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/arch/arm/mach-ixp4xx/omixp-setup.c

https://github.com/AICP/kernel_google_msm
C | 279 lines | 230 code | 25 blank | 24 comment | 5 complexity | 3f3488416ba9eceaca7b655e6d23b937 MD5 | raw file
  1/*
  2 * arch/arm/mach-ixp4xx/omixp-setup.c
  3 *
  4 * omicron ixp4xx board setup
  5 *      Copyright (C) 2009 OMICRON electronics GmbH
  6 *
  7 * based nslu2-setup.c, ixdp425-setup.c:
  8 *      Copyright (C) 2003-2004 MontaVista Software, Inc.
  9 *
 10 * This program is free software; you can redistribute it and/or modify
 11 * it under the terms of the GNU General Public License version 2 as
 12 * published by the Free Software Foundation.
 13 */
 14
 15#include <linux/kernel.h>
 16#include <linux/serial.h>
 17#include <linux/serial_8250.h>
 18#include <linux/mtd/mtd.h>
 19#include <linux/mtd/partitions.h>
 20#ifdef CONFIG_LEDS_CLASS
 21#include <linux/leds.h>
 22#endif
 23
 24#include <asm/setup.h>
 25#include <asm/memory.h>
 26#include <asm/mach-types.h>
 27#include <asm/mach/arch.h>
 28#include <asm/mach/flash.h>
 29
 30static struct resource omixp_flash_resources[] = {
 31	{
 32		.flags	= IORESOURCE_MEM,
 33	}, {
 34		.flags	= IORESOURCE_MEM,
 35	},
 36};
 37
 38static struct mtd_partition omixp_partitions[] = {
 39	{
 40		.name =		"Recovery Bootloader",
 41		.size =		0x00020000,
 42		.offset =	0,
 43	}, {
 44		.name =		"Calibration Data",
 45		.size =		0x00020000,
 46		.offset =	0x00020000,
 47	}, {
 48		.name =		"Recovery FPGA",
 49		.size =		0x00020000,
 50		.offset =	0x00040000,
 51	}, {
 52		.name =		"Release Bootloader",
 53		.size =		0x00020000,
 54		.offset =	0x00060000,
 55	}, {
 56		.name =		"Release FPGA",
 57		.size =		0x00020000,
 58		.offset =	0x00080000,
 59	}, {
 60		.name =		"Kernel",
 61		.size =		0x00160000,
 62		.offset =	0x000a0000,
 63	}, {
 64		.name =		"Filesystem",
 65		.size =		0x00C00000,
 66		.offset =	0x00200000,
 67	}, {
 68		.name =		"Persistent Storage",
 69		.size =		0x00200000,
 70		.offset =	0x00E00000,
 71	},
 72};
 73
 74static struct flash_platform_data omixp_flash_data[] = {
 75	{
 76		.map_name	= "cfi_probe",
 77		.parts		= omixp_partitions,
 78		.nr_parts	= ARRAY_SIZE(omixp_partitions),
 79	}, {
 80		.map_name	= "cfi_probe",
 81		.parts		= NULL,
 82		.nr_parts	= 0,
 83	},
 84};
 85
 86static struct platform_device omixp_flash_device[] = {
 87	{
 88		.name		= "IXP4XX-Flash",
 89		.id		= 0,
 90		.dev = {
 91			.platform_data = &omixp_flash_data[0],
 92		},
 93		.resource = &omixp_flash_resources[0],
 94		.num_resources = 1,
 95	}, {
 96		.name		= "IXP4XX-Flash",
 97		.id		= 1,
 98		.dev = {
 99			.platform_data = &omixp_flash_data[1],
100		},
101		.resource = &omixp_flash_resources[1],
102		.num_resources = 1,
103	},
104};
105
106/* Swap UART's - These boards have the console on UART2. The following
107 * configuration is used:
108 *      ttyS0 .. UART2
109 *      ttyS1 .. UART1
110 * This way standard images can be used with the kernel that expect
111 * the console on ttyS0.
