,4,0x2f8
-0: lbz 0,5(4) ; andi. 0,0,0x20 ; beq 0b ; stb 3,0(4) ; eieio
-
-1: CLRCI(r0)
-
- mtlr r7
- blr
diff --git a/qemu/roms/SLOF/board-js2x/llfw/hw.c b/qemu/roms/SLOF/board-js2x/llfw/hw.c
deleted file mode 100644
index e01b583b1..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/hw.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <cpu.h>
-#include <stdint.h>
-#include <hw.h>
-
-uint16_t
-bswap16_load(uint64_t addr)
-{
- unsigned int val;
- set_ci();
- asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr));
- clr_ci();
- return val;
-}
-
-uint32_t
-bswap32_load(uint64_t addr)
-{
- unsigned int val;
- set_ci();
- asm volatile ("lwbrx %0, 0, %1":"=r" (val):"r"(addr));
- clr_ci();
- return val;
-}
-
-void
-bswap16_store(uint64_t addr, uint16_t val)
-{
- set_ci();
- asm volatile ("sthbrx %0, 0, %1"::"r" (val), "r"(addr));
- clr_ci();
-}
-
-void
-bswap32_store(uint64_t addr, uint32_t val)
-{
- set_ci();
- asm volatile ("stwbrx %0, 0, %1"::"r" (val), "r"(addr));
- clr_ci();
-}
-
-uint8_t
-load8_ci(uint64_t addr)
-{
- uint8_t val;
- set_ci();
- val = *(uint8_t *) addr;
- clr_ci();
- return val;
-}
-
-uint16_t
-load16_ci(uint64_t addr)
-{
- uint16_t val;
- set_ci();
- val = *(uint16_t *) addr;
- clr_ci();
- return val;
-}
-
-uint32_t
-load32_ci(uint64_t addr)
-{
- uint32_t val;
- set_ci();
- val = *(uint32_t *) addr;
- clr_ci();
- return val;
-}
-
-uint64_t
-load64_ci(uint64_t addr)
-{
- uint64_t val;
- set_ci();
- val = *(uint64_t *) addr;
- clr_ci();
- return val;
-}
-
-
-void
-store8_ci(uint64_t addr, uint8_t val)
-{
- set_ci();
- *(uint8_t *) addr = val;
- clr_ci();
-}
-
-void
-store16_ci(uint64_t addr, uint16_t val)
-{
- set_ci();
- *(uint16_t *) addr = val;
- clr_ci();
-}
-
-void
-store32_ci(uint64_t addr, uint32_t val)
-{
- set_ci();
- *(uint32_t *) addr = val;
- clr_ci();
-}
-
-void
-store64_ci(uint64_t addr, uint64_t val)
-{
- set_ci();
- *(uint64_t *) addr = val;
- clr_ci();
-}
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage2.c b/qemu/roms/SLOF/board-js2x/llfw/stage2.c
deleted file mode 100644
index d05a49493..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage2.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include <stdint.h>
-#include <xvect.h>
-#include <hw.h>
-#include <stdio.h>
-#include <romfs.h>
-#include "memmap.h"
-#include "stage2.h"
-#include <termctrl.h>
-#include "product.h"
-#include "calculatecrc.h"
-#include <cpu.h>
-#include <libelf.h>
-#include <string.h>
-
-uint64_t uart;
-uint64_t gVecNum;
-uint8_t u4Flag;
-
-uint64_t exception_stack_frame;
-
-typedef void (*pInterruptFunc_t) (void);
-
-pInterruptFunc_t vectorTable[0x2E << 1];
-
-extern void proceedInterrupt(void);
-
-/* Prototypes for functions in this file: */
-void c_interrupt(uint64_t vecNum);
-void set_exceptionVector(int num, void *func);
-int io_getchar(char *ch);
-void early_c_entry(uint64_t start_addr);
-
-
-static void
-exception_forward(void)
-{
- uint64_t val;
-
- if (*(uint64_t *) XVECT_M_HANDLER) {
- proceedInterrupt();
- }
-
- printf("\r\n exception %llx ", gVecNum);
- asm volatile ("mfsrr0 %0":"=r" (val):);
- printf("\r\nSRR0 = %08llx%08llx ", val >> 32, val);
- asm volatile ("mfsrr1 %0":"=r" (val):);
- printf(" SRR1 = %08llx%08llx ", val >> 32, val);
-
- asm volatile ("mfsprg %0,2":"=r" (val):);
- printf("\r\nSPRG2 = %08llx%08llx ", val >> 32, val);
- asm volatile ("mfsprg %0,3":"=r" (val):);
- printf(" SPRG3 = %08llx%08llx \r\n", val >> 32, val);
- while (1);
-}
-
-void
-c_interrupt(uint64_t vecNum)
-{
- gVecNum = vecNum;
- if (vectorTable[vecNum >> 7]) {
- vectorTable[vecNum >> 7] ();
- } else {
- exception_forward();
- }
-}
-
-void
-set_exceptionVector(int num, void *func)
-{
- vectorTable[num >> 7] = (pInterruptFunc_t) func;
-}
-
-static void
-io_init(void)
-{
- // read ID register: only if it is a PC87427, enable serial2
- store8_ci(0xf400002e, 0x20);
- if (load8_ci(0xf400002f) != 0xf2) {
- uart = 0xf40003f8;
- u4Flag = 0;
- } else {
- uart = 0xf40002f8;
- u4Flag = 1;
- }
-}
-
-int
-io_getchar(char *ch)
-{
- int retVal = 0;
- if ((load8_ci(uart + 5) & 0x01)) {
- *ch = load8_ci(uart);
- retVal = 1;
- }
- return retVal;
-}
-
-
-void copy_from_flash(uint64_t cnt, uint64_t src, uint64_t dest);
-
-const uint32_t CrcTableHigh[16] = {
- 0x00000000, 0x4C11DB70, 0x9823B6E0, 0xD4326D90,
- 0x34867077, 0x7897AB07, 0xACA5C697, 0xE0B41DE7,
- 0x690CE0EE, 0x251D3B9E, 0xF12F560E, 0xBD3E8D7E,
- 0x5D8A9099, 0x119B4BE9, 0xC5A92679, 0x89B8FD09
-};
-const uint32_t CrcTableLow[16] = {
- 0x00000000, 0x04C11DB7, 0x09823B6E, 0x0D4326D9,
- 0x130476DC, 0x17C56B6B, 0x1A864DB2, 0x1E475005,
- 0x2608EDB8, 0x22C9F00F, 0x2F8AD6D6, 0x2B4BCB61,
- 0x350C9B64, 0x31CD86D3, 0x3C8EA00A, 0x384FBDBD
-};
-
-static unsigned long
-check_flash_image(unsigned long rombase, unsigned long length,
- unsigned long start_crc)
-{
-
- uint32_t AccumCRC = start_crc;
- char val;
- uint32_t Temp;
- while (length-- > 0) {
- val = load8_ci(rombase++);
- Temp = ((AccumCRC >> 24) ^ val) & 0x000000ff;
- AccumCRC <<= 8;
- AccumCRC ^= CrcTableHigh[Temp / 16];
- AccumCRC ^= CrcTableLow[Temp % 16];
- }
-
- return AccumCRC;
-}
-
-static void
-load_file(uint64_t destAddr, char *name, uint64_t maxSize, uint64_t romfs_base)
-{
- uint64_t *src, *dest, cnt;
- struct romfs_lookup_t fileInfo;
- c_romfs_lookup(name, romfs_base, &fileInfo);
- if (maxSize) {
- cnt = maxSize / 8;
- } else {
- cnt = (fileInfo.size_data + 7) / 8;
- }
- dest = (uint64_t *) destAddr;
- src = (uint64_t *) fileInfo.addr_data;
- while (cnt--) {
- store64_ci((uint64_t) dest, *src);
- dest++;
- src++;
- }
- flush_cache((void *) destAddr, fileInfo.size_data);
-}
-
-/***************************************************************************
- * Function: early_c_entry
- * Input : start_addr
- *
- * Description:
- **************************************************************************/
-void
-early_c_entry(uint64_t start_addr)
-{
- struct romfs_lookup_t fileInfo;
- uint32_t crc;
- void (*ofw_start) (uint64_t, uint64_t, uint64_t, uint64_t, uint64_t);
- uint64_t *boot_info;
- exception_stack_frame = 0;
- /* destination for the flash image; we copy it to RAM
- * because from flash it is much too slow
- * the flash is copied at 224MB - 4MB (max flash size)
- * at 224MB starts SLOF
- * at 256MB is the SLOF load-base */
- uint64_t romfs_base = 0xe000000 - 0x400000;
- // romfs header values
- struct stH *header = (struct stH *) (start_addr + 0x28);
- //since we cannot read the fh_magic directly from flash as a string, we need to copy it to memory
- uint64_t magic_val = 0;
- uint64_t startVal = 0;
- uint64_t flashlen = 0;
- unsigned long ofw_addr;
-
- io_init();
-
- flashlen = load64_ci((uint64_t) (&header->flashlen));
-
- //copy fh_magic to magic_val since, we cannot use it as a string from flash
- magic_val = load64_ci((uint64_t) (header->magic));
-
- printf(" Check ROM = ");
- if (strncmp((char *) &magic_val, FLASHFS_MAGIC, 8) == 0) {
- // somehow, the first 8 bytes in flashfs are overwritten, if booting from drone...
- // so if we find "IMG1" in the first 4 bytes, we skip the CRC check...
- startVal = load64_ci((uint64_t) start_addr);
- if (strncmp((char *) &startVal, "IMG1", 4) == 0) {
- printf
- ("start from RAM detected, skipping CRC check!\r\n");
- // for romfs accesses (c_romfs_lookup) to work, we must fix the first uint64_t to the value we expect...
- store64_ci((uint64_t) start_addr, 0xd8);
- } else {
- //checking CRC in flash, we must use cache_inhibit
- // since the crc is included as the last 32 bits in the image, the resulting crc should be 0
- crc =
- check_flash_image((uint64_t) start_addr,
- load64_ci((uint64_t)
- (&header->flashlen)),
- 0);
- if (crc == 0) {
- printf("OK\r\n");
- } else {
- printf("failed!\r\n");
- while (1);
- }
- }
- } else {
- printf
- ("failed (magic string is \"%.8s\" should be \"%.8s\")\r\n",
- (char *) &magic_val, FLASHFS_MAGIC);
- while (1);
- }
-
- printf(" Press \"s\" to enter Open Firmware.\r\n\r\n");
-
- if ((start_addr > 0xF0000000) && u4Flag)
- u4memInit();
-
- /* here we have real ram avail -> hopefully
- * copy flash to ram; size is in 64 byte blocks */
- flashlen /= 64;
- /* align it a bit */
- flashlen += 7;
- flashlen &= ~7;
- copy_from_flash(flashlen, start_addr, romfs_base);
- /* takeover sometimes fails if the image running on the system
- * has a different size; flushing the cache helps, because it is
- * the right thing to do anyway */
- flush_cache((void *) romfs_base, flashlen * 64);
-
- c_romfs_lookup("bootinfo", romfs_base, &fileInfo);
- boot_info = (uint64_t *) fileInfo.addr_data;
- boot_info[1] = start_addr;
- load_file(0x100, "xvect", 0, romfs_base);
- load_file(SLAVELOOP_LOADBASE, "stageS", 0, romfs_base);
- c_romfs_lookup("ofw_main", romfs_base, &fileInfo);
-
- elf_load_file((void *) fileInfo.addr_data, &ofw_addr,
- NULL, flush_cache);
- ofw_start =
- (void (*)(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t))
- &ofw_addr;
- // re-enable the cursor
- printf("%s%s", TERM_CTRL_RESET, TERM_CTRL_CRSON);
- /* ePAPR 0.5
- * r3 = R3 Effective address of the device tree image. Note: this
- * address must be 8-byte aligned in memory.
- * r4 = implementation dependent
- * r5 = 0
- * r6 = 0x65504150 -- ePAPR magic value-to distinguish from
- * non-ePAPR-compliant firmware
- * r7 = implementation dependent
- */
- asm volatile("isync; sync;" : : : "memory");
- ofw_start(0, romfs_base, 0, 0, 0);
- // never return
-}
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage2.h b/qemu/roms/SLOF/board-js2x/llfw/stage2.h
deleted file mode 100644
index 9ce3c8203..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage2.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef __STAGE2_H
-#define __STAGE2_H
-
-#ifndef __ASSEMBLER__
-
-#include <stddef.h>
-
-void u4memInit(void);
-
-#endif /* __ASSEMBLER__ */
-#endif /* __STAGE2_H */
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage2.lds b/qemu/roms/SLOF/board-js2x/llfw/stage2.lds
deleted file mode 100644
index e6315c3c8..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage2.lds
+++ /dev/null
@@ -1,57 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc")
-OUTPUT_ARCH(powerpc:common64)
-
-/* set the entry point */
-ENTRY ( __start )
-
-SECTIONS {
- .text : {
- *(.text)
- }
-
- . = ALIGN(8);
-
- .data : {
- *(.data)
- *(.rodata .rodata.*)
- *(.got1)
- *(.sdata)
- *(.opd)
- }
-
- /* FIXME bss at end ??? */
-
- . = ALIGN(8);
- __bss_start = .;
- .bss : {
- *(.sbss) *(.scommon)
- *(.dynbss)
- *(.bss)
- }
-
- . = ALIGN(8);
- __bss_end = .;
- __bss_size = (__bss_end - __bss_start);
-
- . = ALIGN(256);
- __toc_start = DEFINED (.TOC.) ? .TOC. : ADDR (.got) + 0x8000;
- .got :
- {
- *(.toc .got)
- }
- . = ALIGN(8);
- __toc_end = .;
- __stack_end = . ;
-}
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage2_head.S b/qemu/roms/SLOF/board-js2x/llfw/stage2_head.S
deleted file mode 100644
index f3f5e0c8c..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage2_head.S
+++ /dev/null
@@ -1,89 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#include "macros.h"
-#include "../../llfw/boot_abort.h"
-
-/*#################### defines #####################*/
-#define STACK_SIZE 0x4000
-
-/*#################### code ########################*/
- .text
- .globl .gluon_c_entry
- .globl __toc_start
- .globl __toc_end
- .globl __stack_end
- .globl __bss_start
- .globl __bss_size
- .globl __start
-
-ASM_ENTRY(__startC)
- /* clear out bss section */
- LOAD64(r3, (__bss_start - 8))
- LOAD64(r4, __bss_size)
-
- /* divide __bss_size by 8 to get number */
- /* of dwords to clear */
- srwi. r4, r4, 3
- beq bsscdone
- li r5, 0
- mtctr r4
-bssc: stdu r5, 8(r3)
- bdnz bssc
-bsscdone:
- /* setup stack */
- LOAD64(r1, __stack_end + STACK_SIZE)
-
- /* save return address beside stack */
- addi r3, r1, 128
- mflr r0
- std r0, 0(r3)
-
- /* setup toc */
- bl toc_init
-
- /* ------------------------------------ */
- /* jump to c-code */
- /* r10 = cpu_init_slave address - r3 */
- /* r11 = slave_setup address - r4 */
- /* ------------------------------------ */
- mr r3, r10
- mr r4, r11
- bl .early_c_entry
-
- /* return to caller... */
- LOAD64(r1, __stack_end + STACK_SIZE)
- addi r1, r1, 128
- ld r3, 0(r1)
- mtlr r3
- blr
-
- /* #################################### */
- /* Basic Additional Functions */
- /* for extended lib functions see */
- /* external library */
- /* #################################### */
- .align 2
-
- /* ------------------------------------ */
- /* updates toc in r2 */
- /* ------------------------------------ */
-ASM_ENTRY(toc_init)
- LOAD64(r2, __toc_start)
- blr
-
- /* ------------------------------------ */
- /* stores arg#1 in r27 and stops */
- /* ------------------------------------ */
-ENTRY(do_panic)
-ENTRY(halt_sys)
- BOOT_ABORT_R3HINT(ABORT_CANIO, ALTBOOT, msg_e_ierror);
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage_s.S b/qemu/roms/SLOF/board-js2x/llfw/stage_s.S
deleted file mode 100644
index 202350f67..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage_s.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
- .text
- .org 0 /* after loading to mem this is at slaveloop_base */
-# . = 0x3f00 loaded to this addr
- .globl __stage_s_entry
-
-__stage_s_entry:
- bl $+4
- mflr r4
- li r3, 0xff
- not r3, r3
- and r4, r4, r3
- li 0,1 ; std 0,0xf8(4)
- li 0,0 ; std 0,0xa0(4)
-slaveloop:
- ori 28,28,0x100
- lis 0,10
- mtctr 0
- bdnz $ # do some waiting, to prevent flooding the buses
- lwz 0,0xa0(4)
- cmpw 0,28
- bne $-20 # wait for our flag
-
- lwz 0,0x80(4)
- lwz 3,0xc0(4)
- mtctr 0
- bctr # jump to specified address, with specified GPR3
-
-# .quad 0
-# .quad 0
-
-
-
diff --git a/qemu/roms/SLOF/board-js2x/llfw/stage_s.lds b/qemu/roms/SLOF/board-js2x/llfw/stage_s.lds
deleted file mode 100644
index 200c1b33e..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/stage_s.lds
+++ /dev/null
@@ -1,22 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc")
-OUTPUT_ARCH(powerpc:common64)
-
-ENTRY( __stage_s_entry )
-
-SECTIONS {
- .text : {
- *(.text)
- }
-}
diff --git a/qemu/roms/SLOF/board-js2x/llfw/startup.S b/qemu/roms/SLOF/board-js2x/llfw/startup.S
deleted file mode 100644
index 1357d3fd7..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/startup.S
+++ /dev/null
@@ -1,708 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-# SLOF for JS20/JS21 -- ROM boot code.
-# Initial entry point, copy code from flash to cache, memory setup.
-# Also sets up serial console and optimizes some settings.
-
-#include "termctrl.h"
-#include <product.h>
-#include <xvect.h>
-#include <cpu.h>
-#include <macros.h>
-#include <southbridge.h>
-
- .text
- .globl __start
-__start:
- /* put rombase in sprg1 ***********************/
-
- bl postHeader
- .long 0xDEADBEE0
- .long 0x0 /* size */
- .long 0x0 /* crc */
- .long relTag - __start
-postHeader:
- mflr r3
- li r4, 0x7fff
- not r4, r4
- and r3, r3, r4
- mtsprg 1, r3 /* romfs base */
- bl _start
-
- .org 0x150 - 0x100
-__startSlave:
- bl setup_cpu
- bl set_ci_bit
-# b slaveWithNumber
- b slave
-
- .org 0x180 - 0x100
-__startMaster:
- li 3,0
- mtsprg 1, r3 /* romfs base */
- bl setup_cpu
- bl set_ci_bit
- b master
-
-
- /* FIXME: Also need 0280, 0380, 0f20, etc. */
-
- .irp i, 0x0100,0x0180,0x0200,0x0280,0x0300,0x0380,0x0400,0x0500,0x0600,0x0700, \
- 0x0800,0x0900,0x0a00,0x0b00,0x0c00,0x0d00,0x0e00,0x0f00, \
- 0x1000,0x1100,0x1200,0x1300,0x1400,0x1500,0x1600,0x1700, \
- 0x1800,0x1900,0x1a00,0x1b00,0x1c00,0x1d00,0x1e00,0x1f00, \
- 0x2000,0x2100,0x2200,0x2300,0x2400,0x2500,0x2600,0x2700, \
- 0x2800,0x2900,0x2a00,0x2b00,0x2c00,0x2d00,0x2e00
- . = \i
-
- /* enable this if you get exceptions before the console works */
- /* this will allow using the hardware debugger to see where */
- /* it traps, and with what register values etc. */
- // b $
-
- mtsprg 0, r0
- mfctr r0
- mtsprg 2,r0
- mflr r0
-// 10
- mtsprg 3,r0
- ld r0, (\i + 0x160)(0)
- mtctr r0
- li r0, \i + 0x100
-// 20
- bctr
-
- . = \i + 0x60
-
- .quad intHandler2C
-
- .endr
-
-
- . = XVECT_M_HANDLER - 0x100
- .quad 0x00
- . = XVECT_S_HANDLER - 0x100
-
- .quad 0
-
-
-
- .org 0x4000 - 0x100
-_start:
- # optimize HID register settings
- bl setup_cpu
- bl set_ci_bit
-
- # read semaphore, run as slave if not the first to do so
- li 3,0 ; oris 3,3,0xf800 ; lwz 3,0x60(3) ; andi. 3,3,1 ; beq slave
-master:
- # setup flash, serial
- bl setup_sio
-
- # early greet
- li r3, 10
- bl putc
- li 3,13 ; bl putc ; li 3,10 ; bl putc ; li 3,'S' ; bl putc
-
-
- #do we run from ram ?
- mfsprg r3, 1 /* rombase */
- cmpdi r3,0 /* rombase is 0 when running from RAM */
-
- bne copy_to_cache
-
- # wait a bit, start scripts are slow... need to get all cores running!
