summary refs log tree commit diff
path: root/arch/arm/mach-imx/mach-mx21ads.c
diff options
context:
space:
mode:
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-06-10 15:11:13 +0200
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-06-24 15:40:38 +0200
commitd109167b9c1002770d194644d5580a1f3588f7fc (patch)
tree0cbc6fc238b6ce639080a9bf1971c813534d8777 /arch/arm/mach-imx/mach-mx21ads.c
parentf1d4cbef18999548ade1007bfb63cc1fa69c385e (diff)
downloadlinux-d109167b9c1002770d194644d5580a1f3588f7fc.tar.gz
ARM: imx: rename mach dir for mx21 and mx27 to mach-imx
Finally all imx code should end up there, start with mach-mx2.  While
touching all files rename some files to use a hyphen instead of an
underscore.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/mach-mx21ads.c')
-rw-r--r--arch/arm/mach-imx/mach-mx21ads.c328
1 files changed, 328 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
new file mode 100644
index 000000000000..99f2492991b4
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -0,0 +1,328 @@
+/*
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *  Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
+#include <linux/gpio.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 <asm/mach/map.h>
+#include <mach/imx-uart.h>
+#include <mach/imxfb.h>
+#include <mach/iomux-mx21.h>
+#include <mach/mxc_nand.h>
+#include <mach/mmc.h>
+
+#include "devices.h"
+
+/*
+ * Memory-mapped I/O on MX21ADS base board
+ */
+#define MX21ADS_MMIO_BASE_ADDR   0xf5000000
+#define MX21ADS_MMIO_SIZE        SZ_16M
+
+#define MX21ADS_REG_ADDR(offset)    (void __force __iomem *) \
+		(MX21ADS_MMIO_BASE_ADDR + (offset))
+
+#define MX21ADS_CS8900A_IRQ         IRQ_GPIOE(11)
+#define MX21ADS_CS8900A_IOBASE_REG  MX21ADS_REG_ADDR(0x000000)
+#define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000)
+#define MX21ADS_VERSION_REG         MX21ADS_REG_ADDR(0x400000)
+#define MX21ADS_IO_REG              MX21ADS_REG_ADDR(0x800000)
+
+/* MX21ADS_IO_REG bit definitions */
+#define MX21ADS_IO_SD_WP        0x0001 /* read */
+#define MX21ADS_IO_TP6          0x0001 /* write */
+#define MX21ADS_IO_SW_SEL       0x0002 /* read */
+#define MX21ADS_IO_TP7          0x0002 /* write */
+#define MX21ADS_IO_RESET_E_UART 0x0004
+#define MX21ADS_IO_RESET_BASE   0x0008
+#define MX21ADS_IO_CSI_CTL2     0x0010
+#define MX21ADS_IO_CSI_CTL1     0x0020
+#define MX21ADS_IO_CSI_CTL0     0x0040
+#define MX21ADS_IO_UART1_EN     0x0080
+#define MX21ADS_IO_UART4_EN     0x0100
+#define MX21ADS_IO_LCDON        0x0200
+#define MX21ADS_IO_IRDA_EN      0x0400
+#define MX21ADS_IO_IRDA_FIR_SEL 0x0800
+#define MX21ADS_IO_IRDA_MD0_B   0x1000
+#define MX21ADS_IO_IRDA_MD1     0x2000
+#define MX21ADS_IO_LED4_ON      0x4000
+#define MX21ADS_IO_LED3_ON      0x8000
+
+static unsigned int mx21ads_pins[] = {
