[mirror_ubuntu-focal-kernel.git] / arch / arm / mach-ixp4xx / coyote-setup.c

// SPDX-License-Identifier: GPL-2.0
/*
 * arch/arm/mach-ixp4xx/coyote-setup.c
 *
 * Board setup for ADI Engineering and IXDGP425 boards
 *
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <dsaxena@plexity.net>
 */

#include <linux/kernel.h>
#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 <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#define COYOTE_IDE_BASE_PHYS	IXP4XX_EXP_BUS_BASE(3)
#define COYOTE_IDE_BASE_VIRT	0xFFFE1000
#define COYOTE_IDE_REGION_SIZE	0x1000

#define COYOTE_IDE_DATA_PORT	0xFFFE10E0
#define COYOTE_IDE_CTRL_PORT	0xFFFE10FC
#define COYOTE_IDE_ERROR_PORT	0xFFFE10E2
#define IRQ_COYOTE_IDE		IRQ_IXP4XX_GPIO5

static struct flash_platform_data coyote_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};

static struct resource coyote_flash_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device coyote_flash = {
	.name		= "IXP4XX-Flash",
	.id		= 0,
	.dev		= {
		.platform_data = &coyote_flash_data,
	},
	.num_resources	= 1,
	.resource	= &coyote_flash_resource,
};

static struct resource coyote_uart_resource = {
	.start	= IXP4XX_UART2_BASE_PHYS,
	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
	.flags	= IORESOURCE_MEM,
};

static struct plat_serial8250_port coyote_uart_data[] = {
	{
		.mapbase	= IXP4XX_UART2_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART2,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	{ },
};

static struct platform_device coyote_uart = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= coyote_uart_data,
	},
	.num_resources	= 1,
	.resource	= &coyote_uart_resource,
};

static struct platform_device *coyote_devices[] __initdata = {
	&coyote_flash,
	&coyote_uart
};

static void __init coyote_init(void)
{
	ixp4xx_sys_init();

	coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;

	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;

	if (machine_is_ixdpg425()) {
		coyote_uart_data[0].membase =
			(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
		coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
		coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
	}

	platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
}

#ifdef CONFIG_ARCH_ADI_COYOTE
MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
	/* Maintainer: MontaVista Software, Inc. */
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.atag_offset	= 0x100,
	.init_machine	= coyote_init,
#if defined(CONFIG_PCI)
	.dma_zone_size	= SZ_64M,
#endif
	.restart	= ixp4xx_restart,
MACHINE_END
#endif

