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sue: enable the SPI slave controller 

Add platform data and initialisation for the SPI slave controller on
Sue Creek.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2019-01-15 16:08:28 +01:00 committed by Liam Girdwood
parent d4ae0cd3d6
commit efeb41a8cf
2 changed files with 39 additions and 0 deletions
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37
src/platform/intel/cavs/platform.c
View File

@ -54,6 +54,7 @@
#include <sof/audio/component.h>
#include <sof/cpu.h>
#include <sof/notifier.h>
#include <sof/spi.h>
#include <config.h>
#include <string.h>
#include <version.h>
@ -293,6 +294,18 @@ struct iomux iomux_data[] = {
};
const int n_iomux = ARRAY_SIZE(iomux_data);
static struct spi_platform_data spi = {
.base = DW_SPI_SLAVE_BASE,
.irq = IRQ_EXT_LP_GPDMA0_LVL5(0, 0),
.type = SOF_SPI_INTEL_SLAVE,
.fifo[SPI_DIR_RX] = {
.handshake = DMA_HANDSHAKE_SSI_RX,
},
.fifo[SPI_DIR_TX] = {
.handshake = DMA_HANDSHAKE_SSI_TX,
}
};
#endif
struct timer *platform_timer =
@ -300,6 +313,10 @@ struct timer *platform_timer =
int platform_boot_complete(uint32_t boot_message)
{
#if defined(CONFIG_SUECREEK)
return spi_push(spi_get(SOF_SPI_INTEL_SLAVE), &ready, sizeof(ready));
#endif
mailbox_dspbox_write(0, &ready, sizeof(ready));
#if defined(CONFIG_MEM_WND)
mailbox_dspbox_write(sizeof(ready), &sram_window,
@ -379,6 +396,9 @@ static void platform_init_hw(void)
int platform_init(struct sof *sof)
{
#if defined(CONFIG_SUECREEK)
struct spi *spi_dev;
#endif
int ret;
#if defined(CONFIG_CANNONLAKE) || defined(CONFIG_ICELAKE) \
@ -487,8 +507,25 @@ int platform_init(struct sof *sof)
trace_point(TRACE_BOOT_PLATFORM_IDC);
idc_init();
#if defined(CONFIG_SUECREEK)
/* initialize the SPI slave */
spi_init();
ret = spi_install(&spi, 1);
if (ret < 0)
return ret;
spi_dev = spi_get(SOF_SPI_INTEL_SLAVE);
if (!spi_dev)
return -ENODEV;
/* initialize the SPI-SLave module */
ret = spi_probe(spi_dev);
if (ret < 0)
return ret;
#else
/* Initialize DMA for Trace*/
dma_trace_init_complete(sof->dmat);
#endif
/* show heap status */
heap_trace_all(1);

2
src/platform/suecreek/include/platform/dma.h
View File

@ -57,6 +57,8 @@
#define DMA_HANDSHAKE_SSP2_TX 7
#define DMA_HANDSHAKE_SSP3_RX 8
#define DMA_HANDSHAKE_SSP3_TX 9
#define DMA_HANDSHAKE_SSI_TX 26
#define DMA_HANDSHAKE_SSI_RX 27
int dmac_init(void);