+/*
+ * 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
projects / mv-sheeva.git / commitdiff