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| author | Takashi Iwai <tiwai@suse.de> | 2017-11-01 17:43:20 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-11-01 17:43:20 +0100 |
| commit | a53a0ab8ff725672fcb47bb9a5ef75fce45679d0 (patch) | |
| tree | 75cdea78f27fdd569d72cea0b7837bbcc8d871f7 /arch/arc/plat-hsdk/platform.c | |
| parent | 1f20f9ff57ca23b9f5502fca85ce3977e8496cb1 (diff) | |
| parent | b817d936248b9bcee8282e97fb1dda1b03c903fe (diff) | |
| download | linux-a53a0ab8ff725672fcb47bb9a5ef75fce45679d0.tar.bz2 | |
Merge tag 'asoc-fix-v4.14-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.14
A bunch of fixes here, mostly device specific ones (the biggest one
being the revert of the hotword support for rt5514), with a couple of
core fixes for potential issues with corrupted or otherwise invalid
topology files.
Diffstat (limited to 'arch/arc/plat-hsdk/platform.c')
| -rw-r--r-- | arch/arc/plat-hsdk/platform.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arc/plat-hsdk/platform.c b/arch/arc/plat-hsdk/platform.c index 744e62e58788..fd0ae5e38639 100644 --- a/arch/arc/plat-hsdk/platform.c +++ b/arch/arc/plat-hsdk/platform.c @@ -74,6 +74,10 @@ static void __init hsdk_set_cpu_freq_1ghz(void) pr_err("Failed to setup CPU frequency to 1GHz!"); } +#define SDIO_BASE (ARC_PERIPHERAL_BASE + 0xA000) +#define SDIO_UHS_REG_EXT (SDIO_BASE + 0x108) +#define SDIO_UHS_REG_EXT_DIV_2 (2 << 30) + static void __init hsdk_init_early(void) { /* @@ -90,6 +94,12 @@ static void __init hsdk_init_early(void) writel(1, (void __iomem *) CREG_PAE_UPDATE); /* + * Switch SDIO external ciu clock divider from default div-by-8 to + * minimum possible div-by-2. + */ + iowrite32(SDIO_UHS_REG_EXT_DIV_2, (void __iomem *) SDIO_UHS_REG_EXT); + + /* * Setup CPU frequency to 1GHz. * TODO: remove it after smart hsdk pll driver will be introduced. */ |