include/linux/pl353-smc.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ARM PL353 SMC Driver Header
   4  *
   5  * Copyright (C) 2012 - 2018 Xilinx, Inc
   6  */
   7
   8 #ifndef __LINUX_PL353_SMC_H
   9 #define __LINUX_PL353_SMC_H
  10
  11 enum pl353_smc_ecc_mode {
  12         PL353_SMC_ECCMODE_BYPASS = 0,
  13         PL353_SMC_ECCMODE_APB = 1,
  14         PL353_SMC_ECCMODE_MEM = 2
  15 };
  16
  17 enum pl353_smc_mem_width {
  18         PL353_SMC_MEM_WIDTH_8 = 0,
  19         PL353_SMC_MEM_WIDTH_16 = 1
  20 };
  21
  22 u32 pl353_smc_get_ecc_val(int ecc_reg);
  23 bool pl353_smc_ecc_is_busy(void);
  24 int pl353_smc_get_nand_int_status_raw(void);
  25 void pl353_smc_clr_nand_int(void);
  26 int pl353_smc_set_ecc_mode(enum pl353_smc_ecc_mode mode);
  27 int pl353_smc_set_ecc_pg_size(unsigned int pg_sz);
  28 int pl353_smc_set_buswidth(unsigned int bw);
  29 void pl353_smc_set_cycles(u32 timings[]);
  30 #endif