- lis 3,0x4000 ; mtctr 3 ; bdnz $
-
- # copy 4MB from 0 to temp memory
- lis 4,0x8 ; mtctr 4 ; lis 4,0x200 ; li 3,0 ; addi 4,4,-8 ; addi 3,3,-8
-0: ldu 5,8(3) ; stdu 5,8(4) ; bdnz 0b
-
- lis 4,0x200
- mtsprg 1, r4
-
- lis 4,0x1
- lis 3,0x20 ; addi 3,3,0x200-8 ;
- FLUSH_CACHE(r3, r4)
-
- lis 4,0x200
- addi 4,4,copy_to_cache@l
- mtctr 4
- bctr
-
-# make all data accesses cache-inhibited
-set_ci_bit:
- SETCI(r0)
- blr
-
-# make all data accesses cacheable
-clr_ci_bit:
- CLRCI(r0)
- blr
-
-# write a character to the serial port
-putc:
-# always write to serial1
-0: lbz 0,5(13) ; andi. 0,0,0x20 ; beq 0b ; stb 3,0(13) ; eieio
-
-# read ID register: only if it is a PC87427 (JS21) also use serial2
- li 4,0 ; oris 4,4,0xf400
- li 5,0x20 ; stb 5,0x2e(4) ; lbz 5,0x2f(4); cmpdi 5,0xf2 ; bne 1f
-
- addi 4,4,0x2f8
-0: lbz 0,5(4) ; andi. 0,0,0x20 ; beq 0b ; stb 3,0(4) ; eieio
-
-1: blr
-
-# transfer from running from flash to running from cache
-return_cacheable:
- # find and set address to start running from cache, set msr value
- mflr 3 ; rldicl 3,3,0,44
-jump_cacheable:
- mtsrr0 3 ;
- mfmsr 3 ; ori 3,3,0x1000 ; mtsrr1 3 # enable MCE, as well
-
- # set cacheable insn fetches, jump to cache
- mfspr 3,HID1 ; rldicl 3,3,32,0 ; oris 3,3,0x0020 ; rldicl 3,3,32,0
- sync ; mtspr HID1,3 ; mtspr HID1,3 ; rfid ; b .
-
-
-
-
-copy_to_cache:
- # zero the whole cache
- # also, invalidate the insn cache, to clear parity errors
- # 128kB @ 0MB (boot code and vectors from 0x0 up to 0x20000)
- li 4,0x400 ; mtctr 4 ; li 5,0x0 ; bl clr_ci_bit
-0: dcbz 0,5 ; sync ; icbi 0,5 ; sync ; isync ; addi 5,5,0x80 ; bdnz 0b
-
- # 0x2000 to 0x100000/0x80000 (smaller on 970/970FX)
- li 4,0x1C00 ; mfpvr 0 ; srdi 0,0,16 ; cmpdi 0,0x0044 ; bge 0f ; li 4,0xC00
-0:
- mtctr 4 ; li 5,0x2000
-0: dcbz 0,5 ; sync ; isync ; addi 5,5,0x80 ; bdnz 0b ; bl set_ci_bit
-
- # find base address
- bcl 20,31,$+4 ; mflr 31 ; rldicr 31,31,0,43
-
- # copy 1kB from 0x4000
- li 4,0x80 ; mtctr 4 ;
- li 5,0x3ff8
- addi 3,31,0x3ff8
-0: ldu 4,8(3) ; bl clr_ci_bit ; stdu 4,8(5) ; bl set_ci_bit ; bdnz 0b
- # now start executing from cache -- insn cache is huge speed boost
-
- bl return_cacheable
-
- li 3,'L' ; bl putc
-
- # copy 128kB of flash to cache
- li 4,0x800 ; mtctr 4 ; li 5,0x200-64 ; addi 3,31,0x200-64 ;
-0: ldu 16,64(3) ; ld 17,8(3) ; ld 18,16(3) ; ld 19,24(3)
- ld 20,32(3) ; ld 21,40(3) ; ld 22,48(3) ; ld 23,56(3)
- bl clr_ci_bit
- stdu 16,64(5) ; std 17,8(5) ; std 18,16(5) ; std 19,24(5)
- std 20,32(5) ; std 21,40(5) ; std 22,48(5) ; std 23,56(5)
- icbi 0,5 ; bl set_ci_bit ; bdnz 0b ; isync
-
-
- li 3,'O' ; bl putc
-
- lis 4,0x20
- mfsprg r3,1
- cmpd r3,r4
- beq 1f
-
- // at 0xf8000000 we decide if it is u3 or u4
- li 4,0 ; oris 4,4,0xf800 ; lwz 3,0(4) ; srdi 3,3,4 ; cmpdi 3,3 ; bne 0f
- bl setup_mem_u3
- bl setup_mem_size
- b 1f
-0:
-
-1:
- li 3,'F' ; bl putc
-
- # setup nvram logging only when not running from RAM
- mfsprg r3, 1 /* rombase */
- cmpdi r3, 0 /* rombase is 0 when running from RAM */
- beq 0f
-
- // at 0xf8000000 we decide if it is u3 or u4
- li r4, 0
- oris r4, r4, 0xf800
- lwz r3, 0(r4)
- srdi r3, r3, 4
- cmpdi r3, 3 /* 3 means js20; no nvram logging on js20 */
- beq 0f
-
- bl io_log_init
-0:
-
- #bl print_mem
-
- # data is cacheable by default from now on
- bl clr_ci_bit
-
-
- /* give live sign *****************************/
- bl 0f
- .ascii TERM_CTRL_RESET
- .ascii TERM_CTRL_CRSOFF
- .ascii " **********************************************************************"
- .ascii "\r\n"
- .ascii TERM_CTRL_BRIGHT
- .ascii PRODUCT_NAME
- .ascii " Starting\r\n"
- .ascii TERM_CTRL_RESET
- .ascii " Build Date = ", __DATE__, " ", __TIME__
- .ascii "\r\n"
- .ascii " FW Version = " , RELEASE
- .ascii "\r\n\0"
- .align 2
-0: mflr r3
- bl io_print
-
- # go!
- li r3,__startC@l
- mtctr r3
- mfsprg r10, 1
- bctrl
-
-relTag:
- .ascii RELEASE
- .ascii "\0"
- .align 2
-
-slave:
-
- # get cpu number
- li 3,0 ; oris 3,3,0xf800 ; lwz 28,0x50(3)
-
-slaveWithNumber:
- # create our slave loop address
- sldi 3,28,24 ; oris 3,3,0x3000
-
- # invalidate the insn cache, to clear parity errors
- # clear the L2 cache as well, to get ECC right
- li 4,0x2000 ; mfpvr 0 ; srdi 0,0,16 ; cmpdi 0,0x0044 ; bge 0f ; li 4,0x1000
-0: mtctr 4 ; mr 5,3 ; bl clr_ci_bit
-
-0: dcbz 0,5 ; sync ; icbi 0,5 ; sync ; isync ; addi 5,5,0x80 ; bdnz 0b
-
-
- # write a "b $" insn in there
- lis 4,0x4800 ; stw 4,0(3)
-/*
- mr 5,3
-
- # jump there
- bl set_ci_bit
- li 13,0 ; oris 13,13,0xf400
- # device address
- addi 13,13,0x2f8
- li 3,'O' ; add 3,3,28 ; bl putc
- bl clr_ci_bit
- mr 3,5
-*/
- b jump_cacheable
-
-
-
-
-# allow the flash chip to be accessed faster
-# initialize the 16550-compatible uart on serial port 1 of the sio
-setup_sio:
-
- # i/o base address
- li 3,0 ; oris 3,3,0xf400
-
- # i/o base address
- li 3,0 ; oris 3,3,0xf400
-
- # put x-bus in turbo mode
- li 4,0xf1 ; stb 4,0x400(3) ; eieio
-
-
- # select sio serial1
- li 4,7 ; stb 4,0x2e(3) ; eieio ; li 4,3 ; stb 4,0x2f(3) ; eieio
-
- # set base address to 3f8
- li 4,0x60 ; stb 4,0x2e(3) ; eieio ; li 4,3 ; stb 4,0x2f(3) ; eieio
-
- # enable device
- li 4,0x30 ; stb 4,0x2e(3) ; eieio ; li 4,1 ; stb 4,0x2f(3) ; eieio
-
- # read ID register: only if it is a PC87427, enable serial2
- li 4,0x20 ; stb 4,0x2e(3) ; eieio ; lbz 4,0x2f(3) ; cmpdi 4,0xf2 ; bne 0f
-
- # select sio serial2
- li 4,7 ; stb 4,0x2e(3) ; eieio ; li 4,2 ; stb 4,0x2f(3) ; eieio
-
- # set base address to 2f8
- li 4,0x60 ; stb 4,0x2e(3) ; eieio ; li 4,2 ; stb 4,0x2f(3) ; eieio
-
- # enable device
- li 4,0x30 ; stb 4,0x2e(3) ; eieio ; li 4,1 ; stb 4,0x2f(3) ; eieio
-
- # uart @0x2f8
- addi 3,3,0x2f8
-
- # disable interrupts, fifo off
- li 4,0 ; stb 4,1(3) ; eieio ; stb 4,2(3) ; eieio
-
- # set serial speed
- li 4,0x80 ; stb 4,3(3) ; eieio
- li 4,115200/19200 ; stb 4,0(3) ; eieio ; li 4,0 ; stb 4,1(3) ; eieio
-
- # set 8-N-1, set RTS and DTR
- li 4,3 ; stb 4,3(3) ; eieio ; stb 4,4(3) ; eieio
-
- eieio
-
- addi 3,3,-0x2f8
-
- # uart @0x3f8
-0: addi 3,3,0x3f8
-
- # disable interrupts, fifo off
- li 4,0 ; stb 4,1(3) ; eieio ; stb 4,2(3) ; eieio
-
- # set serial speed
- li 4,0x80 ; stb 4,3(3) ; eieio
- li 4,115200/19200 ; stb 4,0(3) ; eieio ; li 4,0 ; stb 4,1(3) ; eieio
-
- # set 8-N-1, set RTS and DTR
- li 4,3 ; stb 4,3(3) ; eieio ; stb 4,4(3) ; eieio
-
- eieio
-
- # save UART base for putc routine
-0: mr 13,3
-
- blr
-
-
-
-
-# set the HID registers of the 970 for optimally executing from flash
-setup_cpu:
-
- /* clear all the HV cruft */
- li r0, 0
- sync
- mtspr HID4, r0
- isync
-
- /* enable dpm, disable attn insn, enable external mce
- * first, try external time base; if clock doesn't run, switch to
- * internal */
- li r0, 1 /* do the setup for external timebase */
- rldicl r0, r0, 44, 0 /* bit 19 has to be set */
- oris r0, r0, 0x8000 /* Enable external machine check */
- /* interrupts (preferred state */
- /* equals `1'). */
- sync
- mtspr HID0, r0
- isync
-
- mftb r3 /* read the timebase */
- li r1, 0x4000 /* wait long enough for the external */
- mtctr r1 /* timebase (14MHz) to tick a bit */
- bdnz $ /* 0x4000 seems to be enough (for now) */
- mftb r4 /* read the timebase a second time */
- cmpld r3, r4 /* see if it changed */
- bne 0f
- /* timebase did not change, do the setup for internal */
- rldicl r0, r0, 19, 1
- rldicl r0, r0, 45, 0
- sync
- mtspr HID0, r0
- isync
-
-0:
- /* enable insn prefetch, speculative table walks */
- mfspr r0, HID1
- rldicl r0, r0, 20, 0
- ori r0, r0, 0x1002
- mfsprg r3, 1 /* read rombase */
- cmpdi r3, 0 /* check if running from ram */
- bne 0f
- /* running from ram */
- /* Enable instruction fetch cacheability control */
- ori r0, r0, 0x200
-0:
- rldicl r0, r0, 44, 0
- sync
- mtspr HID1, r0
- isync
-
- /* enable cache parity */
- mfspr r0, HID4
- oris r0, r0, 0xfff0
- xoris r0, r0, 0xfff0
- sync
- mtspr HID4, r0
- isync
-
- /* exception offset at 0 */
- li r3, 0
- mtspr HIOR, r3
-
- blr
-
-C_ENTRY(proceedInterrupt)
-
- ld r3,exception_stack_frame@got(r2)
- ld r1,0(r3)
-
- .irp i, 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, \
- 27, 28, 29, 30, 31
- ld r\i, 0x30+\i*8 (r1)
- .endr
-
- ld r14,0x138(r1);
- mtsrr0 r14
-
- ld r14,0x140(r1);
- mtsrr1 r14
-
- ld r14,0x148(r1);
- mtcr r14
-
-
- ld 0,XVECT_M_HANDLER(0)
- mtctr 0
-
- ld r0,0x30(r1); # restore vector number
- ld r1,0x38(r1);
-
- bctr
-
-intHandler2C:
- mtctr r1 # save old stack pointer
- lis r1,0x4
- stdu r1, -0x160(r1)
- .irp i, 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, \
- 27, 28, 29, 30, 31
- std r\i, 0x30+\i*8 (r1)
- .endr
-
- std r0,0x30(r1); # save vector number
-
- mfctr r14
- std r14,0x38(r1); # save old r1
-
- mfsrr0 r14
- std r14,0x138(r1);
-
- mfsrr1 r14
- std r14,0x140(r1);
-
- mfcr r14
- std r14,0x148(r1);
-
- mfxer r14
- std r14,0x150(r1);
-
- bl toc_init
-
- ld r3,exception_stack_frame@got(r2)
- std r1,0(r3)
-
-
- mr r3,r0
- bl .c_interrupt
-
- ld r14,0x138(r1);
- mtsrr0 r14
-
- ld r14,0x140(r1);
- mtsrr1 r14
-
- ld r14,0x148(r1);
- mtcr r14
-
- ld r14,0x150(r1);
- mtxer r14
-
-
- .irp i, 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, \
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, \
- 27, 28, 29, 30, 31
- ld r\i, 0x30+\i*8 (r1)
- .endr
-
- ld r1,0x38(r1);
-
- mfsprg r0,2
- mtctr r0
- mfsprg r0,3
- mtlr r0
- mfsprg r0,0
- rfid
-
-/* Set exception handler for given exception vector.
- r3: exception vector offset
- r4: exception handler
-*/
- .globl .set_exception
-.set_exception:
- .globl set_exception
-set_exception:
- ld r4,0x0(r4)
- .globl .set_exception_asm
-.set_exception_asm:
- .globl set_exception_asm
-set_exception_asm:
- std r4, 0x60(r3) # fixme diff 1f - 0b
- blr
-
-
-setup_mem_u3:
- li 4,0x2000 ; oris 4,4,0xf800
-
- # MemTimingParam -- CAS lat 2.5 / 4 (read-to-read / read-to-write)
- lis 3,0x49e1 ; ori 3,3,0xa000 ; stw 3,0x50(4)
-
- # MRSRegCntl -- CAS lat 2.5
- li 3,0x6a ; stw 3,0xf0(4)
-
- # MemBusConfig -- 128 bit bus
- lis 3,0x8500 ; stw 3,0x190(4)
-
- # CKDelAdj -- clock delay 75
- lis 3,0x12c3 ; ori 3,3,0x30cc ; stw 3,0x520(4)
-
- # IOModeCntl -- no termination on differential and 3-state drivers
- lis 3,0x0350 ; stw 3,0x530(4)
-
- li 3,18 ; mtctr 3 ; addi 5,4,0x5f0
-0: # DQSDelAdj -- read delay offset -10
- lis 3,0x3d8f ; ori 3,3,0x6000 ; stwu 3,0x10(5)
-
- # DQSDataDelAdj -- write delay offset -32, write data delay offset +15
- lis 3,0x380e ; ori 3,3,0x003c ; stwu 3,0x10(5)
- bdnz 0b
-
- # MemProgCntl -- set all
- lis 3,0xc000 ; stw 3,0xe0(4)
-
- eieio
-
- blr
-
-
-# read dimm SPDs, program memory size and type
-setup_mem_size:
- mflr 14
-
- li 15,0 ; oris 15,15,0xf800 ; li 17,0
- li 3,0xa0 ; li 4,3 ; li 5,3 ; bl i2c_read
- mr 16,4 ; cmpdi 3,0 ; beq 0f ; li 16,0
-0: li 3,0xa2 ; li 4,3 ; li 5,3 ; bl i2c_read
- cmpd 16,4 ; bne 0f ; cmpdi 3,0 ; beq 1f
-0: li 16,0x1e00
-1: #li 3,0xd ; bl print_byte ; li 3,0xa ; bl print_byte
- #mr 3,16 ; bl print_hex
-
- #li 3,0x20 ; bl print_byte
- sldi 3,16,7 ; add 3,3,16 ; rlwinm 3,3,10,0,6 ; subis 3,3,0x3c00
- stw 3,0x21c0(15) ; andi. 0,16,2 ; beq 0f ; stw 3,0x21e0(15)
-0: #bl print_hex
- sldi 3,16,8 ; add 3,3,16 ; rldicl 3,3,48,56 ; li 0,8 ; slw 3,0,3
- # slw, not sld, so that empty/bad banks translate into size 0
- stw 17,0x21d0(15) ; bl add17173 ; stw 17,0x21f0(15)
- andi. 0,16,2 ; beq 0f ; bl add17173
-0: #bl print_hex
-
- li 3,0xa4 ; li 4,3 ; li 5,3 ; bl i2c_read
- mr 16,4 ; cmpdi 3,0 ; beq 0f ; li 16,0
-0: li 3,0xa6 ; li 4,3 ; li 5,3 ; bl i2c_read
- cmpd 16,4 ; bne 0f ; cmpdi 3,0 ; beq 1f
-0: li 16,0x1e00
-1: #li 3,0xd ; bl print_byte ; li 3,0xa ; bl print_byte
- #mr 3,16 ; bl print_hex
-
- #li 3,0x20 ; bl print_byte
- sldi 3,16,7 ; add 3,3,16 ; rlwinm 3,3,10,0,6 ; subis 3,3,0x3c00
- stw 3,0x2200(15) ; andi. 0,16,2 ; beq 0f ; stw 3,0x2220(15)
-0: #bl print_hex
- sldi 3,16,8 ; add 3,3,16 ; rldicl 3,3,48,56 ; li 0,8 ; slw 3,0,3
- stw 17,0x2210(15) ; bl add17173 ; stw 17,0x2230(15)
- andi. 0,16,2 ; beq 0f ; bl add17173
-0: #bl print_hex
- #mr 3,17 ; bl print_hex
- stw 17,0x2250(15) ; stw 17,0x2270(15)
- stw 17,0x2290(15) ; stw 17,0x22b0(15)
-
- mtlr 14
- blr
-
-
-
-
-# print GPR3 as 8-digit hex. uses GPR18,19
-print_hex:
- mflr 18 ; mr 19,3 ; li 3,8 ; mtctr 3
-1: rlwinm 3,19,4,28,31 ; sldi 19,19,4
- cmpdi 3,0xa ; blt 0f ; addi 3,3,0x27
-0: addi 3,3,0x30 ; bl putc
- bdnz 1b ; mtlr 18 ; blr
-
-
-# i2c stuff uses GPR20..GPR24
-
-# terminate any i2c transaction, at any point during that transaction
-i2c_stop:
-0: lwz 3,0x30(20) ; stw 3,0x30(20) ; andi. 3,3,4 ; beq 0b
- mr 3,21 ; mr 4,22 ; mtlr 24 ; eieio ; blr
-
-# do a combined-mode read
-# in: GPR3 = addr, GPR4 = subaddr, GPR5 = len
-# out: GPR3 = error, GPR4 = result (right-aligned, msb)
-i2c_read:
- mflr 24
- li 20,0x1000 ; oris 20,20,0xf800 # uni-n i2c base
- mr 21,3 ; mr 22,4 ; mr 23,5 # save params
- li 4,0xc ; stw 4,0(20) # set mode (combined)
- ori 4,21,1 ; stw 4,0x50(20) # set addr, read
- stw 22,0x60(20) # set subaddr
- li 4,2 ; stw 4,0x10(20) ; eieio # start address phase
- li 21,1 # error
- li 22,0 # result accumulator
-0: lwz 3,0x30(20) ; andi. 3,3,2 ; beq 0b # wait until sent
- lwz 3,0x20(20) ; andi. 3,3,2 ; beq i2c_stop # check result
- li 4,1 ; cmpdi 23,1 ; bne 0f ; li 4,0
-0: stw 4,0x10(20) # AAK for next byte (or not)
- li 4,2 ; stw 4,0x30(20) ; eieio # ack address phase
-i2c_read_loop:
- lwz 3,0x30(20) ; andi. 3,3,1 ; beq 1f # if byte recv'd:
- subi 23,23,1 ; sldi 22,22,8 # shift byte accum
- lwz 3,0x70(20) ; rlwimi 22,3,0,24,31 # get byte
- cmpdi 23,0 ; bne 0f ; li 21,0 ; b i2c_stop # all done
-0: li 4,1 ; cmpdi 23,1 ; bne 0f ; li 4,0
-0: stw 4,0x10(20) # AAK for next byte (or not)
- li 4,1 ; stw 4,0x30(20) ; eieio # ack data phase
-1: lwz 3,0x30(20) ; andi. 3,3,4 ; beq i2c_read_loop
- li 4,0 ; stw 4,0x10(20) ; eieio ; b i2c_stop # stop bit received
-
-add17173: # add GPR3 into GPR17; if passing 2GB (0x10000000), add another 2GB.
- lis 0,0x1000 ; cmpld 17,0 ; add 17,17,3 ; bgtlr
- cmpld 17,0 ; blelr ; add 17,17,0 ; blr
-
-io_log_init:
- LOAD64(r3, SB_NVRAM_adr)
- b checkinitLog
diff --git a/qemu/roms/SLOF/board-js2x/llfw/u4mem.c b/qemu/roms/SLOF/board-js2x/llfw/u4mem.c
deleted file mode 100644
index 68bba56df..000000000
--- a/qemu/roms/SLOF/board-js2x/llfw/u4mem.c
+++ /dev/null
@@ -1,4065 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-#include <stdint.h>
-#include <hw.h>
-#include <stdio.h>
-#include "stage2.h"
-#include <cpu.h>
-#include <string.h>
-
-/*
- * compiler switches
- *******************************************************************************
- */
-#define U4_DEBUG
-#define U4_INFO
-//#define U4_SHOW_REGS
-
-int io_getchar(char *);
-
-/*
- * version info
- */
-static const uint32_t VER = 2;
-static const uint32_t SUBVER = 1;
-
-/*
- * local macros
- *******************************************************************************
- */
-// bit shifting in Motorola/IBM bit enumeration format (yaks...)
-#define IBIT( nr ) ( (uint32_t) 0x80000000 >> (nr) )
-#define BIT( nr ) ( (uint32_t) 0x1 << (nr) )
-
-/*
- * macros to detect the current board layout
- */
-#define IS_MAUI ( ( load8_ci( 0xf4000682 ) >> 4 ) == 0 )
-#define IS_BIMINI ( ( load8_ci( 0xf4000682 ) >> 4 ) == 1 )
-#define IS_KAUAI ( ( load8_ci( 0xf4000682 ) >> 4 ) == 2 )
-
-/*
- * local constants
- *******************************************************************************
- */
-
-/*
- * u4 base address
- */
-#define U4_BASE_ADDR ((uint64_t) 0xf8000000 )
-#define u4reg( reg ) (U4_BASE_ADDR + (uint64_t) (reg))
-
-/*
- * I2C registers
- */
-#define I2C_MODE_R u4reg(0x1000)
-#define I2C_CTRL_R u4reg(0x1010)
-#define I2C_STAT_R u4reg(0x1020)
-#define I2C_ISR_R u4reg(0x1030)
-#define I2C_ADDR_R u4reg(0x1050)
-#define I2C_SUBA_R u4reg(0x1060)
-#define I2C_DATA_R u4reg(0x1070)
-
-/*
- * clock control registers & needed bits/masks
- */
-#define ClkCntl_R u4reg(0x0800)
-#define PLL2Cntl_R u4reg(0x0860)
-
-/*
- * clock control bits & masks
- */
-#define CLK_DDR_CLK_MSK (IBIT(11) | IBIT(12) | IBIT(13))
-
-/*
- * memory controller registers
- */
-#define RASTimer0_R u4reg(0x2030)
-#define RASTimer1_R u4reg(0x2040)
-#define CASTimer0_R u4reg(0x2050)
-#define CASTimer1_R u4reg(0x2060)
-#define MemRfshCntl_R u4reg(0x2070)
-#define MemProgCntl_R u4reg(0x20b0)
-#define Dm0Cnfg_R u4reg(0x2200)
-#define Dm1Cnfg_R u4reg(0x2210)
-#define Dm2Cnfg_R u4reg(0x2220)
-#define Dm3Cnfg_R u4reg(0x2230)
-#define MemWrQCnfg_R u4reg(0x2270)
-#define MemArbWt_R u4reg(0x2280)
-#define UsrCnfg_R u4reg(0x2290)
-#define MemRdQCnfg_R u4reg(0x22a0)
-#define MemQArb_R u4reg(0x22b0)
-#define MemRWArb_R u4reg(0x22c0)
-#define MemBusCnfg_R u4reg(0x22d0)
-#define MemBusCnfg2_R u4reg(0x22e0)
-#define ODTCntl_R u4reg(0x23a0)
-#define MemModeCntl_R u4reg(0x2500)
-#define MemPhyModeCntl_R u4reg(0x2880)
-#define CKDelayL_R u4reg(0x2890)
-#define CKDelayU_R u4reg(0x28a0)
-#define IOPadCntl_R u4reg(0x29a0)
-#define ByteWrClkDelC0B00_R u4reg(0x2800)
-#define ByteWrClkDelC0B01_R u4reg(0x2810)
-#define ByteWrClkDelC0B02_R u4reg(0x2820)
-#define ByteWrClkDelC0B03_R u4reg(0x2830)
-#define ByteWrClkDelC0B04_R u4reg(0x2900)
-#define ByteWrClkDelC0B05_R u4reg(0x2910)
-#define ByteWrClkDelC0B06_R u4reg(0x2920)
-#define ByteWrClkDelC0B07_R u4reg(0x2930)
-#define ByteWrClkDelC0B16_R u4reg(0x2980)
-#define ByteWrClkDelC0B08_R u4reg(0x2a00)
-#define ByteWrClkDelC0B09_R u4reg(0x2a10)
-#define ByteWrClkDelC0B10_R u4reg(0x2a20)
-#define ByteWrClkDelC0B11_R u4reg(0x2a30)
-#define ByteWrClkDelC0B12_R u4reg(0x2b00)
-#define ByteWrClkDelC0B13_R u4reg(0x2b10)
-#define ByteWrClkDelC0B14_R u4reg(0x2b20)
-#define ByteWrClkDelC0B15_R u4reg(0x2b30)
-#define ByteWrClkDelC0B17_R u4reg(0x2b80)
-#define ReadStrobeDelC0B00_R u4reg(0x2840)
-#define ReadStrobeDelC0B01_R u4reg(0x2850)
-#define ReadStrobeDelC0B02_R u4reg(0x2860)
-#define ReadStrobeDelC0B03_R u4reg(0x2870)
-#define ReadStrobeDelC0B04_R u4reg(0x2940)
-#define ReadStrobeDelC0B05_R u4reg(0x2950)
-#define ReadStrobeDelC0B06_R u4reg(0x2960)
-#define ReadStrobeDelC0B07_R u4reg(0x2970)
-#define ReadStrobeDelC0B16_R u4reg(0x2990)
-#define ReadStrobeDelC0B08_R u4reg(0x2a40)
-#define ReadStrobeDelC0B09_R u4reg(0x2a50)
-#define ReadStrobeDelC0B10_R u4reg(0x2a60)
-#define ReadStrobeDelC0B11_R u4reg(0x2a70)
-#define ReadStrobeDelC0B12_R u4reg(0x2b40)
-#define ReadStrobeDelC0B13_R u4reg(0x2b50)
-#define ReadStrobeDelC0B14_R u4reg(0x2b60)
-#define ReadStrobeDelC0B15_R u4reg(0x2b70)
-#define ReadStrobeDelC0B17_R u4reg(0x2b90)
-#define MemInit00_R u4reg(0x2100)
-#define MemInit01_R u4reg(0x2110)
-#define MemInit02_R u4reg(0x2120)
-#define MemInit03_R u4reg(0x2130)
-#define MemInit04_R u4reg(0x2140)
-#define MemInit05_R u4reg(0x2150)
-#define MemInit06_R u4reg(0x2160)
-#define MemInit07_R u4reg(0x2170)
-#define MemInit08_R u4reg(0x2180)
-#define MemInit09_R u4reg(0x2190)
-#define MemInit10_R u4reg(0x21a0)
-#define MemInit11_R u4reg(0x21b0)
-#define MemInit12_R u4reg(0x21c0)
-#define MemInit13_R u4reg(0x21d0)
-#define MemInit14_R u4reg(0x21e0)
-#define MemInit15_R u4reg(0x21f0)
-#define CalConf0_R u4reg(0x29b0)
-#define CalConf1_R u4reg(0x29c0)
-#define MeasStatusC0_R u4reg(0x28f0)
-#define MeasStatusC1_R u4reg(0x29f0)
-#define MeasStatusC2_R u4reg(0x2af0)
-#define MeasStatusC3_R u4reg(0x2bf0)
-#define CalC0_R u4reg(0x28e0)
-#define CalC1_R u4reg(0x29e0)
-#define CalC2_R u4reg(0x2ae0)
-#define CalC3_R u4reg(0x2be0)
-#define RstLdEnVerniersC0_R u4reg(0x28d0)
-#define RstLdEnVerniersC1_R u4reg(0x29d0)
-#define RstLdEnVerniersC2_R u4reg(0x2ad0)
-#define RstLdEnVerniersC3_R u4reg(0x2bd0)
-#define ExtMuxVernier0_R u4reg(0x28b0)
-#define ExtMuxVernier1_R u4reg(0x28c0)
-#define OCDCalCmd_R u4reg(0x2300)
-#define OCDCalCntl_R u4reg(0x2310)
-#define MCCR_R u4reg(0x2440)
-#define MSRSR_R u4reg(0x2410)
-#define MSRER_R u4reg(0x2420)
-#define MSPR_R u4reg(0x2430)
-#define MSCR_R u4reg(0x2400)
-#define MEAR0_R u4reg(0x2460)
-#define MEAR1_R u4reg(0x2470)
-#define MESR_R u4reg(0x2480)
-#define MRSRegCntl_R u4reg(0x20c0)
-#define EMRSRegCntl_R u4reg(0x20d0)
-#define APIMemRdCfg_R u4reg(0x30090)
-#define APIExcp_R u4reg(0x300a0)
-
-/*
- * common return values
- */
-#define RET_OK 0
-#define RET_ERR -1
-#define RET_ACERR_CE -1
-#define RET_ACERR_UEWT -2
-#define RET_ACERR_UE -3
-
-/*
- * 'DIMM slot populated' indicator
- */
-#define SL_POP 1
-
-/*
- * spd buffer size
- */
-#define SPD_BUF_SIZE 0x40
-
-/*
- * maximum number of DIMM banks & DIMM groups
- */
-#define NUM_SLOTS 8
-#define NUM_BANKS ( NUM_SLOTS / 2 )
-#define MAX_DGROUPS ( NUM_SLOTS / 2 )
-#define SLOT_ADJ() ( ( IS_MAUI ) ? NUM_SLOTS / 4 : NUM_SLOTS / 2 )
-
-/*
- * values needed for auto calibration
- */
-#define MAX_DRANKS NUM_SLOTS
-#define MAX_BLANE 18
-#define MAX_RMD 0xf
-
-/*
- * maximum number of supported CAS latencies
- */
-#define NUM_CL 3
-
-/*
- * min/max supported CL values by U4
- */
-#define U4_MIN_CL 3
-#define U4_MAX_CL 5
-
-/*
- * DIMM constants
- */
-#define DIMM_TYPE_MSK BIT(0)
-#define DIMM_ORG_x4 BIT(0)
-#define DIMM_ORG_x8 BIT(1)
-#define DIMM_ORG_x16 BIT(2)
-#define DIMM_ORG_MIXx8x16 BIT(30)
-#define DIMM_ORG_UNKNOWN 0
-#define DIMM_WIDTH 72
-#define DIMM_BURSTLEN_4 BIT(2)
-
-/*
- * L2 cache size
- */
-#define L2_CACHE_SIZE (uint32_t) 0x100000
-
-/*
- * scrub types
- */
-#define IMMEDIATE_SCRUB IBIT(0)
-#define IMMEDIATE_SCRUB_WITH_FILL ( IBIT(0) | IBIT(1) )
-#define BACKGROUND_SCRUB ( IBIT(1) | ( 0x29 << 16 ) )
-
-/*
- * I2C starting slave addresses of the DIMM banks
- */
-#define I2C_START 0x50
-
-/*
- * Index to the speed dependend DIMM settings
- */
-enum
-{
- SPEED_IDX_400 = 0,
- SPEED_IDX_533,
- SPEED_IDX_667,
- NUM_SPEED_IDX
-};
-
-/*
- * number of read/write strobes of the U4
- */
-#define NUM_STROBES 18
-
-/*
- * 2GB hole definition
- */
-static const uint64_t _2GB = (uint64_t) 0x80000000;
-
-/*
- * local types
- *******************************************************************************
- */
-/*
- * DIMM definition
- */
-typedef struct
-{
- uint32_t m_pop_u32; // set if bank is populated
- uint32_t m_bank_u32; // bank number
- uint32_t m_clmsk_u32; // mask of supported CAS latencies
- uint32_t m_clcnt_u32; // number of supporetd CAS latencies
- uint32_t m_clval_pu32[NUM_CL]; // values of supporeted CAS latencies
- uint32_t m_speed_pu32[NUM_CL]; // speed (Mhz) at CAS latency of same index
- uint32_t m_size_u32; // chip size in Mb
- uint32_t m_rank_u32; // # of ranks, total size = chip size*rank
- uint32_t m_orgmsk_u32; // data organisation (x4, x8, x16) (mask)
- uint32_t m_orgval_u32; // data organisation (value)
- uint32_t m_width_u32; // data width
- uint32_t m_ecc_u32; // set if ecc
- uint32_t m_type_u32; // rdimm or udimm
- uint32_t m_burst_u32; // supported burst lengths
- uint32_t m_bankcnt_u32; // number of banks
-
- /*
- * the following timing values are all in 1/100ns
- */
- uint32_t m_tCK_pu32[NUM_CL];
- uint32_t m_tRAS_u32;
- uint32_t m_tRTP_u32;
- uint32_t m_tRP_u32;
- uint32_t m_tWR_u32;
- uint32_t m_tRRD_u32;
- uint32_t m_tRC_u32;
- uint32_t m_tRCD_u32;
- uint32_t m_tWTR_u32;
- uint32_t m_tREF_u32;
- uint32_t m_tRFC_u32;
-} dimm_t;
-
-/*
- * DIMM group definition
- */
-typedef struct
-{
- uint32_t m_size_u32; // group size in MB
- uint32_t m_start_u32; // in 128Mb granularity
- uint32_t m_end_u32; // in 128Mb granularity
- uint32_t m_ss_u32; // single sided/double sided
- uint32_t m_csmode_u32; // selected CS mode for this group
- uint32_t m_add2g_u32;
- uint32_t m_sub2g_u32;
- uint32_t m_memmd_u32; // selected mem mode for this group
- uint32_t m_dcnt_u32; // number of DIMMs in group
- dimm_t *m_dptr[NUM_SLOTS];
-} dgroup_t;
-
-/*
- * auto calibration result structure
- */
-typedef struct
-{
- uint32_t m_MemBusCnfg_u32;
- uint32_t m_MemBusCnfg2_u32;
- uint32_t m_RstLdEnVerniers_pu32[4];
-} auto_calib_t;
-
-/*
- * ECC error structure
- */
-typedef struct
-{
- int32_t m_err_i32;
- uint32_t m_uecnt_u32; // number of uncorrectable errors
- uint32_t m_cecnt_u32; // number of correctable errors
- uint32_t m_rank_u32; // erroneous rank
- uint32_t m_col_u32; // erroneous column
- uint32_t m_row_u32; // erroneous row
- uint32_t m_bank_u32; // erroneous bank
-} eccerror_t;
-
-/*
- * U4 register setup structure
- */
-typedef struct
-{
- /*
- * external MUX delays
- */
- uint32_t RRMux;
- uint32_t WRMux;
- uint32_t WWMux;
- uint32_t RWMux;
-
- /*
- * default Wr/Rd Queue & Arbiter register settings
- */
- uint32_t MemRdQCnfg;
- uint32_t MemWrQCnfg;
- uint32_t MemQArb;
- uint32_t MemRWArb;
-
- /*
- * misc fixed register values
- */
- uint32_t ODTCntl;
- uint32_t IOPadCntl;
- uint32_t MemPhyModeCntl;
- uint32_t OCDCalCntl;
- uint32_t OCDCalCmd;
- uint32_t CKDelayL;
- uint32_t CKDelayU;
- uint32_t MemBusCnfg;
- uint32_t CAS1Dly0;
- uint32_t CAS1Dly1;
- uint32_t ByteWrClkDel[NUM_STROBES];
- uint32_t ReadStrobeDel[NUM_STROBES];
-} reg_statics_t;
-
-/*
- * local variables
- *******************************************************************************
- */
-static dimm_t m_dimm[NUM_SLOTS];
-static dimm_t m_gendimm;
-static uint32_t m_dcnt_u32;
-static dimm_t *m_dptr[NUM_SLOTS];
-static uint32_t m_bankoff_u32;
-static uint32_t m_bankpop_u32[NUM_BANKS];
-static uint32_t m_dclidx_u32;
-static uint32_t m_dgrcnt_u32;
-static dgroup_t m_dgroup[MAX_DGROUPS];
-static dgroup_t *m_dgrptr[MAX_DGROUPS];
-static uint64_t m_memsize_u64; // memsize in bytes
-
-/*
- * local functions
- *******************************************************************************
- */
-static void
-progbar( void )
-{
- static uint8_t bar[] =
- { '|', '/', '-', '\\', 0 };
- static uint32_t idx = 0;
-
- printf( "\b%c", bar[idx] );
-
- if( bar[++idx] == 0 ) {
- idx = 0;
- }
-
-}
-
-static void
-or32_ci( uint64_t r, uint32_t m )
-{
- uint32_t v;
-
- v = load32_ci( r );
- v |= m;
- store32_ci( r, v );
-}
-
-static void
-and32_ci( uint64_t r, uint32_t m )
-{
- uint32_t v;
-
- v = load32_ci( r );
- v &= m;
- store32_ci( r, v );
-}
-
-static void
-dly( uint64_t volatile f_wait_u64 ) \
-{
- while( f_wait_u64 ) {
- f_wait_u64--;
- }
-}
-
-/*
- * local i2c access functions
- */
-static void
-i2c_term( void )
-{
- uint32_t l_stat_u32;
-
- /*
- * clear out all pending int's and wait
- * for the stop condition to occur
- */
- do {
- l_stat_u32 = load32_ci( I2C_ISR_R );
- store32_ci( I2C_ISR_R, l_stat_u32 );
- } while( ( l_stat_u32 & IBIT(29) ) == 0 );
-
-}
-
-static int32_t
-i2c_read( uint32_t f_addr_u32, uint32_t f_suba_u32, uint8_t *f_buf_pu08, uint32_t f_len_u32 )
-{
- uint32_t l_val_u32;
- int32_t l_ret_i32 = 1;
-
- /*
- * parameter check
- */
- if( ( f_addr_u32 > (uint32_t) 0x7f ) ||
- ( f_suba_u32 > (uint32_t) 0xff ) ||
- ( f_len_u32 == (uint32_t) 0x00 ) ) {
- return RET_ERR;
- }
-
- /*
- * set I2C Interface to combined mode
- */
- store32_ci( I2C_MODE_R, IBIT(28) | IBIT(29) );
-
- /*
- * set address, subaddress & read mode
- */
- store32_ci( I2C_ADDR_R, ( f_addr_u32 << 1 ) | (uint32_t) 0x1 );
- store32_ci( I2C_SUBA_R, f_suba_u32 );
-
- /*
- * start address transmission phase
- */
- store32_ci( I2C_CTRL_R, IBIT(30) );
-
- /*
- * wait for address transmission to finish
- */
- do {
- l_val_u32 = load32_ci( I2C_ISR_R );
- } while( ( l_val_u32 & IBIT(30) ) == 0 );
-
- /*
- * check for success
- */
- if( ( load32_ci( I2C_STAT_R ) & IBIT(30) ) == 0 ) {
- i2c_term();
- return RET_ERR;
- } else {
- // send ack
- store32_ci( I2C_CTRL_R, IBIT(31) );
- // clear int
- store32_ci( I2C_ISR_R, IBIT(30) );
- }
-
- /*
- * read data
- */
- while( l_ret_i32 > 0 ) {
- l_val_u32 = load32_ci( I2C_ISR_R );
-
- if( ( l_val_u32 & IBIT(31) ) != 0 ) {
- // data was received
- *f_buf_pu08 = ( uint8_t ) load32_ci( I2C_DATA_R );
-
- f_buf_pu08++;
- f_len_u32--;
-
- /*
- * continue when there is more data to read or
- * exit if not
- */
- if( f_len_u32 != 0 ) {
- // send ack
- store32_ci( I2C_CTRL_R, IBIT(31) );
- // clear int
- store32_ci( I2C_ISR_R, IBIT(31) );
- } else {
- // send nack
- store32_ci( I2C_CTRL_R, 0 );
- // set exit flag
- l_ret_i32 = RET_OK;
- }
-
- } else if( ( l_val_u32 & IBIT(29) ) != 0 ) {
- // early stop condition
- // set exit flag
- l_ret_i32 = RET_ERR;
