diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/amcc/sequoia/Makefile | 4 | ||||
| -rw-r--r-- | board/amcc/sequoia/chip_config.c | 122 | ||||
| -rw-r--r-- | board/amcc/sequoia/cmd_sequoia.c | 231 | ||||
| -rw-r--r-- | board/amcc/sequoia/sequoia.c | 26 | ||||
| -rw-r--r-- | board/amcc/yosemite/yosemite.c | 26 |
5 files changed, 171 insertions, 238 deletions
diff --git a/board/amcc/sequoia/Makefile b/board/amcc/sequoia/Makefile index a5d5010..8da3bd5 100644 --- a/board/amcc/sequoia/Makefile +++ b/board/amcc/sequoia/Makefile @@ -25,9 +25,11 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(BOARD).a -COBJS = $(BOARD).o cmd_sequoia.o sdram.o +COBJS-y = $(BOARD).o sdram.o +COBJS-$(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/sequoia/chip_config.c b/board/amcc/sequoia/chip_config.c new file mode 100644 index 0000000..036de9f --- /dev/null +++ b/board/amcc/sequoia/chip_config.c @@ -0,0 +1,122 @@ +/* + * (C) Copyright 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 <common.h> +#include <asm/ppc4xx_config.h> + +struct ppc4xx_config ppc4xx_config_val[] = { + { + "333-133-nor", "NOR CPU: 333 PLB: 133 OPB: 66 EBC: 66", + { + 0x84, 0x70, 0xa2, 0xa6, 0x05, 0x57, 0xa0, 0x10, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "333-166-nor", "NOR CPU: 333 PLB: 166 OPB: 83 EBC: 55", + { + 0xc7, 0x78, 0xf3, 0x4e, 0x05, 0xd7, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "333-166-nand", "NAND CPU: 333 PLB: 166 OPB: 83 EBC: 55", + { + 0xc7, 0x78, 0xf3, 0x4e, 0x05, 0xd7, 0xd0, 0x30, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "400-133-nor", "NOR CPU: 400 PLB: 133 OPB: 66 EBC: 66", + { + 0x86, 0x78, 0xc2, 0xc6, 0x05, 0x57, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "400-160-nor", "NOR CPU: 400 PLB: 160 OPB: 80 EBC: 53", + { + 0x86, 0x78, 0xc2, 0xa6, 0x05, 0xd7, 0xa0, 0x10, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "416-166-nor", "NOR CPU: 416 PLB: 166 OPB: 83 EBC: 55", + { + 0xc6, 0x78, 0x52, 0xa6, 0x05, 0xd7, 0xa0, 0x10, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "416-166-nand", "NAND CPU: 416 PLB: 166 OPB: 83 EBC: 55", + { + 0xc6, 0x78, 0x52, 0xa6, 0x05, 0xd7, 0xd0, 0x10, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "500-166-nor", "NOR CPU: 500 PLB: 166 OPB: 83 EBC: 55", + { + 0xc7, 0x78, 0x52, 0xc6, 0x05, 0xd7, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "500-166-nand", "NAND CPU: 500 PLB: 166 OPB: 83 EBC: 55", + { + 0xc7, 0x78, 0x52, 0xc6, 0x05, 0xd7, 0xd0, 0x30, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "533-133-nor", "NOR CPU: 533 PLB: 133 OPB: 66 EBC: 66", + { + 0x87, 0x78, 0x82, 0x52, 0x09, 0x57, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "667-133-nor", "NOR CPU: 667 PLB: 133 OPB: 66 EBC: 66", + { + 0x87, 0x78, 0xa2, 0x56, 0x09, 0x57, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "667-166-nor", "NOR CPU: 667 PLB: 166 OPB: 83 EBC: 55", + { + 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xa0, 0x30, + 0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 + } + }, + { + "667-166-nand", "NAND CPU: 667 PLB: 166 OPB: 83 EBC: 55", + { + 0x87, 0x78, 0xa2, 0x52, 0x09, 0xd7, 0xd0, 0x30, + 0xa0, 0x68, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00 + } + }, +}; + +int ppc4xx_config_count = ARRAY_SIZE(ppc4xx_config_val); 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" -); diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index d42c802..00f6408 100644 --- a/board/amcc/sequoia/sequoia.c +++ b/board/amcc/sequoia/sequoia.c @@ -40,6 +40,15 @@ extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH ch extern void __ft_board_setup(void *blob, bd_t *bd); ulong flash_get_size(ulong base, int banknum); +static inline u32 get_async_pci_freq(void) +{ + if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & + CONFIG_SYS_BCSR5_PCI66EN) + return 66666666; + else + return 33333333; +} + int board_early_init_f(void) { u32 sdr0_cust0; @@ -76,6 +85,9 @@ int board_early_init_f(void) mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */ mtdcr(UIC2SR, 0xffffffff); /* clear all */ + /* Check and reconfigure the PCI sync clock if necessary */ + ppc4xx_pci_sync_clock_config(get_async_pci_freq()); + /* 50MHz tmrclk */ out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00); @@ -319,7 +331,7 @@ int checkboard(void) { char *s = getenv("serial#"); u8 rev; - u8 val; + u32 clock = get_async_pci_freq(); #ifdef CONFIG_440EPX printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board"); @@ -328,8 +340,7 @@ int checkboard(void) #endif rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)); - val = in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & CONFIG_SYS_BCSR5_PCI66EN; - printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33); + printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000); if (s != NULL) { puts(", serial# "); @@ -337,6 +348,15 @@ int checkboard(void) } putc('\n'); + /* + * Reconfiguration of the PCI sync clock is already done, + * now check again if everything is in range: + */ + if (ppc4xx_pci_sync_clock_config(clock)) { + printf("ERROR: PCI clocking incorrect (async=%d " + "sync=%ld)!\n", clock, get_PCI_freq()); + } + return (0); } diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c index 7ceccfa..ccbeb0e 100644 --- a/board/amcc/yosemite/yosemite.c +++ b/board/amcc/yosemite/yosemite.c @@ -33,6 +33,15 @@ DECLARE_GLOBAL_DATA_PTR; extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ +static inline u32 get_async_pci_freq(void) +{ + if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & + CONFIG_SYS_BCSR5_PCI66EN) + return 66666666; + else + return 33333333; +} + int board_early_init_f(void) { register uint reg; @@ -106,6 +115,9 @@ int board_early_init_f(void) mtsdr(SDR0_PFC0, 0x00003e00); /* Pin function */ mtsdr(SDR0_PFC1, 0x00048000); /* Pin function: UART0 has 4 pins */ + /* Check and reconfigure the PCI sync clock if necessary */ + ppc4xx_pci_sync_clock_config(get_async_pci_freq()); + /*clear tmrclk divisor */ *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x04) = 0x00; @@ -178,7 +190,7 @@ int checkboard(void) { char *s = getenv("serial#"); u8 rev; - u8 val; + u32 clock = get_async_pci_freq(); #ifdef CONFIG_440EP printf("Board: Yosemite - AMCC PPC440EP Evaluation Board"); @@ -187,8 +199,7 @@ int checkboard(void) #endif rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)); - val = in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & CONFIG_SYS_BCSR5_PCI66EN; - printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33); + printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000); if (s != NULL) { puts(", serial# "); @@ -196,6 +207,15 @@ int checkboard(void) } putc('\n'); + /* + * Reconfiguration of the PCI sync clock is already done, + * now check again if everything is in range: + */ + if (ppc4xx_pci_sync_clock_config(clock)) { + printf("ERROR: PCI clocking incorrect (async=%d " + "sync=%ld)!\n", clock, get_PCI_freq()); + } + return (0); } |