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Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_evk.c')
-rw-r--r--arch/arm/mach-mx5/board-mx53_evk.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
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1/*
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>
24#include <mach/common.h>
25#include <mach/hardware.h>
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/time.h>
29#include <mach/imx-uart.h>
30#include <mach/iomux-mx53.h>
31
32#include "crm_regs.h"
33#include "devices-imx53.h"
34
35static iomux_v3_cfg_t mx53_evk_pads[] = {
36 MX53_PAD_CSI0_D10__UART1_TXD,
37 MX53_PAD_CSI0_D11__UART1_RXD,
38 MX53_PAD_ATA_DIOW__UART1_TXD,
39 MX53_PAD_ATA_DMACK__UART1_RXD,
40
41 MX53_PAD_ATA_BUFFER_EN__UART2_RXD,
42 MX53_PAD_ATA_DMARQ__UART2_TXD,
43 MX53_PAD_ATA_DIOR__UART2_RTS,
44 MX53_PAD_ATA_INTRQ__UART2_CTS,
45
46 MX53_PAD_ATA_CS_0__UART3_TXD,
47 MX53_PAD_ATA_CS_1__UART3_RXD,
48 MX53_PAD_ATA_DA_1__UART3_CTS,
49 MX53_PAD_ATA_DA_2__UART3_RTS,
50};
51
52static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
53 .flags = IMXUART_HAVE_RTSCTS,
54};
55
56static inline void mx53_evk_init_uart(void)
57{
58 imx53_add_imx_uart(0, &mx53_evk_uart_pdata);
59 imx53_add_imx_uart(1, &mx53_evk_uart_pdata);
60 imx53_add_imx_uart(2, &mx53_evk_uart_pdata);
61}
62
63static void __init mx53_evk_board_init(void)
64{
65 mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
66 ARRAY_SIZE(mx53_evk_pads));
67 mx53_evk_init_uart();
68}
69
70static void __init mx53_evk_timer_init(void)
71{
72 mx53_clocks_init(32768, 24000000, 22579200, 0);
73}
74
75static struct sys_timer mx53_evk_timer = {
76 .init = mx53_evk_timer_init,
77};
78
79MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board")
80 .map_io = mx53_map_io,
81 .init_irq = mx53_init_irq,
82 .init_machine = mx53_evk_board_init,
83 .timer = &mx53_evk_timer,
84MACHINE_END