mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 17:38:51 +09:00
![Vladimir Zapolskiy](/assets/img/avatar_default.png)
Generic board support assumes a different method of specifying DRAM size on board, also it can be shared among all boards, notably only sh7763rdp board has a custom legacy dram_init(), however the difference is only in printing some additional information, this feature can be removed. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
/*
|
|
* 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>
|
|
|
|
#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;
|
|
}
|
|
|
|
#ifdef CONFIG_SMC911X
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
int rc = 0;
|
|
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
|
|
return rc;
|
|
}
|
|
#endif
|