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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/dm365evm/dm365evm.c
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/dm365evm/dm365evm.c')
-rw-r--r--qemu/roms/u-boot/board/davinci/dm365evm/dm365evm.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/davinci/dm365evm/dm365evm.c b/qemu/roms/u-boot/board/davinci/dm365evm/dm365evm.c
new file mode 100644
index 000000000..ceffd4d60
--- /dev/null
+++ b/qemu/roms/u-boot/board/davinci/dm365evm/dm365evm.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <nand.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/nand_defs.h>
+#include <asm/arch/gpio.h>
+#include <netdev.h>
+#include <asm/arch/davinci_misc.h>
+#ifdef CONFIG_DAVINCI_MMC
+#include <mmc.h>
+#include <asm/arch/sdmmc_defs.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM365_EVM;
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+int board_eth_init(bd_t *bis)
+{
+ uint8_t eeprom_enetaddr[6];
+ int i;
+ struct davinci_gpio *gpio1_base =
+ (struct davinci_gpio *)DAVINCI_GPIO_BANK01;
+
+ /* Configure PINMUX 3 to enable EMAC pins */
+ writel((readl(PINMUX3) | 0x1affff), PINMUX3);
+
+ /* Configure GPIO20 as output */
+ writel((readl(&gpio1_base->dir) & ~(1 << 20)), &gpio1_base->dir);
+
+ /* Toggle GPIO 20 */
+ for (i = 0; i < 20; i++) {
+ /* GPIO 20 low */
+ writel((readl(&gpio1_base->out_data) & ~(1 << 20)),
+ &gpio1_base->out_data);
+
+ udelay(1000);
+
+ /* GPIO 20 high */
+ writel((readl(&gpio1_base->out_data) | (1 << 20)),
+ &gpio1_base->out_data);
+ }
+
+ /* Configure I2C pins so that EEPROM can be read */
+ writel((readl(PINMUX3) | 0x01400000), PINMUX3);
+
+ /* Read Ethernet MAC address from EEPROM */
+ if (dvevm_read_mac_address(eeprom_enetaddr))
+ davinci_sync_env_enetaddr(eeprom_enetaddr);
+
+ davinci_emac_initialize();
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_NAND_DAVINCI
+static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)
+{
+ struct nand_chip *this = mtd->priv;
+ unsigned long wbase = (unsigned long) this->IO_ADDR_W;
+ unsigned long rbase = (unsigned long) this->IO_ADDR_R;
+
+ if (chip == 1) {
+ __set_bit(14, &wbase);
+ __set_bit(14, &rbase);
+ } else {
+ __clear_bit(14, &wbase);
+ __clear_bit(14, &rbase);
+ }
+ this->IO_ADDR_W = (void *)wbase;
+ this->IO_ADDR_R = (void *)rbase;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ davinci_nand_init(nand);
+ nand->select_chip = nand_dm365evm_select_chip;
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+ .input_clk = 121500000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_2,
+};
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+static struct davinci_mmc mmc_sd1 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
+ .input_clk = 121500000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_2,
+};
+#endif
+
+int board_mmc_init(bd_t *bis)
+{
+ int err;
+
+ /* Add slot-0 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd0);
+ if (err)
+ return err;
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+#define PUPDCTL1 0x01c4007c
+ /* PINMUX(4)-DAT0-3/CMD; PINMUX(0)-CLK */
+ writel((readl(PINMUX4) | 0x55400000), PINMUX4);
+ writel((readl(PINMUX0) | 0x00010000), PINMUX0);
+
+ /* Configure MMC/SD pins as pullup */
+ writel((readl(PUPDCTL1) & ~0x07c0), PUPDCTL1);
+
+ /* Add slot-1 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd1);
+#endif
+
+ return err;
+}
+#endif