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Yong Shen6f12ea42011-01-12 17:14:46 +08001/*
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>
Yong Shen6f12ea42011-01-12 17:14:46 +080023#include <linux/delay.h>
24#include <linux/gpio.h>
25
26#include <mach/common.h>
27#include <mach/hardware.h>
Yong Shen6f12ea42011-01-12 17:14:46 +080028#include <mach/iomux-mx53.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/time.h>
33
Yong Shen6f12ea42011-01-12 17:14:46 +080034#include "devices-imx53.h"
35
36#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
Richard Zhud870ea12011-09-28 15:41:57 +080037#define MX53_SMD_SATA_PWR_EN IMX_GPIO_NR(3, 3)
Yong Shen6f12ea42011-01-12 17:14:46 +080038
39static iomux_v3_cfg_t mx53_smd_pads[] = {
Fabio Estevam67f2a872011-01-25 13:08:33 -020040 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
41 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
Yong Shen6f12ea42011-01-12 17:14:46 +080042
Fabio Estevam67f2a872011-01-25 13:08:33 -020043 MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
44 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
Yong Shen6f12ea42011-01-12 17:14:46 +080045
Fabio Estevam67f2a872011-01-25 13:08:33 -020046 MX53_PAD_PATA_CS_0__UART3_TXD_MUX,
47 MX53_PAD_PATA_CS_1__UART3_RXD_MUX,
48 MX53_PAD_PATA_DA_1__UART3_CTS,
49 MX53_PAD_PATA_DA_2__UART3_RTS,
Fabio Estevam20930232011-03-01 16:59:48 -030050 /* I2C1 */
51 MX53_PAD_CSI0_DAT8__I2C1_SDA,
52 MX53_PAD_CSI0_DAT9__I2C1_SCL,
Fabio Estevamc6c83b42011-04-04 09:50:49 -030053 /* SD1 */
54 MX53_PAD_SD1_CMD__ESDHC1_CMD,
55 MX53_PAD_SD1_CLK__ESDHC1_CLK,
56 MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
57 MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
58 MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
59 MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
60 /* SD2 */
61 MX53_PAD_SD2_CMD__ESDHC2_CMD,
62 MX53_PAD_SD2_CLK__ESDHC2_CLK,
63 MX53_PAD_SD2_DATA0__ESDHC2_DAT0,
64 MX53_PAD_SD2_DATA1__ESDHC2_DAT1,
65 MX53_PAD_SD2_DATA2__ESDHC2_DAT2,
66 MX53_PAD_SD2_DATA3__ESDHC2_DAT3,
67 /* SD3 */
68 MX53_PAD_PATA_DATA8__ESDHC3_DAT0,
69 MX53_PAD_PATA_DATA9__ESDHC3_DAT1,
70 MX53_PAD_PATA_DATA10__ESDHC3_DAT2,
71 MX53_PAD_PATA_DATA11__ESDHC3_DAT3,
72 MX53_PAD_PATA_DATA0__ESDHC3_DAT4,
73 MX53_PAD_PATA_DATA1__ESDHC3_DAT5,
74 MX53_PAD_PATA_DATA2__ESDHC3_DAT6,
75 MX53_PAD_PATA_DATA3__ESDHC3_DAT7,
76 MX53_PAD_PATA_IORDY__ESDHC3_CLK,
77 MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
Yong Shen6f12ea42011-01-12 17:14:46 +080078};
79
80static const struct imxuart_platform_data mx53_smd_uart_data __initconst = {
81 .flags = IMXUART_HAVE_RTSCTS,
82};
83
84static inline void mx53_smd_init_uart(void)
85{
Fabio Estevamcdb2daa2011-01-31 10:32:27 -020086 imx53_add_imx_uart(0, NULL);
Fabio Estevamd79c01b2011-03-02 13:30:52 -030087 imx53_add_imx_uart(1, NULL);
Yong Shen6f12ea42011-01-12 17:14:46 +080088 imx53_add_imx_uart(2, &mx53_smd_uart_data);
89}
90
