SPEAr: Configure FSMC driver for NAND interface

Since FSMC is a standard IP and it supports different memory interfaces, it
is supported independent of spear platform and spear is configured to use that
driver for interfacing with the NAND device

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Scott Wood <scottwood@freescale.com>

diff --git a/arch/arm/include/asm/arch-spear/hardware.h b/arch/arm/include/asm/arch-spear/hardware.h
index 818f36c..a6517b2 100644 (file)
--- a/arch/arm/include/asm/arch-spear/hardware.h
+++ b/arch/arm/include/asm/arch-spear/hardware.h
@@ -37,15 +37,15 @@
 
 #if defined(CONFIG_SPEAR600)
 #define CONFIG_SYS_I2C_BASE                    (0xD0200000)
-#define CONFIG_SPEAR_FSMCBASE                  (0xD1800000)
+#define CONFIG_SYS_FSMC_BASE                   (0xD1800000)
 
 #elif defined(CONFIG_SPEAR300)
 #define CONFIG_SYS_I2C_BASE                    (0xD0180000)
-#define CONFIG_SPEAR_FSMCBASE                  (0x94000000)
+#define CONFIG_SYS_FSMC_BASE                   (0x94000000)
 
 #elif defined(CONFIG_SPEAR310)
 #define CONFIG_SYS_I2C_BASE                    (0xD0180000)
-#define CONFIG_SPEAR_FSMCBASE                  (0x44000000)
+#define CONFIG_SYS_FSMC_BASE                   (0x44000000)
 
 #undef CONFIG_SYS_NAND_CLE
 #undef CONFIG_SYS_NAND_ALE
@@ -57,7 +57,7 @@
 
 #elif defined(CONFIG_SPEAR320)
 #define CONFIG_SYS_I2C_BASE                    (0xD0180000)
-#define CONFIG_SPEAR_FSMCBASE                  (0x4C000000)
+#define CONFIG_SYS_FSMC_BASE                   (0x4C000000)
 
 #define CONFIG_SPEAR_EMIBASE                   (0x40000000)
 #define CONFIG_SPEAR_RASBASE                   (0xB3000000)

diff --git a/board/spear/spear300/spear300.c b/board/spear/spear300/spear300.c
index 60ee544..72a3631 100644 (file)
--- a/board/spear/spear300/spear300.c
+++ b/board/spear/spear300/spear300.c
@@ -24,10 +24,12 @@
 #include <common.h>
 #include <nand.h>
 #include <asm/io.h>
+#include <linux/mtd/fsmc_nand.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/spr_defs.h>
 #include <asm/arch/spr_misc.h>
-#include <asm/arch/spr_nand.h>
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
 
 int board_init(void)
 {
@@ -41,18 +43,20 @@ int board_init(void)
  * Called by nand_init_chip to initialize the board specific functions
  */
 
-int board_nand_init(struct nand_chip *nand)
+void board_nand_init()
 {
        struct misc_regs *const misc_regs_p =
            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+       struct nand_chip *nand = &nand_chip[0];
 
+#if defined(CONFIG_NAND_FSMC)
        if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG30) ||
            ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG31)) {
 
-               return spear_nand_init(nand);
+               fsmc_nand_init(nand);
        }
-
-       return -1;
+#endif
+       return;
 }

diff --git a/board/spear/spear310/spear310.c b/board/spear/spear310/spear310.c
index 03dfe16..14e666d 100644 (file)
--- a/board/spear/spear310/spear310.c
+++ b/board/spear/spear310/spear310.c
@@ -25,10 +25,12 @@
 #include <common.h>
 #include <nand.h>
 #include <asm/io.h>
+#include <linux/mtd/fsmc_nand.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/spr_defs.h>
 #include <asm/arch/spr_misc.h>
-#include <asm/arch/spr_nand.h>
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
 
 int board_init(void)
 {
@@ -42,18 +44,20 @@ int board_init(void)
  * Called by nand_init_chip to initialize the board specific functions
  */
 
-int board_nand_init(struct nand_chip *nand)
+void board_nand_init()
 {
        struct misc_regs *const misc_regs_p =
            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+       struct nand_chip *nand = &nand_chip[0];
 
+#if defined(CONFIG_NAND_FSMC)
        if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG30) ||
            ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG31)) {
 
