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-rw-r--r--board/davinci/da8xxevm/Makefile (renamed from board/davinci/da830evm/Makefile)6
-rw-r--r--board/davinci/da8xxevm/common.c55
-rw-r--r--board/davinci/da8xxevm/common.h30
-rw-r--r--board/davinci/da8xxevm/config.mk (renamed from board/davinci/da830evm/config.mk)0
-rw-r--r--board/davinci/da8xxevm/da830evm.c (renamed from board/davinci/da830evm/da830evm.c)29
-rw-r--r--board/davinci/da8xxevm/da850evm.c111
-rw-r--r--board/pandora/pandora.c9
7 files changed, 222 insertions, 18 deletions
diff --git a/board/davinci/da830evm/Makefile b/board/davinci/da8xxevm/Makefile
index 02636fa..17cbe86 100644
--- a/board/davinci/da830evm/Makefile
+++ b/board/davinci/da8xxevm/Makefile
@@ -27,7 +27,11 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := da830evm.o
+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))
diff --git a/board/davinci/da8xxevm/common.c b/board/davinci/da8xxevm/common.c
new file mode 100644
index 0000000..9cd5204c
--- /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 0000000..7ae63a6
--- /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/da830evm/config.mk b/board/davinci/da8xxevm/config.mk
index 6da29a9..6da29a9 100644
--- a/board/davinci/da830evm/config.mk
+++ b/board/davinci/da8xxevm/config.mk
diff --git a/board/davinci/da830evm/da830evm.c b/board/davinci/da8xxevm/da830evm.c
index 6385443..57506d6 100644
--- a/board/davinci/da830evm/da830evm.c
+++ b/board/davinci/da8xxevm/da830evm.c
@@ -41,6 +41,7 @@
#include <asm/arch/emac_defs.h>
#include <asm/io.h>
#include "../common/misc.h"
+#include "common.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -120,21 +121,18 @@ static const struct pinmux_resource pinmuxes[] = {
#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
- /*
- * 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);
+ irq_init();
#endif
#ifdef CONFIG_NAND_DAVINCI
@@ -165,11 +163,8 @@ int board_init(void)
* assuming here that the DSP bootloader has set the IOPU
* such that PSC access is available to ARM
*/
- lpsc_on(DAVINCI_LPSC_AEMIF); /* NAND, NOR */
- lpsc_on(DAVINCI_LPSC_SPI0); /* Serial Flash */
- lpsc_on(DAVINCI_LPSC_EMAC); /* image download */
- lpsc_on(DAVINCI_LPSC_UART2); /* console */
- lpsc_on(DAVINCI_LPSC_GPIO);
+ 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) &
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
new file mode 100644
index 0000000..959b2c6
--- /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;
+}
diff --git a/board/pandora/pandora.c b/board/pandora/pandora.c
index 75e4330..355e9ea 100644
--- a/board/pandora/pandora.c
+++ b/board/pandora/pandora.c
@@ -37,6 +37,10 @@
#include <asm/mach-types.h>
#include "pandora.h"
+#define TWL4030_BB_CFG_BBCHEN (1 << 4)
+#define TWL4030_BB_CFG_BBSEL_3200MV (3 << 2)
+#define TWL4030_BB_CFG_BBISEL_500UA 2
+
/*
* Routine: board_init
* Description: Early hardware init.
@@ -78,6 +82,11 @@ int misc_init_r(void)
writel(GPIO28, &gpio5_base->setdataout);
writel(GPIO4, &gpio6_base->setdataout);
+ /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
+ TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
+ TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG);
+
dieid_num_r();
return 0;