- }
-
- };
-
- i2c_term();
-
- return( l_ret_i32 );
-}
-
-static uint32_t
-i2c_get_slot( uint32_t i2c_addr )
-{
- uint32_t slot;
-
- slot = ( i2c_addr - I2C_START ) / 2;
-
- if( ( i2c_addr & 0x1 ) != 0 ) {
- slot += SLOT_ADJ();
- }
-
- return slot;
-}
-
-/*
- * 'serial presence detect' interpretation functions
- */
-static uint32_t
-ddr2_get_dimm_rank( uint8_t *f_spd_pu08 )
-{
- static const int RANK_IDX = (int) 5;
-
- return (uint32_t) ( f_spd_pu08[RANK_IDX] & 0x3 ) + 1;
-}
-
-static uint32_t
-ddr2_get_dimm_size( uint8_t *f_spd_pu08 )
-{
- static const int SIZE_IDX = (int) 31;
- uint8_t l_smsk_u08;
- uint32_t i;
-
- l_smsk_u08 = ( f_spd_pu08[SIZE_IDX] << 3 ) |
- ( f_spd_pu08[SIZE_IDX] >> 5 );
-
- for( i = 0; ( ( l_smsk_u08 & ( (uint8_t) 0x1 << i ) ) == 0 ) ; i++ );
-
- return (uint32_t) 0x80 << i;
-}
-
-static uint32_t
-ddr2_get_dimm_type( uint8_t *f_spd_pu08 )
-{
- static const int TYPE_IDX = (int) 20;
-
- return (uint32_t) f_spd_pu08[TYPE_IDX] & DIMM_TYPE_MSK;
-}
-
-static uint32_t
-ddr2_get_dimm_org( uint8_t *f_spd_pu08, uint32_t /*out*/ *f_omsk_pu32 )
-{
- static const int ORG_IDX = (int) 13;
- uint32_t l_ret_u32 = (uint32_t) f_spd_pu08[ORG_IDX];
-
- if( l_ret_u32 == 4 ) {
- *f_omsk_pu32 = DIMM_ORG_x4;
- } else if( l_ret_u32 == 8 ) {
- *f_omsk_pu32 = DIMM_ORG_x8;
- *f_omsk_pu32 |= DIMM_ORG_MIXx8x16;
- } else if( l_ret_u32 == 16 ) {
- *f_omsk_pu32 = DIMM_ORG_x16;
- *f_omsk_pu32 |= DIMM_ORG_MIXx8x16;
- } else {
- *f_omsk_pu32 = DIMM_ORG_UNKNOWN;
- l_ret_u32 = (uint32_t) ~0;
- }
-
- return l_ret_u32;
-}
-
-static uint32_t
-ddr2_get_dimm_width( uint8_t *f_spd_pu08 )
-{
- static const int WIDTH_IDX = (int) 6;
-
- return (uint32_t) f_spd_pu08[WIDTH_IDX];
-}
-
-static uint32_t
-ddr2_get_dimm_ecc( uint8_t *f_spd_pu08 )
-{
- static const int ECC_IDX = (int) 11;
-
- return ( f_spd_pu08[ECC_IDX] & BIT(1) ) != 0;
-}
-
-static uint32_t
-ddr2_get_dimm_burstlen( uint8_t *f_spd_pu08 )
-{
- static const int BURST_IDX = (int) 16;
-
- return (uint32_t) f_spd_pu08[BURST_IDX];
-}
-
-static void
-ddr2_get_dimm_speed( dimm_t *f_dimm, uint8_t *f_spd_pu08 )
-{
- static const int SPEED_IDX[] = { 25, 23, 9 };
- static const uint32_t NS[] = { 25, 33, 66, 75 };
- uint8_t l_tmp_u08;
- uint32_t l_dspeed_u32;
- uint32_t idx = 0;
- uint32_t i;
-
- for( i = NUM_CL - f_dimm->m_clcnt_u32; i < NUM_CL; i++ ) {
- l_tmp_u08 = f_spd_pu08[SPEED_IDX[i]];
- l_dspeed_u32 = (uint32_t) ( l_tmp_u08 >> 4 ) * 100;
- l_tmp_u08 &= (uint8_t) 0xf;
-
- if( l_tmp_u08 >= (uint8_t) 10 ) {
- l_dspeed_u32 += NS[l_tmp_u08 - 10];
- } else {
- l_dspeed_u32 += (uint32_t) l_tmp_u08 * 10;
- }
-
- f_dimm->m_tCK_pu32[idx] = l_dspeed_u32;
- f_dimm->m_speed_pu32[idx] = (uint32_t) 2000000 / l_dspeed_u32;
- f_dimm->m_speed_pu32[idx] += (uint32_t) 5;
- f_dimm->m_speed_pu32[idx] /= (uint32_t) 10;
- idx++;
- }
-
-}
-
-static void
-ddr2_get_dimm_timings( dimm_t *f_dimm, uint8_t *f_spd_pu08 )
-{
- static const uint32_t NS[] = { 00, 25, 33, 50, 66, 75, 00, 00 };
- static const uint32_t USMUL = (uint32_t) 390625;
- static const int tREF_IDX = (int) 12;
- static const int tRP_IDX = (int) 27;
- static const int tRRD_IDX = (int) 28;
- static const int tRCD_IDX = (int) 29;
- static const int tRAS_IDX = (int) 30;
- static const int tWR_IDX = (int) 36;
- static const int tWTR_IDX = (int) 37;
- static const int tRTP_IDX = (int) 38;
- static const int tRC_IDX = (int) 41; // & 40
- static const int tRFC_IDX = (int) 42; // & 40
-
- uint32_t l_tmp_u32;
-
- f_dimm->m_tRP_u32 = (uint32_t) f_spd_pu08[tRP_IDX] * 25;
- f_dimm->m_tRRD_u32 = (uint32_t) f_spd_pu08[tRRD_IDX] * 25;
- f_dimm->m_tRCD_u32 = (uint32_t) f_spd_pu08[tRCD_IDX] * 25;
- f_dimm->m_tWR_u32 = (uint32_t) f_spd_pu08[tWR_IDX] * 25;
- f_dimm->m_tWTR_u32 = (uint32_t) f_spd_pu08[tWTR_IDX] * 25;
- f_dimm->m_tRTP_u32 = (uint32_t) f_spd_pu08[tRTP_IDX] * 25;
- f_dimm->m_tRAS_u32 = (uint32_t) f_spd_pu08[tRAS_IDX] * 100;
-
- l_tmp_u32 = (uint32_t) ( f_spd_pu08[tRC_IDX - 1] >> 4 );
- l_tmp_u32 &= (uint32_t) 0x7;
- f_dimm->m_tRC_u32 = (uint32_t) f_spd_pu08[tRC_IDX] * 100 +
- NS[l_tmp_u32];
-
- l_tmp_u32 = (uint32_t) f_spd_pu08[tRFC_IDX - 2];
- l_tmp_u32 &= (uint32_t) 0xf;
- f_dimm->m_tRFC_u32 = (uint32_t) 256 * ( l_tmp_u32 & (uint32_t) 0x1 );
- f_dimm->m_tRFC_u32 += (uint32_t) f_spd_pu08[tRFC_IDX];
- f_dimm->m_tRFC_u32 *= 100;
- l_tmp_u32 >>= 1;
- f_dimm->m_tRFC_u32 += NS[l_tmp_u32];
-
- l_tmp_u32 = (uint32_t) f_spd_pu08[tREF_IDX];
- l_tmp_u32 &= (uint32_t) 0x7f;
-
- if( l_tmp_u32 == 0 ) {
- l_tmp_u32 = (uint32_t) 2;
- } else if( l_tmp_u32 <= (uint32_t) 2 ) {
- l_tmp_u32--;
- }
-
- f_dimm->m_tREF_u32 = ( l_tmp_u32 + 1 ) * USMUL;
-}
-
-static uint32_t
-ddr2_get_banks( uint8_t *f_spd_pu08 )
-{
- static const int BANK_IDX = (int) 17;
-
- return (uint32_t) f_spd_pu08[BANK_IDX];
-}
-
-static uint32_t
-ddr2_get_cl_mask( uint8_t *f_spd_pu08 )
-{
- static const int CL_IDX = (int) 18;
-
- return (uint32_t) f_spd_pu08[CL_IDX];
-}
-
-static void
-ddr2_get_cl( dimm_t *f_dimm )
-{
- uint32_t l_clcnt_u32 = 0;
- uint32_t i;
-
- for( i = 0; ( i < 8 ) && ( l_clcnt_u32 < NUM_CL ) ; i++ ) {
-
- if( ( f_dimm->m_clmsk_u32 & ( (uint32_t) 0x1 << i ) ) != 0 ) {
- f_dimm->m_clval_pu32[l_clcnt_u32] = i;
- l_clcnt_u32++;
- }
-
- }
-
- f_dimm->m_clcnt_u32 = l_clcnt_u32;
-}
-
-static uint32_t
-ddr2_cl2speed( dimm_t *f_dimm, uint32_t f_cl_u32, uint32_t *f_tCK_pu32 )
-{
- uint32_t i;
-
- for(i = 0; (i < NUM_CL) && (f_dimm->m_clval_pu32[i] != f_cl_u32); i++);
-
- if( i == NUM_CL ) {
- return (uint32_t) ~0;
- }
-
- *f_tCK_pu32 = f_dimm->m_tCK_pu32[i];
-
- return f_dimm->m_speed_pu32[i];
-}
-
-static void
-ddr2_setupDIMM( dimm_t *f_dimm, uint32_t f_bank_u32, uint8_t *f_spd_pu08 )
-{
- f_dimm->m_pop_u32 = SL_POP;
- f_dimm->m_bank_u32 = f_bank_u32;
- f_dimm->m_size_u32 = ddr2_get_dimm_size( f_spd_pu08 );
- f_dimm->m_rank_u32 = ddr2_get_dimm_rank( f_spd_pu08 );
- f_dimm->m_type_u32 = ddr2_get_dimm_type( f_spd_pu08 );
- f_dimm->m_orgval_u32 = ddr2_get_dimm_org( f_spd_pu08, &f_dimm->m_orgmsk_u32 );
- f_dimm->m_width_u32 = ddr2_get_dimm_width( f_spd_pu08 );
- f_dimm->m_ecc_u32 = ddr2_get_dimm_ecc( f_spd_pu08 );
- f_dimm->m_burst_u32 = ddr2_get_dimm_burstlen( f_spd_pu08 );
- f_dimm->m_clmsk_u32 = ddr2_get_cl_mask( f_spd_pu08 );
- f_dimm->m_bankcnt_u32 = ddr2_get_banks( f_spd_pu08 );
-
- ddr2_get_cl( f_dimm );
- ddr2_get_dimm_speed( f_dimm, f_spd_pu08 );
- ddr2_get_dimm_timings( f_dimm, f_spd_pu08 );
-}
-
-static int32_t
-ddr2_checkSPD( uint8_t *f_spd_pu08 )
-{
- uint8_t crc = 0;
- uint32_t i;
-
- for( i = 0; i < SPD_BUF_SIZE - 1; i++ ) {
- crc += f_spd_pu08[i];
- }
-
- if( crc != f_spd_pu08[i] ) {
- return RET_ERR;
- }
-
- return RET_OK;
-}
-
-static int32_t
-ddr2_readSPDs( void )
-{
- static const uint32_t MAX_SPD_FAIL = 3;
- uint8_t l_spdbuf_pu08[SPD_BUF_SIZE];
- uint32_t l_bankfail_u32 = 0;
- uint32_t l_spdfail_u32 = 0;
- int32_t l_i2c_i32 = RET_OK;
- int32_t l_spd_i32 = RET_OK;
- int32_t ret = RET_OK;
- uint32_t i;
-
- /*
- * read spd's and detect populated slots
- */
- for( i = 0; i < NUM_SLOTS; i++ ) {
- /*
- * indicate slot as empty
- */
- m_dimm[i].m_pop_u32 = 0;
-
- /*
- * check whether bank is switched off
- */
- if( ( m_bankoff_u32 & ( 0x1 << ( i / 2 ) ) ) != 0 ) {
- continue;
- }
-
- /*
- * read SPD data
- */
-
- /*
- * reset SPD fail counter
- */
- l_spdfail_u32 = MAX_SPD_FAIL;
- l_spd_i32 = RET_OK;
-
- while( l_spdfail_u32 != 0 ) {
- l_i2c_i32 = i2c_read( I2C_START + i, 0x0, l_spdbuf_pu08, SPD_BUF_SIZE );
-
- if( l_i2c_i32 == RET_OK ) {
- l_spd_i32 = ddr2_checkSPD( l_spdbuf_pu08 );
-
- if( l_spd_i32 == RET_OK ) {
- l_spdfail_u32 = 0;
- } else {
- l_spdfail_u32--;
- }
-
- } else {
- l_spdfail_u32--;
- }
-
- }
-
- if( l_spd_i32 != RET_OK ) {
- #ifdef U4_INFO
- printf( "\r\n [ERROR -> SPD read failure in slot %u]",
- i2c_get_slot( I2C_START + i ) );
- #endif
-
- l_bankfail_u32 |= ( 0x1 << ( i / 2 ) );
- ret = RET_ERR;
- } else if( l_i2c_i32 == RET_OK ) {
- /*
- * slot is populated
- */
- ddr2_setupDIMM( &m_dimm[i], i / 2, l_spdbuf_pu08 );
-
- m_dptr[m_dcnt_u32] = &m_dimm[i];
- m_dcnt_u32++;
- }
-
- }
-
- if( ret != RET_OK ) {
- m_bankoff_u32 |= l_bankfail_u32;
- #ifdef U4_INFO
- printf( "\r\n" );
- #endif
- }
-
- return ret;
-}
-
-static int32_t
-ddr2_setupDIMMcfg( void )
-{
- uint32_t l_tmp_u32;
- uint32_t l_tmp0_u32;
- uint32_t l_tmp1_u32;
- uint32_t i, j, e, b;
-
- /*
- * check wether on board DIMM slot population is valid
- */
- e = 0;
- b = 0;
- for( i = 0; i < NUM_SLOTS; i += 2 ) {
-
- switch( m_dimm[i].m_pop_u32 + m_dimm[i+1].m_pop_u32 ) {
- case 0: {
- m_bankpop_u32[i/2] = 0;
- break;
- }
-
- case 2 * SL_POP: {
- m_bankpop_u32[i/2] = !0;
- b++;
- break;
- }
-
- default: {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> only 1 DIMM installed in bank %u]", i/2 );
- #endif
- e++;
- }
-
- }
-
- }
-
- /*
- * return on error
- */
- if( e != 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n" );
- #endif
- return RET_ERR;
- }
-
- if( b == 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> no (functional) memory installed]\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * check DIMM compatibility
- * configuration is 128 bit data/128 bit bus
- * -all DIMMs must be organized as x4
- * -all DIMMs must be 72 bit wide with ECC
- * -all DIMMs must be registered DIMMs (RDIMMs)
- * -paired DIMMs must have the same # of ranks, size & organization
- */
-
- /*
- * check DIMM ranks & sizes
- */
- e = 0;
- for( i = 0; i < NUM_SLOTS; i += 2 ) {
-
- if( ( m_bankpop_u32[i/2] != 0 ) &&
- ( ( m_dimm[i].m_rank_u32 != m_dimm[i+1].m_rank_u32 ) ||
- ( m_dimm[i].m_size_u32 != m_dimm[i+1].m_size_u32 ) ) ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> installed DIMMs in bank %u have different ranks/sizes]", i/2 );
- #endif
- e++;
- }
-
- }
-
- /*
- * return on error
- */
- if( e != 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * check valid DIMM organisation (must be x4)
- */
- e = 0;
- for( i = 0; i < m_dcnt_u32; i++ ) {
-
- if( ( m_dptr[i]->m_orgmsk_u32 & DIMM_ORG_x4 ) == 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> wrong DIMM organisation in bank %u]",
- m_dptr[i]->m_bank_u32 );
- #endif
- e++;
- }
-
- }
-
- /*
- * return on error
- */
- if( e != 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n" );
- #endif
- return RET_ERR;
- }
-
- e = (uint32_t) ~0;
- for( i = 0; i < m_dcnt_u32; i++ ) {
- e &= m_dptr[i]->m_type_u32;
- }
-
- /*
- * return on error
- */
- if( e == 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> installed DIMMs are of different type]\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * setup generic dimm
- */
- m_gendimm.m_type_u32 = e;
-
- /*
- * check valid width, ecc & burst length
- */
- e = 0;
- for( i = 0; i < m_dcnt_u32; i++ ) {
-
- if( m_dptr[i]->m_width_u32 != DIMM_WIDTH ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> invalid DIMM width in bank %u]",
- m_dptr[i]->m_bank_u32 );
- #endif
- e++;
- }
-
- if( m_dptr[i]->m_ecc_u32 == 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> DIMM(s) do not support ECC in bank %u]",
- m_dptr[i]->m_bank_u32 );
- #endif
- e++;
- }
-
- if( ( m_dptr[i]->m_burst_u32 & DIMM_BURSTLEN_4 ) == 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> DIMM(s) have invalid burst length in bank %u]",
- m_dptr[i]->m_bank_u32 );
- #endif
- e++;
- }
-
- }
-
- /*
- * return on error
- */
- if( e != 0 ) {
- #ifdef U4_DEBUG
- printf( "\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * setup generic dimm
- */
- m_gendimm.m_width_u32 = m_dptr[0]->m_width_u32;
- m_gendimm.m_ecc_u32 = m_dptr[0]->m_ecc_u32;
- m_gendimm.m_burst_u32 = m_dptr[0]->m_burst_u32;
-
- /*
- * success
- */
- m_gendimm.m_pop_u32 = SL_POP;
-
- /*
- * setup timing parameters
- */
-
- /*
- * find smallest common CL value
- */
- l_tmp_u32 = (uint32_t) ~0;
- for( i = 0; i < m_dcnt_u32; i++ ) {
- l_tmp_u32 &= m_dptr[i]->m_clmsk_u32;
- }
-
- m_gendimm.m_clmsk_u32 = l_tmp_u32;
- ddr2_get_cl( &m_gendimm );
-
- /*
- * find fastest common DIMM speed for all common CL values
- */
- for( i = 0; i < m_gendimm.m_clcnt_u32; i++ ) {
- m_gendimm.m_speed_pu32[i] = (uint32_t) ~0;
-
- for( j = 0; j < m_dcnt_u32; j++ ) {
- l_tmp0_u32 =
- ddr2_cl2speed( m_dptr[j],
- m_gendimm.m_clval_pu32[i],
- &l_tmp1_u32 );
-
- if( m_gendimm.m_speed_pu32[i] > l_tmp0_u32 ) {
- m_gendimm.m_speed_pu32[i] = l_tmp0_u32;
- m_gendimm.m_tCK_pu32[i] = l_tmp1_u32;
- }
-
- }
-
- }
-
- /*
- * check wether cl values are supported by U4
- */
- for( i = 0; i < m_gendimm.m_clcnt_u32; i++ ) {
-
- if( ( m_gendimm.m_clval_pu32[i] >= U4_MIN_CL ) &&
- ( m_gendimm.m_clval_pu32[i] <= U4_MAX_CL ) ) {
- break;
- }
-
- }
-
- if( i == m_gendimm.m_clcnt_u32 ) {
- #ifdef U4_DEBUG
- printf( "\r\n [ERROR -> DIMM's CL values not supported]\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * choose cl/speed values to use: prefer speed over CL
- * i holds smallest supported cl value of u4 already
- */
- l_tmp_u32 = 0;
- while( i < m_gendimm.m_clcnt_u32 ) {
-
- if( l_tmp_u32 < m_gendimm.m_speed_pu32[i] ) {
- l_tmp_u32 = m_gendimm.m_speed_pu32[i];
- m_dclidx_u32 = i;
- }
-
- i++;
- }
-
- /*
- * choose largest number of banks
- */
- m_gendimm.m_bankcnt_u32 = 0;
-
- for( i = 0; i < m_dcnt_u32; i++ ) {
