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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/mach-exynos4/clock.c61
-rw-r--r--arch/arm/mach-exynos4/include/mach/map.h2
-rw-r--r--arch/arm/mach-s5pv210/clock.c7
-rw-r--r--arch/arm/mach-s5pv210/include/mach/map.h3
-rw-r--r--arch/arm/plat-s5p/Kconfig5
-rw-r--r--arch/arm/plat-s5p/Makefile2
-rw-r--r--arch/arm/plat-s5p/dev-mfc.c123
-rw-r--r--arch/arm/plat-s5p/include/plat/mfc.h27
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h3
10 files changed, 234 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2b5f82f34a7..b0f9ddbffd5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -753,6 +753,7 @@ config ARCH_S5PV210
bool "Samsung S5PV210/S5PC110"
select CPU_V7
select ARCH_SPARSEMEM_ENABLE
+ select ARCH_HAS_HOLES_MEMORYMODEL
select GENERIC_GPIO
select HAVE_CLK
select CLKDEV_LOOKUP
@@ -770,6 +771,7 @@ config ARCH_EXYNOS4
bool "Samsung EXYNOS4"
select CPU_V7
select ARCH_SPARSEMEM_ENABLE
+ select ARCH_HAS_HOLES_MEMORYMODEL
select GENERIC_GPIO
select HAVE_CLK
select CLKDEV_LOOKUP
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 66494f28bbe..851dea01857 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -528,6 +528,11 @@ static struct clk init_clocks_off[] = {
.enable = exynos4_clk_ip_image_ctrl,
.ctrlbit = (1 << 0),
}, {
+ .name = "mfc",
+ .devname = "s5p-mfc",
+ .enable = exynos4_clk_ip_mfc_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
.name = "i2c",
.devname = "s3c2440-i2c.0",
.parent = &clk_aclk_100.clk,
@@ -731,6 +736,52 @@ static struct clksrc_sources clkset_mout_g2d = {
.nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
};
+static struct clk *clkset_mout_mfc0_list[] = {
+ [0] = &clk_mout_mpll.clk,
+ [1] = &clk_sclk_apll.clk,
+};
+
+static struct clksrc_sources clkset_mout_mfc0 = {
+ .sources = clkset_mout_mfc0_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_mfc0_list),
+};
+
+static struct clksrc_clk clk_mout_mfc0 = {
+ .clk = {
+ .name = "mout_mfc0",
+ },
+ .sources = &clkset_mout_mfc0,
+ .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_mout_mfc1_list[] = {
+ [0] = &clk_mout_epll.clk,
+ [1] = &clk_sclk_vpll.clk,
+};
+
+static struct clksrc_sources clkset_mout_mfc1 = {
+ .sources = clkset_mout_mfc1_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_mfc1_list),
+};
+
+static struct clksrc_clk clk_mout_mfc1 = {
+ .clk = {
+ .name = "mout_mfc1",
+ },
+ .sources = &clkset_mout_mfc1,
+ .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 4, .size = 1 },
+};
+
+static struct clk *clkset_mout_mfc_list[] = {
+ [0] = &clk_mout_mfc0.clk,
+ [1] = &clk_mout_mfc1.clk,
+};
+
+static struct clksrc_sources clkset_mout_mfc = {
+ .sources = clkset_mout_mfc_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_mfc_list),
+};
+
static struct clksrc_clk clk_dout_mmc0 = {
.clk = {
.name = "dout_mmc0",
@@ -974,6 +1025,14 @@ static struct clksrc_clk clksrcs[] = {
.reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
}, {
.clk = {
+ .name = "sclk_mfc",
+ .devname = "s5p-mfc",
+ },
+ .sources = &clkset_mout_mfc,
+ .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 8, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_MFC, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.0",
.parent = &clk_dout_mmc0.clk,
@@ -1049,6 +1108,8 @@ static struct clksrc_clk *sysclks[] = {
&clk_dout_mmc2,
&clk_dout_mmc3,
&clk_dout_mmc4,
+ &clk_mout_mfc0,
+ &clk_mout_mfc1,
};
static int xtal_rate;
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index 44b796926f5..d32296dc65e 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -108,6 +108,7 @@
