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memory: Add TI GPMC driver

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The GPMC is a unified memory controller dedicated for interfacing
with external memory devices like
 - Asynchronous SRAM-like memories and ASICs
 - Asynchronous, synchronous, and page mode burst NOR flash
 - NAND flash
 - Pseudo-SRAM devices

This driver will take care of setting up the GPMC based on
the settings specified in the Device tree and then
probe its children.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
This commit is contained in:
Roger Quadros
2022-10-20 16:30:49 +03:00
committed by Tom Rini
parent 37d6d1645a
commit 9b0b5648d6
5 changed files with 1561 additions and 0 deletions
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3
include/linux/mtd/omap_gpmc.h
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@@ -8,6 +8,9 @@
#ifndef __ASM_OMAP_GPMC_H
#define __ASM_OMAP_GPMC_H
/* Maximum Number of Chip Selects */
#define GPMC_CS_NUM 8
#define GPMC_BUF_EMPTY 0
#define GPMC_BUF_FULL 1
#define GPMC_MAX_SECTORS 8