u-boot/board/davinci/dm6467evm/dm6467evm.c

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/*
* Copyright (C) 2009 Texas Instruments Incorporated
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <netdev.h>
#include <asm/io.h>
#include <nand.h>
#include <asm/arch/hardware.h>
#include <asm/ti-common/davinci_nand.h>
DECLARE_GLOBAL_DATA_PTR;
#define REV_DM6467EVM 0
#define REV_DM6467TEVM 1
/*
* get_board_rev() - setup to pass kernel board revision information
* Returns:
* bit[0-3] System clock frequency
* 0000b - 27 MHz
* 0001b - 33 MHz
*/
u32 get_board_rev(void)
{
#ifdef CONFIG_DAVINCI_DM6467TEVM
return REV_DM6467TEVM;
#else
return REV_DM6467EVM;
#endif
}
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM6467_EVM;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
lpsc_on(DAVINCI_DM646X_LPSC_TIMER0);
lpsc_on(DAVINCI_DM646X_LPSC_UART0);
lpsc_on(DAVINCI_DM646X_LPSC_I2C);
lpsc_on(DAVINCI_DM646X_LPSC_EMAC);
/* Enable GIO3.3V cells used for EMAC */
REG(VDD3P3V_PWDN) = 0x80000c0;
/* Select UART function on UART0 */
REG(PINMUX0) &= ~(0x0000003f << 18);
REG(PINMUX1) &= ~(0x00000003);
return 0;
}
#if defined(CONFIG_DRIVER_TI_EMAC)
int board_eth_init(bd_t *bis)
{
if (!davinci_emac_initialize()) {
printf("Error: Ethernet init failed!\n");
return -1;
}
return 0;
}
#endif /* CONFIG_DRIVER_TI_EMAC */
#ifdef CONFIG_NAND_DAVINCI
int board_nand_init(struct nand_chip *nand)
{
davinci_nand_init(nand);
return 0;
}
#endif