blob: 8a744ae09f6f0a7aa3ff747866671caad3813457 [file] [log] [blame]
Yong Shena58154d2011-01-04 14:22:56 +08001/*
2 * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org>
4 */
5
6/*
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22#include <linux/init.h>
23#include <linux/clk.h>
Yong Shen63904762011-01-07 12:25:32 +080024#include <linux/fec.h>
25#include <linux/delay.h>
26#include <linux/gpio.h>
Yong Shena58154d2011-01-04 14:22:56 +080027#include <mach/common.h>
28#include <mach/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/mach/time.h>
32#include <mach/imx-uart.h>
33#include <mach/iomux-mx53.h>
34
Yong Shen63904762011-01-07 12:25:32 +080035#define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
36
Yong Shena58154d2011-01-04 14:22:56 +080037#include "crm_regs.h"
38#include "devices-imx53.h"
39
40static iomux_v3_cfg_t mx53_evk_pads[] = {
41 MX53_PAD_CSI0_D10__UART1_TXD,
42 MX53_PAD_CSI0_D11__UART1_RXD,
43 MX53_PAD_ATA_DIOW__UART1_TXD,
44 MX53_PAD_ATA_DMACK__UART1_RXD,
45
46 MX53_PAD_ATA_BUFFER_EN__UART2_RXD,
47 MX53_PAD_ATA_DMARQ__UART2_TXD,
48 MX53_PAD_ATA_DIOR__UART2_RTS,
49 MX53_PAD_ATA_INTRQ__UART2_CTS,
50
51 MX53_PAD_ATA_CS_0__UART3_TXD,
52 MX53_PAD_ATA_CS_1__UART3_RXD,
53 MX53_PAD_ATA_DA_1__UART3_CTS,
54 MX53_PAD_ATA_DA_2__UART3_RTS,
55};
56
57static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
58 .flags = IMXUART_HAVE_RTSCTS,
59};
60
61static inline void mx53_evk_init_uart(void)
62{
63 imx53_add_imx_uart(0, &mx53_evk_uart_pdata);
64 imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
65 imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
66}
67
Yong Shen63904762011-01-07 12:25:32 +080068static inline void mx53_evk_fec_reset(void)
69{
70 int ret;
71
72 /* reset FEC PHY */
73 ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset");
74 if (ret) {
75 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
76 return;
77 }
78 gpio_direction_output(SMD_FEC_PHY_RST, 0);
79 gpio_set_value(SMD_FEC_PHY_RST, 0);
80 msleep(1);
81 gpio_set_value(SMD_FEC_PHY_RST, 1);
82}
83
84static struct fec_platform_data mx53_evk_fec_pdata = {
85 .phy = PHY_INTERFACE_MODE_RMII,
86};
87
Yong Shena58154d2011-01-04 14:22:56 +080088static void __init mx53_evk_board_init(void)
89{
90 mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
91 ARRAY_SIZE(mx53_evk_pads));
92 mx53_evk_init_uart();
Yong Shen63904762011-01-07 12:25:32 +080093 mx53_evk_fec_reset();
94 imx53_add_fec(&mx53_evk_fec_pdata);
Yong Shena58154d2011-01-04 14:22:56 +080095}
96
97static void __init mx53_evk_timer_init(void)
98{
99 mx53_clocks_init(32768, 24000000, 22579200, 0);
100}
101
102static struct sys_timer mx53_evk_timer = {
103 .init = mx53_evk_timer_init,
104};
105
106MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
107 .map_io = mx53_map_io,
108 .init_irq = mx53_init_irq,
109 .init_machine = mx53_evk_board_init,
110 .timer = &mx53_evk_timer,
111MACHINE_END