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026cec61 HK |
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); |