+
+	/* CS8900A */
+	(GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11),
+
+	/* UART1 */
+	PE12_PF_UART1_TXD,
+	PE13_PF_UART1_RXD,
+	PE14_PF_UART1_CTS,
+	PE15_PF_UART1_RTS,
+
+	/* UART3 (IrDA) - only TXD and RXD */
+	PE8_PF_UART3_TXD,
+	PE9_PF_UART3_RXD,
+
+	/* UART4 */
+	PB26_AF_UART4_RTS,
+	PB28_AF_UART4_TXD,
+	PB29_AF_UART4_CTS,
+	PB31_AF_UART4_RXD,
+
+	/* LCDC */
+	PA5_PF_LSCLK,
+	PA6_PF_LD0,
+	PA7_PF_LD1,
+	PA8_PF_LD2,
+	PA9_PF_LD3,
+	PA10_PF_LD4,
+	PA11_PF_LD5,
+	PA12_PF_LD6,
+	PA13_PF_LD7,
+	PA14_PF_LD8,
+	PA15_PF_LD9,
+	PA16_PF_LD10,
+	PA17_PF_LD11,
+	PA18_PF_LD12,
+	PA19_PF_LD13,
+	PA20_PF_LD14,
+	PA21_PF_LD15,
+	PA22_PF_LD16,
+	PA24_PF_REV,     /* Sharp panel dedicated signal */
+	PA25_PF_CLS,     /* Sharp panel dedicated signal */
+	PA26_PF_PS,      /* Sharp panel dedicated signal */
+	PA27_PF_SPL_SPR, /* Sharp panel dedicated signal */
+	PA28_PF_HSYNC,
+	PA29_PF_VSYNC,
+	PA30_PF_CONTRAST,
+	PA31_PF_OE_ACD,
+
+	/* MMC/SDHC */
+	PE18_PF_SD1_D0,
+	PE19_PF_SD1_D1,
+	PE20_PF_SD1_D2,
+	PE21_PF_SD1_D3,
+	PE22_PF_SD1_CMD,
+	PE23_PF_SD1_CLK,
+
+	/* NFC */
+	PF0_PF_NRFB,
+	PF1_PF_NFCE,
+	PF2_PF_NFWP,
+	PF3_PF_NFCLE,
+	PF4_PF_NFALE,
+	PF5_PF_NFRE,
+	PF6_PF_NFWE,
+	PF7_PF_NFIO0,
+	PF8_PF_NFIO1,
+	PF9_PF_NFIO2,
+	PF10_PF_NFIO3,
+	PF11_PF_NFIO4,
+	PF12_PF_NFIO5,
+	PF13_PF_NFIO6,
+	PF14_PF_NFIO7,
+};
+
+/* ADS's NOR flash: 2x AM29BDS128HE9VKI on 32-bit bus */
+static struct physmap_flash_data mx21ads_flash_data = {
+	.width = 4,
+};
+
+static struct resource mx21ads_flash_resource = {
+	.start = MX21_CS0_BASE_ADDR,
+	.end = MX21_CS0_BASE_ADDR + 0x02000000 - 1,
+	.flags = IORESOURCE_MEM,
+};
+
+static struct platform_device mx21ads_nor_mtd_device = {
+	.name = "physmap-flash",
+	.id = 0,
+	.dev = {
+		.platform_data = &mx21ads_flash_data,
+	},
+	.num_resources = 1,
+	.resource = &mx21ads_flash_resource,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct imxuart_platform_data uart_norts_pdata = {
+};
+
+
+static int mx21ads_fb_init(struct platform_device *pdev)
+{
+	u16 tmp;
+
+	tmp = __raw_readw(MX21ADS_IO_REG);
+	tmp |= MX21ADS_IO_LCDON;
+	__raw_writew(tmp, MX21ADS_IO_REG);
+	return 0;
+}
+
+static void mx21ads_fb_exit(struct platform_device *pdev)
+{
+	u16 tmp;
+
+	tmp = __raw_readw(MX21ADS_IO_REG);
+	tmp &= ~MX21ADS_IO_LCDON;
+	__raw_writew(tmp, MX21ADS_IO_REG);
+}
+
+/*
+ * Connected is a portrait Sharp-QVGA display
+ * of type: LQ035Q7DB02
+ */
+static struct imx_fb_videomode mx21ads_modes[] = {
+	{
+		.mode = {
+			.name		= "Sharp-LQ035Q7",
+			.refresh	= 60,
+			.xres		= 240,
+			.yres		= 320,
+			.pixclock	= 188679, /* in ps (5.3MHz) */
+			.hsync_len	= 2,
+			.left_margin	= 6,
+			.right_margin	= 16,
+			.vsync_len	= 1,
+			.upper_margin	= 8,
+			.lower_margin	= 10,
+		},
+		.pcr		= 0xfb108bc7,
+		.bpp		= 16,
+	},
+};
+
