blob: 9b4395d7a07ca1f75731486fcb18d6bf70022cf3 [file] [log] [blame]
Andre Silvabd897822011-06-10 13:08:14 -03001/*
2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
3 */
4
5/*
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include <linux/init.h>
22#include <linux/clk.h>
23#include <linux/delay.h>
24#include <linux/gpio.h>
25#include <linux/smsc911x.h>
26
27#include <mach/common.h>
28#include <mach/hardware.h>
29#include <mach/iomux-mx53.h>
30
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34
35#include "crm_regs.h"
36#include "devices-imx53.h"
37
38#define ARD_ETHERNET_INT_B IMX_GPIO_NR(2, 31)
Andre Silvae3a58be2011-06-13 14:31:57 -030039#define ARD_SD1_CD IMX_GPIO_NR(1, 1)
40#define ARD_SD1_WP IMX_GPIO_NR(1, 9)
Fabio Estevamd23cb572011-06-25 13:28:53 -030041#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3)
Daiane Angolini2a90a692011-06-30 14:41:46 -030042#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0)
43#define ARD_HOME IMX_GPIO_NR(5, 10)
44#define ARD_BACK IMX_GPIO_NR(5, 11)
45#define ARD_PROG IMX_GPIO_NR(5, 12)
46#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13)
Andre Silvabd897822011-06-10 13:08:14 -030047
48static iomux_v3_cfg_t mx53_ard_pads[] = {
49 /* UART1 */
50 MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
51 MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
52 /* WEIM for CS1 */
53 MX53_PAD_EIM_EB3__GPIO2_31, /* ETHERNET_INT_B */
54 MX53_PAD_EIM_D16__EMI_WEIM_D_16,
55 MX53_PAD_EIM_D17__EMI_WEIM_D_17,
56 MX53_PAD_EIM_D18__EMI_WEIM_D_18,
57 MX53_PAD_EIM_D19__EMI_WEIM_D_19,
58 MX53_PAD_EIM_D20__EMI_WEIM_D_20,
59 MX53_PAD_EIM_D21__EMI_WEIM_D_21,
60 MX53_PAD_EIM_D22__EMI_WEIM_D_22,
61 MX53_PAD_EIM_D23__EMI_WEIM_D_23,
62 MX53_PAD_EIM_D24__EMI_WEIM_D_24,
63 MX53_PAD_EIM_D25__EMI_WEIM_D_25,
64 MX53_PAD_EIM_D26__EMI_WEIM_D_26,
65 MX53_PAD_EIM_D27__EMI_WEIM_D_27,
66 MX53_PAD_EIM_D28__EMI_WEIM_D_28,
67 MX53_PAD_EIM_D29__EMI_WEIM_D_29,
68 MX53_PAD_EIM_D30__EMI_WEIM_D_30,
69 MX53_PAD_EIM_D31__EMI_WEIM_D_31,
70 MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
71 MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
72 MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
73 MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
74 MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
75 MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
76 MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
77 MX53_PAD_EIM_OE__EMI_WEIM_OE,
78 MX53_PAD_EIM_RW__EMI_WEIM_RW,
79 MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
Andre Silvae3a58be2011-06-13 14:31:57 -030080 /* SDHC1 */
81 MX53_PAD_SD1_CMD__ESDHC1_CMD,
82 MX53_PAD_SD1_CLK__ESDHC1_CLK,
83 MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
84 MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
85 MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
86 MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
87 MX53_PAD_PATA_DATA8__ESDHC1_DAT4,
88 MX53_PAD_PATA_DATA9__ESDHC1_DAT5,
89 MX53_PAD_PATA_DATA10__ESDHC1_DAT6,
90 MX53_PAD_PATA_DATA11__ESDHC1_DAT7,
91 MX53_PAD_GPIO_1__GPIO1_1,
92 MX53_PAD_GPIO_9__GPIO1_9,
Andre Silva8dd7b812011-06-22 16:33:05 -030093 /* I2C2 */
94 MX53_PAD_EIM_EB2__I2C2_SCL,
95 MX53_PAD_KEY_ROW3__I2C2_SDA,
96 /* I2C3 */
97 MX53_PAD_GPIO_3__I2C3_SCL,
98 MX53_PAD_GPIO_16__I2C3_SDA,
Daiane Angolini2a90a692011-06-30 14:41:46 -030099 /* GPIO */
100 MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */
101 MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */
102 MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */
103 MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */
104 MX53_PAD_GPIO_10__GPIO4_0, /* vol down */
105};
106
107#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
108{ \
109 .gpio = gpio_num, \
110 .type = EV_KEY, \
111 .code = ev_code, \
112 .active_low = act_low, \
113 .desc = "btn " descr, \
114 .wakeup = wake, \
115}
116
117static struct gpio_keys_button ard_buttons[] = {
118 GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0),
119 GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0),
120 GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0),
121 GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0),
122 GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0),
123};
124
125static const struct gpio_keys_platform_data ard_button_data __initconst = {
126 .buttons = ard_buttons,
127 .nbuttons = ARRAY_SIZE(ard_buttons),
