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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/amcc/yosemite
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/amcc/yosemite')
-rw-r--r--qemu/roms/u-boot/board/amcc/yosemite/Makefile9
-rw-r--r--qemu/roms/u-boot/board/amcc/yosemite/config.mk16
-rw-r--r--qemu/roms/u-boot/board/amcc/yosemite/init.S49
-rw-r--r--qemu/roms/u-boot/board/amcc/yosemite/yosemite.c357
4 files changed, 431 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/amcc/yosemite/Makefile b/qemu/roms/u-boot/board/amcc/yosemite/Makefile
new file mode 100644
index 000000000..daf020a5a
--- /dev/null
+++ b/qemu/roms/u-boot/board/amcc/yosemite/Makefile
@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2002-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y = yosemite.o
+extra-y += init.o
diff --git a/qemu/roms/u-boot/board/amcc/yosemite/config.mk b/qemu/roms/u-boot/board/amcc/yosemite/config.mk
new file mode 100644
index 000000000..f18b09710
--- /dev/null
+++ b/qemu/roms/u-boot/board/amcc/yosemite/config.mk
@@ -0,0 +1,16 @@
+#
+# (C) Copyright 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif
diff --git a/qemu/roms/u-boot/board/amcc/yosemite/init.S b/qemu/roms/u-boot/board/amcc/yosemite/init.S
new file mode 100644
index 000000000..529cc65f7
--- /dev/null
+++ b/qemu/roms/u-boot/board/amcc/yosemite/init.S
@@ -0,0 +1,49 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0+
+*/
+
+#include <asm-offsets.h>
+#include <ppc_asm.tmpl>
+#include <asm/mmu.h>
+#include <config.h>
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
+ tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 0, AC_RWX | SA_G/*|SA_I*/)
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G )
+
+ tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_RWX | SA_IG )
+ tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, CONFIG_SYS_PCI_BASE, 0, AC_RW | SA_IG )
+ tlbentry( CONFIG_SYS_NVRAM_BASE_ADDR, SZ_256M, CONFIG_SYS_NVRAM_BASE_ADDR, 0, AC_RWX | SA_W|SA_I )
+
+ /* PCI */
+ tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 0, AC_RW | SA_IG )
+ tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 0, AC_RW | SA_IG )
+ tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 0, AC_RW | SA_IG )
+ tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 0, AC_RW | SA_IG )
+
+ /* USB 2.0 Device */
+ tlbentry( CONFIG_SYS_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_RW | SA_IG )
+
+ tlbtab_end
diff --git a/qemu/roms/u-boot/board/amcc/yosemite/yosemite.c b/qemu/roms/u-boot/board/amcc/yosemite/yosemite.c
new file mode 100644
index 000000000..56b5191d6
--- /dev/null
+++ b/qemu/roms/u-boot/board/amcc/yosemite/yosemite.c
@@ -0,0 +1,357 @@
+/*
+ * (C) Copyright 2006-2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/ppc4xx.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <spd_sdram.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+static inline u32 get_async_pci_freq(void)
+{
+ if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) &
+ CONFIG_SYS_BCSR5_PCI66EN)
+ return 66666666;
+ else
+ return 33333333;
+}
+
+int board_early_init_f(void)
+{
+ register uint reg;
+
+ /*--------------------------------------------------------------------
+ * Setup the external bus controller/chip selects
+ *-------------------------------------------------------------------*/
+ mtdcr(EBC0_CFGADDR, EBC0_CFG);
+ reg = mfdcr(EBC0_CFGDATA);
+ mtdcr(EBC0_CFGDATA, reg | 0x04000000); /* Set ATC */
+
+ /*--------------------------------------------------------------------
+ * Setup the GPIO pins
+ *-------------------------------------------------------------------*/
+ /*CPLD cs */
+ /*setup Address lines for flash size 64Meg. */
+ out32(GPIO0_OSRL, in32(GPIO0_OSRL) | 0x50010000);
+ out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x50010000);
+ out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x50000000);
+
+ /*setup emac */
+ out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xC080);
