ARM: imx: eliminate macro IOMUX_TO_IRQ()
[deliverable/linux.git] / arch / arm / mach-imx / mach-kzm_arm11_01.c
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1/*
2 * KZM-ARM11-01 support
3 * Copyright (C) 2009 Yoichi Yuasa <yuasa@linux-mips.org>
4 *
5 * based on code for MX31ADS,
6 * Copyright (C) 2000 Deep Blue Solutions Ltd
7 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
8 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
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19 */
20
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>
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27#include <linux/regulator/machine.h>
28#include <linux/regulator/fixed.h>
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29
30#include <asm/irq.h>
31#include <asm/mach-types.h>
f4117ac9 32#include <asm/memory.h>
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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
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39#include <mach/clock.h>
40#include <mach/common.h>
f2d9661b 41#include <mach/hardware.h>
415c7d26 42#include <mach/iomux-mx3.h>
415c7d26 43
16cf5c41 44#include "devices-imx31.h"
415c7d26 45
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46#define KZM_ARM11_IO_ADDRESS(x) (IOMEM( \
47 IMX_IO_P2V_MODULE(x, MX31_CS4) ?: \
48 IMX_IO_P2V_MODULE(x, MX31_CS5)) ?: \
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49 MX31_IO_ADDRESS(x))
50
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51/*
52 * KZM-ARM11-01 Board Control Registers on FPGA
53 */
54#define KZM_ARM11_CTL1 (MX31_CS4_BASE_ADDR + 0x1000)
55#define KZM_ARM11_CTL2 (MX31_CS4_BASE_ADDR + 0x1001)
56#define KZM_ARM11_RSW1 (MX31_CS4_BASE_ADDR + 0x1002)
57#define KZM_ARM11_BACK_LIGHT (MX31_CS4_BASE_ADDR + 0x1004)
58#define KZM_ARM11_FPGA_REV (MX31_CS4_BASE_ADDR + 0x1008)
59#define KZM_ARM11_7SEG_LED (MX31_CS4_BASE_ADDR + 0x1010)
60#define KZM_ARM11_LEDS (MX31_CS4_BASE_ADDR + 0x1020)
61#define KZM_ARM11_DIPSW2 (MX31_CS4_BASE_ADDR + 0x1003)
62
63/*
64 * External UART for touch panel on FPGA
65 */
66#define KZM_ARM11_16550 (MX31_CS4_BASE_ADDR + 0x1050)
67
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68#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
69/*
70 * KZM-ARM11-01 has an external UART on FPGA
71 */
72static struct plat_serial8250_port serial_platform_data[] = {
73 {
59e26081 74 .membase = KZM_ARM11_IO_ADDRESS(KZM_ARM11_16550),
415c7d26 75 .mapbase = KZM_ARM11_16550,
ed175343 76 /* irq number is run-time assigned */
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77 .irqflags = IRQ_TYPE_EDGE_RISING,
78 .uartclk = 14745600,
79 .regshift = 0,
80 .iotype = UPIO_MEM,
81 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
82 UPF_BUGGY_UART,
83 },
84 {},
85};
86
87static struct resource serial8250_resources[] = {
88 {
89 .start = KZM_ARM11_16550,
90 .end = KZM_ARM11_16550 + 0x10,
91 .flags = IORESOURCE_MEM,
92 },
93 {
ed175343 94 /* irq number is run-time assigned */
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95 .flags = IORESOURCE_IRQ,
96 },
97};
98
99static struct platform_device serial_device = {
100 .name = "serial8250",
101 .id = PLAT8250_DEV_PLATFORM,
102 .dev = {
103 .platform_data = serial_platform_data,
104 },
105 .num_resources = ARRAY_SIZE(serial8250_resources),
106 .resource = serial8250_resources,
107};
108
109static int __init kzm_init_ext_uart(void)
110{
111 u8 tmp;
112
113 /*
114 * GPIO 1-1: external UART interrupt line
115 */
116 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO));
117 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "ext-uart-int");
118 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
119
120 /*
121 * Unmask UART interrupt
122 */
59e26081 123 tmp = __raw_readb(KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
415c7d26 124 tmp |= 0x2;
59e26081 125 __raw_writeb(tmp, KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
415c7d26 126
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SG
127 serial_platform_data[0].irq =
128 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
129 serial8250_resources[1].start =
130 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
131 serial8250_resources[1].end =
132 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
133
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134 return platform_device_register(&serial_device);
135}
136#else
137static inline int kzm_init_ext_uart(void)
138{
139 return 0;
140}
141#endif
142
143/*
144 * SMSC LAN9118
145 */
146#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
147static struct smsc911x_platform_config kzm_smsc9118_config = {
148 .phy_interface = PHY_INTERFACE_MODE_MII,
149 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
150 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
151 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
152};
153
154static struct resource kzm_smsc9118_resources[] = {
155 {
