mtd: rawnand: omap_elm: u-boot driver model support

Support u-boot driver model. We still retain
support legacy way of doing things if ELM_BASE
is defined in <asm/arch/hardware.h>

We could completely get rid of that if all
platforms defining ELM_BASE get rid of that definition
and enable CONFIG_SYS_NAND_SELF_INIT and are verified
to work.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Link: https://lore.kernel.org/all/20221220102203.52398-9-rogerq@kernel.org
Link: https://lore.kernel.org/all/CABGWkvrvKiVA_yaDnHJcHEKwc+pEuLdz=i6HQEY0oJQvohCUsw@mail.gmail.com

1 files changed, 0 insertions, 79 deletions

diff --git a/include/linux/mtd/omap_elm.h b/include/linux/mtd/omap_elm.h
deleted file mode 100644
index f3db00d55de..00000000000
--- a/include/linux/mtd/omap_elm.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * (C) Copyright 2010-2011 Texas Instruments, <www.ti.com>
- * Mansoor Ahamed <mansoor.ahamed@ti.com>
- *
- * Derived from work done by Rohit Choraria <rohitkc@ti.com> for omap3
- */
-#ifndef __ASM_ARCH_ELM_H
-#define __ASM_ARCH_ELM_H
-/*
- * ELM Module Registers
- */
-
-/* ELM registers bit fields */
-#define ELM_SYSCONFIG_SOFTRESET_MASK			(0x2)
-#define ELM_SYSCONFIG_SOFTRESET			(0x2)
-#define ELM_SYSSTATUS_RESETDONE_MASK			(0x1)
-#define ELM_SYSSTATUS_RESETDONE			(0x1)
-#define ELM_LOCATION_CONFIG_ECC_BCH_LEVEL_MASK		(0x3)
-#define ELM_LOCATION_CONFIG_ECC_SIZE_MASK		(0x7FF0000)
-#define ELM_LOCATION_CONFIG_ECC_SIZE_POS		(16)
-#define ELM_SYNDROME_FRAGMENT_6_SYNDROME_VALID		(0x00010000)
-#define ELM_LOCATION_STATUS_ECC_CORRECTABLE_MASK	(0x100)
-#define ELM_LOCATION_STATUS_ECC_NB_ERRORS_MASK		(0x1F)
-
-#define ELM_MAX_CHANNELS				8
-#define ELM_MAX_ERROR_COUNT				16
-
-#ifndef __ASSEMBLY__
-
-enum bch_level {
-	BCH_4_BIT = 0,
-	BCH_8_BIT,
-	BCH_16_BIT
-};
-
-
-/* BCH syndrome registers */
-struct syndrome {
-	u32 syndrome_fragment_x[7];	/* 0x400, 0x404.... 0x418 */
-	u8 res1[36];			/* 0x41c */
-};
-
-/* BCH error status & location register */
-struct location {
-	u32 location_status;		/* 0x800 */
-	u8 res1[124];			/* 0x804 */
-	u32 error_location_x[ELM_MAX_ERROR_COUNT]; /* 0x880, 0x980, .. */
-	u8 res2[64];			/* 0x8c0 */
-};
-
-/* BCH ELM register map - do not try to allocate memmory for this structure.
- * We have used plenty of reserved variables to fill the slots in the ELM
- * register memory map.
- * Directly initialize the struct pointer to ELM base address.
- */
-struct elm {
-	u32 rev;				/* 0x000 */
-	u8 res1[12];				/* 0x004 */
-	u32 sysconfig;				/* 0x010 */
-	u32 sysstatus;				/* 0x014 */
-	u32 irqstatus;				/* 0x018 */
-	u32 irqenable;				/* 0x01c */
-	u32 location_config;			/* 0x020 */
-	u8 res2[92];				/* 0x024 */
-	u32 page_ctrl;				/* 0x080 */
-	u8 res3[892];				/* 0x084 */
-	struct  syndrome syndrome_fragments[ELM_MAX_CHANNELS]; /* 0x400,0x420 */
-	u8 res4[512];				/* 0x600 */
-	struct location  error_location[ELM_MAX_CHANNELS]; /* 0x800,0x900 ... */
-};
-
-int elm_check_error(u8 *syndrome, enum bch_level bch_type, u32 *error_count,
-		u32 *error_locations);
-int elm_config(enum bch_level level);
-void elm_reset(void);
-void elm_init(void);
-#endif /* __ASSEMBLY__ */
-#endif /* __ASM_ARCH_ELM_H */