board/renesas/r0p7734/r0p7734.c

   1 /*
   2  * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
   3  * Copyright (C) 2011 Renesas Solutions Corp.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/io.h>
  10 #include <asm/processor.h>
  11 #include <netdev.h>
  12 #include <i2c.h>
  13
  14 #define MODEMR                  (0xFFCC0020)
  15 #define MODEMR_MASK             (0x6)
  16 #define MODEMR_533MHZ   (0x2)
  17
  18 int checkboard(void)
  19 {
  20         u32 r = readl(MODEMR);
  21         if ((r & MODEMR_MASK) & MODEMR_533MHZ)
  22                 puts("CPU Clock: 533MHz\n");
  23         else
  24                 puts("CPU Clock: 400MHz\n");
  25
  26         puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
  27         return 0;
  28 }
  29
  30 #define MSTPSR1                 (0xFFC80044)
  31 #define MSTPCR1                 (0xFFC80034)
  32 #define MSTPSR1_GETHER  (1 << 14)
  33
  34 int board_init(void)
  35 {
  36 #if defined(CONFIG_SH_ETHER)
  37         u32 r = readl(MSTPSR1);
  38         if (r & MSTPSR1_GETHER)
  39                 writel((r & ~MSTPSR1_GETHER), MSTPCR1);
  40 #endif
  41
  42         return 0;
  43 }
  44
  45 int board_late_init(void)
  46 {
  47         u8 mac[6];
  48
  49         /* Read Mac Address and set*/
  50         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
  51         i2c_set_bus_num(CONFIG_SYS_I2C_MODULE);
  52
  53         /* Read MAC address */
  54         i2c_read(0x50, 0x10, 0, mac, 6);
  55
  56         if (is_valid_ethaddr(mac))
  57                 eth_setenv_enetaddr("ethaddr", mac);
  58
  59         return 0;
  60 }
  61
  62 #ifdef CONFIG_SMC911X
  63 int board_eth_init(bd_t *bis)
  64 {
  65         int rc = 0;
  66         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  67         return rc;
  68 }
  69 #endif