board/renesas/r0p7734/r0p7734.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
   4  * Copyright (C) 2011 Renesas Solutions Corp.
   5  */
   6
   7 #include <common.h>
   8 #include <asm/io.h>
   9 #include <asm/processor.h>
  10 #include <netdev.h>
  11 #include <i2c.h>
  12
  13 #define MODEMR                  (0xFFCC0020)
  14 #define MODEMR_MASK             (0x6)
  15 #define MODEMR_533MHZ   (0x2)
  16
  17 int checkboard(void)
  18 {
  19         u32 r = readl(MODEMR);
  20         if ((r & MODEMR_MASK) & MODEMR_533MHZ)
  21                 puts("CPU Clock: 533MHz\n");
  22         else
  23                 puts("CPU Clock: 400MHz\n");
  24
  25         puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
  26         return 0;
  27 }
  28
  29 #define MSTPSR1                 (0xFFC80044)
  30 #define MSTPCR1                 (0xFFC80034)
  31 #define MSTPSR1_GETHER  (1 << 14)
  32
  33 int board_init(void)
  34 {
  35 #if defined(CONFIG_SH_ETHER)
  36         u32 r = readl(MSTPSR1);
  37         if (r & MSTPSR1_GETHER)
  38                 writel((r & ~MSTPSR1_GETHER), MSTPCR1);
  39 #endif
  40
  41         return 0;
  42 }
  43
  44 int board_late_init(void)
  45 {
  46         printf("Cannot get MAC address from I2C\n");
  47
  48         return 0;
  49 }
  50
  51 #ifdef CONFIG_SMC911X
  52 int board_eth_init(bd_t *bis)
  53 {
  54         int rc = 0;
  55         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  56         return rc;
  57 }
  58 #endif