Skip to content
Snippets Groups Projects
tqm5200.c 17.4 KiB
Newer Older
  • Learn to ignore specific revisions
  •  * (C) Copyright 2003-2006
    
     * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
     *
     * (C) Copyright 2004
     * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
     *
    
     * (C) Copyright 2004-2006
    
     * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de
     *
     * 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
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
     * 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 <mpc5xxx.h>
    #include <pci.h>
    
    #include <asm/processor.h>
    
    #ifdef CONFIG_VIDEO_SM501
    #include <sm501.h>
    #endif
    
    
    #if defined(CONFIG_MPC5200_DDR)
    #include "mt46v16m16-75.h"
    #else
    #include "mt48lc16m16a2-75.h"
    #endif
    
    #ifdef CONFIG_OF_LIBFDT
    #include <fdt_support.h>
    #endif /* CONFIG_OF_LIBFDT */
    
    
    #ifdef CONFIG_PS2MULT
    void ps2mult_early_init(void);
    #endif
    
    
    #ifndef CFG_RAMBOOT
    static void sdram_start (int hi_addr)
    {
    	long hi_addr_bit = hi_addr ? 0x01000000 : 0;
    
    	/* unlock mode register */
    	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 |
    		hi_addr_bit;
    	__asm__ volatile ("sync");
    
    	/* precharge all banks */
    	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
    		hi_addr_bit;
    	__asm__ volatile ("sync");
    
    #if SDRAM_DDR
    	/* set mode register: extended mode */
    	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
    	__asm__ volatile ("sync");
    
    	/* set mode register: reset DLL */
    	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
    	__asm__ volatile ("sync");
    #endif
    
    	/* precharge all banks */
    	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 |
    		hi_addr_bit;
    	__asm__ volatile ("sync");
    
    	/* auto refresh */
    	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 |
    		hi_addr_bit;
    	__asm__ volatile ("sync");
    
    	/* set mode register */
    	*(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE;
    	__asm__ volatile ("sync");
    
    	/* normal operation */
    	*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
    	__asm__ volatile ("sync");
    }
    #endif
    
    /*
     * ATTENTION: Although partially referenced initdram does NOT make real use
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
     *	      use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
     *	      is something else than 0x00000000.
    
     */
    
    long int initdram (int board_type)
    {
    	ulong dramsize = 0;
    	ulong dramsize2 = 0;
    
    #ifndef CFG_RAMBOOT
    	ulong test1, test2;
    
    	/* setup SDRAM chip selects */
    	*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
    	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x40000000; /* disabled */
    	__asm__ volatile ("sync");
    
    	/* setup config registers */
    	*(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
    	*(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
    	__asm__ volatile ("sync");
    
    #if SDRAM_DDR
    	/* set tap delay */
    	*(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
    	__asm__ volatile ("sync");
    #endif
    
    	/* find RAM size using SDRAM CS0 only */
    	sdram_start(0);
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    	test1 = get_ram_size((long *)CFG_SDRAM_BASE, 0x20000000);
    
    	sdram_start(1);
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    	test2 = get_ram_size((long *)CFG_SDRAM_BASE, 0x20000000);
    
    	if (test1 > test2) {
    		sdram_start(0);
    		dramsize = test1;
    	} else {
    		dramsize = test2;
    	}
    
    	/* memory smaller than 1MB is impossible */
    	if (dramsize < (1 << 20)) {
    		dramsize = 0;
    	}
    
    	/* set SDRAM CS0 size according to the amount of RAM found */
    	if (dramsize > 0) {
    		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 +
    			__builtin_ffs(dramsize >> 20) - 1;
    	} else {
    		*(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
    	}
    
    	/* let SDRAM CS1 start right after CS0 */
    	*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001c; /* 512MB */
    
    	/* find RAM size using SDRAM CS1 only */
    
    	if (!dramsize)
    		sdram_start(0);
    	test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
    	if (!dramsize) {
    		sdram_start(1);
    		test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x20000000);
    	}
    
    	if (test1 > test2) {
    		sdram_start(0);
    		dramsize2 = test1;
    	} else {
    		dramsize2 = test2;
    	}
    
    	/* memory smaller than 1MB is impossible */
    	if (dramsize2 < (1 << 20)) {
    		dramsize2 = 0;
    	}
    
    	/* set SDRAM CS1 size according to the amount of RAM found */
    	if (dramsize2 > 0) {
    		*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize
    			| (0x13 + __builtin_ffs(dramsize2 >> 20) - 1);
    	} else {
    		*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
    	}
    
