ARM: keystone: aemif: move aemif driver to drivers/memory/ti-aemif.c

Move AEMIF driver to drivers/memory/ti-aemif.c along with AEMIF
definitions collected in arch/arm/include/asm/ti-common/ti-aemif.h

Acked-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>

5 files changed, 43 insertions, 105 deletions

diff --git a/arch/arm/cpu/armv7/keystone/Makefile b/arch/arm/cpu/armv7/keystone/Makefile
index b1bd022..c4af252 100644
--- a/arch/arm/cpu/armv7/keystone/Makefile
+++ b/arch/arm/cpu/armv7/keystone/Makefile
@@ -5,7 +5,6 @@
 # SPDX-License-Identifier:     GPL-2.0+
 #
 
-obj-y	+= aemif.o
 obj-y	+= init.o
 obj-y	+= psc.o
 obj-y	+= clock.o
diff --git a/arch/arm/cpu/armv7/keystone/aemif.c b/arch/arm/cpu/armv7/keystone/aemif.c
deleted file mode 100644
index bcbb95a..0000000
--- a/arch/arm/cpu/armv7/keystone/aemif.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Keystone2: Asynchronous EMIF Configuration
- *
- * (C) Copyright 2012-2014
- *     Texas Instruments Incorporated, <www.ti.com>
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/ti-common/davinci_nand.h>
-
-#define AEMIF_CFG_SELECT_STROBE(v)	((v) ? 1 << 31 : 0)
-#define AEMIF_CFG_EXTEND_WAIT(v)	((v) ? 1 << 30 : 0)
-#define AEMIF_CFG_WR_SETUP(v)		(((v) & 0x0f) << 26)
-#define AEMIF_CFG_WR_STROBE(v)		(((v) & 0x3f) << 20)
-#define AEMIF_CFG_WR_HOLD(v)		(((v) & 0x07) << 17)
-#define AEMIF_CFG_RD_SETUP(v)		(((v) & 0x0f) << 13)
-#define AEMIF_CFG_RD_STROBE(v)		(((v) & 0x3f) << 7)
-#define AEMIF_CFG_RD_HOLD(v)		(((v) & 0x07) << 4)
-#define AEMIF_CFG_TURN_AROUND(v)	(((v) & 0x03) << 2)
-#define AEMIF_CFG_WIDTH(v)		(((v) & 0x03) << 0)
-
-#define set_config_field(reg, field, val)			\
-	do {							\
-		if (val != -1) {				\
-			reg &= ~AEMIF_CFG_##field(0xffffffff);	\
-			reg |=	AEMIF_CFG_##field(val);		\
-		}						\
-	} while (0)
-
-void configure_async_emif(int cs, struct async_emif_config *cfg)
-{
-	unsigned long tmp;
-
-	if (cfg->mode == ASYNC_EMIF_MODE_NAND) {
-		tmp = __raw_readl(&davinci_emif_regs->nandfcr);
-		tmp |= (1 << cs);
-		__raw_writel(tmp, &davinci_emif_regs->nandfcr);
-
-	} else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) {
-		tmp = __raw_readl(&davinci_emif_regs->one_nand_cr);
-		tmp |= (1 << cs);
-		__raw_writel(tmp, &davinci_emif_regs->one_nand_cr);
-	}
-
-	tmp = __raw_readl(&davinci_emif_regs->abncr[cs]);
-
-	set_config_field(tmp, SELECT_STROBE,	cfg->select_strobe);
-	set_config_field(tmp, EXTEND_WAIT,	cfg->extend_wait);
-	set_config_field(tmp, WR_SETUP,		cfg->wr_setup);
-	set_config_field(tmp, WR_STROBE,	cfg->wr_strobe);
-	set_config_field(tmp, WR_HOLD,		cfg->wr_hold);
-	set_config_field(tmp, RD_SETUP,		cfg->rd_setup);
-	set_config_field(tmp, RD_STROBE,	cfg->rd_strobe);
-	set_config_field(tmp, RD_HOLD,		cfg->rd_hold);
-	set_config_field(tmp, TURN_AROUND,	cfg->turn_around);
-	set_config_field(tmp, WIDTH,		cfg->width);
-
-	__raw_writel(tmp, &davinci_emif_regs->abncr[cs]);
-}
-
-void init_async_emif(int num_cs, struct async_emif_config *config)
-{
-	int cs;
-
-	for (cs = 0; cs < num_cs; cs++)
-		configure_async_emif(cs, config + cs);
-}
diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
index 7ac2662..50ce649 100644
--- a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
+++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
@@ -9,13 +9,6 @@
 #ifndef __ASM_ARCH_HARDWARE_K2HK_H
 #define __ASM_ARCH_HARDWARE_K2HK_H
 
