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-rw-r--r--arch/arm/mach-exynos/include/mach/sromc.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/include/mach/sromc.h b/arch/arm/mach-exynos/include/mach/sromc.h
new file mode 100644
index 0000000..7f58403
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/sromc.h
@@ -0,0 +1,55 @@
+/*
+ * (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_ */