board/amlogic/gxtvbb_p300_v1/gxtvbb_p300_v1.c - u-boot - Git at Google


 /*
  * board/amlogic/gxtvbb_skt_v1/gxtvbb_skt_v1.c
  *
  * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
  *
  * 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.,
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

 #include <common.h>
 #include <malloc.h>
 #include <errno.h>
 #include <environment.h>
 #include <fdt_support.h>
 #include <libfdt.h>
 #ifdef CONFIG_SYS_I2C_AML
 #include <aml_i2c.h>
 #include <asm/arch/secure_apb.h>
  #include <asm/arch/io.h>
 #endif
 #include <amlogic/canvas.h>
 #ifdef CONFIG_AML_VPU
 #include <vpu.h>
 #endif
 #include <vpp.h>
 #ifdef CONFIG_AML_V2_FACTORY_BURN
 #include <amlogic/aml_v2_burning.h>
 #endif// #ifdef CONFIG_AML_V2_FACTORY_BURN
 #ifdef CONFIG_AML_HDMITX20
 #include <amlogic/hdmi.h>
 #endif
 #include <asm/arch/eth_setup.h>
 #include <phy.h>
 #ifdef CONFIG_AML_LCD
 #include <amlogic/aml_lcd.h>
 #endif
 #ifdef CONFIG_AML_SPICC
 #include <dm.h>
 #include <amlogic/spicc.h>
 #endif

 DECLARE_GLOBAL_DATA_PTR;

 //new static eth setup
 struct eth_board_socket*  eth_board_skt;


 int serial_set_pin_port(unsigned long port_base)
 {
     //UART in "Always On Module"
     //GPIOAO_0==tx,GPIOAO_1==rx
     //setbits_le32(P_AO_RTI_PIN_MUX_REG,3<<11);
     return 0;
 }

 int dram_init(void)
 {
 	gd->ram_size = PHYS_SDRAM_1_SIZE;
 	return 0;
 }

 /* secondary_boot_func
  * this function should be write with asm, here, is is only for compiling pass
  * */
 void secondary_boot_func(void)
 {
 }

 #ifdef CONFIG_AML_PMU4
 #define AML1220_ADDR    0x35
 #define AML1220_ANALOG_ADDR  0x20

 unsigned int pmu4_analog_reg[15] = {
 	0x00, 0x00, 0x00, 0x00, 0x00,	/* Reg   0x20 - 0x24 */
 	0x00, 0x00, 0x00, 0x00, 0x51,	/* Reg  0x25 - 0x29 */
 	0x42, 0x00, 0x42, 0x41, 0x02	/* Reg   0x2a - 0x2e */
 };

 #define PMU4_ANALOG_REG_LEN ARRAY_SIZE(pmu4_analog_reg)

 int aml_pmu4_read(int add, uint8_t *val)
 {
 	int ret;
 	uint8_t buf[2] = { };
 	struct i2c_msg msg[] = {
 		{
 		 .addr = AML1220_ADDR,
 		 .flags = 0,
 		 .len = sizeof(buf),
 		 .buf = buf,
 		 }
 		,
 		{
 		 .addr = AML1220_ADDR,
 		 .flags = I2C_M_RD,
 		 .len = 1,
 		 .buf = val,
 		 }
 	};

 	buf[0] = add & 0xff;
 	buf[1] = (add >> 8) & 0x0f;
 	ret = aml_i2c_xfer(msg, 2);
 	if (ret < 0) {
 		printf("%s: i2c transfer failed, ret:%d\n", __func__, ret);
 		return ret;
 	}
 	return 0;
 }

 int aml_pmu4_write(int32_t add, uint8_t val)
 {
 	int ret;
 	uint8_t buf[3] = { };
 	struct i2c_msg msg[] = {
 		{
 		 .addr = AML1220_ADDR,
 		 .flags = 0,
 		 .len = sizeof(buf),
 		 .buf = buf,
 		 }
 	};

 	buf[0] = add & 0xff;
 	buf[1] = (add >> 8) & 0x0f;
 	buf[2] = val & 0xff;
 	ret = aml_i2c_xfer(msg, 1);
 	if (ret < 0) {
 		printf("%s: i2c transfer failed, ret:%d\n", __func__, ret);
 		return ret;
 	}
 	return 0;
 }

 void pmu4_phy_config(void)
 {
 #if 0
 	int i;
 	uint8_t value;
 	int data;
 	uint8_t data_lo;
 	uint8_t data_hi;
 #endif
 	/* eth ldo */
 	aml_pmu4_write(0x04, 0x01);
 	aml_pmu4_write(0x05, 0x01);

 	mdelay(10);

 	/* pinmux */
 	aml_pmu4_write(0x2c, 0x51);
 	aml_pmu4_write(0x2d, 0x41);
 	aml_pmu4_write(0x20, 0x0);
 	aml_pmu4_write(0x21, 0x3);
 #ifdef EXT_CLK
 	aml_pmu4_write(0x14, 0x01);
 #else
 	aml_pmu4_write(0x14, 0x00);
 #endif
 	aml_pmu4_write(0x15, 0x3f);

 	/* pll */
 	aml_pmu4_write(0x78, 0x00);
 	aml_pmu4_write(0x79, 0x05);
 	aml_pmu4_write(0x7a, 0xa1);
 	aml_pmu4_write(0x7b, 0xac);
 	aml_pmu4_write(0x7c, 0x5b);
 	aml_pmu4_write(0x7d, 0xa0);
 	aml_pmu4_write(0x7e, 0x20);
 	aml_pmu4_write(0x7f, 0x49);
 	aml_pmu4_write(0x80, 0xd6);
 	aml_pmu4_write(0x81, 0x0b);
 	aml_pmu4_write(0x82, 0xd1);
 	aml_pmu4_write(0x83, 0x00);
 	/* 24M to 50M */
 	aml_pmu4_write(0x84, 0x55);
 	aml_pmu4_write(0x85, 0x0d);

 	/*cfg4- --- cfg 45 */
 	aml_pmu4_write(0x88, 0x0);
 	aml_pmu4_write(0x89, 0x0);
 	aml_pmu4_write(0x8A, 0x22);
 	aml_pmu4_write(0x8B, 0x01);
 	aml_pmu4_write(0x8C, 0xd0);
 	aml_pmu4_write(0x8D, 0x01);
 	aml_pmu4_write(0x8E, 0x00);
 	aml_pmu4_write(0x93, 0x81);

