projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 47d41cc3 | 1 | /* |
| f348ab85 | 2 | * config.h - setup common defines for Blackfin boards based on config.h |
| 47d41cc3 | 3 | * |
| f348ab85 | 4 | * Copyright (c) 2007-2009 Analog Devices Inc. |
| 47d41cc3 | 5 | * |
| f348ab85 | 6 | * Licensed under the GPL-2 or later. |
| 47d41cc3 KG |
7 | */ |
| 8 | ||
| f348ab85 MF |
9 | #ifndef __ASM_BLACKFIN_CONFIG_POST_H__ |
| 10 | #define __ASM_BLACKFIN_CONFIG_POST_H__ | |
| 11 | ||
| 12 | /* Sanity check CONFIG_BFIN_CPU */ | |
| 13 | #ifndef CONFIG_BFIN_CPU | |
| 14 | # error CONFIG_BFIN_CPU: your board config needs to define this | |
| 15 | #endif | |
| 16 | ||
| 17 | /* Make sure the structure is properly aligned */ | |
| 18 | #if ((CONFIG_SYS_GBL_DATA_ADDR & -4) != CONFIG_SYS_GBL_DATA_ADDR) | |
| 19 | # error CONFIG_SYS_GBL_DATA_ADDR: must be 4 byte aligned | |
| 20 | #endif | |
| 21 | ||
| 22 | /* Set default CONFIG_VCO_HZ if need be */ | |
| 23 | #if !defined(CONFIG_VCO_HZ) | |
| 24 | # if (CONFIG_CLKIN_HALF == 0) | |
| 25 | # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) | |
| 26 | # else | |
| 27 | # define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) / 2) | |
| 28 | # endif | |
| 29 | #endif | |
| 30 | ||
| 31 | /* Set default CONFIG_CCLK_HZ if need be */ | |
| 32 | #if !defined(CONFIG_CCLK_HZ) | |
| 33 | # if (CONFIG_PLL_BYPASS == 0) | |
| 34 | # define CONFIG_CCLK_HZ (CONFIG_VCO_HZ / CONFIG_CCLK_DIV) | |
| 35 | # else | |
| 36 | # define CONFIG_CCLK_HZ CONFIG_CLKIN_HZ | |
| 37 | # endif | |
| 38 | #endif | |
| 39 | ||
| 40 | /* Set default CONFIG_SCLK_HZ if need be */ | |
| 41 | #if !defined(CONFIG_SCLK_HZ) | |
| 42 | # if (CONFIG_PLL_BYPASS == 0) | |
| 43 | # define CONFIG_SCLK_HZ (CONFIG_VCO_HZ / CONFIG_SCLK_DIV) | |
| 44 | # else | |
| 45 | # define CONFIG_SCLK_HZ CONFIG_CLKIN_HZ | |
| 46 | # endif | |
| 47 | #endif | |
| 48 | ||
| 49 | /* Since we use these to program PLL registers directly, | |
| 50 | * make sure the values are sane and won't screw us up. | |
| 51 | */ | |
| 52 | #if (CONFIG_VCO_MULT & 0x3F) != CONFIG_VCO_MULT | |
| 53 | # error CONFIG_VCO_MULT: Invalid value: must fit in 6 bits (0 - 63) | |
| 54 | #endif | |
| 55 | #if (CONFIG_CLKIN_HALF & 0x1) != CONFIG_CLKIN_HALF | |
| 56 | # error CONFIG_CLKIN_HALF: Invalid value: must be 0 or 1 | |
| 57 | #endif | |
| 58 | #if (CONFIG_PLL_BYPASS & 0x1) != CONFIG_PLL_BYPASS | |
| 59 | # error CONFIG_PLL_BYPASS: Invalid value: must be 0 or 1 | |
| 60 | #endif | |
| 61 | ||
| 62 | /* Using L1 scratch pad makes sense for everyone by default. */ | |
| 63 | #ifndef CONFIG_LINUX_CMDLINE_ADDR | |
| 64 | # define CONFIG_LINUX_CMDLINE_ADDR L1_SRAM_SCRATCH | |
| 65 | #endif | |
| 66 | #ifndef CONFIG_LINUX_CMDLINE_SIZE | |
| 67 | # define CONFIG_LINUX_CMDLINE_SIZE L1_SRAM_SCRATCH_SIZE | |
| 68 | #endif | |
| 69 | ||
| 70 | /* Set default SPI flash CS to the one we boot from */ | |
| 71 | #if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_SPI_CS) | |
