359 lines
8.5 KiB
C
359 lines
8.5 KiB
C
/*
|
|
* armadillo5x0.c
|
|
*
|
|
* Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
|
|
* updates in http://alberdroid.blogspot.com/
|
|
*
|
|
* Based on Atmark Techno, Inc. armadillo 500 BSP 2008
|
|
* Based on mx31ads.c and pcm037.c Great Work!
|
|
*
|
|
* 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/types.h>
|
|
#include <linux/init.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/smsc911x.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/iomux-mx3.h>
|
|
#include <mach/board-armadillo5x0.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/ipu.h>
|
|
#include <mach/mx3fb.h>
|
|
#include <mach/mxc_nand.h>
|
|
|
|
#include "devices.h"
|
|
#include "crm_regs.h"
|
|
|
|
static int armadillo5x0_pins[] = {
|
|
/* UART1 */
|
|
MX31_PIN_CTS1__CTS1,
|
|
MX31_PIN_RTS1__RTS1,
|
|
MX31_PIN_TXD1__TXD1,
|
|
MX31_PIN_RXD1__RXD1,
|
|
/* UART2 */
|
|
MX31_PIN_CTS2__CTS2,
|
|
MX31_PIN_RTS2__RTS2,
|
|
MX31_PIN_TXD2__TXD2,
|
|
MX31_PIN_RXD2__RXD2,
|
|
/* LAN9118_IRQ */
|
|
IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
|
|
/* SDHC1 */
|
|
MX31_PIN_SD1_DATA3__SD1_DATA3,
|
|
MX31_PIN_SD1_DATA2__SD1_DATA2,
|
|
MX31_PIN_SD1_DATA1__SD1_DATA1,
|
|
MX31_PIN_SD1_DATA0__SD1_DATA0,
|
|
MX31_PIN_SD1_CLK__SD1_CLK,
|
|
MX31_PIN_SD1_CMD__SD1_CMD,
|
|
/* Framebuffer */
|
|
MX31_PIN_LD0__LD0,
|
|
MX31_PIN_LD1__LD1,
|
|
MX31_PIN_LD2__LD2,
|
|
MX31_PIN_LD3__LD3,
|
|
MX31_PIN_LD4__LD4,
|
|
MX31_PIN_LD5__LD5,
|
|
MX31_PIN_LD6__LD6,
|
|
MX31_PIN_LD7__LD7,
|
|
MX31_PIN_LD8__LD8,
|
|
MX31_PIN_LD9__LD9,
|
|
MX31_PIN_LD10__LD10,
|
|
MX31_PIN_LD11__LD11,
|
|
MX31_PIN_LD12__LD12,
|
|
MX31_PIN_LD13__LD13,
|
|
MX31_PIN_LD14__LD14,
|
|
MX31_PIN_LD15__LD15,
|
|
MX31_PIN_LD16__LD16,
|
|
MX31_PIN_LD17__LD17,
|
|
MX31_PIN_VSYNC3__VSYNC3,
|
|
MX31_PIN_HSYNC__HSYNC,
|
|
MX31_PIN_FPSHIFT__FPSHIFT,
|
|
MX31_PIN_DRDY0__DRDY0,
|
|
IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
|
|
};
|
|
|
|
/*
|
|
* NAND Flash
|
|
*/
|
|
static struct mxc_nand_platform_data armadillo5x0_nand_flash_pdata = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
};
|
|
|
|
/*
|
|
* MTD NOR Flash
|
|
*/
|
|
static struct mtd_partition armadillo5x0_nor_flash_partitions[] = {
|
|
{
|
|
.name = "nor.bootloader",
|
|
.offset = 0x00000000,
|
|
.size = 4*32*1024,
|
|
}, {
|
|
.name = "nor.kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 16*128*1024,
|
|
}, {
|
|
.name = "nor.userland",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 110*128*1024,
|
|
}, {
|
|
.name = "nor.config",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = 1*128*1024,
|
|
},
|
|
};
|
|
|
|
static struct physmap_flash_data armadillo5x0_nor_flash_pdata = {
|
|
.width = 2,
|
|
.parts = armadillo5x0_nor_flash_partitions,
|
|
.nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions),
|
|
};
|
|
|
|
static struct resource armadillo5x0_nor_flash_resource = {
|
|
.flags = IORESOURCE_MEM,
|
|
.start = CS0_BASE_ADDR,
|
|
.end = CS0_BASE_ADDR + SZ_64M - 1,
|
|
};
|
|
|
|
static struct platform_device armadillo5x0_nor_flash = {
|
|
.name = "physmap-flash",
|
|
.id = -1,
|
|
.num_resources = 1,
|
|
.resource = &armadillo5x0_nor_flash_resource,
|
|
};
|
|
|
|
/*
|
|
* FB support
|
|
*/
|
|
static const struct fb_videomode fb_modedb[] = {
|
|
{ /* 640x480 @ 60 Hz */
|
|
.name = "CRT-VGA",
|
|
.refresh = 60,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.pixclock = 39721,
|
|
.left_margin = 35,
|
|
.right_margin = 115,
|
|
.upper_margin = 43,
|
|
.lower_margin = 1,
|
|
.hsync_len = 10,
|
|
.vsync_len = 1,
|
|
.sync = FB_SYNC_OE_ACT_HIGH,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
.flag = 0,
|
|
}, {/* 800x600 @ 56 Hz */
|
|
.name = "CRT-SVGA",
|
|
.refresh = 56,
|
|
.xres = 800,
|
|
.yres = 600,
|
|
.pixclock = 30000,
|
|
.left_margin = 30,
|
|
.right_margin = 108,
|
|
.upper_margin = 13,
|
|
.lower_margin = 10,
|
|
.hsync_len = 10,
|
|
.vsync_len = 1,
|
|
.sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
|
|
FB_SYNC_VERT_HIGH_ACT,
|
|
.vmode = FB_VMODE_NONINTERLACED,
|
|
.flag = 0,
|
|
},
|
|
};
|
|
|
|
static struct ipu_platform_data mx3_ipu_data = {
|
|
.irq_base = MXC_IPU_IRQ_START,
|
|
};
|
|
|
|
static struct mx3fb_platform_data mx3fb_pdata = {
