diff options
Diffstat (limited to 'board')
-rw-r--r-- | board/cmi/Kconfig | 9 | ||||
-rw-r--r-- | board/cmi/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/cmi/Makefile | 8 | ||||
-rw-r--r-- | board/cmi/README | 84 | ||||
-rw-r--r-- | board/cmi/cmi.c | 57 | ||||
-rw-r--r-- | board/cmi/flash.c | 501 |
6 files changed, 0 insertions, 665 deletions
diff --git a/board/cmi/Kconfig b/board/cmi/Kconfig deleted file mode 100644 index 6efe6b1..0000000 --- a/board/cmi/Kconfig +++ /dev/null @@ -1,9 +0,0 @@ -if TARGET_CMI_MPC5XX - -config SYS_BOARD - default "cmi" - -config SYS_CONFIG_NAME - default "cmi_mpc5xx" - -endif diff --git a/board/cmi/MAINTAINERS b/board/cmi/MAINTAINERS deleted file mode 100644 index 60701bf..0000000 --- a/board/cmi/MAINTAINERS +++ /dev/null @@ -1,6 +0,0 @@ -CMI BOARD -#M: - -S: Maintained -F: board/cmi/ -F: include/configs/cmi_mpc5xx.h -F: configs/cmi_mpc5xx_defconfig diff --git a/board/cmi/Makefile b/board/cmi/Makefile deleted file mode 100644 index cd3bb0d..0000000 --- a/board/cmi/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2001-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y := flash.o cmi.o diff --git a/board/cmi/README b/board/cmi/README deleted file mode 100644 index 0edd50a..0000000 --- a/board/cmi/README +++ /dev/null @@ -1,84 +0,0 @@ - -Summary: -======== - -This file contains information about the cmi board configuration. -Please see cmi_mpc5xx_config for further details. The cmi board is -a customer specific board but should work with small modifications -on every board which has a MPC5xx and either a 28F128J3A, -28F320J3A or 28F640J3A Intel flash mounted. - -Board Discription: -================== - -* Motorola MPC555 -* RS232 connection -* Intel flash 28F640J3A -* Micron SRAM 1M -* Altera PLD - -Bootstrap: -========== - -In contrast to the usual boot sequence used in U-Boot, on the -cmi board we don't boot from the external flash directly. -Because of we use a 16-bit flash and don't sample a RCW -from the data bus to set the startup buswidth to 16-bit. -Unfortunatly the default width, sampled from the default RCW -is 32-bit. For this reason we burn the proper RCW into the -internal flash shadow location and boot after power-on or -reset from the internal flash and then branch to 0x02000100 -where the U-Boot reset vector handler is located. - -Memory Map: -=========== - -Memory Map after relocation: - - 0x0000 0000 CONFIG_SYS_SDRAM_BASE - : - 0x000F 9FFF - : - : - 0x0100 0000 CONFIG_SYS_IMMR (Internal memory map base adress) - : - 0x0130 7FFF - : - : - 0x0200 0000 CONFIG_SYS_FLASH_BASE - : - 0x027C FFFF - : - : - 0x0300 0000 PLD_BASE - -Flash Partition: - - 0x0200 0000 Block 0 and 1 contain U-Boot except - : environment - : - 0x0201 FFFF - 0x0202 0000 Block 2 contains environment (.ppcenv) - : - 0x0202 FFFF - -See README file for futher information about U-Boot relocation -and partitioning. - -Tested Features: -================ - -* U-Boot commands: go, loads, loadb, all memory features, printenv, - setenv, saveenv, protect, erase, fli, bdi, mtest, reset, version, - coninfo, help (see configuration file for available commands) - -* Blinking led to indicate boot process - -Added or Changed Files: -======================= - -u-boot-0.2.0/board/cmi/* -u-boot-0.2.0/include/configs/cmi_mpc5xx.h - -Regards, -Martin diff --git a/board/cmi/cmi.c b/board/cmi/cmi.c deleted file mode 100644 index 37028c3..0000000 --- a/board/cmi/cmi.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * (C) Copyright 2003 - * Martin Winistoerfer, martinwinistoerfer@gmx.ch. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * File: cmi.c - * - * Discription: For generic board specific functions - * - */ - - -#include <common.h> -#include <mpc5xx.h> - -#define SRAM_SIZE 1024000L /* 1M RAM available*/ - -#if defined(__APPLE__) -/* Leading underscore on symbols */ -# define SYM_CHAR "_" -#else /* No leading character on symbols */ -# define SYM_CHAR -#endif - -/* - * Macros to generate global absolutes. - */ -#define GEN_SYMNAME(str) SYM_CHAR #str -#define GEN_VALUE(str) #str -#define GEN_ABS(name, value) \ - asm (".globl " GEN_SYMNAME(name)); \ - asm (GEN_SYMNAME(name) " = " GEN_VALUE(value)) - -/* - * Check the board - */ -int checkboard(void) -{ - puts ("Board: ### No HW ID - assuming CMI board\n"); - return (0); -} - -/* - * Get RAM size. - */ -phys_size_t initdram(int board_type) -{ - return (SRAM_SIZE); /* We currently have a static size adapted for cmi board. */ -} - -/* - * Absolute environment address for linker file. - */ -GEN_ABS(env_start, CONFIG_ENV_OFFSET + CONFIG_SYS_FLASH_BASE); diff --git a/board/cmi/flash.c b/board/cmi/flash.c deleted file mode 100644 index d9986f9..0000000 --- a/board/cmi/flash.c +++ /dev/null @@ -1,501 +0,0 @@ -/* - * (C) Copyright 2003 - * Martin Winistoerfer, martinwinistoerfer@gmx.ch. