1 /*
2 * linux/arch/arm/mach-sa1100/cerf.c
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 * Apr-2003 : Removed some old PDA crud [FB]
9 * Oct-2003 : Added uart2 resource [FB]
10 * Jan-2004 : Removed io map for flash [FB]
11 */
12
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/tty.h>
16 #include <linux/platform_device.h>
17 #include <linux/irq.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/partitions.h>
20
21 #include <mach/hardware.h>
22 #include <asm/setup.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/flash.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/serial_sa1100.h>
29
30 #include <mach/cerf.h>
31 #include <mach/mcp.h>
32 #include <mach/irqs.h>
33 #include "generic.h"
34
35 static struct resource cerfuart2_resources[] = {
36 [0] = DEFINE_RES_MEM(0x80030000, SZ_64K),
37 };
38
39 static struct platform_device cerfuart2_device = {
40 .name = "sa11x0-uart",
41 .id = 2,
42 .num_resources = ARRAY_SIZE(cerfuart2_resources),
43 .resource = cerfuart2_resources,
44 };
45
46 static struct platform_device *cerf_devices[] __initdata = {
47 &cerfuart2_device,
48 };
49
50 #ifdef CONFIG_SA1100_CERF_FLASH_32MB
51 # define CERF_FLASH_SIZE 0x02000000
52 #elif defined CONFIG_SA1100_CERF_FLASH_16MB
53 # define CERF_FLASH_SIZE 0x01000000
54 #elif defined CONFIG_SA1100_CERF_FLASH_8MB
55 # define CERF_FLASH_SIZE 0x00800000
56 #else
57 # error "Undefined flash size for CERF"
58 #endif
59
60 static struct mtd_partition cerf_partitions[] = {
61 {
62 .name = "Bootloader",
63 .size = 0x00020000,
64 .offset = 0x00000000,
65 }, {
66 .name = "Params",
67 .size = 0x00040000,
68 .offset = 0x00020000,
69 }, {
70 .name = "Kernel",
71 .size = 0x00100000,
72 .offset = 0x00060000,
73 }, {
74 .name = "Filesystem",
75 .size = CERF_FLASH_SIZE-0x00160000,
76 .offset = 0x00160000,
77 }
78 };
79
80 static struct flash_platform_data cerf_flash_data = {
81 .map_name = "cfi_probe",
82 .parts = cerf_partitions,
83 .nr_parts = ARRAY_SIZE(cerf_partitions),
84 };
85
86 static struct resource cerf_flash_resource =
87 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
88
cerf_init_irq(void)89 static void __init cerf_init_irq(void)
90 {
91 sa1100_init_irq();
92 irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING);
93 }
94
95 static struct map_desc cerf_io_desc[] __initdata = {
96 { /* Crystal Ethernet Chip */
97 .virtual = 0xf0000000,
98 .pfn = __phys_to_pfn(0x08000000),
99 .length = 0x00100000,
100 .type = MT_DEVICE
101 }
102 };
103
cerf_map_io(void)104 static void __init cerf_map_io(void)
105 {
106 sa1100_map_io();
107 iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc));
108
109 sa1100_register_uart(0, 3);
110 sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
111 sa1100_register_uart(2, 1);
112
113 /* set some GPDR bits here while it's safe */
114 GPDR |= CERF_GPIO_CF_RESET;
115 }
116
117 static struct mcp_plat_data cerf_mcp_data = {
118 .mccr0 = MCCR0_ADM,
119 .sclk_rate = 11981000,
120 };
121
cerf_init(void)122 static void __init cerf_init(void)
123 {
124 sa11x0_ppc_configure_mcp();
125 platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
126 sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
127 sa11x0_register_mcp(&cerf_mcp_data);
128 }
129
130 MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
131 /* Maintainer: support@intrinsyc.com */
132 .map_io = cerf_map_io,
133 .nr_irqs = SA1100_NR_IRQS,
134 .init_irq = cerf_init_irq,
135 .timer = &sa1100_timer,
136 .init_machine = cerf_init,
137 .restart = sa11x0_restart,
138 MACHINE_END
139