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-rw-r--r--board/etin/debris/flash.c705
1 files changed, 0 insertions, 705 deletions
diff --git a/board/etin/debris/flash.c b/board/etin/debris/flash.c
deleted file mode 100644
index 26579588dd..0000000000
--- a/board/etin/debris/flash.c
+++ /dev/null
@@ -1,705 +0,0 @@
-/*
- * board/eva/flash.c
- *
- * (C) Copyright 2002
- * Sangmoon Kim, Etin Systems, dogoil@etinsys.com.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/processor.h>
-#include <asm/pci_io.h>
-#include <mpc824x.h>
-#include <asm/mmu.h>
-
-int (*do_flash_erase)(flash_info_t*, uint32_t, uint32_t);
-int (*write_dword)(flash_info_t*, ulong, uint64_t);
-
-typedef uint64_t cfi_word;
-
-#define cfi_read(flash, addr) *((volatile cfi_word*)(flash->start[0] + addr))
-
-#define cfi_write(flash, val, addr) \
- move64((cfi_word*)&val, \
- (cfi_word*)(flash->start[0] + addr))
-
-#define CMD(x) ((((cfi_word)x)<<48)|(((cfi_word)x)<<32)|(((cfi_word)x)<<16)|(((cfi_word)x)))
-
-static void write32(unsigned long addr, uint32_t value)
-{
- *(volatile uint32_t*)(addr) = value;
- asm volatile("sync");
-}
-
-static uint32_t read32(unsigned long addr)
-{
- uint32_t value;
- value = *(volatile uint32_t*)addr;
- asm volatile("sync");
- return value;
-}
-
-static cfi_word cfi_cmd(flash_info_t *flash, uint8_t cmd, uint32_t addr)
-{
- uint32_t base = flash->start[0];
- uint32_t val=(cmd << 16) | cmd;
- addr <<= 3;
- write32(base + addr, val);
- return addr;
-}
-
-static uint16_t cfi_read_query(flash_info_t *flash, uint32_t addr)
-{
- uint32_t base = flash->start[0];
- addr <<= 3;
- return (uint16_t)read32(base + addr);
-}
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-static void move64(uint64_t *src, uint64_t *dest)
-{
- asm volatile("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
- "stfd 0, 0(4)" /* *dest = fpr0 */
- : : : "fr0" ); /* Clobbers fr0 */
- return;
-}
-
-static int cfi_write_dword(flash_info_t *flash, ulong dest, cfi_word data)
-{
- unsigned long start;
- cfi_word status = 0;
-
- status = cfi_read(flash, dest);
- data &= status;
-
- cfi_cmd(flash, 0x40, 0);
- cfi_write(flash, data, dest);
-
- udelay(10);
- start = get_timer (0);
- for(;;) {
- status = cfi_read(flash, dest);
- status &= CMD(0x80);
- if(status == CMD(0x80))
- break;
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- cfi_cmd(flash, 0xff, 0);
- return 1;
- }
- udelay(1);
- }
- cfi_cmd(flash, 0xff, 0);
-
- return 0;
-}
-
-static int jedec_write_dword (flash_info_t *flash, ulong dest, cfi_word data)
-{
- ulong start;
- cfi_word status = 0;
-
- status = cfi_read(flash, dest);
- if(status != CMD(0xffff)) return 2;
-
- cfi_cmd(flash, 0xaa, 0x555);
- cfi_cmd(flash, 0x55, 0x2aa);
- cfi_cmd(flash, 0xa0, 0x555);
-
- cfi_write(flash, data, dest);
-
- udelay(10);
- start = get_timer (0);
- status = ~data;
- while(status != data) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
- return 1;
- status = cfi_read(flash, dest);
- udelay(1);
- }
- return 0;
-}
-
-static __inline__ unsigned long get_msr(void)
-{
- unsigned long msr;
- __asm__ __volatile__ ("mfmsr %0" : "=r" (msr) :);
