Commit 1a3c5ffe authored by Marek Vasut's avatar Marek Vasut Committed by Stefano Babic
Browse files

mmc: Limit the number of used SSP ports on MX23



The MX23 can only use two SSP ports.
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Cc: Andy Fleming <afleming@freescale.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>
parent deb0757c
...@@ -356,6 +356,16 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int)) ...@@ -356,6 +356,16 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
struct mmc *mmc = NULL; struct mmc *mmc = NULL;
struct mxsmmc_priv *priv = NULL; struct mxsmmc_priv *priv = NULL;
int ret; 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)); mmc = malloc(sizeof(struct mmc));
if (!mmc) if (!mmc)
...@@ -401,7 +411,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int)) ...@@ -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. * CLOCK_RATE could be any integer from 0 to 255.
*/ */
mmc->f_min = 400000; 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->b_max = 0x20;
mmc_register(mmc); mmc_register(mmc);
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment