aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos4/dev-sysmmu.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/arm/mach-exynos4/dev-sysmmu.c (renamed from arch/arm/mach-s5pv310/dev-sysmmu.c)121
1 files changed, 83 insertions, 38 deletions
diff --git a/arch/arm/mach-s5pv310/dev-sysmmu.c b/arch/arm/mach-exynos4/dev-sysmmu.c
index e1bb200ac0f0..3b7cae0fe23e 100644
--- a/arch/arm/mach-s5pv310/dev-sysmmu.c
+++ b/arch/arm/mach-exynos4/dev-sysmmu.c
@@ -1,8 +1,10 @@
-/* linux/arch/arm/mach-s5pv310/dev-sysmmu.c
+/* linux/arch/arm/mach-exynos4/dev-sysmmu.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
+ * EXYNOS4 - System MMU support
+ *
* 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.
@@ -13,11 +15,33 @@
#include <mach/map.h>
#include <mach/irqs.h>
+#include <mach/sysmmu.h>
+#include <plat/s5p-clock.h>
+
+/* These names must be equal to the clock names in mach-exynos4/clock.c */
+const char *sysmmu_ips_name[EXYNOS4_SYSMMU_TOTAL_IPNUM] = {
+ "SYSMMU_MDMA" ,
+ "SYSMMU_SSS" ,
+ "SYSMMU_FIMC0" ,
+ "SYSMMU_FIMC1" ,
+ "SYSMMU_FIMC2" ,
+ "SYSMMU_FIMC3" ,
+ "SYSMMU_JPEG" ,
+ "SYSMMU_FIMD0" ,
+ "SYSMMU_FIMD1" ,
+ "SYSMMU_PCIe" ,
+ "SYSMMU_G2D" ,
+ "SYSMMU_ROTATOR",
+ "SYSMMU_MDMA2" ,
+ "SYSMMU_TV" ,
+ "SYSMMU_MFC_L" ,
+ "SYSMMU_MFC_R" ,
+};
-static struct resource s5pv310_sysmmu_resource[] = {
+static struct resource exynos4_sysmmu_resource[] = {
[0] = {
- .start = S5PV310_PA_SYSMMU_MDMA,
- .end = S5PV310_PA_SYSMMU_MDMA + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_MDMA,
+ .end = EXYNOS4_PA_SYSMMU_MDMA + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
@@ -26,8 +50,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[2] = {
- .start = S5PV310_PA_SYSMMU_SSS,
- .end = S5PV310_PA_SYSMMU_SSS + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_SSS,
+ .end = EXYNOS4_PA_SYSMMU_SSS + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[3] = {
@@ -36,8 +60,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[4] = {
- .start = S5PV310_PA_SYSMMU_FIMC0,
- .end = S5PV310_PA_SYSMMU_FIMC0 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMC0,
+ .end = EXYNOS4_PA_SYSMMU_FIMC0 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[5] = {
@@ -46,8 +70,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[6] = {
- .start = S5PV310_PA_SYSMMU_FIMC1,
- .end = S5PV310_PA_SYSMMU_FIMC1 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMC1,
+ .end = EXYNOS4_PA_SYSMMU_FIMC1 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[7] = {
@@ -56,8 +80,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[8] = {
- .start = S5PV310_PA_SYSMMU_FIMC2,
- .end = S5PV310_PA_SYSMMU_FIMC2 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMC2,
+ .end = EXYNOS4_PA_SYSMMU_FIMC2 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[9] = {
@@ -66,8 +90,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[10] = {
- .start = S5PV310_PA_SYSMMU_FIMC3,
- .end = S5PV310_PA_SYSMMU_FIMC3 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMC3,
+ .end = EXYNOS4_PA_SYSMMU_FIMC3 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[11] = {
@@ -76,8 +100,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[12] = {
- .start = S5PV310_PA_SYSMMU_JPEG,
- .end = S5PV310_PA_SYSMMU_JPEG + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_JPEG,
+ .end = EXYNOS4_PA_SYSMMU_JPEG + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[13] = {
@@ -86,8 +110,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[14] = {
- .start = S5PV310_PA_SYSMMU_FIMD0,
- .end = S5PV310_PA_SYSMMU_FIMD0 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMD0,
