6 files changed, 521 insertions, 0 deletions
diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile
new file mode 100644
index 0000000000..17cbe86c81
--- /dev/null
+++ b/board/davinci/da8xxevm/Makefile
@@ -0,0 +1,55 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	+= common.o
+COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM)	+= da830evm.o
+COBJS-$(CONFIG_MACH_DAVINCI_DA850_EVM)	+= da850evm.o
+
+COBJS   := $(COBJS-y)
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak *~ .depend
+
+#########################################################################
+# This is for $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/davinci/da8xxevm/common.c b/board/davinci/da8xxevm/common.c
new file mode 100644
index 0000000000..9cd5204c74
--- /dev/null
+++ b/board/davinci/da8xxevm/common.c
@@ -0,0 +1,55 @@
+/*
+ * 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 "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;
+}
diff --git a/board/davinci/da8xxevm/common.h b/board/davinci/da8xxevm/common.h
new file mode 100644
index 0000000000..7ae63a6d38
--- /dev/null
+++ b/board/davinci/da8xxevm/common.h
@@ -0,0 +1,30 @@
+/*
+ * 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
+
+struct lpsc_resource {
+	const int	lpsc_no;
+};
+
+void irq_init(void);
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    int n_items);
+
+#endif /* __COMMON_H */
diff --git a/board/davinci/da8xxevm/config.mk b/board/davinci/da8xxevm/config.mk
new file mode 100644
index 0000000000..6da29a979f
--- /dev/null
+++ b/board/davinci/da8xxevm/config.mk
@@ -0,0 +1,43 @@
+#
+# (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+# Texas Instruments DA8xx EVM board (ARM925EJS) cpu
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# DA8xx EVM has 1 bank of 64 MB SDRAM (2 16Meg x16 chips).
+# Physical Address:
+# C000'0000 to C400'0000
+#
+# Linux-Kernel is expected to be at C000'8000, entry C000'8000
+# (mem base + reserved)
+#
+# we load ourself to C108 '0000
+
+
+#Provide at least 16MB spacing between us and the Linux Kernel image
+TEXT_BASE = 0xC1080000
diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c
new file mode 100644
index 0000000000..57506d647a
--- /dev/null
+++ b/board/davinci/da8xxevm/da830evm.c
@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
+ *
+ * Base on code from TI. Original Notices follow:
+ *
+ * (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/
+ *
+ * Modified for DA8xx EVM.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts are shamelessly stolen from various TI sources, original copyright
+ * follows:
+ * -----------------------------------------------------------------
+ *
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ * 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 <common.h>
+#include <i2c.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/io.h>
+#include "../common/misc.h"
+#include "common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define pinmux	&davinci_syscfg_regs->pinmux
+
+/* SPI0 pin muxer settings */
+static const struct pinmux_config spi0_pins[] = {
+	{ pinmux[7], 1, 3 },
+	{ pinmux[7], 1, 4 },
+	{ pinmux[7], 1, 5 },
+	{ pinmux[7], 1, 6 },
+	{ pinmux[7], 1, 7 }
+};
+
+/* EMIF-A bus pins for 8-bit NAND support on CS3 */
+static const struct pinmux_config emifa_nand_pins[] = {