- return msr;
-}
-
-static __inline__ void set_msr(unsigned long msr)
-{
- __asm__ __volatile__ ("mtmsr %0" : : "r" (msr));
-}
-
-int write_buff (flash_info_t *flash, uchar *src, ulong addr, ulong cnt)
-{
- ulong wp;
- int i, s, l, rc;
- cfi_word data;
- uint8_t *t = (uint8_t*)&data;
- unsigned long base = flash->start[0];
- uint32_t msr;
-
- if (flash->flash_id == FLASH_UNKNOWN)
- return 4;
-
- if (cnt == 0)
- return 0;
-
- addr -= base;
-
- msr = get_msr();
- set_msr(msr|MSR_FP);
-
- wp = (addr & ~7); /* get lower word aligned address */
-
- if((addr-wp) != 0) {
- data = cfi_read(flash, wp);
- s = addr & 7;
- l = ( cnt < (8-s) ) ? cnt : (8-s);
- for(i = 0; i < l; i++)
- t[s+i] = *src++;
- if ((rc = write_dword(flash, wp, data)) != 0)
- goto DONE;
- wp += 8;
- cnt -= l;
- }
-
- while (cnt >= 8) {
- for (i = 0; i < 8; i++)
- t[i] = *src++;
- if ((rc = write_dword(flash, wp, data)) != 0)
- goto DONE;
- wp += 8;
- cnt -= 8;
- }
-
- if (cnt == 0) {
- rc = 0;
- goto DONE;
- }
-
- data = cfi_read(flash, wp);
- for(i = 0; i < cnt; i++)
- t[i] = *src++;
- rc = write_dword(flash, wp, data);
-DONE:
- set_msr(msr);
- return rc;
-}
-
-static int cfi_erase_oneblock(flash_info_t *flash, uint32_t sect)
-{
- int sa;
- int flag;
- ulong start, last, now;
- cfi_word status;
-
- flag = disable_interrupts();
-
- sa = (flash->start[sect] - flash->start[0]);
- write32(flash->start[sect], 0x00200020);
- write32(flash->start[sect], 0x00d000d0);
-
- if (flag)
- enable_interrupts();
-
- udelay(1000);
- start = get_timer (0);
- last = start;
-
- for (;;) {
- status = cfi_read(flash, sa);
- status &= CMD(0x80);
- if (status == CMD(0x80))
- break;
- if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- cfi_cmd(flash, 0xff, 0);
- printf ("Timeout\n");
- return ERR_TIMOUT;
- }
-
- if ((now - last) > 1000) {
- serial_putc ('.');
- last = now;
- }
- udelay(10);
- }
- cfi_cmd(flash, 0xff, 0);
- return ERR_OK;
-}
-
-static int cfi_erase(flash_info_t *flash, uint32_t s_first, uint32_t s_last)
-{
- int sect;
- int rc = ERR_OK;
-
- for (sect = s_first; sect <= s_last; sect++) {
- if (flash->protect[sect] == 0) {
- rc = cfi_erase_oneblock(flash, sect);
- if (rc != ERR_OK) break;
- }
- }
- printf (" done\n");
- return rc;
-}
-
-static int jedec_erase(flash_info_t *flash, uint32_t s_first, uint32_t s_last)
-{
- int sect;
- cfi_word status;
- int sa = -1;
- int flag;
- ulong start, last, now;
-
- flag = disable_interrupts();
-
- cfi_cmd(flash, 0xaa, 0x555);
- cfi_cmd(flash, 0x55, 0x2aa);
- cfi_cmd(flash, 0x80, 0x555);
- cfi_cmd(flash, 0xaa, 0x555);
- cfi_cmd(flash, 0x55, 0x2aa);
- for ( sect = s_first; sect <= s_last; sect++) {
- if (flash->protect[sect] == 0) {
- sa = flash->start[sect] - flash->start[0];
- write32(flash->start[sect], 0x00300030);
- }
- }
- if (flag)
- enable_interrupts();
-
- if (sa < 0)
- goto DONE;
-
- udelay (1000);
- start = get_timer (0);
- last = start;
- for(;;) {
- status = cfi_read(flash, sa);
- if (status == CMD(0xffff))
- break;
-
- if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- return ERR_TIMOUT;
- }
-
- if ((now - last) > 1000) {
- serial_putc ('.');