 	/* pmu4 phyid = 20142014 */
 	aml_pmu4_write(0x94, 0x14);
 	aml_pmu4_write(0x95, 0x20);

 	aml_pmu4_write(0x96, 0x14);
 	aml_pmu4_write(0x97, 0x20);

 	/*phyadd & mode */
 #ifdef EXT_CLK
 	aml_pmu4_write(0x98, 0x73);
 #else
 	aml_pmu4_write(0x98, 0x47);
 #endif

 	aml_pmu4_write(0x99, 0x61);
 	aml_pmu4_write(0x9a, 0x07);
 	aml_pmu4_write(0x04, 0x01);
 	aml_pmu4_write(0x05, 0x01);
 #if 0
 	value = 0;
 	pr_info("--------> read 0x9c\n");
 	while ((value & 0x01) == 0)
 		aml_pmu4_read(0x9c, &value);
 	pr_info("----2----> read 0x9c over!\n");
 #endif
 	aml_pmu4_write(0x9b, 0x00);
 	aml_pmu4_write(0x9b, 0x80);
 	aml_pmu4_write(0x9b, 0x00);
 #if 0
 	printf("phy init though i2c done\n");
 	for (i = 0; i < 0xb0; i++) {
 		aml_pmu4_read(i, &value);
 		printf("  i2c[%x]=0x%x\n", i, value);
 	}
 	printf("phy reg dump though i2c:\n");
 	for (i = 0; i < 0x20; i++) {
 		aml_pmu4_write(0xa6, i);
 		aml_pmu4_read(0xa7, &data_lo);
 		aml_pmu4_read(0xa8, &data_hi);
 		data = (data_hi << 8) | data_lo;
 		printf("  phy[%x]=0x%x\n", i, data);
 	}
 #endif
 }

 static int aml_pmu4_reg_init(unsigned int reg_base, unsigned int *val,
 			      unsigned int reg_len)
 {
 	int ret = 0;
 	unsigned int i = 0;

 	for (i = 0; i < reg_len; i++) {
 		ret = aml_pmu4_write(reg_base + i, val[i]);
 		if (ret < 0)
 			return ret;
 	}

 	return 0;
 }

 static int aml_pmu4_power_init(void)
 {
 	int ret;
 	int i = 0;
 	uint8_t value;

 	/* pmu4 analog register init */
 	ret = aml_pmu4_reg_init(AML1220_ANALOG_ADDR, &pmu4_analog_reg[0],
 			  PMU4_ANALOG_REG_LEN);
 	if (ret < 0)
 		return ret;

 	pmu4_phy_config();

 	/* enable input 24M clock */
 	setbits_le32(0xc8100634, 0x93);

 	do {
 		aml_pmu4_read(0x9c, &value);
 		mdelay(10);
 	} while (((value & 0x01) == 0) && (i++ < 10));
 	if (!(value&0x01)) {
 		printf("WARING: PMU4 PLL not lock!");
 	}

 	return 0;

 }

 void setup_pmu4(void)
 {
 	aml_pmu4_power_init();
 }
 #endif
 static void setup_net_chip(void)
 {
 	eth_aml_reg0_t eth_reg0;

 	//setup ethernet clk need calibrate to configre
 	setbits_le32(P_PERIPHS_PIN_MUX_8, 0x1fffc000);

 	eth_reg0.d32 = 0;
 	eth_reg0.b.phy_intf_sel = 0;
 	eth_reg0.b.data_endian = 0;
 	eth_reg0.b.desc_endian = 0;
 	eth_reg0.b.rx_clk_rmii_invert = 0;
 	eth_reg0.b.rgmii_tx_clk_src = 0;
 	eth_reg0.b.rgmii_tx_clk_phase = 0;
 	eth_reg0.b.rgmii_tx_clk_ratio = 0;
 	eth_reg0.b.phy_ref_clk_enable = 0;
 	eth_reg0.b.clk_rmii_i_invert = 1;
 	eth_reg0.b.clk_en = 1;
 	eth_reg0.b.adj_enable = 0;
 	eth_reg0.b.adj_setup = 0;
 	eth_reg0.b.adj_delay = 0;
 	eth_reg0.b.adj_skew = 0;
 	eth_reg0.b.cali_start = 0;
 	eth_reg0.b.cali_rise = 0;
 	eth_reg0.b.cali_sel = 0;
 	eth_reg0.b.rgmii_rx_reuse = 0;
 	eth_reg0.b.eth_urgent = 0;
 	setbits_le32(P_PREG_ETH_REG0, eth_reg0.d32);// rmii mode

 	setbits_le32(HHI_GCLK_MPEG1,1<<3);

 	/* power on memory */
 	clrbits_le32(HHI_MEM_PD_REG0, (1 << 3) | (1<<2));

 #ifndef CONFIG_AML_PMU4
 	/* hardware reset ethernet phy : gpioz14 connect phyreset pin*/
 	clrbits_le32(PREG_PAD_GPIO3_EN_N, 1 << 14);
 	clrbits_le32(PREG_PAD_GPIO3_O, 1 << 14);
 	udelay(100000);
 	setbits_le32(PREG_PAD_GPIO3_O, 1 << 14);
 #endif
 }

 extern int designware_initialize(ulong base_addr, u32 interface);
 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_AML_PMU4
 	setup_pmu4();
 #endif
 	setup_net_chip();
 	udelay(1000);
 	designware_initialize(ETH_BASE, PHY_INTERFACE_MODE_RMII);
 	return 0;
 }

