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21#include <linux/gpio.h>
22#include <linux/init.h>
23#include <linux/platform_device.h>
24#include <linux/serial_8250.h>
25#include <linux/smsc911x.h>
26#include <linux/types.h>
27#include <linux/regulator/machine.h>
28#include <linux/regulator/fixed.h>
29
30#include <asm/irq.h>
31#include <asm/mach-types.h>
32#include <asm/memory.h>
33#include <asm/setup.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/irq.h>
36#include <asm/mach/map.h>
37#include <asm/mach/time.h>
38
39#include <mach/common.h>
40#include <mach/hardware.h>
41#include <mach/iomux-mx3.h>
42
43#include "devices-imx31.h"
44
45#define KZM_ARM11_IO_ADDRESS(x) (IOMEM( \
46 IMX_IO_P2V_MODULE(x, MX31_CS4) ?: \
47 IMX_IO_P2V_MODULE(x, MX31_CS5)) ?: \
48 MX31_IO_ADDRESS(x))
49
50
51
52
53#define KZM_ARM11_CTL1 (MX31_CS4_BASE_ADDR + 0x1000)
54#define KZM_ARM11_CTL2 (MX31_CS4_BASE_ADDR + 0x1001)
55#define KZM_ARM11_RSW1 (MX31_CS4_BASE_ADDR + 0x1002)
56#define KZM_ARM11_BACK_LIGHT (MX31_CS4_BASE_ADDR + 0x1004)
57#define KZM_ARM11_FPGA_REV (MX31_CS4_BASE_ADDR + 0x1008)
58#define KZM_ARM11_7SEG_LED (MX31_CS4_BASE_ADDR + 0x1010)
59#define KZM_ARM11_LEDS (MX31_CS4_BASE_ADDR + 0x1020)
60#define KZM_ARM11_DIPSW2 (MX31_CS4_BASE_ADDR + 0x1003)
61
62
63
64
65#define KZM_ARM11_16550 (MX31_CS4_BASE_ADDR + 0x1050)
66
67#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
68
69
70
71static struct plat_serial8250_port serial_platform_data[] = {
72 {
73 .membase = KZM_ARM11_IO_ADDRESS(KZM_ARM11_16550),
74 .mapbase = KZM_ARM11_16550,
75
76 .irqflags = IRQ_TYPE_EDGE_RISING,
77 .uartclk = 14745600,
78 .regshift = 0,
79 .iotype = UPIO_MEM,
80 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
81 UPF_BUGGY_UART,
82 },
83 {},
84};
85
86static struct resource serial8250_resources[] = {
87 {
88 .start = KZM_ARM11_16550,
89 .end = KZM_ARM11_16550 + 0x10,
90 .flags = IORESOURCE_MEM,
91 },
92 {
93
94 .flags = IORESOURCE_IRQ,
95 },
96};
97
98static struct platform_device serial_device = {
99 .name = "serial8250",
100 .id = PLAT8250_DEV_PLATFORM,
101 .dev = {
102 .platform_data = serial_platform_data,
103 },
104 .num_resources = ARRAY_SIZE(serial8250_resources),
105 .resource = serial8250_resources,
106};
107
108static int __init kzm_init_ext_uart(void)
109{
110 u8 tmp;
111
112
113
114
115 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO));
116 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "ext-uart-int");
117 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
118
119
120
121
122 tmp = __raw_readb(KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
123 tmp |= 0x2;
124 __raw_writeb(tmp, KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
125
126 serial_platform_data[0].irq =
127 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
128 serial8250_resources[1].start =
129 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
130 serial8250_resources[1].end =
131 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
132
133 return platform_device_register(&serial_device);
134}
135#else
136static inline int kzm_init_ext_uart(void)
137{
138 return 0;
139}
140#endif
141
142
143
144
145#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
146static struct smsc911x_platform_config kzm_smsc9118_config = {
147 .phy_interface = PHY_INTERFACE_MODE_MII,
148 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
149 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
150 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
151};
152
153static struct resource kzm_smsc9118_resources[] = {
154 {
