/*
* Rick Bronson <rick@efn.org>
*
- * Configuation settings for the AT91RM9200DK board.
+ * Configuration settings for the AT91RM9200DK board.
*
* See file CREDITS for list of people who contributed to this
* project.
#ifndef __CONFIG_H
#define __CONFIG_H
-/*
- * If we are developing, we might want to start armboot from ram
- * so we MUST NOT initialize critical regs like mem-timing ...
- */
-#define CONFIG_INIT_CRITICAL /* undef for developing */
-
/* ARM asynchronous clock */
-#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
-#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
-/* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */
+#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
+#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
+/* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */
#define AT91_SLOW_CLOCK 32768 /* slow clock */
-#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
-#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
-#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
-#define CONFIG_SETUP_MEMORY_TAGS 1
-#define CONFIG_INITRD_TAG 1
+#define CONFIG_ARM920T 1 /* This is an ARM920T Core */
+#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
+#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+#define USE_920T_MMU 1
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_USE_MAIN_OSCILLATOR 1
+/* flash */
+#define CONFIG_SYS_MC_PUIA_VAL 0x00000000
+#define CONFIG_SYS_MC_PUP_VAL 0x00000000
+#define CONFIG_SYS_MC_PUER_VAL 0x00000000
+#define CONFIG_SYS_MC_ASR_VAL 0x00000000
+#define CONFIG_SYS_MC_AASR_VAL 0x00000000
+#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
+#define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
+
+/* clocks */
+#define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
+#define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
+#define CONFIG_SYS_MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
+
+/* sdram */
+#define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
+#define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
+#define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
+#define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
+#define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
+#define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */
+#define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */
+#define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
+#define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
+#define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
+#define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
+#define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
+#define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
+#else
+#define CONFIG_SKIP_RELOCATE_UBOOT
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
/*
* Size of malloc() pool
*/
-#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
-#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
+#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CONFIG_BAUDRATE 115200
-#define CFG_AT91C_BRGR_DIVISOR 33 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */
-
/*
* Hardware drivers
*/
+/* define one of these to choose the DBGU, USART0 or USART1 as console */
+#define CONFIG_DBGU
+#undef CONFIG_USART0
+#undef CONFIG_USART1
+
#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
#define CONFIG_BOOTDELAY 3
-/* #define CONFIG_ENV_OVERWRITE 1 */
-
-#define CONFIG_COMMANDS \
- ((CONFIG_CMD_DFL | \
- CFG_CMD_DHCP ) & \
- ~(CFG_CMD_BDI | \
- CFG_CMD_IMI | \
- CFG_CMD_AUTOSCRIPT | \
- CFG_CMD_FPGA | \
- CFG_CMD_MISC | \
- CFG_CMD_LOADS ))
-
-/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
-#include <cmd_confdefs.h>
-
-#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
+/* #define CONFIG_ENV_OVERWRITE 1 */
+
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NAND
+
+#define CONFIG_NAND_LEGACY
+
+#define CONFIG_SYS_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_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
-#define NAND_MAX_CHIPS 1
-#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
-#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
+#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
+#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
+#include <asm/arch/AT91RM9200.h> /* needed for port definitions */
#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
#define PHYS_SDRAM 0x20000000
#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
-#define CFG_MEMTEST_START PHYS_SDRAM
-#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
+#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
+#define CONFIG_SYS_MEMTEST_END CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
#define CONFIG_DRIVER_ETHER
-#define CONFIG_NET_RETRY_COUNT 20
+#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_AT91C_USE_RMII
-#define CONFIG_HAS_DATAFLASH 1
-#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
-#define CFG_MAX_DATAFLASH_BANKS 2
-#define CFG_MAX_DATAFLASH_PAGES 16384
-#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
-#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
-
-#define PHYS_FLASH_1 0x10000000
-#define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
-#define CFG_FLASH_BASE PHYS_FLASH_1
-#define CFG_MAX_FLASH_BANKS 1
-#define CFG_MAX_FLASH_SECT 40
-#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
-#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
-
-#undef CFG_ENV_IS_IN_DATAFLASH
-
-#ifdef CFG_ENV_IS_IN_DATAFLASH
-#define CFG_ENV_OFFSET 0x20000
-#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET)
-#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
+/* AC Characteristics */
+/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
+#define DATAFLASH_TCSS (0xC << 16)
+#define DATAFLASH_TCHS (0x1 << 24)
+
+#define CONFIG_HAS_DATAFLASH 1
+#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ)
+#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
+#define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
+
+#define PHYS_FLASH_1 0x10000000
+#define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
+#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
+#define CONFIG_SYS_MAX_FLASH_BANKS 1
+#define CONFIG_SYS_MAX_FLASH_SECT 256
+#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
+#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
+
+#undef CONFIG_ENV_IS_IN_DATAFLASH
+
+#ifdef CONFIG_ENV_IS_IN_DATAFLASH
+#define CONFIG_ENV_OFFSET 0x20000
+#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
#else
-#define CFG_ENV_IS_IN_FLASH 1
-#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* 0x10000 */
-#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
-#endif
-
-
-#define CFG_LOAD_ADDR 0x21000000 /* default load address */
+#define CONFIG_ENV_IS_IN_FLASH 1
+#ifdef CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
+#define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
+#else
+#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
+#define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+#endif /* CONFIG_ENV_IS_IN_DATAFLASH */
-#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */
-#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
-#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */
-#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
+#define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */
-#define CFG_PROMPT "Uboot> " /* Monitor Command Prompt */
-#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
-#define CFG_MAXARGS 16 /* max number of command args */
-#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#ifdef CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */
+#define CONFIG_SYS_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
+#define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */
+#else
+#define CONFIG_SYS_BOOT_SIZE 0x00 /* 0 KBytes */
+#define CONFIG_SYS_U_BOOT_BASE PHYS_FLASH_1
+#define CONFIG_SYS_U_BOOT_SIZE 0x60000 /* 384 KBytes */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
-#ifndef __ASSEMBLY__
-/*-----------------------------------------------------------------------
- * Board specific extension for bd_info
- *
- * This structure is embedded in the global bd_info (bd_t) structure
- * and can be used by the board specific code (eg board/...)
- */
+#define CONFIG_SYS_BAUDRATE_TABLE { 115200, 19200, 38400, 57600, 9600 }
-struct bd_info_ext
-{
- /* helper variable for board environment handling
- *
- * env_crc_valid == 0 => uninitialised
- * env_crc_valid > 0 => environment crc in flash is valid
- * env_crc_valid < 0 => environment crc in flash is invalid
- */
- int env_crc_valid;
-};
-#endif
+#define CONFIG_SYS_PROMPT "U-Boot> " /* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
-#define CFG_HZ AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to
- AT91C_TC_TIMER_DIV1_CLOCK */
+#define CONFIG_SYS_HZ 1000
+#define CONFIG_SYS_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
+ /* AT91C_TC_TIMER_DIV1_CLOCK */
#define CONFIG_STACKSIZE (32*1024) /* regular stack */
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