Davinci 8xx: Move common functions to share code

As more Davinci 8xx board can be added, move common code
to be shared between boards.

 * rebased ontop of Sugosh's patches
 * moving the HAWKBOARD_KICK{0,1}_UNLOCK defines to
   arch/arm/include/asm/arch-davinci/davinci_misc.h from to
   arch/arm/include/asm/arch-davinci/da8xx_common.h
 * don't define dram functions in PRELOADER
 * move sync_env_enetaddr into existing EMAC ifdef
 * use misc.c in hawkboard nand_spl

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

arch/arm/include/asm/arch-davinci/da8xx_common.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __COMMON_H
-#define __COMMON_H
-
-#define	HAWKBOARD_KICK0_UNLOCK		0x83e70b13
-#define	HAWKBOARD_KICK1_UNLOCK		0x95a4f1e0
-
-struct lpsc_resource {
-	const int	lpsc_no;
-};
-
-void irq_init(void);
-int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
-				    int n_items);
-
-#if defined(CONFIG_DRIVER_TI_EMAC) && defined(CONFIG_MACH_DAVINCI_DA850_EVM)
-void da850_emac_mii_mode_sel(int mode_sel);
-#endif
-
-#endif /* __COMMON_H */

arch/arm/include/asm/arch-davinci/davinci_misc.h

@@ -45,10 +45,25 @@ struct pinmux_resource {
 				.n_pins = ARRAY_SIZE(item) \
 			  }
 
+#define HAWKBOARD_KICK0_UNLOCK          0x83e70b13
+#define HAWKBOARD_KICK1_UNLOCK          0x95a4f1e0
+
+struct lpsc_resource {
+	const int	lpsc_no;
+};
+
 int dvevm_read_mac_address(uint8_t *buf);
 void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr);
 int davinci_configure_pin_mux(const struct pinmux_config *pins, int n_pins);
 int davinci_configure_pin_mux_items(const struct pinmux_resource *item,
 				    int n_items);
+#if defined(CONFIG_DRIVER_TI_EMAC) && defined(CONFIG_MACH_DAVINCI_DA850_EVM)
+void davinci_emac_mii_mode_sel(int mode_sel);
+#endif
+#if defined(CONFIG_SOC_DA8XX)
+void irq_init(void);
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    const int n_items);
+#endif
 
 #endif /* __MISC_H */

board/davinci/common/misc.c

@@ -33,6 +33,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifndef CONFIG_PRELOADER
 int dram_init(void)
 {
 	/* dram_init must store complete ramsize in gd->ram_size */
@@ -47,6 +48,7 @@ void dram_init_banksize(void)
 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 	gd->bd->bi_dram[0].size = gd->ram_size;
 }
+#endif
 
 #ifdef CONFIG_DRIVER_TI_EMAC
 
@@ -75,6 +77,22 @@ err:
 	return 0;
 }
 
+/*
+ * Set the mii mode as MII or RMII
+ */
+#if defined(CONFIG_DRIVER_TI_EMAC)
+void davinci_emac_mii_mode_sel(int mode_sel)
+{
+	int val;
+
+	val = readl(&davinci_syscfg_regs->cfgchip3);
+	if (mode_sel == 0)
+		val &= ~(1 << 8);
+	else
+		val |= (1 << 8);
+	writel(val, &davinci_syscfg_regs->cfgchip3);
+}
+#endif
 /*
  * If there is no MAC address in the environment, then it will be initialized
  * (silently) from the value in the EEPROM.
@@ -94,4 +112,38 @@ void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
 	}
 }
 
-#endif	/* DAVINCI_EMAC */
+#endif	/* CONFIG_DRIVER_TI_EMAC */
+
+#if defined(CONFIG_SOC_DA8XX)
+#ifndef CONFIG_USE_IRQ
+void irq_init(void)
+{
+	/*
+	 * Mask all IRQs by clearing the global enable and setting
+	 * the enable clear for all the 90 interrupts.
+	 */
+
+	writel(0, &davinci_aintc_regs->ger);
+
+	writel(0, &davinci_aintc_regs->hier);
+
+	writel(0xffffffff, &davinci_aintc_regs->ecr1);
+	writel(0xffffffff, &davinci_aintc_regs->ecr2);
+	writel(0xffffffff, &davinci_aintc_regs->ecr3);
+}
+#endif
+
+/*
+ * Enable PSC for various peripherals.
+ */
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    const int n_items)
+{
+	int i;
+
+	for (i = 0; i < n_items; i++)
+		lpsc_on(item[i].lpsc_no);
+
+	return 0;
+}
+#endif

