Add KZM-ARM11-01 support

Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

3 files changed, 277 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 0177b8a..ea8ed10 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -103,4 +103,12 @@ config MACH_MX35_3DS
 	help
 	  Include support for MX35PDK platform. This includes specific
 	  configurations for the board and its peripherals.
+
+config MACH_KZM_ARM11_01
+	bool "Support KZM-ARM11-01(Kyoto Microcomputer)"
+	select ARCH_MX31
+	help
+	  Include support for KZM-ARM11-01. This includes specific
+	  configurations for the board and its peripherals.
+
 endif
diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index 940035c..93c7b29 100644
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -19,3 +19,4 @@ obj-$(CONFIG_MACH_QONG)		+= qong.o
 obj-$(CONFIG_MACH_PCM043)	+= pcm043.o
 obj-$(CONFIG_MACH_ARMADILLO5X0) += armadillo5x0.o
 obj-$(CONFIG_MACH_MX35_3DS)	+= mx35pdk.o
+obj-$(CONFIG_MACH_KZM_ARM11_01)	+= kzmarm11.o
diff --git a/arch/arm/mach-mx3/kzmarm11.c b/arch/arm/mach-mx3/kzmarm11.c
new file mode 100644
index 0000000..6fa99ce
--- /dev/null
+++ b/arch/arm/mach-mx3/kzmarm11.c
@@ -0,0 +1,268 @@
+/*
+ * 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	= CS5_BASE_ADDR,
+		.end	= 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	= CS4_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
+		.length		= CS4_SIZE,
+		.type		= MT_DEVICE
+	},
+	{
+		.virtual	= CS5_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(CS5_BASE_ADDR),
+		.length		= 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        = AIPS1_BASE_ADDR,
+	.io_pg_offst    = ((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