#define EXYNOS4_PA_EHCI 0x12580000
#define EXYNOS4_PA_HSPHY 0x125B0000
+#define EXYNOS4_PA_MFC 0x13400000
#define EXYNOS4_PA_UART 0x13800000
@@ -155,6 +156,7 @@
#define S5P_PA_ONENAND_DMA EXYNOS4_PA_ONENAND_DMA
#define S5P_PA_SDRAM EXYNOS4_PA_SDRAM
#define S5P_PA_SROMC EXYNOS4_PA_SROMC
+#define S5P_PA_MFC EXYNOS4_PA_MFC
#define S5P_PA_SYSCON EXYNOS4_PA_SYSCON
#define S5P_PA_TIMER EXYNOS4_PA_TIMER
#define S5P_PA_EHCI EXYNOS4_PA_EHCI
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index b5c95e663c5..1404a4c4377 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -324,6 +324,12 @@ static struct clk init_clocks_off[] = {
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1 << 26),
}, {
+ .name = "mfc",
+ .devname = "s5p-mfc",
+ .parent = &clk_pclk_psys.clk,
+ .enable = s5pv210_clk_ip0_ctrl,
+ .ctrlbit = (1 << 16),
+ }, {
.name = "otg",
.parent = &clk_hclk_psys.clk,
.enable = s5pv210_clk_ip1_ctrl,
@@ -914,6 +920,7 @@ static struct clksrc_clk clksrcs[] = {
}, {
.clk = {
.name = "sclk_mfc",
+ .devname = "s5p-mfc",
.enable = s5pv210_clk_ip0_ctrl,
.ctrlbit = (1 << 16),
},
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index 1dd58836fd4..aac343c180b 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -59,6 +59,8 @@
#define S5PV210_PA_CFCON 0xE8200000
+#define S5PV210_PA_MFC 0xF1700000
+
#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000))
#define S5PV210_PA_HSOTG 0xEC000000
@@ -107,6 +109,7 @@
#define S5P_PA_FIMC1 S5PV210_PA_FIMC1
#define S5P_PA_FIMC2 S5PV210_PA_FIMC2
#define S5P_PA_MIPI_CSIS0 S5PV210_PA_MIPI_CSIS
+#define S5P_PA_MFC S5PV210_PA_MFC
#define S5P_PA_ONENAND S5PC110_PA_ONENAND
#define S5P_PA_ONENAND_DMA S5PC110_PA_ONENAND_DMA
#define S5P_PA_SDRAM S5PV210_PA_SDRAM
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 7537ad57c7d..9843c954c04 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -76,6 +76,11 @@ config S5P_DEV_FIMD0
help
Compile in platform device definitions for FIMD controller 0
+config S5P_DEV_MFC
+ bool
+ help
+ Compile in platform device definitions for MFC
+
config S5P_DEV_ONENAND
bool
help
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index eec7e24c1a0..4b53e04eeca 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_PM) += irq-pm.o
obj-$(CONFIG_S5P_HRT) += s5p-time.o
# devices
-
+obj-$(CONFIG_S5P_DEV_MFC) += dev-mfc.o
obj-$(CONFIG_S5P_DEV_FIMC0) += dev-fimc0.o
obj-$(CONFIG_S5P_DEV_FIMC1) += dev-fimc1.o
obj-$(CONFIG_S5P_DEV_FIMC2) += dev-fimc2.o
diff --git a/arch/arm/plat-s5p/dev-mfc.c b/arch/arm/plat-s5p/dev-mfc.c
new file mode 100644
index 00000000000..94226a0010f
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-mfc.c
@@ -0,0 +1,123 @@
+/* linux/arch/arm/plat-s5p/dev-mfc.c
+ *
+ * Copyright (C) 2010-2011 Samsung Electronics Co.Ltd
+ *
+ * Base S5P MFC resource and device definitions
+ *
+ * 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.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/memblock.h>
+#include <linux/ioport.h>
+
+#include <mach/map.h>
+#include <plat/devs.h>
+#include <plat/irqs.h>
+#include <plat/mfc.h>
+
+static struct resource s5p_mfc_resource[] = {
+ [0] = {
+ .start = S5P_PA_MFC,
+ .end = S5P_PA_MFC + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_MFC,
+ .end = IRQ_MFC,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device s5p_device_mfc = {
+ .name = "s5p-mfc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s5p_mfc_resource),
+ .resource = s5p_mfc_resource,
+};
+
+/*
+ * MFC hardware has 2 memory interfaces which are modelled as two separate
+ * platform devices to let dma-mapping distinguish between them.
