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1da177e4 | 1 | /* |
dbdf9ced | 2 | * linux/arch/arm/mach-omap1/board-perseus2.c |
1da177e4 LT |
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> | |
d052d1be | 16 | #include <linux/platform_device.h> |
1da177e4 LT |
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 | ||
7c38cf02 | 27 | #include <asm/arch/tc.h> |
1da177e4 LT |
28 | #include <asm/arch/gpio.h> |
29 | #include <asm/arch/mux.h> | |
30 | #include <asm/arch/fpga.h> | |
d48af15e | 31 | #include <asm/arch/common.h> |
3179a019 | 32 | #include <asm/arch/board.h> |
1da177e4 LT |
33 | |
34 | static struct resource smc91x_resources[] = { | |
35 | [0] = { | |
36 | .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */ | |
37 | .end = H2P2_DBG_FPGA_ETHR_START + 0xf, | |
38 | .flags = IORESOURCE_MEM, | |
39 | }, | |
40 | [1] = { | |
41 | .start = INT_730_MPU_EXT_NIRQ, | |
42 | .end = 0, | |
43 | .flags = IORESOURCE_IRQ, | |
44 | }, | |
45 | }; | |
46 | ||
1da177e4 LT |
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 = { | |
7c38cf02 TL |
86 | .start = OMAP_CS0_PHYS, |
87 | .end = OMAP_CS0_PHYS + SZ_32M - 1, | |
1da177e4 LT |
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 | ||
3179a019 TL |
113 | static struct omap_uart_config perseus2_uart_config __initdata = { |
114 | .enabled_uarts = ((1 << 0) | (1 << 1)), | |
115 | }; | |
116 | ||
117 | static struct omap_lcd_config perseus2_lcd_config __initdata = { | |
118 | .panel_name = "p2", | |
119 | .ctrl_name = "internal", | |
120 | }; | |
121 | ||
122 | static struct omap_board_config_kernel perseus2_config[] = { | |
123 | { OMAP_TAG_UART, &perseus2_uart_config }, | |
124 | { OMAP_TAG_LCD, &perseus2_lcd_config }, | |
125 | }; | |
126 | ||
1da177e4 LT |
127 | static void __init omap_perseus2_init(void) |
128 | { | |
129 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); | |
3179a019 TL |
130 | |
131 | omap_board_config = perseus2_config; | |
132 | omap_board_config_size = ARRAY_SIZE(perseus2_config); | |
133 | omap_serial_init(); | |
1da177e4 LT |
134 | } |
135 | ||
136 | static void __init perseus2_init_smc91x(void) | |
137 | { | |
138 | fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); | |
139 | mdelay(50); | |
140 | fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, | |
141 | H2P2_DBG_FPGA_LAN_RESET); | |
142 | mdelay(50); | |
143 | } | |
144 | ||
145 | void omap_perseus2_init_irq(void) | |
146 | { | |
147 | omap_init_irq(); | |
148 | omap_gpio_init(); | |
149 | perseus2_init_smc91x(); | |
150 | } | |
1da177e4 LT |
151 | /* Only FPGA needs to be mapped here. All others are done with ioremap */ |
152 | static struct map_desc omap_perseus2_io_desc[] __initdata = { | |
9fe133b1 DS |
153 | { |
154 | .virtual = H2P2_DBG_FPGA_BASE, | |
155 | .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START), | |
156 | .length = H2P2_DBG_FPGA_SIZE, | |
157 | .type = MT_DEVICE | |
158 | } | |
1da177e4 LT |
159 | }; |
160 | ||
161 | static void __init omap_perseus2_map_io(void) | |
162 | { | |
d48af15e | 163 | omap_map_common_io(); |
1da177e4 LT |
164 | iotable_init(omap_perseus2_io_desc, |
165 | ARRAY_SIZE(omap_perseus2_io_desc)); | |
166 | ||
167 | /* Early, board-dependent init */ | |
168 | ||
169 | /* | |
170 | * Hold GSM Reset until needed | |
171 | */ | |
172 | omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL); | |
173 | ||
174 | /* | |
175 | * UARTs -> done automagically by 8250 driver | |
176 | */ | |
177 | ||
178 | /* | |
179 | * CSx timings, GPIO Mux ... setup | |
180 | */ | |
181 | ||
182 | /* Flash: CS0 timings setup */ | |
183 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0); | |
184 | omap_writel(0x00000088, OMAP730_FLASH_ACFG_0); | |
185 | ||
186 | /* | |
187 | * Ethernet support trough the debug board | |
188 | * CS1 timings setup | |
189 | */ | |
190 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1); | |
191 | omap_writel(0x00000000, OMAP730_FLASH_ACFG_1); | |
192 | ||
193 | /* | |
194 | * Configure MPU_EXT_NIRQ IO in IO_CONF9 register, | |
195 | * It is used as the Ethernet controller interrupt | |
196 | */ | |
197 | omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9); | |
1da177e4 LT |
198 | } |
199 | ||
200 | MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2") | |
e9dea0c6 RK |
201 | /* Maintainer: Kevin Hilman <kjh@hilman.org> */ |
202 | .phys_ram = 0x10000000, | |
203 | .phys_io = 0xfff00000, | |
204 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
205 | .boot_params = 0x10000100, | |
206 | .map_io = omap_perseus2_map_io, | |
207 | .init_irq = omap_perseus2_init_irq, | |
208 | .init_machine = omap_perseus2_init, | |
1da177e4 LT |
209 | .timer = &omap_timer, |
210 | MACHINE_END |