+ .end = EXYNOS4_PA_SYSMMU_FIMD0 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[15] = {
@@ -96,8 +120,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[16] = {
- .start = S5PV310_PA_SYSMMU_FIMD1,
- .end = S5PV310_PA_SYSMMU_FIMD1 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_FIMD1,
+ .end = EXYNOS4_PA_SYSMMU_FIMD1 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[17] = {
@@ -106,8 +130,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[18] = {
- .start = S5PV310_PA_SYSMMU_PCIe,
- .end = S5PV310_PA_SYSMMU_PCIe + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_PCIe,
+ .end = EXYNOS4_PA_SYSMMU_PCIe + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[19] = {
@@ -116,8 +140,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[20] = {
- .start = S5PV310_PA_SYSMMU_G2D,
- .end = S5PV310_PA_SYSMMU_G2D + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_G2D,
+ .end = EXYNOS4_PA_SYSMMU_G2D + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[21] = {
@@ -126,8 +150,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[22] = {
- .start = S5PV310_PA_SYSMMU_ROTATOR,
- .end = S5PV310_PA_SYSMMU_ROTATOR + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_ROTATOR,
+ .end = EXYNOS4_PA_SYSMMU_ROTATOR + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[23] = {
@@ -136,8 +160,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[24] = {
- .start = S5PV310_PA_SYSMMU_MDMA2,
- .end = S5PV310_PA_SYSMMU_MDMA2 + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_MDMA2,
+ .end = EXYNOS4_PA_SYSMMU_MDMA2 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[25] = {
@@ -146,8 +170,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[26] = {
- .start = S5PV310_PA_SYSMMU_TV,
- .end = S5PV310_PA_SYSMMU_TV + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_TV,
+ .end = EXYNOS4_PA_SYSMMU_TV + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[27] = {
@@ -156,8 +180,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[28] = {
- .start = S5PV310_PA_SYSMMU_MFC_L,
- .end = S5PV310_PA_SYSMMU_MFC_L + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_MFC_L,
+ .end = EXYNOS4_PA_SYSMMU_MFC_L + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[29] = {
@@ -166,8 +190,8 @@ static struct resource s5pv310_sysmmu_resource[] = {
.flags = IORESOURCE_IRQ,
},
[30] = {
- .start = S5PV310_PA_SYSMMU_MFC_R,
- .end = S5PV310_PA_SYSMMU_MFC_R + SZ_64K - 1,
+ .start = EXYNOS4_PA_SYSMMU_MFC_R,
+ .end = EXYNOS4_PA_SYSMMU_MFC_R + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[31] = {
@@ -177,11 +201,32 @@ static struct resource s5pv310_sysmmu_resource[] = {
},
};
-struct platform_device s5pv310_device_sysmmu = {
+struct platform_device exynos4_device_sysmmu = {
.name = "s5p-sysmmu",
.id = 32,
- .num_resources = ARRAY_SIZE(s5pv310_sysmmu_resource),
- .resource = s5pv310_sysmmu_resource,
+ .num_resources = ARRAY_SIZE(exynos4_sysmmu_resource),
+ .resource = exynos4_sysmmu_resource,
};
+EXPORT_SYMBOL(exynos4_device_sysmmu);
+
+static struct clk *sysmmu_clk[S5P_SYSMMU_TOTAL_IPNUM];
+void sysmmu_clk_init(struct device *dev, sysmmu_ips ips)
+{
+ sysmmu_clk[ips] = clk_get(dev, sysmmu_ips_name[ips]);
+ if (IS_ERR(sysmmu_clk[ips]))
+ sysmmu_clk[ips] = NULL;
+ else
+ clk_put(sysmmu_clk[ips]);
+}
+
+void sysmmu_clk_enable(sysmmu_ips ips)
+{
+ if (sysmmu_clk[ips])
+ clk_enable(sysmmu_clk[ips]);
+}
-EXPORT_SYMBOL(s5pv310_device_sysmmu);
+void sysmmu_clk_disable(sysmmu_ips ips)
+{
+ if (sysmmu_clk[ips])
+ clk_disable(sysmmu_clk[ips]);
+}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.