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authorKukjin Kim <kgene.kim@samsung.com>2010-09-08 06:25:44 -0400
committerKukjin Kim <kgene.kim@samsung.com>2010-10-18 05:33:03 -0400
commitf1fee5824cc2f145c2d926939ff88250245a7ac9 (patch)
tree5ae1425e57bc5f8d2b84945ea04173e2c0cfd379
parente661faa488450786e295ac9b40e89abce8141e92 (diff)
ARM: S5P64X0: Move DMA support for S5P64X0
This patch moves DMA support files in the mach-s5p64x0 for S5P6440 and S5P6450 SoCs. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Jassi Brar <jassi.brar@samsung.com>
-rw-r--r--arch/arm/mach-s5p64x0/dma.c (renamed from arch/arm/mach-s5p6440/dma.c)86
-rw-r--r--arch/arm/mach-s5p64x0/include/mach/dma.h (renamed from arch/arm/mach-s5p6440/include/mach/dma.h)0
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h20
3 files changed, 85 insertions, 21 deletions
diff --git a/arch/arm/mach-s5p6440/dma.c b/arch/arm/mach-s5p64x0/dma.c
index 07606ad57519..29a8c2410049 100644
--- a/arch/arm/mach-s5p6440/dma.c
+++ b/arch/arm/mach-s5p64x0/dma.c
@@ -1,4 +1,8 @@
1/* 1/* linux/arch/arm/mach-s5p64x0/dma.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
2 * Copyright (C) 2010 Samsung Electronics Co. Ltd. 6 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
3 * Jaswinder Singh <jassi.brar@samsung.com> 7 * Jaswinder Singh <jassi.brar@samsung.com>
4 * 8 *
@@ -15,26 +19,25 @@
15 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */ 22*/
19 23
20#include <linux/platform_device.h> 24#include <linux/platform_device.h>
21#include <linux/dma-mapping.h> 25#include <linux/dma-mapping.h>
22 26
23#include <plat/devs.h>
24#include <plat/irqs.h>
25
26#include <mach/map.h> 27#include <mach/map.h>
27#include <mach/irqs.h> 28#include <mach/irqs.h>
29#include <mach/regs-clock.h>
28 30
31#include <plat/devs.h>
29#include <plat/s3c-pl330-pdata.h> 32#include <plat/s3c-pl330-pdata.h>
30 33
31static u64 dma_dmamask = DMA_BIT_MASK(32); 34static u64 dma_dmamask = DMA_BIT_MASK(32);
32 35
33static struct resource s5p6440_pdma_resource[] = { 36static struct resource s5p64x0_pdma_resource[] = {
34 [0] = { 37 [0] = {
35 .start = S5P6440_PA_PDMA, 38 .start = S5P64X0_PA_PDMA,
36 .end = S5P6440_PA_PDMA + SZ_4K, 39 .end = S5P64X0_PA_PDMA + SZ_4K,
37 .flags = IORESOURCE_MEM, 40 .flags = IORESOURCE_MEM,
38 }, 41 },
39 [1] = { 42 [1] = {
40 .start = IRQ_DMA0, 43 .start = IRQ_DMA0,
@@ -80,26 +83,67 @@ static struct s3c_pl330_platdata s5p6440_pdma_pdata = {
80 }, 83 },
81}; 84};
82 85
83static struct platform_device s5p6440_device_pdma = { 86static struct s3c_pl330_platdata s5p6450_pdma_pdata = {
87 .peri = {
88 [0] = DMACH_UART0_RX,
89 [1] = DMACH_UART0_TX,
90 [2] = DMACH_UART1_RX,
91 [3] = DMACH_UART1_TX,
92 [4] = DMACH_UART2_RX,
93 [5] = DMACH_UART2_TX,
94 [6] = DMACH_UART3_RX,
95 [7] = DMACH_UART3_TX,
96 [8] = DMACH_UART4_RX,
97 [9] = DMACH_UART4_TX,
98 [10] = DMACH_PCM0_TX,
99 [11] = DMACH_PCM0_RX,
100 [12] = DMACH_I2S0_TX,
101 [13] = DMACH_I2S0_RX,
102 [14] = DMACH_SPI0_TX,
103 [15] = DMACH_SPI0_RX,
104 [16] = DMACH_PCM1_TX,
105 [17] = DMACH_PCM1_RX,
106 [18] = DMACH_PCM2_TX,
