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Disable some peripheral clocks when cpu starts

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All peripheral clocks are default enabled after chip is powered on.
    When CPU starts, if reset reason is CPU reset, disable those clocks
    that are not enabled before reset. Otherwise, disable all those
    useless clocks.
    These peripheral clocks must be enabled when the peripherals are
    initialized and disabled when they are deinitialized.
This commit is contained in:
XiaXiaotian
2017-08-08 16:58:58 +08:00
parent 4da7ee1295
commit 4776f73ca4
4 changed files with 99 additions and 0 deletions
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components/soc/esp32/include/soc/dport_reg.h
+2
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@@ -1055,6 +1055,8 @@
#define DPORT_WIFI_CLK_BT_EN_S 11
/* Remaining single bit clock masks */
#define DPORT_WIFI_CLK_SDIOSLAVE_EN BIT(4)
#define DPORT_WIFI_CLK_UNUSED_BIT5 BIT(5)
#define DPORT_WIFI_CLK_UNUSED_BIT12 BIT(12)
#define DPORT_WIFI_CLK_SDIO_HOST_EN BIT(13)
#define DPORT_WIFI_CLK_EMAC_EN BIT(14)
#define DPORT_WIFI_CLK_RNG_EN BIT(15)