Andre Silvabd897822011-06-10 13:08:14 -0300128};
129
130static struct resource ard_smsc911x_resources[] = {
131 {
132 .start = MX53_CS1_64MB_BASE_ADDR,
133 .end = MX53_CS1_64MB_BASE_ADDR + SZ_32M - 1,
134 .flags = IORESOURCE_MEM,
135 },
136 {
137 .start = gpio_to_irq(ARD_ETHERNET_INT_B),
138 .end = gpio_to_irq(ARD_ETHERNET_INT_B),
139 .flags = IORESOURCE_IRQ,
140 },
141};
142
143struct smsc911x_platform_config ard_smsc911x_config = {
144 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
145 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
146 .flags = SMSC911X_USE_32BIT,
147};
148
149static struct platform_device ard_smsc_lan9220_device = {
150 .name = "smsc911x",
151 .id = -1,
152 .num_resources = ARRAY_SIZE(ard_smsc911x_resources),
153 .resource = ard_smsc911x_resources,
154 .dev = {
155 .platform_data = &ard_smsc911x_config,
156 },
157};
158
Andre Silvae3a58be2011-06-13 14:31:57 -0300159static const struct esdhc_platform_data mx53_ard_sd1_data __initconst = {
160 .cd_gpio = ARD_SD1_CD,
161 .wp_gpio = ARD_SD1_WP,
162};
163
Andre Silva8dd7b812011-06-22 16:33:05 -0300164static struct imxi2c_platform_data mx53_ard_i2c2_data = {
165 .bitrate = 50000,
166};
167
168static struct imxi2c_platform_data mx53_ard_i2c3_data = {
169 .bitrate = 400000,
170};
171
Andre Silvabd897822011-06-10 13:08:14 -0300172static void __init mx53_ard_io_init(void)
173{
Andre Silvabd897822011-06-10 13:08:14 -0300174 gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
175 gpio_direction_input(ARD_ETHERNET_INT_B);
Andre Silva8dd7b812011-06-22 16:33:05 -0300176
177 gpio_request(ARD_I2CPORTEXP_B, "i2cptexp-rst");
178 gpio_direction_output(ARD_I2CPORTEXP_B, 1);
Andre Silvabd897822011-06-10 13:08:14 -0300179}
180
Andre Silva8dd7b812011-06-22 16:33:05 -0300181/* Config CS1 settings for ethernet controller */
Andre Silvabd897822011-06-10 13:08:14 -0300182static int weim_cs_config(void)
183{
184 u32 reg;
185 void __iomem *weim_base, *iomuxc_base;
186
187 weim_base = ioremap(MX53_WEIM_BASE_ADDR, SZ_4K);
188 if (!weim_base)
189 return -ENOMEM;
190
191 iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K);
192 if (!iomuxc_base)
193 return -ENOMEM;
194
195 /* CS1 timings for LAN9220 */
196 writel(0x20001, (weim_base + 0x18));
197 writel(0x0, (weim_base + 0x1C));
198 writel(0x16000202, (weim_base + 0x20));
199 writel(0x00000002, (weim_base + 0x24));
200 writel(0x16002082, (weim_base + 0x28));
201 writel(0x00000000, (weim_base + 0x2C));
202 writel(0x00000000, (weim_base + 0x90));
203
204 /* specify 64 MB on CS1 and CS0 on GPR1 */
205 reg = readl(iomuxc_base + 0x4);
206 reg &= ~0x3F;
207 reg |= 0x1B;
208 writel(reg, (iomuxc_base + 0x4));
209
210 iounmap(iomuxc_base);
211 iounmap(weim_base);
212
213 return 0;
214}
215
Shawn Guo73d2b4c2011-10-17 08:42:16 +0800216void __init imx53_ard_common_init(void)
217{
218 mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
219 ARRAY_SIZE(mx53_ard_pads));
220 weim_cs_config();
221}
222
Andre Silvabd897822011-06-10 13:08:14 -0300223static struct platform_device *devices[] __initdata = {
224 &ard_smsc_lan9220_device,
225};
226
227static void __init mx53_ard_board_init(void)
228{
229 imx53_soc_init();
230 imx53_add_imx_uart(0, NULL);
231
Shawn Guo73d2b4c2011-10-17 08:42:16 +0800232 imx53_ard_common_init();
Andre Silvabd897822011-06-10 13:08:14 -0300233 mx53_ard_io_init();
Andre Silvabd897822011-06-10 13:08:14 -0300234 platform_add_devices(devices, ARRAY_SIZE(devices));
Andre Silvae3a58be2011-06-13 14:31:57 -0300235
236 imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);
Andre Silva40d32c82011-06-13 14:31:58 -0300237 imx53_add_imx2_wdt(0, NULL);
Andre Silva8dd7b812011-06-22 16:33:05 -0300238 imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
239 imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
Daiane Angolini2a90a692011-06-30 14:41:46 -0300240 imx_add_gpio_keys(&ard_button_data);
Andre Silvabd897822011-06-10 13:08:14 -0300241}
242
243static void __init mx53_ard_timer_init(void)
244{
245 mx53_clocks_init(32768, 24000000, 22579200, 0);
246}
247
248static struct sys_timer mx53_ard_timer = {
249 .init = mx53_ard_timer_init,
250};
251
252MACHINE_START(MX53_ARD, "Freescale MX53 ARD Board")
253 .map_io = mx53_map_io,
254 .init_early = imx53_init_early,
255 .init_irq = mx53_init_irq,
256 .timer = &mx53_ard_timer,
257 .init_machine = mx53_ard_board_init,
258MACHINE_END