-
- if( m_gendimm.m_bankcnt_u32 < m_dptr[i]->m_bankcnt_u32 ) {
- m_gendimm.m_bankcnt_u32 = m_dptr[i]->m_bankcnt_u32;
- }
-
- }
-
- /*
- * setup fastest possible timing parameters for all DIMMs
- */
- m_gendimm.m_tRP_u32 = 0;
- m_gendimm.m_tRRD_u32 = 0;
- m_gendimm.m_tRCD_u32 = 0;
- m_gendimm.m_tWR_u32 = 0;
- m_gendimm.m_tWTR_u32 = 0;
- m_gendimm.m_tRTP_u32 = 0;
- m_gendimm.m_tRAS_u32 = 0;
- m_gendimm.m_tRC_u32 = 0;
- m_gendimm.m_tRFC_u32 = 0;
- m_gendimm.m_tREF_u32 = (uint32_t) ~0;
-
- for( i = 0; i < m_dcnt_u32; i++ ) {
-
- if( m_gendimm.m_tRP_u32 < m_dptr[i]->m_tRP_u32 ) {
- m_gendimm.m_tRP_u32 = m_dptr[i]->m_tRP_u32;
- }
-
- if( m_gendimm.m_tRRD_u32 < m_dptr[i]->m_tRRD_u32 ) {
- m_gendimm.m_tRRD_u32 = m_dptr[i]->m_tRRD_u32;
- }
-
- if( m_gendimm.m_tRCD_u32 < m_dptr[i]->m_tRCD_u32 ) {
- m_gendimm.m_tRCD_u32 = m_dptr[i]->m_tRCD_u32;
- }
-
- if( m_gendimm.m_tWR_u32 < m_dptr[i]->m_tWR_u32 ) {
- m_gendimm.m_tWR_u32 = m_dptr[i]->m_tWR_u32;
- }
-
- if( m_gendimm.m_tWTR_u32 < m_dptr[i]->m_tWTR_u32 ) {
- m_gendimm.m_tWTR_u32 = m_dptr[i]->m_tWTR_u32;
- }
-
- if( m_gendimm.m_tRTP_u32 < m_dptr[i]->m_tRTP_u32 ) {
- m_gendimm.m_tRTP_u32 = m_dptr[i]->m_tRTP_u32;
- }
-
- if( m_gendimm.m_tRAS_u32 < m_dptr[i]->m_tRAS_u32 ) {
- m_gendimm.m_tRAS_u32 = m_dptr[i]->m_tRAS_u32;
- }
-
- if( m_gendimm.m_tRC_u32 < m_dptr[i]->m_tRC_u32 ) {
- m_gendimm.m_tRC_u32 = m_dptr[i]->m_tRC_u32;
- }
-
- if( m_gendimm.m_tRFC_u32 < m_dptr[i]->m_tRFC_u32 ) {
- m_gendimm.m_tRFC_u32 = m_dptr[i]->m_tRFC_u32;
- }
-
- if( m_gendimm.m_tREF_u32 > m_dptr[i]->m_tREF_u32 ) {
- m_gendimm.m_tREF_u32 = m_dptr[i]->m_tREF_u32;
- }
-
- }
-
- return RET_OK;
-}
-
-static void
-u4_group2dimmsDS( dimm_t *f_dimm0, dimm_t *f_dimm1 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -at least 2 slots are populated
- * -the 2 DIMMs are equal
- * -DIMMs are double sided (2 ranks)
- *
- * RESULT:
- * 1 group of 2 ranks (2 ranks/2 DIMMs)
- * -> CS mode 1 (one double sided DIMM pair)
- */
- l_dgr->m_size_u32 = 2 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 0;
- l_dgr->m_csmode_u32 = 1;
- l_dgr->m_dcnt_u32 = 2;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
-
- m_dgrcnt_u32++;
-}
-
-static void
-u4_group2dimmsSS( dimm_t *f_dimm0, dimm_t *f_dimm1 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -at least 2 slots are populated
- * -the 2 DIMMs are equal
- * -DIMMs are single sided (1 rank)
- *
- * RESULT:
- * 1 group of 1 rank (1 rank/2 DIMMs)
- * -> CS mode 0 (one single sided DIMM pair)
- */
- l_dgr->m_size_u32 = 2 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 1;
- l_dgr->m_csmode_u32 = 0;
- l_dgr->m_dcnt_u32 = 2;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
-
- m_dgrcnt_u32++;
-}
-
-static void
-u4_group4dimmsDS( dimm_t *f_dimm0, dimm_t *f_dimm1,
- dimm_t *f_dimm2, dimm_t *f_dimm3 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -4 slots are populated
- * -all 4 DIMMs are equal
- * -DIMMs are double sided (2 ranks)
- *
- * RESULT:
- * 1 group of 4 ranks (2 ranks/2 DIMMs)
- * -> CS mode 2 (two double sided DIMM pairs)
- */
- l_dgr->m_size_u32 = 4 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 0;
- l_dgr->m_csmode_u32 = 2;
- l_dgr->m_dcnt_u32 = 4;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
- l_dgr->m_dptr[2] = f_dimm2;
- l_dgr->m_dptr[3] = f_dimm3;
-
- m_dgrcnt_u32++;
-}
-
-static void
-u4_group4dimmsSS( dimm_t *f_dimm0, dimm_t *f_dimm1,
- dimm_t *f_dimm2, dimm_t *f_dimm3 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -4 slots are populated
- * -all 4 DIMMs are equal
- * -DIMMs are single sided (1 rank)
- *
- * RESULT:
- * 1 group of 2 ranks (1 rank/2 DIMMs)
- * -> CS mode 1 (two single sided DIMM pairs)
- */
- l_dgr->m_size_u32 = 4 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 1;
- l_dgr->m_csmode_u32 = 1;
- l_dgr->m_dcnt_u32 = 4;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
- l_dgr->m_dptr[2] = f_dimm2;
- l_dgr->m_dptr[3] = f_dimm3;
-
- m_dgrcnt_u32++;
-}
-
-static void
-u4_group8dimmsDS( dimm_t *f_dimm0, dimm_t *f_dimm1,
- dimm_t *f_dimm2, dimm_t *f_dimm3,
- dimm_t *f_dimm4, dimm_t *f_dimm5,
- dimm_t *f_dimm6, dimm_t *f_dimm7 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -8 slots are populated
- * -all 8 DIMMs are equal
- * -DIMMs are double sided (2 ranks)
- *
- * RESULT:
- * 1 group of 8 ranks (2 ranks/2 DIMMs)
- * -> CS mode 3 (four double sided DIMM pairs)
- */
- l_dgr->m_size_u32 = 8 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 0;
- l_dgr->m_csmode_u32 = 3;
- l_dgr->m_dcnt_u32 = 8;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
- l_dgr->m_dptr[2] = f_dimm2;
- l_dgr->m_dptr[3] = f_dimm3;
- l_dgr->m_dptr[4] = f_dimm4;
- l_dgr->m_dptr[5] = f_dimm5;
- l_dgr->m_dptr[6] = f_dimm6;
- l_dgr->m_dptr[7] = f_dimm7;
-
- m_dgrcnt_u32++;
-}
-
-static void
-u4_group8dimmsSS( dimm_t *f_dimm0, dimm_t *f_dimm1,
- dimm_t *f_dimm2, dimm_t *f_dimm3,
- dimm_t *f_dimm4, dimm_t *f_dimm5,
- dimm_t *f_dimm6, dimm_t *f_dimm7 )
-{
- dgroup_t *l_dgr = &m_dgroup[m_dgrcnt_u32];
-
- /*
- * known conditions at this point:
- * -8 slots are populated
- * -all 8 DIMMs are equal
- * -DIMMs are single sided (1 rank)
- *
- * RESULT:
- * 1 group of 4 ranks (1 rank/2 DIMMs)
- * -> CS mode 2 (four single sided DIMM pairs)
- */
- l_dgr->m_size_u32 = 8 * ( f_dimm0->m_size_u32 * f_dimm0->m_rank_u32 );
- l_dgr->m_ss_u32 = 1;
- l_dgr->m_csmode_u32 = 2;
- l_dgr->m_dcnt_u32 = 8;
- l_dgr->m_dptr[0] = f_dimm0;
- l_dgr->m_dptr[1] = f_dimm1;
- l_dgr->m_dptr[2] = f_dimm2;
- l_dgr->m_dptr[3] = f_dimm3;
- l_dgr->m_dptr[4] = f_dimm4;
- l_dgr->m_dptr[5] = f_dimm5;
- l_dgr->m_dptr[6] = f_dimm6;
- l_dgr->m_dptr[7] = f_dimm7;
-
- m_dgrcnt_u32++;
-}
-
-static int32_t
-u4_Dcmp( dimm_t *f_dimm0, dimm_t *f_dimm1 )
-{
-
- if( ( f_dimm0->m_size_u32 == f_dimm1->m_size_u32 ) &&
- ( f_dimm0->m_rank_u32 == f_dimm1->m_rank_u32 ) ) {
- return RET_OK;
- }
-
- return RET_ERR;
-}
-
-static void
-u4_group1banks( uint32_t *bidx )
-{
- uint32_t didx = 2 * bidx[0];
-
- /*
- * known conditions at this point:
- * -either DIMMs 0 & 4 or
- * DIMMs 1 & 5 or
- * DIMMs 2 & 6 or
- * DIMMs 3 & 7 are populated
- * -3 (bimini)/1 (maui) pair of slots is empty
- * -installed DIMMs are equal
- */
-
- /*
- * double/single sided setup
- */
- if( m_dimm[didx].m_rank_u32 == 1 ) {
- u4_group2dimmsSS( &m_dimm[didx], &m_dimm[didx+1] );
- } else {
- u4_group2dimmsDS( &m_dimm[didx], &m_dimm[didx+1] );
- }
-
-}
-
-static void
-u4_group2banks( uint32_t *bidx )
-{
- uint32_t didx0 = 2 * bidx[0];
- uint32_t didx1 = 2 * bidx[1];
-
- /*
- * known conditions at this point:
- * -4 slots are populated
- */
-
- /*
- * check wether DIMM banks may be grouped
- */
- if( ( ( ( bidx[0] + bidx[1] ) & 0x1 ) != 0 ) &&
- ( u4_Dcmp( &m_dimm[didx0], &m_dimm[didx1] ) == 0 ) ) {
- /*
- * double/single sided setup
- * NOTE: at this point all DIMMs have the same amount
- * of ranks, therefore only the # of ranks on DIMM 0 is checked
- */
- if( m_dimm[didx0].m_rank_u32 == 1 ) {
- u4_group4dimmsSS( &m_dimm[didx0], &m_dimm[didx0+1],
- &m_dimm[didx1], &m_dimm[didx1+1]);
- } else {
- u4_group4dimmsDS( &m_dimm[didx0], &m_dimm[didx0+1],
- &m_dimm[didx1], &m_dimm[didx1+1]);
- }
-
- } else {
- u4_group1banks( &bidx[0] );
- u4_group1banks( &bidx[1] );
- }
-
-}
-
-static void
-u4_group3banks( uint32_t *bidx )
-{
-
- if( ( bidx[0] == 0 ) && ( bidx[1] == 1 ) ) {
- u4_group2banks( &bidx[0] );
- u4_group1banks( &bidx[2] );
- } else if( ( bidx[1] == 2 ) && ( bidx[2] == 3 ) ) {
- u4_group2banks( &bidx[1] );
- u4_group1banks( &bidx[0] );
- }
-
-}
-
-static void
-u4_group4banks( uint32_t *bidx )
-{
- uint32_t didx0 = 2 * bidx[0];
- uint32_t didx1 = 2 * bidx[1];
- uint32_t didx2 = 2 * bidx[2];
- uint32_t didx3 = 2 * bidx[3];
-
- if( ( u4_Dcmp( &m_dimm[didx0], &m_dimm[didx1] ) == RET_OK ) &&
- ( u4_Dcmp( &m_dimm[didx2], &m_dimm[didx3] ) == RET_OK ) &&
- ( u4_Dcmp( &m_dimm[didx0], &m_dimm[didx2] ) == RET_OK ) ) {
-
- if( m_dimm[didx0].m_rank_u32 == 1 ) {
- u4_group8dimmsSS( &m_dimm[didx0], &m_dimm[didx0+1],
- &m_dimm[didx1], &m_dimm[didx1+1],
- &m_dimm[didx2], &m_dimm[didx2+1],
- &m_dimm[didx3], &m_dimm[didx3+1] );
- } else {
- u4_group8dimmsDS( &m_dimm[didx0], &m_dimm[didx0+1],
- &m_dimm[didx1], &m_dimm[didx1+1],
- &m_dimm[didx2], &m_dimm[didx2+1],
- &m_dimm[didx3], &m_dimm[didx3+1] );
- }
-
- } else {
- u4_group2banks( &bidx[0] );
- u4_group2banks( &bidx[2] );
- }
-
-}
-
-static void
-u4_sortDIMMgroups( void )
-{
- uint32_t i, j;
-
- /*
- * setup global group pointers
- */
- for( i = 0; i < m_dgrcnt_u32; i++ ) {
- m_dgrptr[i] = &m_dgroup[i];
- }
-
- /*
- * use a simple bubble sort to sort groups by size (descending)
- */
- for( i = 0; i < ( m_dgrcnt_u32 - 1 ); i++ ) {
-
- for( j = i + 1; j < m_dgrcnt_u32; j++ ) {
-
- if( m_dgrptr[i]->m_size_u32 < m_dgrptr[j]->m_size_u32 ) {
- dgroup_t *l_sgr;
-
- l_sgr = m_dgrptr[i];
- m_dgrptr[i] = m_dgrptr[j];
- m_dgrptr[j] = l_sgr;
- }
-
- }
-
- }
-
-}
-
-static void
-u4_calcDIMMcnfg( void )
-{
- static const uint32_t _2GB = (uint32_t) 0x00800;
- static const uint32_t _4GB = (uint32_t) 0x01000;
- static const uint32_t _64GB = (uint32_t) 0x10000;
- uint32_t l_start_u32 = (uint32_t) 0;
- uint32_t l_end_u32 = (uint32_t) 0;
- uint32_t l_add2g_u32 = (uint32_t) 1;
- uint32_t l_sub2g_u32 = (uint32_t) 1;
- uint32_t i;
-
- /*
- * setup DIMM group parameters
- */
- for( i = 0; i < m_dgrcnt_u32; i++ ) {
- l_end_u32 = l_start_u32 + m_dgrptr[i]->m_size_u32;
-
- if( m_dgrptr[i]->m_size_u32 > _2GB ) {
-
- if( l_end_u32 < _64GB ) {
- l_add2g_u32 = ( l_end_u32 >> 11 );
- } else {
- l_add2g_u32 = 1;
- }
-
- if( l_start_u32 == 0 ) {
- l_sub2g_u32 = 1;
- } else {
- l_sub2g_u32 = ( l_start_u32 >> 11 );
- }
-
- } else if( l_add2g_u32 != 1 ) {
- l_start_u32 += _2GB;
- l_end_u32 += _2GB;
- l_add2g_u32 = 1;
- l_sub2g_u32 = 1;
- }
-
- /*
- * save values for the group
- */
- m_dgrptr[i]->m_start_u32 = ( l_start_u32 >> 7 ); // = /128
- m_dgrptr[i]->m_end_u32 = ( l_end_u32 >> 7 );
- m_dgrptr[i]->m_add2g_u32 = l_add2g_u32;
- m_dgrptr[i]->m_sub2g_u32 = l_sub2g_u32;
-
- /*
- * continue with next group
- */
- if( l_end_u32 != _2GB ) {
- l_start_u32 = l_end_u32;
- } else {
- l_start_u32 = _4GB;
- }
-
- }
-
-}
-
-static int32_t
-u4_calcDIMMmemmode( void )
-{
- static const uint32_t MAX_ORG = (uint32_t) 0x10;
- static const uint32_t MIN_BASE = (uint32_t) 0x80;
- static const uint32_t MAX_MODE = (uint32_t) 0x10;
- static const uint32_t MODE_ADD = (uint32_t) 0x04;
- dimm_t *l_dptr;
- uint32_t l_modeoffs_u32;
- uint32_t l_sizebase_u32;
- int32_t ret = RET_OK;
- uint32_t i, j;
-
- /*
- * loop through all DIMM groups and calculate memmode setting
- */
- for( i = 0; i < m_dgrcnt_u32; i++ ) {
- l_dptr = m_dgrptr[i]->m_dptr[0]; // all dimms in one group are equal!
-
- l_modeoffs_u32 = MAX_ORG / l_dptr->m_orgval_u32;
- l_modeoffs_u32 /= (uint32_t) 2;
- l_sizebase_u32 = ( MIN_BASE << l_modeoffs_u32 );
-
- j = 0;
- while( ( l_sizebase_u32 != l_dptr->m_size_u32 ) &&
- ( j < MAX_MODE ) ) {
- l_sizebase_u32 <<= 1;
- j += (uint32_t) MODE_ADD;
- }
-
- // return on error
- if( j >= MAX_MODE ) {
- #ifdef U4_INFO
- uint32_t b, k, l;
- printf( "\r\n [ERROR -> unsupported memory type in bank(s)" );
-
- l = 0;
- for( k = 0; k < m_dgrptr[i]->m_dcnt_u32; k++ ) {
- b = m_dgrptr[i]->m_dptr[k]->m_bank_u32;
-
- if( ( l & ( 1 << b ) ) == 0 ) {
- printf( " %u", b );
- l |= ( 1 << b );
- }
-
- }
-
- printf( "]\r\n" );
- #endif
-
- ret = RET_ERR;
- } else {
- m_dgrptr[i]->m_memmd_u32 = l_modeoffs_u32 + j;
- }
-
- }
-
- return ret;
-}
-
-static void
-u4_setupDIMMgroups( void )
-{
- static const uint64_t _1MB = (uint64_t) 0x100000;
- uint32_t l_bcnt_u32;
- uint32_t l_bidx_u32[NUM_BANKS];
- uint32_t i;
-
- /*
- * calculate number of populated banks
- * IMPORTANT: array must be in ascending order!
- */
- l_bcnt_u32 = 0;
- for( i = 0; i < NUM_BANKS; i++ ) {
-
- if( m_bankpop_u32[i] != 0 ) {
- l_bidx_u32[l_bcnt_u32] = i;
- l_bcnt_u32++;
- }
-
- }
-
- switch( l_bcnt_u32 ) {
- case 4: u4_group4banks( &l_bidx_u32[0] ); break;
- case 3: u4_group3banks( &l_bidx_u32[0] ); break;
- case 2: u4_group2banks( &l_bidx_u32[0] ); break;
- case 1: u4_group1banks( &l_bidx_u32[0] ); break;
- }
-
- /*
- * sort DIMM groups by size (descending)
- */
- u4_sortDIMMgroups();
-
- /*
- * calculate overall memory size in bytes
- * (group size is in MB)
- */
- m_memsize_u64 = 0;
- for( i = 0; i < m_dgrcnt_u32; i++ ) {
- m_memsize_u64 += (uint64_t) m_dgrptr[i]->m_size_u32 * _1MB;
- }
-
-}
-
-static int32_t
-u4_setup_core_clock( void )
-{
- static const uint32_t MCLK = (uint32_t) 266;
- static const uint32_t CDIV = (uint32_t) 66;
- static const uint32_t CMAX = (uint32_t) 7;
- static const uint32_t MERR = (uint32_t) 10;
- uint32_t volatile l_cclk_u32;
- uint32_t volatile l_pll2_u32;
- uint32_t i, s;
-
- #ifdef U4_INFO
- printf( " [core clock reset: ]" );
- #endif
-
- /*
- * calculate speed value
- */
- s = m_gendimm.m_speed_pu32[m_dclidx_u32];
- s -= MCLK;
- s /= CDIV;
-
- /*
- * insert new core clock value
- */
- l_cclk_u32 = load32_ci( ClkCntl_R );
- l_cclk_u32 &= ~CLK_DDR_CLK_MSK;
- l_cclk_u32 |= ( s << 18 );
-
-
- // return on error
- if( s > CMAX ) {
- #ifdef U4_INFO
