1 files changed, 153 insertions, 0 deletions

diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
new file mode 100644
index 000000000000..e77c86efd21d
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -0,0 +1,153 @@
+/*
+ * arch/arm/mach-ixp4xx/gtwx5715-setup.c
+ *
+ * Gemtek GTWX5715 (Linksys WRV54G) board settup
+ *
+ * Copyright (C) 2004 George T. Joseph
+ * Derived from Coyote
+ *
+ * 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/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/arch/gtwx5715.h>
+
+/*
+ * Xscale UART registers are 32 bits wide with only the least
+ * significant 8 bits having any meaning.  From a configuration
+ * perspective, this means 2 things...
+ *
+ *   Setting .regshift = 2 so that the standard 16550 registers
+ *   line up on every 4th byte.
+ *
+ *   Shifting the register start virtual address +3 bytes when
+ *   compiled big-endian.  Since register writes are done on a
+ *   single byte basis, if the shift isn't done the driver will
+ *   write the value into the most significant byte of the register,
+ *   which is ignored, instead of the least significant.
+ */
+
+#ifdef  __ARMEB__
+#define REG_OFFSET      3
+#else
+#define REG_OFFSET      0
+#endif
+
+/*
+ * Only the second or "console" uart is connected on the gtwx5715.
+ */
+
+static struct resource gtwx5715_uart_resources[] = {
+        {
+                .start  = IXP4XX_UART2_BASE_PHYS,
+                .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_IXP4XX_UART2,
+                .end    = IRQ_IXP4XX_UART2,
+                .flags  = IORESOURCE_IRQ,
+        },
+        { },
+};
+
+
+static struct plat_serial8250_port gtwx5715_uart_platform_data[] = {
+        {
+        .mapbase        = IXP4XX_UART2_BASE_PHYS,
+        .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+        .irq            = IRQ_IXP4XX_UART2,
+        .flags          = UPF_BOOT_AUTOCONF,
+        .iotype         = UPIO_MEM,
+        .regshift       = 2,
+        .uartclk        = IXP4XX_UART_XTAL,
+        },
+        { },
+};
+
+static struct platform_device gtwx5715_uart_device = {
+        .name           = "serial8250",
+        .id             = 0,
+        .dev                    = {
+                .platform_data  = gtwx5715_uart_platform_data,
+        },
+        .num_resources  = 2,
+        .resource       = gtwx5715_uart_resources,
+};
+
+
+void __init gtwx5715_map_io(void)
+{
+        ixp4xx_map_io();
+}
+
+static struct flash_platform_data gtwx5715_flash_data = {
+        .map_name       = "cfi_probe",
+        .width          = 2,
+};
+
+static struct resource gtwx5715_flash_resource = {
+        .start          = GTWX5715_FLASH_BASE,
+        .end            = GTWX5715_FLASH_BASE + GTWX5715_FLASH_SIZE,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device gtwx5715_flash = {
+        .name           = "IXP4XX-Flash",
+        .id             = 0,
+        .dev            = {
+                .platform_data = &gtwx5715_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &gtwx5715_flash_resource,
+};
+
+static struct platform_device *gtwx5715_devices[] __initdata = {
+        &gtwx5715_uart_device,
+        &gtwx5715_flash,
+};
+
+static void __init gtwx5715_init(void)
+{
+        platform_add_devices(gtwx5715_devices, ARRAY_SIZE(gtwx5715_devices));
+}
+
+
+MACHINE_START(GTWX5715, "Gemtek GTWX5715 (Linksys WRV54G)")
+        MAINTAINER("George Joseph")
+        BOOT_MEM(PHYS_OFFSET, IXP4XX_UART2_BASE_PHYS,
+                IXP4XX_UART2_BASE_VIRT)
+        MAPIO(gtwx5715_map_io)
+        INITIRQ(ixp4xx_init_irq)
+                  .timer                = &ixp4xx_timer,
+        BOOT_PARAMS(0x0100)
+        INIT_MACHINE(gtwx5715_init)
+MACHINE_END
+
+