Example #1
0
File: init.c Project: nhanh0/hah
int __init prom_init(int argc, char **argv, char **envp)
{
	prom_argc = argc;
	prom_argv = argv;
	prom_envp = envp;

	mips_display_message("LINUX");

	/*
	 * Setup the North bridge to do Master byte-lane swapping when 
	 * running in bigendian.
	 */
#if defined(__MIPSEL__)
	GT_WRITE(GT_PCI0_CMD_OFS, GT_PCI0_CMD_MBYTESWAP_BIT |
		 GT_PCI0_CMD_SBYTESWAP_BIT);
#else
	GT_WRITE(GT_PCI0_CMD_OFS, 0);
#endif

#if defined(CONFIG_MIPS_MALTA)
	set_io_port_base(MALTA_PORT_BASE);
#else
	set_io_port_base(KSEG1);
#endif
	setup_prom_printf(0);
	prom_printf("\nLINUX started...\n");
	prom_init_cmdline();
	prom_meminit();

	return 0;
}
Example #2
0
int __init prom_init(int argc, char **argv, char **envp)
{
    prom_argc = argc;
    _prom_argv = (int *)argv;
    _prom_envp = (int *)envp;

    mips_display_message("LINUX");

#ifdef CONFIG_MIPS_SEAD
    mips_io_port_base = KSEG1;
#else
    mips_revision_corid = MIPS_REVISION_CORID;
    switch(mips_revision_corid) {
    case MIPS_REVISION_CORID_QED_RM5261:
    case MIPS_REVISION_CORID_CORE_LV:
    case MIPS_REVISION_CORID_CORE_FPGA:
        /*
         * Setup the North bridge to do Master byte-lane swapping
         * when running in bigendian.
         */
#if defined(__MIPSEL__)
        GT_WRITE(GT_PCI0_CMD_OFS, GT_PCI0_CMD_MBYTESWAP_BIT |
                 GT_PCI0_CMD_SBYTESWAP_BIT);
#else
        GT_WRITE(GT_PCI0_CMD_OFS, 0);
#endif

#if defined(CONFIG_MIPS_MALTA)
        mips_io_port_base = MALTA_GT_PORT_BASE;
#else
        mips_io_port_base = KSEG1;
#endif

        break;
    case MIPS_REVISION_CORID_BONITO64:
    case MIPS_REVISION_CORID_CORE_20K:
        /*
         * Disable Bonito IOBC.
         */
        BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG &
                               ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
                                 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);

        /*
         * Setup the North bridge to do Master byte-lane swapping
         * when running in bigendian.
         */
#if defined(__MIPSEL__)
        BONITO_BONGENCFG = BONITO_BONGENCFG &
                           ~(BONITO_BONGENCFG_MSTRBYTESWAP |
                             BONITO_BONGENCFG_BYTESWAP);
#else
        BONITO_BONGENCFG = BONITO_BONGENCFG |
                           BONITO_BONGENCFG_MSTRBYTESWAP |
                           BONITO_BONGENCFG_BYTESWAP;
#endif

#if defined(CONFIG_MIPS_MALTA)
        mips_io_port_base = MALTA_BONITO_PORT_BASE;
#else
        mips_io_port_base = KSEG1;
#endif
        break;

    case MIPS_REVISION_CORID_CORE_MSC:
        mips_io_port_base = MALTA_MSC_PORT_BASE;
#if defined(__MIPSEL__)
        MSC_WRITE(MSC01_PCI_SWAP, MSC01_PCI_SWAP_NOSWAP);
#else
        MSC_WRITE(MSC01_PCI_SWAP,
                  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_IO_SHF |
                  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_MEM_SHF |
                  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_BAR0_SHF);
#endif
        break;
    default:
        /* Unknown Core card */
        mips_display_message("CC Error");
        while(1);   /* We die here... */
    }
#endif
    setup_prom_printf(0);
    prom_printf("\nLINUX started...\n");
    prom_init_cmdline();
    prom_meminit();

    return 0;
}
Example #3
0
void __init prom_init(void)
{
	prom_argc = fw_arg0;
	_prom_argv = (int *) fw_arg1;
	_prom_envp = (int *) fw_arg2;

#if defined(CONFIG_MIPS_AVALANCHE_PSPBOOT)
    sys_initenv();
#endif

#if !defined(CONFIG_MIPS_AVALANCHE_SOC)
	mips_display_message("LINUX");

