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authorAubrey Li <aubrey.adi@gmail.com>2007-03-19 01:24:52 +0800
committerAubrey Li <aubrey.adi@gmail.com>2007-03-19 01:24:52 +0800
commit26bf7deca364a5b33f39e8f14ddd3f4081345015 (patch)
tree951854e1c59b9c13d706ef2419371f2ae9a01802 /board/bf537-stamp/bf537-stamp.c
parent0d93de11449390a5984b0236c3612e50f6dbb7e8 (diff)
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[Blackfin][PATCH] Add BF537 stamp board support
Diffstat (limited to 'board/bf537-stamp/bf537-stamp.c')
-rw-r--r--board/bf537-stamp/bf537-stamp.c437
1 files changed, 437 insertions, 0 deletions
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c
new file mode 100644
index 0000000..cc4e998
--- /dev/null
+++ b/board/bf537-stamp/bf537-stamp.c
@@ -0,0 +1,437 @@
+/*
+ * U-boot - BF537.c
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/io.h>
+#include "ether_bf537.h"
+
+#define POST_WORD_ADDR 0xFF903FFC
+
+/*
+ * the bootldr command loads an address, checks to see if there
+ * is a Boot stream that the on-chip BOOTROM can understand,
+ * and loads it via the BOOTROM Callback. It is possible
+ * to also add booting from SPI, or TWI, but this function does
+ * not currently support that.
+ */
+int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ ulong addr, entry;
+ ulong *data;
+
+ /* Get the address */
+ if (argc < 2) {
+ addr = load_addr;
+ } else {
+ addr = simple_strtoul(argv[1], NULL, 16);
+ }
+
+ /* Check if it is a LDR file */
+ data = (ulong *) addr;
+ if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
+ /* We want to boot from FLASH or SDRAM */
+ entry = _BOOTROM_BOOT_DXE_FLASH;
+ printf("## Booting ldr image at 0x%08lx ...\n", addr);
+ if (icache_status())
+ icache_disable();
+ if (dcache_status())
+ dcache_disable();
+
+ __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
+ :[a] "d"(addr),[b] "a"(entry)
+ :"R7", "P0");
+
+ } else {
+ printf("## No ldr image at address 0x%08lx\n", addr);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
+ "bootldr - boot ldr image from memory\n",
+ "[addr]\n - boot ldr image stored in memory\n");
+
+int checkboard(void)
+{
+#if (BFIN_CPU == ADSP_BF534)
+ printf("CPU: ADSP BF534 Rev.: 0.%d\n", *pCHIPID >> 28);
+#elif (BFIN_CPU == ADSP_BF536)
+ printf("CPU: ADSP BF536 Rev.: 0.%d\n", *pCHIPID >> 28);
+#else
+ printf("CPU: ADSP BF537 Rev.: 0.%d\n", *pCHIPID >> 28);
+#endif
+ 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;
+ sync();
+}
+
+unsigned char cf_inb(volatile unsigned char *addr)
+{
+ volatile unsigned char c;
+
+ c = *(addr);
+ sync();
+
+ 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);
+ sync();
+}
+
+void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
+{
+ int i;
+
+ for (i = 0; i < words; i++)
+ *(addr) = *(sect_buf + i);
+ sync();
+}
+#endif /* CONFIG_BFIN_IDE */
+
+long int initdram(int board_type)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+#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 (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
+ char nid[32];
+ unsigned char *pMACaddr = (unsigned char *)0x203F0000;
+ u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+ /* 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);
+ }
+ if (getenv("ethaddr")) {
+ SetupMacAddr(SrcAddr);
+ }
+#endif /* CONFIG_COMMANDS & CFG_CMD_NET */
+#endif /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
+
+#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
+#if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
+/* Using sw10-PF5 as the hotkey */
+int post_hotkeys_pressed(void)
+{
+ return 0;
+}
+#else
+/* 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
+#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