1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2012 The Chromium OS Authors. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __ASM_ARCH_EXYNOS_SPL_H__ 8*4882a593Smuzhiyun #define __ASM_ARCH_EXYNOS_SPL_H__ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <asm/arch/dmc.h> 11*4882a593Smuzhiyun #include <asm/arch/power.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 14*4882a593Smuzhiyun /* Parameters of early board initialization in SPL */ 15*4882a593Smuzhiyun struct spl_machine_param { 16*4882a593Smuzhiyun /* Add fields as and when required */ 17*4882a593Smuzhiyun u32 signature; 18*4882a593Smuzhiyun u32 version; /* Version number */ 19*4882a593Smuzhiyun u32 size; /* Size of block */ 20*4882a593Smuzhiyun /** 21*4882a593Smuzhiyun * Parameters we expect, in order, terminated with \0. Each parameter 22*4882a593Smuzhiyun * is a single character representing one 32-bit word in this 23*4882a593Smuzhiyun * structure. 24*4882a593Smuzhiyun * 25*4882a593Smuzhiyun * Valid characters in this string are: 26*4882a593Smuzhiyun * 27*4882a593Smuzhiyun * Code Name 28*4882a593Smuzhiyun * v mem_iv_size 29*4882a593Smuzhiyun * m mem_type 30*4882a593Smuzhiyun * u uboot_size 31*4882a593Smuzhiyun * b boot_source 32*4882a593Smuzhiyun * f frequency_mhz (memory frequency in MHz) 33*4882a593Smuzhiyun * a ARM clock frequency in MHz 34*4882a593Smuzhiyun * s serial base address 35*4882a593Smuzhiyun * i i2c base address for early access (meant for PMIC) 36*4882a593Smuzhiyun * r board rev GPIO numbers used to read board revision 37*4882a593Smuzhiyun * (lower halfword=bit 0, upper=bit 1) 38*4882a593Smuzhiyun * M Memory Manufacturer name 39*4882a593Smuzhiyun * \0 termination 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun char params[12]; /* Length must be word-aligned */ 42*4882a593Smuzhiyun u32 mem_iv_size; /* Memory channel interleaving size */ 43*4882a593Smuzhiyun enum ddr_mode mem_type; /* Type of on-board memory */ 44*4882a593Smuzhiyun /* 45*4882a593Smuzhiyun * U-Boot size - The iROM mmc copy function used by the SPL takes a 46*4882a593Smuzhiyun * block count paramter to describe the U-Boot size unlike the spi 47*4882a593Smuzhiyun * boot copy function which just uses the U-Boot size directly. Align 48*4882a593Smuzhiyun * the U-Boot size to block size (512 bytes) when populating the SPL 49*4882a593Smuzhiyun * table only for mmc boot. 50*4882a593Smuzhiyun */ 51*4882a593Smuzhiyun u32 uboot_size; 52*4882a593Smuzhiyun unsigned boot_source; /* Boot device */ 53*4882a593Smuzhiyun unsigned frequency_mhz; /* Frequency of memory in MHz */ 54*4882a593Smuzhiyun unsigned arm_freq_mhz; /* ARM Frequency in MHz */ 55*4882a593Smuzhiyun u32 serial_base; /* Serial base address */ 56*4882a593Smuzhiyun u32 i2c_base; /* i2c base address */ 57*4882a593Smuzhiyun u32 board_rev_gpios; /* Board revision GPIOs */ 58*4882a593Smuzhiyun enum mem_manuf mem_manuf; /* Memory Manufacturer */ 59*4882a593Smuzhiyun } __attribute__((__packed__)); 60*4882a593Smuzhiyun #endif 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /** 63*4882a593Smuzhiyun * Validate signature and return a pointer to the parameter table. If the 64*4882a593Smuzhiyun * signature is invalid, call panic() and never return. 65*4882a593Smuzhiyun * 66*4882a593Smuzhiyun * @return pointer to the parameter table if signature matched or never return. 67*4882a593Smuzhiyun */ 68*4882a593Smuzhiyun struct spl_machine_param *spl_get_machine_params(void); 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun #endif /* __ASM_ARCH_EXYNOS_SPL_H__ */ 71