    #else /* CFG_RAMBOOT */
    
    	/* retrieve size of memory connected to SDRAM CS0 */
    	dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
    	if (dramsize >= 0x13) {
    		dramsize = (1 << (dramsize - 0x13)) << 20;
    	} else {
    		dramsize = 0;
    	}
    
    	/* retrieve size of memory connected to SDRAM CS1 */
    	dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF;
    	if (dramsize2 >= 0x13) {
    		dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
    	} else {
    		dramsize2 = 0;
    	}
    #endif /* CFG_RAMBOOT */
    
    
    	/*
    	 * On MPC5200B we need to set the special configuration delay in the
    	 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
    	 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
    	 *
    	 * "The SDelay should be written to a value of 0x00000004. It is
    	 * required to account for changes caused by normal wafer processing
    	 * parameters."
    	 */
    	svr = get_svr();
    	pvr = get_pvr();
    	if ((SVR_MJREV(svr) >= 2) &&
    	    (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
    
    		*(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
    		__asm__ volatile ("sync");
    	}
    
    #if defined(CONFIG_TQM5200_B)
    	return dramsize + dramsize2;
    #else
    
    	return dramsize;
    
    #endif /* CONFIG_TQM5200_B */
    
    }
    
    int checkboard (void)
    {
    
    #if defined(CONFIG_AEVFIFO)
    
    	puts ("Board: AEVFIFO\n");
    	return 0;
    #endif
    
    
    #if defined(CONFIG_TQM5200S)
    # define MODULE_NAME	"TQM5200S"
    
    # define MODULE_NAME	"TQM5200"
    
    
    #if defined(CONFIG_STK52XX)
    # define CARRIER_NAME	"STK52xx"
    #elif defined(CONFIG_TB5200)
    # define CARRIER_NAME	"TB5200"
    
    #elif defined(CONFIG_CAM5200)
    
    # define CARRIER_NAME	"CAM5200"
    
    #elif defined(CONFIG_FO300)
    # define CARRIER_NAME	"FO300"
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    # error "UNKNOWN"
    
    #endif
    
    	puts (	"Board: " MODULE_NAME " (TQ-Components GmbH)\n"
    		"       on a " CARRIER_NAME " carrier board\n");
    
    
    #undef MODULE_NAME
    #undef CARRIER_NAME
    
    
    void flash_preinit(void)
    {
    	/*
    	 * Now, when we are in RAM, enable flash write
    	 * access for detection process.
    	 * Note that CS_BOOT cannot be cleared when
    	 * executing in flash.
    	 */
    	*(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
    }
    
    
    #ifdef	CONFIG_PCI
    static struct pci_controller hose;
    
    extern void pci_mpc5xxx_init(struct pci_controller *);
    
    void pci_init_board(void)
    {
    	pci_mpc5xxx_init(&hose);
    }
    #endif
    
    
    #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
    
    
    #if defined (CONFIG_MINIFAP)
    #define SM501_POWER_MODE0_GATE		0x00000040UL
    #define SM501_POWER_MODE1_GATE		0x00000048UL
    #define POWER_MODE_GATE_GPIO_PWM_I2C	0x00000040UL
    #define SM501_GPIO_DATA_DIR_HIGH	0x0001000CUL
    #define SM501_GPIO_DATA_HIGH		0x00010004UL
    #define SM501_GPIO_51			0x00080000UL
    
    
    void init_ide_reset (void)
    {
    	debug ("init_ide_reset\n");
    
    #if defined (CONFIG_MINIFAP)
    	/* Configure GPIO_51 of the SM501 grafic controller as ATA reset */
    
    	/* enable GPIO control (in both power modes) */
    	*(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
    		POWER_MODE_GATE_GPIO_PWM_I2C;
    	*(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
    		POWER_MODE_GATE_GPIO_PWM_I2C;
    	/* configure GPIO51 as output */
    	*(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |=
    		SM501_GPIO_51;
    #else
    	/* Configure PSC1_4 as GPIO output for ATA reset */
    	*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
    	*(vu_long *) MPC5XXX_WU_GPIO_DIR    |= GPIO_PSC1_4;
    #endif
    }
    
    void ide_set_reset (int idereset)
    {
    	debug ("ide_reset(%d)\n", idereset);
    