107 [19] = DMACH_PCM2_RX,
108 [20] = DMACH_SPI1_TX,
109 [21] = DMACH_SPI1_RX,
110 [22] = DMACH_USI_TX,
111 [23] = DMACH_USI_RX,
112 [24] = DMACH_MAX,
113 [25] = DMACH_I2S1_TX,
114 [26] = DMACH_I2S1_RX,
115 [27] = DMACH_I2S2_TX,
116 [28] = DMACH_I2S2_RX,
117 [29] = DMACH_PWM,
118 [30] = DMACH_UART5_RX,
119 [31] = DMACH_UART5_TX,
120 },
121};
122
123static struct platform_device s5p64x0_device_pdma = {
84 .name = "s3c-pl330", 124 .name = "s3c-pl330",
85 .id = 1, 125 .id = 0,
86 .num_resources = ARRAY_SIZE(s5p6440_pdma_resource), 126 .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource),
87 .resource = s5p6440_pdma_resource, 127 .resource = s5p64x0_pdma_resource,
88 .dev = { 128 .dev = {
89 .dma_mask = &dma_dmamask, 129 .dma_mask = &dma_dmamask,
90 .coherent_dma_mask = DMA_BIT_MASK(32), 130 .coherent_dma_mask = DMA_BIT_MASK(32),
91 .platform_data = &s5p6440_pdma_pdata,
92 }, 131 },
93}; 132};
94 133
95static struct platform_device *s5p6440_dmacs[] __initdata = { 134static int __init s5p64x0_dma_init(void)
96 &s5p6440_device_pdma,
97};
98
99static int __init s5p6440_dma_init(void)
100{ 135{
101 platform_add_devices(s5p6440_dmacs, ARRAY_SIZE(s5p6440_dmacs)); 136 unsigned int id;
137
138 id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
139
140 if (id == 0x50000)
141 s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
142 else
143 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
144
145 platform_device_register(&s5p64x0_device_pdma);
102 146
103 return 0; 147 return 0;
104} 148}
105arch_initcall(s5p6440_dma_init); 149arch_initcall(s5p64x0_dma_init);
diff --git a/arch/arm/mach-s5p6440/include/mach/dma.h b/arch/arm/mach-s5p64x0/include/mach/dma.h
index 81209eb1409b..81209eb1409b 100644
--- a/arch/arm/mach-s5p6440/include/mach/dma.h
+++ b/arch/arm/mach-s5p64x0/include/mach/dma.h
diff --git a/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h b/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h
index 5fe6721b57f7..810744213120 100644
--- a/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h
+++ b/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h
@@ -32,6 +32,12 @@ enum dma_ch {
32 DMACH_UART2_TX, 32 DMACH_UART2_TX,
33 DMACH_UART3_RX, 33 DMACH_UART3_RX,
34 DMACH_UART3_TX, 34 DMACH_UART3_TX,
35 DMACH_UART4_RX,
36 DMACH_UART4_TX,
37 DMACH_UART5_RX,
38 DMACH_UART5_TX,
39 DMACH_USI_RX,
40 DMACH_USI_TX,
35 DMACH_IRDA, 41 DMACH_IRDA,
36 DMACH_I2S0_RX, 42 DMACH_I2S0_RX,
37 DMACH_I2S0_TX, 43 DMACH_I2S0_TX,
@@ -64,6 +70,20 @@ enum dma_ch {
64 DMACH_MSM_REQ2, 70 DMACH_MSM_REQ2,
65 DMACH_MSM_REQ1, 71 DMACH_MSM_REQ1,
66 DMACH_MSM_REQ0, 72 DMACH_MSM_REQ0,
73 DMACH_SLIMBUS0_RX,
74 DMACH_SLIMBUS0_TX,
75 DMACH_SLIMBUS0AUX_RX,
76 DMACH_SLIMBUS0AUX_TX,
77 DMACH_SLIMBUS1_RX,
78 DMACH_SLIMBUS1_TX,
79 DMACH_SLIMBUS2_RX,
80 DMACH_SLIMBUS2_TX,
81 DMACH_SLIMBUS3_RX,
82 DMACH_SLIMBUS3_TX,
83 DMACH_SLIMBUS4_RX,
84 DMACH_SLIMBUS4_TX,
85 DMACH_SLIMBUS5_RX,
86 DMACH_SLIMBUS5_TX,
67 /* END Marker, also used to denote a reserved channel */ 87 /* END Marker, also used to denote a reserved channel */
68 DMACH_MAX, 88 DMACH_MAX,
69}; 89};