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
 27static 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
 32static 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
 50static 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
 63static 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
 70static 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
 91static 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
112static 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
133static struct platform_device mbox0_device = {
134	.id = 0,
135	.name = "mbox",
136	.resource = mbox0_resources,
137	.num_resources = ARRAY_SIZE(mbox0_resources),
138};
139
140static struct platform_device mbox1_device = {
141	.id = 1,
142	.name = "mbox",
143	.resource = mbox1_resources,
144	.num_resources = ARRAY_SIZE(mbox1_resources),
145};
146
147static struct platform_device mbox2_device = {
148	.id = 2,
149	.name = "mbox",
150	.resource = mbox2_resources,
151	.num_resources = ARRAY_SIZE(mbox2_resources),
152};
153
154static struct platform_device *db5500_platform_devs[] __initdata = {
155	&db5500_pmu_device,
156	&mbox0_device,
157	&mbox1_device,
158	&mbox2_device,
159};
160
161static 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
172static 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
182void __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
196static 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
207static 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
218void __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}