diff --git a/board/amcc/canyonlands/Makefile b/board/amcc/canyonlands/Makefile index 2aeead60f9..12f8a642e7 100644 --- a/board/amcc/canyonlands/Makefile +++ b/board/amcc/canyonlands/Makefile @@ -25,10 +25,11 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS := $(BOARD).o -COBJS += bootstrap.o +COBJS-y := $(BOARD).o +COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.o SOBJS := init.o +COBJS := $(COBJS-y) SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) diff --git a/board/amcc/canyonlands/bootstrap.c b/board/amcc/canyonlands/bootstrap.c deleted file mode 100644 index 6dc2ccae96..0000000000 --- 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 -#include -#include -#include - -/* - * 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", - " - strap to boot from NAND or NOR flash" -); diff --git a/board/amcc/canyonlands/chip_config.c b/board/amcc/canyonlands/chip_config.c new file mode 100644 index 0000000000..e46f4d8ece --- /dev/null +++ b/board/amcc/canyonlands/chip_config.c @@ -0,0 +1,87 @@ +/* + * (C) Copyright 2008-2009 + * 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 +#include + +struct ppc4xx_config ppc4xx_config_val[] = { + { + "600-nor", "NOR CPU: 600 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "600-nand", "NAND CPU: 600 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x80, 0xce, 0x1f, 0x79, 0x90, 0x01, 0xa0, + 0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "800-nor", "NOR CPU: 800 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "800-nand", "NAND CPU: 800 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x80, 0xba, 0x14, 0x99, 0x90, 0x01, 0xa0, + 0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "1000-nor", "NOR CPU:1000 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x82, 0x96, 0x19, 0xb9, 0x80, 0x00, 0xa0, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "1000-nand", "NAND CPU:1000 PLB: 200 OPB: 100 EBC: 100", + { + 0x86, 0x82, 0x96, 0x19, 0xb9, 0x90, 0x01, 0xa0, + 0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "1066-nor", "NOR CPU:1066 PLB: 266 OPB: 88 EBC: 88", + { + 0x86, 0x80, 0xb3, 0x01, 0x9d, 0x80, 0x00, 0xa0, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "1066-nand", "NAND CPU:1066 PLB: 266 OPB: 88 EBC: 88", + { + 0x86, 0x80, 0xb3, 0x01, 0x9d, 0x90, 0x01, 0xa0, + 0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, +}; + +int ppc4xx_config_count = ARRAY_SIZE(ppc4xx_config_val); diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile index 6f52dfd14f..2050b17d81 100644 --- a/cpu/ppc4xx/Makefile +++ b/cpu/ppc4xx/Makefile @@ -41,6 +41,9 @@ endif COBJS += 4xx_pci.o COBJS += 4xx_pcie.o COBJS += bedbug_405.o +ifdef CONFIG_CMD_CHIP_CONFIG +COBJS += cmd_chip_config.o +endif COBJS += commproc.o COBJS += cpu.o COBJS += cpu_init.o diff --git a/cpu/ppc4xx/cmd_chip_config.c b/cpu/ppc4xx/cmd_chip_config.c new file mode 100644 index 0000000000..d360d5beec --- /dev/null +++ b/cpu/ppc4xx/cmd_chip_config.c @@ -0,0 +1,142 @@ +/* + * (C) Copyright 2008-2009 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2009 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 +#include +#include +#include +#include + +static void print_configs(int cur_config_nr) +{ + int i; + + for (i = 0; i < ppc4xx_config_count; i++) { + printf("%-16s - %s", ppc4xx_config_val[i].label, + ppc4xx_config_val[i].description); + if (i == cur_config_nr) + printf(" ***"); + printf("\n"); + } + +} + +static int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int i; + int ret; + int cur_config_nr = -1; + u8 cur_config[CONFIG_4xx_CONFIG_BLOCKSIZE]; + +#ifdef CONFIG_CMD_EEPROM + ret = eeprom_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, + CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET, + cur_config, CONFIG_4xx_CONFIG_BLOCKSIZE); +#else + ret = i2c_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, + CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET, + 