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author | Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com> | 2018-12-06 15:47:34 +0300 |
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committer | Michal Simek <michal.simek@xilinx.com> | 2018-12-13 18:07:04 +0300 |
commit | fee10bd2267868f2a3e7ba008ef7665aac5e4412 (patch) | |
tree | ad1da90482099b82d538b336663c7789ad284a9d /include/linux/pl353-smc.h | |
parent | b0b41af12a1bf21a45ccfe48da194ee688170d03 (diff) | |
download | linux-fee10bd2267868f2a3e7ba008ef7665aac5e4412.tar.xz |
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 <naga.sureshkumar.relli@xilinx.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'include/linux/pl353-smc.h')
-rw-r--r-- | include/linux/pl353-smc.h | 30 |
1 files changed, 30 insertions, 0 deletions
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 |