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authorWolfgang Denk <wd@pollux.denx.de>2005-08-12 00:22:49 +0200
committerWolfgang Denk <wd@pollux.denx.de>2005-08-12 00:22:49 +0200
commitdafba16e6fc1837381c8e74c4891ad6965cf54ab (patch)
treeaada3eb0493d66feda509795bf1e0e4264d78a7d /board/amcc
parent8f79e4c2da54cea11bb576870059fc1ba8847ccb (diff)
parent84286386a891633aae770bff24189c16a2546ed0 (diff)
downloadu-boot-linaro-stable-dafba16e6fc1837381c8e74c4891ad6965cf54ab.tar.gz
Merge with /home/wd/git/u-boot/masterLABEL_2005_08_12_0050
Diffstat (limited to 'board/amcc')
-rw-r--r--board/amcc/bamboo/bamboo.c122
-rw-r--r--board/amcc/bamboo/flash.c11
-rw-r--r--board/amcc/bamboo/init.S24
-rw-r--r--board/amcc/yosemite/Makefile1
-rw-r--r--board/amcc/yosemite/flash.c571
-rw-r--r--board/amcc/yosemite/init.S21
-rw-r--r--board/amcc/yosemite/yosemite.c55
7 files changed, 193 insertions, 612 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 0d5ab710d..d02add572 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -29,6 +29,7 @@
void ext_bus_cntlr_init(void);
void configure_ppc440ep_pins(void);
+int is_nand_selected(void);
gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
#if 0
@@ -132,10 +133,10 @@ gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
EBC0_BNCR_BW_8BIT
#define EBC0_BNCR_SMALL_FLASH_CS4 \
- EBC0_BNCR_BAS_ENCODE(0x87800000) | \
- EBC0_BNCR_BS_8MB | \
+ EBC0_BNCR_BAS_ENCODE(0x87F00000) | \
+ EBC0_BNCR_BS_1MB | \
EBC0_BNCR_BU_RW | \
- EBC0_BNCR_BW_16BIT
+ EBC0_BNCR_BW_8BIT
/* Large Flash or SRAM */
#define EBC0_BNAP_LARGE_FLASH_OR_SRAM \
@@ -273,6 +274,87 @@ int board_early_init_f(void)
return 0;
}
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#include <linux/mtd/nand.h>
+extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+
+/*----------------------------------------------------------------------------+
+ | nand_reset.
+ | Reset Nand flash
+ | This routine will abort previous cmd
+ +----------------------------------------------------------------------------*/
+int nand_reset(ulong addr)
+{
+ int wait=0, stat=0;
+
+ out8(addr + NAND_CMD_REG, NAND0_CMD_RESET);
+ out8(addr + NAND_CMD_REG, NAND0_CMD_READ_STATUS);
+
+ while ((stat != 0xc0) && (wait != 0xffff)) {
+ stat = in8(addr + NAND_DATA_REG);
+ wait++;
+ }
+
+ if (stat == 0xc0) {
+ return 0;
+ } else {
+ printf("NAND Reset timeout.\n");
+ return -1;
+ }
+}
+
+void board_nand_set_device(int cs, ulong addr)
+{
+ /* Set NandFlash Core Configuration Register */
+ out32(addr + NAND_CCR_REG, 0x00001000 | (cs << 24));
+
+ switch (cs) {
+ case 1:
+ /* -------
+ * NAND0
+ * -------
+ * K9F1208U0A : 4 addr cyc, 1 col + 3 Row
+ * Set NDF1CR - Enable External CS1 in NAND FLASH controller
+ */
+ out32(addr + NAND_CR1_REG, 0x80002222);
+ break;
+
+ case 2:
+ /* -------
+ * NAND1
+ * -------
+ * K9K2G0B : 5 addr cyc, 2 col + 3 Row
+ * Set NDF2CR : Enable External CS2 in NAND FLASH controller
+ */
+ out32(addr + NAND_CR2_REG, 0xC0007777);
+ break;
+ }
+
+ /* Perform Reset Command */
+ if (nand_reset(addr) != 0)
+ return;
+}
+
+void nand_init(void)
+{
+ board_nand_set_device(1, CFG_NAND_ADDR);
+
+ nand_probe(CFG_NAND_ADDR);
+ if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
