[PATCH 1/2] ARM: EXYNOS: Add files about definition of C2C
Kisang Lee
kisang80.lee at samsung.com
Sat Feb 4 03:13:00 EST 2012
Cc: Arnd Bergmann <arnd <at> arndb.de>
Cc: Greg Kroah-Hartman <greg <at> kroah.com>
Following files are added for C2C driver
c2c.h : Definition of C2C platform data and mode
regs-c2c.h : Definition of C2C registers
Signed-off-by: Kisang Lee <kisang80.lee at samsung.com>
---
arch/arm/mach-exynos/include/mach/c2c.h | 65 +++++++++++++++++++++++
arch/arm/mach-exynos/include/mach/regs-c2c.h | 71 ++++++++++++++++++++++++++
2 files changed, 136 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-exynos/include/mach/c2c.h
create mode 100644 arch/arm/mach-exynos/include/mach/regs-c2c.h
diff --git a/arch/arm/mach-exynos/include/mach/c2c.h b/arch/arm/mach-exynos/include/mach/c2c.h
new file mode 100644
index 0000000..c3d6131
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/c2c.h
@@ -0,0 +1,65 @@
+/* linux/arch/arm/mach-exynos/include/mach/c2c.h
+ *
+ * Copyright 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Platform header file for Samsung C2C Interface driver
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+#ifndef __ASM_PLAT_C2C_H
+#define __ASM_PLAT_C2C_H __FILE__
+
+#define C2C_SHAREDMEM_BASE 0x60000000
+
+enum c2c_opp_mode {
+ C2C_OPP0 = 0,
+ C2C_OPP25 = 1,
+ C2C_OPP50 = 2,
+ C2C_OPP100 = 3,
+};
+
+enum c2c_buswidth {
+ C2C_BUSWIDTH_8 = 0,
+ C2C_BUSWIDTH_10 = 1,
+ C2C_BUSWIDTH_16 = 2,
+};
+
+enum c2c_shrdmem_size {
+ C2C_MEMSIZE_4 = 0,
+ C2C_MEMSIZE_8 = 1,
+ C2C_MEMSIZE_16 = 2,
+ C2C_MEMSIZE_32 = 3,
+ C2C_MEMSIZE_64 = 4,
+ C2C_MEMSIZE_128 = 5,
+ C2C_MEMSIZE_256 = 6,
+ C2C_MEMSIZE_512 = 7,
+};
+
+struct exynos_c2c_platdata {
+ void (*setup_gpio)(enum c2c_buswidth rx_width,
+ enum c2c_buswidth tx_width);
+
+ u32 shdmem_addr;
+ enum c2c_shrdmem_size shdmem_size;
+
+ void __iomem *ap_sscm_addr;
+ void __iomem *cp_sscm_addr;
+
+ enum c2c_buswidth rx_width;
+ enum c2c_buswidth tx_width;
+ u32 clk_opp100; /* clock of OPP100 mode */
+ u32 clk_opp50; /* clock of OPP50 mode */
+ u32 clk_opp25; /* clock of OPP25 */
+ enum c2c_opp_mode default_opp_mode;
+
+ void __iomem *c2c_sysreg; /* System Register address for C2C */
+ char *c2c_clk;
+};
+
+extern void exynos_c2c_set_platdata(struct exynos_c2c_platdata *pd);
+extern void exynos_c2c_cfg_gpio(enum c2c_buswidth rx_width,
+ enum c2c_buswidth tx_width);
+#endif /*__ASM_PLAT_C2C_H */
diff --git a/arch/arm/mach-exynos/include/mach/regs-c2c.h b/arch/arm/mach-exynos/include/mach/regs-c2c.h
new file mode 100644
index 0000000..0c3d005
--- /dev/null
+++ b/arch/arm/mach-exynos/include/mach/regs-c2c.h
@@ -0,0 +1,71 @@
+/* linux/arch/arm/mach-exynos/include/mach/regs-c2c.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Register definition file for Samsung C2C
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARM_REGS_S5P_C2C_H
+#define __ASM_ARM_REGS_S5P_C2C_H
+
+/***************************************************************/
+/* C2C Registers part */
+/***************************************************************/
+#define EXYNOS_C2C_REVISION 0x0
+#define EXYNOS_C2C_SYSCONFIG 0x4
+#define EXYNOS_C2C_SYSSTATUS 0x8
+#define EXYNOS_C2C_PORTCONFIG 0xc
+#define EXYNOS_C2C_MIRRORMODE 0x10
+#define EXYNOS_C2C_IRQ_RAW_STAT0 0x14
+#define EXYNOS_C2C_IRQ_RAW_STAT1 0x18
+#define EXYNOS_C2C_IRQ_EN_STAT0 0x1c
+#define EXYNOS_C2C_IRQ_EN_STAT1 0x20
+#define EXYNOS_C2C_IRQ_EN_SET0 0x24
+#define EXYNOS_C2C_IRQ_EN_SET1 0x28
+#define EXYNOS_C2C_IRQ_EN_CLEAR0 0x2c
+#define EXYNOS_C2C_IRQ_EN_CLEAR1 0x30
+#define EXYNOS_C2C_IRQ_EOI 0x34
+
+#define EXYNOS_C2C_FCLK_FREQ 0x40
+#define EXYNOS_C2C_RX_MAX_FREQ 0x44
+#define EXYNOS_C2C_TX_MAX_FREQ 0x48
+#define EXYNOS_C2C_RX_MAX_FREQ_ACK 0x4c
+#define EXYNOS_C2C_WAKE_REQ 0x50
+#define EXYNOS_C2C_WAKE_ACK 0x54
+#define EXYNOS_C2C_STANDBY 0x60
+#define EXYNOS_C2C_STANDBY_IN 0x64
+#define EXYNOS_C2C_WAIT 0x68
+#define EXYNOS_C2C_GENI_CONTROL 0x70
+#define EXYNOS_C2C_GENI_MASK 0x74
+#define EXYNOS_C2C_GENO_STATUS 0x80
+
+#define EXYNOS_C2C_GENO_INT 0x84
+#define EXYNOS_C2C_GENO_LEVEL 0x88
+
+/***************************************************************/
+/* C2C Bit definition part */
+/***************************************************************/
+/* SYSREG Bit definition */
+#define C2C_SYSREG_CG (31) /* C2C Clock Gating [31] */
+#define C2C_SYSREG_MO (30) /* Master On [30] */
+#define C2C_SYSREG_FCLK (20) /* Default Functional Clock Freq [29:20] */
+#define C2C_SYSREG_TXW (18) /* Default Tx Width [19:18] */
+#define C2C_SYSREG_RXW (16) /* Default Rx Width [17:16] */
+#define C2C_SYSREG_RST (15) /* Reset [15] */
+#define C2C_SYSREG_MD (14) /* Master On [14] */
+#define C2C_SYSREG_RTRST (13) /* Reset retention registers [13] */
+#define C2C_SYSREG_BASE_ADDR (3) /* DRAM Base Address [12:3] */
+#define C2C_SYSREG_DRAM_SIZE (0) /* DRAM Size [2:0] */
+
+#define C2C_GENIO_LATENCY_INT (26)
+#define C2C_GENIO_OPP_INT (27)
+#define C2C_GENIO_OPP_MODE0 (28)
+#define C2C_GENIO_OPP_MODE1 (29)
+#define C2C_GENIO_LATENCY0 (30)
+#define C2C_GENIO_LATENCY1 (31)
+#endif /* __ASM_ARM_REGS_S5P_C2C_H */
--
1.7.1
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