+	{ pinmux[13], 1, 6 },
+	{ pinmux[13], 1, 7 },
+	{ pinmux[14], 1, 0 },
+	{ pinmux[14], 1, 1 },
+	{ pinmux[14], 1, 2 },
+	{ pinmux[14], 1, 3 },
+	{ pinmux[14], 1, 4 },
+	{ pinmux[14], 1, 5 },
+	{ pinmux[15], 1, 7 },
+	{ pinmux[16], 1, 0 },
+	{ pinmux[18], 1, 1 },
+	{ pinmux[18], 1, 4 },
+	{ pinmux[18], 1, 5 },
+};
+
+/* EMAC PHY interface pins */
+static const struct pinmux_config emac_pins[] = {
+	{ pinmux[9], 0, 5 },
+	{ pinmux[10], 2, 1 },
+	{ pinmux[10], 2, 2 },
+	{ pinmux[10], 2, 3 },
+	{ pinmux[10], 2, 4 },
+	{ pinmux[10], 2, 5 },
+	{ pinmux[10], 2, 6 },
+	{ pinmux[10], 2, 7 },
+	{ pinmux[11], 2, 0 },
+	{ pinmux[11], 2, 1 },
+};
+
+/* UART pin muxer settings */
+static const struct pinmux_config uart_pins[] = {
+	{ pinmux[8], 2, 7 },
+	{ pinmux[9], 2, 0 }
+};
+
+/* I2C pin muxer settings */
+static const struct pinmux_config i2c_pins[] = {
+	{ pinmux[8], 2, 3 },
+	{ pinmux[8], 2, 4 }
+};
+
+/* USB0_DRVVBUS pin muxer settings */
+static const struct pinmux_config usb_pins[] = {
+	{ pinmux[9], 1, 1 }
+};
+
+static const struct pinmux_resource pinmuxes[] = {
+#ifdef CONFIG_SPI_FLASH
+	PINMUX_ITEM(spi0_pins),
+#endif
+	PINMUX_ITEM(uart_pins),
+	PINMUX_ITEM(i2c_pins),
+#ifdef CONFIG_USB_DA8XX
+	PINMUX_ITEM(usb_pins),
+#endif
+#ifdef CONFIG_USE_NAND
+	PINMUX_ITEM(emifa_nand_pins),
+#endif
+#if defined(CONFIG_DRIVER_TI_EMAC)
+	PINMUX_ITEM(emac_pins),
+#endif
+};
+
+static const struct lpsc_resource lpsc[] = {
+	{ DAVINCI_LPSC_AEMIF },	/* NAND, NOR */
+	{ DAVINCI_LPSC_SPI0 },	/* Serial Flash */
+	{ DAVINCI_LPSC_EMAC },	/* image download */
+	{ DAVINCI_LPSC_UART2 },	/* console */
+	{ DAVINCI_LPSC_GPIO },
+};
+
+int board_init(void)
+{
+#ifndef CONFIG_USE_IRQ
+	irq_init();
+#endif
+
+#ifdef CONFIG_NAND_DAVINCI
+	/* EMIFA 100MHz clock select */
+	writel(readl(&davinci_syscfg_regs->cfgchip3) & ~2,
+	       &davinci_syscfg_regs->cfgchip3);
+	/* NAND CS setup */
+	writel((DAVINCI_ABCR_WSETUP(0) |
+		DAVINCI_ABCR_WSTROBE(2) |
+		DAVINCI_ABCR_WHOLD(0) |
+		DAVINCI_ABCR_RSETUP(0) |
+		DAVINCI_ABCR_RSTROBE(2) |
+		DAVINCI_ABCR_RHOLD(0) |
+		DAVINCI_ABCR_TA(2) |
+		DAVINCI_ABCR_ASIZE_8BIT),
+	       &davinci_emif_regs->ab2cr);
+#endif
+
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA830_EVM;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/*
+	 * Power on required peripherals
+	 * ARM does not have access by default to PSC0 and PSC1
+	 * assuming here that the DSP bootloader has set the IOPU
+	 * such that PSC access is available to ARM
+	 */
+	if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
+		return 1;
+
+	/* setup the SUSPSRC for ARM to control emulation suspend */
+	writel(readl(&davinci_syscfg_regs->suspsrc) &
+	       ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
+		 DAVINCI_SYSCFG_SUSPSRC_SPI0 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
+		 DAVINCI_SYSCFG_SUSPSRC_UART2),
+	       &davinci_syscfg_regs->suspsrc);
+
+	/* configure pinmux settings */
+	if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
+		return 1;
+
+	/* enable the console UART */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
+
+	return(0);
+}
+
+#if defined(CONFIG_DRIVER_TI_EMAC)
+
+#define PHY_SW_I2C_ADDR	0x5f /* Address of PHY on i2c bus */
+
+/*
+ * Initializes on-board ethernet controllers.