|
|
.dma_dev = &mx3_ipu.dev,
|
|
.name = "CRT-VGA",
|
|
.mode = fb_modedb,
|
|
.num_modes = ARRAY_SIZE(fb_modedb),
|
|
};
|
|
|
|
/*
|
|
* SDHC 1
|
|
* MMC support
|
|
*/
|
|
static int armadillo5x0_sdhc1_get_ro(struct device *dev)
|
|
{
|
|
return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
|
|
}
|
|
|
|
static int armadillo5x0_sdhc1_init(struct device *dev,
|
|
irq_handler_t detect_irq, void *data)
|
|
{
|
|
int ret;
|
|
int gpio_det, gpio_wp;
|
|
|
|
gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
|
|
gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);
|
|
|
|
ret = gpio_request(gpio_det, "sdhc-card-detect");
|
|
if (ret)
|
|
return ret;
|
|
|
|
gpio_direction_input(gpio_det);
|
|
|
|
ret = gpio_request(gpio_wp, "sdhc-write-protect");
|
|
if (ret)
|
|
goto err_gpio_free;
|
|
|
|
gpio_direction_input(gpio_wp);
|
|
|
|
/* When supported the trigger type have to be BOTH */
|
|
ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq,
|
|
IRQF_DISABLED | IRQF_TRIGGER_FALLING,
|
|
"sdhc-detect", data);
|
|
|
|
if (ret)
|
|
goto err_gpio_free_2;
|
|
|
|
return 0;
|
|
|
|
err_gpio_free_2:
|
|
gpio_free(gpio_wp);
|
|
|
|
err_gpio_free:
|
|
gpio_free(gpio_det);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
|
|
{
|
|
free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data);
|
|
gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
|
|
gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
|
|
}
|
|
|
|
static struct imxmmc_platform_data sdhc_pdata = {
|
|
.get_ro = armadillo5x0_sdhc1_get_ro,
|
|
.init = armadillo5x0_sdhc1_init,
|
|
.exit = armadillo5x0_sdhc1_exit,
|
|
};
|
|
|
|
/*
|
|
* SMSC 9118
|
|
* Network support
|
|
*/
|
|
static struct resource armadillo5x0_smc911x_resources[] = {
|
|
{
|
|
.start = CS3_BASE_ADDR,
|
|
.end = CS3_BASE_ADDR + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
|
|
.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
|
|
},
|
|
};
|
|
|
|
static struct smsc911x_platform_config smsc911x_info = {
|
|
.flags = SMSC911X_USE_32BIT,
|
|
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
|
|
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
|
|
};
|
|
|
|
static struct platform_device armadillo5x0_smc911x_device = {
|
|
.name = "smsc911x",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources),
|
|
.resource = armadillo5x0_smc911x_resources,
|
|
.dev = {
|
|
.platform_data = &smsc911x_info,
|
|
},
|
|
};
|
|
|
|
/* UART device data */
|
|
static struct imxuart_platform_data uart_pdata = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&armadillo5x0_smc911x_device,
|
|
};
|
|
|
|
/*
|
|
* Perform board specific initializations
|
|
*/
|
|
static void __init armadillo5x0_init(void)
|
|
{
|
|
mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
|
|
ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
/* Register UART */
|
|
mxc_register_device(&mxc_uart_device0, &uart_pdata);
|
|
mxc_register_device(&mxc_uart_device1, &uart_pdata);
|
|
|
|
/* SMSC9118 IRQ pin */
|
|
gpio_direction_input(MX31_PIN_GPIO1_0);
|
|
|
|
/* Register SDHC */
|
|
mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
|
|
|
|
/* Register FB */
|
|
mxc_register_device(&mx3_ipu, &mx3_ipu_data);
|
|
mxc_register_device(&mx3_fb, &mx3fb_pdata);
|
|
|
|
/* Register NOR Flash */
|
|
mxc_register_device(&armadillo5x0_nor_flash,
|
|
&armadillo5x0_nor_flash_pdata);
|
|
|
|
/* Register NAND Flash */
|
|
mxc_register_device(&mxc_nand_device, &armadillo5x0_nand_flash_pdata);
|
|
|
|
/* set NAND page size to 2k if not configured via boot mode pins */
|
|
__raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
|
|
}
|
|
|
|
static void __init armadillo5x0_timer_init(void)
|
|
{
|
|
mx31_clocks_init(26000000);
|
|
}
|
|
|
|
static struct sys_timer armadillo5x0_timer = {
|
|
.init = armadillo5x0_timer_init,
|
|
};
|
|
|
|
MACHINE_START(ARMADILLO5X0, "Armadillo-500")
|
|
/* Maintainer: Alberto Panizzo */
|
|
.phys_io = AIPS1_BASE_ADDR,
|
|
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
|
.boot_params = PHYS_OFFSET + 0x00000100,
|
|
.map_io = mx31_map_io,
|
|
.init_irq = mx31_init_irq,
|
|
.timer = &armadillo5x0_timer,
|
|
.init_machine = armadillo5x0_init,
|
|
MACHINE_END
|