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Code Issues Releases Activity

[sdmmc] Revert 204MHz sd device clock

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Again some Sandisk U1 cards do not behave at all at speeds like that (204MHz / 102MB/s).

Revert back to 163.2MHz / 81.6MB/s.
This commit is contained in:
ctcaer@gmail.com 2019-04-23 03:34:39 +03:00
parent 25f6e91677
commit 91606334c4
1 changed files with 8 additions and 6 deletions
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14
bootloader/soc/clock.c
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@ -364,10 +364,12 @@ static void _clock_sdmmc_clear_enable(u32 id)
static u32 _clock_sdmmc_table[8] = { 0 };
#define PLLP_OUT0 0x0
static int _clock_sdmmc_config_clock_source_inner(u32 *pout, u32 id, u32 val)
{
u32 divisor = 0;
u32 source = 0;
u32 source = PLLP_OUT0;
switch (val)
{
@ -414,16 +416,16 @@ static int _clock_sdmmc_config_clock_source_inner(u32 *pout, u32 id, u32 val)
switch (id)
{
case SDMMC_1:
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC1) = source | divisor;
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC1) = (source << 29) | divisor;
break;
case SDMMC_2:
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC2) = source | divisor;
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC2) = (source << 29) | divisor;
break;
case SDMMC_3:
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC3) = source | divisor;
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC3) = (source << 29) | divisor;
break;
case SDMMC_4:
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4) = source | divisor;
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4) = (source << 29) | divisor;
break;
}
@ -467,7 +469,7 @@ void clock_sdmmc_get_params(u32 *pout, u16 *pdivisor, u32 type)
case 3:
case 4:
case 11:
*pout = 208000;
*pout = 200000;
*pdivisor = 1;
break;
case 5: