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-rw-r--r--arch/mips/pnx8550/common/platform.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/arch/mips/pnx8550/common/platform.c b/arch/mips/pnx8550/common/platform.c
new file mode 100644
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--- /dev/null
+++ b/arch/mips/pnx8550/common/platform.c
@@ -0,0 +1,133 @@
+/*
+ * Platform device support for NXP PNX8550 SoCs
+ *
+ * Copyright 2005, Embedded Alley Solutions, Inc
+ *
+ * Based on arch/mips/au1000/common/platform.c
+ * Platform device support for Au1x00 SoCs.
+ *
+ * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/resource.h>
+#include <linux/serial.h>
+#include <linux/serial_pnx8xxx.h>
+#include <linux/platform_device.h>
+
+#include <int.h>
+#include <usb.h>
+#include <uart.h>
+
+static struct resource pnx8550_usb_ohci_resources[] = {
+ [0] = {
+ .start = PNX8550_USB_OHCI_OP_BASE,
+ .end = PNX8550_USB_OHCI_OP_BASE +
+ PNX8550_USB_OHCI_OP_LEN,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PNX8550_INT_USB,
+ .end = PNX8550_INT_USB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource pnx8550_uart_resources[] = {
+ [0] = {
+ .start = PNX8550_UART_PORT0,
+ .end = PNX8550_UART_PORT0 + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PNX8550_UART_INT(0),
+ .end = PNX8550_UART_INT(0),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = PNX8550_UART_PORT1,
+ .end = PNX8550_UART_PORT1 + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ [3] = {
+ .start = PNX8550_UART_INT(1),
+ .end = PNX8550_UART_INT(1),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct pnx8xxx_port pnx8xxx_ports[] = {
+ [0] = {
+ .port = {
+ .type = PORT_PNX8XXX,
+ .iotype = UPIO_MEM,
+ .membase = (void __iomem *)PNX8550_UART_PORT0,
+ .mapbase = PNX8550_UART_PORT0,
+ .irq = PNX8550_UART_INT(0),
+ .uartclk = 3692300,
+ .fifosize = 16,
+ .flags = UPF_BOOT_AUTOCONF,
+ .line = 0,
+ },
+ },
+ [1] = {
+ .port = {
+ .type = PORT_PNX8XXX,
+ .iotype = UPIO_MEM,
+ .membase = (void __iomem *)PNX8550_UART_PORT1,
+ .mapbase = PNX8550_UART_PORT1,
+ .irq = PNX8550_UART_INT(1),
+ .uartclk = 3692300,
+ .fifosize = 16,
+ .flags = UPF_BOOT_AUTOCONF,
+ .line = 1,
+ },
+ },
+};
+
+/* The dmamask must be set for OHCI to work */
+static u64 ohci_dmamask = DMA_BIT_MASK(32);
+
+static u64 uart_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device pnx8550_usb_ohci_device = {
+ .name = "pnx8550-ohci",
+ .id = -1,
+ .dev = {
+ .dma_mask = &ohci_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(pnx8550_usb_ohci_resources),
+ .resource = pnx8550_usb_ohci_resources,
+};
+
+static struct platform_device pnx8550_uart_device = {
+ .name = "pnx8xxx-uart",
+ .id = -1,
+ .dev = {
+ .dma_mask = &uart_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = pnx8xxx_ports,
+ },
+ .num_resources = ARRAY_SIZE(pnx8550_uart_resources),
+ .resource = pnx8550_uart_resources,
+};
+
+static struct platform_device *pnx8550_platform_devices[] __initdata = {
+ &pnx8550_usb_ohci_device,
+ &pnx8550_uart_device,
+};
+
+static int __init pnx8550_platform_init(void)
+{
+ return platform_add_devices(pnx8550_platform_devices,
+ ARRAY_SIZE(pnx8550_platform_devices));
+}
+
+arch_initcall(pnx8550_platform_init);