- printf( "\b\b\b\bERR\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * reset core clock
- */
- store32_ci( ClkCntl_R, l_cclk_u32 );
- dly( 0x1000000 );
- or32_ci( PLL2Cntl_R, IBIT(0) );
- dly( 0x1000000 );
-
- /*
- * wait for reset to finish
- */
- do {
- l_pll2_u32 = load32_ci( PLL2Cntl_R );
- } while( ( l_pll2_u32 & IBIT(0) ) != 0 );
-
- /*
- * wait for stable PLL
- */
- s = 0;
- do {
- l_pll2_u32 = ( load32_ci( PLL2Cntl_R ) & IBIT(2) );
-
- for( i = 0; i < 4; i++ ) {
- l_pll2_u32 &= ( load32_ci( PLL2Cntl_R ) & IBIT(2) );
- l_pll2_u32 &= ( load32_ci( PLL2Cntl_R ) & IBIT(2) );
- l_pll2_u32 &= ( load32_ci( PLL2Cntl_R ) & IBIT(2) );
- dly( 0x10000 );
- }
-
- } while( ( l_pll2_u32 == 0 ) && ( s++ < MERR ) );
-
- if( s >= MERR ) {
- #ifdef U4_INFO
- printf( "\b\b\b\bERR\r\n" );
- #endif
- return RET_ERR;
- }
-
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
- #endif
-
- return RET_OK;
-}
-
-static void
-u4_auto_calib_init( void )
-{
- static const uint32_t SEQ[] = {
- 0xb1000000, 0xd1000000, 0xd1000000, 0xd1000000,
- 0xd1000000, 0xd1000000, 0xd1000000, 0xd1000000,
- 0xd1000000, 0xd1000000, 0xd1000000, 0xd1000000,
- 0xd1000000, 0xd1000000, 0xd1000400, 0x00000000,
- };
-
- uint64_t i;
- uint32_t j;
-
- for( i = MemInit00_R, j = 0; i <= MemInit15_R; i += 0x10, j++ ) {
- store32_ci( i, SEQ[j] );
- }
-
-}
-
-#if 0
-static uint32_t
-u4_RSL_BLane( uint32_t f_Rank_u32, uint32_t f_BLane_u32 )
-{
- static const uint32_t MemProgCntl_V = (uint32_t) 0x80000500;
- static const uint32_t CalConf0_V = (uint32_t) 0x0000aa10;
- uint32_t l_MemProgCntl_u32;
- uint32_t l_CalConf0_u32;
- uint32_t l_MeasStat_u32;
- uint32_t l_CalC_u32;
- uint64_t MeasStat_R;
- uint64_t CalC_R;
- uint64_t VerC_R;
- uint32_t shft;
- uint32_t v;
-
- if( f_BLane_u32 < 4 ) {
- MeasStat_R = MeasStatusC0_R;
- CalC_R = CalC0_R;
- VerC_R = RstLdEnVerniersC0_R;
- } else if( f_BLane_u32 < 8 ) {
- f_BLane_u32 -= 4;
- MeasStat_R = MeasStatusC1_R;
- CalC_R = CalC1_R;
- VerC_R = RstLdEnVerniersC1_R;
- } else if( f_BLane_u32 < 12 ) {
- f_BLane_u32 -= 8;
- MeasStat_R = MeasStatusC2_R;
- CalC_R = CalC2_R;
- VerC_R = RstLdEnVerniersC2_R;
- } else if( f_BLane_u32 == 16 ) {
- f_BLane_u32 = 4;
- MeasStat_R = MeasStatusC1_R;
- CalC_R = CalC1_R;
- VerC_R = RstLdEnVerniersC1_R;
- } else if( f_BLane_u32 == 17 ) {
- f_BLane_u32 = 4;
- MeasStat_R = MeasStatusC3_R;
- CalC_R = CalC3_R;
- VerC_R = RstLdEnVerniersC3_R;
- } else {
- f_BLane_u32 -= 12;
- MeasStat_R = MeasStatusC3_R;
- CalC_R = CalC3_R;
- VerC_R = RstLdEnVerniersC3_R;
- }
-
- shft = (uint32_t) 28 - ( f_BLane_u32 * 4 );
-
- /*
- * start auto calibration logic & wait for completion
- */
- or32_ci( MeasStat_R, IBIT(0) );
-
- do {
- l_MeasStat_u32 = load32_ci( MeasStat_R );
- } while( ( l_MeasStat_u32 & IBIT(0) ) == 1 );
-
- l_CalConf0_u32 = CalConf0_V;
- store32_ci( CalConf0_R, l_CalConf0_u32 );
-
- for( v = 0x000; v < (uint32_t) 0x100; v++ ) {
- store32_ci( VerC_R, ( v << 24 ) | ( v << 16 ) );
-
- l_MemProgCntl_u32 = MemProgCntl_V;
- l_MemProgCntl_u32 |=
- ( (uint32_t) 0x00800000 >> f_Rank_u32 );
- store32_ci( MemProgCntl_R, l_MemProgCntl_u32 );
-
- do {
- l_MemProgCntl_u32 = load32_ci( MemProgCntl_R );
- } while( ( l_MemProgCntl_u32 & IBIT(1) ) == 0 );
-
- l_CalC_u32 = ( ( load32_ci( CalC_R ) >> shft ) &
- (uint32_t) 0xf );
-
- if( l_CalC_u32 != (uint32_t) 0xa ) {
- v--;
- break;
- }
-
- }
-
- if( v == (uint32_t) 0x100 ) {
- v = (uint32_t) ~1;
- }
-
- return v;
-}
-#endif
-
-static uint32_t
-u4_RMDF_BLane( uint32_t f_Rank_u32, uint32_t f_BLane_u32 )
-{
- static const uint32_t MemProgCntl_V = (uint32_t) 0x80000f00;
- static const uint32_t CalConf0_V = (uint32_t) 0x0000ac10;
- uint32_t l_MemProgCntl_u32;
- uint32_t l_CalConf0_u32;
- uint32_t l_MeasStat_u32;
- uint32_t l_CalC_u32;
- uint64_t MeasStat_R;
- uint64_t CalC_R;
- uint64_t VerC_R;
- uint32_t shft;
- uint32_t v;
-
- if( f_BLane_u32 < 4 ) {
- MeasStat_R = MeasStatusC0_R;
- CalC_R = CalC0_R;
- VerC_R = RstLdEnVerniersC0_R;
- } else if( f_BLane_u32 < 8 ) {
- f_BLane_u32 -= 4;
- MeasStat_R = MeasStatusC1_R;
- CalC_R = CalC1_R;
- VerC_R = RstLdEnVerniersC1_R;
- } else if( f_BLane_u32 < 12 ) {
- f_BLane_u32 -= 8;
- MeasStat_R = MeasStatusC2_R;
- CalC_R = CalC2_R;
- VerC_R = RstLdEnVerniersC2_R;
- } else if( f_BLane_u32 == 16 ) {
- f_BLane_u32 = 4;
- MeasStat_R = MeasStatusC1_R;
- CalC_R = CalC1_R;
- VerC_R = RstLdEnVerniersC1_R;
- } else if( f_BLane_u32 == 17 ) {
- f_BLane_u32 = 4;
- MeasStat_R = MeasStatusC3_R;
- CalC_R = CalC3_R;
- VerC_R = RstLdEnVerniersC3_R;
- } else {
- f_BLane_u32 -= 12;
- MeasStat_R = MeasStatusC3_R;
- CalC_R = CalC3_R;
- VerC_R = RstLdEnVerniersC3_R;
- }
-
- shft = (uint32_t) 28 - ( f_BLane_u32 * 4 );
-
- /*
- * start auto calibration logic & wait for completion
- */
- or32_ci( MeasStat_R, IBIT(0) );
-
- do {
- l_MeasStat_u32 = load32_ci( MeasStat_R );
- } while( ( l_MeasStat_u32 & IBIT(0) ) == 1 );
-
- l_CalConf0_u32 = CalConf0_V;
- l_CalConf0_u32 |= ( f_BLane_u32 << 5 );
- store32_ci( CalConf0_R, l_CalConf0_u32 );
-
- for( v = 0x000; v < (uint32_t) 0x100; v++ ) {
- store32_ci( VerC_R, ( v << 24 ) | ( v << 16 ) );
-
- l_MemProgCntl_u32 = MemProgCntl_V;
- l_MemProgCntl_u32 |=
- ( (uint32_t) 0x00800000 >> f_Rank_u32 );
- store32_ci( MemProgCntl_R, l_MemProgCntl_u32 );
-
- do {
- l_MemProgCntl_u32 = load32_ci( MemProgCntl_R );
- } while( ( l_MemProgCntl_u32 & IBIT(1) ) == 0 );
-
- l_CalC_u32 = ( ( load32_ci( CalC_R ) >> shft ) &
- (uint32_t) 0xf );
-
- if( l_CalC_u32 != (uint32_t) 0xa ) {
- v--;
- break;
- }
-
- }
-
- if( v == (uint32_t) 0x100 ) {
- v = (uint32_t) ~1;
- }
-
- return v;
-}
-
-static int32_t
-u4_RMDF_Rank( uint32_t f_Rank_u32,
- uint32_t *f_Buf_pu32 )
-{
- int32_t l_Err_pi32 = 0;
- uint32_t b;
-
- for( b = 0; ( b < MAX_BLANE ) && ( l_Err_pi32 == 0 ); b++ ) {
- f_Buf_pu32[b] = u4_RMDF_BLane( f_Rank_u32, b );
-
- if( f_Buf_pu32[b] == (uint32_t) ~0 ) {
- f_Buf_pu32[b] = 0;
- l_Err_pi32++;
- } else if( f_Buf_pu32[b] == (uint32_t) ~1 ) {
- f_Buf_pu32[b] = (uint32_t) 0xff;
- l_Err_pi32++;
- }
-
- }
-
- return l_Err_pi32;
-}
-
-static int32_t
-u4_auto_calib_MemBus( auto_calib_t *f_ac_pt )
-{
- uint32_t RdMacDly, RdMacCnt;
- uint32_t ResMuxDly, ResMuxCnt;
- uint32_t RdPipeDly;
- uint32_t l_Buf_pu32[MAX_DRANKS][MAX_BLANE];
- uint32_t l_Rnk_pu32[MAX_DRANKS];
- uint32_t l_Ver_u32;
- int32_t l_Err_i32;
- uint32_t bidx;
- uint32_t n, r, b;
-
- /*
- * read starting delays out of the MemBus register
- */
- RdMacDly = ( load32_ci( MemBusCnfg_R ) >> 28 ) & 0xf;
- ResMuxDly = ( load32_ci( MemBusCnfg_R ) >> 24 ) & 0xf;
-
- /*
- * initialize ranks as not populated
- */
- for( r = 0; r < MAX_DRANKS; r++ ) {
- l_Rnk_pu32[r] = 0;
- }
-
- /*
- * run through every possible delays of
- * RdMacDly, ResMuxDly & RdPipeDly until
- * the first working configuration is found
- */
- RdPipeDly = 0;
- do {
- and32_ci( MemBusCnfg2_R, ~0x3 );
- or32_ci( MemBusCnfg2_R, RdPipeDly );
-
- RdMacCnt = RdMacDly;
- ResMuxCnt = ResMuxDly;
-
- /*
- * RdMacDly >= ResMuxDly
- */
- do {
- and32_ci( MemBusCnfg_R, ( 1 << 24 ) - 1 );
- or32_ci( MemBusCnfg_R, ( RdMacCnt << 28 ) |
- ( ResMuxCnt << 24 ) );
- and32_ci( MemBusCnfg2_R, ( 1 << 28 ) - 1 );
- or32_ci( MemBusCnfg2_R, ( RdMacCnt << 28 ) );
-
- /*
- * check the current value for every installed
- * DIMM on each side for every bytelane
- */
- l_Err_i32 = 0;
- for( n = 0;
- ( n < NUM_SLOTS ) &&
- ( l_Err_i32 == 0 );
- n += 2 ) {
-
- if( m_dimm[n].m_pop_u32 ) {
- /*
- * run through all 18 bytelanes of every rank
- */
- for( r = n;
- ( r < n + m_dimm[n].m_rank_u32 ) &&
- ( l_Err_i32 == 0 );
- r++ ) {
- l_Rnk_pu32[r] = 1;
-
- l_Err_i32 =
- u4_RMDF_Rank( r,
- &l_Buf_pu32[r][0] );
- }
-
- }
-
- }
-
- /*
- * decrementation before exit is wanted!
- */
- RdMacCnt--;
- ResMuxCnt--;
- } while( ( ResMuxCnt > 0 ) &&
- ( l_Err_i32 != 0 ) );
-
- if( l_Err_i32 != 0 ) {
- RdPipeDly++;
- }
-
- } while( ( RdPipeDly < 4 ) &&
- ( l_Err_i32 != 0 ) );
-
- /*
- * if l_Err_pi32 == 0 the auto calibration passed ok
- */
- if( l_Err_i32 != 0 ) {
- return RET_ERR;
- }
-
- /*
- * insert delay values into return struct
- */
- and32_ci( MemBusCnfg_R, ( 1 << 24 ) - 1 );
- or32_ci( MemBusCnfg_R, ( RdMacCnt << 28 ) |
- ( ResMuxCnt << 24 ) );
- and32_ci( MemBusCnfg2_R, ( ( 1 << 28 ) - 1 ) & ~0x3 );
- or32_ci( MemBusCnfg2_R, ( RdMacCnt << 28 ) | RdPipeDly );
-
- f_ac_pt->m_MemBusCnfg_u32 = load32_ci( MemBusCnfg_R );
- f_ac_pt->m_MemBusCnfg2_u32 = load32_ci( MemBusCnfg2_R );
-
- /*
- * calculate the average vernier setting for the
- * bytelanes which share one vernier
- */
- for( b = 0; b < MAX_BLANE - 2; b += 2 ) {
- n = 0;
- l_Ver_u32 = 0;
-
- for( r = 0; r < MAX_DRANKS; r++ ) {
- /*
- * calculation is done or populated ranks only
- */
- if( l_Rnk_pu32[r] != 0 ) {
- /*
- * calculate average value
- */
- l_Ver_u32 += l_Buf_pu32[r][b];
- l_Ver_u32 += l_Buf_pu32[r][b+1];
- n += 2;
-
- if( b == 4 ) {
- l_Ver_u32 += l_Buf_pu32[r][16];
- n++;
- } else if( b == 12 ) {
- l_Ver_u32 += l_Buf_pu32[r][17];
- n++;
- }
-
- }
-
- }
-
- /*
- * average the values
- */
- l_Ver_u32 /= n;
-
- /*
- * set appropriate vernier register for
- * the current bytelane
- */
- bidx = ( b >> 2 );
- if( ( b & (uint32_t) 0x3 ) == 0 ) {
- l_Ver_u32 <<= 24;
- f_ac_pt->m_RstLdEnVerniers_pu32[bidx] = l_Ver_u32;
- } else {
- l_Ver_u32 <<= 16;
- f_ac_pt->m_RstLdEnVerniers_pu32[bidx] |= l_Ver_u32;
- }
-
- }
-
- return RET_OK;
-}
-
-static int32_t
-u4_auto_calib( auto_calib_t *f_ac_pt )
-{
- uint32_t l_MemBusCnfg_S;
- uint32_t l_MemBusCnfg2_S;
- uint32_t l_RstLdEnVerniers_S[4];
- int32_t l_Ret_i32;
-
- /*
- * save manipulated registers
- */
- l_MemBusCnfg_S = load32_ci( MemBusCnfg_R );
- l_MemBusCnfg2_S = load32_ci( MemBusCnfg2_R );
- l_RstLdEnVerniers_S[0] = load32_ci( RstLdEnVerniersC0_R );
- l_RstLdEnVerniers_S[1] = load32_ci( RstLdEnVerniersC1_R );
- l_RstLdEnVerniers_S[2] = load32_ci( RstLdEnVerniersC2_R );
- l_RstLdEnVerniers_S[3] = load32_ci( RstLdEnVerniersC3_R );
-
- u4_auto_calib_init();
- l_Ret_i32 = u4_auto_calib_MemBus( f_ac_pt );
-
- /*
- * restore manipulated registers
- */
- store32_ci( MemBusCnfg_R, l_MemBusCnfg_S );
- store32_ci( MemBusCnfg2_R, l_MemBusCnfg2_S );
- store32_ci( RstLdEnVerniersC0_R, l_RstLdEnVerniers_S[0] );
- store32_ci( RstLdEnVerniersC1_R, l_RstLdEnVerniers_S[1] );
- store32_ci( RstLdEnVerniersC2_R, l_RstLdEnVerniers_S[2] );
- store32_ci( RstLdEnVerniersC3_R, l_RstLdEnVerniers_S[3] );
-
- return l_Ret_i32;
-}
-
-static int32_t
-u4_checkeccerr( eccerror_t *f_ecc_pt )
-{
- uint32_t l_val_u32;
- int32_t ret = RET_OK;
-
- l_val_u32 = load32_ci( MESR_R );
- l_val_u32 >>= 29;
-
- if( ( l_val_u32 & (uint32_t) 0x7 ) != 0 ) {
-
- if( ( l_val_u32 & (uint32_t) 0x4 ) != 0 ) {
- /* UE */
- ret = RET_ACERR_UE;
- } else if( ( l_val_u32 & (uint32_t) 0x1 ) != 0 ) {
- /* UEWT */
- ret = RET_ACERR_UEWT;
- } else {
- /* CE */
- ret = RET_ACERR_CE;
- }
-
- }
-
- f_ecc_pt->m_err_i32 = ret;
-
- l_val_u32 = load32_ci( MEAR1_R );
- f_ecc_pt->m_uecnt_u32 = ( ( l_val_u32 >> 24 ) & (uint32_t) 0xff );
- f_ecc_pt->m_cecnt_u32 = ( ( l_val_u32 >> 16 ) & (uint32_t) 0xff );
-
- l_val_u32 = load32_ci( MEAR0_R );
- f_ecc_pt->m_rank_u32 = ( ( l_val_u32 >> 29 ) & (uint32_t) 0x7 );
- f_ecc_pt->m_col_u32 = ( ( l_val_u32 >> 18 ) & (uint32_t) 0x7ff );
- f_ecc_pt->m_row_u32 = ( ( l_val_u32 >> 0 ) & (uint32_t) 0x7fff );
- f_ecc_pt->m_bank_u32 = ( ( l_val_u32 >> 15 ) & (uint32_t) 0x7 );
-
- return ret;
-}
-
-static uint32_t
-u4_CalcScrubEnd( void )
-{
- uint64_t l_scrend_u64 = m_memsize_u64;
-
- /*
- * check for memory hole at 2GB
- */
- if( l_scrend_u64 > _2GB ) {
- l_scrend_u64 += _2GB;
- }
-
- l_scrend_u64 -= 0x40;
- l_scrend_u64 /= 0x10;
-
- return( (uint32_t) l_scrend_u64 );
-}
-
-static int32_t
-u4_Scrub( uint32_t f_scrub_u32, uint32_t f_pattern_u32, eccerror_t *f_eccerr_pt )
-{
- uint32_t i;
- int32_t ret;
-
- /*
- * setup scrub parameters
- */
- store32_ci( MSCR_R, 0 ); // stop scrub
- store32_ci( MSRSR_R, 0x0 ); // set start
- store32_ci( MSRER_R, u4_CalcScrubEnd() ); // set end
- store32_ci( MSPR_R, f_pattern_u32 ); // set pattern
-
- /*
- * clear out ECC error registers
- */
- store32_ci( MEAR0_R, 0x0 );
- store32_ci( MEAR1_R, 0x0 );
- store32_ci( MESR_R, 0x0 );
-
- /*
- * Setup Scrub Type
- */
- store32_ci( MSCR_R, f_scrub_u32 );
-
- if( f_scrub_u32 != BACKGROUND_SCRUB ) {
- /*
- * wait for scrub to complete
- */
- do {
- progbar();
- dly( 15000000 );
- i = load32_ci( MSCR_R );
- } while( ( i & f_scrub_u32 ) != 0 );
-
- ret = u4_checkeccerr( f_eccerr_pt );
- } else {
- ret = RET_OK;
- }
-
- return ret;
-}
-
-static eccerror_t
-u4_InitialScrub( void )
-{
- eccerror_t l_eccerr_st[2];
- int32_t l_err_i32[2] = { 0, 0 };
-
- l_err_i32[0] = u4_Scrub( IMMEDIATE_SCRUB_WITH_FILL, 0x0, &l_eccerr_st[0] );
-
- if( l_err_i32[0] >= -1 /*CE*/ ) {
- l_err_i32[1] = u4_Scrub( IMMEDIATE_SCRUB, 0x0, &l_eccerr_st[1] );
- }
-
- if( l_err_i32[0] < l_err_i32[1] ) {
- return l_eccerr_st[0];
- } else {
- return l_eccerr_st[1];
- }
-
-}
-
-/*
- * RND: calculates Timer cycles from the given frequency
- * divided by the clock frequency. Values are rounded
- * up to the nearest integer value if the division is not even.