+ print_size(nand_dev_desc[0].totlen, "\n");
+ }
+
+#if 0 /* NAND1 not supported yet */
+ board_nand_set_device(2, CFG_NAND2_ADDR);
+
+ nand_probe(CFG_NAND2_ADDR);
+ if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {
+ print_size(nand_dev_desc[0].totlen, "\n");
+ }
+#endif
+}
+#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
+
int checkboard(void)
{
sys_info_t sysinfo;
@@ -585,7 +667,11 @@ int is_powerpc440ep_pass1(void)
+----------------------------------------------------------------------------*/
int is_nand_selected(void)
{
- return FALSE; /* test-only */
+#ifdef CONFIG_BAMBOO_NAND
+ return TRUE;
+#else
+ return FALSE;
+#endif
}
/*----------------------------------------------------------------------------+
@@ -829,12 +915,8 @@ void ext_bus_cntlr_init(void)
/* NAND Flash */
ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
- /*ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH;
- ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2;
- ebc0_cs3_bnap_value = EBC0_BNAP_NAND_FLASH;
- ebc0_cs3_bncr_value = EBC0_BNCR_NAND_FLASH_CS3;*/
- ebc0_cs2_bnap_value = 0;
- ebc0_cs2_bncr_value = 0;
+ ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH;
+ ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2;
ebc0_cs3_bnap_value = 0;
ebc0_cs3_bncr_value = 0;
} else {
@@ -985,7 +1067,7 @@ void ext_bus_cntlr_init(void)
+----------------------------------------------------------------------------*/
uart_config_nb_t get_uart_configuration(void)
{
- return (L4); /* test-only */
+ return (L4);
}
/*----------------------------------------------------------------------------+
@@ -1132,8 +1214,7 @@ void ndfc_selection_in_fpga(void)
fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) &~FPGA_SEL_1_REG_NF_SELEC_MASK;
fpga_selection_1_reg |= FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1;
- /*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2; */
- /*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3; */
+ fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2;
out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg);
}
@@ -1725,11 +1806,15 @@ void force_bup_core_selection(core_selection_t *core_select_P, config_validity_t
*(core_select_P+UIC_0_3) = CORE_SELECTED;
*(core_select_P+UIC_4_9) = CORE_SELECTED;
- *(core_select_P+SCP_CORE) = CORE_SELECTED;
- *(core_select_P+DMA_CHANNEL_CD) = CORE_SELECTED;
- *(core_select_P+PACKET_REJ_FUNC_AVAIL) = CORE_SELECTED;
+ *(core_select_P+SCP_CORE) = CORE_SELECTED;
+ *(core_select_P+DMA_CHANNEL_CD) = CORE_SELECTED;
+ *(core_select_P+PACKET_REJ_FUNC_AVAIL) = CORE_SELECTED;
*(core_select_P+USB1_DEVICE) = CORE_SELECTED;
+ if (is_nand_selected()) {
+ *(core_select_P+NAND_FLASH) = CORE_SELECTED;
+ }
+
*config_val_P = CONFIG_IS_VALID;
}
@@ -1901,9 +1986,8 @@ void configure_ppc440ep_pins(void)
SDR0_CUST0_NDFC_ENABLE |
SDR0_CUST0_NDFC_BW_8_BIT |
SDR0_CUST0_NDFC_ARE_MASK |
- SDR0_CUST0_CHIPSELGAT_EN1 );
- /*SDR0_CUST0_CHIPSELGAT_EN2 ); */
- /*SDR0_CUST0_CHIPSELGAT_EN3 ); */
+ SDR0_CUST0_CHIPSELGAT_EN1 |
+ SDR0_CUST0_CHIPSELGAT_EN2);
ndfc_selection_in_fpga();
}
diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c
index 97a4b988d..a30ab7ada 100644
--- a/board/amcc/bamboo/flash.c
+++ b/board/amcc/bamboo/flash.c