- last = now;
- }
- udelay(10);
- }
-DONE:
- cfi_cmd(flash, 0xf0, 0);
-
- printf (" done\n");
-
- return ERR_OK;
-}
-
-int flash_erase (flash_info_t *flash, int s_first, int s_last)
-{
- int sect;
- int prot;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (flash->flash_id == FLASH_UNKNOWN)
- printf ("- missing\n");
- else
- printf ("- no sectors to erase\n");
- return ERR_NOT_ERASED;
- }
- if (flash->flash_id == FLASH_UNKNOWN) {
- printf ("Can't erase unknown flash type - aborted\n");
- return ERR_NOT_ERASED;
- }
-
- prot = 0;
- for (sect = s_first; sect <= s_last; sect++)
- if (flash->protect[sect]) prot++;
-
- if (prot)
- printf ("- Warning: %d protected sectors will not be erased!\n",
- prot);
- else
- printf ("\n");
-
- return do_flash_erase(flash, s_first, s_last);
-}
-
-struct jedec_flash_info {
- const uint16_t mfr_id;
- const uint16_t dev_id;
- const char *name;
- const int DevSize;
- const int InterfaceDesc;
- const int NumEraseRegions;
- const ulong regions[4];
-};
-
-#define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
-
-#define SIZE_1MiB 20
-#define SIZE_2MiB 21
-#define SIZE_4MiB 22
-
-static const struct jedec_flash_info jedec_table[] = {
- {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV800T,
- name: "AMD AM29LV800T",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV800B,
- name: "AMD AM29LV800B",
- DevSize: SIZE_1MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,15),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV160T,
- name: "AMD AM29LV160T",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x10000,31),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x04000,1)
- }
- }, {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV160B,
- name: "AMD AM29LV160B",
- DevSize: SIZE_2MiB,
- NumEraseRegions: 4,
- regions: {ERASEINFO(0x04000,1),
- ERASEINFO(0x02000,2),
- ERASEINFO(0x08000,1),
- ERASEINFO(0x10000,31)
- }
- }, {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV320T,
- name: "AMD AM29LV320T",
- DevSize: SIZE_4MiB,
- NumEraseRegions: 2,
- regions: {ERASEINFO(0x10000,63),
- ERASEINFO(0x02000,8)
- }
-
- }, {
- mfr_id: (uint16_t)AMD_MANUFACT,
- dev_id: (uint16_t)AMD_ID_LV320B,
- name: "AMD AM29LV320B",
- DevSize: SIZE_4MiB,
- NumEraseRegions: 2,
- regions: {ERASEINFO(0x02000,8),
- ERASEINFO(0x10000,63)
- }
- }
-};
-
-static ulong cfi_init(uint32_t base, flash_info_t *flash)
-{
- int sector;
- int block;
- int block_count;
- int offset = 0;
- int reverse = 0;
- int primary;
- int mfr_id;
- int dev_id;
-
- flash->start[0] = base;
- cfi_cmd(flash, 0xF0, 0);
- cfi_cmd(flash, 0x98, 0);
- if ( !( cfi_read_query(flash, 0x10) == 'Q' &&
- cfi_read_query(flash, 0x11) == 'R' &&
- cfi_read_query(flash, 0x12) == 'Y' )) {
- cfi_cmd(flash, 0xff, 0);
- return 0;
- }
-
- flash->size = 1 << cfi_read_query(flash, 0x27);
- flash->size *= 4;
- block_count = cfi_read_query(flash, 0x2c);
- primary = cfi_read_query(flash, 0x15);
- if ( cfi_read_query(flash, primary + 4) == 0x30)
- reverse = (cfi_read_query(flash, 0x1) & 0x01);
- else
- reverse = (cfi_read_query(flash, primary+15) == 3);
-
- flash->sector_count = 0;
