upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/include/asm/arch-exynos/sromc.h

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/*
* (C) Copyright 2010 Samsung Electronics
* Naveen Krishna Ch <ch.naveen@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*
* Note: This file contains the register description for SROMC
*/
#ifndef __ASM_ARCH_SROMC_H_
#define __ASM_ARCH_SROMC_H_
#define SROMC_DATA16_WIDTH(x) (1<<((x*4)+0))
#define SROMC_BYTE_ADDR_MODE(x) (1<<((x*4)+1)) /* 0-> Half-word base address*/
/* 1-> Byte base address*/
#define SROMC_WAIT_ENABLE(x) (1<<((x*4)+2))
#define SROMC_BYTE_ENABLE(x) (1<<((x*4)+3))
#define SROMC_BC_TACS(x) (x << 28) /* address set-up */
#define SROMC_BC_TCOS(x) (x << 24) /* chip selection set-up */
#define SROMC_BC_TACC(x) (x << 16) /* access cycle */
#define SROMC_BC_TCOH(x) (x << 12) /* chip selection hold */
#define SROMC_BC_TAH(x) (x << 8) /* address holding time */
#define SROMC_BC_TACP(x) (x << 4) /* page mode access cycle */
#define SROMC_BC_PMC(x) (x << 0) /* normal(1data)page mode configuration */
#ifndef __ASSEMBLY__
struct s5p_sromc {
unsigned int bw;
unsigned int bc[4];
};
#endif /* __ASSEMBLY__ */
/* Configure the Band Width and Bank Control Regs for required SROMC Bank */
void s5p_config_sromc(u32 srom_bank, u32 srom_bw_conf, u32 srom_bc_conf);
enum {
FDT_SROM_PMC,
FDT_SROM_TACP,
FDT_SROM_TAH,
FDT_SROM_TCOH,
FDT_SROM_TACC,
FDT_SROM_TCOS,
FDT_SROM_TACS,
FDT_SROM_TIMING_COUNT,
};
struct fdt_sromc {
u8 bank; /* srom bank number */
u8 width; /* bus width in bytes */
unsigned int timing[FDT_SROM_TIMING_COUNT]; /* timing parameters */
};
#endif /* __ASM_ARCH_SROMC_H_ */