diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/mach-ux500/cpu-db5500.c | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/arm/mach-ux500/cpu-db5500.c')
-rw-r--r-- | arch/arm/mach-ux500/cpu-db5500.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu-db5500.c b/arch/arm/mach-ux500/cpu-db5500.c new file mode 100644 index 00000000000..22705d246fc --- /dev/null +++ b/arch/arm/mach-ux500/cpu-db5500.c | |||
@@ -0,0 +1,227 @@ | |||
1 | /* | ||
2 | * Copyright (C) ST-Ericsson SA 2010 | ||
3 | * | ||
4 | * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson | ||
5 | * License terms: GNU General Public License (GPL) version 2 | ||
6 | */ | ||
7 | |||
8 | #include <linux/platform_device.h> | ||
9 | #include <linux/amba/bus.h> | ||
10 | #include <linux/io.h> | ||
11 | #include <linux/irq.h> | ||
12 | |||
13 | #include <asm/mach/map.h> | ||
14 | #include <asm/pmu.h> | ||
15 | |||
16 | #include <plat/gpio.h> | ||
17 | |||
18 | #include <mach/hardware.h> | ||
19 | #include <mach/devices.h> | ||
20 | #include <mach/setup.h> | ||
21 | #include <mach/irqs.h> | ||
22 | #include <mach/usb.h> | ||
23 | |||
24 | #include "devices-db5500.h" | ||
25 | #include "ste-dma40-db5500.h" | ||
26 | |||
27 | static struct map_desc u5500_uart_io_desc[] __initdata = { | ||
28 | __IO_DEV_DESC(U5500_UART0_BASE, SZ_4K), | ||
29 | __IO_DEV_DESC(U5500_UART2_BASE, SZ_4K), | ||
30 | }; | ||
31 | |||
32 | static struct map_desc u5500_io_desc[] __initdata = { | ||
33 | __IO_DEV_DESC(U5500_GIC_CPU_BASE, SZ_4K), | ||
34 | __IO_DEV_DESC(U5500_GIC_DIST_BASE, SZ_4K), | ||
35 | __IO_DEV_DESC(U5500_L2CC_BASE, SZ_4K), | ||
36 | __IO_DEV_DESC(U5500_TWD_BASE, SZ_4K), | ||
37 | __IO_DEV_DESC(U5500_MTU0_BASE, SZ_4K), | ||
38 | __IO_DEV_DESC(U5500_SCU_BASE, SZ_4K), | ||
39 | __IO_DEV_DESC(U5500_BACKUPRAM0_BASE, SZ_8K), | ||
40 | |||
41 | __IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K), | ||
42 | __IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K), | ||
43 | __IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K), | ||
44 | __IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K), | ||
45 | __IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K), | ||
46 | __IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K), | ||
47 | __IO_DEV_DESC(U5500_PRCMU_TCDM_BASE, SZ_4K), | ||
48 | }; | ||
49 | |||
50 | static struct resource db5500_pmu_resources[] = { | ||
51 | [0] = { | ||
52 | .start = IRQ_DB5500_PMU0, | ||
53 | .end = IRQ_DB5500_PMU0, | ||
54 | .flags = IORESOURCE_IRQ, | ||
55 | }, | ||
56 | [1] = { | ||
57 | .start = IRQ_DB5500_PMU1, | ||
58 | .end = IRQ_DB5500_PMU1, | ||
59 | .flags = IORESOURCE_IRQ, | ||
60 | }, | ||
