/*
 * Copyright 2007-2011 Freescale Semiconductor, Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <command.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/mmu.h>
#include <asm/cache.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_pci.h>
#include <asm/fsl_ddr_sdram.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <miiphy.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <tsec.h>
#include <fsl_mdio.h>
#include <netdev.h>

#include "../common/sgmii_riser.h"

int checkboard (void)
{
        u8 vboot;
        u8 *pixis_base = (u8 *)PIXIS_BASE;

        puts ("Board: MPC8572DS ");
#ifdef CONFIG_PHYS_64BIT
        puts ("(36-bit addrmap) ");
#endif
        printf ("Sys ID: 0x%02x, "
                "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
                in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
                in_8(pixis_base + PIXIS_PVER));

        vboot = in_8(pixis_base + PIXIS_VBOOT);
        switch ((vboot & PIXIS_VBOOT_LBMAP) >> 6) {
                case PIXIS_VBOOT_LBMAP_NOR0:
                        puts ("vBank: 0\n");
                        break;
                case PIXIS_VBOOT_LBMAP_PJET:
                        puts ("Promjet\n");
                        break;
                case PIXIS_VBOOT_LBMAP_NAND:
                        puts ("NAND\n");
                        break;
                case PIXIS_VBOOT_LBMAP_NOR1:
                        puts ("vBank: 1\n");
                        break;
        }

        return 0;
}


#if !defined(CONFIG_SPD_EEPROM)
/*
 * Fixed sdram init -- doesn't use serial presence detect.
 */

phys_size_t fixed_sdram (void)
{
        volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
        volatile ccsr_ddr_t *ddr= &immap->im_ddr;
        uint d_init;

        ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
        ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;

        ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
        ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
        ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
        ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
        ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
        ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
        ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
        ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
        ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
        ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;

#if defined (CONFIG_DDR_ECC)
        ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
        ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
        ddr->err_sbe = CONFIG_SYS_DDR_SBE;
#endif
        asm("sync;isync");

        udelay(500);

        ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;

#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
        d_init = 1;
        debug("DDR - 1st controller: memory initializing\n");
        /*
         * Poll until memory is initialized.
         * 512 Meg at 400 might hit this 200 times or so.
         */
        while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
                udelay(1000);
        }
        debug("DDR: memory initialized\n\n");
        asm("sync; isync");
        udelay(500);
#endif

        return 512 * 1024 * 1024;
}

#endif

#ifdef CONFIG_PCI
void pci_init_board(void)
{
        struct pci_controller *hose;

        fsl_pcie_init_board(0);

        hose = find_hose_by_cfg_addr((void *)(CONFIG_SYS_PCIE3_ADDR));

        if (hose) {
                u32 temp32;
                u8 uli_busno = hose->first_busno + 2;

                /*
                 * Activate ULI1575 legacy chip by performing a fake
                 * memory access.  Needed to make ULI RTC work.
                 * Device 1d has the first on-board memory BAR.
                 */
                pci_hose_read_config_dword(hose, PCI_BDF(uli_busno, 0x1d, 0),
                                PCI_BASE_ADDRESS_1, &temp32);

                if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
                        void *p = pci_mem_to_virt(PCI_BDF(uli_busno, 0x1d, 0),
                                        temp32, 4, 0);
                        debug(" uli1572 read to %p\n", p);
                        in_be32(p);
                }
        }
}
#endif

int board_early_init_r(void)
{
        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
        const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

        /*
         * Remap Boot flash + PROMJET region to caching-inhibited
         * so that flash can be erased properly.
         */

        /* Flush d-cache and invalidate i-cache of any FLASH data */
        flush_dcache();
        invalidate_icache();

        /* invalidate existing TLB entry for flash + promjet */
        disable_tlb(flash_esel);

        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,       /* tlb, epn, rpn */
                        MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
                        0, flash_esel, BOOKE_PAGESZ_256M, 1);   /* ts, esel, tsize, iprot */

        return 0;
}

#ifdef CONFIG_TSEC_ENET
int board_eth_init(bd_t *bis)
{
        struct fsl_pq_mdio_info mdio_info;
        struct tsec_info_struct tsec_info[4];
        int num = 0;

#ifdef CONFIG_TSEC1
        SET_STD_TSEC_INFO(tsec_info[num], 1);
        if (is_serdes_configured(SGMII_TSEC1)) {
                puts("eTSEC1 is in sgmii mode.\n");
                tsec_info[num].flags |= TSEC_SGMII;
        }
        num++;
#endif
#ifdef CONFIG_TSEC2
        SET_STD_TSEC_INFO(tsec_info[num], 2);
        if (is_serdes_configured(SGMII_TSEC2)) {
                puts("eTSEC2 is in sgmii mode.\n");
                tsec_info[num].flags |= TSEC_SGMII;
        }
        num++;
#endif
#ifdef CONFIG_TSEC3
        SET_STD_TSEC_INFO(tsec_info[num], 3);
        if (is_serdes_configured(SGMII_TSEC3)) {
                puts("eTSEC3 is in sgmii mode.\n");
                tsec_info[num].flags |= TSEC_SGMII;
        }
        num++;
#endif
#ifdef CONFIG_TSEC4
        SET_STD_TSEC_INFO(tsec_info[num], 4);
        if (is_serdes_configured(SGMII_TSEC4)) {
                puts("eTSEC4 is in sgmii mode.\n");
                tsec_info[num].flags |= TSEC_SGMII;
        }
        num++;
#endif

        if (!num) {
                printf("No TSECs initialized\n");

                return 0;
        }

#ifdef CONFIG_FSL_SGMII_RISER
        fsl_sgmii_riser_init(tsec_info, num);
#endif

        mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
        mdio_info.name = DEFAULT_MII_NAME;
        fsl_pq_mdio_init(bis, &mdio_info);

        tsec_eth_init(bis, tsec_info, num);

        return pci_eth_init(bis);
}
#endif

#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
        phys_addr_t base;
        phys_size_t size;

        ft_cpu_setup(blob, bd);

        base = getenv_bootm_low();
        size = getenv_bootm_size();

        fdt_fixup_memory(blob, (u64)base, (u64)size);

        FT_FSL_PCI_SETUP;

#ifdef CONFIG_FSL_SGMII_RISER
        fsl_sgmii_riser_fdt_fixup(blob);
#endif
}
#endif