u-boot/board/renesas/r0p7734/r0p7734.c

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/*
* Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Copyright (C) 2011 Renesas Solutions Corp.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <netdev.h>
#include <i2c.h>
DECLARE_GLOBAL_DATA_PTR;
#define MODEMR (0xFFCC0020)
#define MODEMR_MASK (0x6)
#define MODEMR_533MHZ (0x2)
int checkboard(void)
{
u32 r = readl(MODEMR);
if ((r & MODEMR_MASK) & MODEMR_533MHZ)
puts("CPU Clock: 533MHz\n");
else
puts("CPU Clock: 400MHz\n");
puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
return 0;
}
#define MSTPSR1 (0xFFC80044)
#define MSTPCR1 (0xFFC80034)
#define MSTPSR1_GETHER (1 << 14)
int board_init(void)
{
#if defined(CONFIG_SH_ETHER)
u32 r = readl(MSTPSR1);
if (r & MSTPSR1_GETHER)
writel((r & ~MSTPSR1_GETHER), MSTPCR1);
#endif
return 0;
}
int board_late_init(void)
{
u8 mac[6];
/* Read Mac Address and set*/
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
i2c_set_bus_num(CONFIG_SYS_I2C_MODULE);
/* Read MAC address */
i2c_read(0x50, 0x10, 0, mac, 6);
if (is_valid_ethaddr(mac))
eth_setenv_enetaddr("ethaddr", mac);
return 0;
}
int dram_init(void)
{
gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
return 0;
}
#ifdef CONFIG_SMC911X
int board_eth_init(bd_t *bis)
{
int rc = 0;
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
return rc;
}
#endif