#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 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_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 CFG_USE_MAIN_OSCILLATOR 1
+/* flash */
+#define MC_PUIA_VAL 0x00000000
+#define MC_PUP_VAL 0x00000000
+#define MC_PUER_VAL 0x00000000
+#define MC_ASR_VAL 0x00000000
+#define MC_AASR_VAL 0x00000000
+#define EBI_CFGR_VAL 0x00000000
+#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
+
+/* clocks */
+#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
+#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
+#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
+
+/* sdram */
+#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
+#define PIOC_BSR_VAL 0x00000000
+#define PIOC_PDR_VAL 0xFFFF0000
+#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
+#define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
+#define SDRAM 0x20000000 /* address of the SDRAM */
+#define SDRAM1 0x20000080 /* address of the SDRAM */
+#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
+#define SDRC_MR_VAL 0x00000002 /* Precharge All */
+#define SDRC_MR_VAL1 0x00000004 /* refresh */
+#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
+#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
+#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
/*
* Size of malloc() pool
*/
#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 or USART1 as console */
+/* 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 */
#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>
+/*
+ * 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_MII
+#define CONFIG_CMD_DHCP
+
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_AUTOSCRIPT
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_MISC
+#undef CONFIG_CMD_LOADS
+
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_AT91C_USE_RMII
+/* 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 CFG_SPI_WRITE_TOUT (5*CFG_HZ)
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
#else
#define CFG_ENV_IS_IN_FLASH 1
-#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* 0x10000 */
+#ifdef CONFIG_SKIP_LOWLEVEL_INIT
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
#define CFG_ENV_SIZE 0x2000 /* 0x8000 */
-#endif
+#else
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
+#define CFG_ENV_SIZE 0x10000 /* sectors are 64K here */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+#endif /* CFG_ENV_IS_IN_DATAFLASH */
#define CFG_LOAD_ADDR 0x21000000 /* default load address */
+#ifdef CONFIG_SKIP_LOWLEVEL_INIT
#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */
#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */
+#else
+#define CFG_BOOT_SIZE 0x00 /* 0 KBytes */
+#define CFG_U_BOOT_BASE PHYS_FLASH_1
+#define CFG_U_BOOT_SIZE 0x60000 /* 384 KBytes */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
projects / karo-tx-uboot.git / blobdiff