@@ -50,15 +50,16 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*
* Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0
*/
-static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {
+static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = {
{0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */
{0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66 */
{0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash */
- {0x87800000, 0x87880000, 0xFF800001}, /* 3:boot from big flash 33*/
- {0x87800000, 0x87880000, 0xFF800001}, /* 4:boot from big flash 66*/
+ {0x87F00000, 0x87F80000, 0xFFC00001}, /* 3:boot from big flash 33*/
+ {0x87F00000, 0x87F80000, 0xFFC00001}, /* 4:boot from big flash 66*/
{0x00000000, 0x00000000, 0x00000000}, /* 5:boot from */
{0x00000000, 0x00000000, 0x00000000}, /* 6:boot from pci 66 */
{0x00000000, 0x00000000, 0x00000000}, /* 7:boot from */
+ {0x87C00001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */
};
/*
@@ -117,6 +118,10 @@ unsigned long flash_init(void)
index = 2;
break;
}
+ } else if (index == 0) {
+ if (in8(FPGA_SETTING_REG) & FPGA_SET_REG_OP_CODE_FLASH_ABOVE) {
+ index = 8; /* sram below op code flash -> new index 8 */
+ }
}
DEBUGF("\n");
diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S
index 907029345..7820107aa 100644
--- a/board/amcc/bamboo/init.S
+++ b/board/amcc/bamboo/init.S
@@ -86,14 +86,20 @@
tlbtab:
tlbtab_start
- /*
- 0xf0000000 must be first, before relocation SA_I must be off to use the
- dcache as stack. It is patched after relocation to enable SA_I
- */
- tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
- tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
- tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
+ tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+ tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
+ tlbentry( CFG_NAND_ADDR, SZ_256M, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
/* PCI */
tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
@@ -102,6 +108,6 @@ tlbtab:
tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
/* USB 2.0 Device */
- tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I )
tlbtab_end
diff --git a/board/amcc/yosemite/Makefile b/board/amcc/yosemite/Makefile
index 5654f91a8..47116d367 100644
--- a/board/amcc/yosemite/Makefile
+++ b/board/amcc/yosemite/Makefile
@@ -26,7 +26,6 @@ include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o
-OBJS += flash.o
SOBJS = init.o
$(LIB): $(OBJS) $(SOBJS)
diff --git a/board/amcc/yosemite/flash.c b/board/amcc/yosemite/flash.c
deleted file mode 100644
index cd6a2e61e..000000000
--- a/board/amcc/yosemite/flash.c
+++ /dev/null
@@ -1,571 +0,0 @@
-/*
- * (C) Copyright 2002-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
- * Add support for Am29F016D and dynamic switch setting.
- *
- * 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
- */
-
-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
-
-/*
- * Ported to XPedite1000, 1/2 mb boot flash only
- * Travis B. Sawyer, <travis.sawyer@sandburst.com>
- */
-
-#include <common.h>
-#include <ppc4xx.h>
-#include <asm/processor.h>
-
-#undef DEBUG
-#ifdef DEBUG
-#define DEBUGF(x...) printf(x)
-#else
-#define DEBUGF(x...)
