Initial import

1 files changed, 243 insertions, 0 deletions

diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c
new file mode 100644
index 000000000..b4b774bc3
--- /dev/null
+++ b/arch/mips/pnx833x/common/platform.c
@@ -0,0 +1,243 @@
+/*
+ *  platform.c: platform support for PNX833X.
+ *
+ *  Copyright 2008 NXP Semiconductors
+ *	  Chris Steel <chris.steel@nxp.com>
+ *    Daniel Laird <daniel.j.laird@nxp.com>
+ *
+ *  Based on software written by:
+ *	Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/resource.h>
+#include <linux/serial.h>
+#include <linux/serial_pnx8xxx.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
+#include <irq.h>
+#include <irq-mapping.h>
+#include <pnx833x.h>
+
+static u64 uart_dmamask	    = DMA_BIT_MASK(32);
+
+static struct resource pnx833x_uart_resources[] = {
+	[0] = {
+		.start		= PNX833X_UART0_PORTS_START,
+		.end		= PNX833X_UART0_PORTS_END,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= PNX833X_PIC_UART0_INT,
+		.end		= PNX833X_PIC_UART0_INT,
+		.flags		= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start		= PNX833X_UART1_PORTS_START,
+		.end		= PNX833X_UART1_PORTS_END,
+		.flags		= IORESOURCE_MEM,
+	},
+	[3] = {
+		.start		= PNX833X_PIC_UART1_INT,
+		.end		= PNX833X_PIC_UART1_INT,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+struct pnx8xxx_port pnx8xxx_ports[] = {
+	[0] = {
+		.port	= {
+			.type		= PORT_PNX8XXX,
+			.iotype		= UPIO_MEM,
+			.membase	= (void __iomem *)PNX833X_UART0_PORTS_START,
+			.mapbase	= PNX833X_UART0_PORTS_START,
+			.irq		= PNX833X_PIC_UART0_INT,
+			.uartclk	= 3692300,
+			.fifosize	= 16,
+			.flags		= UPF_BOOT_AUTOCONF,
+			.line		= 0,
+		},
+	},
+	[1] = {
+		.port	= {
+			.type		= PORT_PNX8XXX,
+			.iotype		= UPIO_MEM,
+			.membase	= (void __iomem *)PNX833X_UART1_PORTS_START,
+			.mapbase	= PNX833X_UART1_PORTS_START,
+			.irq		= PNX833X_PIC_UART1_INT,
+			.uartclk	= 3692300,
+			.fifosize	= 16,
+			.flags		= UPF_BOOT_AUTOCONF,
+			.line		= 1,
+		},
+	},
+};
+
+static struct platform_device pnx833x_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(pnx833x_uart_resources),
+	.resource	= pnx833x_uart_resources,
+};
+
+static u64 ehci_dmamask	    = DMA_BIT_MASK(32);
+
+static struct resource pnx833x_usb_ehci_resources[] = {
+	[0] = {
+		.start		= PNX833X_USB_PORTS_START,
+		.end		= PNX833X_USB_PORTS_END,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= PNX833X_PIC_USB_INT,
+		.end		= PNX833X_PIC_USB_INT,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device pnx833x_usb_ehci_device = {
+	.name		= "pnx833x-ehci",
+	.id		= -1,
+	.dev = {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(pnx833x_usb_ehci_resources),
+	.resource	= pnx833x_usb_ehci_resources,
+};
+
+static u64 ethernet_dmamask = DMA_BIT_MASK(32);
+
+static struct resource pnx833x_ethernet_resources[] = {
+	[0] = {
+		.start = PNX8335_IP3902_PORTS_START,
+		.end   = PNX8335_IP3902_PORTS_END,
+		.flags = IORESOURCE_MEM,
+	},
+#ifdef CONFIG_SOC_PNX8335
+	[1] = {
+		.start = PNX8335_PIC_ETHERNET_INT,
+		.end   = PNX8335_PIC_ETHERNET_INT,
+		.flags = IORESOURCE_IRQ,
+	},
+#endif
+};
+
+static struct platform_device pnx833x_ethernet_device = {
+	.name = "ip3902-eth",
+	.id   = -1,
+	.dev  = {
+		.dma_mask	   = &ethernet_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.num_resources = ARRAY_SIZE(pnx833x_ethernet_resources),
+	.resource      = pnx833x_ethernet_resources,
+};
+
+static struct resource pnx833x_sata_resources[] = {
+	[0] = {
+		.start = PNX8335_SATA_PORTS_START,
+		.end   = PNX8335_SATA_PORTS_END,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = PNX8335_PIC_SATA_INT,
+		.end   = PNX8335_PIC_SATA_INT,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device pnx833x_sata_device = {
+	.name	       = "pnx833x-sata",
+	.id	       = -1,
+	.num_resources = ARRAY_SIZE(pnx833x_sata_resources),
+	.resource      = pnx833x_sata_resources,
+};
+
+static void
+pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+	struct nand_chip *this = mtd->priv;
+	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
+
+	if (cmd == NAND_CMD_NONE)
+		return;
+
+	if (ctrl & NAND_CLE)
+		writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_CLE_MASK));
+	else
+		writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_ALE_MASK));
+}
+
+static struct platform_nand_data pnx833x_flash_nand_data = {
+	.chip = {
+		.nr_chips		= 1,
+		.chip_delay		= 25,
+	},
+	.ctrl = {
+		.cmd_ctrl		= pnx833x_flash_nand_cmd_ctrl
+	}
+};
+
+/*
+ * Set start to be the correct address (PNX8335_NAND_BASE with no 0xb!!),
+ * 12 bytes more seems to be the standard that allows for NAND access.
+ */
+static struct resource pnx833x_flash_nand_resource = {
+	.start	= PNX8335_NAND_BASE,
+	.end	= PNX8335_NAND_BASE + 12,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct platform_device pnx833x_flash_nand = {
+	.name		= "gen_nand",
+	.id			= -1,
+	.num_resources	= 1,
+	.resource	    = &pnx833x_flash_nand_resource,
+	.dev		= {
+		.platform_data = &pnx833x_flash_nand_data,
+	},
+};
+
+static struct platform_device *pnx833x_platform_devices[] __initdata = {
+	&pnx833x_uart_device,
+	&pnx833x_usb_ehci_device,
+	&pnx833x_ethernet_device,
+	&pnx833x_sata_device,
+	&pnx833x_flash_nand,
+};
+
+static int __init pnx833x_platform_init(void)
+{
+	int res;
+
+	res = platform_add_devices(pnx833x_platform_devices,
+				   ARRAY_SIZE(pnx833x_platform_devices));
+
+	return res;
+}
+
+arch_initcall(pnx833x_platform_init);