[U-Boot] [U-boot] [Patch v3] ARM: keystone: aemif: move aemif driver to drivers/memory/ti-aemif.c
Ivan Khoronzhuk
ivan.khoronzhuk at ti.com
Sat Jun 7 04:10:49 CEST 2014
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 at ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk at ti.com>
---
v2..v1
- moved driver header from drivers to asm/ti-common
Based on [U-boot] [Patch v3] mtd: nand: davinci: add header file for driver
definitions
arch/arm/cpu/armv7/keystone/Makefile | 1 -
arch/arm/include/asm/arch-keystone/hardware-k2hk.h | 7 ----
arch/arm/include/asm/arch-keystone/hardware.h | 30 +++--------------
arch/arm/include/asm/ti-common/ti-aemif.h | 39 ++++++++++++++++++++++
board/ti/k2hk_evm/board.c | 9 ++---
drivers/Makefile | 1 +
drivers/memory/Makefile | 1 +
.../keystone/aemif.c => drivers/memory/ti-aemif.c | 37 ++++++++++++--------
include/configs/k2hk_evm.h | 4 +++
9 files changed, 77 insertions(+), 52 deletions(-)
create mode 100644 arch/arm/include/asm/ti-common/ti-aemif.h
create mode 100644 drivers/memory/Makefile
rename arch/arm/cpu/armv7/keystone/aemif.c => drivers/memory/ti-aemif.c (63%)
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/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
diff --git a/board/ti/k2hk_evm/board.c b/board/ti/k2hk_evm/board.c
index 53f26b2..ef90f9d 100644
--- a/board/ti/k2hk_evm/board.c
+++ b/board/ti/k2hk_evm/board.c
@@ -18,6 +18,7 @@
#include <asm/mach-types.h>
#include <asm/arch/emac_defs.h>
#include <asm/arch/psc_defs.h>
+#include <asm/ti-common/ti-aemif.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -39,9 +40,9 @@ unsigned int external_clk[ext_clk_count] = {
what is that */
};
-static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = {
+static struct aemif_config aemif_configs[] = {
{ /* CS0 */
- .mode = ASYNC_EMIF_MODE_NAND,
+ .mode = AEMIF_MODE_NAND,
.wr_setup = 0xf,
.wr_strobe = 0x3f,
.wr_hold = 7,
@@ -49,7 +50,7 @@ static struct async_emif_config async_emif_config[ASYNC_EMIF_NUM_CS] = {
.rd_strobe = 0x3f,
.rd_hold = 7,
.turn_around = 3,
- .width = ASYNC_EMIF_8,
+ .width = AEMIF_WIDTH_8,
},
};
@@ -66,7 +67,7 @@ int dram_init(void)
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
CONFIG_MAX_RAM_BANK_SIZE);
- init_async_emif(ARRAY_SIZE(async_emif_config), async_emif_config);
+ aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs);
return 0;
}
diff --git a/drivers/Makefile b/drivers/Makefile
index 5d03f37..b23076f 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -14,3 +14,4 @@ obj-y += twserial/
obj-y += video/
obj-y += watchdog/
obj-$(CONFIG_QE) += qe/
+obj-y += memory/
diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
new file mode 100644
index 0000000..9bfb9c7
--- /dev/null
+++ b/drivers/memory/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_TI_AEMIF) += ti-aemif.o
diff --git a/arch/arm/cpu/armv7/keystone/aemif.c b/drivers/memory/ti-aemif.c
