From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/arm/mach-omap1/board-nand.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 arch/arm/mach-omap1/board-nand.c (limited to 'arch/arm/mach-omap1/board-nand.c') diff --git a/arch/arm/mach-omap1/board-nand.c b/arch/arm/mach-omap1/board-nand.c new file mode 100644 index 000000000..479ab9be7 --- /dev/null +++ b/arch/arm/mach-omap1/board-nand.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-omap1/board-nand.c + * + * Common OMAP1 board NAND code + * + * Copyright (C) 2004, 2012 Texas Instruments, Inc. + * Copyright (C) 2002 MontaVista Software, Inc. + * Copyright (C) 2001 RidgeRun, Inc. + * Author: RidgeRun, Inc. + * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com + */ +#include +#include +#include +#include + +#include "common.h" + +void omap1_nand_cmd_ctl(struct nand_chip *this, int cmd, unsigned int ctrl) +{ + unsigned long mask; + + if (cmd == NAND_CMD_NONE) + return; + + mask = (ctrl & NAND_CLE) ? 0x02 : 0; + if (ctrl & NAND_ALE) + mask |= 0x04; + + writeb(cmd, this->legacy.IO_ADDR_W + mask); +} + -- cgit v1.2.3