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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/davinci/dvevm
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/davinci/dvevm')
-rw-r--r--qemu/roms/u-boot/board/davinci/dvevm/Makefile11
-rw-r--r--qemu/roms/u-boot/board/davinci/dvevm/board_init.S16
-rw-r--r--qemu/roms/u-boot/board/davinci/dvevm/config.mk39
-rw-r--r--qemu/roms/u-boot/board/davinci/dvevm/dvevm.c91
4 files changed, 157 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/davinci/dvevm/Makefile b/qemu/roms/u-boot/board/davinci/dvevm/Makefile
new file mode 100644
index 000000000..7ade32596
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dvevm/Makefile
@@ -0,0 +1,11 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := dvevm.o
+obj-y += board_init.o
diff --git a/qemu/roms/u-boot/board/davinci/dvevm/board_init.S b/qemu/roms/u-boot/board/davinci/dvevm/board_init.S
new file mode 100644
index 000000000..ded059008
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dvevm/board_init.S
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Board-specific low level initialization code. Called at the very end
+ * of arch/arm/cpu/arm926ejs/davinci/lowlevel_init.S. Just returns if there is no
+ * initialization required.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+
+.globl dv_board_init
+dv_board_init:
+
+ mov pc, lr
diff --git a/qemu/roms/u-boot/board/davinci/dvevm/config.mk b/qemu/roms/u-boot/board/davinci/dvevm/config.mk
new file mode 100644
index 000000000..ed8070723
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dvevm/config.mk
@@ -0,0 +1,39 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# (C) Copyright 2003
+# Texas Instruments, <www.ti.com>
+# Swaminathan <swami.iyer@ti.com>
+#
+# Davinci EVM board (ARM925EJS) cpu
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# Davinci EVM has 1 bank of 256 MB DDR RAM
+# Physical Address:
+# 8000'0000 to 9000'0000
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# Visioneering Corp. Sonata board (ARM926EJS) cpu
+#
+# Sonata board has 1 bank of 128 MB DDR RAM
+# Physical Address:
+# 8000'0000 to 8800'0000
+#
+# Razorstream, LLC. SCHMOOGIE board (ARM926EJS) cpu
+#
+# Schmoogie board has 1 bank of 128 MB DDR RAM
+# Physical Address:
+# 8000'0000 to 8800'0000
+#
+# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
+# (mem base + reserved)
+#
+# we load ourself to 8108 '0000
+#
+#
+
+#Provide at least 16MB spacing between us and the Linux Kernel image
+CONFIG_SYS_TEXT_BASE = 0x81080000
diff --git a/qemu/roms/u-boot/board/davinci/dvevm/dvevm.c b/qemu/roms/u-boot/board/davinci/dvevm/dvevm.c
new file mode 100644
index 000000000..c34bde4fa
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dvevm/dvevm.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts are shamelessly stolen from various TI sources, original copyright
+ * follows:
+ * -----------------------------------------------------------------
+ *
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ * SPDX-License-Identifier: GPL-2.0+
+ * ----------------------------------------------------------------------------
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/davinci_misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ /* arch number of the board */
+ gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_EVM;
+
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+ /* Configure AEMIF pins (although this should be configured at boot time
+ * with pull-up/pull-down resistors) */
+ REG(PINMUX0) = 0x00000c1f;
+
+ davinci_errata_workarounds();
+
+ /* Power on required peripherals */
+ lpsc_on(DAVINCI_LPSC_GPIO);
+ lpsc_on(DAVINCI_LPSC_USB);
+
+#if !defined(CONFIG_SYS_USE_DSPLINK)
+ /* Powerup the DSP */
+ dsp_on();
+#endif /* CONFIG_SYS_USE_DSPLINK */
+
+ davinci_enable_uart0();
+ davinci_enable_emac();
+ davinci_enable_i2c();
+
+ lpsc_on(DAVINCI_LPSC_TIMER1);
+ timer_init();
+
+ return(0);
+}
+
+int misc_init_r(void)
+{
+ uint8_t video_mode;
+ uint8_t eeprom_enetaddr[6];
+
+ /* Read Ethernet MAC address from EEPROM if available. */
+ if (dvevm_read_mac_address(eeprom_enetaddr))
+ davinci_sync_env_enetaddr(eeprom_enetaddr);
+
+ i2c_read(0x39, 0x00, 1, &video_mode, 1);
+
+ setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));
+
+ return(0);
+}
+
+#ifdef CONFIG_USB_DAVINCI
+
+/* IO Expander I2C address and USB VBUS enable mask */
+#define IOEXP_I2C_ADDR 0x3A
+#define IOEXP_VBUSEN_MASK 1
+
+/*
+ * This function enables USB VBUS by writting to IO expander using I2C.
+ * Note that the I2C is already initialized at this stage. This
+ * function is used by davinci specific USB wrapper code.
+ */
+void enable_vbus(void)
+{
+ uchar data; /* IO Expander data to enable VBUS */
+
+ /* Write to IO expander to enable VBUS */
+ i2c_read(IOEXP_I2C_ADDR, 0, 0, &data, 1);
+ data &= ~IOEXP_VBUSEN_MASK;
+ i2c_write(IOEXP_I2C_ADDR, 0, 0, &data, 1);
+}
+#endif