?? omap_spi.c
字號(hào):
#include <linux/module.h>#include <linux/init.h>#include <linux/device.h>#include <linux/wait.h>#include <linux/completion.h>#include <linux/interrupt.h>#include <linux/err.h>#include <asm/delay.h>#include <asm/io.h>#include <asm/irq.h>#include <asm/arch/dma.h>#include <asm/arch/mux.h>#include <asm/arch/irqs.h>#include <asm/arch/dsp_common.h>#include <asm/arch/mcbsp.h>#include <asm/mach-types.h>#include <asm/hardware/clock.h>#include <asm/arch/spi/soc.h>#include <asm/arch/spi/csl_spi.h>static int __init omap_spi_init(void){ CSL_Status status; CSL_SpiBaseAddress baseAddress; unsigned int spi_version = 0; if (machine_is_omap_osk()) { omap_cfg_reg(N15_1610_SPI_SCK); omap_cfg_reg(R15_1610_SPI_SDO); omap_cfg_reg(R17_1610_SPI_CS0); } status = CSL_spiGetBaseAddress(CSL_SPI, NULL, &baseAddress); spi_version = *((unsigned int *)(baseAddress.regs)); printk(KERN_INFO "OMAP5912 SPI version %d.%d, <yongyoung.yang@ge.com> \n", spi_version >> 4, spi_version & 0x0f); printk(KERN_INFO "SPI-SSR 0x%x\n", *((unsigned int *)(baseAddress.regs) + 1)); if (CSL_SOK != CSL_spiInit(NULL)) { return (-1); } return 0;}arch_initcall(omap_spi_init);?? 快捷鍵說(shuō)明
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