+ *
+ * MFC parent device (s5p_device_mfc) must be registered before memory
+ * interface specific devices (s5p_device_mfc_l and s5p_device_mfc_r).
+ */
+
+static u64 s5p_mfc_dma_mask = DMA_BIT_MASK(32);
+
+struct platform_device s5p_device_mfc_l = {
+ .name = "s5p-mfc-l",
+ .id = -1,
+ .dev = {
+ .parent = &s5p_device_mfc.dev,
+ .dma_mask = &s5p_mfc_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+struct platform_device s5p_device_mfc_r = {
+ .name = "s5p-mfc-r",
+ .id = -1,
+ .dev = {
+ .parent = &s5p_device_mfc.dev,
+ .dma_mask = &s5p_mfc_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+struct s5p_mfc_reserved_mem {
+ phys_addr_t base;
+ unsigned long size;
+ struct device *dev;
+};
+
+static struct s5p_mfc_reserved_mem s5p_mfc_mem[2] __initdata;
+
+void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
+ phys_addr_t lbase, unsigned int lsize)
+{
+ int i;
+
+ s5p_mfc_mem[0].dev = &s5p_device_mfc_r.dev;
+ s5p_mfc_mem[0].base = rbase;
+ s5p_mfc_mem[0].size = rsize;
+
+ s5p_mfc_mem[1].dev = &s5p_device_mfc_l.dev;
+ s5p_mfc_mem[1].base = lbase;
+ s5p_mfc_mem[1].size = lsize;
+
+ for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) {
+ struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i];
+ if (memblock_remove(area->base, area->size)) {
+ printk(KERN_ERR "Failed to reserve memory for MFC device (%ld bytes at 0x%08lx)\n",
+ area->size, (unsigned long) area->base);
+ area->base = 0;
+ }
+ }
+}
+
+static int __init s5p_mfc_memory_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(s5p_mfc_mem); i++) {
+ struct s5p_mfc_reserved_mem *area = &s5p_mfc_mem[i];
+ if (!area->base)
+ continue;
+
+ if (dma_declare_coherent_memory(area->dev, area->base,
+ area->base, area->size,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE) == 0)
+ printk(KERN_ERR "Failed to declare coherent memory for MFC device (%ld bytes at 0x%08lx)\n",
+ area->size, (unsigned long) area->base);
+ }
+ return 0;
+}
+device_initcall(s5p_mfc_memory_init);
diff --git a/arch/arm/plat-s5p/include/plat/mfc.h b/arch/arm/plat-s5p/include/plat/mfc.h
new file mode 100644
index 00000000000..6697f8cb294
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/mfc.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics Co.Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __PLAT_S5P_MFC_H
+#define __PLAT_S5P_MFC_H
+
+/**
+ * s5p_mfc_reserve_mem - function to early reserve memory for MFC driver
+ * @rbase: base address for MFC 'right' memory interface
+ * @rsize: size of the memory reserved for MFC 'right' interface
+ * @lbase: base address for MFC 'left' memory interface
+ * @lsize: size of the memory reserved for MFC 'left' interface
+ *
+ * This function reserves system memory for both MFC device memory
+ * interfaces and registers it to respective struct device entries as
+ * coherent memory.
+ */
+void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
+ phys_addr_t lbase, unsigned int lsize);
+
+#endif /* __PLAT_S5P_MFC_H */
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 3ceaf86ba45..24ebb1e1de4 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -139,6 +139,9 @@ extern struct platform_device s5p_device_fimc1;
extern struct platform_device s5p_device_fimc2;
extern struct platform_device s5p_device_fimc3;
+extern struct platform_device s5p_device_mfc;
+extern struct platform_device s5p_device_mfc_l;
+extern struct platform_device s5p_device_mfc_r;
extern struct platform_device s5p_device_mipi_csis0;
extern struct platform_device s5p_device_mipi_csis1;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-30 20:27:09 +0000