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authorKhoronzhuk, Ivan <ivan.khoronzhuk@ti.com>2014-06-07 05:10:49 +0300
committerTom Rini <trini@ti.com>2014-06-19 17:53:58 -0400
commit909ea9aa264423c99cd3039475c98f4a069cb7a4 (patch)
tree0cfceb0d1021b204d9895c00c3cb314d9a141840 /arch
parent3e01ed00da98a29fe2b71c6d60309d5b09adc0de (diff)
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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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/keystone/Makefile1
-rw-r--r--arch/arm/cpu/armv7/keystone/aemif.c71
-rw-r--r--arch/arm/include/asm/arch-keystone/hardware-k2hk.h7
-rw-r--r--arch/arm/include/asm/arch-keystone/hardware.h30
-rw-r--r--arch/arm/include/asm/ti-common/ti-aemif.h39
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