-#endif /* DEBUG */
-
-#define BOOT_SMALL_FLASH 32 /* 00100000 */
-#define FLASH_ONBD_N 2 /* 00000010 */
-#define FLASH_SRAM_SEL 1 /* 00000001 */
-
-#define BOOT_SMALL_FLASH_VAL 4
-#define FLASH_ONBD_N_VAL 2
-#define FLASH_SRAM_SEL_VAL 1
-
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-unsigned long flash_addr_table[512][CFG_MAX_FLASH_BANKS] = {
- {0xfe000000}
-
-};
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size(vu_long * addr, flash_info_t * info);
-static int write_word(flash_info_t * info, ulong dest, ulong data);
-
-#define ADDR0 0xaaaa
-#define ADDR1 0x5554
-#define FLASH_WORD_SIZE unsigned short
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init(void)
-{
- unsigned long total_b = 0;
- unsigned long size_b[CFG_MAX_FLASH_BANKS];
- unsigned short index = 0;
- int i;
-
- DEBUGF("\n");
- DEBUGF("FLASH: Index: %d\n", index);
-
- /* Init: no FLASHes known */
- for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
-
- /* check whether the address is 0 */
- if (flash_addr_table[index][i] == 0) {
- continue;
- }
-
- /* call flash_get_size() to initialize sector address */
- size_b[i] = flash_get_size((vu_long *)
- flash_addr_table[index][i],
- &flash_info[i]);
- flash_info[i].size = size_b[i];
- if (flash_info[i].flash_id == FLASH_UNKNOWN) {
- printf
- ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
- i, size_b[i], size_b[i] << 20);
- flash_info[i].sector_count = -1;
- flash_info[i].size = 0;
- }
-
- total_b += flash_info[i].size;
- }
-
- /* FLASH protect Monitor */
- flash_protect(FLAG_PROTECT_SET,
- CFG_MONITOR_BASE, 0xFFFFFFFF, &flash_info[0]);
-
- return total_b;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info(flash_info_t * info)
-{
- int i;
- int k;
- int size;
- int erased;
- volatile unsigned long *flash;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("missing or unknown FLASH type\n");
- return;
- }
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_AMD:
- printf("AMD ");
- break;
- case FLASH_MAN_FUJ:
- printf("FUJITSU ");
- break;
- case FLASH_MAN_SST:
- printf("SST ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AMD016:
- printf("AM29F016D (16 Mbit, uniform sector size)\n");
- break;
- case FLASH_AM040:
- printf("AM29F040 (512 Kbit, uniform sector size)\n");
- break;
- case FLASH_AM400B:
- printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM400T:
- printf("AM29LV400T (4 Mbit, top boot sector)\n");
- break;
- case FLASH_AM800B:
- printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM800T:
- printf("AM29LV800T (8 Mbit, top boot sector)\n");
- break;
- case FLASH_AM160B:
- printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM160T:
- printf("AM29LV160T (16 Mbit, top boot sector)\n");
- break;
- case FLASH_AM320B:
- printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM320T:
- printf("AM29LV320T (32 Mbit, top boot sector)\n");
- break;
- case FLASH_SST800A:
- printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
- break;
- case FLASH_SST160A:
- printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
- break;
- default:
- printf("Unknown Chip Type\n");
- break;
- }
-
- printf(" Size: %ld KB in %d Sectors\n",
- info->size >> 10, info->sector_count);
-
- printf(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- /*
- * Check if whole sector is erased
- */
- if (i != (info->sector_count - 1))
- size = info->start[i + 1] - info->start[i];
- else
- size = info->start[0] + info->size - info->start[i];
- erased = 1;
- flash = (volatile unsigned long *)info->start[i];
- size = size >> 2; /* divide by 4 for longword access */
- for (k = 0; k < size; k++) {
- if (*flash++ != 0xffffffff) {
- erased = 0;
- break;
- }
- }
-
- if ((i % 5) == 0)
- printf("\n ");
- printf(" %08lX%s%s",
- info->start[i],
- erased ? " E" : " ", info->protect[i] ? "RO " : " ");
- }
- printf("\n");
