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bdk: hwinit: save boot reason for later usage

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This commit is contained in:
CTCaer
2021-10-01 14:32:42 +03:00
parent 99d15eaac8
commit a1910156d8
4 changed files with 28 additions and 10 deletions
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25
bdk/soc/hw_init.c
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@@ -48,14 +48,8 @@
extern boot_cfg_t b_cfg;
extern volatile nyx_storage_t *nyx_str;
/*
* CLK_OSC - 38.4 MHz crystal.
* CLK_M - 19.2 MHz (osc/2).
* CLK_S - 32.768 KHz (from PMIC).
* SCLK - 204MHz init (-> 408MHz -> OC).
* HCLK - 204MHz init (-> 408MHz -> OC).
* PCLK - 68MHz init (-> 136MHz -> OC/4).
*/
u32 hw_rst_status;
u32 hw_rst_reason;
u32 hw_get_chip_id()
{
@@ -65,6 +59,15 @@ u32 hw_get_chip_id()
return GP_HIDREV_MAJOR_T210;
}
/*
* CLK_OSC - 38.4 MHz crystal.
* CLK_M - 19.2 MHz (osc/2).
* CLK_S - 32.768 KHz (from PMIC).
* SCLK - 204MHz init (-> 408MHz -> OC).
* HCLK - 204MHz init (-> 408MHz -> OC).
* PCLK - 68MHz init (-> 136MHz -> OC/4).
*/
static void _config_oscillators()
{
CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = (CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3) | 4; // Set CLK_M_DIVISOR to 2.
@@ -264,7 +267,11 @@ static void _config_se_brom()
PMC(APBDEV_PMC_CRYPTO_OP) = PMC_CRYPTO_OP_SE_ENABLE;
SE(SE_INT_STATUS_REG) = 0x1F; // Clear all SE interrupts.
// Clear the boot reason to avoid problems later
// Save reset reason.
hw_rst_status = PMC(APBDEV_PMC_SCRATCH200);
hw_rst_reason = PMC(APBDEV_PMC_RST_STATUS) & PMC_RST_STATUS_MASK;
// Clear the boot reason to avoid problems later.
PMC(APBDEV_PMC_SCRATCH200) = 0x0;
PMC(APBDEV_PMC_RST_STATUS) = 0x0;
APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) = (APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) & 0xF0) | (7 << 10);