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trezor-mcu
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setup: avoid usb host mode

This commit is contained in:
Pavol Rusnak 2017-09-04 10:13:17 +00:00
parent 14d15dab99
commit 6deb9fde32
1 changed files with 11 additions and 4 deletions
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15
setup.c
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@ -25,6 +25,7 @@
#include "rng.h"
#include "layout.h"
#include "util.h"
uint32_t __stack_chk_guard;
@ -65,9 +66,6 @@ void setup(void)
// enable SPI clock
rcc_periph_clock_enable(RCC_SPI1);
// enable OTG FS clock
rcc_periph_clock_enable(RCC_OTGFS);
// enable RNG
rcc_periph_clock_enable(RCC_RNG);
RNG_CR |= RNG_CR_RNGEN;
@ -98,8 +96,14 @@ void setup(void)
spi_enable(SPI1);
// enable OTG_FS
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO10);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO10 | GPIO11 | GPIO12);
// enable OTG FS clock
rcc_periph_clock_enable(RCC_OTGFS);
// clear USB OTG_FS peripheral dedicated RAM
memset_reg((void *) 0x50020000, (void *) 0x50020500, 0);
}
void setupApp(void)
@ -120,4 +124,7 @@ void setupApp(void)
// hotfix for old bootloader
gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO9);
spi_init_master(SPI1, SPI_CR1_BAUDRATE_FPCLK_DIV_8, SPI_CR1_CPOL_CLK_TO_0_WHEN_IDLE, SPI_CR1_CPHA_CLK_TRANSITION_1, SPI_CR1_DFF_8BIT, SPI_CR1_MSBFIRST);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLUP, GPIO10);
gpio_set_af(GPIOA, GPIO_AF10, GPIO10);
}