Commit ca26f7d3 authored by Tzachi Perelstein's avatar Tzachi Perelstein Committed by Russell King
Browse files

[ARM] Orion: platform device registration for UART, USB and NAND

parent 51cbff1d
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+123 −0
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <asm/page.h>
#include <asm/timex.h>
#include <asm/mach/map.h>
@@ -53,6 +55,119 @@ void __init orion_map_io(void)
	iotable_init(orion_io_desc, ARRAY_SIZE(orion_io_desc));
}

/*****************************************************************************
 * UART
 ****************************************************************************/

static struct resource orion_uart_resources[] = {
	{
		.start		= UART0_BASE,
		.end		= UART0_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= IRQ_ORION_UART0,
		.end		= IRQ_ORION_UART0,
		.flags		= IORESOURCE_IRQ,
	},
	{
		.start		= UART1_BASE,
		.end		= UART1_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= IRQ_ORION_UART1,
		.end		= IRQ_ORION_UART1,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct plat_serial8250_port orion_uart_data[] = {
	{
		.mapbase	= UART0_BASE,
		.membase	= (char *)UART0_BASE,
		.irq		= IRQ_ORION_UART0,
		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= ORION_TCLK,
	},
	{
		.mapbase	= UART1_BASE,
		.membase	= (char *)UART1_BASE,
		.irq		= IRQ_ORION_UART1,
		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= ORION_TCLK,
	},
	{ },
};

static struct platform_device orion_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= orion_uart_data,
	},
	.resource		= orion_uart_resources,
	.num_resources		= ARRAY_SIZE(orion_uart_resources),
};

/*******************************************************************************
 * USB Controller - 2 interfaces
 ******************************************************************************/

static struct resource orion_ehci0_resources[] = {
	{
		.start	= ORION_USB0_REG_BASE,
		.end	= ORION_USB0_REG_BASE + SZ_4K,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= IRQ_ORION_USB0_CTRL,
		.end	= IRQ_ORION_USB0_CTRL,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct resource orion_ehci1_resources[] = {
	{
		.start	= ORION_USB1_REG_BASE,
		.end	= ORION_USB1_REG_BASE + SZ_4K,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= IRQ_ORION_USB1_CTRL,
		.end	= IRQ_ORION_USB1_CTRL,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 ehci_dmamask = 0xffffffffUL;

static struct platform_device orion_ehci0 = {
	.name		= "orion-ehci",
	.id		= 0,
	.dev		= {
		.dma_mask		= &ehci_dmamask,
		.coherent_dma_mask	= 0xffffffff,
	},
	.resource	= orion_ehci0_resources,
	.num_resources	= ARRAY_SIZE(orion_ehci0_resources),
};

static struct platform_device orion_ehci1 = {
	.name		= "orion-ehci",
	.id		= 1,
	.dev		= {
		.dma_mask		= &ehci_dmamask,
		.coherent_dma_mask	= 0xffffffff,
	},
	.resource	= orion_ehci1_resources,
	.num_resources	= ARRAY_SIZE(orion_ehci1_resources),
};

/*****************************************************************************
 * General
 ****************************************************************************/
@@ -101,4 +216,12 @@ void __init orion_init(void)
	orion_setup_pcie_wins();
	if (dev == MV88F5182_DEV_ID)
		orion_setup_sata_wins();

	/*
	 * REgister devices
	 */
	platform_device_register(&orion_uart);
	platform_device_register(&orion_ehci0);
	if (dev == MV88F5182_DEV_ID)
		platform_device_register(&orion_ehci1);
}
+25 −0
Original line number Diff line number Diff line
/*
 * asm-arm/arch-orion/platform.h
 *
 * Tzachi Perelstein <tzachi@marvell.com>
 *
 * 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.
 */

#ifndef __ASM_ARCH_PLATFORM_H__
#define __ASM_ARCH_PLATFORM_H__

/*
 * Device bus NAND private data
 */
struct orion_nand_data {
	struct mtd_partition *parts;
	u32 nr_parts;
	u8 ale;		/* address line number connected to ALE */
	u8 cle;		/* address line number connected to CLE */
	u8 width;	/* buswidth */
};

#endif