[PATCH] ARM: 2802/1: OMAP update 8/11: Update OMAP arch files
[linux-2.6.git] / arch / arm / mach-omap1 / board-perseus2.c
1 /*
2  * linux/arch/arm/mach-omap1/board-perseus2.c
3  *
4  * Modified from board-generic.c
5  *
6  * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7  * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/device.h>
17 #include <linux/delay.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/partitions.h>
20
21 #include <asm/hardware.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/flash.h>
25 #include <asm/mach/map.h>
26
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/mux.h>
29 #include <asm/arch/fpga.h>
30 #include <asm/arch/common.h>
31
32 static struct resource smc91x_resources[] = {
33         [0] = {
34                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
35                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
36                 .flags  = IORESOURCE_MEM,
37         },
38         [1] = {
39                 .start  = INT_730_MPU_EXT_NIRQ,
40                 .end    = 0,
41                 .flags  = IORESOURCE_IRQ,
42         },
43 };
44
45 static int __initdata p2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 0};
46
47 static struct mtd_partition p2_partitions[] = {
48         /* bootloader (U-Boot, etc) in first sector */
49         {
50               .name             = "bootloader",
51               .offset           = 0,
52               .size             = SZ_128K,
53               .mask_flags       = MTD_WRITEABLE, /* force read-only */
54         },
55         /* bootloader params in the next sector */
56         {
57               .name             = "params",
58               .offset           = MTDPART_OFS_APPEND,
59               .size             = SZ_128K,
60               .mask_flags       = 0,
61         },
62         /* kernel */
63         {
64               .name             = "kernel",
65               .offset           = MTDPART_OFS_APPEND,
66               .size             = SZ_2M,
67               .mask_flags       = 0
68         },
69         /* rest of flash is a file system */
70         {
71               .name             = "rootfs",
72               .offset           = MTDPART_OFS_APPEND,
73               .size             = MTDPART_SIZ_FULL,
74               .mask_flags       = 0
75         },
76 };
77
78 static struct flash_platform_data p2_flash_data = {
79         .map_name       = "cfi_probe",
80         .width          = 2,
81         .parts          = p2_partitions,
82         .nr_parts       = ARRAY_SIZE(p2_partitions),
83 };
84
85 static struct resource p2_flash_resource = {
86         .start          = OMAP_FLASH_0_START,
87         .end            = OMAP_FLASH_0_START + OMAP_FLASH_0_SIZE - 1,
88         .flags          = IORESOURCE_MEM,
89 };
90
91 static struct platform_device p2_flash_device = {
92         .name           = "omapflash",
93         .id             = 0,
94         .dev            = {
95                 .platform_data  = &p2_flash_data,
96         },
97         .num_resources  = 1,
98         .resource       = &p2_flash_resource,
99 };
100
101 static struct platform_device smc91x_device = {
102         .name           = "smc91x",
103         .id             = 0,
104         .num_resources  = ARRAY_SIZE(smc91x_resources),
105         .resource       = smc91x_resources,
106 };
107
108 static struct platform_device *devices[] __initdata = {
109         &p2_flash_device,
110         &smc91x_device,
111 };
112
113 static void __init omap_perseus2_init(void)
114 {
115         (void) platform_add_devices(devices, ARRAY_SIZE(devices));
116 }
117
118 static void __init perseus2_init_smc91x(void)
119 {
120         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
121         mdelay(50);
122         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
123                    H2P2_DBG_FPGA_LAN_RESET);
124         mdelay(50);
125 }
126
127 void omap_perseus2_init_irq(void)
128 {
129         omap_init_irq();
130         omap_gpio_init();
131         perseus2_init_smc91x();
132 }
133
134 /* Only FPGA needs to be mapped here. All others are done with ioremap */
135 static struct map_desc omap_perseus2_io_desc[] __initdata = {
136         {H2P2_DBG_FPGA_BASE, H2P2_DBG_FPGA_START, H2P2_DBG_FPGA_SIZE,
137          MT_DEVICE},
138 };
139
140 static void __init omap_perseus2_map_io(void)
141 {
142         omap_map_common_io();
143         iotable_init(omap_perseus2_io_desc,
144                      ARRAY_SIZE(omap_perseus2_io_desc));
145
146         /* Early, board-dependent init */
147
148         /*
149          * Hold GSM Reset until needed
150          */
151         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
152
153         /*
154          * UARTs -> done automagically by 8250 driver
155          */
156
157         /*
158          * CSx timings, GPIO Mux ... setup
159          */
160
161         /* Flash: CS0 timings setup */
162         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
163         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
164
165         /*
166          * Ethernet support trough the debug board
167          * CS1 timings setup
168          */
169         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
170         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
171
172         /*
173          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
174          * It is used as the Ethernet controller interrupt
175          */
176         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
177         omap_serial_init(p2_serial_ports);
178 }
179
180 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
181         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
182         .phys_ram       = 0x10000000,
183         .phys_io        = 0xfff00000,
184         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
185         .boot_params    = 0x10000100,
186         .map_io         = omap_perseus2_map_io,
187         .init_irq       = omap_perseus2_init_irq,
188         .init_machine   = omap_perseus2_init,
189         .timer          = &omap_timer,
190 MACHINE_END