mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-29 16:10:58 +00:00
Merge branch 'master' of /home/wd/git/u-boot/custodians
This commit is contained in:
commit
09cc0487b8
14 changed files with 317 additions and 241 deletions
|
@ -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)
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||||
OBJS := $(addprefix $(obj),$(COBJS))
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||||
SOBJS := $(addprefix $(obj),$(SOBJS))
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||||
|
|
122
board/amcc/sequoia/chip_config.c
Normal file
122
board/amcc/sequoia/chip_config.c
Normal file
|
@ -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);
|
|
@ -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
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||||
#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"
|
||||
);
|
|
@ -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);
|
||||
}
|
||||
|
||||
|
|
|
@ -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);
|
||||
}
|
||||
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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);
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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);
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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 */
|
||||
|
|
|
@ -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
|
||||
|
||||
|
|
|
@ -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 */
|
||||
|
|
Loading…
Reference in a new issue