-
- for ( block = reverse ? block_count - 1 : 0;
- reverse ? block >= 0 : block < block_count;
- reverse ? block-- : block ++) {
- int sector_size =
- (cfi_read_query(flash, 0x2d + block*4+2) |
- (cfi_read_query(flash, 0x2d + block*4+3) << 8)) << 8;
- int sector_count =
- (cfi_read_query(flash, 0x2d + block*4+0) |
- (cfi_read_query(flash, 0x2d + block*4+1) << 8)) + 1;
- for(sector = 0; sector < sector_count; sector++) {
- flash->start[flash->sector_count++] = base + offset;
- offset += sector_size * 4;
- }
- }
- mfr_id = cfi_read_query(flash, 0x00);
- dev_id = cfi_read_query(flash, 0x01);
-
- cfi_cmd(flash, 0xff, 0);
-
- flash->flash_id = (mfr_id << 16) | dev_id;
-
- for (sector = 0; sector < flash->sector_count; sector++) {
- write32(flash->start[sector], 0x00600060);
- write32(flash->start[sector], 0x00d000d0);
- }
- cfi_cmd(flash, 0xff, 0);
-
- for (sector = 0; sector < flash->sector_count; sector++)
- flash->protect[sector] = 0;
-
- do_flash_erase = cfi_erase;
- write_dword = cfi_write_dword;
-
- return flash->size;
-}
-
-static ulong jedec_init(unsigned long base, flash_info_t *flash)
-{
- int i;
- int block, block_count;
- int sector, offset;
- int mfr_id, dev_id;
- flash->start[0] = base;
- cfi_cmd(flash, 0xF0, 0x000);
- cfi_cmd(flash, 0xAA, 0x555);
- cfi_cmd(flash, 0x55, 0x2AA);
- cfi_cmd(flash, 0x90, 0x555);
- mfr_id = cfi_read_query(flash, 0x000);
- dev_id = cfi_read_query(flash, 0x0001);
- cfi_cmd(flash, 0xf0, 0x000);
-
- for(i=0; i<sizeof(jedec_table)/sizeof(struct jedec_flash_info); i++) {
- if((jedec_table[i].mfr_id == mfr_id) &&
- (jedec_table[i].dev_id == dev_id)) {
-
- flash->flash_id = (mfr_id << 16) | dev_id;
- flash->size = 1 << jedec_table[0].DevSize;
- flash->size *= 4;
- block_count = jedec_table[i].NumEraseRegions;
- offset = 0;
- flash->sector_count = 0;
- for (block = 0; block < block_count; block++) {
- int sector_size = jedec_table[i].regions[block];
- int sector_count = (sector_size & 0xff) + 1;
- sector_size >>= 8;
- for (sector=0; sector<sector_count; sector++) {
- flash->start[flash->sector_count++] =
- base + offset;
- offset += sector_size * 4;
- }
- }
- break;
- }
- }
-
- for (sector = 0; sector < flash->sector_count; sector++)
- flash->protect[sector] = 0;
-
- do_flash_erase = jedec_erase;
- write_dword = jedec_write_dword;
-
- return flash->size;
-}
-
-inline void mtibat1u(unsigned int x)
-{
- __asm__ __volatile__ ("mtspr 530, %0" :: "r" (x));
-}
-
-inline void mtibat1l(unsigned int x)
-{
- __asm__ __volatile__ ("mtspr 531, %0" :: "r" (x));
-}
-
-inline void mtdbat1u(unsigned int x)
-{
- __asm__ __volatile__ ("mtspr 538, %0" :: "r" (x));
-}
-
-inline void mtdbat1l(unsigned int x)
-{
- __asm__ __volatile__ ("mtspr 539, %0" :: "r" (x));
-}
-
-unsigned long flash_init (void)
-{
- unsigned long size = 0;
- int i;
- unsigned int msr;
-
- /* BAT1 */
- CONFIG_WRITE_WORD(ERCR3, 0x0C00000C);
- CONFIG_WRITE_WORD(ERCR4, 0x0800000C);
- msr = get_msr();
- set_msr(msr & ~(MSR_IR | MSR_DR));
- mtibat1l(0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
- mtibat1u(0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
