64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <bcm63xx_cpu.h>
|
|
#include <bcm63xx_dev_spi.h>
|
|
#include <bcm63xx_regs.h>
|
|
|
|
static struct resource spi_resources[] = {
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct bcm63xx_spi_pdata spi_pdata = {
|
|
.bus_num = 0,
|
|
.num_chipselect = 4,
|
|
.speed_hz = 50000000, /* Fclk */
|
|
};
|
|
|
|
static struct platform_device bcm63xx_spi_device = {
|
|
.name = "bcm63xx-spi",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(spi_resources),
|
|
.resource = spi_resources,
|
|
.dev = {
|
|
.platform_data = &spi_pdata,
|
|
},
|
|
};
|
|
|
|
int __init bcm63xx_spi_register(void)
|
|
{
|
|
spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
|
|
spi_resources[0].end = spi_resources[0].start;
|
|
spi_resources[0].end += RSET_SPI_SIZE - 1;
|
|
spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
|
|
|
|
/* Fill in platform data */
|
|
if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
|
|
spi_pdata.msg_fifo_size = SPI_BCM_6338_SPI_MSG_DATA_SIZE;
|
|
spi_pdata.rx_fifo_size = SPI_BCM_6338_SPI_RX_DATA_SIZE;
|
|
}
|
|
|
|
if (BCMCPU_IS_6358()) {
|
|
spi_pdata.msg_fifo_size = SPI_BCM_6358_SPI_MSG_DATA_SIZE;
|
|
spi_pdata.rx_fifo_size = SPI_BCM_6358_SPI_RX_DATA_SIZE;
|
|
}
|
|
|
|
return platform_device_register(&bcm63xx_spi_device);
|
|
}
|