| 72 | # define CONFIG_ENV_SPI_CS BFIN_BOOT_SPI_SSEL | |
| 73 | #endif | |
| 74 | ||
| 75 | /* Default/common Blackfin memory layout */ | |
| 76 | #ifndef CONFIG_SYS_SDRAM_BASE | |
| 77 | # define CONFIG_SYS_SDRAM_BASE 0 | |
| 78 | #endif | |
| 79 | #ifndef CONFIG_SYS_MAX_RAM_SIZE | |
| 80 | # define CONFIG_SYS_MAX_RAM_SIZE (CONFIG_MEM_SIZE * 1024 * 1024) | |
| 81 | #endif | |
| 82 | #ifndef CONFIG_SYS_MONITOR_BASE | |
| 83 | # define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_MAX_RAM_SIZE - CONFIG_SYS_MONITOR_LEN) | |
| 84 | #endif | |
| 85 | #ifndef CONFIG_SYS_MALLOC_BASE | |
| 86 | # define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN) | |
| 87 | #endif | |
| 88 | #ifndef CONFIG_SYS_GBL_DATA_SIZE | |
| 89 | # define CONFIG_SYS_GBL_DATA_SIZE (128) | |
| 90 | #endif | |
| 91 | #ifndef CONFIG_SYS_GBL_DATA_ADDR | |
| 92 | # define CONFIG_SYS_GBL_DATA_ADDR (CONFIG_SYS_MALLOC_BASE - CONFIG_SYS_GBL_DATA_SIZE) | |
| 93 | #endif | |
| 94 | #ifndef CONFIG_STACKBASE | |
| 95 | # define CONFIG_STACKBASE (CONFIG_SYS_GBL_DATA_ADDR - 4) | |
| 96 | #endif | |
| 97 | #ifndef CONFIG_SYS_MEMTEST_START | |
| 98 | # define CONFIG_SYS_MEMTEST_START 0 | |
| 99 | #endif | |
| 100 | #ifndef CONFIG_SYS_MEMTEST_END | |
| 101 | # define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 8192 + 4) | |
| 102 | #endif | |
| 103 | ||
| 104 | /* Check to make sure everything fits in external RAM */ | |
| 105 | #if ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) > CONFIG_SYS_MAX_RAM_SIZE) | |
| 106 | # error Memory Map does not fit into configuration | |
| 107 | #endif | |
| 108 | ||
| 109 | /* Default/common Blackfin environment settings */ | |
| 110 | #ifndef CONFIG_LOADADDR | |
| 111 | # define CONFIG_LOADADDR 0x1000000 | |
| 112 | #endif | |
| 113 | #ifndef CONFIG_SYS_LOAD_ADDR | |
| 114 | # define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR | |
| 115 | #endif | |
| 116 | #ifndef CONFIG_SYS_BOOTM_LEN | |
| 117 | # define CONFIG_SYS_BOOTM_LEN 0x4000000 | |
| 118 | #endif | |
| 119 | #ifndef CONFIG_SYS_PROMPT | |
| 120 | # define CONFIG_SYS_PROMPT "bfin> " | |
| 121 | #endif | |
| 122 | #ifndef CONFIG_SYS_CBSIZE | |
| 69a25ce3 | 123 | # define CONFIG_SYS_CBSIZE 1024 |
| f348ab85 MF |
124 | #endif |
| 125 | #ifndef CONFIG_SYS_BARGSIZE | |
| 126 | # define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE | |
| 127 | #endif | |
| 128 | #ifndef CONFIG_SYS_PBSIZE | |
| 129 | # define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) | |
| 130 | #endif | |
| 131 | #ifndef CONFIG_SYS_MAXARGS | |
| 132 | # define CONFIG_SYS_MAXARGS 16 | |
| 133 | #endif | |
| 134 | #if defined(CONFIG_SYS_HZ) | |
| 135 | # if (CONFIG_SYS_HZ != 1000) | |
| 136 | # warning "CONFIG_SYS_HZ must always be 1000" | |
| 137 | # endif | |
| 138 | # undef CONFIG_SYS_HZ | |
| 139 | #endif | |
| 140 | #define CONFIG_SYS_HZ 1000 | |
| 141 | #ifndef CONFIG_SYS_BAUDRATE_TABLE | |
| 142 | # define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
| 143 | #endif | |
| 47d41cc3 KG |
144 | |
| 145 | #endif |