- return;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-/*-----------------------------------------------------------------------
- */
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size(vu_long * addr, flash_info_t * info)
-{
- short i;
- FLASH_WORD_SIZE value;
- ulong base = (ulong) addr;
- volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr;
-
- DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
-
- /* Write auto select command: read Manufacturer ID */
- udelay(10000);
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x00AA;
- udelay(1000);
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = (FLASH_WORD_SIZE) 0x0055;
- udelay(1000);
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x0090;
- udelay(1000);
-
- value = addr2[0];
-
- DEBUGF("FLASH MANUFACT: %x\n", value);
-
- switch (value) {
- case (FLASH_WORD_SIZE) AMD_MANUFACT:
- info->flash_id = FLASH_MAN_AMD;
- break;
- case (FLASH_WORD_SIZE) FUJ_MANUFACT:
- info->flash_id = FLASH_MAN_FUJ;
- break;
- case (FLASH_WORD_SIZE) SST_MANUFACT:
- info->flash_id = FLASH_MAN_SST;
- break;
- case (FLASH_WORD_SIZE) STM_MANUFACT:
- info->flash_id = FLASH_MAN_STM;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-
-#ifdef CONFIG_ADCIOP
- value = addr2[0]; /* device ID */
- debug("\ndev_code=%x\n", value);
-#else
- value = addr2[1]; /* device ID */
-#endif
-
- DEBUGF("\nFLASH DEVICEID: %x\n", value);
-
- info->flash_id = 0;
- info->sector_count = CFG_MAX_FLASH_SECT;
- info->size = 0x02000000;
-
- /* set up sector start address table */
- for (i = 0; i < info->sector_count; i++) {
- info->start[i] = (int)base + (i * 0x00020000);
- info->protect[i] = 0;
- }
-
- *(FLASH_WORD_SIZE *) ((int)addr) = (FLASH_WORD_SIZE) 0x00F0; /* reset bank */
-
- return (info->size);
-}
-
-int wait_for_DQ7(flash_info_t * info, int sect)
-{
- ulong start, now, last;
- volatile FLASH_WORD_SIZE *addr =
- (FLASH_WORD_SIZE *) (info->start[sect]);
-
- start = get_timer(0);
- last = start;
- while ((addr[0] & (FLASH_WORD_SIZE) 0x00800080) !=
- (FLASH_WORD_SIZE) 0x00800080) {
- if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
- printf("Timeout\n");
- return -1;
- }
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- putc('.');
- last = now;
- }
- }
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase(flash_info_t * info, int s_first, int s_last)
-{
- volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[0]);
- volatile FLASH_WORD_SIZE *addr2;
- int flag, prot, sect, l_sect;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("- missing\n");
- } else {
- printf("- no sectors to erase\n");
- }
- return 1;
- }
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("Can't erase unknown flash type - aborted\n");
- return 1;
- }
-
- prot = 0;
- for (sect = s_first; sect <= s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
-
- if (prot) {
- printf("- Warning: %d protected sectors will not be erased!\n",
- prot);
- } else {
- printf("\n");
- }
-
- l_sect = -1;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr2 = (FLASH_WORD_SIZE *) (info->start[sect]);
- printf("Erasing sector %p\n", addr2);
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) =
- (FLASH_WORD_SIZE) 0x00AA;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) =
- (FLASH_WORD_SIZE) 0x0055;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) =
- (FLASH_WORD_SIZE) 0x0080;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) =
- (FLASH_WORD_SIZE) 0x00AA;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) =
- (FLASH_WORD_SIZE) 0x0055;
- asm("sync");
- asm("isync");
- addr2[0] = (FLASH_WORD_SIZE) 0x00300030; /* sector erase */
- asm("sync");
- asm("isync");
-
- l_sect = sect;
- /*
- * Wait for each sector to complete, it's more
- * reliable. According to AMD Spec, you must
- * issue all erase commands within a specified
- * timeout. This has been seen to fail, especially
- * if printf()s are included (for debug)!!