+ */
+int board_eth_init(bd_t *bis)
+{
+	u_int8_t mac_addr[6];
+	u_int8_t switch_start_cmd[2] = { 0x01, 0x23 };
+
+	/* Read Ethernet MAC address from EEPROM */
+	if (dvevm_read_mac_address(mac_addr))
+		/* set address env if not already set */
+		dv_configure_mac_address(mac_addr);
+
+	/* read the address back from env */
+	if (!eth_getenv_enetaddr("ethaddr", mac_addr))
+		return -1;
+
+	/* provide the resulting addr to the driver */
+	davinci_eth_set_mac_addr(mac_addr);
+
+	/* enable the Ethernet switch in the 3 port PHY */
+	if (i2c_write(PHY_SW_I2C_ADDR, 0, 0,
+			switch_start_cmd, sizeof(switch_start_cmd))) {
+		printf("Ethernet switch start failed!\n");
+		return -1;
+	}
+
+	/* finally, initialise the driver */
+	if (!davinci_emac_initialize()) {
+		printf("Error: Ethernet init failed!\n");
+		return -1;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_DRIVER_TI_EMAC */
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
new file mode 100644
index 0000000000..959b2c6ffb
--- /dev/null
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Based on da830evm.c. Original Copyrights follow:
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * 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 <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include "../common/misc.h"
+#include "common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define pinmux	(&davinci_syscfg_regs->pinmux)
+
+/* SPI0 pin muxer settings */
+static const struct pinmux_config spi1_pins[] = {
+	{ pinmux[5], 1, 1 },
+	{ pinmux[5], 1, 2 },
+	{ pinmux[5], 1, 4 },
+	{ pinmux[5], 1, 5 }
+};
+
+/* UART pin muxer settings */
+static const struct pinmux_config uart_pins[] = {
+	{ pinmux[0], 4, 6 },
+	{ pinmux[0], 4, 7 },
+	{ pinmux[4], 2, 4 },
+	{ pinmux[4], 2, 5 }
+};
+
+/* I2C pin muxer settings */
+static const struct pinmux_config i2c_pins[] = {
+	{ pinmux[4], 2, 2 },
+	{ pinmux[4], 2, 3 }
+};
+
+static const struct pinmux_resource pinmuxes[] = {
+#ifdef CONFIG_SPI_FLASH
+	PINMUX_ITEM(spi1_pins),
+#endif
+	PINMUX_ITEM(uart_pins),
+	PINMUX_ITEM(i2c_pins),
+};
+
+static const struct lpsc_resource lpsc[] = {
+	{ DAVINCI_LPSC_AEMIF },	/* NAND, NOR */
+	{ DAVINCI_LPSC_SPI1 },	/* Serial Flash */
+	{ DAVINCI_LPSC_EMAC },	/* image download */
+	{ DAVINCI_LPSC_UART2 },	/* console */
+	{ DAVINCI_LPSC_GPIO },
+};
+
+int board_init(void)
+{
+#ifndef CONFIG_USE_IRQ
+	irq_init();
+#endif
+
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA850_EVM;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	/*
+	 * Power on required peripherals
+	 * ARM does not have access by default to PSC0 and PSC1
+	 * assuming here that the DSP bootloader has set the IOPU
+	 * such that PSC access is available to ARM
+	 */
+	if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc)))
+		return 1;
+
+	/* setup the SUSPSRC for ARM to control emulation suspend */
+	writel(readl(&davinci_syscfg_regs->suspsrc) &
+	       ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
+		 DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
+		 DAVINCI_SYSCFG_SUSPSRC_UART2),
+	       &davinci_syscfg_regs->suspsrc);
+
+	/* configure pinmux settings */
+	if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
+		return 1;
+
+	/* enable the console UART */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
+
+	return 0;
+}