similarity index 63%
rename from arch/arm/cpu/armv7/keystone/aemif.c
rename to drivers/memory/ti-aemif.c
index bcbb95a..f821dae 100644
--- a/arch/arm/cpu/armv7/keystone/aemif.c
+++ b/drivers/memory/ti-aemif.c
@@ -8,9 +8,13 @@
*/
#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/ti-common/davinci_nand.h>
+#include <asm/ti-common/ti-aemif.h>
+
+#define AEMIF_WAITCYCLE_CONFIG (CONFIG_AEMIF_CNTRL_BASE + 0x4)
+#define AEMIF_NAND_CONTROL (CONFIG_AEMIF_CNTRL_BASE + 0x60)
+#define AEMIF_ONENAND_CONTROL (CONFIG_AEMIF_CNTRL_BASE + 0x5c)
+#define AEMIF_CONFIG(cs) (CONFIG_AEMIF_CNTRL_BASE + 0x10 \
+ + (cs * 4))
#define AEMIF_CFG_SELECT_STROBE(v) ((v) ? 1 << 31 : 0)
#define AEMIF_CFG_EXTEND_WAIT(v) ((v) ? 1 << 30 : 0)
@@ -31,22 +35,22 @@
} \
} while (0)
-void configure_async_emif(int cs, struct async_emif_config *cfg)
+static void aemif_configure(int cs, struct aemif_config *cfg)
{
unsigned long tmp;
- if (cfg->mode == ASYNC_EMIF_MODE_NAND) {
- tmp = __raw_readl(&davinci_emif_regs->nandfcr);
+ if (cfg->mode == AEMIF_MODE_NAND) {
+ tmp = __raw_readl(AEMIF_NAND_CONTROL);
tmp |= (1 << cs);
- __raw_writel(tmp, &davinci_emif_regs->nandfcr);
+ __raw_writel(tmp, AEMIF_NAND_CONTROL);
- } else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) {
- tmp = __raw_readl(&davinci_emif_regs->one_nand_cr);
+ } else if (cfg->mode == AEMIF_MODE_ONENAND) {
+ tmp = __raw_readl(AEMIF_ONENAND_CONTROL);
tmp |= (1 << cs);
- __raw_writel(tmp, &davinci_emif_regs->one_nand_cr);
+ __raw_writel(tmp, AEMIF_ONENAND_CONTROL);
}
- tmp = __raw_readl(&davinci_emif_regs->abncr[cs]);
+ tmp = __raw_readl(AEMIF_CONFIG(cs));
set_config_field(tmp, SELECT_STROBE, cfg->select_strobe);
set_config_field(tmp, EXTEND_WAIT, cfg->extend_wait);
@@ -59,13 +63,18 @@ void configure_async_emif(int cs, struct async_emif_config *cfg)
set_config_field(tmp, TURN_AROUND, cfg->turn_around);
set_config_field(tmp, WIDTH, cfg->width);
- __raw_writel(tmp, &davinci_emif_regs->abncr[cs]);
+ __raw_writel(tmp, AEMIF_CONFIG(cs));
}
-void init_async_emif(int num_cs, struct async_emif_config *config)
+void aemif_init(int num_cs, struct aemif_config *config)
{
int cs;
+ if (num_cs > AEMIF_NUM_CS) {
+ num_cs = AEMIF_NUM_CS;
+ printf("AEMIF: csnum has to be <= 5");
+ }
+
for (cs = 0; cs < num_cs; cs++)
- configure_async_emif(cs, config + cs);
+ aemif_configure(cs, config + cs);
}
diff --git a/include/configs/k2hk_evm.h b/include/configs/k2hk_evm.h
index 61f41ed..cd7a366 100644
--- a/include/configs/k2hk_evm.h
+++ b/include/configs/k2hk_evm.h
@@ -129,6 +129,10 @@
#define CONFIG_SYS_SGMII_LINERATE_MHZ 1250
#define CONFIG_SYS_SGMII_RATESCALE 2
+/* AEMIF */
+#define CONFIG_TI_AEMIF
+#define CONFIG_AEMIF_CNTRL_BASE KS2_AEMIF_CNTRL_BASE
+
/* NAND Configuration */
#define CONFIG_NAND_DAVINCI
#define CONFIG_CMD_NAND_ECCLAYOUT
--
1.8.3.2
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