From c57c7980ffe6e04a99b5f401a663426d7144f392 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 11 Aug 2005 17:56:56 +0200 Subject: Add NAND FLASH support for AMCC Bamboo 440EP eval board Patch by Stefan Roese, 11 Aug 2005 --- include/configs/bamboo.h | 138 +++++++++++++++++++++++++++++++++++++---------- 1 file changed, 109 insertions(+), 29 deletions(-) (limited to 'include/configs/bamboo.h') diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index 88bbadf..64ea6be 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -32,11 +32,18 @@ *----------------------------------------------------------------------*/ #define CONFIG_BAMBOO 1 /* Board is BAMBOO */ #define CONFIG_440EP 1 /* Specific PPC440EP support */ - #define CONFIG_4xx 1 /* ... PPC4xx family */ -#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */ +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ + +/* + * Please note that, if NAND support is enabled, the 2nd ethernet port + * can't be used because of pin multiplexing. So, if you want to use the + * 2nd ethernet port you have to "undef" the following define. + */ +#define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */ + /*----------------------------------------------------------------------- * Base addresses -- Note these are effective addresses where the * actual resources get mapped (not physical addresses) @@ -58,13 +65,15 @@ #define CFG_USB_DEVICE 0x50000000 #define CFG_NVRAM_BASE_ADDR 0x80000000 -#define CFG_BCSR_BASE (CFG_NVRAM_BASE_ADDR | 0x2000) +#define CFG_BOOT_BASE_ADDR 0xf0000000 +#define CFG_NAND_ADDR 0x90000000 +#define CFG_NAND2_ADDR 0x94000000 /*----------------------------------------------------------------------- * Initial RAM & stack pointer (placed in SDRAM) *----------------------------------------------------------------------*/ -#define CFG_INIT_RAM_ADDR 0xf0000000 /* DCache */ -#define CFG_INIT_RAM_END 0x1000 +#define CFG_INIT_RAM_ADDR 0x70000000 /* DCache */ +#define CFG_INIT_RAM_END (8 << 10) #define CFG_GBL_DATA_SIZE 256 /* num bytes initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET @@ -88,7 +97,7 @@ * The DS1558 code assumes this condition * *----------------------------------------------------------------------*/ -#define CFG_NVRAM_SIZE (0x2000 - 0x10) /* NVRAM size(8k)- RTC regs */ +#define CFG_NVRAM_SIZE (0x2000 - 0x10) /* NVRAM size(8k)- RTC regs */ #define CONFIG_RTC_DS1556 1 /* DS1556 RTC */ /*----------------------------------------------------------------------- @@ -118,22 +127,81 @@ #define CFG_FLASH_ADDR1 0x2aa #define CFG_FLASH_WORD_SIZE unsigned char -#define CFG_FLASH_2ND_16BIT_DEV 1 /* bamboo has 8 and 16bit device */ -#define CFG_FLASH_2ND_ADDR 0x87800000 /* bamboo has 8 and 16bit device */ +#define CFG_FLASH_2ND_16BIT_DEV 1 /* bamboo has 8 and 16bit device */ +#define CFG_FLASH_2ND_ADDR 0x87800000 /* bamboo has 8 and 16bit device */ #ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) -#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ -#if 0 /* test-only */ /* Address and size of Redundant Environment Sector */ #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) -#endif #endif /* CFG_ENV_IS_IN_FLASH */ /*----------------------------------------------------------------------- + * NAND-FLASH related + *----------------------------------------------------------------------*/ +#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) + +/*----------------------------------------------------------------------- * DDR SDRAM *----------------------------------------------------------------------------- */ #define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ @@ -206,10 +274,14 @@ #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ #define CONFIG_MII 1 /* MII PHY management */ -#define CONFIG_NET_MULTI 1 /* required for netconsole */ #define CONFIG_PHY_ADDR 0 /* PHY address, See schematics */ + +#ifndef CONFIG_BAMBOO_NAND +#define CONFIG_NET_MULTI 1 /* required for netconsole */ #define CONFIG_PHY1_ADDR 1 #define CONFIG_HAS_ETH1 1 /* add support for "eth1addr" */ +#endif /* CONFIG_BAMBOO_NAND */ + #define CONFIG_NO_PHY_RESET 1 /* no PHY reset on bamboo!!! */ #define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */ @@ -228,8 +300,15 @@ #define USB_2_0_DEVICE #endif /*CONFIG_440EP*/ +#ifdef CONFIG_BAMBOO_NAND +#define _CFG_CMD_NAND CFG_CMD_NAND +#else +#define _CFG_CMD_NAND 0 +#endif /* CONFIG_BAMBOO_NAND */ + #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ + CFG_CMD_EEPROM | \ CFG_CMD_DATE | \ CFG_CMD_DHCP | \ CFG_CMD_DIAG | \ @@ -244,6 +323,7 @@ CFG_CMD_REGINFO | \ CFG_CMD_SDRAM | \ CFG_CMD_USB | \ + _CFG_CMD_NAND | \ CFG_CMD_SNTP ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ @@ -253,42 +333,42 @@ * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ -#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) -#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else -#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif -#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ -#define CFG_MAXARGS 16 /* max number of command args */ -#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ -#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ -#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #define CFG_LOAD_ADDR 0x100000 /* default load address */ -#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ -#define CONFIG_LYNXKDI 1 /* support kdi files */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ +#define CONFIG_LYNXKDI 1 /* support kdi files */ -#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ /*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- */ /* General PCI */ -#define CONFIG_PCI /* include pci support */ -#undef CONFIG_PCI_PNP /* do (not) pci plug-and-play */ +#define CONFIG_PCI /* include pci support */ +#undef CONFIG_PCI_PNP /* do (not) pci plug-and-play */ #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ -#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */ +#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE*/ /* Board-specific PCI */ #define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */ #define CFG_PCI_TARGET_INIT #define CFG_PCI_MASTER_INIT -#define CFG_PCI_SUBSYS_VENDORID 0x1014 /* IBM */ -#define CFG_PCI_SUBSYS_ID 0xcafe /* Whatever */ +#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ +#define CFG_PCI_SUBSYS_ID 0xcafe /* Whatever */ /* * For booting Linux, the board info and command line data @@ -300,7 +380,7 @@ /*----------------------------------------------------------------------- * Cache Configuration */ -#define CFG_DCACHE_SIZE 32768 /* For IBM 440 CPUs */ +#define CFG_DCACHE_SIZE (32<<10) /* For IBM 440 CPUs */ #define CFG_CACHELINE_SIZE 32 /* ... */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ -- cgit v1.1