-#define K2HK_ASYNC_EMIF_CNTRL_BASE      0x21000a00
-#define DAVINCI_ASYNC_EMIF_CNTRL_BASE   K2HK_ASYNC_EMIF_CNTRL_BASE
-#define K2HK_ASYNC_EMIF_DATA_CE0_BASE   0x30000000
-#define K2HK_ASYNC_EMIF_DATA_CE1_BASE   0x34000000
-#define K2HK_ASYNC_EMIF_DATA_CE2_BASE   0x38000000
-#define K2HK_ASYNC_EMIF_DATA_CE3_BASE   0x3c000000
-
 #define K2HK_PLL_CNTRL_BASE             0x02310000
 #define CLOCK_BASE                      K2HK_PLL_CNTRL_BASE
 #define KS2_RSTCTRL                     (K2HK_PLL_CNTRL_BASE + 0xe8)
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index 6c532ca..ffdecbf 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -22,32 +22,6 @@
 typedef volatile unsigned int   dv_reg;
 typedef volatile unsigned int   *dv_reg_p;
 
-#define ASYNC_EMIF_NUM_CS               4
-#define ASYNC_EMIF_MODE_NOR             0
-#define ASYNC_EMIF_MODE_NAND            1
-#define ASYNC_EMIF_MODE_ONENAND         2
-#define ASYNC_EMIF_PRESERVE             -1
-
-struct async_emif_config {
-	unsigned mode;
-	unsigned select_strobe;
-	unsigned extend_wait;
-	unsigned wr_setup;
-	unsigned wr_strobe;
-	unsigned wr_hold;
-	unsigned rd_setup;
-	unsigned rd_strobe;
-	unsigned rd_hold;
-	unsigned turn_around;
-	enum {
-		ASYNC_EMIF_8	= 0,
-		ASYNC_EMIF_16	= 1,
-		ASYNC_EMIF_32	= 2,
-	} width;
-};
-
-void init_async_emif(int num_cs, struct async_emif_config *config);
-
 struct ddr3_phy_config {
 	unsigned int pllcr;
 	unsigned int pgcr1_mask;
@@ -145,6 +119,10 @@ struct ddr3_emif_config {
 #define KS2_UART0_BASE                	0x02530c00
 #define KS2_UART1_BASE                	0x02531000
 
+/* AEMIF */
+#define KS2_AEMIF_CNTRL_BASE       	0x21000a00
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE   KS2_AEMIF_CNTRL_BASE
+
 #ifdef CONFIG_SOC_K2HK
 #include <asm/arch/hardware-k2hk.h>
 #endif
diff --git a/arch/arm/include/asm/ti-common/ti-aemif.h b/arch/arm/include/asm/ti-common/ti-aemif.h
new file mode 100644
index 0000000..4a311d4
--- /dev/null
+++ b/arch/arm/include/asm/ti-common/ti-aemif.h
@@ -0,0 +1,39 @@
+/*
+ * AEMIF definitions
+ *
+ * (C) Copyright 2012-2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _AEMIF_H_
+#define _AEMIF_H_
+
+#define AEMIF_NUM_CS               4
+#define AEMIF_MODE_NOR             0
+#define AEMIF_MODE_NAND            1
+#define AEMIF_MODE_ONENAND         2
+#define AEMIF_PRESERVE             -1
+
+struct aemif_config {
+	unsigned mode;
+	unsigned select_strobe;
+	unsigned extend_wait;
+	unsigned wr_setup;
+	unsigned wr_strobe;
+	unsigned wr_hold;
+	unsigned rd_setup;
+	unsigned rd_strobe;
+	unsigned rd_hold;
+	unsigned turn_around;
+	enum {
+		AEMIF_WIDTH_8	= 0,
+		AEMIF_WIDTH_16	= 1,
+		AEMIF_WIDTH_32	= 2,
+	} width;
+};
+
+void aemif_init(int num_cs, struct aemif_config *config);
+
+#endif