#ifdef CONFIG_MIPS_SEAD
	set_io_port_base(KSEG1);
#else
	/*
	 * early setup of _pcictrl_bonito so that we can determine
	 * the system controller on a CORE_EMUL board
	 */
	_pcictrl_bonito = (unsigned long)ioremap(BONITO_REG_BASE, BONITO_REG_SIZE);

	mips_revision_corid = MIPS_REVISION_CORID;

	if (mips_revision_corid == MIPS_REVISION_CORID_CORE_EMUL) {
		if (BONITO_PCIDID == 0x0001df53 || 
		    BONITO_PCIDID == 0x0003df53)
			mips_revision_corid = MIPS_REVISION_CORID_CORE_EMUL_BON;
		else
			mips_revision_corid = MIPS_REVISION_CORID_CORE_EMUL_MSC;
	}
	switch(mips_revision_corid) {
	case MIPS_REVISION_CORID_QED_RM5261:
	case MIPS_REVISION_CORID_CORE_LV:
	case MIPS_REVISION_CORID_CORE_FPGA:
	case MIPS_REVISION_CORID_CORE_FPGAR2:
		/*
		 * Setup the North bridge to do Master byte-lane swapping
		 * when running in bigendian.
		 */
		_pcictrl_gt64120 = (unsigned long)ioremap(MIPS_GT_BASE, 0x2000);

#ifdef CONFIG_CPU_LITTLE_ENDIAN
		GT_WRITE(GT_PCI0_CMD_OFS, GT_PCI0_CMD_MBYTESWAP_BIT |
			 GT_PCI0_CMD_SBYTESWAP_BIT);
#else
		GT_WRITE(GT_PCI0_CMD_OFS, 0);
#endif

#ifdef CONFIG_MIPS_MALTA
		set_io_port_base(MALTA_GT_PORT_BASE);
#else
		set_io_port_base((unsigned long)ioremap(0, 0x20000000));
#endif
		break;

	case MIPS_REVISION_CORID_CORE_EMUL_BON:
	case MIPS_REVISION_CORID_BONITO64:
	case MIPS_REVISION_CORID_CORE_20K:
		_pcictrl_bonito_pcicfg = (unsigned long)ioremap(BONITO_PCICFG_BASE, BONITO_PCICFG_SIZE);

		/*
		 * Disable Bonito IOBC.
		 */
		BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG &
			~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
			  BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);

		/*
		 * Setup the North bridge to do Master byte-lane swapping
		 * when running in bigendian.
		 */
#ifdef CONFIG_CPU_LITTLE_ENDIAN
		BONITO_BONGENCFG = BONITO_BONGENCFG &
			~(BONITO_BONGENCFG_MSTRBYTESWAP |
			  BONITO_BONGENCFG_BYTESWAP);
#else
		BONITO_BONGENCFG = BONITO_BONGENCFG |
			BONITO_BONGENCFG_MSTRBYTESWAP |
			BONITO_BONGENCFG_BYTESWAP;
#endif

#ifdef CONFIG_MIPS_MALTA
		set_io_port_base(MALTA_BONITO_PORT_BASE);
#else
		set_io_port_base((unsigned long)ioremap(0, 0x20000000));
#endif
		break;

	case MIPS_REVISION_CORID_CORE_MSC:
	case MIPS_REVISION_CORID_CORE_FPGA2:
	case MIPS_REVISION_CORID_CORE_EMUL_MSC:
		_pcictrl_msc = (unsigned long)ioremap(MIPS_MSC01_PCI_REG_BASE, 0x2000); 

#ifdef CONFIG_CPU_LITTLE_ENDIAN
		MSC_WRITE(MSC01_PCI_SWAP, MSC01_PCI_SWAP_NOSWAP);
#else
		MSC_WRITE(MSC01_PCI_SWAP,
			  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_IO_SHF |
			  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_MEM_SHF |
			  MSC01_PCI_SWAP_BYTESWAP << MSC01_PCI_SWAP_BAR0_SHF);
#endif

#ifdef CONFIG_MIPS_MALTA
		set_io_port_base(MALTA_MSC_PORT_BASE);
#else
		set_io_port_base((unsigned long)ioremap(0, 0x20000000));
#endif
		break;

	default:
		/* Unknown Core card */
		mips_display_message("CC Error");
		while(1);   /* We die here... */
	}
#endif
#endif

#if defined(CONFIG_MIPS_AVALANCHE_SOC)
    set_io_port_base(0);
	setup_prom_printf(0);
#endif /* CONFIG_MIPS_AVALANCHE_SOC */
	prom_printf("\nLINUX started...\n");
	prom_init_cmdline();
	prom_meminit();
#ifdef CONFIG_SERIAL_8250_CONSOLE
	console_config();
#endif
}