upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
389 lines
8.8 KiB
389 lines
8.8 KiB
/*
|
|
* U-boot - BF537.c
|
|
*
|
|
* Copyright (c) 2005-2007 Analog Devices Inc.
|
|
*
|
|
* (C) Copyright 2000-2004
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <config.h>
|
|
#include <command.h>
|
|
#include <asm/blackfin.h>
|
|
#include <asm/io.h>
|
|
#include <net.h>
|
|
#include <asm/mach-common/bits/bootrom.h>
|
|
|
|
/**
|
|
* is_valid_ether_addr - Determine if the given Ethernet address is valid
|
|
* @addr: Pointer to a six-byte array containing the Ethernet address
|
|
*
|
|
* Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
|
|
* a multicast address, and is not FF:FF:FF:FF:FF:FF.
|
|
*
|
|
* Return true if the address is valid.
|
|
*/
|
|
static inline int is_valid_ether_addr(const u8 * addr)
|
|
{
|
|
/* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
|
|
* explicitly check for it here. */
|
|
return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
|
|
}
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#define POST_WORD_ADDR 0xFF903FFC
|
|
|
|
int checkboard(void)
|
|
{
|
|
printf("Board: ADI BF537 stamp board\n");
|
|
printf(" Support: http://blackfin.uclinux.org/\n");
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_BFIN_IDE)
|
|
|
|
void cf_outb(unsigned char val, volatile unsigned char *addr)
|
|
{
|
|
*(addr) = val;
|
|
SSYNC();
|
|
}
|
|
|
|
unsigned char cf_inb(volatile unsigned char *addr)
|
|
{
|
|
volatile unsigned char c;
|
|
|
|
c = *(addr);
|
|
SSYNC();
|
|
|
|
return c;
|
|
}
|
|
|
|
void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < words; i++)
|
|
*(sect_buf + i) = *(addr);
|
|
SSYNC();
|
|
}
|
|
|
|
void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < words; i++)
|
|
*(addr) = *(sect_buf + i);
|
|
SSYNC();
|
|
}
|
|
#endif /* CONFIG_BFIN_IDE */
|
|
|
|
phys_size_t initdram(int board_type)
|
|
{
|
|
#ifdef DEBUG
|
|
int brate;
|
|
char *tmp = getenv("baudrate");
|
|
brate = simple_strtoul(tmp, NULL, 16);
|
|
printf("Serial Port initialized with Baud rate = %x\n", brate);
|
|
printf("SDRAM attributes:\n");
|
|
printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
|
|
"tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
|
|
3, 3, 6, 2, 3);
|
|
printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
|
|
printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
|
|
#endif
|
|
gd->bd->bi_memstart = CFG_SDRAM_BASE;
|
|
gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
|
|
return CFG_MAX_RAM_SIZE;
|
|
}
|
|
|
|
#if defined(CONFIG_MISC_INIT_R)
|
|
/* miscellaneous platform dependent initialisations */
|
|
int misc_init_r(void)
|
|
{
|
|
#if defined(CONFIG_CMD_NET)
|
|
char nid[32];
|
|
unsigned char *pMACaddr = (unsigned char *)0x203F0000;
|
|
|
|
/* The 0xFF check here is to make sure we don't use the address
|
|
* in flash if it's simply been erased (aka all 0xFF values) */
|
|
if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
|
|
sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
|
|
pMACaddr[0], pMACaddr[1],
|
|
pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
|
|
setenv("ethaddr", nid);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_BFIN_IDE)
|
|
#if defined(CONFIG_BFIN_TRUE_IDE)
|
|
/* Enable ATASEL when in True IDE mode */
|
|
printf("Using CF True IDE Mode\n");
|
|
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
|
|
udelay(1000);
|
|
#elif defined(CONFIG_BFIN_CF_IDE)
|
|
/* Disable ATASEL when we're in Common Memory Mode */
|
|
printf("Using CF Common Memory Mode\n");
|
|
cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
|
|
udelay(1000);
|
|
#elif defined(CONFIG_BFIN_HDD_IDE)
|
|
printf("Using HDD IDE Mode\n");
|
|
#endif
|
|
ide_init();
|
|
#endif /* CONFIG_BFIN_IDE */
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_MISC_INIT_R */
|
|
|
|
#ifdef CONFIG_POST
|
|
/* Using sw10-PF5 as the hotkey */
|
|
int post_hotkeys_pressed(void)
|
|
{
|
|
int delay = 3;
|
|
int i;
|
|
unsigned short value;
|
|
|
|
*pPORTF_FER &= ~PF5;
|
|
*pPORTFIO_DIR &= ~PF5;
|
|
*pPORTFIO_INEN |= PF5;
|
|
|
|
printf("########Press SW10 to enter Memory POST########: %2d ", delay);
|
|
while (delay--) {
|
|
for (i = 0; i < 100; i++) {
|
|
value = *pPORTFIO & PF5;
|
|
if (value != 0) {
|
|
break;
|
|
}
|
|
udelay(10000);
|
|
}
|
|
printf("\b\b\b%2d ", delay);
|
|
}
|
|
printf("\b\b\b 0");
|
|
printf("\n");
|
|
if (value == 0)
|
|
return 0;
|
|
else {
|
|
printf("Hotkey has been pressed, Enter POST . . . . . .\n");
|
|
return 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
|
|
void post_word_store(ulong a)
|
|
{
|