board/davinci/da8xxevm/Makefile

@@ -27,7 +27,6 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).o
 
-COBJS-y	+= common.o
 COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM)	+= da830evm.o
 COBJS-$(CONFIG_MACH_DAVINCI_DA850_EVM)	+= da850evm.o
 COBJS-$(CONFIG_MACH_DAVINCI_HAWK)	+= hawkboard.o

board/davinci/da8xxevm/common.c

@@ -1,69 +0,0 @@
-/*
- * Miscellaneous DA8XX functions.
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/da8xx_common.h>
-
-#ifndef CONFIG_USE_IRQ
-void irq_init(void)
-{
-	/*
-	 * Mask all IRQs by clearing the global enable and setting
-	 * the enable clear for all the 90 interrupts.
-	 */
-
-	writel(0, &davinci_aintc_regs->ger);
-
-	writel(0, &davinci_aintc_regs->hier);
-
-	writel(0xffffffff, &davinci_aintc_regs->ecr1);
-	writel(0xffffffff, &davinci_aintc_regs->ecr2);
-	writel(0xffffffff, &davinci_aintc_regs->ecr3);
-}
-#endif
-
-/*
- * Enable PSC for various peripherals.
- */
-int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
-				    const int n_items)
-{
-	int i;
-
-	for (i = 0; i < n_items; i++)
-		lpsc_on(item[i].lpsc_no);
-
-	return 0;
-}
-
-#if defined(CONFIG_DRIVER_TI_EMAC) && defined(CONFIG_MACH_DAVINCI_DA850_EVM)
-void da850_emac_mii_mode_sel(int mode_sel)
-{
-	int val;
-
-	val = readl(&davinci_syscfg_regs->cfgchip3);
-	if (mode_sel == 0)
-		val &= ~(1 << 8);
-	else
-		val |= (1 << 8);
-	writel(val, &davinci_syscfg_regs->cfgchip3);
-}
-#endif

board/davinci/da8xxevm/da830evm.c

@@ -41,7 +41,6 @@
 #include <asm/arch/emac_defs.h>
 #include <asm/io.h>
 #include <asm/arch/davinci_misc.h>
-#include <asm/arch/da8xx_common.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

board/davinci/da8xxevm/da850evm.c

@@ -30,7 +30,6 @@
 #include <asm/arch/emac_defs.h>
 #include <asm/io.h>
 #include <asm/arch/davinci_misc.h>
-#include <asm/arch/da8xx_common.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -220,7 +219,7 @@ int board_init(void)
 	if (davinci_configure_pin_mux(emac_pins, ARRAY_SIZE(emac_pins)) != 0)
 		return 1;
 
-	da850_emac_mii_mode_sel(HAS_RMII);
+	davinci_emac_mii_mode_sel(HAS_RMII);
 #endif /* CONFIG_DRIVER_TI_EMAC */
 
 	/* enable the console UART */

board/davinci/da8xxevm/hawkboard.c

@@ -28,7 +28,6 @@
 #include <asm/io.h>
 #include <asm/arch/davinci_misc.h>
 #include <ns16550.h>
-#include <asm/arch/da8xx_common.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

board/davinci/da8xxevm/hawkboard_nand_spl.c

@@ -28,7 +28,6 @@
 #include <asm/io.h>
 #include <asm/arch/davinci_misc.h>
 #include <ns16550.h>
-#include <asm/arch/da8xx_common.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

nand_spl/board/davinci/da8xxevm/Makefile

@@ -35,7 +35,7 @@ CFLAGS	+= -DCONFIG_PRELOADER -DCONFIG_NAND_SPL
 
 SOBJS	= start.o _udivsi3.o _divsi3.o
 COBJS	= cpu.o davinci_nand.o ns16550.o div0.o davinci_pinmux.o psc.o	\
-	common.o hawkboard_nand_spl.o nand_boot.o
+	misc.o hawkboard_nand_spl.o nand_boot.o
 
 SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
@@ -116,9 +116,9 @@ $(obj)hawkboard_nand_spl.c:
 	ln -s $(TOPDIR)/board/davinci/da8xxevm/hawkboard_nand_spl.c $@
 
 # from board directory
-$(obj)common.c:
+$(obj)misc.c:
 	@rm -f $@
-	ln -s $(TOPDIR)/board/davinci/da8xxevm/common.c $@
+	ln -s $(TOPDIR)/board/davinci/common/misc.c $@
 
 $(obj)psc.c:
 	@rm -f $@