diff options
Diffstat (limited to 'board/amcc/canyonlands/bootstrap.c')
| -rw-r--r-- | board/amcc/canyonlands/bootstrap.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/board/amcc/canyonlands/bootstrap.c b/board/amcc/canyonlands/bootstrap.c deleted file mode 100644 index 6dc2cca..0000000 --- a/board/amcc/canyonlands/bootstrap.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * (C) Copyright 2008 - * 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> -#include <asm/io.h> - -/* - * NOR and NAND boot options change bytes 5, 6, 8, 9, 11. The - * values are independent of the rest of the clock settings. - */ - -#define NAND_COMPATIBLE 0x01 -#define NOR_COMPATIBLE 0x02 - -#define I2C_EEPROM_ADDR 0x52 - -static char *config_labels[] = { - "CPU: 600 PLB: 200 OPB: 100 EBC: 100", - "CPU: 800 PLB: 200 OPB: 100 EBC: 100", - "CPU:1000 PLB: 200 OPB: 100 EBC: 100", - "CPU:1066 PLB: 266 OPB: 88 EBC: 88", - NULL -}; - -static u8 boot_configs[][17] = { - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0x86, 0x82, 0x96, 0x19, 0xb9, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0x86, 0x80, 0xb3, 0x01, 0x9d, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 - } -}; - -/* - * Bytes 5,6,8,9,11 change for NAND boot - */ -#if 0 -/* - * Values for 512 page size NAND chips, not used anymore, just - * keep them here for reference - */ -static u8 nand_boot[] = { - 0x90, 0x01, 0xa0, 0x68, 0x58 -}; -#else -/* - * Values for 2k page size NAND chips - */ -static u8 nand_boot[] = { - 0x90, 0x01, 0xa0, 0xe8, 0x58 -}; -#endif - -static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - u8 *buf, b_nand; - int x, y, nbytes, selcfg; - extern char console_buffer[]; - - if (argc < 2) { - cmd_usage(cmdtp); - return 1; - } - - if ((strcmp(argv[1], "nor") != 0) && - (strcmp(argv[1], "nand") != 0)) { - printf("Unsupported boot-device - only nor|nand support\n"); - return 1; - } - - /* set the nand flag based on provided input */ - if ((strcmp(argv[1], "nand") == 0)) - b_nand = 1; - else - b_nand = 0; - - printf("Available configurations: \n\n"); - - if (b_nand) { - for(x = 0, y = 0; boot_configs[x][0] != 0; x++) { - /* filter on nand compatible */ - if (boot_configs[x][0] & NAND_COMPATIBLE) { - printf(" %d - %s\n", (y+1), config_labels[x]); - y++; - } - } - } else { - for(x = 0, y = 0; boot_configs[x][0] != 0; x++) { - /* filter on nor compatible */ - if (boot_configs[x][0] & NOR_COMPATIBLE) { - printf(" %d - %s\n", (y+1), config_labels[x]); - y++; - } - } - } - - do { - nbytes = readline(" Selection [1-x / quit]: "); - - if (nbytes) { - if (strcmp(console_buffer, "quit") == 0) - return 0; - selcfg = simple_strtol(console_buffer, NULL, 10); - if ((selcfg < 1) || (selcfg > y)) - nbytes = 0; - } - } while (nbytes == 0); - - - y = (selcfg - 1); - - for (x = 0; boot_configs[x][0] != 0; x++) { - if (b_nand) { - if (boot_configs[x][0] & NAND_COMPATIBLE) { - if (y > 0) - y--; - else if (y < 1) - break; - } - } else { - if (boot_configs[x][0] & NOR_COMPATIBLE) { - if (y > 0) - y--; - else if (y < 1) - break; - } - } - } - - buf = &boot_configs[x][1]; - - if (b_nand) { - buf[5] = nand_boot[0]; - buf[6] = nand_boot[1]; - buf[8] = nand_boot[2]; - buf[9] = nand_boot[3]; - buf[11] = nand_boot[4]; - } - - if (i2c_write(I2C_EEPROM_ADDR, 0, 1, buf, 16) != 0) - printf("Error writing to EEPROM at address 0x%x\n", I2C_EEPROM_ADDR); - udelay(CONFIG_SYS_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, 2, 0, do_bootstrap, - "program the I2C bootstrap EEPROM", - "<nand|nor> - strap to boot from NAND or NOR flash" -); |