1, cur_config, CONFIG_4xx_CONFIG_BLOCKSIZE); +#endif + if (ret) { + printf("Error reading EEPROM at addr 0x%x\n", + CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR); + return -1; + } + + /* + * Search the current configuration + */ + for (i = 0; i < ppc4xx_config_count; i++) { + if (memcmp(cur_config, ppc4xx_config_val[i].val, + CONFIG_4xx_CONFIG_BLOCKSIZE) == 0) + cur_config_nr = i; + } + + if (cur_config_nr == -1) { + printf("Warning: The I2C bootstrap values don't match any" + " of the available options!\n"); + printf("I2C bootstrap EEPROM values are (I2C address 0x%02x):\n", + CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR); + for (i = 0; i < CONFIG_4xx_CONFIG_BLOCKSIZE; i++) { + printf("%02x ", cur_config[i]); + } + printf("\n"); + } + + if (argc < 2) { + printf("Available configurations (I2C address 0x%02x):\n", + CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR); + print_configs(cur_config_nr); + return 0; + } + + for (i = 0; i < ppc4xx_config_count; i++) { + /* + * Search for configuration name/label + */ + if (strcmp(argv[1], ppc4xx_config_val[i].label) == 0) { + printf("Using configuration:\n%-16s - %s\n", + ppc4xx_config_val[i].label, + ppc4xx_config_val[i].description); + +#ifdef CONFIG_CMD_EEPROM + ret = eeprom_write(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, + CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET, + ppc4xx_config_val[i].val, + CONFIG_4xx_CONFIG_BLOCKSIZE); +#else + ret = i2c_write(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, + CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET, + 1, ppc4xx_config_val[i].val, + CONFIG_4xx_CONFIG_BLOCKSIZE); +#endif + udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); + if (ret) { + printf("Error updating EEPROM at addr 0x%x\n", + CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR); + return -1; + } + + printf("done (dump via 'i2c md %x 0.1 %x')\n", + CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR, + CONFIG_4xx_CONFIG_BLOCKSIZE); + printf("Reset the board for the changes to" + " take effect\n"); + return 0; + } + } + + printf("Configuration %s not found!\n", argv[1]); + print_configs(cur_config_nr); + return -1; +} + +U_BOOT_CMD( + chip_config, 2, 0, do_chip_config, + "program the I2C bootstrap EEPROM", + "[config-label]" +); diff --git a/include/asm-ppc/ppc4xx_config.h b/include/asm-ppc/ppc4xx_config.h new file mode 100644 index 0000000000..49acb60aed --- /dev/null +++ b/include/asm-ppc/ppc4xx_config.h @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2008-2009 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2009 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 + * + */ + +#ifndef __PPC4xx_CONFIG_H +#define __PPC4xx_CONFIG_H + +#include + +struct ppc4xx_config { + char label[16]; + char description[64]; + u8 val[CONFIG_4xx_CONFIG_BLOCKSIZE]; +}; + +extern struct ppc4xx_config ppc4xx_config_val[]; +extern int ppc4xx_config_count; + +#endif /* __PPC4xx_CONFIG_H */ diff --git a/include/configs/canyonlands.h b/include/configs/canyonlands.h index d22d4113de..217a8ee009 100644 --- a/include/configs/canyonlands.h +++ b/include/configs/canyonlands.h @@ -330,6 +330,11 @@ #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 +/* I2C bootstrap EEPROM */ +#define CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR 0x52 +#define CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET 0 +#define CONFIG_4xx_CONFIG_BLOCKSIZE 16 + /* I2C SYSMON (LM75, AD7414 is almost compatible) */ #define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */ #define CONFIG_DTT_AD7414 1 /* use AD7414 */ @@ -442,6 +447,7 @@ /* * Commands additional to the ones defined in amcc-common.h */ +#define CONFIG_CMD_CHIP_CONFIG #if defined(CONFIG_ARCHES) #define CONFIG_CMD_DTT #define CONFIG_CMD_PCI