 #if CONFIG_AML_SD_EMMC
 #include <mmc.h>
 #include <asm/arch/sd_emmc.h>
 static int  sd_emmc_init(unsigned port)
 {
     switch (port)
 	{
 		case SDIO_PORT_A:
 			break;
 		case SDIO_PORT_B:
 			//todo add card detect
 			//setbits_le32(P_PREG_PAD_GPIO5_EN_N,1<<29);//CARD_6
 			break;
 		case SDIO_PORT_C:
 			//enable pull up
 			//clrbits_le32(P_PAD_PULL_UP_REG3, 0xff<<0);
 			break;
 		default:
 			break;
 	}

 	return cpu_sd_emmc_init(port);
 }

 extern unsigned sd_debug_board_1bit_flag;
 static int  sd_emmc_detect(unsigned port)
 {
 	int ret;
     switch (port) {

 	case SDIO_PORT_A:
 		break;
 	case SDIO_PORT_B:
 			setbits_le32(P_PREG_PAD_GPIO5_EN_N,1<<29);//CARD_6
 			ret=readl(P_PREG_PAD_GPIO5_I)&(1<<29)?0:1;
 			printf("ret = %d .",ret);
 			if ((readl(P_PERIPHS_PIN_MUX_8)&(3<<9))) { //if uart pinmux set, debug board in
 				if (!(readl(P_PREG_PAD_GPIO2_I)&(1<<24))) {
 					printf("sdio debug board detected, sd card with 1bit mode\n");
 					sd_debug_board_1bit_flag = 1;
 				}
 				else{
 					printf("sdio debug board detected, no sd card in\n");
 					sd_debug_board_1bit_flag = 0;
 					return 1;
 				}
 			}

 		break;
 	default:
 		break;
 	}
 	return 0;
 }

 static void sd_emmc_pwr_prepare(unsigned port)
 {
 	cpu_sd_emmc_pwr_prepare(port);
 }

 static void sd_emmc_pwr_on(unsigned port)
 {
     switch (port)
 	{
 		case SDIO_PORT_A:
 			break;
 		case SDIO_PORT_B:
 //            clrbits_le32(P_PREG_PAD_GPIO5_O,(1<<31)); //CARD_8
 //            clrbits_le32(P_PREG_PAD_GPIO5_EN_N,(1<<31));
 			/// @todo NOT FINISH
 			break;
 		case SDIO_PORT_C:
 			break;
 		default:
 			break;
 	}
 	return;
 }
 static void sd_emmc_pwr_off(unsigned port)
 {
 	/// @todo NOT FINISH
     switch (port)
 	{
 		case SDIO_PORT_A:
 			break;
 		case SDIO_PORT_B:
 //            setbits_le32(P_PREG_PAD_GPIO5_O,(1<<31)); //CARD_8
 //            clrbits_le32(P_PREG_PAD_GPIO5_EN_N,(1<<31));
 			break;
 		case SDIO_PORT_C:
 			break;
 				default:
 			break;
 	}
 	return;
 }

 // #define CONFIG_TSD      1
 static void board_mmc_register(unsigned port)
 {
 	struct aml_card_sd_info *aml_priv=cpu_sd_emmc_get(port);
     if (aml_priv == NULL)
 		return;

 	aml_priv->sd_emmc_init=sd_emmc_init;
 	aml_priv->sd_emmc_detect=sd_emmc_detect;
 	aml_priv->sd_emmc_pwr_off=sd_emmc_pwr_off;
 	aml_priv->sd_emmc_pwr_on=sd_emmc_pwr_on;
 	aml_priv->sd_emmc_pwr_prepare=sd_emmc_pwr_prepare;
 	aml_priv->desc_buf = malloc(NEWSD_MAX_DESC_MUN*(sizeof(struct sd_emmc_desc_info)));

 	if (NULL == aml_priv->desc_buf)
 		printf(" desc_buf Dma alloc Fail!\n");
 	else
 		printf("aml_priv->desc_buf = 0x%p\n",aml_priv->desc_buf);

 	sd_emmc_register(aml_priv);
 }
 int board_mmc_init(bd_t	*bis)
 {
 #ifdef CONFIG_VLSI_EMULATOR
 	//board_mmc_register(SDIO_PORT_A);
 #else
 	//board_mmc_register(SDIO_PORT_B);
 #endif
 	board_mmc_register(SDIO_PORT_B);
 	board_mmc_register(SDIO_PORT_C);
 //	board_mmc_register(SDIO_PORT_B1);
 	return 0;
 }

 #ifdef CONFIG_SYS_I2C_AML
 #if 1
 static void board_i2c_set_pinmux(void){
 	/*********************************************/
 	/*                | I2C_Master_AO        |I2C_Slave            |       */
 	/*********************************************/
 	/*                | I2C_SCK                | I2C_SCK_SLAVE  |      */
 	/* GPIOAO_4  | [AO_PIN_MUX: 6]     | [AO_PIN_MUX: 2]   |     */
 	/*********************************************/
 	/*                | I2C_SDA                 | I2C_SDA_SLAVE  |     */
 	/* GPIOAO_5  | [AO_PIN_MUX: 5]     | [AO_PIN_MUX: 1]   |     */
 	/*********************************************/

 	//disable all other pins which share with I2C_SDA_AO & I2C_SCK_AO
 	clrbits_le32(PERIPHS_PIN_MUX_7, (1<<19)|(1<<20));
 	//enable I2C MASTER AO pins
 	setbits_le32(PERIPHS_PIN_MUX_7,
 	((MESON_I2C_MASTER_B_GPIOH_3_BIT) | (MESON_I2C_MASTER_B_GPIOH_4_BIT)));

 	udelay(10);
 };
 #endif
 struct aml_i2c_platform g_aml_i2c_plat = {
 	.wait_count         = 1000000,
 	.wait_ack_interval  = 5,
 	.wait_read_interval = 5,
 	.wait_xfer_interval = 5,
 	.master_no          = AML_I2C_MASTER_B,
 	.use_pio            = 0,
 	.master_i2c_speed   = AML_I2C_SPPED_400K,
 	.master_b_pinmux = {
 		.scl_reg    = (unsigned long)MESON_I2C_MASTER_B_GPIOH_4_REG,
 		.scl_bit    = MESON_I2C_MASTER_B_GPIOH_4_BIT,
 		.sda_reg    = (unsigned long)MESON_I2C_MASTER_B_GPIOH_3_REG,
 		.sda_bit    = MESON_I2C_MASTER_B_GPIOH_3_BIT,
 	}
 };
 #if 1
 static void board_i2c_init(void)
 {
 	//set I2C pinmux with PCB board layout
 	board_i2c_set_pinmux();

