1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Sysam stmark2 board configuration 4 * 5 * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it> 6 */ 7 8 #ifndef __STMARK2_CONFIG_H 9 #define __STMARK2_CONFIG_H 10 11 #define CONFIG_HOSTNAME "stmark2" 12 13 #define CONFIG_MCFUART 14 #define CONFIG_SYS_UART_PORT 0 15 #define CONFIG_SYS_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 } 16 17 #define LDS_BOARD_TEXT \ 18 board/sysam/stmark2/sbf_dram_init.o (.text*) 19 20 #define CONFIG_TIMESTAMP 21 22 #define CONFIG_BOOTARGS \ 23 "console=ttyS0,115200 root=/dev/ram0 rw " \ 24 "rootfstype=ramfs " \ 25 "rdinit=/bin/init " \ 26 "devtmpfs.mount=1" 27 28 #define CONFIG_BOOTCOMMAND \ 29 "sf probe 0:1 50000000; " \ 30 "sf read ${loadaddr} 0x100000 ${kern_size}; " \ 31 "bootm ${loadaddr}" 32 33 #define CONFIG_EXTRA_ENV_SETTINGS \ 34 "kern_size=0x700000\0" \ 35 "loadaddr=0x40001000\0" \ 36 "-(rootfs)\0" \ 37 "update_uboot=loady ${loadaddr}; " \ 38 "sf probe 0:1 50000000; " \ 39 "sf erase 0 0x80000; " \ 40 "sf write ${loadaddr} 0 ${filesize}\0" \ 41 "update_kernel=loady ${loadaddr}; " \ 42 "setenv kern_size ${filesize}; saveenv; " \ 43 "sf probe 0:1 50000000; " \ 44 "sf erase 0x100000 0x700000; " \ 45 "sf write ${loadaddr} 0x100000 ${filesize}\0" \ 46 "update_rootfs=loady ${loadaddr}; " \ 47 "sf probe 0:1 50000000; " \ 48 "sf erase 0x00800000 0x100000; " \ 49 "sf write ${loadaddr} 0x00800000 ${filesize}\0" \ 50 "" 51 52 /* Realtime clock */ 53 #undef CONFIG_MCFRTC 54 #define CONFIG_RTC_MCFRRTC 55 #define CONFIG_SYS_MCFRRTC_BASE 0xFC0A8000 56 57 /* spi not partitions */ 58 #define CONFIG_JFFS2_CMDLINE 59 #define CONFIG_JFFS2_DEV "nor0" 60 61 /* Timer */ 62 #define CONFIG_MCFTMR 63 #undef CONFIG_MCFPIT 64 65 /* DSPI and Serial Flash */ 66 #define CONFIG_CF_DSPI 67 #define CONFIG_SERIAL_FLASH 68 69 #define CONFIG_SYS_SBFHDR_SIZE 0x7 70 71 /* Input, PCI, Flexbus, and VCO */ 72 #define CONFIG_EXTRA_CLOCK 73 74 #define CONFIG_PRAM 2048 /* 2048 KB */ 75 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 76 77 /* Print Buffer Size */ 78 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 79 sizeof(CONFIG_SYS_PROMPT) + 16) 80 #define CONFIG_SYS_MAXARGS 16 81 /* Boot Argument Buffer Size */ 82 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 83 84 #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x10000) 85 #define CONFIG_SYS_MBAR 0xFC000000 86 87 /* 88 * Definitions for initial stack pointer and data area (in internal SRAM) 89 */ 90 #define CONFIG_SYS_INIT_RAM_ADDR 0x80000000 91 /* End of used area in internal SRAM */ 92 #define CONFIG_SYS_INIT_RAM_SIZE 0x10000 93 #define CONFIG_SYS_INIT_RAM_CTRL 0x221 94 #define CONFIG_SYS_GBL_DATA_OFFSET ((CONFIG_SYS_INIT_RAM_SIZE - \ 95 GENERATED_GBL_DATA_SIZE) - 32) 96 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET 97 #define CONFIG_SYS_SBFHDR_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - 32) 98 99 /* 100 * Start addresses for the final memory configuration 101 * (Set up by the startup code) 102 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 103 */ 104 #define CONFIG_SYS_SDRAM_BASE 0x40000000 105 #define CONFIG_SYS_SDRAM_SIZE 128 /* SDRAM size in MB */ 106 107 #define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x400) 108 #define CONFIG_SYS_MEMTEST_END ((CONFIG_SYS_SDRAM_SIZE - 3) << 20) 109 #define CONFIG_SYS_DRAM_TEST 110 111 #if defined(CONFIG_CF_SBF) 112 #define CONFIG_SERIAL_BOOT 113 #endif 114 115 #if defined(CONFIG_SERIAL_BOOT) 116 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_TEXT_BASE + 0x400) 117 #else 118 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400) 119 #endif 120 121 #define CONFIG_SYS_BOOTPARAMS_LEN (64 * 1024) 122 /* Reserve 256 kB for Monitor */ 123 #define CONFIG_SYS_MONITOR_LEN (256 << 10) 124 /* Reserve 256 kB for malloc() */ 125 #define CONFIG_SYS_MALLOC_LEN (256 << 10) 126 127 /* 128 * For booting Linux, the board info and command line data 129 * have to be in the first 8 MB of memory, since this is 130 * the maximum mapped by the Linux kernel during initialization ?? 131 */ 132 /* Initial Memory map for Linux */ 133 #define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + \ 134 (CONFIG_SYS_SDRAM_SIZE << 20)) 135 136 /* Configuration for environment 137 * Environment is embedded in u-boot in the second sector of the flash 138 */ 139 140 #if defined(CONFIG_CF_SBF) 141 #define CONFIG_ENV_IS_IN_SPI_FLASH 1 142 #endif 143 144 #undef CONFIG_ENV_OVERWRITE 145 146 /* Cache Configuration */ 147 #define CONFIG_SYS_CACHELINE_SIZE 16 148 #define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ 149 CONFIG_SYS_INIT_RAM_SIZE - 8) 150 #define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ 151 CONFIG_SYS_INIT_RAM_SIZE - 4) 152 #define CONFIG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA) 153 #define CONFIG_SYS_DCACHE_INV (CF_CACR_DCINVA) 154 #define CONFIG_SYS_CACHE_ACR2 (CONFIG_SYS_SDRAM_BASE | \ 155 CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \ 156 CF_ACR_EN | CF_ACR_SM_ALL) 157 #define CONFIG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_IEC | \ 158 CF_CACR_ICINVA | CF_CACR_EUSP) 159 #define CONFIG_SYS_CACHE_DCACR ((CONFIG_SYS_CACHE_ICACR | \ 160 CF_CACR_DEC | CF_CACR_DDCM_P | \ 161 CF_CACR_DCINVA) & ~CF_CACR_ICINVA) 162 163 #define CACR_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \ 164 CONFIG_SYS_INIT_RAM_SIZE - 12) 165 166 #endif /* __STMARK2_CONFIG_H */ 167