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imx233: fix ssp for stmp3600 and stmp3700

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Using the ssp macros, we can easily handle the stmp3600 which
has a single ssp block. Take care of all the nasty differences
between targets like bus width

Change-Id: If98a091cc262e9e6834f6fb9826f7c5515bfe621
This commit is contained in:
Amaury Pouly 2013-06-17 00:20:12 +02:00
parent 86ff093267
commit b74a459189
2 changed files with 63 additions and 0 deletions
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18
firmware/target/arm/imx233/ssp-imx233.h
View file

@ -29,21 +29,38 @@
#include "regs/regs-ssp.h"
#if IMX233_SUBTARGET < 3700
#define IMX233_NR_SSP 1
#else
#define IMX233_NR_SSP 2
#endif
/* ssp can value 1 or 2 */
#if IMX233_NR_SSP >= 2
#define __SSP_SELECT(ssp, ssp1, ssp2) ((ssp) == 1 ? (ssp1) : (ssp2))
#else
#define __SSP_SELECT(ssp, ssp1, ssp2) (ssp1)
#endif
#define INT_SRC_SSP_DMA(ssp) __SSP_SELECT(ssp, INT_SRC_SSP1_DMA, INT_SRC_SSP2_DMA)
#define INT_SRC_SSP_ERROR(ssp) __SSP_SELECT(ssp, INT_SRC_SSP1_ERROR, INT_SRC_SSP2_ERROR)
#define BP_SSP_CTRL1_ALL_IRQ 0
#if IMX233_SUBTARGET < 3700
#define BM_SSP_CTRL1_ALL_IRQ \
BM_OR7(SSP_CTRL1, SDIO_IRQ, RESP_ERR_IRQ, RESP_TIMEOUT_IRQ, DATA_TIMEOUT_IRQ, \
DATA_CRC_IRQ, RECV_TIMEOUT_IRQ, RECV_OVRFLW_IRQ)
#define BM_SSP_CTRL1_ALL_IRQ_EN \
BM_OR7(SSP_CTRL1, SDIO_IRQ_EN, RESP_ERR_IRQ_EN, RESP_TIMEOUT_IRQ_EN, DATA_TIMEOUT_IRQ_EN, \
DATA_CRC_IRQ_EN, RECV_TIMEOUT_IRQ_EN, RECV_OVRFLW_IRQ_EN)
#else
#define BM_SSP_CTRL1_ALL_IRQ \
BM_OR8(SSP_CTRL1, SDIO_IRQ, RESP_ERR_IRQ, RESP_TIMEOUT_IRQ, DATA_TIMEOUT_IRQ, \
DATA_CRC_IRQ, FIFO_UNDERRUN_IRQ, RECV_TIMEOUT_IRQ, FIFO_OVERRUN_IRQ)
#define BM_SSP_CTRL1_ALL_IRQ_EN \
BM_OR8(SSP_CTRL1, SDIO_IRQ_EN, RESP_ERR_IRQ_EN, RESP_TIMEOUT_IRQ_EN, DATA_TIMEOUT_IRQ_EN, \
DATA_CRC_IRQ_EN, FIFO_UNDERRUN_EN, RECV_TIMEOUT_IRQ_EN, FIFO_OVERRUN_IRQ_EN)
#endif
#define BM_SSP_CTRL1_TIMEOUT_IRQ \
BM_OR3(SSP_CTRL1, RESP_TIMEOUT_IRQ, DATA_TIMEOUT_IRQ, RECV_TIMEOUT_IRQ)
@ -80,6 +97,7 @@ void imx233_ssp_set_block_size(int ssp, unsigned log_block_size);
enum imx233_ssp_error_t imx233_ssp_sd_mmc_transfer(int ssp, uint8_t cmd,
uint32_t cmd_arg, enum imx233_ssp_resp_t resp, void *buffer, unsigned block_count,
bool wait4irq, bool read, uint32_t *resp_ptr);
/* pullups/alternative are ignored on targets which don't support it */
void imx233_ssp_setup_ssp1_sd_mmc_pins(bool enable_pullups, unsigned bus_width,
unsigned drive_strength, bool use_alt);
void imx233_ssp_setup_ssp2_sd_mmc_pins(bool enable_pullups, unsigned bus_width,