 	//Amlogic I2C controller initialized
 	//note: it must be call before any I2C operation
 	aml_i2c_init();

 	udelay(10);
 }
 #endif
 #endif
 #endif

 #if defined(CONFIG_BOARD_EARLY_INIT_F)
 int board_early_init_f(void){
 	/*add board early init function here*/
 	return 0;
 }
 #endif

 #ifdef CONFIG_USB_XHCI_AMLOGIC
 #include <asm/arch/usb.h>
 #include <asm/arch/gpio.h>
 struct amlogic_usb_config g_usb_config_GXTVBB_skt={
 	CONFIG_GXTVBB_XHCI_BASE,
 	USB_ID_MODE_HARDWARE,
 	NULL,//gpio_set_vbus_power, //set_vbus_power
 	CONFIG_GXTVBB_USB_PHY2_BASE,
 	CONFIG_GXTVBB_USB_PHY3_BASE,
 };
 #endif /*CONFIG_USB_XHCI_AMLOGIC*/

 #ifdef CONFIG_AML_HDMITX20
 static void hdmi_tx_set_hdmi_5v(void)
 {
 }
 #endif

 #ifdef CONFIG_AML_SPICC
 /* generic config in arch gpio/clock.c */
 extern int spicc_clk_enable(bool enable);
 extern int spicc_pinctrl_enable(bool enable);

 static const struct spicc_platdata spicc_platdata = {
 	.compatible = "amlogic,meson-gx-spicc",
 	.reg = (void __iomem *)0xc1108d80,
 	.clk_rate = 166666666,
 	.clk_enable = spicc_clk_enable,
 	.pinctrl_enable = spicc_pinctrl_enable,
 	/* case one slave without cs: {"no_cs", 0} */
 	.cs_gpio_names = {"GPIOH_9", 0},
 };

 U_BOOT_DEVICE(spicc) = {
 	.name = "spicc",
 	.platdata = &spicc_platdata,
 };
 #endif /* CONFIG_AML_SPICC */

 int board_init(void)
 {
 #ifdef CONFIG_AML_V2_FACTORY_BURN
 	aml_try_factory_usb_burning(0, gd->bd);
 #endif// #ifdef CONFIG_AML_V2_FACTORY_BURN

 #ifdef CONFIG_USB_XHCI_AMLOGIC
 	board_usb_init(&g_usb_config_GXTVBB_skt,BOARD_USB_MODE_HOST);
 #endif /*CONFIG_USB_XHCI_AMLOGIC*/
 	canvas_init();
 #ifdef CONFIG_SYS_I2C_AML
 // #ifdef 1
 	board_i2c_init();
 // #endif /*CONFIG_AML_I2C*/
 #endif

 	//temp  for p301, usb 5V power
 	//run_command("mw 0xc8100024 BFFF3FDF", 0);
 	run_command("gpio s GPIOAO_5", 0);

 	return 0;
 }

 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void){
 	int ret;

 	//update env before anyone using it
 	run_command("get_rebootmode; echo reboot_mode=${reboot_mode}; "\
 			"if test ${reboot_mode} = factory_reset; then "\
 			"defenv_reserv aml_dt;setenv upgrade_step 2;save; fi;", 0);
 	run_command("if itest ${upgrade_step} == 1; then "\
 				"defenv_reserv; setenv upgrade_step 2; saveenv; fi;", 0);

 	/*add board late init function here*/
 	ret = run_command("store dtb read $dtb_mem_addr", 1);
 	if (ret) {
 		printf("%s(): [store dtb read $dtb_mem_addr] fail\n", __func__);
 		#ifdef CONFIG_DTB_MEM_ADDR
 		char cmd[64];
 		printf("load dtb to %x\n", CONFIG_DTB_MEM_ADDR);
 		sprintf(cmd, "store dtb read %x", CONFIG_DTB_MEM_ADDR);
 		ret = run_command(cmd, 1);
 		if (ret) {
 			printf("%s(): %s fail\n", __func__, cmd);
 		}
 		#endif
 	}

 	/* load unifykey */
 	run_command("keyunify init 0x1234", 0);
 #ifdef CONFIG_AML_VPU
 	vpu_probe();
 #endif
 #ifdef CONFIG_AML_HDMITX20
 	hdmi_tx_set_hdmi_5v();
 	hdmi_tx_init();
 #endif
 #ifdef CONFIG_AML_LCD
 	lcd_probe();
 #endif
 	vpp_init();

 #ifdef CONFIG_AML_V2_FACTORY_BURN
 	aml_try_factory_sdcard_burning(0, gd->bd);
 #endif// #ifdef CONFIG_AML_V2_FACTORY_BURN

 	return 0;
 }
 #endif

 #ifdef CONFIG_AML_TINY_USBTOOL
 int usb_get_update_result(void)
 {
 	unsigned long upgrade_step;
 	upgrade_step = simple_strtoul (getenv ("upgrade_step"), NULL, 16);
 	printf("upgrade_step = %d\n", (int)upgrade_step);
 	if (upgrade_step == 1)
 	{
 		run_command("defenv", 1);
 		run_command("setenv upgrade_step 2", 1);
 		run_command("saveenv", 1);
 		return 0;
 	}
 	else
 	{
 		return -1;
 	}
 }
 #endif

 phys_size_t get_effective_memsize(void)
 {
 	// >>16 -> MB, <<20 -> real size, so >>16<<20 = <<4
 #if defined(CONFIG_SYS_MEM_TOP_HIDE)
 	return (((readl(AO_SEC_GP_CFG0)) & 0xFFFF0000) << 4) - CONFIG_SYS_MEM_TOP_HIDE;
 #else
 	return (((readl(AO_SEC_GP_CFG0)) & 0xFFFF0000) << 4);
 #endif
 }

 #ifdef CONFIG_MULTI_DTB
 int checkhw(char * name)
 {
 	unsigned int boardid = 0;
 	char loc_name[64] = {0};
 	boardid = (readl(AO_SEC_GP_CFG0)>>8)&0xff;
 	printf("%s: boardid = 0x%x\n", __func__,boardid);

 	switch (boardid) {
 		case 0:
 			strcpy(loc_name, "gxtvbb_p301_1g\0");
 			break;
 		case 8:
 			strcpy(loc_name, "gxtvbb_p300_2g\0");
 			break;
 		case 12:
 			strcpy(loc_name, "gxtvbb_skt_2g\0");
 			break;
 		default:
 			printf("boardid: 0x%x, multi-dt doesn't support\n", boardid);
 			//strcpy(loc_name, "gxb_p200_unsupport");
 			break;
 	}
 	strcpy(name, loc_name);
 	setenv("aml_dt", loc_name);
 	return 0;
 }
 #endif

 const char * const _env_args_reserve_[] =
 {
 	"aml_dt",
 	"firstboot",

 	NULL//Keep NULL be last to tell END
 };

