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fee10bd226
Add driver for arm pl353 static memory controller. This controller is used in Xilinx Zynq SoC for interfacing the NAND and NOR/SRAM memory devices. Signed-off-by: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
30 lines
739 B
C
30 lines
739 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ARM PL353 SMC Driver Header
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*
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* Copyright (C) 2012 - 2018 Xilinx, Inc
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*/
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#ifndef __LINUX_PL353_SMC_H
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#define __LINUX_PL353_SMC_H
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enum pl353_smc_ecc_mode {
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PL353_SMC_ECCMODE_BYPASS = 0,
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PL353_SMC_ECCMODE_APB = 1,
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PL353_SMC_ECCMODE_MEM = 2
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};
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enum pl353_smc_mem_width {
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PL353_SMC_MEM_WIDTH_8 = 0,
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PL353_SMC_MEM_WIDTH_16 = 1
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};
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u32 pl353_smc_get_ecc_val(int ecc_reg);
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bool pl353_smc_ecc_is_busy(void);
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int pl353_smc_get_nand_int_status_raw(void);
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void pl353_smc_clr_nand_int(void);
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int pl353_smc_set_ecc_mode(enum pl353_smc_ecc_mode mode);
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int pl353_smc_set_ecc_pg_size(unsigned int pg_sz);
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int pl353_smc_set_buswidth(unsigned int bw);
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void pl353_smc_set_cycles(u32 timings[]);
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#endif
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