board/icpdas/lp8x4x/lp8x4x.c

   1 /*
   2  * ICP DAS LP-8x4x Support
   3  *
   4  * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
   5  * adapted from Voipac PXA270 Support by
   6  * Copyright (C) 2013 Sergey Yanovich <ynvich@gmail.com>
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <asm/arch/hardware.h>
  13 #include <asm/arch/regs-mmc.h>
  14 #include <asm/arch/pxa.h>
  15 #include <netdev.h>
  16 #include <serial.h>
  17 #include <asm/io.h>
  18 #include <usb.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 /*
  23  * Miscelaneous platform dependent initialisations
  24  */
  25 int board_init(void)
  26 {
  27         /* We have RAM, disable cache */
  28         dcache_disable();
  29         icache_disable();
  30
  31         /* memory and cpu-speed are setup before relocation */
  32         /* so we do _nothing_ here */
  33
  34         /* adress of boot parameters */
  35         gd->bd->bi_boot_params = 0xa0000100;
  36
  37         return 0;
  38 }
  39
  40 int dram_init(void)
  41 {
  42         pxa2xx_dram_init();
  43         gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  44         return 0;
  45 }
  46
  47 void dram_init_banksize(void)
  48 {
  49         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  50         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  51 }
  52
  53 #ifdef  CONFIG_CMD_MMC
  54 int board_mmc_init(bd_t *bis)
  55 {
  56         pxa_mmc_register(0);
  57         return 0;
  58 }
  59 #endif
  60
  61 #ifdef  CONFIG_CMD_USB
  62 int board_usb_init(int index, enum usb_init_type init)
  63 {
  64         if (index !=0 || init != USB_INIT_HOST)
  65                 return -1;
  66
  67         writel(readl(CKEN) | CKEN10_USBHOST, CKEN);
  68
  69         writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
  70         udelay(11);
  71         writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
  72
  73         writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
  74
  75         while (readl(UHCHR) & UHCHR_FSBIR)
  76                 continue; /* required by checkpath.pl */
  77
  78         writel(readl(UHCHR) & ~UHCHR_SSEP0, UHCHR);
  79         writel(readl(UHCRHDA) & ~(0x1000), UHCRHDA);
  80         writel(readl(UHCRHDA) | 0x800, UHCRHDA);
  81
  82         writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
  83         writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
  84
  85         /* Clear any OTG Pin Hold */
  86         if (readl(PSSR) & PSSR_OTGPH)
  87                 writel(readl(PSSR) | PSSR_OTGPH, PSSR);
  88
  89         writel(readl(UHCRHDA) & ~(0x200), UHCRHDA);
  90         writel(readl(UHCRHDA) | 0x100, UHCRHDA);
  91
  92         /* Set port power control mask bits, only 3 ports. */
  93         writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
  94
  95         return 0;
  96 }
  97
  98 int usb_board_stop(void)
  99 {
 100         writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
 101         udelay(11);
 102         writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
 103
 104         writel(readl(UHCCOMS) | 1, UHCCOMS);
 105         udelay(10);
 106
 107         writel(readl(UHCHR) | UHCHR_SSEP0 | UHCHR_SSE, UHCHR);
 108
 109         writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
 110
 111         return 0;
 112 }
 113
 114 int board_usb_cleanup(int index, enum usb_init_type init)
 115 {
 116         if (index !=0 || init != USB_INIT_HOST)
 117                 return -1;
 118
 119         return usb_board_stop();
 120 }
 121 #endif
 122
 123 #ifdef CONFIG_DRIVER_DM9000
 124 void lp8x4x_eth1_mac_init(void)
 125 {
 126         u8 eth1addr[8];
 127         int i;
 128         u8 reg;
 129
 130         eth_getenv_enetaddr_by_index("eth", 1, eth1addr);
 131         if (!is_valid_ether_addr(eth1addr))
 132                 return;
 133
 134         for (i = 0, reg = 0x10; i < 6; i++, reg++) {
 135                 writeb(reg, (u8 *)(DM9000_IO_2));
 136                 writeb(eth1addr[i], (u8 *)(DM9000_DATA_2));
 137         }
 138 }
 139
 140 int board_eth_init(bd_t *bis)
 141 {
 142         lp8x4x_eth1_mac_init();
 143         return dm9000_initialize(bis);
 144 }
 145 #endif