diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-perseus2.c')
-rw-r--r-- | arch/arm/mach-omap1/board-perseus2.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c new file mode 100644 index 000000000000..0d460522fcaf --- /dev/null +++ b/arch/arm/mach-omap1/board-perseus2.c | |||
@@ -0,0 +1,191 @@ | |||
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 | |||
31 | #include "common.h" | ||
32 | |||
33 | static struct resource smc91x_resources[] = { | ||
34 | [0] = { | ||
35 | .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */ | ||
36 | .end = H2P2_DBG_FPGA_ETHR_START + 0xf, | ||
37 | .flags = IORESOURCE_MEM, | ||
38 | }, | ||
39 | [1] = { | ||
40 | .start = INT_730_MPU_EXT_NIRQ, | ||
41 | .end = 0, | ||
42 | .flags = IORESOURCE_IRQ, | ||
43 | }, | ||
44 | }; | ||
45 | |||
46 | static int __initdata p2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 0}; | ||
47 | |||
48 | static struct mtd_partition p2_partitions[] = { | ||
49 | /* bootloader (U-Boot, etc) in first sector */ | ||
50 | { | ||
51 | .name = "bootloader", | ||
52 | .offset = 0, | ||
53 | .size = SZ_128K, | ||
54 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | ||
55 | }, | ||
56 | /* bootloader params in the next sector */ | ||
57 | { | ||
58 | .name = "params", | ||
59 | .offset = MTDPART_OFS_APPEND, | ||
60 | .size = SZ_128K, | ||
61 | .mask_flags = 0, | ||
62 | }, | ||
63 | /* kernel */ | ||
64 | { | ||
65 | .name = "kernel", | ||
66 | .offset = MTDPART_OFS_APPEND, | ||
67 | .size = SZ_2M, | ||
68 | .mask_flags = 0 | ||
69 | }, | ||
70 | /* rest of flash is a file system */ | ||
71 | { | ||
72 | .name = "rootfs", | ||
73 | .offset = MTDPART_OFS_APPEND, | ||
74 | .size = MTDPART_SIZ_FULL, | ||
75 | .mask_flags = 0 | ||
76 | }, | ||
77 | }; | ||
78 | |||
79 | static struct flash_platform_data p2_flash_data = { | ||
80 | .map_name = "cfi_probe", | ||
81 | .width = 2, | ||
82 | .parts = p2_partitions, | ||
83 | .nr_parts = ARRAY_SIZE(p2_partitions), | ||
84 | }; | ||
85 | |||
86 | static struct resource p2_flash_resource = { | ||
87 | .start = OMAP_FLASH_0_START, | ||
88 | .end = OMAP_FLASH_0_START + OMAP_FLASH_0_SIZE - 1, | ||
89 | .flags = IORESOURCE_MEM, | ||
90 | }; | ||
91 | |||
92 | static struct platform_device p2_flash_device = { | ||
93 | .name = "omapflash", | ||
94 | .id = 0, | ||
95 | .dev = { | ||
96 | .platform_data = &p2_flash_data, | ||
97 | }, | ||
98 | .num_resources = 1, | ||
99 | .resource = &p2_flash_resource, | ||
100 | }; | ||
101 | |||
102 | static struct platform_device smc91x_device = { | ||
103 | .name = "smc91x", | ||
104 | .id = 0, | ||
105 | .num_resources = ARRAY_SIZE(smc91x_resources), | ||
106 | .resource = smc91x_resources, | ||
107 | }; | ||
108 | |||
109 | static struct platform_device *devices[] __initdata = { | ||
110 | &p2_flash_device, | ||
111 | &smc91x_device, | ||
112 | }; | ||
113 | |||
114 | static void __init omap_perseus2_init(void) | ||
115 | { | ||
116 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
117 | } | ||
118 | |||
119 | static void __init perseus2_init_smc91x(void) | ||
120 | { | ||
121 | fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); | ||
122 | mdelay(50); | ||
123 | fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, | ||
124 | H2P2_DBG_FPGA_LAN_RESET); | ||
125 | mdelay(50); | ||
126 | } | ||
127 | |||
128 | void omap_perseus2_init_irq(void) | ||
129 | { | ||
130 | omap_init_irq(); | ||
131 | omap_gpio_init(); | ||
132 | perseus2_init_smc91x(); | ||
133 | } | ||
134 | |||
135 | /* Only FPGA needs to be mapped here. All others are done with ioremap */ | ||
136 | static struct map_desc omap_perseus2_io_desc[] __initdata = { | ||
137 | {H2P2_DBG_FPGA_BASE, H2P2_DBG_FPGA_START, H2P2_DBG_FPGA_SIZE, | ||
138 | MT_DEVICE}, | ||
139 | }; | ||
140 | |||
141 | static void __init omap_perseus2_map_io(void) | ||
142 | { | ||
143 | omap_map_io(); | ||
144 | iotable_init(omap_perseus2_io_desc, | ||
145 | ARRAY_SIZE(omap_perseus2_io_desc)); | ||
146 | |||
147 | /* Early, board-dependent init */ | ||
148 | |||
149 | /* | ||
150 | * Hold GSM Reset until needed | ||
151 | */ | ||
152 | omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL); | ||
153 | |||
154 | /* | ||
155 | * UARTs -> done automagically by 8250 driver | ||
156 | */ | ||
157 | |||
158 | /* | ||
159 | * CSx timings, GPIO Mux ... setup | ||
160 | */ | ||
161 | |||
162 | /* Flash: CS0 timings setup */ | ||
163 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0); | ||
164 | omap_writel(0x00000088, OMAP730_FLASH_ACFG_0); | ||
165 | |||
166 | /* | ||
167 | * Ethernet support trough the debug board | ||
168 | * CS1 timings setup | ||
169 | */ | ||
170 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1); | ||
171 | omap_writel(0x00000000, OMAP730_FLASH_ACFG_1); | ||
172 | |||
173 | /* | ||
174 | * Configure MPU_EXT_NIRQ IO in IO_CONF9 register, | ||
175 | * It is used as the Ethernet controller interrupt | ||
176 | */ | ||
177 | omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9); | ||
178 | omap_serial_init(p2_serial_ports); | ||
179 | } | ||
180 | |||
181 | MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2") | ||
182 | /* Maintainer: Kevin Hilman <kjh@hilman.org> */ | ||
183 | .phys_ram = 0x10000000, | ||
184 | .phys_io = 0xfff00000, | ||
185 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | ||
186 | .boot_params = 0x10000100, | ||
187 | .map_io = omap_perseus2_map_io, | ||
188 | .init_irq = omap_perseus2_init_irq, | ||
189 | .init_machine = omap_perseus2_init, | ||
190 | .timer = &omap_timer, | ||
191 | MACHINE_END | ||