61 | }; | ||
62 | |||
63 | static struct platform_device db5500_pmu_device = { | ||
64 | .name = "arm-pmu", | ||
65 | .id = ARM_PMU_DEVICE_CPU, | ||
66 | .num_resources = ARRAY_SIZE(db5500_pmu_resources), | ||
67 | .resource = db5500_pmu_resources, | ||
68 | }; | ||
69 | |||
70 | static struct resource mbox0_resources[] = { | ||
71 | { | ||
72 | .name = "mbox_peer", | ||
73 | .start = U5500_MBOX0_PEER_START, | ||
74 | .end = U5500_MBOX0_PEER_END, | ||
75 | .flags = IORESOURCE_MEM, | ||
76 | }, | ||
77 | { | ||
78 | .name = "mbox_local", | ||
79 | .start = U5500_MBOX0_LOCAL_START, | ||
80 | .end = U5500_MBOX0_LOCAL_END, | ||
81 | .flags = IORESOURCE_MEM, | ||
82 | }, | ||
83 | { | ||
84 | .name = "mbox_irq", | ||
85 | .start = MBOX_PAIR0_VIRT_IRQ, | ||
86 | .end = MBOX_PAIR0_VIRT_IRQ, | ||
87 | .flags = IORESOURCE_IRQ, | ||
88 | } | ||
89 | }; | ||
90 | |||
91 | static struct resource mbox1_resources[] = { | ||
92 | { | ||
93 | .name = "mbox_peer", | ||
94 | .start = U5500_MBOX1_PEER_START, | ||
95 | .end = U5500_MBOX1_PEER_END, | ||
96 | .flags = IORESOURCE_MEM, | ||
97 | }, | ||
98 | { | ||
99 | .name = "mbox_local", | ||
100 | .start = U5500_MBOX1_LOCAL_START, | ||
101 | .end = U5500_MBOX1_LOCAL_END, | ||
102 | .flags = IORESOURCE_MEM, | ||
103 | }, | ||
104 | { | ||
105 | .name = "mbox_irq", | ||
106 | .start = MBOX_PAIR1_VIRT_IRQ, | ||
107 | .end = MBOX_PAIR1_VIRT_IRQ, | ||
108 | .flags = IORESOURCE_IRQ, | ||
109 | } | ||
110 | }; | ||
111 | |||
112 | static struct resource mbox2_resources[] = { | ||
113 | { | ||
114 | .name = "mbox_peer", | ||
115 | .start = U5500_MBOX2_PEER_START, | ||
116 | .end = U5500_MBOX2_PEER_END, | ||
117 | .flags = IORESOURCE_MEM, | ||
118 | }, | ||
119 | { | ||
120 | .name = "mbox_local", | ||
121 | .start = U5500_MBOX2_LOCAL_START, | ||
122 | .end = U5500_MBOX2_LOCAL_END, | ||
123 | .flags = IORESOURCE_MEM, | ||
124 | }, | ||
125 | { | ||
126 | .name = "mbox_irq", | ||
127 | .start = MBOX_PAIR2_VIRT_IRQ, | ||
128 | .end = MBOX_PAIR2_VIRT_IRQ, | ||
129 | .flags = IORESOURCE_IRQ, | ||
130 | } | ||
131 | }; | ||
132 | |||
133 | static struct platform_device mbox0_device = { | ||
134 | .id = 0, | ||
135 | .name = "mbox", | ||
136 | .resource = mbox0_resources, | ||
137 | .num_resources = ARRAY_SIZE(mbox0_resources), | ||
138 | }; | ||
139 | |||
140 | static struct platform_device mbox1_device = { | ||
141 | .id = 1, | ||
142 | .name = "mbox", | ||
143 | .resource = mbox1_resources, | ||
144 | .num_resources = ARRAY_SIZE(mbox1_resources), | ||
145 | }; | ||
146 | |||
147 | static struct platform_device mbox2_device = { | ||
148 | .id = 2, | ||
149 | .name = "mbox", | ||
