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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-sa1100/pleb.c | |
3 | */ | |
4 | ||
5 | #include <linux/init.h> | |
6 | #include <linux/kernel.h> | |
7 | #include <linux/tty.h> | |
8 | #include <linux/ioport.h> | |
d052d1be | 9 | #include <linux/platform_device.h> |
119c641c | 10 | #include <linux/irq.h> |
fced80c7 | 11 | #include <linux/io.h> |
1da177e4 LT |
12 | #include <linux/mtd/partitions.h> |
13 | ||
a09e64fb | 14 | #include <mach/hardware.h> |
1da177e4 LT |
15 | #include <asm/setup.h> |
16 | #include <asm/mach-types.h> | |
17 | ||
18 | #include <asm/mach/arch.h> | |
19 | #include <asm/mach/map.h> | |
20 | #include <asm/mach/flash.h> | |
21 | #include <asm/mach/serial_sa1100.h> | |
a09e64fb | 22 | #include <mach/irqs.h> |
1da177e4 LT |
23 | |
24 | #include "generic.h" | |
25 | ||
26 | ||
27 | /* | |
28 | * Ethernet IRQ mappings | |
29 | */ | |
30 | ||
31 | #define PLEB_ETH0_P (0x20000300) /* Ethernet 0 in PCMCIA0 IO */ | |
32 | #define PLEB_ETH0_V (0xf6000300) | |
33 | ||
34 | #define GPIO_ETH0_IRQ GPIO_GPIO(21) | |
35 | #define GPIO_ETH0_EN GPIO_GPIO(26) | |
36 | ||
37 | #define IRQ_GPIO_ETH0_IRQ IRQ_GPIO21 | |
38 | ||
39 | static struct resource smc91x_resources[] = { | |
40 | [0] = { | |
bda03086 KE |
41 | .start = PLEB_ETH0_P, |
42 | .end = PLEB_ETH0_P | 0x03ffffff, | |
1da177e4 LT |
43 | .flags = IORESOURCE_MEM, |
44 | }, | |
45 | #if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ | |
46 | [1] = { | |
47 | .start = IRQ_GPIO_ETH0_IRQ, | |
48 | .end = IRQ_GPIO_ETH0_IRQ, | |
49 | .flags = IORESOURCE_IRQ, | |
50 | }, | |
51 | #endif | |
52 | }; | |
53 | ||
54 | ||
55 | static struct platform_device smc91x_device = { | |
56 | .name = "smc91x", | |
57 | .id = 0, | |
58 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
59 | .resource = smc91x_resources, | |
60 | }; | |
61 | ||
62 | static struct platform_device *devices[] __initdata = { | |
63 | &smc91x_device, | |
64 | }; | |
65 | ||
66 | ||
67 | /* | |
68 | * Pleb's memory map | |
69 | * has flash memory (typically 4 or 8 meg) selected by | |
70 | * the two SA1100 lowest chip select outputs. | |
71 | */ | |
72 | static struct resource pleb_flash_resources[] = { | |
73 | [0] = { | |
74 | .start = SA1100_CS0_PHYS, | |
75 | .end = SA1100_CS0_PHYS + SZ_8M - 1, | |
76 | .flags = IORESOURCE_MEM, | |
77 | }, | |
78 | [1] = { | |
79 | .start = SA1100_CS1_PHYS, | |
80 | .end = SA1100_CS1_PHYS + SZ_8M - 1, | |
81 | .flags = IORESOURCE_MEM, | |
82 | } | |
83 | }; | |
84 | ||
85 | ||
86 | static struct mtd_partition pleb_partitions[] = { | |
87 | { | |
88 | .name = "blob", | |
bda03086 | 89 | .offset = 0, |
1da177e4 LT |
90 | .size = 0x00020000, |
91 | }, { | |
92 | .name = "kernel", | |
bda03086 | 93 | .offset = MTDPART_OFS_APPEND, |
1da177e4 LT |
94 | .size = 0x000e0000, |
95 | }, { | |
96 | .name = "rootfs", | |
bda03086 | 97 | .offset = MTDPART_OFS_APPEND, |
1da177e4 LT |
98 | .size = 0x00300000, |
99 | } | |
100 | }; | |
101 | ||
102 | ||
103 | static struct flash_platform_data pleb_flash_data = { | |
104 | .map_name = "cfi_probe", | |
105 | .parts = pleb_partitions, | |
106 | .nr_parts = ARRAY_SIZE(pleb_partitions), | |
107 | }; | |
108 | ||
109 | ||
110 | static void __init pleb_init(void) | |
111 | { | |
112 | sa11x0_set_flash_data(&pleb_flash_data, pleb_flash_resources, | |
113 | ARRAY_SIZE(pleb_flash_resources)); | |
114 | ||
115 | ||
116 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
117 | } | |
118 | ||
119 | ||
120 | static void __init pleb_map_io(void) | |
121 | { | |
122 | sa1100_map_io(); | |
123 | ||
124 | sa1100_register_uart(0, 3); | |
93982535 | 125 | sa1100_register_uart(1, 1); |
1da177e4 | 126 | |
93982535 KE |
127 | GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); |
128 | GPDR |= GPIO_UART_TXD; | |
129 | GPDR &= ~GPIO_UART_RXD; | |
130 | PPAR |= PPAR_UPR; | |
1da177e4 LT |
131 | |
132 | /* | |
133 | * Fix expansion memory timing for network card | |
134 | */ | |
135 | MECR = ((2<<10) | (2<<5) | (2<<0)); | |
136 | ||
137 | /* | |
138 | * Enable the SMC ethernet controller | |
139 | */ | |
140 | GPDR |= GPIO_ETH0_EN; /* set to output */ | |
141 | GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ | |
142 | ||
143 | GPDR &= ~GPIO_ETH0_IRQ; | |
144 | ||
6cab4860 | 145 | set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); |
1da177e4 LT |
146 | } |
147 | ||
148 | MACHINE_START(PLEB, "PLEB") | |
e9dea0c6 RK |
149 | .phys_io = 0x80000000, |
150 | .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc, | |
151 | .map_io = pleb_map_io, | |
152 | .init_irq = sa1100_init_irq, | |
1da177e4 LT |
153 | .timer = &sa1100_timer, |
154 | .init_machine = pleb_init, | |
155 | MACHINE_END |