From 8b39501d28754e72726ce7fb02310e56dbdf116a Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Sun, 29 Apr 2007 14:13:01 +0200 Subject: [PATCH] ppc4xx: Bamboo: Use current NAND driver and *not* the legacy driver Signed-off-by: Stefan Roese --- board/amcc/bamboo/bamboo.c | 81 ------------------------------------ board/amcc/bamboo/u-boot.lds | 14 +------ include/configs/bamboo.h | 67 ++++------------------------- 3 files changed, 8 insertions(+), 154 deletions(-) diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index b5bb145808..6260b016df 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 -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 176900ec2f..f6d7183199 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 bcc736ceb5..db58a9fa74 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 -- 2.25.1