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156 .start = MX31_CS5_BASE_ADDR,
157 .end = MX31_CS5_BASE_ADDR + SZ_128K - 1,
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158 .flags = IORESOURCE_MEM,
159 },
160 {
ed175343 161 /* irq number is run-time assigned */
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162 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
163 },
164};
165
166static struct platform_device kzm_smsc9118_device = {
167 .name = "smsc911x",
168 .id = -1,
169 .num_resources = ARRAY_SIZE(kzm_smsc9118_resources),
170 .resource = kzm_smsc9118_resources,
171 .dev = {
172 .platform_data = &kzm_smsc9118_config,
173 },
174};
175
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176static struct regulator_consumer_supply dummy_supplies[] = {
177 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
178 REGULATOR_SUPPLY("vddvario", "smsc911x"),
179};
180
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181static int __init kzm_init_smsc9118(void)
182{
183 /*
184 * GPIO 1-2: SMSC9118 interrupt line
185 */
186 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO));
187 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
188 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
189
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190 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
191
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192 kzm_smsc9118_resources[1].start =
193 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
194 kzm_smsc9118_resources[1].end =
195 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
196
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197 return platform_device_register(&kzm_smsc9118_device);
198}
199#else
200static inline int kzm_init_smsc9118(void)
201{
202 return 0;
203}
204#endif
205
206#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
16cf5c41 207static const struct imxuart_platform_data uart_pdata __initconst = {
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208 .flags = IMXUART_HAVE_RTSCTS,
209};
210
211static void __init kzm_init_imx_uart(void)
212{
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213 imx31_add_imx_uart0(&uart_pdata);
214 imx31_add_imx_uart1(&uart_pdata);
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215}
216#else
217static inline void kzm_init_imx_uart(void)
218{
219}
220#endif
221
222static int kzm_pins[] __initdata = {
223 MX31_PIN_CTS1__CTS1,
224 MX31_PIN_RTS1__RTS1,
225 MX31_PIN_TXD1__TXD1,
226 MX31_PIN_RXD1__RXD1,
227 MX31_PIN_DCD_DCE1__DCD_DCE1,
228 MX31_PIN_RI_DCE1__RI_DCE1,
229 MX31_PIN_DSR_DCE1__DSR_DCE1,
230 MX31_PIN_DTR_DCE1__DTR_DCE1,
231 MX31_PIN_CTS2__CTS2,
232 MX31_PIN_RTS2__RTS2,
233 MX31_PIN_TXD2__TXD2,
234 MX31_PIN_RXD2__RXD2,
235 MX31_PIN_DCD_DTE1__DCD_DTE2,
236 MX31_PIN_RI_DTE1__RI_DTE2,
237 MX31_PIN_DSR_DTE1__DSR_DTE2,
238 MX31_PIN_DTR_DTE1__DTR_DTE2,
239};
240
241/*
242 * Board specific initialization.
243 */
244static void __init kzm_board_init(void)
245{
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246 imx31_soc_init();
247
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248 mxc_iomux_setup_multiple_pins(kzm_pins,
249 ARRAY_SIZE(kzm_pins), "kzm");
250 kzm_init_ext_uart();
251 kzm_init_smsc9118();
252 kzm_init_imx_uart();
253
254 pr_info("Clock input source is 26MHz\n");
255}
256
257/*
258 * This structure defines static mappings for the kzm-arm11-01 board.
259 */
260static struct map_desc kzm_io_desc[] __initdata = {
261 {
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262 .virtual = MX31_CS4_BASE_ADDR_VIRT,
263 .pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
264 .length = MX31_CS4_SIZE,
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265 .type = MT_DEVICE
266 },
267 {
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268 .virtual = MX31_CS5_BASE_ADDR_VIRT,
269 .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
270 .length = MX31_CS5_SIZE,
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271 .type = MT_DEVICE
272 },
273};
274
275/*
276 * Set up static virtual mappings.
277 */
278static void __init kzm_map_io(void)
279{
280 mx31_map_io();
281 iotable_init(kzm_io_desc, ARRAY_SIZE(kzm_io_desc));
282}
283
284static void __init kzm_timer_init(void)
285{
286 mx31_clocks_init(26000000);
287}
288
289static struct sys_timer kzm_timer = {
e134fb2b 290 .init = kzm_timer_init,
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291};
292
415c7d26 293MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
dc8f1907 294 .atag_offset = 0x100,
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295 .map_io = kzm_map_io,
296 .init_early = imx31_init_early,
297 .init_irq = mx31_init_irq,
ffa2ea3f 298 .handle_irq = imx31_handle_irq,
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299 .timer = &kzm_timer,
300 .init_machine = kzm_board_init,
65ea7884 301 .restart = mxc_restart,
415c7d26 302MACHINE_END
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