LXR uboot/board/freescale/mpc832xemds/mpc832xemds.c

   1/*
   2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
   3 *
   4 * Dave Liu <daveliu@freescale.com>
   5 *
   6 * SPDX-License-Identifier:     GPL-2.0+
   7 */
   8
   9#include <common.h>
  10#include <ioports.h>
  11#include <mpc83xx.h>
  12#include <i2c.h>
  13#include <miiphy.h>
  14#include <command.h>
  15#if defined(CONFIG_PCI)
  16#include <pci.h>
  17#endif
  18#include <asm/mmu.h>
  19#if defined(CONFIG_OF_LIBFDT)
  20#include <libfdt.h>
  21#endif
  22#if defined(CONFIG_PQ_MDS_PIB)
  23#include "../common/pq-mds-pib.h"
  24#endif
  25
  26DECLARE_GLOBAL_DATA_PTR;
  27
  28const qe_iop_conf_t qe_iop_conf_tab[] = {
  29        /* ETH3 */
  30        {1,  0, 1, 0, 1}, /* TxD0 */
  31        {1,  1, 1, 0, 1}, /* TxD1 */
  32        {1,  2, 1, 0, 1}, /* TxD2 */
  33        {1,  3, 1, 0, 1}, /* TxD3 */
  34        {1,  9, 1, 0, 1}, /* TxER */
  35        {1, 12, 1, 0, 1}, /* TxEN */
  36        {3, 24, 2, 0, 1}, /* TxCLK->CLK10 */
  37
  38        {1,  4, 2, 0, 1}, /* RxD0 */
  39        {1,  5, 2, 0, 1}, /* RxD1 */
  40        {1,  6, 2, 0, 1}, /* RxD2 */
  41        {1,  7, 2, 0, 1}, /* RxD3 */
  42        {1,  8, 2, 0, 1}, /* RxER */
  43        {1, 10, 2, 0, 1}, /* RxDV */
  44        {0, 13, 2, 0, 1}, /* RxCLK->CLK9 */
  45        {1, 11, 2, 0, 1}, /* COL */
  46        {1, 13, 2, 0, 1}, /* CRS */
  47
  48        /* ETH4 */
  49        {1, 18, 1, 0, 1}, /* TxD0 */
  50        {1, 19, 1, 0, 1}, /* TxD1 */
  51        {1, 20, 1, 0, 1}, /* TxD2 */
  52        {1, 21, 1, 0, 1}, /* TxD3 */
  53        {1, 27, 1, 0, 1}, /* TxER */
  54        {1, 30, 1, 0, 1}, /* TxEN */
  55        {3,  6, 2, 0, 1}, /* TxCLK->CLK8 */
  56
  57        {1, 22, 2, 0, 1}, /* RxD0 */
  58        {1, 23, 2, 0, 1}, /* RxD1 */
  59        {1, 24, 2, 0, 1}, /* RxD2 */
  60        {1, 25, 2, 0, 1}, /* RxD3 */
  61        {1, 26, 1, 0, 1}, /* RxER */
  62        {1, 28, 2, 0, 1}, /* Rx_DV */
  63        {3, 31, 2, 0, 1}, /* RxCLK->CLK7 */
  64        {1, 29, 2, 0, 1}, /* COL */
  65        {1, 31, 2, 0, 1}, /* CRS */
  66
  67        {3,  4, 3, 0, 2}, /* MDIO */
  68        {3,  5, 1, 0, 2}, /* MDC */
  69
  70        {0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
  71};
  72
  73int board_early_init_f(void)
  74{
  75        volatile u8 *bcsr = (volatile u8 *)CONFIG_SYS_BCSR;
  76
  77        /* Enable flash write */
  78        bcsr[9] &= ~0x08;
  79
  80        return 0;
  81}
  82
  83int board_early_init_r(void)
  84{
  85#ifdef CONFIG_PQ_MDS_PIB
  86        pib_init();
  87#endif
  88        return 0;
  89}
  90
  91int fixed_sdram(void);
  92
  93int dram_init(void)
  94{
  95        volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
  96        u32 msize = 0;
  97
  98        if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
  99                return -ENXIO;
 100
 101        /* DDR SDRAM - Main SODIMM */
 102        im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR;
 103
 104        msize = fixed_sdram();
 105
 106        /* set total bus SDRAM size(bytes)  -- DDR */
 107        gd->ram_size = msize * 1024 * 1024;
 108
 109        return 0;
 110}
 111
 112/*************************************************************************
 113 *  fixed sdram init -- doesn't use serial presence detect.
 114 ************************************************************************/
 115int fixed_sdram(void)
 116{
 117        volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
 118        u32 msize = 0;
 119        u32 ddr_size;
 120        u32 ddr_size_log2;
 121
 122        msize = CONFIG_SYS_DDR_SIZE;
 123        for (ddr_size = msize << 20, ddr_size_log2 = 0;
 124             (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
 125                if (ddr_size & 1) {
 126                        return -1;
 127                }
 128        }
 129        im->sysconf.ddrlaw[0].ar =
 130            LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
 131#if (CONFIG_SYS_DDR_SIZE != 128)
 132#warning Currenly any ddr size other than 128 is not supported
 133#endif
 134        im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL;
 135        im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS;
 136        im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
 137        im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
 138        im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
 139        im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
 140        im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
 141        im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
 142        im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
 143        im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
 144        im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
 145        im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 146        __asm__ __volatile__ ("sync");
 147        udelay(200);
 148
 149        im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
 150        __asm__ __volatile__ ("sync");
 151        return msize;
 152}
 153
 154int checkboard(void)
 155{
 156        puts("Board: Freescale MPC832XEMDS\n");
 157        return 0;
 158}
 159
 160#if defined(CONFIG_OF_BOARD_SETUP)
 161int ft_board_setup(void *blob, bd_t *bd)
 162{
 163        ft_cpu_setup(blob, bd);
 164#ifdef CONFIG_PCI
 165        ft_pci_setup(blob, bd);
 166#endif
 167
 168        return 0;
 169}
 170#endif
 171