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kernel-fxtec-pro1x/arch/arm/mach-mx3/kzmarm11.c
Uwe Kleine-König f568dd7f58 imx/mach-mx3: use constants namespaced by the corresponding SOC (easy part) 
This just leaves cpu.c, devices.c and mm.c to clean up.  As these files
are used on more than one SOC they need some more work.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Alberto Panizzo <maramaopercheseimorto@gmail.com>
Cc: Valentin Longchamp <valentin.longchamp@epfl.ch>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Guennadi Liakhovetski <lg@denx.de>
Cc: Yoichi Yuasa <yuasa@linux-mips.org>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Magnus Lilja <lilja.magnus@gmail.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Harro Haan <hrhaan@yahoo.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Luotao Fu <l.fu@pengutronix.de>
Cc: Ilya Yanok <yanok@emcraft.com>
2010-01-05 10:10:07 +01:00

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6.6 KiB
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/*
* KZM-ARM11-01 support
* Copyright (C) 2009 Yoichi Yuasa <yuasa@linux-mips.org>
*
* based on code for MX31ADS,
* Copyright (C) 2000 Deep Blue Solutions Ltd
* Copyright (C) 2002 Shane Nay (shane@minirl.com)
* Copyright 2005-2007 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/gpio.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <linux/smsc911x.h>
#include <linux/types.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/setup.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/board-kzmarm11.h>
#include <mach/clock.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/memory.h>
#include "devices.h"
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/*
* KZM-ARM11-01 has an external UART on FPGA
*/
static struct plat_serial8250_port serial_platform_data[] = {
{
.membase = IO_ADDRESS(KZM_ARM11_16550),
.mapbase = KZM_ARM11_16550,
.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
.irqflags = IRQ_TYPE_EDGE_RISING,
.uartclk = 14745600,
.regshift = 0,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_BUGGY_UART,
},
{},
};
static struct resource serial8250_resources[] = {
{
.start = KZM_ARM11_16550,
.end = KZM_ARM11_16550 + 0x10,
.flags = IORESOURCE_MEM,
},
{
.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = serial_platform_data,
},
.num_resources = ARRAY_SIZE(serial8250_resources),
.resource = serial8250_resources,
};
static int __init kzm_init_ext_uart(void)
{
u8 tmp;
/*
* GPIO 1-1: external UART interrupt line
*/
mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO));
gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "ext-uart-int");
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1));
/*
* Unmask UART interrupt
*/
tmp = __raw_readb(IO_ADDRESS(KZM_ARM11_CTL1));
tmp |= 0x2;
__raw_writeb(tmp, IO_ADDRESS(KZM_ARM11_CTL1));
return platform_device_register(&serial_device);
}
#else
static inline int kzm_init_ext_uart(void)
{
return 0;
}
#endif
/*
* SMSC LAN9118
*/
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
static struct smsc911x_platform_config kzm_smsc9118_config = {
.phy_interface = PHY_INTERFACE_MODE_MII,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
};
static struct resource kzm_smsc9118_resources[] = {
{
.start = MX31_CS5_BASE_ADDR,
.end = MX31_CS5_BASE_ADDR + SZ_128K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
.end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_2),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
static struct platform_device kzm_smsc9118_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(kzm_smsc9118_resources),
.resource = kzm_smsc9118_resources,
.dev = {
.platform_data = &kzm_smsc9118_config,
},
};
static int __init kzm_init_smsc9118(void)
{
/*
* GPIO 1-2: SMSC9118 interrupt line
*/
mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO));
gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2), "smsc9118-int");
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_2));
return platform_device_register(&kzm_smsc9118_device);
}
#else
static inline int kzm_init_smsc9118(void)
{
return 0;
}
#endif
#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
static struct imxuart_platform_data uart_pdata = {
.flags = IMXUART_HAVE_RTSCTS,
};
static void __init kzm_init_imx_uart(void)
{
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_uart_device1, &uart_pdata);
}
#else
static inline void kzm_init_imx_uart(void)
{
}
#endif
static int kzm_pins[] __initdata = {
MX31_PIN_CTS1__CTS1,
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
MX31_PIN_DCD_DCE1__DCD_DCE1,
MX31_PIN_RI_DCE1__RI_DCE1,
MX31_PIN_DSR_DCE1__DSR_DCE1,
MX31_PIN_DTR_DCE1__DTR_DCE1,
MX31_PIN_CTS2__CTS2,
MX31_PIN_RTS2__RTS2,
MX31_PIN_TXD2__TXD2,
MX31_PIN_RXD2__RXD2,
MX31_PIN_DCD_DTE1__DCD_DTE2,
MX31_PIN_RI_DTE1__RI_DTE2,
MX31_PIN_DSR_DTE1__DSR_DTE2,
MX31_PIN_DTR_DTE1__DTR_DTE2,
};
/*
* Board specific initialization.
*/
static void __init kzm_board_init(void)
{
mxc_iomux_setup_multiple_pins(kzm_pins,
ARRAY_SIZE(kzm_pins), "kzm");
kzm_init_ext_uart();
kzm_init_smsc9118();
kzm_init_imx_uart();
pr_info("Clock input source is 26MHz\n");
}
/*
* This structure defines static mappings for the kzm-arm11-01 board.
*/
static struct map_desc kzm_io_desc[] __initdata = {
{
.virtual = MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
.length = MX31_CS4_SIZE,
.type = MT_DEVICE
},
{
.virtual = MX31_CS5_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
.length = MX31_CS5_SIZE,
.type = MT_DEVICE
},
};
/*
* Set up static virtual mappings.
*/
static void __init kzm_map_io(void)
{
mx31_map_io();
iotable_init(kzm_io_desc, ARRAY_SIZE(kzm_io_desc));
}
static void __init kzm_timer_init(void)
{
mx31_clocks_init(26000000);
}
static struct sys_timer kzm_timer = {
.init = kzm_timer_init,
};
/*
* The following uses standard kernel macros define in arch.h in order to
* initialize __mach_desc_KZM_ARM11_01 data structure.
*/
MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
.phys_io = MX31_AIPS1_BASE_ADDR,
.io_pg_offst = ((MX31_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = kzm_map_io,
.init_irq = mx31_init_irq,
.init_machine = kzm_board_init,
.timer = &kzm_timer,
MACHINE_END
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