#include <stdint.h>


#define EHCI_BASE_ADDR    0xF0000000  // Example, your base address will be different

// EHCI Register Offsets (from EHCI spec)
#define EHCI_CAPLENGTH_OFFSET     0x00
#define EHCI_HCIVERSION_OFFSET    0x02
#define EHCI_CONTROL_OFFSET       0x04
#define EHCI_STATUS_OFFSET        0x08
#define EHCI_COMMAND_OFFSET       0x10

// Registers access
uint32_t read_ehci_register(uint32_t* base, uint32_t offset) {
    return *(volatile uint32_t*)(base + offset);
}

void write_ehci_register(uint32_t* base, uint32_t offset, uint32_t value) {
    *(volatile uint32_t*)(base + offset) = value;
}

// Initialize EHCI controller
void initialize_ehci(uint32_t* base) {
    uint32_t control = read_ehci_register(base, EHCI_CONTROL_OFFSET);
    control |= (1 << 1);  // Enable controller
    write_ehci_register(base, EHCI_CONTROL_OFFSET, control);

    // Set up frame list pointer and other initialization steps as per EHCI specs
}