	/*
	* board/amlogic/gxtvbb_skt_v1/gxtvbb_skt_v1.c
	*
	* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
	*
	* 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.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*/

	#include <common.h>
	#include <malloc.h>
	#include <errno.h>
	#include <environment.h>
	#include <fdt_support.h>
	#include <libfdt.h>
	#ifdef CONFIG_SYS_I2C_AML
	#include <aml_i2c.h>
	#include <asm/arch/secure_apb.h>
	#include <asm/arch/io.h>
	#endif
	#include <amlogic/canvas.h>
	#ifdef CONFIG_AML_VPU
	#include <vpu.h>
	#endif
	#include <vpp.h>
	#ifdef CONFIG_AML_V2_FACTORY_BURN
	#include <amlogic/aml_v2_burning.h>
	#endif// #ifdef CONFIG_AML_V2_FACTORY_BURN
	#ifdef CONFIG_AML_HDMITX20
	#include <amlogic/hdmi.h>
	#endif
	#include <asm/arch/eth_setup.h>
	#include <phy.h>
	#ifdef CONFIG_AML_LCD
	#include <amlogic/aml_lcd.h>
	#endif
	#ifdef CONFIG_AML_SPICC
	#include <dm.h>
	#include <amlogic/spicc.h>
	#endif

	DECLARE_GLOBAL_DATA_PTR;

	//new static eth setup
	struct eth_board_socket* eth_board_skt;


	int serial_set_pin_port(unsigned long port_base)
	{
	//UART in "Always On Module"
	//GPIOAO_0==tx,GPIOAO_1==rx
	//setbits_le32(P_AO_RTI_PIN_MUX_REG,3<<11);
	return 0;
	}

	int dram_init(void)
	{
	gd->ram_size = PHYS_SDRAM_1_SIZE;
	return 0;
	}

	/* secondary_boot_func
	* this function should be write with asm, here, is is only for compiling pass
	* */
	void secondary_boot_func(void)
	{
	}

	#ifdef CONFIG_AML_PMU4
	#define AML1220_ADDR 0x35
	#define AML1220_ANALOG_ADDR 0x20

	unsigned int pmu4_analog_reg[15] = {
	0x00, 0x00, 0x00, 0x00, 0x00, /* Reg 0x20 - 0x24 */
	0x00, 0x00, 0x00, 0x00, 0x51, /* Reg 0x25 - 0x29 */
	0x42, 0x00, 0x42, 0x41, 0x02 /* Reg 0x2a - 0x2e */
	};

	#define PMU4_ANALOG_REG_LEN ARRAY_SIZE(pmu4_analog_reg)

	int aml_pmu4_read(int add, uint8_t *val)
	{
	int ret;
	uint8_t buf[2] = { };
	struct i2c_msg msg[] = {
	{
	.addr = AML1220_ADDR,
	.flags = 0,
	.len = sizeof(buf),
	.buf = buf,
	}
	,
	{
	.addr = AML1220_ADDR,
	.flags = I2C_M_RD,
	.len = 1,
	.buf = val,
	}
	};

	buf[0] = add & 0xff;
	buf[1] = (add >> 8) & 0x0f;
	ret = aml_i2c_xfer(msg, 2);
	if (ret < 0) {
	printf("%s: i2c transfer failed, ret:%d\n", __func__, ret);
	return ret;
	}
	return 0;
	}

	int aml_pmu4_write(int32_t add, uint8_t val)
	{
	int ret;
	uint8_t buf[3] = { };
	struct i2c_msg msg[] = {
	{
	.addr = AML1220_ADDR,
	.flags = 0,
	.len = sizeof(buf),
	.buf = buf,
	}
	};

	buf[0] = add & 0xff;
	buf[1] = (add >> 8) & 0x0f;
	buf[2] = val & 0xff;
	ret = aml_i2c_xfer(msg, 1);
	if (ret < 0) {
	printf("%s: i2c transfer failed, ret:%d\n", __func__, ret);
	return ret;
	}
	return 0;
	}

	void pmu4_phy_config(void)
	{
	#if 0
	int i;
	uint8_t value;
	int data;
	uint8_t data_lo;
	uint8_t data_hi;
	#endif
	/* eth ldo */
	aml_pmu4_write(0x04, 0x01);
	aml_pmu4_write(0x05, 0x01);

	mdelay(10);

	/* pinmux */
	aml_pmu4_write(0x2c, 0x51);
	aml_pmu4_write(0x2d, 0x41);
	aml_pmu4_write(0x20, 0x0);
	aml_pmu4_write(0x21, 0x3);
	#ifdef EXT_CLK
	aml_pmu4_write(0x14, 0x01);
	#else
	aml_pmu4_write(0x14, 0x00);
	#endif
	aml_pmu4_write(0x15, 0x3f);

	/* pll */
	aml_pmu4_write(0x78, 0x00);
	aml_pmu4_write(0x79, 0x05);
	aml_pmu4_write(0x7a, 0xa1);
	aml_pmu4_write(0x7b, 0xac);
	aml_pmu4_write(0x7c, 0x5b);
	aml_pmu4_write(0x7d, 0xa0);
	aml_pmu4_write(0x7e, 0x20);
	aml_pmu4_write(0x7f, 0x49);
	aml_pmu4_write(0x80, 0xd6);
	aml_pmu4_write(0x81, 0x0b);
	aml_pmu4_write(0x82, 0xd1);
	aml_pmu4_write(0x83, 0x00);
	/* 24M to 50M */
	aml_pmu4_write(0x84, 0x55);
	aml_pmu4_write(0x85, 0x0d);

