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