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 int dram_init(void)
  26 {
  27         DECLARE_GLOBAL_DATA_PTR;
  28
  29         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  30         gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  31         printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  32         return 0;
  33 }
  34
  35 static void debug_led(u8 led)
  36 {
  37         /* PDGR[0-4] is debug LED */
  38         outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR);
  39 }
  40
  41 int board_late_init(void)
  42 {
  43         u8 mac[6];
  44         char env_mac[17];
  45
  46         udelay(1000);
  47
  48         /* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/
  49         outw(inw(PLCR) & ~0xFFF0, PLCR);
  50         outw(inw(PNCR) & ~0x000F, PNCR);
  51         outw(inw(PXCR) & ~0x0FC0, PXCR);
  52         outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB);
  53         outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC);
  54         outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE);
  55
  56         debug_led(1 << 3);
  57
  58         outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2);
  59
  60         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
  61         i2c_set_bus_num(CONFIG_SYS_I2C_MODULE); /* Use I2C 1 */
  62
  63         /* Read MAC address */
  64         i2c_read(0x50, 0x10, 0, mac, 6);
  65
  66         /* Set MAC address */
  67         sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
  68                 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  69         setenv("ethaddr", env_mac);
  70
  71         debug_led(0x0F);
  72
  73         return 0;
  74 }
  75
  76 int board_init(void)
  77 {
  78
  79         /* LED (PTG) */
  80         outw((inw(PGCR) & ~0xFF) | 0x66, PGCR);
  81         outw((inw(HIZCRA) & ~0x02), HIZCRA);
  82
  83         debug_led(1 << 0);
  84
  85         /* SCIF0 (PTF, PTM) */
  86         outw(inw(PFCR) & ~0x30, PFCR);
  87         outw(inw(PMCR) & ~0x0C, PMCR);
  88         outw((inw(PSELA) & ~0x40) | 0x40, PSELA);
  89
  90         debug_led(1 << 1);
  91
  92         /* RMII (PTA) */
  93         outw((inw(PACR) & ~0x0C) | 0x04, PACR);
  94         outb((inb(PADR) & ~0x02) | 0x02, PADR);
  95
  96         debug_led(1 << 2);
  97
  98         /* USB host */
  99         outw((inw(PBCR) & ~0x300) | 0x100, PBCR);
 100         outb((inb(PBDR) & ~0x10) | 0x10, PBDR);
 101         outl(inl(MSTPCR2) & 0x100000, MSTPCR2);
 102         outw(0x0600, UPONCR0);
 103
 104         debug_led(1 << 3);
 105
 106         /* debug switch */
 107         outw((inw(PVCR) & ~0x03) | 0x02 , PVCR);
 108
 109         return 0;
 110 }