Atmosphere/fusee/fusee-secondary/src/pad_control.h

67 lines
1.3 KiB
C

/**
* Fusée pad control code
* ~ktemkin
*/
#ifndef __FUSEE_PADCTL_H__
#define __FUSEE_PADCTL_H__
#include "utils.h"
/**
* Registers in the Misc Pad control region
*/
struct PACKED tegra_padctl {
/* TODO: support registers before? */
uint32_t sdmmc1_control;
uint32_t sdmmc3_control;
uint32_t sdmmc2_control;
uint32_t sdmmc4_control;
/* TODO: support registers after? */
uint8_t _todo[656];
uint32_t vgpio_gpio_mux_sel;
};
/**
* Masks for Pad Control registers
*/
enum tegra_padctl_masks {
/* SDMMC1 */
PADCTL_SDMMC1_DEEP_LOOPBACK = (1 << 0),
/* SDMMC3 */
PADCTL_SDMMC3_DEEP_LOOPBACK = (1 << 0),
/* SDMMC2 */
PADCTL_SDMMC2_ENABLE_DATA_IN = (0xFF << 8),
PADCTL_SDMMC2_ENABLE_CLK_IN = (0x3 << 4),
PADCTL_SDMMC2_DEEP_LOOPBACK = (1 << 0),
/* SDMMC4 */
PADCTL_SDMMC4_ENABLE_DATA_IN = (0xFF << 8),
PADCTL_SDMMC4_ENABLE_CLK_IN = (0x3 << 4),
PADCTL_SDMMC4_DEEP_LOOPBACK = (1 << 0),
/* VGPIO/GPIO */
PADCTL_SDMMC1_CD_SOURCE = (1 << 0),
PADCTL_SDMMC1_WP_SOURCE = (1 << 1),
PADCTL_SDMMC3_CD_SOURCE = (1 << 2),
PADCTL_SDMMC3_WP_SOURCE = (1 << 3),
};
/**
* Utility function that grabs the Tegra PADCTL registers.
*/
static inline struct tegra_padctl *padctl_get_regs(void)
{
return (struct tegra_padctl *)0x700008d4;
}
#endif