|
volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
|
|
*save_addr = a;
|
|
}
|
|
|
|
ulong post_word_load(void)
|
|
{
|
|
volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
|
|
return *save_addr;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_POST
|
|
int uart_post_test(int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#define BLOCK_SIZE 0x10000
|
|
#define VERIFY_ADDR 0x2000000
|
|
extern int erase_block_flash(int);
|
|
extern int write_data(long lStart, long lCount, uchar * pnData);
|
|
int flash_post_test(int flags)
|
|
{
|
|
unsigned short *pbuf, *temp;
|
|
int offset, n, i;
|
|
int value = 0;
|
|
int result = 0;
|
|
printf("\n");
|
|
pbuf = (unsigned short *)VERIFY_ADDR;
|
|
temp = pbuf;
|
|
for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
|
|
offset = (n - 7) * BLOCK_SIZE;
|
|
printf("--------Erase block:%2d..", n);
|
|
erase_block_flash(n);
|
|
printf("OK\r");
|
|
printf("--------Program block:%2d...", n);
|
|
write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
|
|
printf("OK\r");
|
|
printf("--------Verify block:%2d...", n);
|
|
for (i = 0; i < BLOCK_SIZE; i += 2) {
|
|
if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
|
|
*temp++) {
|
|
value = 1;
|
|
result = 1;
|
|
}
|
|
}
|
|
if (value)
|
|
printf("failed\n");
|
|
else
|
|
printf("OK %3d%%\r",
|
|
(int)(
|
|
(n + 1 -
|
|
FLASH_START_POST_BLOCK) *
|
|
100 / (FLASH_END_POST_BLOCK -
|
|
FLASH_START_POST_BLOCK)));
|
|
|
|
temp = pbuf;
|
|
value = 0;
|
|
}
|
|
printf("\n");
|
|
if (result)
|
|
return -1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************
|
|
* LED1 ---- PF6 LED2 ---- PF7 *
|
|
* LED3 ---- PF8 LED4 ---- PF9 *
|
|
* LED5 ---- PF10 LED6 ---- PF11 *
|
|
****************************************************/
|
|
int led_post_test(int flags)
|
|
{
|
|
*pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
|
|
*pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
|
|
*pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
|
|
*pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
|
|
udelay(1000000);
|
|
printf("LED1 on");
|
|
*pPORTFIO |= PF6;
|
|
udelay(1000000);
|
|
printf("\b\b\b\b\b\b\b");
|
|
printf("LED2 on");
|
|
*pPORTFIO |= PF7;
|
|
udelay(1000000);
|
|
printf("\b\b\b\b\b\b\b");
|
|
printf("LED3 on");
|
|
*pPORTFIO |= PF8;
|
|
udelay(1000000);
|
|
printf("\b\b\b\b\b\b\b");
|
|
printf("LED4 on");
|
|
*pPORTFIO |= PF9;
|
|
udelay(1000000);
|
|
printf("\b\b\b\b\b\b\b");
|
|
printf("LED5 on");
|
|
*pPORTFIO |= PF10;
|
|
udelay(1000000);
|
|
printf("\b\b\b\b\b\b\b");
|
|
printf("lED6 on");
|
|
*pPORTFIO |= PF11;
|
|
printf("\b\b\b\b\b\b\b ");
|
|
return 0;
|
|
}
|
|
|
|
/************************************************
|
|
* SW10 ---- PF5 SW11 ---- PF4 *
|
|
* SW12 ---- PF3 SW13 ---- PF2 *
|
|
************************************************/
|
|
int button_post_test(int flags)
|
|
{
|
|
int i, delay = 5;
|
|
unsigned short value = 0;
|
|
int result = 0;
|
|
|
|
*pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
|
|
*pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
|
|
*pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
|
|
|
|
printf("\n--------Press SW10: %2d ", delay);
|
|
while (delay--) {
|
|
for (i = 0; i < 100; i++) {
|
|
value = *pPORTFIO & PF5;
|
|
if (value != 0) {
|
|
break;
|
|
}
|
|
udelay(10000);
|
|
}
|
|
printf("\b\b\b%2d ", delay);
|
|
}
|
|
if (value != 0)
|
|
printf("\b\bOK");
|
|
else {
|
|
result = -1;
|
|
printf("\b\bfailed");
|
|
}
|
|
|
|
delay = 5;
|
|
printf("\n--------Press SW11: %2d ", delay);
|
|
while (delay--) {
|
|
for (i = 0; i < 100; i++) {
|
|
value = *pPORTFIO & PF4;
|
|
if (value != 0) {
|
|
break;
|
|
}
|
|
udelay(10000);
|
|
}
|
|
printf("\b\b\b%2d ", delay);
|
|
}
|
|
if (value != 0)
|
|
printf("\b\bOK");
|
|
else {
|
|
result = -1;
|
|
printf("\b\bfailed");
|
|
}
|
|
|
|
delay = 5;
|
|
printf("\n--------Press SW12: %2d ", delay);
|
|
while (delay--) {
|
|
for (i = 0; i < 100; i++) {
|
|
value = *pPORTFIO & PF3;
|
|
if (value != 0) {
|
|
break;
|
|
}
|
|
udelay(10000);
|
|
}
|
|
printf("\b\b\b%2d ", delay);
|
|
}
|
|
if (value != 0)
|
|
printf("\b\bOK");
|
|
else {
|
|
result = -1;
|
|
printf("\b\bfailed");
|
|
}
|
|
|
|
delay = 5;
|
|
printf("\n--------Press SW13: %2d ", delay);
|
|
while (delay--) {
|
|
for (i = 0; i < 100; i++) {
|
|
value = *pPORTFIO & PF2;
|
|
if (value != 0) {
|
|
break;
|
|
}
|
|
udelay(10000);
|
|
}
|
|
printf("\b\b\b%2d ", delay);
|
|
}
|
|
if (value != 0)
|
|
printf("\b\bOK");
|
|
else {
|
|
result = -1;
|
|
printf("\b\bfailed");
|
|
}
|
|
printf("\n");
|
|
return result;
|
|
}
|
|
#endif
|
|
|