The MX23 can only use two SSP ports.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Andy Fleming <aflem...@freescale.com>
Cc: Fabio Estevam <fabio.este...@freescale.com>
Cc: Otavio Salvador <ota...@ossystems.com.br>
Cc: Stefano Babic <sba...@denx.de>
---
drivers/mmc/mxsmmc.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index 76878d0..0c4cd54 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -356,6 +356,16 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
struct mmc *mmc = NULL;
struct mxsmmc_priv *priv = NULL;
int ret;
+#if defined(CONFIG_MX23)
+ const unsigned int mxsmmc_max_id = 2;
+ const unsigned int mxsmmc_clk_id = 0;
+#elif defined(CONFIG_MX28)
+ const unsigned int mxsmmc_max_id = 4;
+ const unsigned int mxsmmc_clk_id = id;
+#endif
+
+ if (id >= mxsmmc_max_id)
+ return -ENODEV;
mmc = malloc(sizeof(struct mmc));
if (!mmc)
@@ -401,7 +411,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
* CLOCK_RATE could be any integer from 0 to 255.
*/
mmc->f_min = 400000;
- mmc->f_max = mxc_get_clock(MXC_SSP0_CLK + id) * 1000 / 2;
+ mmc->f_max = mxc_get_clock(MXC_SSP0_CLK + mxsmmc_clk_id) * 1000 / 2;
mmc->b_max = 0x20;
mmc_register(mmc);
--
1.7.10.4
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