- */
-#define RND( tXXX ) ( ( ( tXXX ) + tCK - 1 ) / tCK )
-
-static void
-u4_MemInitSequence( uint32_t tRP, uint32_t tWR, uint32_t tRFC, uint32_t CL,
- uint32_t tCK, uint32_t TD )
-{
- /*
- * DIMM init sequence
- */
- static const uint32_t INI_SEQ[] = {
- 0xa0000400, 0x80020000, 0x80030000, 0x80010404,
- 0x8000100a, 0xa0000400, 0x90000000, 0x90000000,
- 0x8ff0100a, 0x80010784, 0x80010404, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000
- };
-
- uint32_t l_MemInit_u32;
- uint64_t r;
- uint32_t i;
-
- for( r = MemInit00_R, i = 0; r <= MemInit15_R; r += 0x10, i++ ) {
- l_MemInit_u32 = INI_SEQ[i];
-
- switch( i ) {
- case 0:
- case 5: {
- l_MemInit_u32 |= ( ( RND( tRP ) - TD ) << 20 );
- break;
- }
- case 3: {
- store32_ci( EMRSRegCntl_R, l_MemInit_u32 &
- (uint32_t) 0xffff );
- break;
- }
- case 4: {
- l_MemInit_u32 |= IBIT(23);
- }
- case 8: {
- l_MemInit_u32 |= ( ( RND( tWR ) - 1 ) << 9 );
- l_MemInit_u32 |= ( CL << 4 );
-
- store32_ci( MRSRegCntl_R, l_MemInit_u32 &
- (uint32_t) 0xffff );
- break;
- }
- case 6:
- case 7: {
- l_MemInit_u32 |= ( ( RND( tRFC ) - TD ) << 20 );
- break;
- }
-
- }
-
- store32_ci( r, l_MemInit_u32 );
-
-#ifdef U4_SHOW_REGS
- printf( "\r\nMemInit%02d (0x%04X): 0x%08X", i, (uint16_t) r, l_MemInit_u32 );
-#endif
- }
-#ifdef U4_SHOW_REGS
- printf( "\r\n" );
-#endif
- /*
- * Kick off memory init sequence & wait for completion
- */
- store32_ci( MemProgCntl_R, IBIT(0) );
-
- do {
- i = load32_ci( MemProgCntl_R );
- } while( ( i & IBIT(1) ) == 0 );
-
-}
-
-/*
- * static DIMM configuartion settings
- */
-static reg_statics_t reg_statics_maui[NUM_SPEED_IDX] = {
- { /* 400 Mhz */
- .RRMux = 1,
- .WRMux = 1,
- .WWMux = 1,
- .RWMux = 1,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x60000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x34000000,
- .CKDelayU = 0x34000000,
-
- .MemBusCnfg = 0x00000050 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 2 ) << 24 ) ),
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 533 Mhz */
- .RRMux = 1,
- .WRMux = 1,
- .WWMux = 1,
- .RWMux = 1,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x60000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x18000000,
- .CKDelayU = 0x18000000,
-
- .MemBusCnfg = 0x00002070 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 3 ) << 24 ) ),
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
-
- 0x12000000, 0x12000000, 0x12000000 , 0x12000000,
- 0x12000000, 0x12000000, 0x12000000 , 0x12000000,
- 0x12000000, 0x12000000, 0x12000000 , 0x12000000,
- 0x12000000, 0x12000000, 0x12000000 , 0x12000000,
- 0x12000000, 0x12000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000 , 0x00000000,
- 0x00000000, 0x00000000, 0x00000000 , 0x00000000,
- 0x00000000, 0x00000000, 0x00000000 , 0x00000000,
- 0x00000000, 0x00000000, 0x00000000 , 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 667 Mhz */
- .RRMux = 1,
- .WRMux = 1,
- .WWMux = 1,
- .RWMux = 3,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x60000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x0a000000,
- .CKDelayU = 0x0a000000,
-
- .MemBusCnfg = 0x000040a0 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 3 ) << 24 ) ),
-
- .CAS1Dly0 = 2,
- .CAS1Dly1 = 2,
-
- .ByteWrClkDel = {
-
- 0x12000000, 0x12000000, 0x12000000, 0x12000000,
- 0x12000000, 0x12000000, 0x12000000, 0x12000000,
- 0x12000000, 0x12000000, 0x12000000, 0x12000000,
- 0x12000000, 0x12000000, 0x12000000, 0x12000000,
- 0x12000000, 0x12000000
-/*
- 0x31000000, 0x31000000, 0x31000000, 0x31000000,
- 0x31000000, 0x31000000, 0x31000000, 0x31000000,
- 0x31000000, 0x31000000, 0x31000000, 0x31000000,
- 0x31000000, 0x31000000, 0x31000000, 0x31000000,
- 0x31000000, 0x31000000
-*/
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- }
-};
-
-static reg_statics_t reg_statics_bimini[NUM_SPEED_IDX] = {
- { /* 400 Mhz */
- .RRMux = 2,
- .WRMux = 2,
- .WWMux = 2,
- .RWMux = 2,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x40000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x00000000,
- .CKDelayU = 0x28000000,
-
- .MemBusCnfg = 0x00552070 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 2 ) << 24 ) ),
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 533 Mhz */
- .RRMux = 3,
- .WRMux = 3,
- .WWMux = 3,
- .RWMux = 3,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x40000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x00000000,
- .CKDelayU = 0x20000000,
-
- .MemBusCnfg = 0x00644190 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 3 ) << 24 ) ),
-
- .CAS1Dly0 = 2,
- .CAS1Dly1 = 2,
-
- .ByteWrClkDel = {
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 667 Mhz */
- .RRMux = 3,
- .WRMux = 3,
- .WWMux = 3,
- .RWMux = 3,
-
- .MemRdQCnfg = 0x20020820,
- .MemWrQCnfg = 0x40041040,
- .MemQArb = 0x00000000,
- .MemRWArb = 0x30413cc0,
-
- .ODTCntl = 0x40000000,
- .IOPadCntl = 0x001a4000,
- .MemPhyModeCntl = 0x00000000,
- .OCDCalCntl = 0x00000000,
- .OCDCalCmd = 0x00000000,
-
- .CKDelayL = 0x00000000,
- .CKDelayU = 0x00000000,
-
- .MemBusCnfg = 0x00666270 |
- ( ( MAX_RMD << 28 ) |
- ( ( MAX_RMD - 3 ) << 24 ) ),
-
- .CAS1Dly0 = 2,
- .CAS1Dly1 = 2,
-
- .ByteWrClkDel = {
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000, 0x14000000, 0x14000000,
- 0x14000000, 0x14000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- }
-};
-
-static reg_statics_t reg_statics_kauai[NUM_SPEED_IDX] = {
- { /* 400 Mhz */
- .RRMux = 0,
- .WRMux = 0,
- .WWMux = 0,
- .RWMux = 0,
-
- .MemRdQCnfg = 0,
- .MemWrQCnfg = 0,
- .MemQArb = 0,
- .MemRWArb = 0,
-
- .ODTCntl = 0,
- .IOPadCntl = 0,
- .MemPhyModeCntl = 0,
- .OCDCalCntl = 0,
- .OCDCalCmd = 0,
-
- .CKDelayL = 0,
- .CKDelayU = 0,
-
- .MemBusCnfg = 0,
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 533 Mhz */
- .RRMux = 0,
- .WRMux = 0,
- .WWMux = 0,
- .RWMux = 0,
-
- .MemRdQCnfg = 0,
- .MemWrQCnfg = 0,
- .MemQArb = 0,
- .MemRWArb = 0,
-
- .ODTCntl = 0,
- .IOPadCntl = 0,
- .MemPhyModeCntl = 0,
- .OCDCalCntl = 0,
- .OCDCalCmd = 0,
-
- .CKDelayL = 0,
- .CKDelayU = 0,
-
- .MemBusCnfg = 0,
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- },
- { /* 667 Mhz */
- .RRMux = 0,
- .WRMux = 0,
- .WWMux = 0,
- .RWMux = 0,
-
- .MemRdQCnfg = 0,
- .MemWrQCnfg = 0,
- .MemQArb = 0,
- .MemRWArb = 0,
-
- .ODTCntl = 0,
- .IOPadCntl = 0,
- .MemPhyModeCntl = 0,
- .OCDCalCntl = 0,
- .OCDCalCmd = 0,
-
- .CKDelayL = 0,
- .CKDelayU = 0,
-
- .MemBusCnfg = 0,
-
- .CAS1Dly0 = 0,
- .CAS1Dly1 = 0,
-
- .ByteWrClkDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- },
- .ReadStrobeDel = {
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000, 0x00000000, 0x00000000,
- 0x00000000, 0x00000000
- }
-
- }
-};
-
-static int32_t
-u4_start( eccerror_t *f_ecc_pt )
-{
- /*
- * maximum runs for auto calibration
- */
- static const uint32_t MAX_ACERR = (uint32_t) 5;
-
- /*
- * fixed u4/DIMM timer/timing values for calculation
- */
- static const uint32_t TD = (uint32_t) 2; // u4 delay cycles for loading a timer
- static const uint32_t AL = (uint32_t) 0; // additional latency (fix)
- static const uint32_t BL = (uint32_t) 4; // burst length (fix)
-
- uint32_t SPEED = m_gendimm.m_speed_pu32[m_dclidx_u32];
- uint32_t CL = m_gendimm.m_clval_pu32[m_dclidx_u32];
- uint32_t RL = AL + CL;
- uint32_t WL = RL - 1;
- uint32_t tCK = m_gendimm.m_tCK_pu32[m_dclidx_u32];
- uint32_t tRAS = m_gendimm.m_tRAS_u32;
- uint32_t tRTP = m_gendimm.m_tRTP_u32;
- uint32_t tRP = m_gendimm.m_tRP_u32;
- uint32_t tWR = m_gendimm.m_tWR_u32;
- uint32_t tRRD = m_gendimm.m_tRRD_u32;
- uint32_t tRC = m_gendimm.m_tRC_u32;
- uint32_t tRCD = m_gendimm.m_tRCD_u32;
- uint32_t tWTR = m_gendimm.m_tWTR_u32;
- uint32_t tRFC = m_gendimm.m_tRFC_u32;
- uint32_t tREF = m_gendimm.m_tREF_u32;
-
- reg_statics_t *rst = 0;
-
- uint32_t l_RAS0_u32;
- uint32_t l_RAS1_u32;
- uint32_t l_CAS0_u32;
- uint32_t l_CAS1_u32;
- uint32_t l_MemRfshCntl_u32;
- uint32_t l_UsrCnfg_u32;
- uint32_t l_DmCnfg_u32;
-
- uint32_t l_MemArbWt_u32;
- uint32_t l_MemRWArb_u32;
- uint32_t l_MemBusCnfg_u32;
-
- auto_calib_t l_ac_st;
- int32_t l_ac_i32;
- uint32_t l_acerr_i32;
- uint32_t sidx;
- uint32_t i, j, t0, t1;
-
- /*
- * set index for different 400/533/667 Mhz setup
- */
- switch( SPEED ) {
- case 400:
- case 533:
- case 667: {
- sidx = SPEED;
- sidx -= 400;
- sidx /= 133;
- break;
- }
-
- default: {
- #ifdef U4_DEBUG2
- printf( "\r\n-> DIMM speed of %03u not supported\r\n",
- m_gendimm.m_speed_pu32[m_dclidx_u32] );
- #endif
- return RET_ERR;
- }
-
- }
-
- /*
- * setup pointer to the static register settings
- */
- if( IS_MAUI ) {
- rst = &reg_statics_maui[sidx];
- } else if( IS_BIMINI ) {
- rst = &reg_statics_bimini[sidx];
- } else if( IS_KAUAI ) {
- rst = &reg_statics_kauai[sidx];
- }
-
- /*
- * Switch off Fast Path by default for all DIMMs
- * running with more than 400Mhz
- */
- if( SPEED == 400 ) {
- or32_ci( APIMemRdCfg_R, IBIT(30) );
- #ifdef U4_INFO
- printf( " [fastpath : ON]\r\n" );
- #endif
- } else {
- and32_ci( APIMemRdCfg_R, ~IBIT(30) );
- #ifdef U4_INFO
- printf( " [fastpath : OFF]\r\n" );
- #endif
- }
-
-
- #ifdef U4_INFO
- printf( " [register setup : ]" );
- #endif
-
- /*
- * setup RAS/CAS timers2
- * NOTE: subtract TD from all values because of the delay
- * caused by reloading timers (see spec)
- */
-
- /*
- * RAS Timer 0
- */
- // TiAtP = RND(tRAS) -> RAS0[0:4]
- l_RAS0_u32 = ( ( RND( tRAS ) - TD ) << 27 );
- // TiRtP = AL + BL/2 - 2 + RND(tRTP) -> RAS01[5:9]
- l_RAS0_u32 |= ( ( AL + BL/2 - 2 + RND( tRTP ) - TD ) << 22 );
- // TiWtP = WL + BL/2 + RND(tWR) -> RAS0[10:14]
- l_RAS0_u32 |= ( ( WL + BL/2 + RND( tWR ) - TD ) << 17 );
- // TiPtA = RND(tRP) -> RAS0[15:19]
- l_RAS0_u32 |= ( ( RND( tRP ) - TD ) << 12 );
- // TiPAtA = RND(tRP) or
- // RND(tRP) + 1 for 8 bank devices -> RAS0[20:24]
- if( m_gendimm.m_bankcnt_u32 <= 4 ) {
- l_RAS0_u32 |= ( ( RND( tRP ) - TD ) << 7 );
- } else {
- l_RAS0_u32 |= ( ( RND( tRP ) + 1 - TD ) << 7 );
- }
-
- /*
- * RAS Timer 1
- */
- // TiRAPtA = AL + BL/2 - 2 + RND(tRTP + tRP) -> RAS1[0:4]
- l_RAS1_u32 = ( ( AL + BL/2 - 2 + RND( tRTP + tRP ) - TD ) << 27 );
- // TiWAPtA = CL + AL + BL/2 - 1 + RND(tWR + tRP) -> RAS1[5:9]
- l_RAS1_u32 |= ( ( CL + AL + BL/2 - 1 + RND( tWR + tRP ) - TD ) << 22 );
- // TiAtARk = tRRD -> RAS1[10:14]
- l_RAS1_u32 |= ( ( RND( tRRD ) - TD ) << 17 );
- // TiAtABk = tRC -> RAS1[15:19]
- l_RAS1_u32 |= ( ( RND( tRC ) - TD ) << 12 );
- // TiAtRW = tRCD -> RAS1[20:24]
- l_RAS1_u32 |= ( ( RND( tRCD ) - TD ) << 7 );
- // TiSAtARk Win = 4 * tRRD + 2 -> RAS1[25:29]
- l_RAS1_u32 |= ( ( RND( 4 * tRRD ) + 2 - TD ) << 2 );
-
- /*
- * CAS Timer 0
- */
- // TiRtRRk = BL/2 -> CAS0[0:4]
- l_CAS0_u32 = ( ( BL/2 - TD ) << 27 );
- // TiRtRDm = BL/2 + 1 -> CAS0[5:9]
- l_CAS0_u32 |= ( ( BL/2 + 1 - TD ) << 22 );
- // TiRtRSy = BL/2 + RRMux -> CAS0[10:14]
- l_CAS0_u32 |= ( ( BL/2 + rst->RRMux - TD ) << 17 );
- // TiWtRRk = CL - 1 + BL/2 + tWTR ->CAS0[15:19]
- l_CAS0_u32 |= ( ( CL - 1 + BL/2 + RND( tWTR ) - TD ) << 12 );
- // TiWtRDm = BL/2 + 1 -> CAS0[20:24]
- l_CAS0_u32 |= ( ( BL/2 + 1 - TD ) << 7 );
- // TiWtRSy = BL/2 + WRMux -> CAS0[25:29]
- l_CAS0_u32 |= ( ( BL/2 + rst->WRMux - TD ) << 2 );
-
- /*
- * CAS Timer 1
- */
- // TiWtWRk = BL/2 -> CAS1[0:4]
- l_CAS1_u32 = ( ( BL/2 - TD ) << 27 );
- // TiWtWDm = BL/2 + 1 -> CAS1[5:9]
- l_CAS1_u32 |= ( ( BL/2 + 1 - TD ) << 22 );
- // TiWtWSy = BL/2 + WWMux -> CAS1[10:14]
- l_CAS1_u32 |= ( ( BL/2 + rst->WWMux - TD ) << 17 );
- // TiRtWRk = BL/2 + 2 -> CAS1[15:19]
- l_CAS1_u32 |= ( ( BL/2 + 2 + rst->CAS1Dly0 - TD ) << 12 );
- // TiRtWDm = BL/2 + 2 -> CAS1[20:24]
- l_CAS1_u32 |= ( ( BL/2 + 2 + rst->CAS1Dly1 - TD ) << 7 );
- // TiRtWSy = BL/2 + RWMux + 1 -> CAS1[25:29]
- l_CAS1_u32 |= ( ( BL/2 + rst->RWMux + 1 - TD ) << 2 );
-
- store32_ci( RASTimer0_R, l_RAS0_u32 );
- store32_ci( RASTimer1_R, l_RAS1_u32 );
- store32_ci( CASTimer0_R, l_CAS0_u32 );
- store32_ci( CASTimer1_R, l_CAS1_u32 );
-
- /*
- * Mem Refresh Control register
- */
- l_MemRfshCntl_u32 = ( ( ( tREF / tCK ) / 16 ) << 23 );
- l_MemRfshCntl_u32 |= ( ( RND( tRFC ) - TD ) << 8 );
- store32_ci( MemRfshCntl_R, l_MemRfshCntl_u32 );
-
- /*
- * setup DmXCnfg registers
- */
- store32_ci( Dm0Cnfg_R, (uint32_t) 0x0 );
- store32_ci( Dm1Cnfg_R, (uint32_t) 0x0 );
- store32_ci( Dm2Cnfg_R, (uint32_t) 0x0 );
- store32_ci( Dm3Cnfg_R, (uint32_t) 0x0 );
-
- /*
- * create DmCnfg & UsrCnfg values out of group data
- */
- l_UsrCnfg_u32 = 0;
- for( i = 0; i < m_dgrcnt_u32; i++ ) {
- l_DmCnfg_u32 = ( m_dgrptr[i]->m_add2g_u32 << 27 );
- l_DmCnfg_u32 |= ( m_dgrptr[i]->m_sub2g_u32 << 19 );
- l_DmCnfg_u32 |= ( m_dgrptr[i]->m_memmd_u32 << 12 );
- l_DmCnfg_u32 |= ( m_dgrptr[i]->m_start_u32 << 3 );
- l_DmCnfg_u32 |= ( m_dgrptr[i]->m_ss_u32 << 1 );
- l_DmCnfg_u32 |= IBIT(31); // enable bit
-
- /*
- * write value into DmXCnfg registers
- */
- for( j = 0; j < m_dgrptr[i]->m_dcnt_u32; j++ ) {
- t0 = m_dgrptr[i]->m_dptr[j]->m_bank_u32;
- t1 = Dm0Cnfg_R + 0x10 * t0;
-
- if( load32_ci( t1 ) == 0 ) {
- store32_ci( t1, l_DmCnfg_u32 );
- l_UsrCnfg_u32 |=
- ( m_dgrptr[i]->m_csmode_u32 << ( 30 - 2 * t0 ) );
- }
-
- }
-
- }
-
- /*
- * setup UsrCnfg register
- *- cs mode is selected above
- *- Interleave on L2 cache line
- *- Usually closed page policy
- */
- l_UsrCnfg_u32 |= IBIT(8); // interleave on L2 cache line
- l_UsrCnfg_u32 &= ~IBIT(9); // usually closed
- l_UsrCnfg_u32 |= IBIT(10);
- store32_ci( UsrCnfg_R, l_UsrCnfg_u32 );
-
- /*
- * Memory Arbiter Weight Register
- */
- // CohWt -> MemAWt[0:1]
- l_MemArbWt_u32 = ( (uint32_t) 1 << 30 );
- // NCohWt -> MemAWt[2:3]
- l_MemArbWt_u32 |= ( (uint32_t) 1 << 28 );
- // ScrbWt -> MemAWt[4:5]
- l_MemArbWt_u32 |= ( (uint32_t) 0 << 26 );
- store32_ci( MemArbWt_R, l_MemArbWt_u32 );
-
- /*
- * misc fixed register setup
- */
- store32_ci( ODTCntl_R, rst->ODTCntl );
- store32_ci( IOPadCntl_R, rst->IOPadCntl );
- store32_ci( MemPhyModeCntl_R, rst->MemPhyModeCntl );
- store32_ci( OCDCalCntl_R, rst->OCDCalCntl );
- store32_ci( OCDCalCmd_R, rst->OCDCalCmd );
-
- /*
- * CK Delay registers
- */
- store32_ci( CKDelayL_R, rst->CKDelayL );
- store32_ci( CKDelayU_R, rst->CKDelayU );
-
- /*
- * read/write strobe delays
- */
- store32_ci( ByteWrClkDelC0B00_R, rst->ByteWrClkDel[ 0] );
- store32_ci( ByteWrClkDelC0B01_R, rst->ByteWrClkDel[ 1] );
- store32_ci( ByteWrClkDelC0B02_R, rst->ByteWrClkDel[ 2] );
- store32_ci( ByteWrClkDelC0B03_R, rst->ByteWrClkDel[ 3] );
- store32_ci( ByteWrClkDelC0B04_R, rst->ByteWrClkDel[ 4] );
- store32_ci( ByteWrClkDelC0B05_R, rst->ByteWrClkDel[ 5] );
- store32_ci( ByteWrClkDelC0B06_R, rst->ByteWrClkDel[ 6] );
- store32_ci( ByteWrClkDelC0B07_R, rst->ByteWrClkDel[ 7] );
- store32_ci( ByteWrClkDelC0B16_R, rst->ByteWrClkDel[16] );
- store32_ci( ByteWrClkDelC0B08_R, rst->ByteWrClkDel[ 8] );
- store32_ci( ByteWrClkDelC0B09_R, rst->ByteWrClkDel[ 9] );
- store32_ci( ByteWrClkDelC0B10_R, rst->ByteWrClkDel[10] );
- store32_ci( ByteWrClkDelC0B11_R, rst->ByteWrClkDel[11] );
- store32_ci( ByteWrClkDelC0B12_R, rst->ByteWrClkDel[12] );
- store32_ci( ByteWrClkDelC0B13_R, rst->ByteWrClkDel[13] );
- store32_ci( ByteWrClkDelC0B14_R, rst->ByteWrClkDel[14] );
- store32_ci( ByteWrClkDelC0B15_R, rst->ByteWrClkDel[15] );
- store32_ci( ByteWrClkDelC0B17_R, rst->ByteWrClkDel[17] );
- store32_ci( ReadStrobeDelC0B00_R, rst->ReadStrobeDel[ 0] );
- store32_ci( ReadStrobeDelC0B01_R, rst->ReadStrobeDel[ 1] );
- store32_ci( ReadStrobeDelC0B02_R, rst->ReadStrobeDel[ 2] );
- store32_ci( ReadStrobeDelC0B03_R, rst->ReadStrobeDel[ 3] );
- store32_ci( ReadStrobeDelC0B04_R, rst->ReadStrobeDel[ 4] );
- store32_ci( ReadStrobeDelC0B05_R, rst->ReadStrobeDel[ 5] );
- store32_ci( ReadStrobeDelC0B06_R, rst->ReadStrobeDel[ 6] );
- store32_ci( ReadStrobeDelC0B07_R, rst->ReadStrobeDel[ 7] );
- store32_ci( ReadStrobeDelC0B16_R, rst->ReadStrobeDel[16] );
- store32_ci( ReadStrobeDelC0B08_R, rst->ReadStrobeDel[ 8] );
- store32_ci( ReadStrobeDelC0B09_R, rst->ReadStrobeDel[ 9] );
- store32_ci( ReadStrobeDelC0B10_R, rst->ReadStrobeDel[10] );
- store32_ci( ReadStrobeDelC0B11_R, rst->ReadStrobeDel[11] );
- store32_ci( ReadStrobeDelC0B12_R, rst->ReadStrobeDel[12] );
- store32_ci( ReadStrobeDelC0B13_R, rst->ReadStrobeDel[13] );
- store32_ci( ReadStrobeDelC0B14_R, rst->ReadStrobeDel[14] );
- store32_ci( ReadStrobeDelC0B15_R, rst->ReadStrobeDel[15] );
- store32_ci( ReadStrobeDelC0B17_R, rst->ReadStrobeDel[17] );
-
- /*
- * Mem Bus Configuration
- * initial setup used in auto calibration
- * final values will be written after
- * auto calibration has finished
- */
- l_MemBusCnfg_u32 = rst->MemBusCnfg;
-
-/* values calculation has been dropped, static values are used instead
- // WdbRqDly = 2 * (CL - 3) (registered DIMMs) -> MBC[16:19]
- l_MemBusCnfg_u32 += ( ( 2 * ( CL - 3 ) ) << 12 );
- // RdOEOnDly = 0 (typically)
- l_MemBusCnfg_u32 += ( ( 0 ) << 8 );
- // RdOEOffDly = (2 * CL) - 4 -> MBC[24:27]
- // NOTE: formula is not working, changed to:
- // RdOEOffDly = (2 * CL) - 1
- l_MemBusCnfg_u32 += ( ( ( 2 * CL ) - 1 ) << 4 );
-*/
-
- store32_ci( MemBusCnfg_R, l_MemBusCnfg_u32 );
- store32_ci( MemBusCnfg2_R, rst->MemBusCnfg & (uint32_t) 0xf0000000 );
-
- /*
- * reset verniers registers
- */
- store32_ci( RstLdEnVerniersC0_R, 0x0 );
- store32_ci( RstLdEnVerniersC1_R, 0x0 );
