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author | Yong Shen <yong.shen@linaro.org> | 2011-01-04 06:22:56 (GMT) |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-04 11:00:23 (GMT) |
commit | a58154d1c3535f451a409abbd0bda6770b2d9380 (patch) | |
tree | 695c321719b7c13e5c55b4a857c2bc99d66023f2 /arch/arm/mach-mx5/board-mx53_evk.c | |
parent | 644b1d586d6670262501057ae99d893fadb012de (diff) | |
download | linux-a58154d1c3535f451a409abbd0bda6770b2d9380.tar.xz |
ARM i.MX53: Make MX53 EVK bootable
1. Add entries to Kconfig
2. Add machine definition
3. Add Uart platform data, pad setting and base address
4. Adjust GPIO irq number
Signed-off-by: Yong Shen <yong.shen@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5/board-mx53_evk.c')
-rw-r--r-- | arch/arm/mach-mx5/board-mx53_evk.c | 84 |
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 new file mode 100644 index 0000000..fa97d0d --- /dev/null +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/init.h> +#include <linux/clk.h> +#include <mach/common.h> +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx53.h> + +#include "crm_regs.h" +#include "devices-imx53.h" + +static iomux_v3_cfg_t mx53_evk_pads[] = { + MX53_PAD_CSI0_D10__UART1_TXD, + MX53_PAD_CSI0_D11__UART1_RXD, + MX53_PAD_ATA_DIOW__UART1_TXD, + MX53_PAD_ATA_DMACK__UART1_RXD, + + MX53_PAD_ATA_BUFFER_EN__UART2_RXD, + MX53_PAD_ATA_DMARQ__UART2_TXD, + MX53_PAD_ATA_DIOR__UART2_RTS, + MX53_PAD_ATA_INTRQ__UART2_CTS, + + MX53_PAD_ATA_CS_0__UART3_TXD, + MX53_PAD_ATA_CS_1__UART3_RXD, + MX53_PAD_ATA_DA_1__UART3_CTS, + MX53_PAD_ATA_DA_2__UART3_RTS, +}; + +static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static inline void mx53_evk_init_uart(void) +{ + imx53_add_imx_uart(0, &mx53_evk_uart_pdata); + imx53_add_imx_uart(1, &mx53_evk_uart_pdata); + imx53_add_imx_uart(2, &mx53_evk_uart_pdata); +} + +static void __init mx53_evk_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, + ARRAY_SIZE(mx53_evk_pads)); + mx53_evk_init_uart(); +} + +static void __init mx53_evk_timer_init(void) +{ + mx53_clocks_init(32768, 24000000, 22579200, 0); +} + +static struct sys_timer mx53_evk_timer = { + .init = mx53_evk_timer_init, +}; + +MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board") + .map_io = mx53_map_io, + .init_irq = mx53_init_irq, + .init_machine = mx53_evk_board_init, + .timer = &mx53_evk_timer, +MACHINE_END |