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * File: flash.c - * - * Discription: This Driver is for 28F320J3A, 28F640J3A and - * 28F128J3A Intel flashs working in 16 Bit mode. - * They are single bank flashs. - * - * Most of this code is taken from existing u-boot - * source code. - */ - - -#include <common.h> -#include <mpc5xx.h> - -#if defined(CONFIG_ENV_IS_IN_FLASH) -# ifndef CONFIG_ENV_ADDR -# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) -# endif -# ifndef CONFIG_ENV_SIZE -# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE -# endif -# ifndef CONFIG_ENV_SECT_SIZE -# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE -# endif -#endif - -#define FLASH_ID_MASK 0xFFFF -#define FLASH_BLOCK_SIZE 0x00010000 -#define FLASH_CMD_READ_ID 0x0090 -#define FLASH_CMD_RESET 0x00ff -#define FLASH_CMD_BLOCK_ERASE 0x0020 -#define FLASH_CMD_ERASE_CONFIRM 0x00D0 -#define FLASH_CMD_CLEAR_STATUS 0x0050 -#define FLASH_CMD_SUSPEND_ERASE 0x00B0 -#define FLASH_CMD_WRITE 0x0040 -#define FLASH_CMD_PROTECT 0x0060 -#define FLASH_CMD_PROTECT_SET 0x0001 -#define FLASH_CMD_PROTECT_CLEAR 0x00D0 -#define FLASH_STATUS_DONE 0x0080 - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -/* - * Local function prototypes - */ -static ulong flash_get_size (vu_short *addr, flash_info_t *info); -static int write_short (flash_info_t *info, ulong dest, ushort data); -static void flash_get_offsets (ulong base, flash_info_t *info); - -/* - * Initialize flash - */ - -unsigned long flash_init (void) -{ - unsigned long size_b0; - int i; - - /* 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 */ -#if 1 - debug ("\n## Get flash bank 1 size @ 0x%08x\n",FLASH_BASE0_PRELIM); -#endif - size_b0 = flash_get_size((vu_short *)FLASH_BASE0_PRELIM, &flash_info[0]); - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 0: " - "ID 0x%lx, Size = 0x%08lx = %ld MB\n", - flash_info[0].flash_id, - size_b0, size_b0<<20); - } - - flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); - - flash_info[0].size = size_b0; - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE-1, - &flash_info[0]); -#endif - - return size_b0; -} - -/* - * Compute start adress of each sector (block) - */ - -static void flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + i * FLASH_BLOCK_SIZE; - } - return; - - default: - printf ("Don't know sector offsets for flash type 0x%lx\n", - info->flash_id); - return; - } -} - -/* - * Print flash information - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - 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 ("STM "); break; - case FLASH_MAN_INTEL: printf ("Intel "); break; - case FLASH_MAN_MT: printf ("MT "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F320J3A: printf ("28F320J3A (32Mbit) 16-Bit\n"); - break; - case FLASH_28F640J3A: printf ("28F640J3A (64Mbit) 16-Bit\n"); - break; - case FLASH_28F128J3A: printf ("28F128J3A (128Mbit) 16-Bit\n"); - break; - default: printf ("Unknown Chip Type\n"); - break; - } - - if (info->size >= (1 << 20)) { - i = 20; - } else { - i = 10; - } - printf (" Size: %ld %cB in %d Sectors\n", - info->size >> i, - (i == 20) ? 'M' : 'k', - info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -/* - * Get size of flash in bytes. - * The following code cannot be run from FLASH! - */ - -static ulong flash_get_size (vu_short *addr, flash_info_t *info) -{ - vu_short value; - - /* Read Manufacturer ID */ - addr[0] = FLASH_CMD_READ_ID; - value = addr[0]; - - switch (value) { - case (AMD_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_AMD; - break; - case (FUJ_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_FUJ; - break; - case (SST_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_SST; - break; - case (STM_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_STM; - break; - case (INTEL_MANUFACT & FLASH_ID_MASK): - info->flash_id = FLASH_MAN_INTEL; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = FLASH_CMD_RESET; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - value = addr[1]; /* device ID */ - - switch (value) { - case (INTEL_ID_28F320J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F320J3A; - info->sector_count = 32; - info->size = 0x00400000; - break; /* => 32 MBit */ - - case (INTEL_ID_28F640J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000; - break; /* => 64 MBit */ - - case (INTEL_ID_28F128J3A & FLASH_ID_MASK): - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000; - break; /* => 128 MBit */ - - default: - info->flash_id = FLASH_UNKNOWN; - addr[0] = FLASH_CMD_RESET; /* restore read mode */ - return (0); /* => no or unknown flash */ - - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = FLASH_CMD_RESET; /* restore read mode */ - - return (info->size); -} - - -/* - * Erase unprotected sectors - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong start, now, last; - - 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_VENDMASK) != FLASH_MAN_INTEL) { - printf ("Can erase only Intel flash types - 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"); - } - - start = get_timer (0); - last = start; - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - vu_short *addr = (vu_short *)(info->start[sect]); - unsigned long status; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - -#ifdef DEBUG - printf("Erase sector %d at start addr 0x%08X", sect, (unsigned int)info->start[sect]); -#endif - - *addr = FLASH_CMD_CLEAR_STATUS; - *addr = FLASH_CMD_BLOCK_ERASE; - *addr = FLASH_CMD_ERASE_CONFIRM; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - while (((status = *addr) & FLASH_STATUS_DONE) != FLASH_STATUS_DONE) { - if ((now=get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf("Flash erase timeout at address %lx\n", info->start[sect]); - *addr = FLASH_CMD_SUSPEND_ERASE; - *addr = FLASH_CMD_RESET; - return 1; - } - - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - *addr = FLASH_CMD_RESET; - } - } - printf (" done\n"); - return 0; -} - -/* - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp; - ushort data; - int i, rc; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } - - wp = (addr & ~1); /* get lower word aligned address */ - - /* - * handle unaligned start byte - */ - - if (addr - wp) { - data = 0; - data = (data << 8) | *src++; - --cnt; - if ((rc = write_short(info, wp, data)) != 0) { - return (rc); - } - wp += 2; - } - - /* - * handle word aligned part - */ - - while (cnt >= 2) { - data = 0; - for (i=0; i<2; ++i) { - data = (data << 8) | *src++; - } - - if ((rc = write_short(info, wp, data)) != 0) { - return (rc); - } - wp += 2; - cnt -= 2; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - - data = 0; - for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<2; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_short(info, wp, data)); - -} - -/* - * Write 16 bit (short) to flash - */ - -static int write_short (flash_info_t *info, ulong dest, ushort data) -{ - vu_short *addr = (vu_short*)(info->start[0]); - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_short *)dest) & data) != data) { - return (2); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - if (!(info->flash_id & FLASH_VENDMASK)) { - return 4; - } - *addr = FLASH_CMD_ERASE_CONFIRM; - *addr = FLASH_CMD_WRITE; - - *((vu_short *)dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - - /* data polling for D7 */ - start = get_timer (0); - - /* wait for error or finish */ - while(!(addr[0] & FLASH_STATUS_DONE)){ - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - addr[0] = FLASH_CMD_RESET; - return (1); - } - } - - *addr = FLASH_CMD_RESET; - return (0); -} - -/* - * Protects a flash sector - */ - -int flash_real_protect(flash_info_t *info, long sector, int prot) -{ - vu_short *addr = (vu_short*)(info->start[sector]); - ulong start; - - *addr = FLASH_CMD_CLEAR_STATUS; - *addr = FLASH_CMD_PROTECT; - - if(prot) { - *addr = FLASH_CMD_PROTECT_SET; - } else { - *addr = FLASH_CMD_PROTECT_CLEAR; - } - - /* wait for error or finish */ - start = get_timer (0); - while(!(addr[0] & FLASH_STATUS_DONE)){ - if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf("Flash protect timeout at address %lx\n", info->start[sector]); - addr[0] = FLASH_CMD_RESET; - return (1); - } - } - /* Set software protect flag */ - info->protect[sector] = prot; - *addr = FLASH_CMD_RESET; - return (0); -} |