/*
* Copyright 2013 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/io.h>
#include <miiphy.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <fsl_mdio.h>
#include <tsec.h>
#include <mmc.h>
#include <netdev.h>
#include <pci.h>
#include <fsl_ifc.h>
#include <asm/fsl_pci.h>
#include "cpld.h"
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
struct cpu_type *cpu = gd->arch.cpu;
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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*
* Hacked for the Hymod board by Murray.Jensen@csiro.au, 20-Oct-00
*/
#include <common.h>
#include <mpc8260.h>
#include <board/hymod/flash.h>
flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Protection Flags:
*/
#define FLAG_PROTECT_SET 0x01
#define FLAG_PROTECT_CLEAR 0x02
/*-----------------------------------------------------------------------
*/
/*
* probe for flash bank at address "base" and store info about it
* in the flash_info entry "fip". Fatal error if nothing there.
*/
static void
bank_probe (flash_info_t *fip, volatile bank_addr_t base)
{
volatile bank_addr_t addr;
bank_word_t word;
int i;
/* reset the flash */
*base = BANK_CMD_RST;
/* put flash into read id mode */
*base = BANK_CMD_RD_ID;
/* check the manufacturer id - must be intel */
word = *BANK_REG_MAN_CODE (base);
if (word != BANK_FILL_WORD (INTEL_MANUFACT&0xff))
panic ("\nbad manufacturer's code (0x%08lx) at addr 0x%08lx",
(unsigned long)word, (unsigned long)base);
/* check the device id */
word = *BANK_REG_DEV_CODE (base);
switch (word) {
case BANK_FILL_WORD (INTEL_ID_28F320J5&0xff):
fip->flash_id = FLASH_MAN_INTEL | FLASH_28F320J5;
fip->sector_count = 32;
break;
case BANK_FILL_WORD (INTEL_ID_28F640J5&0xff):
fip->flash_id = FLASH_MAN_INTEL | FLASH_28F640J5;
fip->sector_count = 64;
break;
case BANK_FILL_WORD (INTEL_ID_28F320J3A&0xff):
fip->flash_id = FLASH_MAN_INTEL | FLASH_28F320J3A;
fip->sector_count = 32;
break;
case BANK_FILL_WORD (INTEL_ID_28F640J3A&0xff):
fip->flash_id = FLASH_MAN_INTEL | FLASH_28F640J3A;
fip->sector_count = 64;
break;
case BANK_FILL_WORD (INTEL_ID_28F128J3A&0xff):
fip->flash_id = FLASH_MAN_INTEL | FLASH_28F128J3A;
fip->sector_count = 128;
break;
default:
panic ("\nbad device code (0x%08lx) at addr 0x%08lx",
(unsigned long)word, (unsigned long)base);
}
if (fip->sector_count >= CONFIG_SYS_MAX_FLASH_SECT)
panic ("\ntoo many sectors (%d) in flash at address 0x%08lx",
fip->sector_count, (unsigned long)base);
addr = base;
for (i = 0; i < fip->sector_count; i++) {
fip->start[i] = (unsigned long)addr;
fip->protect[i] = 0;
addr = BANK_ADDR_NEXT_BLK (addr);
}
fip->size = (bank_size_t)addr - (bank_size_t)base;
/* reset the flash */
*base = BANK_CMD_RST;
}
static void
bank_reset (flash_info_t *info, int sect)
{
volatile bank_addr_t addr = (bank_addr_t)info->start[sect];
#ifdef FLASH_DEBUG
printf ("writing reset cmd to addr 0x%08lx\n", (unsigned long)addr);
#endif
*addr = BANK_CMD_RST;
}
static void
bank_erase_init (flash_info_t *info, int sect)
{
volatile bank_addr_t addr = (bank_addr_t)info->start[sect];
int flag;
#ifdef FLASH_DEBUG
printf ("erasing sector %d, addr = 0x%08lx\n",
sect, (unsigned long)addr);
#endif
/* Disable intrs which might cause a timeout here */
flag = disable_interrupts ();
#ifdef FLASH_DEBUG
printf ("writing erase cmd to addr 0x%08lx\n", (unsigned long)addr);
#endif
*addr = BANK_CMD_ERASE1;
*addr = BANK_CMD_ERASE2;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
}
static int
bank_erase_poll (flash_info_t *info, int sect)
{
volatile bank_addr_t addr = (bank_addr_t)info->start[sect];
bank_word_t stat = *addr;
#ifdef FLASH_DEBUG
printf ("checking status at addr 0x%08lx [0x%08lx]\n",
(unsigned long)addr, (unsigned long)stat);
#endif
if ((stat & BANK_STAT_RDY) == BANK_STAT_RDY) {
if ((stat & BANK_STAT_ERR) != 0) {
printf ("failed on sector %d [0x%08lx] at "
"address 0x%08lx\n", sect,
(unsigned long)stat, (unsigned long)addr);
*addr = BANK_CMD_CLR_STAT;
return (-1);
}
else
return (1);
}
else
return (0);
}
static int
bank_write_word (volatile bank_addr_t addr, bank_word_t value)
{
bank_word_t stat;
ulong start;
int flag, retval;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = BANK_CMD_PROG;
*addr = value;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
retval = 0;
/* data polling for D7 */
start = get_timer (0);
do {
if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
retval = 1;
goto done;
}
stat = *addr;
} while ((stat & BANK_STAT_RDY) != BANK_STAT_RDY);
