ARM: cpu topology: Add debugfs interface for cpu_power
[cmplus.git] / arch / arm / mach-mx5 / board-mx53_smd.c
blob817c08938f552e0194a8c409c48132252766ba51
1 /*
2 * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
3 */
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.
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.
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.
21 #include <linux/init.h>
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/gpio.h>
26 #include <mach/common.h>
27 #include <mach/hardware.h>
28 #include <mach/iomux-mx53.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/time.h>
34 #include "crm_regs.h"
35 #include "devices-imx53.h"
37 #define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6)
39 static iomux_v3_cfg_t mx53_smd_pads[] = {
40 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
41 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
43 MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX,
44 MX53_PAD_PATA_DMARQ__UART2_TXD_MUX,
46 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,
50 /* I2C1 */
51 MX53_PAD_CSI0_DAT8__I2C1_SDA,
52 MX53_PAD_CSI0_DAT9__I2C1_SCL,
53 /* 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,
80 static const struct imxuart_platform_data mx53_smd_uart_data __initconst = {
81 .flags = IMXUART_HAVE_RTSCTS,
84 static inline void mx53_smd_init_uart(void)
86 imx53_add_imx_uart(0, NULL);
87 imx53_add_imx_uart(1, NULL);
88 imx53_add_imx_uart(2, &mx53_smd_uart_data);
91 static inline void mx53_smd_fec_reset(void)
93 int ret;
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;
101 gpio_direction_output(SMD_FEC_PHY_RST, 0);
102 msleep(1);
103 gpio_set_value(SMD_FEC_PHY_RST, 1);
106 static struct fec_platform_data mx53_smd_fec_data = {
107 .phy = PHY_INTERFACE_MODE_RMII,
110 static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = {
111 .bitrate = 100000,
114 static void __init mx53_smd_board_init(void)
116 mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
117 ARRAY_SIZE(mx53_smd_pads));
118 mx53_smd_init_uart();
119 mx53_smd_fec_reset();
120 imx53_add_fec(&mx53_smd_fec_data);
121 imx53_add_imx2_wdt(0, NULL);
122 imx53_add_imx_i2c(0, &mx53_smd_i2c_data);
123 imx53_add_sdhci_esdhc_imx(0, NULL);
124 imx53_add_sdhci_esdhc_imx(1, NULL);
125 imx53_add_sdhci_esdhc_imx(2, NULL);
128 static void __init mx53_smd_timer_init(void)
130 mx53_clocks_init(32768, 24000000, 22579200, 0);
133 static struct sys_timer mx53_smd_timer = {
134 .init = mx53_smd_timer_init,
137 MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board")
138 .map_io = mx53_map_io,
139 .init_early = imx53_init_early,
140 .init_irq = mx53_init_irq,
141 .timer = &mx53_smd_timer,
142 .init_machine = mx53_smd_board_init,
143 MACHINE_END