linux/arch/arm/mach-pxa/capc7117.c

160 lines
3.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-pxa/capc7117.c
*
* Support for the Embedian CAPC-7117 Evaluation Kit
* based on the Embedian MXM-8x10 Computer on Module
*
* Copyright (C) 2009 Embedian Inc.
* Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
*
* 2007-09-04: eric miao <eric.y.miao@gmail.com>
* rewrite to align with latest kernel
*
* 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
* Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
* rework for upstream merge
*/
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/serial_8250.h>
#include <linux/gpio.h>
#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "pxa320.h"
#include "mxm8x10.h"
#include "generic.h"
/* IDE (PATA) Support */
static struct pata_platform_info pata_platform_data = {
.ioport_shift = 1
};
static struct resource capc7117_ide_resources[] = {
[0] = {
.start = 0x11000020,
.end = 0x1100003f,
.flags = IORESOURCE_MEM
},
[1] = {
.start = 0x1100001c,
.end = 0x1100001c,
.flags = IORESOURCE_MEM
},
[2] = {
.start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
.end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
}
};
static struct platform_device capc7117_ide_device = {
.name = "pata_platform",
.num_resources = ARRAY_SIZE(capc7117_ide_resources),
.resource = capc7117_ide_resources,
.dev = {
.platform_data = &pata_platform_data,
.coherent_dma_mask = ~0 /* grumble */
}
};
static void __init capc7117_ide_init(void)
{
platform_device_register(&capc7117_ide_device);
}
/* TI16C752 UART support */
#define TI16C752_FLAGS (UPF_BOOT_AUTOCONF | \
UPF_IOREMAP | \
UPF_BUGGY_UART | \
UPF_SKIP_TEST)
#define TI16C752_UARTCLK (22118400)
static struct plat_serial8250_port ti16c752_platform_data[] = {
[0] = {
.mapbase = 0x14000000,
.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
.irqflags = IRQF_TRIGGER_RISING,
.flags = TI16C752_FLAGS,
.iotype = UPIO_MEM,
.regshift = 1,
.uartclk = TI16C752_UARTCLK
},
[1] = {
.mapbase = 0x14000040,
.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
.irqflags = IRQF_TRIGGER_RISING,
.flags = TI16C752_FLAGS,
.iotype = UPIO_MEM,
.regshift = 1,
.uartclk = TI16C752_UARTCLK
},
[2] = {
.mapbase = 0x14000080,
.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
.irqflags = IRQF_TRIGGER_RISING,
.flags = TI16C752_FLAGS,
.iotype = UPIO_MEM,
.regshift = 1,
.uartclk = TI16C752_UARTCLK
},
[3] = {
.mapbase = 0x140000c0,
.irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
.irqflags = IRQF_TRIGGER_RISING,
.flags = TI16C752_FLAGS,
.iotype = UPIO_MEM,
.regshift = 1,
.uartclk = TI16C752_UARTCLK
},
[4] = {
/* end of array */
}
};
static struct platform_device ti16c752_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = ti16c752_platform_data
}
};
static void __init capc7117_uarts_init(void)
{
platform_device_register(&ti16c752_device);
}
static void __init capc7117_init(void)
{
/* Init CoM */
mxm_8x10_barebones_init();
/* Init evaluation board peripherals */
mxm_8x10_ac97_init();
mxm_8x10_usb_host_init();
mxm_8x10_mmc_init();
capc7117_uarts_init();
capc7117_ide_init();
regulator_has_full_constraints();
}
MACHINE_START(CAPC7117,
"Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
.atag_offset = 0x100,
.map_io = pxa3xx_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa3xx_init_irq,
.handle_irq = pxa3xx_handle_irq,
.init_time = pxa_timer_init,
.init_machine = capc7117_init,
.restart = pxa_restart,
MACHINE_END