diff options
Diffstat (limited to 'qemu/roms/u-boot/board/dave')
| -rw-r--r-- | qemu/roms/u-boot/board/dave/PPChameleonEVB/Makefile | 8 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/dave/PPChameleonEVB/PPChameleonEVB.c | 231 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/dave/PPChameleonEVB/flash.c | 99 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/dave/PPChameleonEVB/nand.c | 99 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/dave/PPChameleonEVB/u-boot.lds | 115 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/dave/common/flash.c | 691 |
6 files changed, 1243 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/dave/PPChameleonEVB/Makefile b/qemu/roms/u-boot/board/dave/PPChameleonEVB/Makefile new file mode 100644 index 000000000..31edc4a57 --- /dev/null +++ b/qemu/roms/u-boot/board/dave/PPChameleonEVB/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = PPChameleonEVB.o flash.o nand.o diff --git a/qemu/roms/u-boot/board/dave/PPChameleonEVB/PPChameleonEVB.c b/qemu/roms/u-boot/board/dave/PPChameleonEVB/PPChameleonEVB.c new file mode 100644 index 000000000..c9ab50e12 --- /dev/null +++ b/qemu/roms/u-boot/board/dave/PPChameleonEVB/PPChameleonEVB.c @@ -0,0 +1,231 @@ +/* + * (C) Copyright 2003 + * DAVE Srl + * http://www.dave-tech.it + * http://www.wawnet.biz + * mailto:info@wawnet.biz + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/processor.h> +#include <command.h> +#include <malloc.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ + +int board_early_init_f (void) +{ + out32(GPIO0_OR, CONFIG_SYS_NAND0_CE); /* set initial outputs */ + out32(GPIO0_OR, CONFIG_SYS_NAND1_CE); /* set initial outputs */ + + /* + * IRQ 0-15 405GP internally generated; active high; level sensitive + * IRQ 16 405GP internally generated; active low; level sensitive + * IRQ 17-24 RESERVED + * IRQ 25 (EXT IRQ 0) + * IRQ 26 (EXT IRQ 1) + * IRQ 27 (EXT IRQ 2) + * IRQ 28 (EXT IRQ 3) + * IRQ 29 (EXT IRQ 4) + * IRQ 30 (EXT IRQ 5) + * IRQ 31 (EXT IRQ 6) + */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + mtdcr(UIC0ER, 0x00000000); /* disable all ints */ + mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ + mtdcr(UIC0PR, 0xFFFFFF80); /* set int polarities */ + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us + */ +#if 1 /* test-only */ + mtebc (EBC0_CFG, 0xa8400000); /* ebc always driven */ +#else + mtebc (EBC0_CFG, 0x28400000); /* ebc in high-z */ +#endif + return 0; +} + +/* ------------------------------------------------------------------------- */ + +int misc_init_f (void) +{ + return 0; /* dummy implementation */ +} + +extern flash_info_t flash_info[]; /* info for FLASH chips */ + +int misc_init_r (void) +{ + /* adjust flash start and size as well as the offset */ + gd->bd->bi_flashstart = 0 - flash_info[0].size; + gd->bd->bi_flashoffset= flash_info[0].size - CONFIG_SYS_MONITOR_LEN; +#if 0 + volatile unsigned short *fpga_mode = + (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL); + volatile unsigned char *duart0_mcr = + (unsigned char *)((ulong)DUART0_BA + 4); + volatile unsigned char *duart1_mcr = + (unsigned char *)((ulong)DUART1_BA + 4); + + bd_t *bd = gd->bd; + char * tmp; /* Temporary char pointer */ + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + unsigned long CPC0_CR0Reg; + + dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); + if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { + printf ("GUNZIP ERROR - must RESET board to recover\n"); + do_reset (NULL, 0, 0, NULL); + } + + status = fpga_boot(dst, len); + if (status != 0) { + printf("\nFPGA: Booting failed "); + switch (status) { + case ERROR_FPGA_PRG_INIT_LOW: + printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("FPGA: %s\n", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=20; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc ('\n'); + do_reset(NULL, 0, 0, NULL); + } + + puts("FPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("%s ", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + + free(dst); + + /* + * Reset FPGA via FPGA_DATA pin + */ + SET_FPGA(FPGA_PRG | FPGA_CLK); + udelay(1000); /* wait 1ms */ + SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); + udelay(1000); /* wait 1ms */ +#endif + +#if 0 + /* + * Enable power on PS/2 interface + */ + *fpga_mode |= CONFIG_SYS_FPGA_CTRL_PS2_RESET; + + /* + * Enable interrupts in exar duart mcr[3] + */ + *duart0_mcr = 0x08; + *duart1_mcr = 0x08; +#endif + return (0); +} + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + char str[64]; + int i = getenv_f("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming PPChameleonEVB"); + } else { + puts(str); + } + + putc ('\n'); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ + /* TODO: XXX XXX XXX */ + printf ("test: 16 MB - ok\n"); + + return (0); +} + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_CFB_CONSOLE +# ifdef CONFIG_CONSOLE_EXTRA_INFO +# include <video_fb.h> +extern GraphicDevice smi; + +void video_get_info_str (int line_number, char *info) +{ + uint pvr = get_pvr (); + + /* init video info strings for graphic console */ + switch (line_number) { + case 1: + switch (pvr) { + case PVR_405EP_RB: + sprintf (info, " AMCC PowerPC 405EP Rev. B"); + break; + default: + sprintf (info, " AMCC PowerPC 405EP Rev. <unknown>"); + break; + } + return; + case 2: + sprintf (info, " DAVE Srl PPChameleonEVB - www.dave-tech.it"); + return; + case 3: + sprintf (info, " %s", smi.modeIdent); + return; + } + + /* no more info lines */ + *info = 0; + return; +} +# endif /* CONFIG_CONSOLE_EXTRA_INFO */ +#endif /* CONFIG_CFB_CONSOLE */ diff --git a/qemu/roms/u-boot/board/dave/PPChameleonEVB/flash.c b/qemu/roms/u-boot/board/dave/PPChameleonEVB/flash.c new file mode 100644 index 000000000..771151b80 --- /dev/null +++ b/qemu/roms/u-boot/board/dave/PPChameleonEVB/flash.c @@ -0,0 +1,99 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/ppc4xx.h> +#include <asm/processor.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ +#ifdef __DEBUG_START_FROM_SRAM__ + return CONFIG_SYS_DUMMY_FLASH_SIZE; +#else + unsigned long size; + int i; + uint pbcr; + unsigned long base; + int size_val = 0; + + debug("[%s, %d] Entering ...\n", __FUNCTION__, __LINE__); + debug("[%s, %d] flash_info = 0x%p ...\n", __func__, __LINE__, + flash_info); + + /* Init: no FLASHes known */ + for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + debug("[%s, %d] Calling flash_get_size ...\n", __FUNCTION__, __LINE__); + size = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size, size<<20); + } + + debug("[%s, %d] Test point ...\n", __FUNCTION__, __LINE__); + + /* Setup offsets */ + flash_get_offsets (-size, &flash_info[0]); + debug("[%s, %d] Test point ...\n", __FUNCTION__, __LINE__); + + /* Re-do sizing to get full correct info */ + mtdcr(EBC0_CFGADDR, PB0CR); + pbcr = mfdcr(EBC0_CFGDATA); + mtdcr(EBC0_CFGADDR, PB0CR); + base = -size; + switch (size) { + 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; + } + pbcr = (pbcr & 0x0001ffff) | base | (size_val << 17); + mtdcr(EBC0_CFGDATA, pbcr); + debug("[%s, %d] Test point ...\n", __FUNCTION__, __LINE__); + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CONFIG_SYS_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + debug("[%s, %d] Test point ...\n", __FUNCTION__, __LINE__); + flash_info[0].size = size; + + return (size); +#endif +} diff --git a/qemu/roms/u-boot/board/dave/PPChameleonEVB/nand.c b/qemu/roms/u-boot/board/dave/PPChameleonEVB/nand.c new file mode 100644 index 000000000..a191a0c3a --- /dev/null +++ b/qemu/roms/u-boot/board/dave/PPChameleonEVB/nand.c @@ -0,0 +1,99 @@ +/* + * (C) Copyright 2006 DENX Software Engineering + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#if defined(CONFIG_CMD_NAND) + +#include <nand.h> + +/* + * hardware specific access to control-lines + * function borrowed from Linux 2.6 (drivers/mtd/nand/ppchameleonevb.c) + */ +static void ppchameleonevb_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + