From fee10bd2267868f2a3e7ba008ef7665aac5e4412 Mon Sep 17 00:00:00 2001 From: Naga Sureshkumar Relli Date: Thu, 6 Dec 2018 18:17:34 +0530 Subject: memory: pl353: Add driver for arm pl353 static memory controller 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 Reviewed-by: Linus Walleij Signed-off-by: Michal Simek --- include/linux/pl353-smc.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 include/linux/pl353-smc.h (limited to 'include') diff --git a/include/linux/pl353-smc.h b/include/linux/pl353-smc.h new file mode 100644 index 000000000000..0e0d3df9bf72 --- /dev/null +++ b/include/linux/pl353-smc.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ARM PL353 SMC Driver Header + * + * Copyright (C) 2012 - 2018 Xilinx, Inc + */ + +#ifndef __LINUX_PL353_SMC_H +#define __LINUX_PL353_SMC_H + +enum pl353_smc_ecc_mode { + PL353_SMC_ECCMODE_BYPASS = 0, + PL353_SMC_ECCMODE_APB = 1, + PL353_SMC_ECCMODE_MEM = 2 +}; + +enum pl353_smc_mem_width { + PL353_SMC_MEM_WIDTH_8 = 0, + PL353_SMC_MEM_WIDTH_16 = 1 +}; + +u32 pl353_smc_get_ecc_val(int ecc_reg); +bool pl353_smc_ecc_is_busy(void); +int pl353_smc_get_nand_int_status_raw(void); +void pl353_smc_clr_nand_int(void); +int pl353_smc_set_ecc_mode(enum pl353_smc_ecc_mode mode); +int pl353_smc_set_ecc_pg_size(unsigned int pg_sz); +int pl353_smc_set_buswidth(unsigned int bw); +void pl353_smc_set_cycles(u32 timings[]); +#endif -- cgit v1.2.3