From 5e8dfe53b60a5c30b56ed0caea4770ce8f241a60 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Fri, 6 Mar 2009 01:15:00 +0000 Subject: prepare for SPI controller driver SVN-Revision: 14755 --- .../brcm63xx/files/arch/mips/bcm63xx/dev-spi.c | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c (limited to 'target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c') diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c new file mode 100644 index 0000000..4aea088 --- /dev/null +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-spi.c @@ -0,0 +1,60 @@ +/* + * 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 + */ + +#include +#include +#include +#include +#include + +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.pdata = &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 (CPU_IS_BCM6338() || CPU_IS_BCM6348()) { + 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 (CPU_IS_BCM6358()) { + 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); +} -- cgit v1.1