diff options
| -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 | ||||
| -rw-r--r-- | common/fdt_support.c | 44 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu.c | 9 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu_init.c | 69 | ||||
| -rw-r--r-- | cpu/ppc4xx/fdt.c | 10 | ||||
| -rw-r--r-- | include/configs/amcc-common.h | 2 | ||||
| -rw-r--r-- | include/configs/sequoia.h | 6 | ||||
| -rw-r--r-- | include/fdt_support.h | 2 | ||||
| -rw-r--r-- | include/ppc440.h | 7 | ||||
| -rw-r--r-- | include/ppc4xx.h | 2 |
14 files changed, 318 insertions, 242 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); } diff --git a/common/fdt_support.c b/common/fdt_support.c index 89164a1..40ff00a 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -692,3 +692,47 @@ int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) { return 0; } #endif + +#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE +/* + * This function can be used to update the size in the "reg" property + * of the NOR FLASH device nodes. This is necessary for boards with + * non-fixed NOR FLASH sizes. + */ +int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) +{ + char compat[][16] = { "cfi-flash", "jedec-flash" }; + int off; + int len; + struct fdt_property *prop; + u32 *reg; + int i; + + for (i = 0; i < 2; i++) { + off = fdt_node_offset_by_compatible(blob, -1, compat[i]); + while (off != -FDT_ERR_NOTFOUND) { + /* + * Found one compatible node, now check if this one + * has the correct CS + */ + prop = fdt_get_property_w(blob, off, "reg", &len); + if (prop) { + reg = (u32 *)&prop->data[0]; + if (reg[0] == cs) { + reg[2] = size; + fdt_setprop(blob, off, "reg", reg, + 3 * sizeof(u32)); + + return 0; + } + } + + /* Move to next compatible node */ + off = fdt_node_offset_by_compatible(blob, off, + compat[i]); + } + } + + return -1; +} +#endif diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index a9a0ac3..e1b00a7 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -608,10 +608,17 @@ int checkcpu (void) break; } - printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock), + printf (" at %s MHz (PLB=%lu OPB=%lu EBC=%lu", + strmhz(buf, clock), sys_info.freqPLB / 1000000, get_OPB_freq() / 1000000, sys_info.freqEBC / 1000000); +#if defined(CONFIG_PCI) && \ + (defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \ + defined(CONFIG_440GR) || defined(CONFIG_440GRX)) + printf(" PCI=%lu MHz", sys_info.freqPCI / 1000000); +#endif + printf(")\n"); if (addstr[0] != 0) printf(" %s\n", addstr); diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index a00da40..ccd9993 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -330,3 +330,72 @@ int cpu_init_r (void) return 0; } + +#if defined(CONFIG_PCI) && \ + (defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \ + defined(CONFIG_440GR) || defined(CONFIG_440GRX)) +/* + * 440EP(x)/GR(x) PCI async/sync clocking restriction: + * + * In asynchronous PCI mode, the synchronous PCI clock must meet + * certain requirements. The following equation describes the + * relationship that must be maintained between the asynchronous PCI + * clock and synchronous PCI clock. Select an appropriate PCI:PLB + * ratio to maintain the relationship: + * + * AsyncPCIClk - 1MHz <= SyncPCIclock <= (2 * AsyncPCIClk) - 1MHz + */ +static int ppc4xx_pci_sync_clock_ok(u32 sync, u32 async) +{ + if (((async - 1000000) > sync) || (sync > ((2 * async) - 1000000))) + return 0; + else + return 1; +} + +int ppc4xx_pci_sync_clock_config(u32 async) +{ + sys_info_t sys_info; + u32 sync; + int div; + u32 reg; + u32 spcid_val[] = { + CPR0_SPCID_SPCIDV0_DIV1, CPR0_SPCID_SPCIDV0_DIV2, + CPR0_SPCID_SPCIDV0_DIV3, CPR0_SPCID_SPCIDV0_DIV4 }; + + get_sys_info(&sys_info); + sync = sys_info.freqPCI; + + /* + * First check if the equation