- mtdbat1l(0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
- mtdbat1u(0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
- set_msr(msr);
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
- flash_info[i].flash_id = FLASH_UNKNOWN;
- size = cfi_init(FLASH_BASE0_PRELIM, &flash_info[0]);
- if (!size)
- size = jedec_init(FLASH_BASE0_PRELIM, &flash_info[0]);
-
- if (flash_info[0].flash_id == FLASH_UNKNOWN)
- printf ("# Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
- size, size<<20);
-
- return size;
-}
-
-void flash_print_info (flash_info_t *flash)
-{
- int i;
- int k;
- int size;
- int erased;
- volatile unsigned long *p;
-
- if (flash->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- flash_init();
- }
-
- if (flash->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- return;
- }
-
- switch (((flash->flash_id) >> 16) & 0xff) {
- case 0x01:
- printf ("AMD ");
- break;
- case 0x04:
- printf("FUJITSU ");
- break;
- case 0x20:
- printf("STM ");
- break;
- case 0xBF:
- printf("SST ");
- break;
- case 0x89:
- case 0xB0:
- printf("INTEL ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch ((flash->flash_id) & 0xffff) {
- case (uint16_t)AMD_ID_LV800T:
- printf ("AM29LV800T\n");
- break;
- case (uint16_t)AMD_ID_LV800B:
- printf ("AM29LV800B\n");
- break;
- case (uint16_t)AMD_ID_LV160T:
- printf ("AM29LV160T\n");
- break;
- case (uint16_t)AMD_ID_LV160B:
- printf ("AM29LV160B\n");
- break;
- case (uint16_t)AMD_ID_LV320T:
- printf ("AM29LV320T\n");
- break;
- case (uint16_t)AMD_ID_LV320B:
- printf ("AM29LV320B\n");
- break;
- case (uint16_t)INTEL_ID_28F800C3T:
- printf ("28F800C3T\n");
- break;
- case (uint16_t)INTEL_ID_28F800C3B:
- printf ("28F800C3B\n");
- break;
- case (uint16_t)INTEL_ID_28F160C3T:
- printf ("28F160C3T\n");
- break;
- case (uint16_t)INTEL_ID_28F160C3B:
- printf ("28F160C3B\n");
- break;
- case (uint16_t)INTEL_ID_28F320C3T:
- printf ("28F320C3T\n");
- break;
- case (uint16_t)INTEL_ID_28F320C3B:
- printf ("28F320C3B\n");
- break;
- case (uint16_t)INTEL_ID_28F640C3T:
- printf ("28F640C3T\n");
- break;
- case (uint16_t)INTEL_ID_28F640C3B:
- printf ("28F640C3B\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- break;
- }
-
- if (flash->size >= (1 << 20)) {
- printf (" Size: %ld MB in %d Sectors\n",
- flash->size >> 20, flash->sector_count);
- } else {
- printf (" Size: %ld kB in %d Sectors\n",
- flash->size >> 10, flash->sector_count);
- }
-
- printf (" Sector Start Addresses:");
- for (i = 0; i < flash->sector_count; ++i) {
- /* Check if whole sector is erased*/
- if (i != (flash->sector_count-1))
- size = flash->start[i+1] - flash->start[i];
- else
- size = flash->start[0] + flash->size - flash->start[i];
-
- erased = 1;
- p = (volatile unsigned long *)flash->start[i];
- size = size >> 2; /* divide by 4 for longword access */
- for (k=0; k<size; k++) {
- if (*p++ != 0xffffffff) {
- erased = 0;
- break;
- }
- }
-
- if ((i % 5) == 0)
- printf ("\n ");
-
- printf (" %08lX%s%s",
- flash->start[i],
- erased ? " E" : " ",
- flash->protect[i] ? "RO " : " ");
- }
- printf ("\n");
-}
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