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author | Aubrey.Li <aubrey.adi@gmail.com> | 2007-03-09 13:38:44 +0800 |
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committer | Aubrey.Li <aubrey.adi@gmail.com> | 2007-03-09 13:38:44 +0800 |
commit | 3f0606ad0b5639f7f22848fe5b4574e754d0470f (patch) | |
tree | 3cb4fd316134b6a176607ad61739720aeb971a5a /board/stamp/stamp.c | |
parent | eb92f613556800f7483666db09d9a237ad911d4a (diff) | |
download | u-boot-imx-3f0606ad0b5639f7f22848fe5b4574e754d0470f.zip u-boot-imx-3f0606ad0b5639f7f22848fe5b4574e754d0470f.tar.gz u-boot-imx-3f0606ad0b5639f7f22848fe5b4574e754d0470f.tar.bz2 |
[Blackfin]PATCH-1/2]: Remove obsolete blackfin port and add bf533 platform support
Diffstat (limited to 'board/stamp/stamp.c')
-rw-r--r-- | board/stamp/stamp.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/board/stamp/stamp.c b/board/stamp/stamp.c deleted file mode 100644 index 7e3af20..0000000 --- a/board/stamp/stamp.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * U-boot - stamp.c STAMP board specific routines - * - * 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 <asm/mem_init.h> -#include "stamp.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define STATUS_LED_OFF 0 -#define STATUS_LED_ON 1 - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) -#else -# define SHOW_BOOT_PROGRESS(arg) -#endif - -int checkboard (void) -{ - printf ("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28); - printf ("Board: ADI BF533 Stamp board\n"); - printf (" Support: http://blackfin.uclinux.org/\n"); - printf (" Richard Klingler <richard@uclinux.net>\n"); - return 0; -} - -long int initdram (int board_type) -{ -#ifdef DEBUG - printf ("SDRAM attributes:\n"); - printf (" tRCD:%d Cycles; tRP:%d Cycles; tRAS:%d Cycles; tWR:%d Cycles; " - "CAS Latency:%d cycles\n", - (SDRAM_tRCD >> 15), - (SDRAM_tRP >> 11), - (SDRAM_tRAS >> 6), - (SDRAM_tWR >> 19), - (SDRAM_CL >> 2)); - printf ("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE); - printf ("Bank size = %d MB\n", 128); -#endif - gd->bd->bi_memstart = CFG_SDRAM_BASE; - gd->bd->bi_memsize = CFG_MAX_RAM_SIZE; - return (gd->bd->bi_memsize); -} - -void swap_to (int device_id) -{ - - if (device_id == ETHERNET) { - *pFIO_DIR = PF0; - asm ("ssync;"); - *pFIO_FLAG_S = PF0; - asm ("ssync;"); - } else if (device_id == FLASH) { - *pFIO_DIR = (PF4 | PF3 | PF2 | PF1 | PF0); - *pFIO_FLAG_S = (PF4 | PF3 | PF2); - *pFIO_MASKA_D = (PF8 | PF6 | PF5); - *pFIO_MASKB_D = (PF7); - *pFIO_POLAR = (PF8 | PF6 | PF5); - *pFIO_EDGE = (PF8 | PF7 | PF6 | PF5); - *pFIO_INEN = (PF8 | PF7 | PF6 | PF5); - *pFIO_FLAG_D = (PF4 | PF3 | PF2); - asm ("ssync;"); - } else { - printf ("Unknown bank to switch\n"); - } - - return; -} - -#if defined(CONFIG_MISC_INIT_R) -/* miscellaneous platform dependent initialisations */ -int misc_init_r (void) -{ - int i; - int cf_stat = 0; - - /* Check whether CF card is inserted */ - *pFIO_EDGE = FIO_EDGE_CF_BITS; - *pFIO_POLAR = FIO_POLAR_CF_BITS; - for (i = 0; i < 0x300; i++) - asm ("nop;"); - - if ((*pFIO_FLAG_S) & CF_STAT_BITS) { - cf_stat = 0; - } else { - cf_stat = 1; - } - - *pFIO_EDGE = FIO_EDGE_BITS; - *pFIO_POLAR = FIO_POLAR_BITS; - - - if (cf_stat) { - printf ("Booting from COMPACT flash\n"); - - /* Set cycle time for CF */ - *(volatile unsigned long *) ambctl1 = CF_AMBCTL1VAL; - - for (i = 0; i < 0x1000; i++) - asm ("nop;"); - for (i = 0; i < 0x1000; i++) - asm ("nop;"); - for (i = 0; i < 0x1000; i++) - asm ("nop;"); - - serial_setbrg (); - ide_init (); - - setenv ("bootargs", ""); - setenv ("bootcmd", - "fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000"); - } else { - printf ("Booting from FLASH\n"); - } - - return 1; -} -#endif - -#ifdef CONFIG_STAMP_CF - -void cf_outb (unsigned char val, volatile unsigned char *addr) -{ - /* - * Set PF1 PF0 respectively to 0 1 to divert address - * to the expansion memory banks - */ - *pFIO_FLAG_S = CF_PF0; - *pFIO_FLAG_C = CF_PF1; - asm ("ssync;"); - - *(addr) = val; - asm ("ssync;"); - - /* Setback PF1 PF0 to 0 0 to address external - * memory banks */ - *(volatile unsigned short *) pFIO_FLAG_C = CF_PF1_PF0; - asm ("ssync;"); -} - -unsigned char cf_inb (volatile unsigned char *addr) -{ - volatile unsigned char c; - - *pFIO_FLAG_S = CF_PF0; - *pFIO_FLAG_C = CF_PF1; - asm ("ssync;"); - - c = *(addr); - asm ("ssync;"); - - *pFIO_FLAG_C = CF_PF1_PF0; - asm ("ssync;"); - - return c; -} - -void cf_insw (unsigned short *sect_buf, unsigned short *addr, int words) -{ - int i; - - *pFIO_FLAG_S = CF_PF0; - *pFIO_FLAG_C = CF_PF1; - asm ("ssync;"); - - for (i = 0; i < words; i++) { - *(sect_buf + i) = *(addr); - asm ("ssync;"); - } - - *pFIO_FLAG_C = CF_PF1_PF0; - asm ("ssync;"); -} - -void cf_outsw (unsigned short *addr, unsigned short *sect_buf, int words) -{ - int i; - - *pFIO_FLAG_S = CF_PF0; - *pFIO_FLAG_C = CF_PF1; - asm ("ssync;"); - - for (i = 0; i < words; i++) { - *(addr) = *(sect_buf + i); - asm ("ssync;"); - } - - *pFIO_FLAG_C = CF_PF1_PF0; - asm ("ssync;"); -} -#endif - -void stamp_led_set (int LED1, int LED2, int LED3) -{ - *pFIO_INEN &= ~(PF2 | PF3 | PF4); - *pFIO_DIR |= (PF2 | PF3 | PF4); - - if (LED1 == STATUS_LED_OFF) - *pFIO_FLAG_S = PF2; - else - *pFIO_FLAG_C = PF2; - if (LED2 == STATUS_LED_OFF) - *pFIO_FLAG_S = PF3; - else - *pFIO_FLAG_C = PF3; - if (LED3 == STATUS_LED_OFF) - *pFIO_FLAG_S = PF4; - else - *pFIO_FLAG_C = PF4; - asm ("ssync;"); -} - -void show_boot_progress (int status) -{ - switch (status) { - case 1: - stamp_led_set (STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON); - break; - case 2: - stamp_led_set (STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF); - break; - case 3: - stamp_led_set (STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON); - break; - case 4: - stamp_led_set (STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF); - break; - case 5: - case 6: - stamp_led_set (STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON); - break; - case 7: - case 8: - stamp_led_set (STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF); - break; - case 9: - case 10: - case 11: - case 12: - case 13: - case 14: - case 15: - stamp_led_set (STATUS_LED_OFF, STATUS_LED_OFF, - STATUS_LED_OFF); - break; - default: - stamp_led_set (STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON); - break; - } -} |