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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[] = { | |
a181099e | 40 | [0] = DEFINE_RES_MEM(PLEB_ETH0_P, 0x04000000), |
1da177e4 | 41 | #if 0 /* Autoprobe instead, to get rising/falling edge characteristic right */ |
a181099e | 42 | [1] = DEFINE_RES_IRQ(IRQ_GPIO_ETH0_IRQ), |
1da177e4 LT |
43 | #endif |
44 | }; | |
45 | ||
46 | ||
47 | static struct platform_device smc91x_device = { | |
48 | .name = "smc91x", | |
49 | .id = 0, | |
50 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
51 | .resource = smc91x_resources, | |
52 | }; | |
53 | ||
54 | static struct platform_device *devices[] __initdata = { | |
55 | &smc91x_device, | |
56 | }; | |
57 | ||
58 | ||
59 | /* | |
60 | * Pleb's memory map | |
61 | * has flash memory (typically 4 or 8 meg) selected by | |
62 | * the two SA1100 lowest chip select outputs. | |
63 | */ | |
64 | static struct resource pleb_flash_resources[] = { | |
a181099e RK |
65 | [0] = DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_8M), |
66 | [1] = DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_8M), | |
1da177e4 LT |
67 | }; |
68 | ||
69 | ||
70 | static struct mtd_partition pleb_partitions[] = { | |
71 | { | |
72 | .name = "blob", | |
bda03086 | 73 | .offset = 0, |
1da177e4 LT |
74 | .size = 0x00020000, |
75 | }, { | |
76 | .name = "kernel", | |
bda03086 | 77 | .offset = MTDPART_OFS_APPEND, |
1da177e4 LT |
78 | .size = 0x000e0000, |
79 | }, { | |
80 | .name = "rootfs", | |
bda03086 | 81 | .offset = MTDPART_OFS_APPEND, |
1da177e4 LT |
82 | .size = 0x00300000, |
83 | } | |
84 | }; | |
85 | ||
86 | ||
87 | static struct flash_platform_data pleb_flash_data = { | |
88 | .map_name = "cfi_probe", | |
89 | .parts = pleb_partitions, | |
90 | .nr_parts = ARRAY_SIZE(pleb_partitions), | |
91 | }; | |
92 | ||
93 | ||
94 | static void __init pleb_init(void) | |
95 | { | |
7a5b4e16 | 96 | sa11x0_register_mtd(&pleb_flash_data, pleb_flash_resources, |
1da177e4 LT |
97 | ARRAY_SIZE(pleb_flash_resources)); |
98 | ||
99 | ||
100 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
101 | } | |
102 | ||
103 | ||
104 | static void __init pleb_map_io(void) | |
105 | { | |
106 | sa1100_map_io(); | |
107 | ||
108 | sa1100_register_uart(0, 3); | |
93982535 | 109 | sa1100_register_uart(1, 1); |
1da177e4 | 110 | |
93982535 KE |
111 | GAFR |= (GPIO_UART_TXD | GPIO_UART_RXD); |
112 | GPDR |= GPIO_UART_TXD; | |
113 | GPDR &= ~GPIO_UART_RXD; | |
114 | PPAR |= PPAR_UPR; | |
1da177e4 LT |
115 | |
116 | /* | |
117 | * Fix expansion memory timing for network card | |
118 | */ | |
119 | MECR = ((2<<10) | (2<<5) | (2<<0)); | |
120 | ||
121 | /* | |
122 | * Enable the SMC ethernet controller | |
123 | */ | |
124 | GPDR |= GPIO_ETH0_EN; /* set to output */ | |
125 | GPCR = GPIO_ETH0_EN; /* clear MCLK (enable smc) */ | |
126 | ||
127 | GPDR &= ~GPIO_ETH0_IRQ; | |
128 | ||
6845664a | 129 | irq_set_irq_type(GPIO_ETH0_IRQ, IRQ_TYPE_EDGE_FALLING); |
1da177e4 LT |
130 | } |
131 | ||
132 | MACHINE_START(PLEB, "PLEB") | |
e9dea0c6 | 133 | .map_io = pleb_map_io, |
f314f33b | 134 | .nr_irqs = SA1100_NR_IRQS, |
e9dea0c6 | 135 | .init_irq = sa1100_init_irq, |
1da177e4 LT |
136 | .timer = &sa1100_timer, |
137 | .init_machine = pleb_init, | |
7fea1ba5 | 138 | .init_late = sa11x0_init_late, |
d9ca5839 | 139 | .restart = sa11x0_restart, |
1da177e4 | 140 | MACHINE_END |