- store32_ci( RstLdEnVerniersC2_R, 0x0 );
- store32_ci( RstLdEnVerniersC3_R, 0x0 );
- store32_ci( ExtMuxVernier0_R, 0x0 );
- store32_ci( ExtMuxVernier1_R, 0x0 );
-
- /*
- * Queue Configuration
- */
- store32_ci( MemRdQCnfg_R, rst->MemRdQCnfg );
- store32_ci( MemWrQCnfg_R, rst->MemWrQCnfg );
- store32_ci( MemQArb_R, rst->MemQArb );
- store32_ci( MemRWArb_R, rst->MemRWArb );
-
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
- #endif
-
- /*
- * start up clocks & wait for pll2 to stabilize
- */
- #ifdef U4_INFO
- printf( " [start DDR clock : ]" );
- #endif
-
- store32_ci( MemModeCntl_R, IBIT(0) | IBIT(8) );
- dly( 50000000 );
-
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
-
- #endif
-
- /*
- * memory initialization sequence
- */
- #ifdef U4_INFO
- printf( " [memory init : ]" );
- #endif
- u4_MemInitSequence( tRP, tWR, tRFC, CL, tCK, TD );
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
- #endif
-
- /*
- * start ECC before auto calibration to enable ECC bytelane
- */
- store32_ci( MCCR_R, IBIT(0) );
- dly( 15000000 );
-
- /*
- * start up auto calibration
- */
- #ifdef U4_INFO
- printf( " [auto calibration: ]\b" );
- #endif
-
- /*
- * start auto calibration
- */
- l_acerr_i32 = 0;
- do {
- progbar();
-
- l_ac_i32 = u4_auto_calib( &l_ac_st );
-
- if( l_ac_i32 != 0 ) {
- l_acerr_i32++;
- }
-
- dly( 15000000 );
- } while( ( l_ac_i32 != 0 ) &&
- ( l_acerr_i32 <= MAX_ACERR ) );
-
- if( l_acerr_i32 > MAX_ACERR ) {
- #ifdef U4_INFO
- printf( "\b\b\bERR\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * insert auto calibration results
- */
- store32_ci( MemBusCnfg_R, l_ac_st.m_MemBusCnfg_u32 );
- store32_ci( MemBusCnfg2_R, l_ac_st.m_MemBusCnfg2_u32 );
- store32_ci( RstLdEnVerniersC0_R, l_ac_st.m_RstLdEnVerniers_pu32[0] );
- store32_ci( RstLdEnVerniersC1_R, l_ac_st.m_RstLdEnVerniers_pu32[1] );
- store32_ci( RstLdEnVerniersC2_R, l_ac_st.m_RstLdEnVerniers_pu32[2] );
- store32_ci( RstLdEnVerniersC3_R, l_ac_st.m_RstLdEnVerniers_pu32[3] );
-
- /*
- * insert final timing value into MemRWArb
- */
- l_MemRWArb_u32 = ( ( l_ac_st.m_MemBusCnfg_u32 >> 28 /*RdMacDel*/) + 1 );
- l_MemRWArb_u32 *= 10; // needed for rounding
- l_MemRWArb_u32 /= 2; // due to spec
- l_MemRWArb_u32 += 9; // round up
- l_MemRWArb_u32 /= 10; // value is rounded now
- l_MemRWArb_u32 = l_MemRWArb_u32 + 6 - WL - TD;
- l_MemRWArb_u32 |= rst->MemRWArb;
- store32_ci( MemRWArb_R, l_MemRWArb_u32 );
-
- progbar();
- dly( 15000000 );
-
- /*
- * do initial scrubbing
- */
- *f_ecc_pt = u4_InitialScrub();
-
- switch( f_ecc_pt->m_err_i32 ) {
- case RET_OK: {
- #ifdef U4_INFO
- printf( "\b\bOK\r\n" );
- #endif
- break;
- }
-
- case RET_ACERR_CE: {
- #ifdef U4_INFO
- printf( "\b\b\b\bWEAK][correctable errors during scrub (%u)]\r\n",
- f_ecc_pt->m_cecnt_u32 );
- #endif
- break;
- }
-
- case RET_ACERR_UEWT:
- case RET_ACERR_UE: {
- #ifdef U4_INFO
- printf( "\b\b\bERR][uncorrectable errors during scrub (%u)]\r\n",
- f_ecc_pt->m_uecnt_u32 );
- #endif
- return RET_ACERR_UE;
- }
-
- }
-
- /*
- * start continuous background scrub
- */
- #ifdef U4_INFO
- printf( " [background scrub: ]" );
- #endif
-
- u4_Scrub( BACKGROUND_SCRUB, 0, NULL );
-
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
- #endif
-
- /*
- * finally clear API Exception register
- * (read to clear)
- */
- load32_ci( APIExcp_R );
-
- return RET_OK;
-}
-
-#undef RND
-
-#if 0
-void
-u4_memtest(uint8_t argCnt, char *pArgs[], uint64_t flags)
-{
- #define TEND 99
- #define TCHK 100
- static const uint64_t _2GB = (uint64_t) 0x80000000;
- static const uint64_t _start = (uint64_t) 0x08000000; // 128Mb
- static const uint64_t _bsize = (uint64_t) 0x08000000; // 128MB
- static const uint64_t _line = (uint64_t) 128;
- static const uint64_t _256MB = (uint64_t) 0x10000000;
-
- static const uint64_t PATTERN[] = {
- 0x9090909090909090, 0x0020002000200020,
- 0x0c0c0c0c0c0c0c0c, 0x8080808080808080,
- 0x1004010004001041, 0x0000000000000000
- };
-
- uint64_t mend = (uint64_t) 0x200000000;//m_memsize_u64;
- uint64_t numblocks = ( mend - _start ) / _bsize; // 128Mb blocks
- uint64_t numlines = _bsize / _line;
- uint64_t tstate = 0;
- uint64_t tlast = 0;
- uint64_t pidx = 0;
- uint64_t rotr = 0;
- uint64_t rotl = 0;
- uint64_t block;
- uint64_t line;
- uint64_t addr;
- uint64_t i;
- uint64_t check = 0;
- uint64_t dcnt;
- uint64_t uerr = 0;
- uint64_t cerr = 0;
- uint64_t merr = 0;
- char c;
-
- printf( "\n\nU4 memory test" );
- printf( "\n--------------" );
-
- /*
- * mask out UEC & CEC
- */
- or32_ci( MCCR_R, IBIT(6) | IBIT(7) );
-
- while( PATTERN[pidx] ) {
-
- switch( tstate )
- {
- case 0: {
- printf( "\npattern fill 0x%08X%08X: ", (uint32_t) (PATTERN[pidx] >> 32), (uint32_t) PATTERN[pidx] );
-
- /*
- * first switch lines, then blocks. This way the CPU
- * is not able to cache data
- */
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- *( (uint64_t *) addr ) = PATTERN[pidx];
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
- printf( "*" );
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- check = PATTERN[pidx];
- tlast = 0;
- tstate = TCHK;
- } break;
-
- case 1: {
- uint64_t one;
-
- /*
- * new check pattern
-
- */
- one = ( ( check & 0x1 ) != 0 );
- check >>= 1;
- if( one ) {
- check |= 0x8000000000000000;
- }
-
- printf( "\nrotate right 0x%08X%08X: ", (uint32_t) (check >> 32), (uint32_t) check );
-
- /*
- * first switch lines, then blocks. This way the CPU
- * is not able to cache data
- */
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- *( (uint64_t *) addr ) >>= 1;
-
- if( one ) {
- *( (uint64_t *) addr ) |=
- (uint64_t) 0x8000000000000000;
- }
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
- printf( "*" );
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- tlast = 1;
- tstate = TCHK;
- } break;
-
- case 2: {
-
- if( rotr < 6 ) {
- rotr++;
- tstate = 1;
- } else {
- rotr = 0;
- tstate = 3;
- }
-
- } break;
-
- case 3: {
- /*
- * new check pattern
- */
- check ^= (uint64_t) ~0;
-
- printf( "\ninverting 0x%08X%08X: ", (uint32_t) (check >> 32), (uint32_t) check );
-
- /*
- * first switch lines, then blocks. This way the CPU
- * is not able to cache data
- */
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- *( (uint64_t *) addr ) ^= (uint64_t) ~0;
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
- printf( "*" );
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- tlast = 3;
- tstate = TCHK;
- } break;
-
- case 4: {
- uint64_t one;
-
- /*
- * new check pattern
- */
- one = ( ( check & 0x8000000000000000 ) != 0 );
- check <<= 1;
- if( one ) {
- check |= 0x1;
- }
-
- printf( "\nrotate left 0x%08X%08X: ", (uint32_t) (check >> 32), (uint32_t) check );
-
- /*
- * first switch lines, then blocks. This way the CPU
- * is not able to cache data
- */
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- *( (uint64_t *) addr ) <<= 1;
-
- if( one ) {
- *( (uint64_t *) addr ) |=
- (uint64_t) 0x1;
- }
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
- printf( "*" );
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- tlast = 4;
- tstate = TCHK;
- } break;
-
- case 5: {
-
- if( rotl < 6 ) {
- rotl++;
- tstate = 4;
- } else {
- rotl = 0;
- tstate = 6;
- }
-
- } break;
-
- case 6: {
- /*
- * new check pattern
- */
- check *= ~check;
- printf( "\nmultiply 0x%08X%08X: ", (uint32_t) (check >> 32), (uint32_t) check );
-
- /*
- * first switch lines, then blocks. This way the CPU
- * is not able to cache data
- */
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- *( (uint64_t *) addr ) *= ~( *( (uint64_t *) addr ) );
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
- printf( "*" );
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- tlast = TEND - 1;
- tstate = TCHK;
- } break;
-
- case TEND: {
- pidx++;
- tstate = 0;
- } break;
-
- case TCHK: {
- uint64_t err;
- /*
- * check data
- */
- printf( "\nchecking : " );
-
- for( line = 0, dcnt = 0; line < numlines; line++ ) {
-
- for( block = 0; block < numblocks; block++ ) {
-
- for( i = 0; i < _line; i += 8 ) {
- addr = _start +
- ( block * _bsize ) +
- ( line * _line ) +
- i;
-
- if( addr >= _2GB ) {
- addr += _2GB;
- }
-
- err = ( *( (uint64_t *) addr ) != check );
-
- if( err ) {
- merr++;
- }
-
- /*
- * print out a dot every 256Mb
- */
- dcnt += 8;
- if( dcnt == _256MB ) {
- dcnt = 0;
-
- if( err ) {
- printf( "X" );
- } else {
- printf( "*" );
- }
-
- if( io_getchar( &c ) ) {
- goto mtend;
- }
-
- }
-
- }
-
- }
-
- }
-
- err = (uint64_t) load32_ci( MEAR1_R );
- uerr += ( err >> 24 ) & (uint64_t) 0xff;
- cerr += ( err >> 16 ) & (uint64_t) 0xff;
-
- printf( " (UE: %02llX, CE: %02llX)", ( err >> 24 ) & (uint64_t) 0xff, ( err >> 16 ) & (uint64_t) 0xff );
-
- tstate = tlast + 1;
- tlast = TCHK;
- } break;
-
- }
-
- }
-
-mtend:
- printf( "\n\nmemory test results" );
- printf( "\n-------------------" );
- printf( "\nuncorrectable errors: %u", (uint32_t) uerr );
- printf( "\ncorrectable errors : %u", (uint32_t) cerr );
- printf( "\nread/write errors : %u\n", (uint32_t) merr );
-
- and32_ci( MCCR_R, ~( IBIT(6) | IBIT(7) ) );
-}
-#endif
-
-#if 0
-void
-u4_dump(uint8_t argCnt, char *pArgs[], uint64_t flags)
-{
- printf( "\r\n*** u4 register dump ***\r\n\n" );
- printf( "register (offset): value\r\n" );
- printf( "----------------------------------\r\n" );
- printf( "Clock Control (0x%04X): 0x%08X\r\n", (uint16_t) ClkCntl_R, load32_ci( ClkCntl_R ) );
- printf( "PLL2 Control (0x%04X): 0x%08X\r\n", (uint16_t) PLL2Cntl_R, load32_ci( PLL2Cntl_R ) );
- printf( "MemModeCntl (0x%04X): 0x%08X\r\n", (uint16_t) MemModeCntl_R, load32_ci( MemModeCntl_R ) );
- printf( "RASTimer0 (0x%04X): 0x%08X\r\n", (uint16_t) RASTimer0_R, load32_ci( RASTimer0_R ) );
- printf( "RASTimer1 (0x%04X): 0x%08X\r\n", (uint16_t) RASTimer1_R, load32_ci( RASTimer1_R ) );
- printf( "CASTimer0 (0x%04X): 0x%08X\r\n", (uint16_t) CASTimer0_R, load32_ci( CASTimer0_R ) );
- printf( "CASTimer1 (0x%04X): 0x%08X\r\n", (uint16_t) CASTimer1_R, load32_ci( CASTimer1_R ) );
- printf( "MemRfshCntl (0x%04X): 0x%08X\r\n", (uint16_t) MemRfshCntl_R, load32_ci( MemRfshCntl_R ) );
- printf( "Dm0Cnfg (0x%04X): 0x%08X\r\n", (uint16_t) Dm0Cnfg_R, load32_ci( Dm0Cnfg_R ) );
- printf( "Dm1Cnfg (0x%04X): 0x%08X\r\n", (uint16_t) Dm1Cnfg_R, load32_ci( Dm1Cnfg_R ) );
- printf( "Dm2Cnfg (0x%04X): 0x%08X\r\n", (uint16_t) Dm2Cnfg_R, load32_ci( Dm2Cnfg_R ) );
- printf( "Dm3Cnfg (0x%04X): 0x%08X\r\n", (uint16_t) Dm3Cnfg_R, load32_ci( Dm3Cnfg_R ) );
- printf( "UsrCnfg (0x%04X): 0x%08X\r\n", (uint16_t) UsrCnfg_R, load32_ci( UsrCnfg_R ) );
- printf( "MemArbWt (0x%04X): 0x%08X\r\n", (uint16_t) MemArbWt_R, load32_ci( MemArbWt_R ) );
- printf( "ODTCntl (0x%04X): 0x%08X\r\n", (uint16_t) ODTCntl_R, load32_ci( ODTCntl_R ) );
- printf( "IOPadCntl (0x%04X): 0x%08X\r\n", (uint16_t) IOPadCntl_R, load32_ci( IOPadCntl_R ) );
- printf( "MemPhyMode (0x%04X): 0x%08X\r\n", (uint16_t) MemPhyModeCntl_R, load32_ci( MemPhyModeCntl_R ) );
- printf( "OCDCalCntl (0x%04X): 0x%08X\r\n", (uint16_t) OCDCalCntl_R, load32_ci( OCDCalCntl_R ) );
- printf( "OCDCalCmd (0x%04X): 0x%08X\r\n", (uint16_t) OCDCalCmd_R, load32_ci( OCDCalCmd_R ) );
- printf( "CKDelayL (0x%04X): 0x%08X\r\n", (uint16_t) CKDelayL_R, load32_ci( CKDelayL_R ) );
- printf( "CKDelayH (0x%04X): 0x%08X\r\n", (uint16_t) CKDelayU_R, load32_ci( CKDelayU_R ) );
- printf( "MemBusCnfg (0x%04X): 0x%08X\r\n", (uint16_t) MemBusCnfg_R, load32_ci( MemBusCnfg_R ) );
- printf( "MemBusCnfg2 (0x%04X): 0x%08X\r\n", (uint16_t) MemBusCnfg2_R, load32_ci( MemBusCnfg2_R ) );
- printf( "MemRdQCnfg (0x%04X): 0x%08X\r\n", (uint16_t) MemRdQCnfg_R, load32_ci( MemRdQCnfg_R ) );
- printf( "MemWrQCnfg (0x%04X): 0x%08X\r\n", (uint16_t) MemWrQCnfg_R, load32_ci( MemWrQCnfg_R ) );
- printf( "MemQArb (0x%04X): 0x%08X\r\n", (uint16_t) MemQArb_R, load32_ci( MemQArb_R ) );
- printf( "MemRWArb (0x%04X): 0x%08X\r\n", (uint16_t) MemRWArb_R, load32_ci( MemRWArb_R ) );
- printf( "ByteWrClkDel (0x%04X): 0x%08X\r\n", (uint16_t) ByteWrClkDelC0B00_R, load32_ci( ByteWrClkDelC0B00_R ) );
- printf( "ReadStrobeDel (0x%04X): 0x%08X\r\n", (uint16_t) ReadStrobeDelC0B00_R, load32_ci( ReadStrobeDelC0B00_R ) );
- printf( "RstLdEnVerC0 (0x%04X): 0x%08X\r\n", (uint16_t) RstLdEnVerniersC0_R, load32_ci( RstLdEnVerniersC0_R ) );
- printf( "RstLdEnVerC1 (0x%04X): 0x%08X\r\n", (uint16_t) RstLdEnVerniersC1_R, load32_ci( RstLdEnVerniersC1_R ) );
- printf( "RstLdEnVerC2 (0x%04X): 0x%08X\r\n", (uint16_t) RstLdEnVerniersC2_R, load32_ci( RstLdEnVerniersC2_R ) );
- printf( "RstLdEnVerC3 (0x%04X): 0x%08X\r\n", (uint16_t) RstLdEnVerniersC3_R, load32_ci( RstLdEnVerniersC3_R ) );
- printf( "APIMemRdCfg (0x%04X): 0x%08X\r\n", (uint16_t) APIMemRdCfg_R, load32_ci( APIMemRdCfg_R ) );
- printf( "scrub start (0x%04X): 0x%08X\r\n", (uint16_t) MSRSR_R, load32_ci( MSRSR_R ) );
- printf( "scrub end (0x%04X): 0x%08X\r\n", (uint16_t) MSRER_R, load32_ci( MSRER_R ) );
-}
-#endif
-
-static int32_t
-u4_memBegin( eccerror_t *f_ecc_pt )
-{
- int32_t i;
-
- #ifdef U4_INFO
- printf( "\r\n" );
- printf( "U4 DDR2 memory controller setup V%u.%u\r\n",
- VER, SUBVER );
- printf( "------------------------------------\r\n" );
- printf( "> detected board : " );
-
- if( IS_MAUI ) {
- printf( "MAUI" );
- } else if( IS_BIMINI ) {
- printf( "BIMINI" );
- } else if( IS_KAUAI ) {
- printf( "KAUAI" );
- } else {
- printf( "unknown!" );
- return RET_ERR;
- }
- #endif
-
- do {
- /*
- * initialize variables
- */
- m_memsize_u64 = 0;
- m_dcnt_u32 = 0;
- m_dgrcnt_u32 = 0;
- m_dclidx_u32 = 0;
-
- for( i = 0; i < NUM_SLOTS; i++ ) {
- m_dptr[i] = NULL;
- memset( ( void * ) &m_dimm[i], 0, sizeof( dimm_t ) );
- }
-
- for( i = 0; i < MAX_DGROUPS; i++ ) {
- m_dgrptr[i] = NULL;
- memset( ( void * ) &m_dgroup[i], 0, sizeof( dimm_t ) );
- }
-
- /*
- * start configuration
- */
- #ifdef U4_INFO
- printf( "\r\n> detected DIMM configuration : " );
- #endif
-
- i = ddr2_readSPDs();
-
- if( i != RET_OK ) {
- #ifdef U4_INFO
- printf( "\r\n-------------------------------------------------------------" );
- printf( "\r\n switching off memory bank(s) due to SPD integrity failure" );
- printf( "\r\n-------------------------------------------------------------\r\n" );
- #endif
- }
-
- } while( i != RET_OK );
-
- /*
- * check DIMM configuration
- */
- if( ddr2_setupDIMMcfg() != RET_OK ) {
- #ifdef U4_INFO
- printf( "> initialization failure.\r\n" );
- #endif
- return RET_ERR;
- }
-
- /*
- * create DIMM groups
- */
- u4_setupDIMMgroups();
-
- /*
- * start configuration of u4
- */
- u4_calcDIMMcnfg();
-
- if( u4_calcDIMMmemmode() != RET_OK ) {
- #ifdef U4_INFO
- printf( "> initialization failure.\r\n" );
- #endif
- return RET_ERR;
- }
-
- #ifdef U4_INFO
- printf( "%uMb @ %uMhz, CL %u\r\n",
- (uint32_t) ( m_memsize_u64 / 0x100000 ),
- m_gendimm.m_speed_pu32[m_dclidx_u32],
- m_gendimm.m_clval_pu32[m_dclidx_u32] );
-
- printf( "> initializing memory :\r\n" );
- #endif
-
- if( u4_setup_core_clock() != RET_OK ) {
- #ifdef U4_INFO
- printf( "> initialization failure.\r\n" );
- #endif
- return RET_ERR;
- }
-
- i = u4_start( f_ecc_pt );
- if( i != RET_OK ) {
- #ifdef U4_INFO
- printf( "> initialization failure.\r\n" );
- #endif
- return i;
- }
-
- #ifdef U4_INFO
- printf( " [flush cache : ]" );
- #endif
-
- flush_cache( 0x0, L2_CACHE_SIZE );
-
- #ifdef U4_INFO
- printf( "\b\b\bOK\r\n" );
- printf( "> initialization complete.\r\n" );
- #endif
-
-#ifdef U4_SHOW_REGS
- u4_dump(0,0,0);
-#endif
-
- return RET_OK;
-}
-
-
-#if 0
-static int32_t scrubstarted = 0;
-void
-u4_scrubStart(uint8_t argCnt, char *pArgs[], uint64_t flags )
-{
- scrubstarted = 1;
-
- /*
- * setup scrub parameters
- */
- store32_ci( MSCR_R, 0 ); // stop scrub
- store32_ci( MSRSR_R, 0x0 ); // set start
- store32_ci( MSRER_R, 0x1c ); // set end
- store32_ci( MSPR_R, 0x0 ); // set pattern
-
- /*
- * clear out ECC error registers
- */
- store32_ci( MEAR0_R, 0x0 );
- store32_ci( MEAR1_R, 0x0 );
- store32_ci( MESR_R, 0x0 );
-
- /*
- * Setup Scrub Type
- */
- store32_ci( MSCR_R, IBIT(1) );
- printf( "\r\nscrub started\r\n" );
-}
-#endif
-
-#if 0
-void
-u4_scrubEnd(uint8_t argCnt, char *pArgs[], uint64_t flags )
-{
- store32_ci( MSCR_R, 0 ); // stop scrub
- scrubstarted = 0;
- printf( "\r\nscrub stopped\r\n" );
-}
-#endif
-
-#if 0
-void
-u4_memwr(uint8_t argCnt, char *pArgs[], uint64_t flags )
-{
- uint32_t i;
- uint32_t v = 0;
-
- for( i = 0; i < 0x200; i += 4 ) {
-
- if( ( i & 0xf ) == 0 ) {
- v = ~v;
- }
-
- store32_ci( i, v );
- }
-
-}
-#endif
-
-void
-u4memInit()
-{
- static uint32_t l_isInit_u32 = 0;
- eccerror_t l_ecc_t;
- int32_t ret;
-
- /*
- * do not initialize memory more than once
- */
- if( l_isInit_u32 ) {
- #ifdef U4_INFO
- printf( "\r\n\nmemory already initialized\r\n" );
- #endif
- return;
- } else {
- l_isInit_u32 = 1;
- }
-
- /*
- * enable all DIMM banks on first run
- */
- m_bankoff_u32 = 0;
-
- do {
- ret = u4_memBegin( &l_ecc_t );
-
- if( ret < RET_ERR ) {
- uint32_t l_bank_u32 = l_ecc_t.m_rank_u32 / 2;
- printf( "\r\n-----------------------------------------------------" );
- printf( "\r\n switching off memory bank %u due to memory failure", l_bank_u32 );
- printf( "\r\n-----------------------------------------------------" );
- m_bankoff_u32 |= ( 1 << l_bank_u32 );
- }
-
- } while( ret < RET_ERR );
-
-}