	/cfg4- --- cfg 45 /
	aml_pmu4_write(0x88, 0x0);
	aml_pmu4_write(0x89, 0x0);
	aml_pmu4_write(0x8A, 0x22);
	aml_pmu4_write(0x8B, 0x01);
	aml_pmu4_write(0x8C, 0xd0);
	aml_pmu4_write(0x8D, 0x01);
	aml_pmu4_write(0x8E, 0x00);
	aml_pmu4_write(0x93, 0x81);

	/* pmu4 phyid = 20142014 */
	aml_pmu4_write(0x94, 0x14);
	aml_pmu4_write(0x95, 0x20);

	aml_pmu4_write(0x96, 0x14);
	aml_pmu4_write(0x97, 0x20);

	/phyadd & mode /
	#ifdef EXT_CLK
	aml_pmu4_write(0x98, 0x73);
	#else
	aml_pmu4_write(0x98, 0x47);
	#endif

	aml_pmu4_write(0x99, 0x61);
	aml_pmu4_write(0x9a, 0x07);
	aml_pmu4_write(0x04, 0x01);
	aml_pmu4_write(0x05, 0x01);
	#if 0
	value = 0;
	pr_info("--------> read 0x9c\n");
	while ((value & 0x01) == 0)
	aml_pmu4_read(0x9c, &value);
	pr_info("----2----> read 0x9c over!\n");
	#endif
	aml_pmu4_write(0x9b, 0x00);
	aml_pmu4_write(0x9b, 0x80);
	aml_pmu4_write(0x9b, 0x00);
	#if 0
	printf("phy init though i2c done\n");
	for (i = 0; i < 0xb0; i++) {
	aml_pmu4_read(i, &value);
	printf(" i2c[%x]=0x%x\n", i, value);
	}
	printf("phy reg dump though i2c:\n");
	for (i = 0; i < 0x20; i++) {
	aml_pmu4_write(0xa6, i);
	aml_pmu4_read(0xa7, &data_lo);
	aml_pmu4_read(0xa8, &data_hi);
	data = (data_hi << 8) \| data_lo;
	printf(" phy[%x]=0x%x\n", i, data);
	}
	#endif
	}

	static int aml_pmu4_reg_init(unsigned int reg_base, unsigned int *val,
	unsigned int reg_len)
	{
	int ret = 0;
	unsigned int i = 0;

	for (i = 0; i < reg_len; i++) {
	ret = aml_pmu4_write(reg_base + i, val[i]);
	if (ret < 0)
	return ret;
	}

	return 0;
	}

	static int aml_pmu4_power_init(void)
	{
	int ret;
	int i = 0;
	uint8_t value;

	/* pmu4 analog register init */
	ret = aml_pmu4_reg_init(AML1220_ANALOG_ADDR, &pmu4_analog_reg[0],
	PMU4_ANALOG_REG_LEN);
	if (ret < 0)
	return ret;

	pmu4_phy_config();

	/* enable input 24M clock */
	setbits_le32(0xc8100634, 0x93);

	do {
	aml_pmu4_read(0x9c, &value);
	mdelay(10);
	} while (((value & 0x01) == 0) && (i++ < 10));
	if (!(value&0x01)) {
	printf("WARING: PMU4 PLL not lock!");
	}

	return 0;

	}

	void setup_pmu4(void)
	{
	aml_pmu4_power_init();
	}
	#endif
	static void setup_net_chip(void)
	{
	eth_aml_reg0_t eth_reg0;

	//setup ethernet clk need calibrate to configre
	setbits_le32(P_PERIPHS_PIN_MUX_8, 0x1fffc000);

	eth_reg0.d32 = 0;
	eth_reg0.b.phy_intf_sel = 0;
	eth_reg0.b.data_endian = 0;
	eth_reg0.b.desc_endian = 0;
	eth_reg0.b.rx_clk_rmii_invert = 0;
	eth_reg0.b.rgmii_tx_clk_src = 0;
	eth_reg0.b.rgmii_tx_clk_phase = 0;
	eth_reg0.b.rgmii_tx_clk_ratio = 0;
	eth_reg0.b.phy_ref_clk_enable = 0;
	eth_reg0.b.clk_rmii_i_invert = 1;
	eth_reg0.b.clk_en = 1;
	eth_reg0.b.adj_enable = 0;
	eth_reg0.b.adj_setup = 0;
	eth_reg0.b.adj_delay = 0;
	eth_reg0.b.adj_skew = 0;
	eth_reg0.b.cali_start = 0;
	eth_reg0.b.cali_rise = 0;
	eth_reg0.b.cali_sel = 0;
	eth_reg0.b.rgmii_rx_reuse = 0;
	eth_reg0.b.eth_urgent = 0;
	setbits_le32(P_PREG_ETH_REG0, eth_reg0.d32);// rmii mode

	setbits_le32(HHI_GCLK_MPEG1,1<<3);

	/* power on memory */
	clrbits_le32(HHI_MEM_PD_REG0, (1 << 3) \| (1<<2));

	#ifndef CONFIG_AML_PMU4
	/* hardware reset ethernet phy : gpioz14 connect phyreset pin*/
	clrbits_le32(PREG_PAD_GPIO3_EN_N, 1 << 14);
	clrbits_le32(PREG_PAD_GPIO3_O, 1 << 14);
	udelay(100000);
	setbits_le32(PREG_PAD_GPIO3_O, 1 << 14);
	#endif
	}

	extern int designware_initialize(ulong base_addr, u32 interface);
	int board_eth_init(bd_t *bis)
	{
	#ifdef CONFIG_AML_PMU4
	setup_pmu4();
	#endif
	setup_net_chip();
	udelay(1000);
	designware_initialize(ETH_BASE, PHY_INTERFACE_MODE_RMII);
	return 0;
	}

