diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/sequoia/Makefile | 2 | ||||
| -rw-r--r-- | board/amcc/sequoia/cmd_sequoia.c | 111 |
2 files changed, 112 insertions, 1 deletions
diff --git a/board/amcc/sequoia/Makefile b/board/amcc/sequoia/Makefile index 06ef7f9..e1c9ad4 100644 --- a/board/amcc/sequoia/Makefile +++ b/board/amcc/sequoia/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS = $(BOARD).o sdram.o +COBJS = $(BOARD).o cmd_sequoia.o sdram.o SOBJS = init.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/amcc/sequoia/cmd_sequoia.c b/board/amcc/sequoia/cmd_sequoia.c new file mode 100644 index 0000000..6fc60ea --- /dev/null +++ b/board/amcc/sequoia/cmd_sequoia.c @@ -0,0 +1,111 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 <command.h> +#include <i2c.h> + +static u8 boot_533_nor[] = { + 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 +}; + +static u8 boot_533_nand[] = { + 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xd0, 0x10, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 +}; + +static u8 boot_667_nor[] = { + 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 +}; + +static u8 boot_667_nand[] = { + 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xd0, 0x10, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 +}; + +static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + u8 chip; + u8 *buf; + int cpu_freq; + + if (argc < 3) { + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + cpu_freq = simple_strtol(argv[1], NULL, 10); + if (!((cpu_freq == 533) || (cpu_freq == 667))) { + printf("Unsupported cpu-frequency - only 533 and 667 supported\n"); + return 1; + } + + /* use 0x52 as I2C EEPROM address for now */ + chip = 0x52; + + if ((strcmp(argv[2], "nor") != 0) && + (strcmp(argv[2], "nand") != 0)) { + printf("Unsupported boot-device - only nor|nand support\n"); + return 1; + } + + if (strcmp(argv[2], "nand") == 0) { + switch (cpu_freq) { + default: + case 533: + buf = boot_533_nand; + break; + case 667: + buf = boot_667_nand; + break; + } + } else { + switch (cpu_freq) { + default: + case 533: + buf = boot_533_nor; + break; + case 667: + buf = boot_667_nor; + break; + } + } + + if (i2c_write(chip, 0, 1, buf, 16) != 0) + printf("Error writing to EEPROM at address 0x%x\n", chip); + udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000); + + printf("Done\n"); + printf("Please power-cycle the board for the changes to take effect\n"); + + return 0; +} + +U_BOOT_CMD( + bootstrap, 3, 0, do_bootstrap, + "bootstrap - program the I2C bootstrap EEPROM\n", + "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM\n" + ); |