1 /* 2 * Copyright (c) 2019-2023, Intel Corporation. All rights reserved. 3 * Copyright (c) 2024-2025, Altera Corporation. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #ifndef SOCFPGA_PRIVATE_H 9 #define SOCFPGA_PRIVATE_H 10 11 #include <errno.h> 12 13 #define EMMC_DESC_SIZE (1<<20) 14 15 #define EMMC_INIT_PARAMS(base, clk) \ 16 { .bus_width = MMC_BUS_WIDTH_4, \ 17 .clk_rate = (clk), \ 18 .desc_base = (base), \ 19 .desc_size = EMMC_DESC_SIZE, \ 20 .flags = 0, \ 21 .reg_base = SOCFPGA_MMC_REG_BASE \ 22 } 23 24 typedef enum { 25 BOOT_SOURCE_FPGA = 0, 26 BOOT_SOURCE_SDMMC, 27 BOOT_SOURCE_NAND, 28 BOOT_SOURCE_QSPI, 29 BOOT_SOURCE_RSVD 30 } boot_source_type; 31 32 /******************************************************************************* 33 * Function and variable prototypes 34 ******************************************************************************/ 35 36 void enable_nonsecure_access(void); 37 38 void socfpga_io_setup(int boot_source, unsigned long offset); 39 40 void socfgpa_configure_mmu_el3(unsigned long total_base, 41 unsigned long total_size, 42 unsigned long ro_start, 43 unsigned long ro_limit, 44 unsigned long coh_start, 45 unsigned long coh_limit); 46 47 48 void socfpga_configure_mmu_el1(unsigned long total_base, 49 unsigned long total_size, 50 unsigned long ro_start, 51 unsigned long ro_limit, 52 unsigned long coh_start, 53 unsigned long coh_limit); 54 55 void socfpga_delay_timer_init(void); 56 57 void socfpga_gic_driver_init(void); 58 59 void socfpga_delay_timer_init_args(void); 60 61 uint32_t socfpga_get_spsr_for_bl32_entry(void); 62 63 uint32_t socfpga_get_spsr_for_bl33_entry(void); 64 65 unsigned long socfpga_get_ns_image_entrypoint(void); 66 67 void plat_secondary_cpus_bl31_entry(void); 68 69 void setup_clusterectlr_el1(void); 70 71 /****************************************************************************** 72 * Macro for generic poling function 73 *****************************************************************************/ 74 75 #define SOCFPGA_POLL(cond, max_count, delay, delay_fn, status) \ 76 do { \ 77 int __count = (max_count); \ 78 (status) = -ETIMEDOUT; \ 79 while ((!(cond)) && (__count-- > 0)) { \ 80 delay_fn(delay); \ 81 } \ 82 \ 83 if ((cond)) { \ 84 (status) = 0; \ 85 } \ 86 } while (0) 87 88 #endif /* SOCFPGA_PRIVATE_H */ 89