diff options
author | Yong Shen <yong.shen@freescale.com> | 2011-01-12 04:14:46 -0500 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-13 04:02:49 -0500 |
commit | 6f12ea4e54b7f213a463e2e03768cf02f0cd77a9 (patch) | |
tree | 358603f8cc371bc769a9187da7d0a460ee412cfc /arch/arm/mach-mx5/board-mx53_smd.c | |
parent | 65e2e9c8c3eab03f123d6852d14c0a65785c4e51 (diff) |
ARM i.MX53 enable SMD board bootup
1. Add Kconfig and Makefile entries
2. Add board definition
3. enable uart and fec for SMD board
Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_smd.c')
-rw-r--r-- | arch/arm/mach-mx5/board-mx53_smd.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c new file mode 100644 index 000000000000..7970f7a48588 --- /dev/null +++ b/arch/arm/mach-mx5/board-mx53_smd.c | |||
@@ -0,0 +1,111 @@ | |||
1 | /* | ||
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/fec.h> | ||
24 | #include <linux/delay.h> | ||
25 | #include <linux/gpio.h> | ||
26 | |||
27 | #include <mach/common.h> | ||
28 | #include <mach/hardware.h> | ||
29 | #include <mach/imx-uart.h> | ||
30 | #include <mach/iomux-mx53.h> | ||
31 | |||
32 | #include <asm/mach-types.h> | ||
33 | #include <asm/mach/arch.h> | ||
34 | #include <asm/mach/time.h> | ||
35 | |||
36 | #include "crm_regs.h" | ||
37 | #include "devices-imx53.h" | ||
38 | |||
39 | #define SMD_FEC_PHY_RST IMX_GPIO_NR(7, 6) | ||
40 | |||
41 | static iomux_v3_cfg_t mx53_smd_pads[] = { | ||
42 | MX53_PAD_CSI0_D10__UART1_TXD, | ||
43 | MX53_PAD_CSI0_D11__UART1_RXD, | ||
44 | MX53_PAD_ATA_DIOW__UART1_TXD, | ||
45 | MX53_PAD_ATA_DMACK__UART1_RXD, | ||
46 | |||
47 | MX53_PAD_ATA_BUFFER_EN__UART2_RXD, | ||
48 | MX53_PAD_ATA_DMARQ__UART2_TXD, | ||
49 | MX53_PAD_ATA_DIOR__UART2_RTS, | ||
50 | MX53_PAD_ATA_INTRQ__UART2_CTS, | ||
51 | |||
52 | MX53_PAD_ATA_CS_0__UART3_TXD, | ||
53 | MX53_PAD_ATA_CS_1__UART3_RXD, | ||
54 | MX53_PAD_ATA_DA_1__UART3_CTS, | ||
55 | MX53_PAD_ATA_DA_2__UART3_RTS, | ||
56 | }; | ||
57 | |||
58 | static const struct imxuart_platform_data mx53_smd_uart_data __initconst = { | ||
59 | .flags = IMXUART_HAVE_RTSCTS, | ||
60 | }; | ||
61 | |||
62 | static inline void mx53_smd_init_uart(void) | ||
63 | { | ||
64 | imx53_add_imx_uart(0, &mx53_smd_uart_data); | ||
65 | imx53_add_imx_uart(1, &mx53_smd_uart_data); | ||
66 | imx53_add_imx_uart(2, &mx53_smd_uart_data); | ||
67 | } | ||
68 | |||
69 | static inline void mx53_smd_fec_reset(void) | ||
70 | { | ||
71 | int ret; | ||
72 | |||
73 | /* reset FEC PHY */ | ||
74 | ret = gpio_request(SMD_FEC_PHY_RST, "fec-phy-reset"); | ||
75 | if (ret) { | ||
76 | printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); | ||
77 | return; | ||
78 | } | ||
79 | gpio_direction_output(SMD_FEC_PHY_RST, 0); | ||
80 | msleep(1); | ||
81 | gpio_set_value(SMD_FEC_PHY_RST, 1); | ||
82 | } | ||
83 | |||
84 | static struct fec_platform_data mx53_smd_fec_data = { | ||
85 | .phy = PHY_INTERFACE_MODE_RMII, | ||
86 | }; | ||
87 | |||
88 | static void __init mx53_smd_board_init(void) | ||
89 | { | ||
90 | mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads, | ||
91 | ARRAY_SIZE(mx53_smd_pads)); | ||
92 | mx53_smd_init_uart(); | ||
93 | mx53_smd_fec_reset(); | ||
94 | imx53_add_fec(&mx53_smd_fec_data); | ||
95 | } | ||
96 | |||
97 | static void __init mx53_smd_timer_init(void) | ||
98 | { | ||
99 | mx53_clocks_init(32768, 24000000, 22579200, 0); | ||
100 | } | ||
101 | |||
102 | static struct sys_timer mx53_smd_timer = { | ||
103 | .init = mx53_smd_timer_init, | ||
104 | }; | ||
105 | |||
106 | MACHINE_START(MX53_SMD, "Freescale MX53 SMD Board") | ||
107 | .map_io = mx53_map_io, | ||
108 | .init_irq = mx53_init_irq, | ||
109 | .init_machine = mx53_smd_board_init, | ||
110 | .timer = &mx53_smd_timer, | ||
111 | MACHINE_END | ||