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-rw-r--r--board/amcc/bamboo/bamboo.c81
-rw-r--r--board/amcc/bamboo/u-boot.lds14
-rw-r--r--include/configs/bamboo.h67
3 files changed, 8 insertions, 154 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index b5bb145..6260b01 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -277,87 +277,6 @@ int board_early_init_f(void)
return 0;
}
-#if (CONFIG_COMMANDS & CFG_CMD_NAND)
-#include <linux/mtd/nand_legacy.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)
{
char *s = getenv("serial#");
diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds
index 176900e..f6d7183 100644
--- a/board/amcc/bamboo/u-boot.lds
+++ b/board/amcc/bamboo/u-boot.lds
@@ -68,19 +68,7 @@ SECTIONS
cpu/ppc4xx/start.o (.text)
board/amcc/bamboo/init.o (.text)
- cpu/ppc4xx/kgdb.o (.text)
- cpu/ppc4xx/traps.o (.text)
- cpu/ppc4xx/interrupts.o (.text)
- cpu/ppc4xx/serial.o (.text)
- cpu/ppc4xx/cpu_init.o (.text)
- cpu/ppc4xx/speed.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
- lib_ppc/extable.o (.text)
- lib_generic/zlib.o (.text)
-
-/* . = env_offset;*/
-/* common/environment.o(.text)*/
+ board/amcc/bamboo/bamboo.o (.text)
*(.text)
*(.fixup)
diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h
index bcc736c..db58a9f 100644
--- a/include/configs/bamboo.h
+++ b/include/configs/bamboo.h
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2005-2006
+ * (C) Copyright 2005-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -43,7 +43,6 @@
* 2nd ethernet port you have to "undef" the following define.
*/
#define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */
-#define CFG_NAND_LEGACY
/*-----------------------------------------------------------------------
* Base addresses -- Note these are effective addresses where the
@@ -143,65 +142,13 @@
#endif /* CFG_ENV_IS_IN_FLASH */
/*-----------------------------------------------------------------------
- * NAND-FLASH related
+ * NAND FLASH
*----------------------------------------------------------------------*/
-#define NAND_CMD_REG (0x00) /* NandFlash Command Register */
-#define NAND_ADDR_REG (0x04) /* NandFlash Address Register */
-#define NAND_DATA_REG (0x08) /* NandFlash Data Register */
-#define NAND_ECC0_REG (0x10) /* NandFlash ECC Register0 */
-#define NAND_ECC1_REG (0x14) /* NandFlash ECC Register1 */
-#define NAND_ECC2_REG (0x18) /* NandFlash ECC Register2 */
-#define NAND_ECC3_REG (0x1C) /* NandFlash ECC Register3 */
-#define NAND_ECC4_REG (0x20) /* NandFlash ECC Register4 */
-#define NAND_ECC5_REG (0x24) /* NandFlash ECC Register5 */
-#define NAND_ECC6_REG (0x28) /* NandFlash ECC Register6 */
-#define NAND_ECC7_REG (0x2C) /* NandFlash ECC Register7 */
-#define NAND_CR0_REG (0x30) /* NandFlash Device Bank0 Config Register */
-#define NAND_CR1_REG (0x34) /* NandFlash Device Bank1 Config Register */
-#define NAND_CR2_REG (0x38) /* NandFlash Device Bank2 Config Register */
-#define NAND_CR3_REG (0x3C) /* NandFlash Device Bank3 Config Register */
-#define NAND_CCR_REG (0x40) /* NandFlash Core Configuration Register */
-#define NAND_STAT_REG (0x44) /* NandFlash Device Status Register */
-#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */
-#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */
-
-/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */
-#define NAND0_CMD_READ1_HALF1 0x00 /* Starting addr for 1rst half of registers */
-#define NAND0_CMD_READ1_HALF2 0x01 /* Starting addr for 2nd half of registers */
-#define NAND0_CMD_READ2 0x50
-#define NAND0_CMD_READ_ID 0x90
-#define NAND0_CMD_READ_STATUS 0x70
-#define NAND0_CMD_RESET 0xFF
-#define NAND0_CMD_PAGE_PROG 0x80
-#define NAND0_CMD_PAGE_PROG_TRUE 0x10
-#define NAND0_CMD_PAGE_PROG_DUMMY 0x11
-#define NAND0_CMD_BLOCK_ERASE 0x60
-#define NAND0_CMD_BLOCK_ERASE_END 0xD0
-
-#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
-#define SECTORSIZE 512
-
-#define ADDR_COLUMN 1
-#define ADDR_PAGE 2
-#define ADDR_COLUMN_PAGE 3
-
-#define NAND_ChipID_UNKNOWN 0x00
-#define NAND_MAX_FLOORS 1
-#define NAND_MAX_CHIPS 1
-
-#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0)
-#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0)
-#define WRITE_NAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0)
-#define READ_NAND(adr) (*(volatile u8 *)((ulong)adr+NAND_DATA_REG))
-#define NAND_WAIT_READY(nand) while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01))
-
-/* not needed with 440EP NAND controller */
-#define NAND_CTL_CLRALE(nandptr)
-#define NAND_CTL_SETALE(nandptr)
-#define NAND_CTL_CLRCLE(nandptr)
-#define NAND_CTL_SETCLE(nandptr)
-#define NAND_DISABLE_CE(nand)
-#define NAND_ENABLE_CE(nand)
+#define CFG_MAX_NAND_DEVICE 1
+#define NAND_MAX_CHIPS 1
+#define CFG_NAND_CS 1
+#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
+#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
/*-----------------------------------------------------------------------
* DDR SDRAM
generated by cgit v1.1 at 2024-11-28 03:41:23 +0000