+ out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40);
+ out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x55);
+ out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0x50004000);
+ out32(GPIO0_ISR1H, in32(GPIO0_ISR1H) | 0x00440000);
+
+ /*UART1 */
+ out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x02000000);
+ out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000);
+ out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000);
+
+ /* external interrupts IRQ0...3 */
+ out32(GPIO1_TCR, in32(GPIO1_TCR) & ~0x00f00000);
+ out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x0000ff00);
+ out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500);
+
+#ifdef CONFIG_440EP
+ /*setup USB 2.0 */
+ out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);
+ out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000);
+ out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xf);
+ out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0xaa);
+ out32(GPIO0_ISR2H, in32(GPIO0_ISR2H) | 0x00000500);
+#endif
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000009); /* ATI & UIC1 crit are critical */
+ mtdcr(UIC0PR, 0xfffffe13); /* per ref-board manual */
+ mtdcr(UIC0TR, 0x01c00008); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xffffe0ff); /* per ref-board manual */
+ mtdcr(UIC1TR, 0x00ffc000); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+
+ /*--------------------------------------------------------------------
+ * Setup other serial configuration
+ *-------------------------------------------------------------------*/
+ mfsdr(SDR0_PCI0, reg);
+ mtsdr(SDR0_PCI0, 0x80000000 | reg); /* PCI arbiter enabled */
+ mtsdr(SDR0_PFC0, 0x00003e00); /* Pin function */
+ mtsdr(SDR0_PFC1, 0x00048000); /* Pin function: UART0 has 4 pins */
+
+ /* Check and reconfigure the PCI sync clock if necessary */
+ ppc4xx_pci_sync_clock_config(get_async_pci_freq());
+
+ /*clear tmrclk divisor */
+ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x04) = 0x00;
+
+ /*enable ethernet */
+ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x08) = 0xf0;
+
+#ifdef CONFIG_440EP
+ /*enable usb 1.1 fs device and remove usb 2.0 reset */
+ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x09) = 0x00;
+#endif
+
+ /*get rid of flash write protect */
+ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x07) = 0x00;
+
+ return 0;
+}
+
+int misc_init_r (void)
+{
+ uint pbcr;
+ int size_val = 0;
+
+ /* Re-do sizing to get full correct info */
+ mtdcr(EBC0_CFGADDR, PB0CR);
+ pbcr = mfdcr(EBC0_CFGDATA);
+ switch (gd->bd->bi_flashsize) {
+ case 1 << 20:
+ size_val = 0;
+ break;
+ case 2 << 20:
+ size_val = 1;
+ break;
+ case 4 << 20:
+ size_val = 2;
+ break;
+ case 8 << 20:
+ size_val = 3;
+ break;
+ case 16 << 20:
+ size_val = 4;
+ break;
+ case 32 << 20:
+ size_val = 5;
+ break;
+ case 64 << 20:
+ size_val = 6;
+ break;
+ case 128 << 20:
+ size_val = 7;
+ break;
+ }
+ pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+ mtdcr(EBC0_CFGADDR, PB0CR);
+ mtdcr(EBC0_CFGDATA, pbcr);
+
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CONFIG_SYS_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
+ u8 rev;
+ u32 clock = get_async_pci_freq();
+
+#ifdef CONFIG_440EP
+ printf("Board: Yosemite - AMCC PPC440EP Evaluation Board");
+#else
+ printf("Board: Yellowstone - AMCC PPC440GR Evaluation Board");
+#endif
+
+ rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0));
+ printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000);
+
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
+ }
+ putc('\n');
+
+ /*
+ * Reconfiguration of the PCI sync clock is already done,
+ * now check again if everything is in range:
+ */
+ if (ppc4xx_pci_sync_clock_config(clock)) {
+ printf("ERROR: PCI clocking incorrect (async=%d "
+ "sync=%ld)!\n", clock, get_PCI_freq());
+ }
+
+ return (0);
+}
+
+/*************************************************************************
+ * initdram -- doesn't use serial presence detect.
