board/renesas/ecovec/ecovec.c

   1 /*
   2  * Copyright (C) 2009, 2011 Renesas Solutions Corp.
   3  * Copyright (C) 2009 Kuninori Morimoto <morimoto.kuninori@renesas.com>
   4  * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <asm/io.h>
  12 #include <asm/processor.h>
  13 #include <i2c.h>
  14 #include <netdev.h>
  15
  16 /* USB power management register */
  17 #define UPONCR0 0xA40501D4
  18
  19 int checkboard(void)
  20 {
  21         puts("BOARD: ecovec\n");
  22         return 0;
  23 }
  24
  25 static void debug_led(u8 led)
  26 {
  27         /* PDGR[0-4] is debug LED */
  28         outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR);
  29 }
  30
  31 int board_late_init(void)
  32 {
  33         u8 mac[6];
  34         char env_mac[18];
  35
  36         udelay(1000);
  37
  38         /* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/
  39         outw(inw(PLCR) & ~0xFFF0, PLCR);
  40         outw(inw(PNCR) & ~0x000F, PNCR);
  41         outw(inw(PXCR) & ~0x0FC0, PXCR);
  42         outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB);
  43         outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC);
  44         outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE);
  45
  46         debug_led(1 << 3);
  47
  48         outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2);
  49
  50         i2c_set_bus_num(1); /* Use I2C 1 */
  51
  52         /* Read MAC address */
  53         i2c_read(0x50, 0x10, 0, mac, 6);
  54
  55         /* Set MAC address */
  56         sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
  57                 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  58         setenv("ethaddr", env_mac);
  59
  60         debug_led(0x0F);
  61
  62         return 0;
  63 }
  64
  65 int board_init(void)
  66 {
  67
  68         /* LED (PTG) */
  69         outw((inw(PGCR) & ~0xFF) | 0x55, PGCR);
  70         outw((inw(HIZCRA) & ~0x02), HIZCRA);
  71
  72         debug_led(1 << 0);
  73
  74         /* SCIF0 (PTF, PTM) */
  75         outw(inw(PFCR) & ~0x30, PFCR);
  76         outw(inw(PMCR) & ~0x0C, PMCR);
  77         outw((inw(PSELA) & ~0x40) | 0x40, PSELA);
  78
  79         debug_led(1 << 1);
  80
  81         /* RMII (PTA) */
  82         outw((inw(PACR) & ~0x0C) | 0x04, PACR);
  83         outb((inb(PADR) & ~0x02) | 0x02, PADR);
  84
  85         debug_led(1 << 2);
  86
  87         /* USB host */
  88         outw((inw(PBCR) & ~0x300) | 0x100, PBCR);
  89         outb((inb(PBDR) & ~0x10) | 0x10, PBDR);
  90         outl(inl(MSTPCR2) & ~0x100000, MSTPCR2);
  91         outw(0x0600, UPONCR0);
  92
  93         debug_led(1 << 3);
  94
  95         /* debug switch */
  96         outw((inw(PVCR) & ~0x03) | 0x02 , PVCR);
  97
  98         return 0;
  99 }