1 /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ 2 /* 3 * Copyright (c) 2018 Microsemi Corporation 4 */ 5 6 #ifndef __VCOREIII_H 7 #define __VCOREIII_H 8 9 #include <linux/sizes.h> 10 11 /* Onboard devices */ 12 13 #define CONFIG_SYS_INIT_SP_OFFSET 0x400000 14 15 #if defined(CONFIG_SOC_LUTON) || defined(CONFIG_SOC_SERVAL) 16 #define CPU_CLOCK_RATE 416666666 /* Clock for the MIPS core */ 17 #define CONFIG_SYS_MIPS_TIMER_FREQ 208333333 18 #else 19 #define CPU_CLOCK_RATE 500000000 /* Clock for the MIPS core */ 20 #define CONFIG_SYS_MIPS_TIMER_FREQ (CPU_CLOCK_RATE / 2) 21 #endif 22 #define CONFIG_SYS_NS16550_CLK CONFIG_SYS_MIPS_TIMER_FREQ 23 24 #define CONFIG_SYS_SDRAM_BASE 0x80000000 25 #if defined(CONFIG_DDRTYPE_H5TQ1G63BFA) || defined(CONFIG_DDRTYPE_MT47H128M8HQ) 26 #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) 27 #elif defined(CONFIG_DDRTYPE_MT41J128M16HA) || defined(CONFIG_DDRTYPE_MT41K128M16JT) 28 #define CONFIG_SYS_SDRAM_SIZE (256 * SZ_1M) 29 #elif defined(CONFIG_DDRTYPE_H5TQ4G63MFR) || defined(CONFIG_DDRTYPE_MT41K256M16) 30 #define CONFIG_SYS_SDRAM_SIZE (512 * SZ_1M) 31 #else 32 #error Unknown DDR size - please add! 33 #endif 34 35 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE 36 37 #if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT) 38 #define VCOREIII_DEFAULT_MTD_ENV \ 39 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" \ 40 "mtdids="CONFIG_MTDIDS_DEFAULT"\0" 41 #else 42 #define VCOREIII_DEFAULT_MTD_ENV /* Go away */ 43 #endif 44 45 #define CONFIG_SYS_BOOTM_LEN (16 << 20) /* Increase max gunzip size */ 46 47 #define CONFIG_EXTRA_ENV_SETTINGS \ 48 VCOREIII_DEFAULT_MTD_ENV \ 49 "loadaddr=0x81000000\0" \ 50 "spi_image_off=0x00100000\0" \ 51 "console=ttyS0,115200\0" \ 52 "setup=setenv bootargs console=${console} ${mtdparts}" \ 53 "${bootargs_extra}\0" \ 54 "spiboot=run setup; sf probe; sf read ${loadaddr}" \ 55 "${spi_image_off} 0x600000; bootm ${loadaddr}\0" \ 56 "ubootfile=u-boot.bin\0" \ 57 "update=sf probe;mtdparts;dhcp ${loadaddr} ${ubootfile};" \ 58 "sf erase UBoot 0x100000;" \ 59 "sf write ${loadaddr} UBoot ${filesize}\0" \ 60 "bootcmd=run spiboot\0" \ 61 "" 62 #endif /* __VCOREIII_H */ 63