diff options
Diffstat (limited to 'board/amcc/sequoia/cmd_sequoia.c')
| -rw-r--r-- | board/amcc/sequoia/cmd_sequoia.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/board/amcc/sequoia/cmd_sequoia.c b/board/amcc/sequoia/cmd_sequoia.c deleted file mode 100644 index 01dd97c..0000000 --- a/board/amcc/sequoia/cmd_sequoia.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * (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> -#include <asm/io.h> - -/* - * There are 2 versions of production Sequoia & Rainier platforms. - * The primary difference is the reference clock. Those with - * 33333333 reference clocks will also have 667MHz rated - * processors. Not enough differences to have unique clock - * settings. - * - * NOR and NAND boot options change bytes 6, 7, 8, 9, 11. The - * values are independent of the rest of the clock settings. - * - * All Sequoias & Rainiers select from two possible EEPROMs in Boot - * Config F. One for 33MHz PCI, one for 66MHz PCI. The following - * values are for the 33MHz PCI configuration. Byte 5 (0 base) is - * the only value affected for a 33MHz PCI and simply needs a | 0x08. - */ - -#define NAND_COMPATIBLE 0x01 -#define NOR_COMPATIBLE 0x02 - -/* check with Stefan on CONFIG_SYS_I2C_EEPROM_ADDR */ -#define I2C_EEPROM_ADDR 0x52 - -static char *config_labels[] = { - "CPU: 333 PLB: 133 OPB: 66 EBC: 66", - "CPU: 333 PLB: 166 OPB: 83 EBC: 55", - "CPU: 400 PLB: 133 OPB: 66 EBC: 66", - "CPU: 400 PLB: 160 OPB: 80 EBC: 53", - "CPU: 416 PLB: 166 OPB: 83 EBC: 55", - "CPU: 500 PLB: 166 OPB: 83 EBC: 55", - "CPU: 533 PLB: 133 OPB: 66 EBC: 66", - "CPU: 667 PLB: 133 OPB: 66 EBC: 66", - "CPU: 667 PLB: 166 OPB: 83 EBC: 55", - NULL -}; - -static u8 boot_configs[][17] = { - { - (NOR_COMPATIBLE), - 0x84, 0x70, 0xa2, 0xa6, 0x05, 0x57, 0xa0, 0x10, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0xc7, 0x78, 0xf3, 0x4e, 0x05, 0xd7, 0xa0, 0x30, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NOR_COMPATIBLE), - 0x86, 0x78, 0xc2, 0xc6, 0x05, 0x57, 0xa0, 0x30, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NOR_COMPATIBLE), - 0x86, 0x78, 0xc2, 0xa6, 0x05, 0xd7, 0xa0, 0x10, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0xc6, 0x78, 0x52, 0xa6, 0x05, 0xd7, 0xa0, 0x10, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0xc7, 0x78, 0x52, 0xc6, 0x05, 0xd7, 0xa0, 0x30, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NOR_COMPATIBLE), - 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xa0, 0x30, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NOR_COMPATIBLE), - 0x87, 0x78, 0xa2, 0x56, 0x09, 0x57, 0xa0, 0x30, 0x40, - 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 - }, - { - (NAND_COMPATIBLE | NOR_COMPATIBLE), - 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xa0, 0x30, 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 6,8,9,11 change for NAND boot - */ -static u8 nand_boot[] = { - 0xd0, 0xa0, 0x68, 0x58 -}; - -static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - u8 *buf, bNAND; - 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)) - bNAND = 1; - else - bNAND = 0; - - printf("Available configurations: \n\n"); - - if (bNAND) { - 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 (bNAND) { - 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 (bNAND) { - buf[6] = nand_boot[0]; - buf[8] = nand_boot[1]; - buf[9] = nand_boot[2]; - buf[11] = nand_boot[3]; - } - - /* check CPLD register +5 for PCI 66MHz flag */ - if ((in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & CONFIG_SYS_BCSR5_PCI66EN) == 0) - /* - * PLB-to-PCI divisor = 3 for 33MHz sync PCI - * instead of 2 for 66MHz systems - */ - buf[5] |= 0x08; - - 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" -); |