	#if CONFIG_AML_SD_EMMC
	#include <mmc.h>
	#include <asm/arch/sd_emmc.h>
	static int sd_emmc_init(unsigned port)
	{
	switch (port)
	{
	case SDIO_PORT_A:
	break;
	case SDIO_PORT_B:
	//todo add card detect
	//setbits_le32(P_PREG_PAD_GPIO5_EN_N,1<<29);//CARD_6
	break;
	case SDIO_PORT_C:
	//enable pull up
	//clrbits_le32(P_PAD_PULL_UP_REG3, 0xff<<0);
	break;
	default:
	break;
	}

	return cpu_sd_emmc_init(port);
	}

	extern unsigned sd_debug_board_1bit_flag;
	static int sd_emmc_detect(unsigned port)
	{
	int ret;
	switch (port) {

	case SDIO_PORT_A:
	break;
	case SDIO_PORT_B:
	setbits_le32(P_PREG_PAD_GPIO5_EN_N,1<<29);//CARD_6
	ret=readl(P_PREG_PAD_GPIO5_I)&(1<<29)?0:1;
	printf("ret = %d .",ret);
	if ((readl(P_PERIPHS_PIN_MUX_8)&(3<<9))) { //if uart pinmux set, debug board in
	if (!(readl(P_PREG_PAD_GPIO2_I)&(1<<24))) {
	printf("sdio debug board detected, sd card with 1bit mode\n");
	sd_debug_board_1bit_flag = 1;
	}
	else{
	printf("sdio debug board detected, no sd card in\n");
	sd_debug_board_1bit_flag = 0;
	return 1;
	}
	}

	break;
	default:
	break;
	}
	return 0;
	}

	static void sd_emmc_pwr_prepare(unsigned port)
	{
	cpu_sd_emmc_pwr_prepare(port);
	}

	static void sd_emmc_pwr_on(unsigned port)
	{
	switch (port)
	{
	case SDIO_PORT_A:
	break;
	case SDIO_PORT_B:
	// clrbits_le32(P_PREG_PAD_GPIO5_O,(1<<31)); //CARD_8
	// clrbits_le32(P_PREG_PAD_GPIO5_EN_N,(1<<31));
	/// @todo NOT FINISH
	break;
	case SDIO_PORT_C:
	break;
	default:
	break;
	}
	return;
	}
	static void sd_emmc_pwr_off(unsigned port)
	{
	/// @todo NOT FINISH
	switch (port)
	{
	case SDIO_PORT_A:
	break;
	case SDIO_PORT_B:
	// setbits_le32(P_PREG_PAD_GPIO5_O,(1<<31)); //CARD_8
	// clrbits_le32(P_PREG_PAD_GPIO5_EN_N,(1<<31));
	break;
	case SDIO_PORT_C:
	break;
	default:
	break;
	}
	return;
	}

	// #define CONFIG_TSD 1
	static void board_mmc_register(unsigned port)
	{
	struct aml_card_sd_info *aml_priv=cpu_sd_emmc_get(port);
	if (aml_priv == NULL)
	return;

	aml_priv->sd_emmc_init=sd_emmc_init;
	aml_priv->sd_emmc_detect=sd_emmc_detect;
	aml_priv->sd_emmc_pwr_off=sd_emmc_pwr_off;
	aml_priv->sd_emmc_pwr_on=sd_emmc_pwr_on;
	aml_priv->sd_emmc_pwr_prepare=sd_emmc_pwr_prepare;
	aml_priv->desc_buf = malloc(NEWSD_MAX_DESC_MUN*(sizeof(struct sd_emmc_desc_info)));

	if (NULL == aml_priv->desc_buf)
	printf(" desc_buf Dma alloc Fail!\n");
	else
	printf("aml_priv->desc_buf = 0x%p\n",aml_priv->desc_buf);

	sd_emmc_register(aml_priv);
	}
	int board_mmc_init(bd_t *bis)
	{
	#ifdef CONFIG_VLSI_EMULATOR
	//board_mmc_register(SDIO_PORT_A);
	#else
	//board_mmc_register(SDIO_PORT_B);
	#endif
	board_mmc_register(SDIO_PORT_B);
	board_mmc_register(SDIO_PORT_C);
	// board_mmc_register(SDIO_PORT_B1);
	return 0;
	}

	#ifdef CONFIG_SYS_I2C_AML
	#if 1
	static void board_i2c_set_pinmux(void){
	/*********************************************/
	/* \| I2C_Master_AO \|I2C_Slave \| */
	/*********************************************/
	/* \| I2C_SCK \| I2C_SCK_SLAVE \| */
	/* GPIOAO_4 \| [AO_PIN_MUX: 6] \| [AO_PIN_MUX: 2] \| */
	/*********************************************/
	/* \| I2C_SDA \| I2C_SDA_SLAVE \| */
	/* GPIOAO_5 \| [AO_PIN_MUX: 5] \| [AO_PIN_MUX: 1] \| */
	/*********************************************/

	//disable all other pins which share with I2C_SDA_AO & I2C_SCK_AO
	clrbits_le32(PERIPHS_PIN_MUX_7, (1<<19)\|(1<<20));
	//enable I2C MASTER AO pins
	setbits_le32(PERIPHS_PIN_MUX_7,
	((MESON_I2C_MASTER_B_GPIOH_3_BIT) \| (MESON_I2C_MASTER_B_GPIOH_4_BIT)));

	udelay(10);
	};
	#endif
	struct aml_i2c_platform g_aml_i2c_plat = {
	.wait_count = 1000000,
	.wait_ack_interval = 5,
	.wait_read_interval = 5,
	.wait_xfer_interval = 5,
	.master_no = AML_I2C_MASTER_B,
	.use_pio = 0,
	.master_i2c_speed = AML_I2C_SPPED_400K,
	.master_b_pinmux = {
	.scl_reg = (unsigned long)MESON_I2C_MASTER_B_GPIOH_4_REG,
	.scl_bit = MESON_I2C_MASTER_B_GPIOH_4_BIT,
	.sda_reg = (unsigned long)MESON_I2C_MASTER_B_GPIOH_3_REG,
	.sda_bit = MESON_I2C_MASTER_B_GPIOH_3_BIT,
	}
	};
	#if 1
	static void board_i2c_init(void)
	{
	//set I2C pinmux with PCB board layout
	board_i2c_set_pinmux();

	//Amlogic I2C controller initialized
	//note: it must be call before any I2C operation
	aml_i2c_init();

	udelay(10);
	}
	#endif
	#endif
	#endif

	#if defined(CONFIG_BOARD_EARLY_INIT_F)
	int board_early_init_f(void){
	/add board early init function here/
	return 0;
	}
	#endif

