mirror of
https://github.com/adulau/aha.git
synced 2024-12-29 12:16:20 +00:00
dbff4e9ea2
This patch removes the statically initialized tables from the i.MX serial driver and makes the driver fully dependent on the information provided by the platform_device. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
180 lines
3.8 KiB
C
180 lines
3.8 KiB
C
/*
|
|
* arch/arm/mach-imx/mx1ads.c
|
|
*
|
|
* Initially based on:
|
|
* linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
|
|
* Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
|
|
*
|
|
* 2004 (c) MontaVista Software, Inc.
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <asm/system.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/page.h>
|
|
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/arch/mmc.h>
|
|
#include <asm/arch/imx-uart.h>
|
|
#include <linux/interrupt.h>
|
|
#include "generic.h"
|
|
|
|
static struct resource cs89x0_resources[] = {
|
|
[0] = {
|
|
.start = IMX_CS4_PHYS + 0x300,
|
|
.end = IMX_CS4_PHYS + 0x300 + 16,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_GPIOC(17),
|
|
.end = IRQ_GPIOC(17),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device cs89x0_device = {
|
|
.name = "cirrus-cs89x0",
|
|
.num_resources = ARRAY_SIZE(cs89x0_resources),
|
|
.resource = cs89x0_resources,
|
|
};
|
|
|
|
static struct imxuart_platform_data uart_pdata = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static struct resource imx_uart1_resources[] = {
|
|
[0] = {
|
|
.start = 0x00206000,
|
|
.end = 0x002060FF,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = (UART1_MINT_RX),
|
|
.end = (UART1_MINT_RX),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = (UART1_MINT_TX),
|
|
.end = (UART1_MINT_TX),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[3] = {
|
|
.start = UART1_MINT_RTS,
|
|
.end = UART1_MINT_RTS,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device imx_uart1_device = {
|
|
.name = "imx-uart",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(imx_uart1_resources),
|
|
.resource = imx_uart1_resources,
|
|
.dev = {
|
|
.platform_data = &uart_pdata,
|
|
}
|
|
};
|
|
|
|
static struct resource imx_uart2_resources[] = {
|
|
[0] = {
|
|
.start = 0x00207000,
|
|
.end = 0x002070FF,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = (UART2_MINT_RX),
|
|
.end = (UART2_MINT_RX),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = (UART2_MINT_TX),
|
|
.end = (UART2_MINT_TX),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[3] = {
|
|
.start = UART2_MINT_RTS,
|
|
.end = UART2_MINT_RTS,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device imx_uart2_device = {
|
|
.name = "imx-uart",
|
|
.id = 1,
|
|
.num_resources = ARRAY_SIZE(imx_uart2_resources),
|
|
.resource = imx_uart2_resources,
|
|
.dev = {
|
|
.platform_data = &uart_pdata,
|
|
}
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&cs89x0_device,
|
|
&imx_uart1_device,
|
|
&imx_uart2_device,
|
|
};
|
|
|
|
#ifdef CONFIG_MMC_IMX
|
|
static int mx1ads_mmc_card_present(struct device *dev)
|
|
{
|
|
/* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
|
|
return (SSR(1) & (1 << 20) ? 0 : 1);
|
|
}
|
|
|
|
static struct imxmmc_platform_data mx1ads_mmc_info = {
|
|
.card_present = mx1ads_mmc_card_present,
|
|
};
|
|
#endif
|
|
|
|
static void __init
|
|
mx1ads_init(void)
|
|
{
|
|
#ifdef CONFIG_LEDS
|
|
imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
|
|
#endif
|
|
#ifdef CONFIG_MMC_IMX
|
|
/* SD/MMC card detect */
|
|
imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
|
|
imx_set_mmc_info(&mx1ads_mmc_info);
|
|
#endif
|
|
|
|
imx_gpio_mode(PC9_PF_UART1_CTS);
|
|
imx_gpio_mode(PC10_PF_UART1_RTS);
|
|
imx_gpio_mode(PC11_PF_UART1_TXD);
|
|
imx_gpio_mode(PC12_PF_UART1_RXD);
|
|
|
|
imx_gpio_mode(PB28_PF_UART2_CTS);
|
|
imx_gpio_mode(PB29_PF_UART2_RTS);
|
|
imx_gpio_mode(PB30_PF_UART2_TXD);
|
|
imx_gpio_mode(PB31_PF_UART2_RXD);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
static void __init
|
|
mx1ads_map_io(void)
|
|
{
|
|
imx_map_io();
|
|
}
|
|
|
|
MACHINE_START(MX1ADS, "Motorola MX1ADS")
|
|
/* Maintainer: Sascha Hauer, Pengutronix */
|
|
.phys_io = 0x00200000,
|
|
.io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
|
|
.boot_params = 0x08000100,
|
|
.map_io = mx1ads_map_io,
|
|
.init_irq = imx_init_irq,
|
|
.timer = &imx_timer,
|
|
.init_machine = mx1ads_init,
|
|
MACHINE_END
|