- */
- wait_for_DQ7(info, sect);
- }
- }
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* wait at least 80us - let's wait 1 ms */
- udelay(1000);
-
-#if 0
- /*
- * We wait for the last triggered sector
- */
- if (l_sect < 0)
- goto DONE;
- wait_for_DQ7(info, l_sect);
-
- DONE:
-#endif
- /* reset to read mode */
- addr = (FLASH_WORD_SIZE *) info->start[0];
- addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
-
- printf(" done\n");
- return 0;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
- ulong cp, wp, data;
- int i, l, rc;
- ulong status_value = 0;
-
- wp = (addr & ~3); /* get lower word aligned address */
-
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i = 0, cp = wp; i < l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
- for (; i < 4 && cnt > 0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt == 0 && i < 4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
-
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 4) {
-
- /*print status if needed */
- if ((wp >= (status_value + 0x20000))
- && (status_value < 0xFFFE0000)) {
- status_value = wp;
- printf("writing to sector 0x%X\n", status_value);
- }
-
- data = 0;
- for (i = 0; i < 4; ++i) {
- data = (data << 8) | *src++;
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- cnt -= 4;
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i < 4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
-
- return (write_word(info, wp, data));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word(flash_info_t * info, ulong dest, ulong data)
-{
- vu_long *addr2 = (vu_long *) (info->start[0]);
- volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest;
- volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data;
- ulong start;
- int i;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*((volatile FLASH_WORD_SIZE *)dest) &
- (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) {
- return (2);
- }
-
- for (i = 0; i < 4 / sizeof(FLASH_WORD_SIZE); i++) {
- int flag;
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
-
- *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) =
- (FLASH_WORD_SIZE) 0x00AA;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR1) =
- (FLASH_WORD_SIZE) 0x0055;
- asm("sync");
- asm("isync");
- *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) =
- (FLASH_WORD_SIZE) 0x00A0;
- asm("sync");
- asm("isync");
-
- dest2[i] = data2[i];
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer(0);
- while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) !=
- (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) {
-
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- }
-
- return (0);
-}
-
-/*-----------------------------------------------------------------------
- */
diff --git a/board/amcc/yosemite/init.S b/board/amcc/yosemite/init.S
index 7ba43c7b0..425ad0868 100644
--- a/board/amcc/yosemite/init.S
+++ b/board/amcc/yosemite/init.S
@@ -86,14 +86,19 @@
tlbtab:
tlbtab_start
- /*
- 0xf0000000 must be first, before relocation SA_I must be off to use the
- dcache as stack. It is patched after relocation to enable SA_I
- */
- tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
- tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
- tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_NVRAM_BASE_ADDR, SZ_16K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
+ tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+ tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
/* PCI */
tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c
index 6c8a883e1..b50e99ab8 100644
--- a/board/amcc/yosemite/yosemite.c
+++ b/board/amcc/yosemite/yosemite.c
@@ -20,9 +20,12 @@
*/
#include <common.h>
+#include <ppc4xx.h>
#include <asm/processor.h>
#include <spd_sdram.h>
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
int board_early_init_f(void)
{
register uint reg;
@@ -35,7 +38,7 @@ int board_early_init_f(void)
mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */
mtebc(pb0ap, 0x03017300); /* FLASH/SRAM */
- mtebc(pb0cr, 0xfe0ba000); /* BAS=0xfe0 32MB r/w 16-bit */
+ mtebc(pb0cr, 0xfc0da000); /* BAS=0xfc0 64MB r/w 16-bit */
mtebc(pb1ap, 0x00000000);
mtebc(pb1cr, 0x00000000);
@@ -122,6 +125,54 @@ int board_early_init_f(void)
return 0;
}
+int misc_init_r (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ uint pbcr;
+ int size_val = 0;
+
+ /* Re-do sizing to get full correct info */
+ mtdcr(ebccfga, pb0cr);
+ pbcr = mfdcr(ebccfgd);
+ switch (gd->bd->bi_flashsize) {
+ case 1 << 20:
+ size_val = 0;
+ break;
+ case 2 << 20:
+ size_val = 1;
+ break;
+ case 4 << 20:
+ size_val = 2;
+ break;
+ case 8 << 20:
+ size_val = 3;
+ break;
+ case 16 << 20:
+ size_val = 4;
+ break;
+ case 32 << 20:
+ size_val = 5;
+ break;
+ case 64 << 20:
+ size_val = 6;
+ break;
+ case 128 << 20:
+ size_val = 7;
+ break;
+ }
+ pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+ mtdcr(ebccfga, pb0cr);
+ mtdcr(ebccfgd, pbcr);
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CFG_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+
+ return 0;
+}
+
int checkboard(void)
{
sys_info_t sysinfo;
@@ -135,6 +186,8 @@ int checkboard(void)
printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
printf("\tPER: %lu MHz\n", sysinfo.freqEPB / 1000000);
printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000);
+
+
return (0);
}