/*
 * IXDPG425 is identical to Coyote except for which serial port
 * is connected.
 */
#ifdef CONFIG_MACH_IXDPG425
MACHINE_START(IXDPG425, "Intel IXDPG425")
	/* Maintainer: MontaVista Software, Inc. */
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.atag_offset	= 0x100,
	.init_machine	= coyote_init,
	.restart	= ixp4xx_restart,
MACHINE_END
#endif
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	/*
	3	* arch/arm/mach-ixp4xx/coyote-setup.c
	4	*
	5	* Board setup for ADI Engineering and IXDGP425 boards
	6	*
	7	* Copyright (C) 2003-2005 MontaVista Software, Inc.
	8	*
	9	* Author: Deepak Saxena <dsaxena@plexity.net>
	10	*/
	11
	12	#include <linux/kernel.h>
	13	#include <linux/init.h>
	14	#include <linux/device.h>
	15	#include <linux/serial.h>
	16	#include <linux/tty.h>
	17	#include <linux/serial_8250.h>
	18
	19	#include <asm/types.h>
	20	#include <asm/setup.h>
	21	#include <asm/memory.h>
a09e64fb	22	#include <mach/hardware.h>
1da177e4 LT	23	#include <asm/irq.h>
	24	#include <asm/mach-types.h>
	25	#include <asm/mach/arch.h>
	26	#include <asm/mach/flash.h>
	27
f89f4490 KH	28	#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
	29	#define COYOTE_IDE_BASE_VIRT 0xFFFE1000
	30	#define COYOTE_IDE_REGION_SIZE 0x1000
	31
	32	#define COYOTE_IDE_DATA_PORT 0xFFFE10E0
	33	#define COYOTE_IDE_CTRL_PORT 0xFFFE10FC
	34	#define COYOTE_IDE_ERROR_PORT 0xFFFE10E2
	35	#define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5
	36
1da177e4 LT	37	static struct flash_platform_data coyote_flash_data = {
	38	.map_name = "cfi_probe",
	39	.width = 2,
	40	};
	41
	42	static struct resource coyote_flash_resource = {
1da177e4 LT	43	.flags = IORESOURCE_MEM,
	44	};
	45
	46	static struct platform_device coyote_flash = {
	47	.name = "IXP4XX-Flash",
	48	.id = 0,
	49	.dev = {
	50	.platform_data = &coyote_flash_data,
	51	},
	52	.num_resources = 1,
	53	.resource = &coyote_flash_resource,
	54	};
	55
	56	static struct resource coyote_uart_resource = {
	57	.start = IXP4XX_UART2_BASE_PHYS,
	58	.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
	59	.flags = IORESOURCE_MEM,
	60	};
	61
bcaafbe4 SS	62	static struct plat_serial8250_port coyote_uart_data[] = {
	63	{
	64	.mapbase = IXP4XX_UART2_BASE_PHYS,
	65	.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
	66	.irq = IRQ_IXP4XX_UART2,
8c741ed7	67	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST,
bcaafbe4 SS	68	.iotype = UPIO_MEM,
	69	.regshift = 2,
	70	.uartclk = IXP4XX_UART_XTAL,
	71	},
	72	{ },
1da177e4 LT	73	};
	74
	75	static struct platform_device coyote_uart = {
	76	.name = "serial8250",
6df29deb	77	.id = PLAT8250_DEV_PLATFORM,
1da177e4	78	.dev = {
bcaafbe4	79	.platform_data = coyote_uart_data,
1da177e4 LT	80	},
	81	.num_resources = 1,
	82	.resource = &coyote_uart_resource,
	83	};
	84
	85	static struct platform_device *coyote_devices[] __initdata = {
	86	&coyote_flash,
	87	&coyote_uart
	88	};
	89
	90	static void __init coyote_init(void)
	91	{
54e269ea DS	92	ixp4xx_sys_init();
	93
	94	coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	95	coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
	96
1da177e4 LT	97	*IXP4XX_EXP_CS0 \|= IXP4XX_FLASH_WRITABLE;
	98	IXP4XX_EXP_CS1 = IXP4XX_EXP_CS0;
	99
	100	if (machine_is_ixdpg425()) {
bcaafbe4	101	coyote_uart_data[0].membase =
1da177e4	102	(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
bcaafbe4 SS	103	coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
bcaafbe4 SS	104	coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
1da177e4 LT	105	}
1da177e4 LT	106
1da177e4 LT	107	platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
	108	}
	109
	110	#ifdef CONFIG_ARCH_ADI_COYOTE
	111	MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
e9dea0c6	112	/* Maintainer: MontaVista Software, Inc. */
e605ecd7	113	.map_io = ixp4xx_map_io,
f449588c	114	.init_early = ixp4xx_init_early,
e9dea0c6	115	.init_irq = ixp4xx_init_irq,
6bb27d73	116	.init_time = ixp4xx_timer_init,
e022c729	117	.atag_offset = 0x100,
e9dea0c6	118	.init_machine = coyote_init,
7553ee77 NP	119	#if defined(CONFIG_PCI)
	120	.dma_zone_size = SZ_64M,
	121	#endif
d1b860fb	122	.restart = ixp4xx_restart,
1da177e4 LT	123	MACHINE_END
	124	#endif
	125
	126	/*
	127	* IXDPG425 is identical to Coyote except for which serial port
	128	* is connected.
	129	*/
	130	#ifdef CONFIG_MACH_IXDPG425
	131	MACHINE_START(IXDPG425, "Intel IXDPG425")
e9dea0c6	132	/* Maintainer: MontaVista Software, Inc. */
e605ecd7	133	.map_io = ixp4xx_map_io,
f449588c	134	.init_early = ixp4xx_init_early,
e9dea0c6	135	.init_irq = ixp4xx_init_irq,
6bb27d73	136	.init_time = ixp4xx_timer_init,
e022c729	137	.atag_offset = 0x100,
e9dea0c6	138	.init_machine = coyote_init,
d1b860fb	139	.restart = ixp4xx_restart,
1da177e4 LT	140	MACHINE_END
	141	#endif
	142