Merge branch 'next' of ../next

7 files changed, 336 insertions, 94 deletions

diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile
index 88fee50047..c1b2119d59 100644
--- a/board/davinci/da8xxevm/Makefile
+++ b/board/davinci/da8xxevm/Makefile
@@ -27,9 +27,9 @@ 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
 
 COBJS   := $(COBJS-y)
 
diff --git a/board/davinci/da8xxevm/common.c b/board/davinci/da8xxevm/common.c
deleted file mode 100644
index 9cd5204c74..0000000000
--- a/board/davinci/da8xxevm/common.c
+++ /dev/null
@@ -1,55 +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 "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
deleted file mode 100644
index 7ae63a6d38..0000000000
--- a/board/davinci/da8xxevm/common.h
+++ /dev/null
@@ -1,30 +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
-
-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/da830evm.c b/board/davinci/da8xxevm/da830evm.c
index 8a9f9884d6..06506537b2 100644
--- a/board/davinci/da8xxevm/da830evm.c
+++ b/board/davinci/da8xxevm/da830evm.c
@@ -40,8 +40,7 @@
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/emac_defs.h>
 #include <asm/io.h>
-#include "../common/misc.h"
-#include "common.h"
+#include <asm/arch/davinci_misc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index c3267cbf51..b088c9c3e3 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -29,8 +29,7 @@
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/emac_defs.h>
 #include <asm/io.h>
-#include "../common/misc.h"
-#include "common.h"
+#include <asm/arch/davinci_misc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -54,6 +53,15 @@ static const struct pinmux_config uart_pins[] = {
 
 #ifdef CONFIG_DRIVER_TI_EMAC
 static const struct pinmux_config emac_pins[] = {
+#ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
+	{ pinmux(14), 8, 2 },
+	{ pinmux(14), 8, 3 },
+	{ pinmux(14), 8, 4 },
+	{ pinmux(14), 8, 5 },
+	{ pinmux(14), 8, 6 },
+	{ pinmux(14), 8, 7 },
+	{ pinmux(15), 8, 1 },
+#else /* ! CONFIG_DRIVER_TI_EMAC_USE_RMII */
 	{ pinmux(2), 8, 1 },
 	{ pinmux(2), 8, 2 },
 	{ pinmux(2), 8, 3 },
@@ -69,10 +77,10 @@ static const struct pinmux_config emac_pins[] = {
 	{ pinmux(3), 8, 5 },
 	{ pinmux(3), 8, 6 },
 	{ pinmux(3), 8, 7 },
+#endif /* CONFIG_DRIVER_TI_EMAC_USE_RMII */
 	{ pinmux(4), 8, 0 },
 	{ pinmux(4), 8, 1 }
 };
-#endif /* CONFIG_DRIVER_TI_EMAC */
 
 /* I2C pin muxer settings */
 static const struct pinmux_config i2c_pins[] = {
@@ -99,6 +107,13 @@ const struct pinmux_config nand_pins[] = {
 };
 #endif
 
+#ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
+#define HAS_RMII 1
+#else
+#define HAS_RMII 0
+#endif
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
 static const struct pinmux_resource pinmuxes[] = {
 #ifdef CONFIG_SPI_FLASH
 	PINMUX_ITEM(spi1_pins),
@@ -203,9 +218,8 @@ int board_init(void)
 #ifdef CONFIG_DRIVER_TI_EMAC
 	if (davinci_configure_pin_mux(emac_pins, ARRAY_SIZE(emac_pins)) != 0)
 		return 1;
-	/* set cfgchip3 to select MII */
-	writel(readl(&davinci_syscfg_regs->cfgchip3) & ~(1 << 8),
-			     &davinci_syscfg_regs->cfgchip3);
+
+	davinci_emac_mii_mode_sel(HAS_RMII);
 #endif /* CONFIG_DRIVER_TI_EMAC */
 
 	/* enable the console UART */
@@ -218,11 +232,100 @@ int board_init(void)
 