-               return spear_nand_init(nand);
+               fsmc_nand_init(nand);
        }
-
-       return -1;
+#endif
+       return;
 }

diff --git a/board/spear/spear320/spear320.c b/board/spear/spear320/spear320.c
index 2ba2dbb..994eb2b 100644 (file)
--- a/board/spear/spear320/spear320.c
+++ b/board/spear/spear320/spear320.c
@@ -25,10 +25,12 @@
 #include <common.h>
 #include <nand.h>
 #include <asm/io.h>
+#include <linux/mtd/fsmc_nand.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/spr_defs.h>
 #include <asm/arch/spr_misc.h>
-#include <asm/arch/spr_nand.h>
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
 
 int board_init(void)
 {
@@ -42,18 +44,21 @@ int board_init(void)
  * Called by nand_init_chip to initialize the board specific functions
  */
 
-int board_nand_init(struct nand_chip *nand)
+void board_nand_init()
 {
        struct misc_regs *const misc_regs_p =
            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+       struct nand_chip *nand = &nand_chip[0];
 
+#if defined(CONFIG_NAND_FSMC)
        if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG30) ||
            ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
             MISC_SOCCFG31)) {
 
-               return spear_nand_init(nand);
+               fsmc_nand_init(nand);
        }
+#endif
 
-       return -1;
+       return;
 }

diff --git a/board/spear/spear600/spear600.c b/board/spear/spear600/spear600.c
index eef9a37..ab0f760 100644 (file)
--- a/board/spear/spear600/spear600.c
+++ b/board/spear/spear600/spear600.c
@@ -24,10 +24,12 @@
 #include <common.h>
 #include <nand.h>
 #include <asm/io.h>
+#include <linux/mtd/fsmc_nand.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/spr_defs.h>
 #include <asm/arch/spr_misc.h>
-#include <asm/arch/spr_nand.h>
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
 
 int board_init(void)
 {
@@ -41,13 +43,15 @@ int board_init(void)
  * Called by nand_init_chip to initialize the board specific functions
  */
 
-int board_nand_init(struct nand_chip *nand)
+void board_nand_init()
 {
        struct misc_regs *const misc_regs_p =
            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+       struct nand_chip *nand = &nand_chip[0];
 
+#if defined(CONFIG_NAND_FSMC)
        if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS))
-               return spear_nand_init(nand);
-
-       return -1;
+               fsmc_nand_init(nand);
+#endif
+       return;
 }

diff --git a/include/configs/spear-common.h b/include/configs/spear-common.h
index ab1b332..8d0f036 100644 (file)
--- a/include/configs/spear-common.h
+++ b/include/configs/spear-common.h
@@ -88,9 +88,10 @@
 #define CONFIG_SYS_LOADS_BAUD_CHANGE
 
 /* NAND FLASH Configuration */
+#define CONFIG_SYS_NAND_SELF_INIT
 #define CONFIG_MTD_DEVICE
 #define CONFIG_MTD_PARTITIONS
-#define CONFIG_NAND_SPEAR                      1
+#define CONFIG_NAND_FSMC
 #define CONFIG_SYS_MAX_NAND_DEVICE             1
 #define CONFIG_MTD_NAND_VERIFY_WRITE           1
 

diff --git a/include/configs/spear3xx.h b/include/configs/spear3xx.h
index 37bdebb..2a86c21 100644 (file)
--- a/include/configs/spear3xx.h
+++ b/include/configs/spear3xx.h
@@ -117,6 +117,10 @@
 
 #endif
 
+/* NAND flash configuration */
+#define CONFIG_SYS_FSMC_NAND_SP
+#define CONFIG_SYS_FSMC_NAND_8BIT
+
 #if defined(CONFIG_SPEAR300)
 #define CONFIG_SYS_NAND_BASE                   (0x80000000)
 

diff --git a/include/configs/spear6xx.h b/include/configs/spear6xx.h
index 2ad5beb..c5bcc30 100644 (file)
--- a/include/configs/spear6xx.h
+++ b/include/configs/spear6xx.h
@@ -38,6 +38,9 @@
 #define CONFIG_PL01x_PORTS                     { (void *)CONFIG_SYS_SERIAL0, \
                                                (void *)CONFIG_SYS_SERIAL1 }
 
+/* NAND flash configuration */
+#define CONFIG_SYS_FSMC_NAND_SP
+#define CONFIG_SYS_FSMC_NAND_8BIT
 #define CONFIG_SYS_NAND_BASE                   (0xD2000000)
 
 #endif  /* __CONFIG_H */