1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef SOC_INTEL_COMMON_BLOCK_SPI_H 4 #define SOC_INTEL_COMMON_BLOCK_SPI_H 5 6 #include <types.h> 7 8 /* 9 * Check if write protection for CSE RO is enabled or not. 10 * Returns true if write protection for CSE RO is enabled, false otherwise. 11 */ 12 bool is_spi_wp_cse_ro_en(void); 13 14 /* Gets CSE RO's write protected area's base address and limit */ 15 void spi_get_wp_cse_ro_range(uint32_t *base, uint32_t *limit); 16 17 /* 18 * SoC overrides 19 * 20 * All new SoC must implement below functionality. 21 */ 22 23 /* Function to convert input device function to bus number 24 * Input: Device Function number 25 * Output: -1 translate to Error, >=0 is bus number 26 */ 27 int spi_soc_devfn_to_bus(unsigned int devfn); 28 29 #endif /* SOC_INTEL_COMMON_BLOCK_SPI_H */ 30