diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-10-31 12:14:39 -0400 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 18:40:07 -0500 |
commit | a2205cd2cbfb8fb217e6036f08773a09d1b6d75e (patch) | |
tree | 43d4157a5ab1c979fa40e131510aff0c4c86cbb8 /arch/arm/plat-s3c | |
parent | 5cc7fd88fc96072c333184ff359c818665ce2506 (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/Kconfig | 6 | ||||
-rw-r--r-- | arch/arm/plat-s3c/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/plat-s3c/dev-hsmmc1.c | 68 | ||||
-rw-r--r-- | arch/arm/plat-s3c/include/plat/sdhci.h | 14 |
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 | |||
158 | config 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 | ||
23 | obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o | 23 | obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o |
24 | obj-$(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 | |||
25 | static 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 | |||
38 | static u64 s3c_device_hsmmc1_dmamask = 0xffffffffUL; | ||
39 | |||
40 | struct 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 | |||
46 | struct 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 | |||
58 | void 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 | */ |
58 | extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); | 58 | extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); |
59 | extern 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 | ||
64 | extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platata; | 65 | extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata; |
66 | extern 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; | |||
69 | extern char *s3c6410_hsmmc_clksrcs[4]; | 71 | extern char *s3c6410_hsmmc_clksrcs[4]; |
70 | 72 | ||
71 | extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); | 73 | extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w); |
74 | extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w); | ||
75 | |||
72 | extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev, | 76 | extern 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 | |||
88 | static 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 |
84 | static inline void s3c6410_default_sdhci0(void) { } | 95 | static inline void s3c6410_default_sdhci0(void) { } |
96 | static 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 */ |