LXR uboot/board/keymile/km83xx/km83xx.c

   1/*
   2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
   3 *                    Dave Liu <daveliu@freescale.com>
   4 *
   5 * Copyright (C) 2007 Logic Product Development, Inc.
   6 *                    Peter Barada <peterb@logicpd.com>
   7 *
   8 * Copyright (C) 2007 MontaVista Software, Inc.
   9 *                    Anton Vorontsov <avorontsov@ru.mvista.com>
  10 *
  11 * (C) Copyright 2008 - 2010
  12 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  13 *
  14 * This program is free software; you can redistribute it and/or
  15 * modify it under the terms of the GNU General Public License as
  16 * published by the Free Software Foundation; either version 2 of
  17 * the License, or (at your option) any later version.
  18 */
  19
  20#include <common.h>
  21#include <ioports.h>
  22#include <mpc83xx.h>
  23#include <i2c.h>
  24#include <miiphy.h>
  25#include <asm/io.h>
  26#include <asm/mmu.h>
  27#include <asm/processor.h>
  28#include <pci.h>
  29#include <libfdt.h>
  30#include <post.h>
  31
  32#include "../common/common.h"
  33
  34const qe_iop_conf_t qe_iop_conf_tab[] = {
  35        /* port pin dir open_drain assign */
  36#if defined(CONFIG_MPC8360)
  37        /* MDIO */
  38        {0,  1, 3, 0, 2}, /* MDIO */
  39        {0,  2, 1, 0, 1}, /* MDC */
  40
  41        /* UCC4 - UEC */
  42        {1, 14, 1, 0, 1}, /* TxD0 */
  43        {1, 15, 1, 0, 1}, /* TxD1 */
  44        {1, 20, 2, 0, 1}, /* RxD0 */
  45        {1, 21, 2, 0, 1}, /* RxD1 */
  46        {1, 18, 1, 0, 1}, /* TX_EN */
  47        {1, 26, 2, 0, 1}, /* RX_DV */
  48        {1, 27, 2, 0, 1}, /* RX_ER */
  49        {1, 24, 2, 0, 1}, /* COL */
  50        {1, 25, 2, 0, 1}, /* CRS */
  51        {2, 15, 2, 0, 1}, /* TX_CLK - CLK16 */
  52        {2, 16, 2, 0, 1}, /* RX_CLK - CLK17 */
  53
  54        /* DUART - UART2 */
  55        {5,  0, 1, 0, 2}, /* UART2_SOUT */
  56        {5,  2, 1, 0, 1}, /* UART2_RTS */
  57        {5,  3, 2, 0, 2}, /* UART2_SIN */
  58        {5,  1, 2, 0, 3}, /* UART2_CTS */
  59#else
  60        /* Local Bus */
  61        {0, 16, 1, 0, 3}, /* LA00 */
  62        {0, 17, 1, 0, 3}, /* LA01 */
  63        {0, 18, 1, 0, 3}, /* LA02 */
  64        {0, 19, 1, 0, 3}, /* LA03 */
  65        {0, 20, 1, 0, 3}, /* LA04 */
  66        {0, 21, 1, 0, 3}, /* LA05 */
  67        {0, 22, 1, 0, 3}, /* LA06 */
  68        {0, 23, 1, 0, 3}, /* LA07 */
  69        {0, 24, 1, 0, 3}, /* LA08 */
  70        {0, 25, 1, 0, 3}, /* LA09 */
  71        {0, 26, 1, 0, 3}, /* LA10 */
  72        {0, 27, 1, 0, 3}, /* LA11 */
  73        {0, 28, 1, 0, 3}, /* LA12 */
  74        {0, 29, 1, 0, 3}, /* LA13 */
  75        {0, 30, 1, 0, 3}, /* LA14 */
  76        {0, 31, 1, 0, 3}, /* LA15 */
  77
  78        /* MDIO */
  79        {3,  4, 3, 0, 2}, /* MDIO */
  80        {3,  5, 1, 0, 2}, /* MDC */
  81
  82        /* UCC4 - UEC */
  83        {1, 18, 1, 0, 1}, /* TxD0 */
  84        {1, 19, 1, 0, 1}, /* TxD1 */
  85        {1, 22, 2, 0, 1}, /* RxD0 */
  86        {1, 23, 2, 0, 1}, /* RxD1 */
  87        {1, 26, 2, 0, 1}, /* RxER */
  88        {1, 28, 2, 0, 1}, /* Rx_DV */
  89        {1, 30, 1, 0, 1}, /* TxEN */
  90        {1, 31, 2, 0, 1}, /* CRS */
  91        {3, 10, 2, 0, 3}, /* TxCLK->CLK17 */
  92#endif
  93
  94        /* END of table */
  95        {0,  0, 0, 0, QE_IOP_TAB_END},
  96};
  97
  98static int board_init_i2c_busses(void)
  99{
 100        I2C_MUX_DEVICE *dev = NULL;
 101        uchar   *buf;
 102
 103        /* Set up the Bus for the DTTs */
 104        buf = (unsigned char *) getenv("dtt_bus");
 105        if (buf != NULL)
 106                dev = i2c_mux_ident_muxstring(buf);
 107        if (dev == NULL) {
 108                printf("Error couldn't add Bus for DTT\n");
 109                printf("please setup dtt_bus to where your\n");
 110                printf("DTT is found.\n");
 111        }
 112        return 0;
 113}
 114
 115#if defined(CONFIG_SUVD3)
 116const uint upma_table[] = {
 117        0x1ffedc00, 0x0ffcdc80, 0x0ffcdc80, 0x0ffcdc04, /* Words 0 to 3 */
 118        0x0ffcdc00, 0xffffcc00, 0xffffcc01, 0xfffffc01, /* Words 4 to 7 */