+static struct imx_fb_platform_data mx21ads_fb_data = {
+	.mode = mx21ads_modes,
+	.num_modes = ARRAY_SIZE(mx21ads_modes),
+
+	.pwmr		= 0x00a903ff,
+	.lscr1		= 0x00120300,
+	.dmacr		= 0x00020008,
+
+	.init = mx21ads_fb_init,
+	.exit = mx21ads_fb_exit,
+};
+
+static int mx21ads_sdhc_get_ro(struct device *dev)
+{
+	return (__raw_readw(MX21ADS_IO_REG) & MX21ADS_IO_SD_WP) ? 1 : 0;
+}
+
+static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq,
+	void *data)
+{
+	int ret;
+
+	ret = request_irq(IRQ_GPIOD(25), detect_irq,
+		IRQF_TRIGGER_FALLING, "mmc-detect", data);
+	if (ret)
+		goto out;
+	return 0;
+out:
+	return ret;
+}
+
+static void mx21ads_sdhc_exit(struct device *dev, void *data)
+{
+	free_irq(IRQ_GPIOD(25), data);
+}
+
+static struct imxmmc_platform_data mx21ads_sdhc_pdata = {
+	.ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */
+	.get_ro = mx21ads_sdhc_get_ro,
+	.init = mx21ads_sdhc_init,
+	.exit = mx21ads_sdhc_exit,
+};
+
+static struct mxc_nand_platform_data mx21ads_nand_board_info = {
+	.width = 1,
+	.hw_ecc = 1,
+};
+
+static struct map_desc mx21ads_io_desc[] __initdata = {
+	/*
+	 * Memory-mapped I/O on MX21ADS Base board:
+	 *   - CS8900A Ethernet controller
+	 *   - ST16C2552CJ UART
+	 *   - CPU and Base board version
+	 *   - Base board I/O register
+	 */
+	{
+		.virtual = MX21ADS_MMIO_BASE_ADDR,
+		.pfn = __phys_to_pfn(MX21_CS1_BASE_ADDR),
+		.length = MX21ADS_MMIO_SIZE,
+		.type = MT_DEVICE,
+	},
+};
+
+static void __init mx21ads_map_io(void)
+{
+	mx21_map_io();
+	iotable_init(mx21ads_io_desc, ARRAY_SIZE(mx21ads_io_desc));
+}
+
+static struct platform_device *platform_devices[] __initdata = {
+	&mx21ads_nor_mtd_device,
+};
+
+static void __init mx21ads_board_init(void)
+{
+	mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins),
+			"mx21ads");
+
+	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+	mxc_register_device(&mxc_uart_device2, &uart_norts_pdata);
+	mxc_register_device(&mxc_uart_device3, &uart_pdata);
+	mxc_register_device(&mxc_fb_device, &mx21ads_fb_data);
+	mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
+	mxc_register_device(&imx21_nand_device, &mx21ads_nand_board_info);
+
+	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+}
+
+static void __init mx21ads_timer_init(void)
+{
+	mx21_clocks_init(32768, 26000000);
+}
+
+static struct sys_timer mx21ads_timer = {
+	.init	= mx21ads_timer_init,
+};
+
+MACHINE_START(MX21ADS, "Freescale i.MX21ADS")
+	/* maintainer: Freescale Semiconductor, Inc. */
+	.phys_io        = MX21_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX21_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX21_PHYS_OFFSET + 0x100,
+	.map_io         = mx21ads_map_io,
+	.init_irq       = mx21_init_irq,
+	.init_machine   = mx21ads_board_init,
+	.timer          = &mx21ads_timer,
+MACHINE_END