diff options
author | Hans J. Koch <hjk@linutronix.de> | 2010-09-17 12:20:11 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2010-09-17 15:55:09 -0400 |
commit | 026cec6164901372c3a16b430cd405f0bb6a7c1f (patch) | |
tree | 5ebd65513fea849b47aaf31c58096fd284002f36 /arch/arm/mach-tcc8k/devices.c | |
parent | 8a41fa3b3c89e5bd3c69219ddeee268bdcce886c (diff) |
ARM: Add common platform devices for TCC8xxx SoCs
This patch introduces a first set of platform devices for integrated
peripherals of TCC8xxx processors. Drivers for these devices are
available and will be posted in a second step.
Signed-off-by: "Hans J. Koch" <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-tcc8k/devices.c')
-rw-r--r-- | arch/arm/mach-tcc8k/devices.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/arch/arm/mach-tcc8k/devices.c b/arch/arm/mach-tcc8k/devices.c new file mode 100644 index 000000000000..6722ad7c2836 --- /dev/null +++ b/arch/arm/mach-tcc8k/devices.c | |||
@@ -0,0 +1,239 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-tcc8k/devices.c | ||
3 | * | ||
4 | * Copyright (C) Telechips, Inc. | ||
5 | * Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de> | ||
6 | * | ||
7 | * Licensed under the terms of GPL v2. | ||
8 | * | ||
9 | */ | ||
10 | |||
11 | #include <linux/dma-mapping.h> | ||
12 | #include <linux/init.h> | ||
13 | #include <linux/io.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/module.h> | ||
16 | |||
17 | #include <asm/mach/map.h> | ||
18 | |||
19 | #include <mach/tcc8k-regs.h> | ||
20 | #include <mach/irqs.h> | ||
21 | |||
22 | #include "common.h" | ||
23 | |||
24 | static u64 tcc8k_dmamask = DMA_BIT_MASK(32); | ||
25 | |||
26 | #ifdef CONFIG_MTD_NAND_TCC | ||
27 | /* NAND controller */ | ||
28 | static struct resource tcc_nand_resources[] = { | ||
29 | { | ||
30 | .start = (resource_size_t)NFC_BASE, | ||
31 | .end = (resource_size_t)NFC_BASE + 0x7f, | ||
32 | .flags = IORESOURCE_MEM, | ||
33 | }, { | ||
34 | .start = INT_NFC, | ||
35 | .end = INT_NFC, | ||
36 | .flags = IORESOURCE_IRQ, | ||
37 | }, | ||
38 | }; | ||
39 | |||
40 | struct platform_device tcc_nand_device = { | ||
41 | .name = "tcc_nand", | ||
42 | .id = 0, | ||
43 | .num_resources = ARRAY_SIZE(tcc_nand_resources), | ||
44 | .resource = tcc_nand_resources, | ||
45 | }; | ||
46 | #endif | ||
47 | |||
48 | #ifdef CONFIG_MMC_TCC8K | ||
49 | /* MMC controller */ | ||
50 | static struct resource tcc8k_mmc0_resource[] = { | ||
51 | { | ||
52 | .start = INT_SD0, | ||
53 | .end = INT_SD0, | ||
54 | .flags = IORESOURCE_IRQ, | ||
55 | }, | ||
56 | }; | ||
57 | |||
58 | static struct resource tcc8k_mmc1_resource[] = { | ||
59 | { | ||
60 | .start = INT_SD1, | ||
61 | .end = INT_SD1, | ||
62 | .flags = IORESOURCE_IRQ, | ||
63 | }, | ||
64 | }; | ||
65 | |||
66 | struct platform_device tcc8k_mmc0_device = { | ||
