linuxdebug/arch/sh/boards/mach-sdk7780/setup.c

97 lines
2.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* arch/sh/boards/renesas/sdk7780/setup.c
*
* Renesas Solutions SH7780 SDK Support
* Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
*/
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <asm/machvec.h>
#include <mach/sdk7780.h>
#include <asm/heartbeat.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#define GPIO_PECR 0xFFEA0008
/* Heartbeat */
static struct resource heartbeat_resource = {
.start = PA_LED,
.end = PA_LED,
.flags = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
.num_resources = 1,
.resource = &heartbeat_resource,
};
/* SMC91x */
static struct resource smc91x_eth_resources[] = {
[0] = {
.name = "smc91x-regs" ,
.start = PA_LAN + 0x300,
.end = PA_LAN + 0x300 + 0x10 ,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ETHERNET,
.end = IRQ_ETHERNET,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smc91x_eth_device = {
.name = "smc91x",
.id = 0,
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(smc91x_eth_resources),
.resource = smc91x_eth_resources,
};
static struct platform_device *sdk7780_devices[] __initdata = {
&heartbeat_device,
&smc91x_eth_device,
};
static int __init sdk7780_devices_setup(void)
{
return platform_add_devices(sdk7780_devices,
ARRAY_SIZE(sdk7780_devices));
}
device_initcall(sdk7780_devices_setup);
static void __init sdk7780_setup(char **cmdline_p)
{
u16 ver = __raw_readw(FPGA_FPVERR);
u16 dateStamp = __raw_readw(FPGA_FPDATER);
printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
printk(KERN_INFO "Board version: %d (revision %d), "
"FPGA version: %d (revision %d), datestamp : %d\n",
(ver >> 12) & 0xf, (ver >> 8) & 0xf,
(ver >> 4) & 0xf, ver & 0xf,
dateStamp);
/* Setup pin mux'ing for PCIC */
__raw_writew(0x0000, GPIO_PECR);
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_se7780 __initmv = {
.mv_name = "Renesas SDK7780-R3" ,
.mv_setup = sdk7780_setup,
.mv_init_irq = init_sdk7780_IRQ,
};