Fix GPU on Linux when booting from warmboot

This commit is contained in:
Kostas Missos 2019-02-12 00:46:06 +02:00
parent b677d6cad3
commit 4f2bbbf101
2 changed files with 5 additions and 0 deletions

View file

@ -1157,6 +1157,7 @@ extern void pivot_stack(u32 stack_top);
void ipl_main()
{
// Do initial HW configuration. This is compatible with consecutive reruns without a reset.
config_hw();
//Pivot the stack so we have enough space.

View file

@ -247,6 +247,10 @@ void reconfig_hw_workaround(bool extra_reconfig, u32 magic)
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_E, GPIO_PIN_6, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_H, GPIO_PIN_6, GPIO_MODE_SPIO);
// Fix GPU after warmboot for Linux.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO5, 2);
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO6, 2);
}
// Power off display.