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-rw-r--r--board/amcc/sequoia/Makefile4
-rw-r--r--board/amcc/sequoia/chip_config.c122
-rw-r--r--board/amcc/sequoia/cmd_sequoia.c231
-rw-r--r--board/amcc/sequoia/sequoia.c26
-rw-r--r--board/amcc/yosemite/yosemite.c26
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);
}