150 | .resource = mbox2_resources, | ||
151 | .num_resources = ARRAY_SIZE(mbox2_resources), | ||
152 | }; | ||
153 | |||
154 | static struct platform_device *db5500_platform_devs[] __initdata = { | ||
155 | &db5500_pmu_device, | ||
156 | &mbox0_device, | ||
157 | &mbox1_device, | ||
158 | &mbox2_device, | ||
159 | }; | ||
160 | |||
161 | static resource_size_t __initdata db5500_gpio_base[] = { | ||
162 | U5500_GPIOBANK0_BASE, | ||
163 | U5500_GPIOBANK1_BASE, | ||
164 | U5500_GPIOBANK2_BASE, | ||
165 | U5500_GPIOBANK3_BASE, | ||
166 | U5500_GPIOBANK4_BASE, | ||
167 | U5500_GPIOBANK5_BASE, | ||
168 | U5500_GPIOBANK6_BASE, | ||
169 | U5500_GPIOBANK7_BASE, | ||
170 | }; | ||
171 | |||
172 | static void __init db5500_add_gpios(void) | ||
173 | { | ||
174 | struct nmk_gpio_platform_data pdata = { | ||
175 | /* No custom data yet */ | ||
176 | }; | ||
177 | |||
178 | dbx500_add_gpios(ARRAY_AND_SIZE(db5500_gpio_base), | ||
179 | IRQ_DB5500_GPIO0, &pdata); | ||
180 | } | ||
181 | |||
182 | void __init u5500_map_io(void) | ||
183 | { | ||
184 | /* | ||
185 | * Map the UARTs early so that the DEBUG_LL stuff continues to work. | ||
186 | */ | ||
187 | iotable_init(u5500_uart_io_desc, ARRAY_SIZE(u5500_uart_io_desc)); | ||
188 | |||
189 | ux500_map_io(); | ||
190 | |||
191 | iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc)); | ||
192 | |||
193 | _PRCMU_BASE = __io_address(U5500_PRCMU_BASE); | ||
194 | } | ||
195 | |||
196 | static int usb_db5500_rx_dma_cfg[] = { | ||
197 | DB5500_DMA_DEV4_USB_OTG_IEP_1_9, | ||
198 | DB5500_DMA_DEV5_USB_OTG_IEP_2_10, | ||
199 | DB5500_DMA_DEV6_USB_OTG_IEP_3_11, | ||
200 | DB5500_DMA_DEV20_USB_OTG_IEP_4_12, | ||
201 | DB5500_DMA_DEV21_USB_OTG_IEP_5_13, | ||
202 | DB5500_DMA_DEV22_USB_OTG_IEP_6_14, | ||
203 | DB5500_DMA_DEV23_USB_OTG_IEP_7_15, | ||
204 | DB5500_DMA_DEV38_USB_OTG_IEP_8 | ||
205 | }; | ||
206 | |||
207 | static int usb_db5500_tx_dma_cfg[] = { | ||
208 | DB5500_DMA_DEV4_USB_OTG_OEP_1_9, | ||
209 | DB5500_DMA_DEV5_USB_OTG_OEP_2_10, | ||
210 | DB5500_DMA_DEV6_USB_OTG_OEP_3_11, | ||
211 | DB5500_DMA_DEV20_USB_OTG_OEP_4_12, | ||
212 | DB5500_DMA_DEV21_USB_OTG_OEP_5_13, | ||
213 | DB5500_DMA_DEV22_USB_OTG_OEP_6_14, | ||
214 | DB5500_DMA_DEV23_USB_OTG_OEP_7_15, | ||
215 | DB5500_DMA_DEV38_USB_OTG_OEP_8 | ||
216 | }; | ||
217 | |||
218 | void __init u5500_init_devices(void) | ||
219 | { | ||
220 | db5500_add_gpios(); | ||
221 | db5500_dma_init(); | ||
222 | db5500_add_rtc(); | ||
223 | db5500_add_usb(usb_db5500_rx_dma_cfg, usb_db5500_tx_dma_cfg); | ||
224 | |||
225 | platform_add_devices(db5500_platform_devs, | ||
226 | ARRAY_SIZE(db5500_platform_devs)); | ||
227 | } | ||