	#ifdef CONFIG_USB_XHCI_AMLOGIC
	#include <asm/arch/usb.h>
	#include <asm/arch/gpio.h>
	struct amlogic_usb_config g_usb_config_GXTVBB_skt={
	CONFIG_GXTVBB_XHCI_BASE,
	USB_ID_MODE_HARDWARE,
	NULL,//gpio_set_vbus_power, //set_vbus_power
	CONFIG_GXTVBB_USB_PHY2_BASE,
	CONFIG_GXTVBB_USB_PHY3_BASE,
	};
	#endif /CONFIG_USB_XHCI_AMLOGIC/

	#ifdef CONFIG_AML_HDMITX20
	static void hdmi_tx_set_hdmi_5v(void)
	{
	}
	#endif

	#ifdef CONFIG_AML_SPICC
	/* generic config in arch gpio/clock.c */
	extern int spicc_clk_enable(bool enable);
	extern int spicc_pinctrl_enable(bool enable);

	static const struct spicc_platdata spicc_platdata = {
	.compatible = "amlogic,meson-gx-spicc",
	.reg = (void __iomem *)0xc1108d80,
	.clk_rate = 166666666,
	.clk_enable = spicc_clk_enable,
	.pinctrl_enable = spicc_pinctrl_enable,
	/* case one slave without cs: {"no_cs", 0} */
	.cs_gpio_names = {"GPIOH_9", 0},
	};

	U_BOOT_DEVICE(spicc) = {
	.name = "spicc",
	.platdata = &spicc_platdata,
	};
	#endif /* CONFIG_AML_SPICC */

	int board_init(void)
	{
	#ifdef CONFIG_AML_V2_FACTORY_BURN
	aml_try_factory_usb_burning(0, gd->bd);
	#endif// #ifdef CONFIG_AML_V2_FACTORY_BURN

	#ifdef CONFIG_USB_XHCI_AMLOGIC
	board_usb_init(&g_usb_config_GXTVBB_skt,BOARD_USB_MODE_HOST);
	#endif /CONFIG_USB_XHCI_AMLOGIC/
	canvas_init();
	#ifdef CONFIG_SYS_I2C_AML
	// #ifdef 1
	board_i2c_init();
	// #endif /CONFIG_AML_I2C/
	#endif

	//temp for p301, usb 5V power
	//run_command("mw 0xc8100024 BFFF3FDF", 0);
	run_command("gpio s GPIOAO_5", 0);

	return 0;
	}

	#ifdef CONFIG_BOARD_LATE_INIT
	int board_late_init(void){
	int ret;

	//update env before anyone using it
	run_command("get_rebootmode; echo reboot_mode=${reboot_mode}; "\
	"if test ${reboot_mode} = factory_reset; then "\
	"defenv_reserv aml_dt;setenv upgrade_step 2;save; fi;", 0);
	run_command("if itest ${upgrade_step} == 1; then "\
	"defenv_reserv; setenv upgrade_step 2; saveenv; fi;", 0);

	/add board late init function here/
	ret = run_command("store dtb read $dtb_mem_addr", 1);
	if (ret) {
	printf("%s(): [store dtb read $dtb_mem_addr] fail\n", __func__);
	#ifdef CONFIG_DTB_MEM_ADDR
	char cmd[64];
	printf("load dtb to %x\n", CONFIG_DTB_MEM_ADDR);
	sprintf(cmd, "store dtb read %x", CONFIG_DTB_MEM_ADDR);
	ret = run_command(cmd, 1);
	if (ret) {
	printf("%s(): %s fail\n", __func__, cmd);
	}
	#endif
	}

	/* load unifykey */
	run_command("keyunify init 0x1234", 0);
	#ifdef CONFIG_AML_VPU
	vpu_probe();
	#endif
	#ifdef CONFIG_AML_HDMITX20
	hdmi_tx_set_hdmi_5v();
	hdmi_tx_init();
	#endif
	#ifdef CONFIG_AML_LCD
	lcd_probe();
	#endif
	vpp_init();

	#ifdef CONFIG_AML_V2_FACTORY_BURN
	aml_try_factory_sdcard_burning(0, gd->bd);
	#endif// #ifdef CONFIG_AML_V2_FACTORY_BURN

	return 0;
	}
	#endif

	#ifdef CONFIG_AML_TINY_USBTOOL
	int usb_get_update_result(void)
	{
	unsigned long upgrade_step;
	upgrade_step = simple_strtoul (getenv ("upgrade_step"), NULL, 16);
	printf("upgrade_step = %d\n", (int)upgrade_step);
	if (upgrade_step == 1)
	{
	run_command("defenv", 1);
	run_command("setenv upgrade_step 2", 1);
	run_command("saveenv", 1);
	return 0;
	}
	else
	{
	return -1;
	}
	}
	#endif

	phys_size_t get_effective_memsize(void)
	{
	// >>16 -> MB, <<20 -> real size, so >>16<<20 = <<4
	#if defined(CONFIG_SYS_MEM_TOP_HIDE)
	return (((readl(AO_SEC_GP_CFG0)) & 0xFFFF0000) << 4) - CONFIG_SYS_MEM_TOP_HIDE;
	#else
	return (((readl(AO_SEC_GP_CFG0)) & 0xFFFF0000) << 4);
	#endif
	}

	#ifdef CONFIG_MULTI_DTB
	int checkhw(char * name)
	{
	unsigned int boardid = 0;
	char loc_name[64] = {0};
	boardid = (readl(AO_SEC_GP_CFG0)>>8)&0xff;
	printf("%s: boardid = 0x%x\n", __func__,boardid);

	switch (boardid) {
	case 0:
	strcpy(loc_name, "gxtvbb_p301_1g\0");
	break;
	case 8:
	strcpy(loc_name, "gxtvbb_p300_2g\0");
	break;
	case 12:
	strcpy(loc_name, "gxtvbb_skt_2g\0");
	break;
	default:
	printf("boardid: 0x%x, multi-dt doesn't support\n", boardid);
	//strcpy(loc_name, "gxb_p200_unsupport");
	break;
	}
	strcpy(name, loc_name);
	setenv("aml_dt", loc_name);
	return 0;
	}
	#endif

	const char * const _env_args_reserve_[] =
	{
	"aml_dt",
	"firstboot",

	NULL//Keep NULL be last to tell END
	};