ulong base = (ulong) this->IO_ADDR_W; + + if (ctrl & NAND_CTRL_CHANGE) { + if ( ctrl & NAND_CLE ) + MACRO_NAND_CTL_SETCLE((unsigned long)base); + else + MACRO_NAND_CTL_CLRCLE((unsigned long)base); + if ( ctrl & NAND_ALE ) + MACRO_NAND_CTL_CLRCLE((unsigned long)base); + else + MACRO_NAND_CTL_CLRALE((unsigned long)base); + if ( ctrl & NAND_NCE ) + MACRO_NAND_ENABLE_CE((unsigned long)base); + else + MACRO_NAND_DISABLE_CE((unsigned long)base); + } + + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); +} + + +/* + * read device ready pin + * function +/- borrowed from Linux 2.6 (drivers/mtd/nand/ppchameleonevb.c) + */ +static int ppchameleonevb_device_ready(struct mtd_info *mtdinfo) +{ + struct nand_chip *this = mtdinfo->priv; + ulong rb_gpio_pin; + + /* use the base addr to find out which chip are we dealing with */ + switch((ulong) this->IO_ADDR_W) { + case CONFIG_SYS_NAND0_BASE: + rb_gpio_pin = CONFIG_SYS_NAND0_RDY; + break; + case CONFIG_SYS_NAND1_BASE: + rb_gpio_pin = CONFIG_SYS_NAND1_RDY; + break; + default: /* this should never happen */ + return 0; + break; + } + + if (in32(GPIO0_IR) & rb_gpio_pin) + return 1; + return 0; +} + + +/* + * Board-specific NAND initialization. The following members of the + * argument are board-specific (per include/linux/mtd/nand.h): + * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device + * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device + * - cmd_ctrl: hardwarespecific function for accesing control-lines + * - dev_ready: hardwarespecific function for accesing device ready/busy line + * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must + * only be provided if a hardware ECC is available + * - ecc.mode: mode of ecc, see defines + * - chip_delay: chip dependent delay for transfering data from array to + * read regs (tR) + * - options: various chip options. They can partly be set to inform + * nand_scan about special functionality. See the defines for further + * explanation + * Members with a "?" were not set in the merged testing-NAND branch, + * so they are not set here either. + */ +int board_nand_init(struct nand_chip *nand) +{ + + nand->cmd_ctrl = ppchameleonevb_hwcontrol; + nand->dev_ready = ppchameleonevb_device_ready; + nand->ecc.mode = NAND_ECC_SOFT; + nand->chip_delay = NAND_BIG_DELAY_US; + nand->options = NAND_SAMSUNG_LP_OPTIONS; + return 0; +} +#endif diff --git a/qemu/roms/u-boot/board/dave/PPChameleonEVB/u-boot.lds b/qemu/roms/u-boot/board/dave/PPChameleonEVB/u-boot.lds new file mode 100644 index 000000000..94b707614 --- /dev/null +++ b/qemu/roms/u-boot/board/dave/PPChameleonEVB/u-boot.lds @@ -0,0 +1,115 @@ +/* + * Copyright 2007-2009 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "config.h" + +#ifndef RESET_VECTOR_ADDRESS +#define RESET_VECTOR_ADDRESS 0xfffffffc +#endif + +OUTPUT_ARCH(powerpc) + +PHDRS +{ + text PT_LOAD; + bss PT_LOAD; +} + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .text : + { + *(.text*) + } :text + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } :text + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + KEEP(*(.got)) + PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data*) + *(.sdata*) + } + _edata = .; + PROVIDE (edata = .); + + . = .; + + . = ALIGN(4); + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_LEN and CONFIG_SYS_TEXT_BASE may need to be modified."); + . = 0xFFFF8000; + .ppcenv : + { + common/env_embedded.o(.ppcenv); + } + + .resetvec RESET_VECTOR_ADDRESS : + { + KEEP(*(.resetvec)) + } :text = 0xffff + + . = RESET_VECTOR_ADDRESS + 0x4; + + /* + * Make sure that the bss segment isn't linked at 0x0, otherwise its + * address won't be updated during relocation fixups. Note that + * this is a temporary fix. Code to dynamically the fixup the bss + * location will be added in the future. When the bss relocation + * fixup code is present this workaround should be removed. + */ +#if (RESET_VECTOR_ADDRESS == 0xfffffffc) + . |= 0x10; +#endif + + __bss_start = .; + .bss (NOLOAD) : + { + *(.bss*) + *(.sbss*) + *(COMMON) + } :bss + + . = ALIGN(4); + __bss_end = . ; + PROVIDE (end = .); +} diff --git a/qemu/roms/u-boot/board/dave/common/flash.c b/qemu/roms/u-boot/board/dave/common/flash.c new file mode 100644 index 000000000..f05adf9f1 --- /dev/null +++ b/qemu/roms/u-boot/board/dave/common/flash.c @@ -0,0 +1,691 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/processor.h> + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/*----------------------------------------------------------------------- + * Functions + */ +static int write_word (flash_info_t *info, ulong dest, ulong data); + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + short n; + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: printf ("AMD "); break; + case FLASH_MAN_FUJ: printf ("FUJITSU "); break; + case FLASH_MAN_SST: printf ("SST "); break; + case FLASH_MAN_STM: printf ("ST "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320T: printf ("AM29LV320T (32 M, top sector)\n"); + break; + case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n"); + break; + case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n"); + break; + case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n"); + break; + case FLASH_AM640U: printf ("AM29LV640D (64 M, uniform sector)\n"); + break; + case FLASH_SST800A: printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); + break; + case FLASH_SST160A: printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); + break; + case FLASH_STMW320DT: printf ("M29W320DT (32 M, top sector)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i=0; i<info->sector_count; ++i) { +#ifdef CONFIG_SYS_FLASH_EMPTY_INFO + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count-1)) + size = info->start[i+1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k=0; k<size; k++) + { + if (*flash++ != 0xffffffff) + { + erased = 0; + break; + } + } + + if ((i % 5) == 0) + printf ("\n "); + /* print empty and read-only info */ + printf (" %08lX%s%s", + info->start[i], + erased ? " E" : " ", + info->protect[i] ? "RO " : " "); +#else + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); +#endif + + } + printf ("\n"); + return; +} + +/*----------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (vu_long *addr, flash_info_t *info) +{ + short i; + short n; + CONFIG_SYS_FLASH_WORD_SIZE value; + ulong base = (ulong)addr; + volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)addr; + + debug("[%s, %d] Entering ...\n", __FUNCTION__, __LINE__); + + /* Write auto select command: read Manufacturer ID */ + addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00900090; + + value = addr2[CONFIG_SYS_FLASH_READ0]; + + switch (value) { + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CONFIG_SYS_FLASH_WORD_SIZE)FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CONFIG_SYS_FLASH_WORD_SIZE)SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CONFIG_SYS_FLASH_WORD_SIZE)STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[CONFIG_SYS_FLASH_READ1]; /* device ID */ + + switch (value) { + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)STM_ID_29W320DT: + info->flash_id += FLASH_STMW320DT; + info->sector_count = 67; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322T: + info->flash_id += FLASH_AMDL322T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL322B: + info->flash_id += FLASH_AMDL322B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323T: + info->flash_id += FLASH_AMDL323T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)AMD_ID_LV640U: + info->flash_id += FLASH_AM640U; + info->sector_count = 128; + info->size = 0x00800000; break; /* => 8 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF800A: + info->flash_id += FLASH_SST800A; + info->sector_count = 16; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CONFIG_SYS_FLASH_WORD_SIZE)SST_ID_xF160A: + info->flash_id += FLASH_SST160A; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + /* 1 x 16k boot sector */ + base -= 16 << 10; + --i; + info->start[i] = base; + /* 2 x 8k boot sectors */ + for (n=0; n<2; ++n) { + base -= 8 << 10; + --i; + info->start[i] = base; + } + /* 1 x 32k boot sector */ + base -= 32 << 10; + --i; + info->start[i] = base; + + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[i]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[CONFIG_SYS_FLASH_READ2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0]; + *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + } + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]); + volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + ulong start, now, last; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf ("- missing\n"); + } else { + printf ("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[sect]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080; + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00500050; /* block erase */ + for (i=0; i<50; i++) + udelay(1000); /* wait 1 ms */ + } else { + if (sect == s_first) { + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080; + addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + } + addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + } + l_sect = sect; + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + + /* + * We wait for the last triggered sector + */ + if (l_sect < 0) + goto DONE; + + start = get_timer (0); + last = start; + addr = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[l_sect]); + while ((addr[0] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) != (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) { + if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + +DONE: + /* reset to read mode */ + addr = (CONFIG_SYS_FLASH_WORD_SIZE *)info->start[0]; + addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + + printf (" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i<l; ++i, ++cp) { +#ifdef CONFIG_B2 + data = data | ((*(uchar *)cp)<<(8*i)); +#else + data = (data << 8) | (*(uchar *)cp); +#endif + } + for (; i<4 && cnt>0; ++i) { +#ifdef CONFIG_B2 + data = data | ((*src++)<<(8*i)); +#else + data = (data << 8) | *src++; +#endif + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { +#ifdef CONFIG_B2 + data = data | ((*(uchar *)cp)<<(8*i)); +#else + data = (data << 8) | (*(uchar *)cp); +#endif + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; +#ifdef CONFIG_B2 + data = (*(ulong*)src); + src += 4; +#else + for (i=0; i<4; ++i) { + data = (data << 8) | *src++; + } +#endif + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { +#ifdef CONFIG_B2 + data = data | ((*src++)<<(8*i)); +#else + data = (data << 8) | *src++; +#endif + --cnt; + } + for (; i<4; ++i, ++cp) { +#ifdef CONFIG_B2 + data = data | ((*(uchar *)cp)<<(8*i)); +#else + data = (data << 8) | (*(uchar *)cp); +#endif + } + + return (write_word(info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word (flash_info_t *info, ulong dest, ulong data) +{ + ulong *data_ptr = &data; + volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *)(info->start[0]); + volatile CONFIG_SYS_FLASH_WORD_SIZE *dest2 = (CONFIG_SYS_FLASH_WORD_SIZE *)dest; + volatile CONFIG_SYS_FLASH_WORD_SIZE *data2 = (CONFIG_SYS_FLASH_WORD_SIZE *)data_ptr; + ulong start; + int flag; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((volatile ulong *)dest) & data) != data) { + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + for (i=0; i<4/sizeof(CONFIG_SYS_FLASH_WORD_SIZE); i++) + { + addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00550055; + addr2[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE)0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((dest2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080) != + (data2[i] & (CONFIG_SYS_FLASH_WORD_SIZE)0x00800080)) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { + return (1); + } + } + } + + return (0); +} + +/*----------------------------------------------------------------------- + */ |