 #ifdef CONFIG_DRIVER_TI_EMAC
 
+#ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
+/**
+ * rmii_hw_init
+ *
+ * DA850/OMAP-L138 EVM can interface to a daughter card for
+ * additional features. This card has an I2C GPIO Expander TCA6416
+ * to select the required functions like camera, RMII Ethernet,
+ * character LCD, video.
+ *
+ * Initialization of the expander involves configuring the
+ * polarity and direction of the ports. P07-P05 are used here.
+ * These ports are connected to a Mux chip which enables only one
+ * functionality at a time.
+ *
+ * For RMII phy to respond, the MII MDIO clock has to be  disabled
+ * since both the PHY devices have address as zero. The MII MDIO
+ * clock is controlled via GPIO2[6].
+ *
+ * This code is valid for Beta version of the hardware
+ */
+int rmii_hw_init(void)
+{
+	const struct pinmux_config gpio_pins[] = {
+		{ pinmux(6), 8, 1 }
+	};
+	u_int8_t buf[2];
+	unsigned int temp;
+	int ret;
+
+	/* PinMux for GPIO */
+	if (davinci_configure_pin_mux(gpio_pins, ARRAY_SIZE(gpio_pins)) != 0)
+		return 1;
+
+	/* I2C Exapnder configuration */
+	/* Set polarity to non-inverted */
+	buf[0] = 0x0;
+	buf[1] = 0x0;
+	ret = i2c_write(CONFIG_SYS_I2C_EXPANDER_ADDR, 4, 1, buf, 2);
+	if (ret) {
+		printf("\nExpander @ 0x%02x write FAILED!!!\n",
+				CONFIG_SYS_I2C_EXPANDER_ADDR);
+		return ret;
+	}
+
+	/* Configure P07-P05 as outputs */
+	buf[0] = 0x1f;
+	buf[1] = 0xff;
+	ret = i2c_write(CONFIG_SYS_I2C_EXPANDER_ADDR, 6, 1, buf, 2);
+	if (ret) {
+		printf("\nExpander @ 0x%02x write FAILED!!!\n",
+				CONFIG_SYS_I2C_EXPANDER_ADDR);
+	}
+
+	/* For Ethernet RMII selection
+	 * P07(SelA)=0
+	 * P06(SelB)=1
+	 * P05(SelC)=1
+	 */
+	if (i2c_read(CONFIG_SYS_I2C_EXPANDER_ADDR, 2, 1, buf, 1)) {
+		printf("\nExpander @ 0x%02x read FAILED!!!\n",
+				CONFIG_SYS_I2C_EXPANDER_ADDR);
+	}
+
+	buf[0] &= 0x1f;
+	buf[0] |= (0 << 7) | (1 << 6) | (1 << 5);
+	if (i2c_write(CONFIG_SYS_I2C_EXPANDER_ADDR, 2, 1, buf, 1)) {
+		printf("\nExpander @ 0x%02x write FAILED!!!\n",
+				CONFIG_SYS_I2C_EXPANDER_ADDR);
+	}
+
+	/* Set the output as high */
+	temp = REG(GPIO_BANK2_REG_SET_ADDR);
+	temp |= (0x01 << 6);
+	REG(GPIO_BANK2_REG_SET_ADDR) = temp;
+
+	/* Set the GPIO direction as output */
+	temp = REG(GPIO_BANK2_REG_DIR_ADDR);
+	temp &= ~(0x01 << 6);
+	REG(GPIO_BANK2_REG_DIR_ADDR) = temp;
+
+	return 0;
+}
+#endif /* CONFIG_DRIVER_TI_EMAC_USE_RMII */
+
 /*
  * Initializes on-board ethernet controllers.
  */
 int board_eth_init(bd_t *bis)
 {
+#ifdef CONFIG_DRIVER_TI_EMAC_USE_RMII
+	/* Select RMII fucntion through the expander */
+	if (rmii_hw_init())
+		printf("RMII hardware init failed!!!\n");
+#endif
 	if (!davinci_emac_initialize()) {
 		printf("Error: Ethernet init failed!\n");
 		return -1;
diff --git a/board/davinci/da8xxevm/hawkboard.c b/board/davinci/da8xxevm/hawkboard.c
new file mode 100644
index 0000000000..f34830ed24
--- /dev/null
+++ b/board/davinci/da8xxevm/hawkboard.c
@@ -0,0 +1,68 @@
+/*
+ * Modified for Hawkboard - Syed Mohammed Khasim <khasim@beagleboard.org>
+ *
+ * Copyright (C) 2008 Sekhar Nori, Texas Instruments, Inc.  <nsekhar@ti.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * 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 <asm/errno.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+#include <ns16550.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	/* arch number of the board */
+	gd->bd->bi_arch_number = MACH_TYPE_OMAPL138_HAWKBOARD;
+
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	/*
+	 * Kick Registers need to be set to allow access to Pin Mux registers
+	 */
+	writel(HAWKBOARD_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
