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 CFG_SYS_UART_PORT 0 12 13 #define LDS_BOARD_TEXT \ 14 board/sysam/stmark2/sbf_dram_init.o (.text*) 15 16 #define CFG_EXTRA_ENV_SETTINGS \ 17 "kern_size=0x700000\0" \ 18 "loadaddr=0x40001000\0" \ 19 "-(rootfs)\0" \ 20 "update_uboot=loady ${loadaddr}; " \ 21 "sf probe 0:1 50000000; " \ 22 "sf erase 0 0x80000; " \ 23 "sf write ${loadaddr} 0 ${filesize}\0" \ 24 "update_kernel=loady ${loadaddr}; " \ 25 "setenv kern_size ${filesize}; saveenv; " \ 26 "sf probe 0:1 50000000; " \ 27 "sf erase 0x100000 0x700000; " \ 28 "sf write ${loadaddr} 0x100000 ${filesize}\0" \ 29 "update_rootfs=loady ${loadaddr}; " \ 30 "sf probe 0:1 50000000; " \ 31 "sf erase 0x00800000 0x100000; " \ 32 "sf write ${loadaddr} 0x00800000 ${filesize}\0" \ 33 "" 34 35 #define CFG_SYS_SBFHDR_SIZE 0x7 36 37 /* Input, PCI, Flexbus, and VCO */ 38 39 #define CFG_PRAM 2048 /* 2048 KB */ 40 41 #define CFG_SYS_MBAR 0xFC000000 42 43 /* 44 * Definitions for initial stack pointer and data area (in internal SRAM) 45 */ 46 #define CFG_SYS_INIT_RAM_ADDR 0x80000000 47 /* End of used area in internal SRAM */ 48 #define CFG_SYS_INIT_RAM_SIZE 0x10000 49 #define CFG_SYS_INIT_RAM_CTRL 0x221 50 #define CFG_SYS_INIT_SP_OFFSET ((CFG_SYS_INIT_RAM_SIZE - \ 51 GENERATED_GBL_DATA_SIZE) - 32) 52 #define CFG_SYS_SBFHDR_DATA_OFFSET (CFG_SYS_INIT_RAM_SIZE - 32) 53 54 /* 55 * Start addresses for the final memory configuration 56 * (Set up by the startup code) 57 * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 58 */ 59 #define CFG_SYS_SDRAM_BASE 0x40000000 60 #define CFG_SYS_SDRAM_SIZE 128 /* SDRAM size in MB */ 61 62 #define CFG_SYS_DRAM_TEST 63 64 /* Reserve 256 kB for Monitor */ 65 66 /* 67 * For booting Linux, the board info and command line data 68 * have to be in the first 8 MB of memory, since this is 69 * the maximum mapped by the Linux kernel during initialization ?? 70 */ 71 /* Initial Memory map for Linux */ 72 #define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + \ 73 (CFG_SYS_SDRAM_SIZE << 20)) 74 75 /* Configuration for environment 76 * Environment is embedded in u-boot in the second sector of the flash 77 */ 78 79 /* Cache Configuration */ 80 #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 81 CFG_SYS_INIT_RAM_SIZE - 8) 82 #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 83 CFG_SYS_INIT_RAM_SIZE - 4) 84 #define CFG_SYS_ICACHE_INV (CF_CACR_BCINVA + CF_CACR_ICINVA) 85 #define CFG_SYS_DCACHE_INV (CF_CACR_DCINVA) 86 #define CFG_SYS_CACHE_ACR2 (CFG_SYS_SDRAM_BASE | \ 87 CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ 88 CF_ACR_EN | CF_ACR_SM_ALL) 89 #define CFG_SYS_CACHE_ICACR (CF_CACR_BEC | CF_CACR_IEC | \ 90 CF_CACR_ICINVA | CF_CACR_EUSP) 91 #define CFG_SYS_CACHE_DCACR ((CFG_SYS_CACHE_ICACR | \ 92 CF_CACR_DEC | CF_CACR_DDCM_P | \ 93 CF_CACR_DCINVA) & ~CF_CACR_ICINVA) 94 95 #define CACR_STATUS (CFG_SYS_INIT_RAM_ADDR + \ 96 CFG_SYS_INIT_RAM_SIZE - 12) 97 98 #define CFG_SYS_I2C_0 99 100 #endif /* __STMARK2_CONFIG_H */ 101