if ((stat & BANK_STAT_ERR) != 0) {
printf ("flash program failed [0x%08lx] at address 0x%08lx\n",
(unsigned long)stat, (unsigned long)addr);
*addr = BANK_CMD_CLR_STAT;
retval = 3;
}
done:
/* reset to read mode */
*addr = BANK_CMD_RST;
return (retval);
}
/*-----------------------------------------------------------------------
*/
unsigned long
flash_init (void)
{
int i;
/* Init: no FLASHes known */
for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
bank_probe (&flash_info[0], (bank_addr_t)CONFIG_SYS_FLASH_BASE);
/*
* protect monitor and environment sectors
*/
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
(void)flash_protect (FLAG_PROTECT_SET,
CONFIG_SYS_MONITOR_BASE,
CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
&flash_info[0]);
#endif
#if defined(CONFIG_SYS_FLASH_ENV_ADDR)
(void)flash_protect (FLAG_PROTECT_SET,
CONFIG_SYS_FLASH_ENV_ADDR,
#if defined(CONFIG_SYS_FLASH_ENV_BUF)
CONFIG_SYS_FLASH_ENV_ADDR + CONFIG_SYS_FLASH_ENV_BUF - 1,
#else
CONFIG_SYS_FLASH_ENV_ADDR + CONFIG_SYS_FLASH_ENV_SIZE - 1,
#endif
&flash_info[0]);
#endif
return flash_info[0].size;
}
/*-----------------------------------------------------------------------
*/
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_INTEL: printf ("INTEL "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F320J5: printf ("28F320J5 (32 Mbit, 2 x 16bit)\n");
break;
case FLASH_28F640J5: printf ("28F640J5 (64 Mbit, 2 x 16bit)\n");
break;
case FLASH_28F320J3A: printf ("28F320J3A (32 Mbit, 2 x 16bit)\n");
break;
case FLASH_28F640J3A: printf ("28F640J3A (64 Mbit, 2 x 16bit)\n");
break;
case FLASH_28F128J3A: printf ("28F320J3A (128 Mbit, 2 x 16bit)\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) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " "
);
}
printf ("\n");
return;
}
/*
* The following code cannot be run from FLASH!
*/
/*-----------------------------------------------------------------------
*/
int
flash_erase (flash_info_t *info, int s_first, int s_last)
{
int prot, sect, haderr;
ulong start, now, last;
int rcode = 0;
#ifdef FLASH_DEBUG
printf ("\nflash_erase: erase %d sectors (%d to %d incl.) from\n"
" Bank # %d: ", s_last - s_first + 1, s_first, s_last,
(info - flash_info) + 1);
flash_print_info (info);
#endif
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;
}
prot = 0;
for (sect = s_first; sect <= s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
if (prot) {
printf ("- Warning: %d protected sector%s will not be erased\n",
prot, (prot > 1 ? "s" : ""));
}
start = get_timer (0);
last = 0;
haderr = 0;
for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
ulong estart;
int sectdone;
bank_erase_init (info, sect);
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
estart = get_timer (start);
do {
now = get_timer (start);
if (now - estart > CONFIG_SYS_FLASH_ERASE_TOUT) {
printf ("Timeout (sect %d)\n", sect);
haderr = 1;
rcode = 1;
break;
}
#ifndef FLASH_DEBUG
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
#endif
sectdone = bank_erase_poll (info, sect);
if (sectdone < 0) {
haderr = 1;
rcode = 1;
break;
}
} while (!sectdone);
if (haderr)
break;
}
}
if (haderr > 0)
printf (" failed\n");
else
printf (" done\n");
/* reset to read mode */
for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
bank_reset (info, sect);
}
}
return rcode;
}
/*-----------------------------------------------------------------------
* Write a word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* 3 - Program failed
*/
static int
write_word (flash_info_t *info, ulong dest, ulong data)
{
/* Check if Flash is (sufficiently) erased */
if ((*(ulong *)dest & data) != data)
return (2);
return (bank_write_word ((bank_addr_t)dest, (bank_word_t)data));
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* 3 - Program failed
*/
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) {
data = (data << 8) | (*(uchar *)cp);
}
for (; i<4 && cnt>0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt==0 && i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
if ((rc = write_word (info, wp, data)) != 0) {
return (rc);
}
wp += 4;
}
/*
* handle word aligned part
*/
while (cnt >= 4) {
data = 0;
for (i=0; i<4; ++i) {
data = (data << 8) | *src++;
}
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) {
data = (data << 8) | *src++;
--cnt;
}
for (; i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
return (write_word (info, wp, data));
}
/*-----------------------------------------------------------------------
*/
