[Blackfin][PATCH] Add BF537 stamp board support

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