 119        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 8 to 11 */
 120        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 12 to 15 */
 121        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 16 to 19 */
 122        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 20 to 23 */
 123        0x9cfffc00, 0x00fffc80, 0x00fffc80, 0x00fffc00, /* Words 24 to 27 */
 124        0xffffec04, 0xffffec01, 0xfffffc01, 0xfffffc01, /* Words 28 to 31 */
 125        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 32 to 35 */
 126        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 36 to 39 */
 127        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 40 to 43 */
 128        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 44 to 47 */
 129        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 48 to 51 */
 130        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 52 to 55 */
 131        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01, /* Words 56 to 59 */
 132        0xfffffc01, 0xfffffc01, 0xfffffc01, 0xfffffc01  /* Words 60 to 63 */
 133};
 134#endif
 135
 136int board_early_init_r(void)
 137{
 138        struct km_bec_fpga *base =
 139                (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
 140#if defined(CONFIG_SUVD3)
 141        immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
 142        fsl_lbc_t *lbc = &immap->im_lbc;
 143        u32 *mxmr = &lbc->mamr;
 144#endif
 145
 146#if defined(CONFIG_MPC8360)
 147        unsigned short  svid;
 148        /*
 149         * Because of errata in the UCCs, we have to write to the reserved
 150         * registers to slow the clocks down.
 151         */
 152        svid =  SVR_REV(mfspr(SVR));
 153        switch (svid) {
 154        case 0x0020:
 155                /*
 156                 * MPC8360ECE.pdf QE_ENET10 table 4:
 157                 * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
 158                 * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1)
 159                 */
 160                setbits_be32((void *)(CONFIG_SYS_IMMR + 0x14a8), 0x0c003000);
 161                break;
 162        case 0x0021:
 163                /*
 164                 * MPC8360ECE.pdf QE_ENET10 table 4:
 165                 * IMMR + 0x14AC[24:27] = 1010
 166                 */
 167                clrsetbits_be32((void *)(CONFIG_SYS_IMMR + 0x14ac),
 168                        0x00000050, 0x000000a0);
 169                break;
 170        }
 171#endif
 172
 173        /* enable the PHY on the PIGGY */
 174        setbits_8(&base->pgy_eth, 0x01);
 175        /* enable the Unit LED (green) */
 176        setbits_8(&base->oprth, WRL_BOOT);
 177        /* enable Application Buffer */
 178        setbits_8(&base->oprtl, OPRTL_XBUFENA);
 179
 180#if defined(CONFIG_SUVD3)
 181        /* configure UPMA for APP1 */
 182        upmconfig(UPMA, (uint *) upma_table,
 183                sizeof(upma_table) / sizeof(uint));
 184        out_be32(mxmr, CONFIG_SYS_MAMR);
 185#endif
 186        return 0;
 187}
 188
 189int misc_init_r(void)
 190{
 191        /* add board specific i2c busses */
 192        board_init_i2c_busses();
 193        return 0;
 194}
 195
 196int last_stage_init(void)
 197{
 198#if defined(CONFIG_KMCOGE5NE)
 199        struct bfticu_iomap *base =
 200                (struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
 201        u8 dip_switch = in_8((u8 *)&(base->mswitch)) & BFTICU_DIPSWITCH_MASK;
 202
 203        if (dip_switch != 0) {
 204                /* start bootloader */
 205                puts("DIP:   Enabled\n");
 206                setenv("actual_bank", "0");
 207        }
 208#endif
 209        set_km_env();
 210        return 0;
 211}
 212
 213int fixed_sdram(void)
 214{
 215        immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
 216        u32 msize = 0;
 217        u32 ddr_size;
 218        u32 ddr_size_log2;
 219
 220        out_be32(&im->sysconf.ddrlaw[0].ar, (LAWAR_EN | 0x1e));
 221        out_be32(&im->ddr.csbnds[0].csbnds, (CONFIG_SYS_DDR_CS0_BNDS) | 0x7f);