+	writel(HAWKBOARD_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
+
+	/* set cfgchip3 to select mii */
+	writel(readl(&davinci_syscfg_regs->cfgchip3) &
+	       ~(1 << 8), &davinci_syscfg_regs->cfgchip3);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	char buf[32];
+
+	printf("ARM Clock : %s MHz\n",
+	       strmhz(buf, clk_get(DAVINCI_ARM_CLKID)));
+
+	return 0;
+}
diff --git a/board/davinci/da8xxevm/hawkboard_nand_spl.c b/board/davinci/da8xxevm/hawkboard_nand_spl.c
new file mode 100644
index 0000000000..915523632e
--- /dev/null
+++ b/board/davinci/da8xxevm/hawkboard_nand_spl.c
@@ -0,0 +1,157 @@
+/*
+ * Modified for Hawkboard - Syed Mohammed Khasim <khasim@beagleboard.org>
+ *
+ * Copyright (C) 2008 Sekhar Nori, Texas Instruments, Inc.  <nsekhar@ti.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * 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 <asm/errno.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+#include <ns16550.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define pinmux(x)			(&davinci_syscfg_regs->pinmux[x])
+
+static const struct pinmux_config mii_pins[] = {
+	{ pinmux(2), 8, 1 },
+	{ pinmux(2), 8, 2 },
+	{ pinmux(2), 8, 3 },
+	{ pinmux(2), 8, 4 },
+	{ pinmux(2), 8, 5 },
+	{ pinmux(2), 8, 6 },
+	{ pinmux(2), 8, 7 }
+};
+
+static const struct pinmux_config mdio_pins[] = {
+	{ pinmux(4), 8, 0 },
+	{ pinmux(4), 8, 1 }
+};
+
+static const struct pinmux_config nand_pins[] = {
+	{ pinmux(7), 1, 1 },
+	{ pinmux(7), 1, 2 },
+	{ pinmux(7), 1, 4 },
+	{ pinmux(7), 1, 5 },
+	{ pinmux(9), 1, 0 },
+	{ pinmux(9), 1, 1 },
+	{ pinmux(9), 1, 2 },
+	{ pinmux(9), 1, 3 },
+	{ pinmux(9), 1, 4 },
+	{ pinmux(9), 1, 5 },
+	{ pinmux(9), 1, 6 },
+	{ pinmux(9), 1, 7 },
+	{ pinmux(12), 1, 5 },
+	{ pinmux(12), 1, 6 }
+};
+
+static const struct pinmux_config uart2_pins[] = {
+	{ pinmux(0), 4, 6 },
+	{ pinmux(0), 4, 7 },
+	{ pinmux(4), 2, 4 },
+	{ pinmux(4), 2, 5 }
+};
+
+static const struct pinmux_config i2c_pins[] = {
+	{ pinmux(4), 2, 4 },
+	{ pinmux(4), 2, 5 }
+};
+
+static const struct pinmux_resource pinmuxes[] = {
+	PINMUX_ITEM(mii_pins),
+	PINMUX_ITEM(mdio_pins),
+	PINMUX_ITEM(i2c_pins),
+	PINMUX_ITEM(nand_pins),
+	PINMUX_ITEM(uart2_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 },
+};
+
+void board_init_f(ulong bootflag)
+{
+	/*
+	 * Kick Registers need to be set to allow access to Pin Mux registers
+	 */
+	writel(HAWKBOARD_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
+	writel(HAWKBOARD_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
+
+	/* 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);
+
+	/* Power on required peripherals
+	 * ARM does not have acess by default to PSC0 and PSC1
+	 * assuming here that the DSP bootloader has set the IOPU
+	 * such that PSC access is available to ARM
+	 */
+	da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc));
+
+	/* configure pinmux settings */
+	davinci_configure_pin_mux_items(pinmuxes,
+					ARRAY_SIZE(pinmuxes));
+
+	writel(readl(&davinci_uart2_ctrl_regs->pwremu_mgmt) |
+	       (DAVINCI_UART_PWREMU_MGMT_FREE) |
+	       (DAVINCI_UART_PWREMU_MGMT_URRST) |
+	       (DAVINCI_UART_PWREMU_MGMT_UTRST),
+	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
+
+	NS16550_init((NS16550_t)(DAVINCI_UART2_BASE),
+			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
+	puts("Nand boot...\n");
+
+	nand_boot();
+}
+
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}
+
+void putc(char c)
+{
+	if (gd->flags & GD_FLG_SILENT)
+		return;
+
+	if (c == '\n')
+		NS16550_putc((NS16550_t)(DAVINCI_UART2_BASE), '\r');
+
+	NS16550_putc((NS16550_t)(DAVINCI_UART2_BASE), c);
+}
+
+void hang(void)
+{
+	puts("### ERROR ### Please RESET the board ###\n");
+	for (;;)
+		;
+}