112 */
113static struct resource omixp_uart_resources[] = {
114	{
115		.start		= IXP4XX_UART2_BASE_PHYS,
116		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
117		.flags		= IORESOURCE_MEM,
118	}, {
119		.start		= IXP4XX_UART1_BASE_PHYS,
120		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
121		.flags		= IORESOURCE_MEM,
122	},
123};
124
125static struct plat_serial8250_port omixp_uart_data[] = {
126	{
127		.mapbase	= IXP4XX_UART2_BASE_PHYS,
128		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
129		.irq		= IRQ_IXP4XX_UART2,
130		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
131		.iotype		= UPIO_MEM,
132		.regshift	= 2,
133		.uartclk	= IXP4XX_UART_XTAL,
134	}, {
135		.mapbase	= IXP4XX_UART1_BASE_PHYS,
136		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
137		.irq		= IRQ_IXP4XX_UART1,
138		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
139		.iotype		= UPIO_MEM,
140		.regshift	= 2,
141		.uartclk	= IXP4XX_UART_XTAL,
142	}, {
143		/* list termination */
144	}
145};
146
147static struct platform_device omixp_uart = {
148	.name			= "serial8250",
149	.id			= PLAT8250_DEV_PLATFORM,
150	.dev.platform_data	= omixp_uart_data,
151	.num_resources		= 2,
152	.resource		= omixp_uart_resources,
153};
154
155static struct gpio_led mic256_led_pins[] = {
156	{
157		.name		= "LED-A",
158		.gpio		= 7,
159	},
160};
161
162static struct gpio_led_platform_data mic256_led_data = {
163	.num_leds		= ARRAY_SIZE(mic256_led_pins),
164	.leds			= mic256_led_pins,
165};
166
167static struct platform_device mic256_leds = {
168	.name			= "leds-gpio",
169	.id			= -1,
170	.dev.platform_data	= &mic256_led_data,
171};
172
173/* Built-in 10/100 Ethernet MAC interfaces */
174static struct eth_plat_info ixdp425_plat_eth[] = {
175	{
176		.phy		= 0,
177		.rxq		= 3,
178		.txreadyq	= 20,
179	}, {
180		.phy		= 1,
181		.rxq		= 4,
182		.txreadyq	= 21,
183	},
184};
185
186static struct platform_device ixdp425_eth[] = {
187	{
188		.name			= "ixp4xx_eth",
189		.id			= IXP4XX_ETH_NPEB,
190		.dev.platform_data	= ixdp425_plat_eth,
191	}, {
192		.name			= "ixp4xx_eth",
193		.id			= IXP4XX_ETH_NPEC,
194		.dev.platform_data	= ixdp425_plat_eth + 1,
195	},
196};
197
198
199static struct platform_device *devixp_pldev[] __initdata = {
200	&omixp_uart,
201	&omixp_flash_device[0],
202	&ixdp425_eth[0],
203	&ixdp425_eth[1],
204};
205
206static struct platform_device *mic256_pldev[] __initdata = {
207	&omixp_uart,
208	&omixp_flash_device[0],
209	&mic256_leds,
210	&ixdp425_eth[0],
211	&ixdp425_eth[1],
212};
213
214static struct platform_device *miccpt_pldev[] __initdata = {
215	&omixp_uart,
216	&omixp_flash_device[0],
217	&omixp_flash_device[1],
218	&ixdp425_eth[0],
219	&ixdp425_eth[1],
220};
221
222static void __init omixp_init(void)
223{
224	ixp4xx_sys_init();
225
226	/* 16MiB Boot Flash */
227	omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);
228	omixp_flash_resources[0].end   = IXP4XX_EXP_BUS_END(0);
229
230	/* 32 MiB Data Flash */
231	omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
232	omixp_flash_resources[1].end   = IXP4XX_EXP_BUS_END(2);
233
234	if (machine_is_devixp())
235		platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));
236	else if (machine_is_miccpt())
237		platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));
238	else if (machine_is_mic256())
239		platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));
240}
241
242#ifdef CONFIG_MACH_DEVIXP
243MACHINE_START(DEVIXP, "Omicron DEVIXP")
244	.atag_offset    = 0x100,
245	.map_io		= ixp4xx_map_io,
246	.init_early	= ixp4xx_init_early,
247	.init_irq	= ixp4xx_init_irq,
248	.timer          = &ixp4xx_timer,
249	.init_machine	= omixp_init,
250	.restart	= ixp4xx_restart,
251MACHINE_END
252#endif
253
254#ifdef CONFIG_MACH_MICCPT
255MACHINE_START(MICCPT, "Omicron MICCPT")
256	.atag_offset    = 0x100,
257	.map_io		= ixp4xx_map_io,
258	.init_early	= ixp4xx_init_early,
259	.init_irq	= ixp4xx_init_irq,
260	.timer          = &ixp4xx_timer,
261	.init_machine	= omixp_init,
262#if defined(CONFIG_PCI)
263	.dma_zone_size	= SZ_64M,
264#endif
265	.restart	= ixp4xx_restart,
266MACHINE_END
267#endif
268
269#ifdef CONFIG_MACH_MIC256
270MACHINE_START(MIC256, "Omicron MIC256")
271	.atag_offset    = 0x100,
272	.map_io		= ixp4xx_map_io,
273	.init_early	= ixp4xx_init_early,
274	.init_irq	= ixp4xx_init_irq,
275	.timer          = &ixp4xx_timer,
276	.init_machine	= omixp_init,
277	.restart	= ixp4xx_restart,
278MACHINE_END
279#endif