64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_dev_spi.h>
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#include <bcm63xx_regs.h>
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static struct resource spi_resources[] = {
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{
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.start = -1, /* filled at runtime */
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.end = -1, /* filled at runtime */
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.flags = IORESOURCE_MEM,
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},
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{
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.start = -1, /* filled at runtime */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct bcm63xx_spi_pdata spi_pdata = {
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.bus_num = 0,
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.num_chipselect = 4,
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.speed_hz = 50000000, /* Fclk */
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};
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static struct platform_device bcm63xx_spi_device = {
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.name = "bcm63xx_spi",
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.id = 0,
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.num_resources = ARRAY_SIZE(spi_resources),
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.resource = spi_resources,
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.dev = {
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.platform_data = &spi_pdata,
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},
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};
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int __init bcm63xx_spi_register(void)
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{
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spi_resources[0].start = bcm63xx_regset_address(RSET_SPI);
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spi_resources[0].end = spi_resources[0].start;
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spi_resources[0].end += RSET_SPI_SIZE - 1;
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spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI);
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/* Fill in platform data */
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if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
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spi_pdata.msg_fifo_size = SPI_BCM_6338_SPI_MSG_DATA_SIZE;
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spi_pdata.rx_fifo_size = SPI_BCM_6338_SPI_RX_DATA_SIZE;
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}
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if (BCMCPU_IS_6358()) {
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spi_pdata.msg_fifo_size = SPI_BCM_6358_SPI_MSG_DATA_SIZE;
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spi_pdata.rx_fifo_size = SPI_BCM_6358_SPI_RX_DATA_SIZE;
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}
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return platform_device_register(&bcm63xx_spi_device);
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}
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