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authorBen Dooks <ben-linux@fluff.org>2008-10-31 12:14:39 -0400
committerBen Dooks <ben-linux@fluff.org>2008-12-15 18:40:07 -0500
commita2205cd2cbfb8fb217e6036f08773a09d1b6d75e (patch)
tree43d4157a5ab1c979fa40e131510aff0c4c86cbb8 /arch/arm/plat-s3c
parent5cc7fd88fc96072c333184ff359c818665ce2506 (diff)
[ARM] S3C: Add SDHCI (HSMMC) channel 1 device definition
Add device definition and support code for the Samsung HSMMC channel 1 device. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c')
-rw-r--r--arch/arm/plat-s3c/Kconfig6
-rw-r--r--arch/arm/plat-s3c/Makefile1
-rw-r--r--arch/arm/plat-s3c/dev-hsmmc1.c68
-rw-r--r--arch/arm/plat-s3c/include/plat/sdhci.h14
4 files changed, 88 insertions, 1 deletions
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index 45e62cba595..e6e64968a61 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -154,3 +154,9 @@ config S3C_DEV_HSMMC
154 depends on PLAT_S3C 154 depends on PLAT_S3C
155 help 155 help
156 Compile in platform device definitions for HSMMC code 156 Compile in platform device definitions for HSMMC code
157
158config S3C_DEV_HSMMC1
159 bool
160 depends on PLAT_S3C
161 help
162 Compile in platform device definitions for HSMMC channel 1
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index 68a3451a2d9..3f6544a95fe 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -21,3 +21,4 @@ obj-y += gpio-config.o
21# devices 21# devices
22 22
23obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o 23obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o
24obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o
diff --git a/arch/arm/plat-s3c/dev-hsmmc1.c b/arch/arm/plat-s3c/dev-hsmmc1.c
new file mode 100644
index 00000000000..e49bc4cd0ee
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-hsmmc1.c
@@ -0,0 +1,68 @@
1/* linux/arch/arm/plat-s3c/dev-hsmmc1.c
2 *
3 * Copyright (c) 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/
6 *
7 * S3C series device definition for hsmmc device 1
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/platform_device.h>
16#include <linux/mmc/host.h>
17
18#include <mach/map.h>
19#include <plat/sdhci.h>
20#include <plat/devs.h>
21#include <plat/cpu.h>
22
23#define S3C_SZ_HSMMC (0x1000)
24
25static struct resource s3c_hsmmc1_resource[] = {
26 [0] = {
27 .start = S3C_PA_HSMMC1,
28 .end = S3C_PA_HSMMC1 + S3C_SZ_HSMMC - 1,
29 .flags = IORESOURCE_MEM,
30 },
31 [1] = {
32 .start = IRQ_HSMMC1,
33 .end = IRQ_HSMMC1,
34 .flags = IORESOURCE_IRQ,
35 }
36};
37
38static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL;
39
40struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata = {
41 .max_width = 4,
42 .host_caps = (MMC_CAP_4_BIT_DATA |
43 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
44};
45
46struct platform_device s3c_device_hsmmc1 = {
47 .name = "s3c-sdhci",
48 .id = 1,
49 .num_resources = ARRAY_SIZE(s3c_hsmmc1_resource),
50 .resource = s3c_hsmmc1_resource,
51 .dev = {
52 .dma_mask = &s3c_device_hsmmc1_dmamask,
53 .coherent_dma_mask = 0xffffffffUL,
54 .platform_data = &s3c_hsmmc1_def_platdata,
55 },
56};
57
58void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
59{
60 struct s3c_sdhci_platdata *set = &s3c_hsmmc1_def_platdata;
61
62 set->max_width = pd->max_width;
63
64 if (pd->cfg_gpio)
65 set->cfg_gpio = pd->cfg_gpio;
66 if (pd->cfg_card)
67 set->cfg_card = pd->cfg_card;
68}
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h
index c9999121b4b..5aeebeb70dc 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-s3c/include/plat/sdhci.h
@@ -56,12 +56,14 @@ struct s3c_sdhci_platdata {
56 * make the structure itself __initdata. 56 * make the structure itself __initdata.
57 */ 57 */
58extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); 58extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd);
59extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd);
59 60
60/* Default platform data, exported so that per-cpu initialisation can 61/* Default platform data, exported so that per-cpu initialisation can
61 * set the correct one when there are more than one cpu type selected. 62 * set the correct one when there are more than one cpu type selected.
62*/ 63*/
63 64
64extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata; 65extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata;
66extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata;
65 67
66/* Helper function availablity */ 68/* Helper function availablity */
67 69
@@ -69,6 +71,8 @@ extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata;
69extern char *s3c6410_hsmmc_clksrcs[4]; 71extern char *s3c6410_hsmmc_clksrcs[4];
70 72
71extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); 73extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
74extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
75
72extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, 76extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
73 void __iomem *r, 77 void __iomem *r,
74 struct mmc_ios *ios, 78 struct mmc_ios *ios,
@@ -80,8 +84,16 @@ static inline void s3c6410_default_sdhci0(void)
80 s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio; 84 s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
81 s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; 85 s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
82} 86}
87
88static inline void s3c6410_default_sdhci1(void)
89{
90 s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
91 s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
92 s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
93}
83#else 94#else
84static inline void s3c6410_default_sdhci0(void) { } 95static inline void s3c6410_default_sdhci0(void) { }
96static inline void s3c6410_default_sdhci1(void) { }
85#endif /* CONFIG_S3C6410_SETUP_SDHCI */ 97#endif /* CONFIG_S3C6410_SETUP_SDHCI */
86 98
87#endif /* __PLAT_S3C_SDHCI_H */ 99#endif /* __PLAT_S3C_SDHCI_H */