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authorHeiko Schocher <hs@denx.de>2011-11-29 02:33:46 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-12-06 23:59:37 +0100
commit5b51e7f3ca36f1ba445f9079835bf66304e16562 (patch)
treef498f7e03833499ac63680c15cdf50bdd173db43 /arch/arm/cpu
parent8a73e561fe7a357d51f00e86eb9853d7e7f803dc (diff)
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arm, davinci: move misc function in arch tree
move the board/davinci/common/misc.c file to arch/arm/cpu/arm926ejs/davinci/misc.c, so all davinci boards can use this functions. Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Sandeep Paulraj <s-paulraj@ti.com> Cc: Tom Rini <tom.rini@gmail.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Christian Riesch <christian.riesch@omicron.at>
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/Makefile2
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/misc.c150
2 files changed, 151 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile
index 4ac187a..5ae89df 100644
--- a/arch/arm/cpu/arm926ejs/davinci/Makefile
+++ b/arch/arm/cpu/arm926ejs/davinci/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
-COBJS-y += cpu.o timer.o psc.o pinmux.o
+COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o
COBJS-$(CONFIG_DA850_LOWLEVEL) += da850_lowlevel.o
COBJS-$(CONFIG_SOC_DM355) += dm355.o
COBJS-$(CONFIG_SOC_DM365) += dm365.o
diff --git a/arch/arm/cpu/arm926ejs/davinci/misc.c b/arch/arm/cpu/arm926ejs/davinci/misc.c
new file mode 100644
index 0000000..5f510b6
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/davinci/misc.c
@@ -0,0 +1,150 @@
+/*
+ * Miscelaneous DaVinci functions.
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 <net.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SPL_BUILD
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size(
+ (void *)CONFIG_SYS_SDRAM_BASE,
+ CONFIG_MAX_RAM_BANK_SIZE);
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = gd->ram_size;
+}
+#endif
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+/*
+ * Read ethernet MAC address from EEPROM for DVEVM compatible boards.
+ * Returns 1 if found, 0 otherwise.
+ */
+int dvevm_read_mac_address(uint8_t *buf)
+{
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR
+ /* Read MAC address. */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00,
+ CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6))
+ goto i2cerr;
+
+ /* Check that MAC address is valid. */
+ if (!is_valid_ether_addr(buf))
+ goto err;
+
+ return 1; /* Found */
+
+i2cerr:
+ printf("Read from EEPROM @ 0x%02x failed\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR);
+err:
+#endif /* CONFIG_SYS_I2C_EEPROM_ADDR */
+
+ return 0;
+}
+
+/*
+ * Set the mii mode as MII or RMII
+ */
+#if defined(CONFIG_SOC_DA8XX)
+void davinci_emac_mii_mode_sel(int mode_sel)
+{
+ int val;
+
+ val = readl(&davinci_syscfg_regs->cfgchip3);
+ if (mode_sel == 0)
+ val &= ~(1 << 8);
+ else
+ val |= (1 << 8);
+ writel(val, &davinci_syscfg_regs->cfgchip3);
+}
+#endif
+/*
+ * If there is no MAC address in the environment, then it will be initialized
+ * (silently) from the value in the EEPROM.
+ */
+void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
+{
+ uint8_t env_enetaddr[6];
+
+ eth_getenv_enetaddr_by_index("eth", 0, env_enetaddr);
+ if (!memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
+ /*
+ * There is no MAC address in the environment, so we
+ * initialize it from the value in the EEPROM.
+ */
+ debug("### Setting environment from EEPROM MAC address = "
+ "\"%pM\"\n",
+ env_enetaddr);
+ eth_setenv_enetaddr("ethaddr", rom_enetaddr);
+ }
+}
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
+#if defined(CONFIG_SOC_DA8XX)
+#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;
+}
+#endif