diff options
Diffstat (limited to 'board/bf537-stamp/bf537-stamp.c')
| -rw-r--r-- | board/bf537-stamp/bf537-stamp.c | 437 |
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..47f7c9e --- /dev/null +++ b/board/bf537-stamp/bf537-stamp.c @@ -0,0 +1,437 @@ +/* + * 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 "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 |