91static inline void mx53_smd_fec_reset(void)
92{
93 int ret;
94
95 /* reset FEC PHY */
96 ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
97 if (ret) {
98 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
99 return;
100 }
101 gpio_direction_output(SMD_FEC_PHY_RST, 0);
102 msleep(1);
103 gpio_set_value(SMD_FEC_PHY_RST, 1);
104}
105
Dong Aisheng16b36472011-11-12 00:09:06 +0800106static const struct fec_platform_data mx53_smd_fec_data __initconst = {
Yong Shen6f12ea42011-01-12 17:14:46 +0800107 .phy = PHY_INTERFACE_MODE_RMII,
108};
109
Fabio Estevam20930232011-03-01 16:59:48 -0300110static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = {
111 .bitrate = 100000,
112};
113
Richard Zhud870ea12011-09-28 15:41:57 +0800114static inline void mx53_smd_ahci_pwr_on(void)
115{
116 int ret;
117
118 /* Enable SATA PWR */
119 ret = gpio_request_one(MX53_SMD_SATA_PWR_EN,
120 GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "ahci-sata-pwr");
121 if (ret) {
122 pr_err("failed to enable SATA_PWR_EN: %d\n", ret);
123 return;
124 }
125}
126
Shawn Guo73d2b4c2011-10-17 08:42:16 +0800127void __init imx53_smd_common_init(void)
128{
129 mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
130 ARRAY_SIZE(mx53_smd_pads));
131}
132
Yong Shen6f12ea42011-01-12 17:14:46 +0800133static void __init mx53_smd_board_init(void)
134{
Shawn Guob78d8e52011-06-06 00:07:55 +0800135 imx53_soc_init();
Shawn Guo73d2b4c2011-10-17 08:42:16 +0800136 imx53_smd_common_init();
Shawn Guob78d8e52011-06-06 00:07:55 +0800137
Yong Shen6f12ea42011-01-12 17:14:46 +0800138 mx53_smd_init_uart();
139 mx53_smd_fec_reset();
140 imx53_add_fec(&mx53_smd_fec_data);
Fabio Estevamdaa79542011-02-17 18:09:53 -0200141 imx53_add_imx2_wdt(0, NULL);
Fabio Estevam20930232011-03-01 16:59:48 -0300142 imx53_add_imx_i2c(0, &mx53_smd_i2c_data);
Fabio Estevamc6c83b42011-04-04 09:50:49 -0300143 imx53_add_sdhci_esdhc_imx(0, NULL);
144 imx53_add_sdhci_esdhc_imx(1, NULL);
145 imx53_add_sdhci_esdhc_imx(2, NULL);
Richard Zhud870ea12011-09-28 15:41:57 +0800146 mx53_smd_ahci_pwr_on();
147 imx53_add_ahci_imx();
Yong Shen6f12ea42011-01-12 17:14:46 +0800148}
149
150static void __init mx53_smd_timer_init(void)
151{
152 mx53_clocks_init(32768, 24000000, 22579200, 0);
153}
154
155static struct sys_timer mx53_smd_timer = {
156 .init = mx53_smd_timer_init,
157};
158
159MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board")
160 .map_io = mx53_map_io,
Uwe Kleine-Königab1304212011-02-07 16:35:21 +0100161 .init_early = imx53_init_early,
Yong Shen6f12ea42011-01-12 17:14:46 +0800162 .init_irq = mx53_init_irq,
Sascha Hauerffa2ea32011-09-20 14:31:24 +0200163 .handle_irq = imx53_handle_irq,
Yong Shen6f12ea42011-01-12 17:14:46 +0800164 .timer = &mx53_smd_timer,
Uwe Kleine-Königab1304212011-02-07 16:35:21 +0100165 .init_machine = mx53_smd_board_init,
Russell King65ea7882011-11-06 17:12:08 +0000166 .restart = mxc_restart,
Yong Shen6f12ea42011-01-12 17:14:46 +0800167MACHINE_END