+ *
+ * Assumes: 256 MB, ECC, non-registered
+ * PLB @ 133 MHz
+ *
+ ************************************************************************/
+#define NUM_TRIES 64
+#define NUM_READS 10
+
+void sdram_tr1_set(int ram_address, int* tr1_value)
+{
+ int i;
+ int j, k;
+ volatile unsigned int* ram_pointer = (unsigned int*)ram_address;
+ int first_good = -1, last_bad = 0x1ff;
+
+ unsigned long test[NUM_TRIES] = {
+ 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
+ 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
+ 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
+ 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
+ 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
+ 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
+ 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
+ 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
+ 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
+ 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
+ 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
+ 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55,
+ 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55 };
+
+ /* go through all possible SDRAM0_TR1[RDCT] values */
+ for (i=0; i<=0x1ff; i++) {
+ /* set the current value for TR1 */
+ mtsdram(SDRAM0_TR1, (0x80800800 | i));
+
+ /* write values */
+ for (j=0; j<NUM_TRIES; j++) {
+ ram_pointer[j] = test[j];
+
+ /* clear any cache at ram location */
+ __asm__("dcbf 0,%0": :"r" (&ram_pointer[j]));
+ }
+
+ /* read values back */
+ for (j=0; j<NUM_TRIES; j++) {
+ for (k=0; k<NUM_READS; k++) {
+ /* clear any cache at ram location */
+ __asm__("dcbf 0,%0": :"r" (&ram_pointer[j]));
+
+ if (ram_pointer[j] != test[j])
+ break;
+ }
+
+ /* read error */
+ if (k != NUM_READS) {
+ break;
+ }
+ }
+
+ /* we have a SDRAM0_TR1[RDCT] that is part of the window */
+ if (j == NUM_TRIES) {
+ if (first_good == -1)
+ first_good = i; /* found beginning of window */
+ } else { /* bad read */
+ /* if we have not had a good read then don't care */
+ if(first_good != -1) {
+ /* first failure after a good read */
+ last_bad = i-1;
+ break;
+ }
+ }
+ }
+
+ /* return the current value for TR1 */
+ *tr1_value = (first_good + last_bad) / 2;
+}
+
+phys_size_t initdram(int board)
+{
+ register uint reg;
+ int tr1_bank1, tr1_bank2;
+
+ /*--------------------------------------------------------------------
+ * Setup some default
+ *------------------------------------------------------------------*/
+ mtsdram(SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */
+ mtsdram(SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram(SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */
+ mtsdram(SDRAM0_CLKTR, 0x40000000); /* ?? */
+ mtsdram(SDRAM0_WDDCTR, 0x40000000); /* ?? */
+
+ /*clear this first, if the DDR is enabled by a debugger
+ then you can not make changes. */
+ mtsdram(SDRAM0_CFG0, 0x00000000); /* Disable EEC */
+
+ /*--------------------------------------------------------------------
+ * Setup for board-specific specific mem
+ *------------------------------------------------------------------*/
+ /*
+ * Following for CAS Latency = 2.5 @ 133 MHz PLB
+ */
+ mtsdram(SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
+ mtsdram(SDRAM0_B1CR, 0x080a4001); /* SDBA=0x080 128MB, Mode 3, enabled */
+
+ mtsdram(SDRAM0_TR0, 0x410a4012); /* ?? */
+ mtsdram(SDRAM0_RTR, 0x04080000); /* ?? */
+ mtsdram(SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */
+ mtsdram(SDRAM0_CFG0, 0x30000000); /* Disable EEC */
+ udelay(400); /* Delay 200 usecs (min) */
+
+ /*--------------------------------------------------------------------
+ * Enable the controller, then wait for DCEN to complete
+ *------------------------------------------------------------------*/
+ mtsdram(SDRAM0_CFG0, 0x80000000); /* Enable */
+
+ for (;;) {
+ mfsdram(SDRAM0_MCSTS, reg);
+ if (reg & 0x80000000)
+ break;
+ }
+
+ sdram_tr1_set(0x00000000, &tr1_bank1);
+ sdram_tr1_set(0x08000000, &tr1_bank2);
+ mtsdram(SDRAM0_TR1, (((tr1_bank1+tr1_bank2)/2) | 0x80800800));
+
+ return CONFIG_SYS_SDRAM_BANKS * (CONFIG_SYS_KBYTES_SDRAM * 1024); /* return bytes */
+}
+
+/*************************************************************************
+ * hw_watchdog_reset
+ *
+ * This routine is called to reset (keep alive) the watchdog timer
+ *
+ ************************************************************************/
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
+{
+
+}
+#endif
+
+void board_reset(void)
+{
+ /* give reset to BCSR */
+ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x06) = 0x09;
+}