Crash_Override/OVMS3-idf
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge branch 'bugfix/efuse_write_config' into 'master'

Browse source 
efuse: set timing configuration before writing

See merge request espressif/esp-idf!4750
This commit is contained in:
Jiang Jiang Jian 2019-08-09 14:25:45 +08:00
parent 01f7e7cc16 e1ef0faccd
commit 2b71eff25f
2 changed files with 21 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
components/efuse/src/esp_efuse_utility.c
View file

@ -15,6 +15,7 @@
#include "esp_efuse_utility.h"
#include "soc/efuse_periph.h"
#include "esp32/clk.h"
#include "esp_log.h"
#include "assert.h"
#include "sdkconfig.h"
@ -209,6 +210,25 @@ void esp_efuse_utility_burn_efuses(void)
}
}
#else
// Update Efuse timing configuration
uint32_t apb_freq_mhz = esp_clk_apb_freq() / 1000000;
uint32_t clk_sel0, clk_sel1, dac_clk_div;
if (apb_freq_mhz <= 26) {
clk_sel0 = 250;
clk_sel1 = 255;
dac_clk_div = 52;
} else if (apb_freq_mhz <= 40) {
clk_sel0 = 160;
clk_sel1 = 255;
dac_clk_div = 80;
} else {
clk_sel0 = 80;
clk_sel1 = 128;
dac_clk_div = 100;
}
REG_SET_FIELD(EFUSE_DAC_CONF_REG, EFUSE_DAC_CLK_DIV, dac_clk_div);
REG_SET_FIELD(EFUSE_CLK_REG, EFUSE_CLK_SEL0, clk_sel0);
REG_SET_FIELD(EFUSE_CLK_REG, EFUSE_CLK_SEL1, clk_sel1);
// Permanently update values written to the efuse write registers
REG_WRITE(EFUSE_CONF_REG, EFUSE_CONF_WRITE);
REG_WRITE(EFUSE_CMD_REG, EFUSE_CMD_PGM);

2
components/esptool_py/esptool

@ -1 +1 @@
Subproject commit b4c418a5d90c94863b44c8661b9332cf229b08b7
Subproject commit 1319c49adb2fe99d2981151ff781930d6ed62729