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SDIO: Commit optional code to run at 50MHz.

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This commit is contained in:
Jared Boone 2016-07-19 11:00:31 -07:00
parent 6f65cdf41e
commit 2993f7be1d
1 changed files with 6 additions and 0 deletions
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6
firmware/chibios-portapack/os/hal/platforms/LPC43xx/sdc_lld.c
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@ -200,8 +200,14 @@ static void sdio_cclk_set_400khz(void) {
} }
static void sdio_cclk_set_fast(void) { static void sdio_cclk_set_fast(void) {
#if defined(PORTAPACK_FAST_SDIO)
/* 200MHz / (2 * 2) = 50MHz */
/* TODO: Adjust SCU pin configurations: pull-up/down, slew, glitch filter? */
sdio_cclk_set(2);
#else
/* 200MHz / (2 * 4) = 25MHz */ /* 200MHz / (2 * 4) = 25MHz */
sdio_cclk_set(4); sdio_cclk_set(4);
#endif
} }
static void sdio_width_set_1bit(void) { static void sdio_width_set_1bit(void) {