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13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/platform_device.h>
16#include <linux/io.h>
17#include <linux/m48t86.h>
18#include <linux/mtd/physmap.h>
19
20#include <mach/hardware.h>
21#include <mach/ts72xx.h>
22
23#include <asm/mach-types.h>
24#include <asm/mach/map.h>
25#include <asm/mach/arch.h>
26
27
28static struct map_desc ts72xx_io_desc[] __initdata = {
29 {
30 .virtual = TS72XX_MODEL_VIRT_BASE,
31 .pfn = __phys_to_pfn(TS72XX_MODEL_PHYS_BASE),
32 .length = TS72XX_MODEL_SIZE,
33 .type = MT_DEVICE,
34 }, {
35 .virtual = TS72XX_OPTIONS_VIRT_BASE,
36 .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE),
37 .length = TS72XX_OPTIONS_SIZE,
38 .type = MT_DEVICE,
39 }, {
40 .virtual = TS72XX_OPTIONS2_VIRT_BASE,
41 .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),
42 .length = TS72XX_OPTIONS2_SIZE,
43 .type = MT_DEVICE,
44 }, {
45 .virtual = TS72XX_RTC_INDEX_VIRT_BASE,
46 .pfn = __phys_to_pfn(TS72XX_RTC_INDEX_PHYS_BASE),
47 .length = TS72XX_RTC_INDEX_SIZE,
48 .type = MT_DEVICE,
49 }, {
50 .virtual = TS72XX_RTC_DATA_VIRT_BASE,
51 .pfn = __phys_to_pfn(TS72XX_RTC_DATA_PHYS_BASE),
52 .length = TS72XX_RTC_DATA_SIZE,
53 .type = MT_DEVICE,
54 }
55};
56
57static struct map_desc ts72xx_nand_io_desc[] __initdata = {
58 {
59 .virtual = TS72XX_NAND_DATA_VIRT_BASE,
60 .pfn = __phys_to_pfn(TS72XX_NAND1_DATA_PHYS_BASE),
61 .length = TS72XX_NAND_DATA_SIZE,
62 .type = MT_DEVICE,
63 }, {
64 .virtual = TS72XX_NAND_CONTROL_VIRT_BASE,
65 .pfn = __phys_to_pfn(TS72XX_NAND1_CONTROL_PHYS_BASE),
66 .length = TS72XX_NAND_CONTROL_SIZE,
67 .type = MT_DEVICE,
68 }, {
69 .virtual = TS72XX_NAND_BUSY_VIRT_BASE,
70 .pfn = __phys_to_pfn(TS72XX_NAND1_BUSY_PHYS_BASE),
71 .length = TS72XX_NAND_BUSY_SIZE,
72 .type = MT_DEVICE,
73 }
74};
75
76static struct map_desc ts72xx_alternate_nand_io_desc[] __initdata = {
77 {
78 .virtual = TS72XX_NAND_DATA_VIRT_BASE,
79 .pfn = __phys_to_pfn(TS72XX_NAND2_DATA_PHYS_BASE),
80 .length = TS72XX_NAND_DATA_SIZE,
81 .type = MT_DEVICE,
82 }, {
83 .virtual = TS72XX_NAND_CONTROL_VIRT_BASE,
84 .pfn = __phys_to_pfn(TS72XX_NAND2_CONTROL_PHYS_BASE),
85 .length = TS72XX_NAND_CONTROL_SIZE,
86 .type = MT_DEVICE,
87 }, {
88 .virtual = TS72XX_NAND_BUSY_VIRT_BASE,
89 .pfn = __phys_to_pfn(TS72XX_NAND2_BUSY_PHYS_BASE),
90 .length = TS72XX_NAND_BUSY_SIZE,
91 .type = MT_DEVICE,
92 }
93};
94
95static void __init ts72xx_map_io(void)
96{
97 ep93xx_map_io();
98 iotable_init(ts72xx_io_desc, ARRAY_SIZE(ts72xx_io_desc));
99
100
101
102
103 if (!board_is_ts7200()) {
104 if (is_ts9420_installed()) {
105 iotable_init(ts72xx_alternate_nand_io_desc,
106 ARRAY_SIZE(ts72xx_alternate_nand_io_desc));
107 } else {
108 iotable_init(ts72xx_nand_io_desc,
109 ARRAY_SIZE(ts72xx_nand_io_desc));
110 }
111 }
112}
113
114
115
116
117static struct physmap_flash_data ts72xx_flash_data = {
118 .width = 2,
119};
120
121static struct resource ts72xx_flash_resource = {
122 .start = EP93XX_CS6_PHYS_BASE,
123 .end = EP93XX_CS6_PHYS_BASE + SZ_16M - 1,
124 .flags = IORESOURCE_MEM,
125};
126
127static struct platform_device ts72xx_flash = {
128 .name = "physmap-flash",
129 .id = 0,
130 .dev = {
131 .platform_data = &ts72xx_flash_data,
132 },
133 .num_resources = 1,
134 .resource = &ts72xx_flash_resource,
135};
136
137static void __init ts72xx_register_flash(void)
138{
139 if (board_is_ts7200())
140 platform_device_register(&ts72xx_flash);
141}
142
143static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
144{
145 __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
146 return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE);
147}
148
149static void ts72xx_rtc_writebyte(unsigned char value, unsigned long addr)
150{
151 __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
152 __raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE);
153}
154
155static struct m48t86_ops ts72xx_rtc_ops = {
156 .readbyte = ts72xx_rtc_readbyte,
157 .writebyte = ts72xx_rtc_writebyte,
158};
159
160static struct platform_device ts72xx_rtc_device = {
161 .name = "rtc-m48t86",
162 .id = -1,
163 .dev = {
164 .platform_data = &ts72xx_rtc_ops,
165 },
166 .num_resources = 0,
167};
168
169static struct ep93xx_eth_data ts72xx_eth_data = {
170 .phy_id = 1,
171};
172
173static void __init ts72xx_init_machine(void)
174{
175 ep93xx_init_devices();
176 ts72xx_register_flash();
177 platform_device_register(&ts72xx_rtc_device);
178
179 ep93xx_register_eth(&ts72xx_eth_data, 1);
180}
181
182MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
183
184 .phys_io = EP93XX_APB_PHYS_BASE,
185 .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
186 .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
187 .map_io = ts72xx_map_io,
188 .init_irq = ep93xx_init_irq,
189 .timer = &ep93xx_timer,
190 .init_machine = ts72xx_init_machine,
191MACHINE_END
192