above is met + */ + if (!ppc4xx_pci_sync_clock_ok(sync, async)) { + /* + * Reconfigure PCI sync clock to meet the equation. + * Start with highest possible PCI sync frequency + * (divider 1). + */ + for (div = 1; div <= 4; div++) { + sync = sys_info.freqPLB / div; + if (ppc4xx_pci_sync_clock_ok(sync, async)) + break; + } + + if (div <= 4) { + mtcpr(CPR0_SPCID, spcid_val[div]); + + mfcpr(CPR0_ICFG, reg); + reg |= CPR0_ICFG_RLI_MASK; + mtcpr(CPR0_ICFG, reg); + + /* do chip reset */ + mtspr(SPRN_DBCR0, 0x20000000); + } else { + /* Impossible to configure the PCI sync clock */ + return -1; + } + } + + return 0; +} +#endif diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c index 496e028..15a184b 100644 --- a/cpu/ppc4xx/fdt.c +++ b/cpu/ppc4xx/fdt.c @@ -42,7 +42,7 @@ void __ft_board_setup(void *blob, bd_t *bd) u32 bxcr; u32 ranges[EBC_NUM_BANKS * 4]; u32 *p = ranges; - char *ebc_path = "/plb/opb/ebc"; + char ebc_path[] = "/plb/opb/ebc"; ft_cpu_setup(blob, bd); @@ -59,11 +59,17 @@ void __ft_board_setup(void *blob, bd_t *bd) *p++ = 0; *p++ = bxcr & EBC_BXCR_BAS_MASK; *p++ = EBC_BXCR_BANK_SIZE(bxcr); + +#ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE + /* Try to update reg property in nor flash node too */ + fdt_fixup_nor_flash_size(blob, i, + EBC_BXCR_BANK_SIZE(bxcr)); +#endif } } /* Some 405 PPC's have EBC as direct PLB child in the dts */ - if (fdt_path_offset(blob, "/plb/opb/ebc") < 0) + if (fdt_path_offset(blob, ebc_path) < 0) strcpy(ebc_path, "/plb/ebc"); rc = fdt_find_and_setprop(blob, ebc_path, "ranges", ranges, (p - ranges) * sizeof(u32), 1); diff --git a/include/configs/amcc-common.h b/include/configs/amcc-common.h index 51128a3..8cd97b8 100644 --- a/include/configs/amcc-common.h +++ b/include/configs/amcc-common.h @@ -156,6 +156,8 @@ */ #define CONFIG_OF_LIBFDT #define CONFIG_OF_BOARD_SETUP +/* Update size in "reg" property of NOR FLASH device tree nodes */ +#define CONFIG_FDT_FIXUP_NOR_FLASH_SIZE /* * Booting and default environment diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h index 89acacc..9605ce2 100644 --- a/include/configs/sequoia.h +++ b/include/configs/sequoia.h @@ -243,6 +243,11 @@ #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 */ @@ -300,6 +305,7 @@ /* * Commands additional to the ones defined in amcc-common.h */ +#define CONFIG_CMD_CHIP_CONFIG #define CONFIG_CMD_DTT #define CONFIG_CMD_FAT #define CONFIG_CMD_NAND diff --git a/include/fdt_support.h b/include/fdt_support.h index 16734c5..0a9dd0d 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -79,5 +79,7 @@ void ft_pci_setup(void *blob, bd_t *bd); void set_working_fdt_addr(void *addr); int fdt_resize(void *blob); +int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size); + #endif /* ifdef CONFIG_OF_LIBFDT */ #endif /* ifndef __FDT_SUPPORT_H */ diff --git a/include/ppc440.h b/include/ppc440.h index fe0db93..e54a977 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -1701,9 +1701,14 @@ #define PLLSYS1_NTO1_MASK 0x00000001 /* CPU:PLB N-to-1 ratio */ #endif /* CONFIG_440GX */ -#if defined (CONFIG_440EPX) || defined (CONFIG_440GRX) +#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) #define CPR0_ICFG_RLI_MASK 0x80000000 #define CPR0_SPCID_SPCIDV0_MASK 0x03000000 +#define CPR0_SPCID_SPCIDV0_DIV1 0x01000000 +#define CPR0_SPCID_SPCIDV0_DIV2 0x02000000 +#define CPR0_SPCID_SPCIDV0_DIV3 0x03000000 +#define CPR0_SPCID_SPCIDV0_DIV4 0x00000000 #define CPR0_PERD_PERDV0_MASK 0x07000000 #endif diff --git a/include/ppc4xx.h b/include/ppc4xx.h index 3bff00a..5024db4 100644 --- a/include/ppc4xx.h +++ b/include/ppc4xx.h @@ -221,6 +221,8 @@ static inline void set_mcsr(u32 val) asm volatile("mtspr 0x23c, %0" : "=r" (val) :); } +int ppc4xx_pci_sync_clock_config(u32 async); + #endif /* __ASSEMBLY__ */ /* for multi-cpu support */ |