155 .start = MX31_CS5_BASE_ADDR,
156 .end = MX31_CS5_BASE_ADDR + SZ_128K - 1,
157 .flags = IORESOURCE_MEM,
158 },
159 {
160
161 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
162 },
163};
164
165static struct platform_device kzm_smsc9118_device = {
166 .name = "smsc911x",
167 .id = -1,
168 .num_resources = ARRAY_SIZE(kzm_smsc9118_resources),
169 .resource = kzm_smsc9118_resources,
170 .dev = {
171 .platform_data = &kzm_smsc9118_config,
172 },
173};
174
175static struct regulator_consumer_supply dummy_supplies[] = {
176 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
177 REGULATOR_SUPPLY("vddvario", "smsc911x"),
178};
179
180static int __init kzm_init_smsc9118(void)
181{
182
183
184
185 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO));
186 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
187 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
188
189 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
190
191 kzm_smsc9118_resources[1].start =
192 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
193 kzm_smsc9118_resources[1].end =
194 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
195
196 return platform_device_register(&kzm_smsc9118_device);
197}
198#else
199static inline int kzm_init_smsc9118(void)
200{
201 return 0;
202}
203#endif
204
205#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
206static const struct imxuart_platform_data uart_pdata __initconst = {
207 .flags = IMXUART_HAVE_RTSCTS,
208};
209
210static void __init kzm_init_imx_uart(void)
211{
212 imx31_add_imx_uart0(&uart_pdata);
213 imx31_add_imx_uart1(&uart_pdata);
214}
215#else
216static inline void kzm_init_imx_uart(void)
217{
218}
219#endif
220
221static int kzm_pins[] __initdata = {
222 MX31_PIN_CTS1__CTS1,
223 MX31_PIN_RTS1__RTS1,
224 MX31_PIN_TXD1__TXD1,
225 MX31_PIN_RXD1__RXD1,
226 MX31_PIN_DCD_DCE1__DCD_DCE1,
227 MX31_PIN_RI_DCE1__RI_DCE1,
228 MX31_PIN_DSR_DCE1__DSR_DCE1,
229 MX31_PIN_DTR_DCE1__DTR_DCE1,
230 MX31_PIN_CTS2__CTS2,
231 MX31_PIN_RTS2__RTS2,
232 MX31_PIN_TXD2__TXD2,
233 MX31_PIN_RXD2__RXD2,
234 MX31_PIN_DCD_DTE1__DCD_DTE2,
235 MX31_PIN_RI_DTE1__RI_DTE2,
236 MX31_PIN_DSR_DTE1__DSR_DTE2,
237 MX31_PIN_DTR_DTE1__DTR_DTE2,
238};
239
240
241
242
243static void __init kzm_board_init(void)
244{
245 imx31_soc_init();
246
247 mxc_iomux_setup_multiple_pins(kzm_pins,
248 ARRAY_SIZE(kzm_pins), "kzm");
249 kzm_init_ext_uart();
250 kzm_init_smsc9118();
251 kzm_init_imx_uart();
252
253 pr_info("Clock input source is 26MHz\n");
254}
255
256
257
258
259static struct map_desc kzm_io_desc[] __initdata = {
260 {
261 .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT,
262 .pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
263 .length = MX31_CS4_SIZE,
264 .type = MT_DEVICE
265 },
266 {
267 .virtual = (unsigned long)MX31_CS5_BASE_ADDR_VIRT,
268 .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
269 .length = MX31_CS5_SIZE,
270 .type = MT_DEVICE
271 },
272};
273
274
275
276
277static void __init kzm_map_io(void)
278{
279 mx31_map_io();
280 iotable_init(kzm_io_desc, ARRAY_SIZE(kzm_io_desc));
281}
282
283static void __init kzm_timer_init(void)
284{
285 mx31_clocks_init(26000000);
286}
287
288static struct sys_timer kzm_timer = {
289 .init = kzm_timer_init,
290};
291
292MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
293 .atag_offset = 0x100,
294 .map_io = kzm_map_io,
295 .init_early = imx31_init_early,
296 .init_irq = mx31_init_irq,
297 .handle_irq = imx31_handle_irq,
298 .timer = &kzm_timer,
299 .init_machine = kzm_board_init,
300 .restart = mxc_restart,
301MACHINE_END
302
