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-rw-r--r--board/davinci/dvevm/dvevm.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/board/davinci/dvevm/dvevm.c b/board/davinci/dvevm/dvevm.c
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+++ b/board/davinci/dvevm/dvevm.c
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+/*
+ * 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 <asm/arch/hardware.h>
+#include <asm/arch/emac_defs.h>
+#include "../common/psc.h"
+#include "../common/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;
+
+ /* Workaround for TMS320DM6446 errata 1.3.22 */
+ REG(PSC_SILVER_BULLET) = 0;
+
+ /* Power on required peripherals */
+ lpsc_on(DAVINCI_LPSC_EMAC);
+ lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
+ lpsc_on(DAVINCI_LPSC_MDIO);
+ lpsc_on(DAVINCI_LPSC_I2C);
+ lpsc_on(DAVINCI_LPSC_UART0);
+ lpsc_on(DAVINCI_LPSC_TIMER1);
+ lpsc_on(DAVINCI_LPSC_GPIO);
+
+#if !defined(CFG_USE_DSPLINK)
+ /* Powerup the DSP */
+ dsp_on();
+#endif /* CFG_USE_DSPLINK */
+
+ /* Bringup UART0 out of reset */
+ REG(UART0_PWREMU_MGMT) = 0x0000e003;
+
+ /* Enable GIO3.3V cells used for EMAC */
+ REG(VDD3P3V_PWDN) = 0;
+
+ /* Enable UART0 MUX lines */
+ REG(PINMUX1) |= 1;
+
+ /* Enable EMAC and AEMIF pins */
+ REG(PINMUX0) = 0x80000c1f;
+
+ /* Enable I2C pin Mux */
+ REG(PINMUX1) |= (1 << 7);
+
+ /* Set the Bus Priority Register to appropriate value */
+ REG(VBPR) = 0x20;
+
+ timer_init();
+
+ return(0);
+}
+
+int misc_init_r(void)
+{
+ uint8_t video_mode;
+ uint8_t eeprom_enetaddr[6];
+
+ dv_display_clk_infos();
+
+ /* Read Ethernet MAC address from EEPROM if available. */
+ if (dvevm_read_mac_address(eeprom_enetaddr))
+ dv_configure_mac_address(eeprom_enetaddr);
+
+ if (!eth_hw_init())
+ printf("ethernet init failed!\n");
+
+ i2c_read(0x39, 0x00, 1, &video_mode, 1);
+
+ setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));
+
+ return(0);
+}
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