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[bsp][ls1c] add ls1c_hw_spi_init

This commit is contained in:
sundm75 2018-03-17 19:03:50 +08:00
parent 4495e1c2a1
commit 4a8076e4b8
1 changed files with 64 additions and 0 deletions
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64
bsp/ls1cdev/drivers/drv_spi.c
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@ -25,7 +25,9 @@
#include <rtthread.h>
#include <drivers/spi.h>
#include "drv_spi.h"
#include "../libraries/ls1c_pin.h"
#ifdef RT_USING_SPI
//#define DEBUG
@ -226,4 +228,66 @@ rt_err_t ls1c_spi_bus_register(rt_uint8_t SPI, const char *spi_bus_name)
return rt_spi_bus_register(spi_bus, spi_bus_name, &ls1c_spi_ops);
}
int ls1c_hw_spi_init(void)
{
#ifdef RT_USING_SPI0
pin_set_purpose(78, PIN_PURPOSE_OTHER);
pin_set_purpose(79, PIN_PURPOSE_OTHER);
pin_set_purpose(80, PIN_PURPOSE_OTHER);
pin_set_purpose(83, PIN_PURPOSE_OTHER);//cs2 - SD card
pin_set_purpose(82, PIN_PURPOSE_OTHER);//cs1
pin_set_remap(78, PIN_REMAP_FOURTH);
pin_set_remap(79, PIN_REMAP_FOURTH);
pin_set_remap(80, PIN_REMAP_FOURTH);
pin_set_remap(83, PIN_REMAP_FOURTH);//cs2 - SD card
pin_set_remap(82, PIN_REMAP_FOURTH);//cs1
ls1c_spi_bus_register(LS1C_SPI_0,"spi0");
#endif
#ifdef RT_USING_SPI1
pin_set_purpose(46, PIN_PURPOSE_OTHER);
pin_set_purpose(47, PIN_PURPOSE_OTHER);
pin_set_purpose(48, PIN_PURPOSE_OTHER);
pin_set_purpose(49, PIN_PURPOSE_OTHER);//CS0 - touch screen
pin_set_remap(46, PIN_REMAP_THIRD);
pin_set_remap(47, PIN_REMAP_THIRD);
pin_set_remap(48, PIN_REMAP_THIRD);
pin_set_remap(49, PIN_REMAP_THIRD);//CS0 - touch screen
ls1c_spi_bus_register(LS1C_SPI_1,"spi1");
#endif
#ifdef RT_USING_SPI0
/* attach cs */
{
static struct rt_spi_device spi_device1;
static struct rt_spi_device spi_device2;
static struct ls1c_spi_cs spi_cs1;
static struct ls1c_spi_cs spi_cs2;
/* spi02: CS2 SD Card*/
spi_cs2.cs = LS1C_SPI_CS_2;
rt_spi_bus_attach_device(&spi_device2, "spi02", "spi0", (void*)&spi_cs2);
spi_cs1.cs = LS1C_SPI_CS_1;
rt_spi_bus_attach_device(&spi_device1, "spi01", "spi0", (void*)&spi_cs1);
msd_init("sd0", "spi02");
}
#endif
#ifdef RT_USING_SPI1
{
static struct rt_spi_device spi_device;
static struct ls1c_spi_cs spi_cs;
/* spi10: CS0 Touch*/
spi_cs.cs = LS1C_SPI_CS_0;
rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void*)&spi_cs);
}
#endif
}
INIT_BOARD_EXPORT(ls1c_hw_spi_init);
#endif