 222        out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG);
 223        out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0);
 224        out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1);
 225        out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2);
 226        out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3);
 227        out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG);
 228        out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2);
 229        out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE);
 230        out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2);
 231        out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL);
 232        out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_CLK_CNTL);
 233        udelay(200);
 234        setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN);
 235
 236        msize = CONFIG_SYS_DDR_SIZE << 20;
 237        disable_addr_trans();
 238        msize = get_ram_size(CONFIG_SYS_DDR_BASE, msize);
 239        enable_addr_trans();
 240        msize /= (1024 * 1024);
 241        if (CONFIG_SYS_DDR_SIZE != msize) {
 242                for (ddr_size = msize << 20, ddr_size_log2 = 0;
 243                        (ddr_size > 1);
 244                        ddr_size = ddr_size >> 1, ddr_size_log2++)
 245                        if (ddr_size & 1)
 246                                return -1;
 247                out_be32(&im->sysconf.ddrlaw[0].ar,
 248                        (LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE)));
 249                out_be32(&im->ddr.csbnds[0].csbnds,
 250                        (((msize / 16) - 1) & 0xff));
 251        }
 252
 253        return msize;
 254}
 255
 256phys_size_t initdram(int board_type)
 257{
 258        immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
 259        u32 msize = 0;
 260
 261        if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im)
 262                return -1;
 263
 264        out_be32(&im->sysconf.ddrlaw[0].bar,
 265                CONFIG_SYS_DDR_BASE & LAWBAR_BAR);
 266        msize = fixed_sdram();
 267
 268#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
 269        /*
 270         * Initialize DDR ECC byte
 271         */
 272        ddr_enable_ecc(msize * 1024 * 1024);
 273#endif
 274
 275        /* return total bus SDRAM size(bytes)  -- DDR */
 276        return msize * 1024 * 1024;
 277}
 278
 279int checkboard(void)
 280{
 281        puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
 282
 283        if (ethernet_present())
 284                puts(" with PIGGY.");
 285        puts("\n");
 286        return 0;
 287}
 288
 289#if defined(CONFIG_OF_BOARD_SETUP)
 290void ft_board_setup(void *blob, bd_t *bd)
 291{
 292        ft_cpu_setup(blob, bd);
 293}
 294#endif
 295
 296#if defined(CONFIG_HUSH_INIT_VAR)
 297int hush_init_var(void)
 298{
 299        ivm_read_eeprom();
 300        return 0;
 301}
 302#endif
 303
 304#if defined(CONFIG_POST)
 305int post_hotkeys_pressed(void)
 306{
 307        int testpin = 0;
 308        struct km_bec_fpga *base =
 309                (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE;
 310        int testpin_reg = in_8(&base->CONFIG_TESTPIN_REG);
 311        testpin = (testpin_reg & CONFIG_TESTPIN_MASK) != 0;
 312        debug("post_hotkeys_pressed: %d\n", !testpin);
 313        return testpin;
 314}
 315
 316ulong post_word_load(void)
 317{
 318        void* addr = (ulong *) (CPM_POST_WORD_ADDR);
 319        debug("post_word_load 0x%08lX:  0x%08X\n", (ulong)addr, in_le32(addr));
 320        return in_le32(addr);
 321
 322}
 323void post_word_store(ulong value)
 324{
 325        void* addr = (ulong *) (CPM_POST_WORD_ADDR);
 326        debug("post_word_store 0x%08lX: 0x%08lX\n", (ulong)addr, value);
 327        out_le32(addr, value);
 328}
 329
 330int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
 331{
 332        *vstart = CONFIG_SYS_MEMTEST_START;
 333        *size = CONFIG_SYS_MEMTEST_END - CONFIG_SYS_MEMTEST_START;
 334        debug("arch_memory_test_prepare 0x%08X 0x%08X\n", *vstart, *size);
 335
 336        return 0;
 337}
 338#endif
 339