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-rw-r--r--board/davinci/da8xxevm/Makefile2
-rw-r--r--board/davinci/da8xxevm/common.c55
-rw-r--r--board/davinci/da8xxevm/common.h30
-rw-r--r--board/davinci/da8xxevm/da830evm.c3
-rw-r--r--board/davinci/da8xxevm/da850evm.c115
-rw-r--r--board/davinci/da8xxevm/hawkboard.c68
-rw-r--r--board/davinci/da8xxevm/hawkboard_nand_spl.c157
7 files changed, 336 insertions, 94 deletions
diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile
index 88fee50..c1b2119 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 9cd5204c..0000000
--- 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 7ae63a6..0000000
--- 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 8a9f988..0650653 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 c3267cb..b088c9c 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 0000000..f34830e
--- /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 0000000..9155236
--- /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 (;;)
+ ;
+}
generated by cgit v1.1 at 2024-12-19 12:02:19 +0000