67 | .name = "tcc-mmc", | ||
68 | .id = 0, | ||
69 | .num_resources = ARRAY_SIZE(tcc8k_mmc0_resource), | ||
70 | .resource = tcc8k_mmc0_resource, | ||
71 | .dev = { | ||
72 | .dma_mask = &tcc8k_dmamask, | ||
73 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
74 | } | ||
75 | }; | ||
76 | |||
77 | struct platform_device tcc8k_mmc1_device = { | ||
78 | .name = "tcc-mmc", | ||
79 | .id = 1, | ||
80 | .num_resources = ARRAY_SIZE(tcc8k_mmc1_resource), | ||
81 | .resource = tcc8k_mmc1_resource, | ||
82 | .dev = { | ||
83 | .dma_mask = &tcc8k_dmamask, | ||
84 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
85 | } | ||
86 | }; | ||
87 | |||
88 | static inline void tcc8k_init_mmc(void) | ||
89 | { | ||
90 | u32 reg = __raw_readl(GPIOPS_BASE + GPIOPS_FS1_OFFS); | ||
91 | |||
92 | reg |= GPIOPS_FS1_SDH0_BITS | GPIOPS_FS1_SDH1_BITS; | ||
93 | __raw_writel(reg, GPIOPS_BASE + GPIOPS_FS1_OFFS); | ||
94 | |||
95 | platform_device_register(&tcc8k_mmc0_device); | ||
96 | platform_device_register(&tcc8k_mmc1_device); | ||
97 | } | ||
98 | #else | ||
99 | static inline void tcc8k_init_mmc(void) { } | ||
100 | #endif | ||
101 | |||
102 | #ifdef CONFIG_USB_OHCI_HCD | ||
103 | static int tcc8k_ohci_init(struct device *dev) | ||
104 | { | ||
105 | u32 reg; | ||
106 | |||
107 | /* Use GPIO PK19 as VBUS control output */ | ||
108 | reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS0_OFFS); | ||
109 | reg &= ~(1 << 19); | ||
110 | __raw_writel(reg, GPIOPK_BASE + GPIOPK_FS0_OFFS); | ||
111 | reg = __raw_readl(GPIOPK_BASE + GPIOPK_FS1_OFFS); | ||
112 | reg &= ~(1 << 19); | ||
113 | __raw_writel(reg, GPIOPK_BASE + GPIOPK_FS1_OFFS); | ||
114 | |||
115 | reg = __raw_readl(GPIOPK_BASE + GPIOPK_DOE_OFFS); | ||
116 | reg |= (1 << 19); | ||
117 | __raw_writel(reg, GPIOPK_BASE + GPIOPK_DOE_OFFS); | ||
118 | /* Turn on VBUS */ | ||
119 | reg = __raw_readl(GPIOPK_BASE + GPIOPK_DAT_OFFS); | ||
120 | reg |= (1 << 19); | ||
121 | __raw_writel(reg, GPIOPK_BASE + GPIOPK_DAT_OFFS); | ||
122 | |||
123 | return 0; | ||
124 | } | ||
125 | |||
126 | static struct resource tcc8k_ohci0_resources[] = { | ||
127 | [0] = { | ||
128 | .start = (resource_size_t)USBH0_BASE, | ||
129 | .end = (resource_size_t)USBH0_BASE + 0x5c, | ||
130 | .flags = IORESOURCE_MEM, | ||
131 | }, | ||
132 | [1] = { | ||
133 | .start = INT_USBH0, | ||
134 | .end = INT_USBH0, | ||
135 | .flags = IORESOURCE_IRQ, | ||
136 | } | ||
137 | }; | ||
138 | |||
139 | static struct resource tcc8k_ohci1_resources[] = { | ||
140 | [0] = { | ||
141 | .start = (resource_size_t)USBH1_BASE, | ||
142 | .end = (resource_size_t)USBH1_BASE + 0x5c, | ||
143 | .flags = IORESOURCE_MEM, | ||
144 | }, | ||
145 | [1] = { | ||
146 | .start = INT_USBH1, | ||
147 | .end = INT_USBH1, | ||
148 | .flags = IORESOURCE_IRQ, | ||
149 | } | ||
150 | }; | ||
151 | |||
152 | static struct tccohci_platform_data tcc8k_ohci0_platform_data = { | ||
153 | .controller = 0, | ||
154 | .port_mode = PMM_PERPORT_MODE, | ||
155 | .init = tcc8k_ohci_init, | ||
156 | }; | ||
157 | |||
158 | static struct tccohci_platform_data tcc8k_ohci1_platform_data = { | ||
159 | .controller = 1, | ||
160 | .port_mode = PMM_PERPORT_MODE, | ||
161 | .init = tcc8k_ohci_init, | ||
162 | }; | ||
163 | |||
164 | static struct platform_device ohci0_device = { | ||
165 | .name = "tcc-ohci", | ||
166 | .id = 0, | ||
167 | .dev = { | ||
168 | .dma_mask = &tcc8k_dmamask, | ||
169 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
170 | .platform_data = &tcc8k_ohci0_platform_data, | ||
171 | }, | ||
172 | .num_resources = ARRAY_SIZE(tcc8k_ohci0_resources), | ||
173 | .resource = tcc8k_ohci0_resources, | ||
174 | }; | ||
175 | |||
176 | static struct platform_device ohci1_device = { | ||
177 | .name = "tcc-ohci", | ||
178 | .id = 1, | ||
179 | .dev = { | ||
180 | .dma_mask = &tcc8k_dmamask, | ||
181 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
182 | .platform_data = &tcc8k_ohci1_platform_data, | ||
183 | }, | ||
184 | .num_resources = ARRAY_SIZE(tcc8k_ohci1_resources), | ||
185 | .resource = tcc8k_ohci1_resources, | ||
186 | }; | ||
187 | |||
188 | static void __init tcc8k_init_usbhost(void) | ||
189 | { | ||
190 | platform_device_register(&ohci0_device); | ||
191 | platform_device_register(&ohci1_device); | ||
192 | } | ||
193 | #else | ||
194 | static void __init tcc8k_init_usbhost(void) { } | ||
195 | #endif | ||
196 | |||
197 | /* USB device controller*/ | ||
198 | #ifdef CONFIG_USB_GADGET_TCC8K | ||
199 | static struct resource udc_resources[] = { | ||
200 | [0] = { | ||
201 | .start = INT_USBD, | ||
202 | .end = INT_USBD, | ||
203 | .flags = IORESOURCE_IRQ, | ||
204 | }, | ||
205 | [1] = { | ||
206 | .start = INT_UDMA, | ||
207 | .end = INT_UDMA, | ||
208 | .flags = IORESOURCE_IRQ, | ||
209 | }, | ||
210 | }; | ||
211 | |||
212 | static struct platform_device tcc8k_udc_device = { | ||
213 | .name = "tcc-udc", | ||
214 | .id = 0, | ||
215 | .resource = udc_resources, | ||
216 | .num_resources = ARRAY_SIZE(udc_resources), | ||
217 | .dev = { | ||
218 | .dma_mask = &tcc8k_dmamask, | ||
219 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
220 | }, | ||
221 | }; | ||
222 | |||
223 | static void __init tcc8k_init_usb_gadget(void) | ||
224 | { | ||
225 | platform_device_register(&tcc8k_udc_device); | ||
226 | } | ||
227 | #else | ||
228 | static void __init tcc8k_init_usb_gadget(void) { } | ||
229 | #endif /* CONFIG_USB_GADGET_TCC83X */ | ||
230 | |||
231 | static int __init tcc8k_init_devices(void) | ||
232 | { | ||
233 | tcc8k_init_mmc(); | ||
234 | tcc8k_init_usbhost(); | ||
235 | tcc8k_init_usb_gadget(); | ||
236 | return 0; | ||
237 | } | ||
238 | |||
239 | arch_initcall(tcc8k_init_devices); | ||