    #if defined (CONFIG_MINIFAP)
    	if (idereset) {
    		*(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
    			~SM501_GPIO_51;
    	} else {
    		*(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
    			SM501_GPIO_51;
    	}
    #else
    	if (idereset) {
    
    		*(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
    
    		*(vu_long *) MPC5XXX_WU_GPIO_DATA_O |=  GPIO_PSC1_4;
    
    
    #ifdef CONFIG_POST
    /*
     * Reads GPIO pin PSC6_3. A keypress is reported, if PSC6_3 is low. If PSC6_3
     * is left open, no keypress is detected.
     */
    int post_hotkeys_pressed(void)
    {
    
    	struct mpc5xxx_gpio *gpio;
    
    	gpio = (struct mpc5xxx_gpio*) MPC5XXX_GPIO;
    
    	/*
    	 * Configure PSC6_1 and PSC6_3 as GPIO. PSC6 then couldn't be used in
    	 * CODEC or UART mode. Consumer IrDA should still be possible.
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    	 */
    
    	gpio->port_config &= ~(0x07000000);
    	gpio->port_config |=   0x03000000;
    
    	/* Enable GPIO for GPIO_IRDA_1 (IR_USB_CLK pin) = PSC6_3 */
    	gpio->simple_gpioe |= 0x20000000;
    
    	/* Configure GPIO_IRDA_1 as input */
    	gpio->simple_ddr &= ~(0x20000000);
    
    	return ((gpio->simple_ival & 0x20000000) ? 0 : 1);
    
    }
    #endif
    
    #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
    
    void post_word_store (ulong a)
    {
    	volatile ulong *save_addr =
    		(volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
    
    	*save_addr = a;
    }
    
    ulong post_word_load (void)
    {
    	volatile ulong *save_addr =
    		(volatile ulong *)(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE);
    
    	return *save_addr;
    }
    #endif	/* CONFIG_POST || CONFIG_LOGBUFFER*/
    
    
    #ifdef CONFIG_BOARD_EARLY_INIT_R
    int board_early_init_r (void)
    {
    
    	extern int usb_cpu_init(void);
    
    
    #ifdef CONFIG_PS2MULT
    
    	ps2mult_early_init();
    
    #endif /* CONFIG_PS2MULT */
    
    #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
    	/* Low level USB init, required for proper kernel operation */
    	usb_cpu_init();
    #endif
    
    
    #ifdef CONFIG_FO300
    int silent_boot (void)
    {
    	vu_long timer3_status;
    
    	/* Configure GPT3 as GPIO input */
    	*(vu_long *)MPC5XXX_GPT3_ENABLE = 0x00000004;
    
    	/* Read in TIMER_3 pin status */
    	timer3_status = *(vu_long *)MPC5XXX_GPT3_STATUS;
    
    #ifdef FO300_SILENT_CONSOLE_WHEN_S1_CLOSED
    	/* Force silent console mode if S1 switch
    	 * is in closed position (TIMER_3 pin status is LOW). */
    	if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 0)
    		return 1;
    #else
    	/* Force silent console mode if S1 switch
    	 * is in open position (TIMER_3 pin status is HIGH). */
    	if (MPC5XXX_GPT_GPIO_PIN(timer3_status) == 1)
    		return 1;
    #endif
    
    	return 0;
    }
    
    int board_early_init_f (void)
    {
    	if (silent_boot())
    		gd->flags |= GD_FLG_SILENT;
    
    	return 0;
    }
    #endif	/* CONFIG_FO300 */
    
    
    int last_stage_init (void)
    {
    	/*
    	 * auto scan for really existing devices and re-set chip select
    	 * configuration.
    	 */
    	u16 save, tmp;
    	int restore;
    
    	/*
    	 * Check for SRAM and SRAM size
    	 */
    
    
    	/* save original SRAM content  */
    
    	save = *(volatile u16 *)CFG_CS2_START;
    	restore = 1;
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    	/* write test pattern to SRAM */
    	*(volatile u16 *)CFG_CS2_START = 0xA5A5;
    	__asm__ volatile ("sync");
    	/*
    	 * Put a different pattern on the data lines: otherwise they may float
    	 * long enough to read back what we wrote.
    	 */
    	tmp = *(volatile u16 *)CFG_FLASH_BASE;
    	if (tmp == 0xA5A5)
    		puts ("!! possible error in SRAM detection\n");
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    	if (*(volatile u16 *)CFG_CS2_START != 0xA5A5) {
    		/* no SRAM at all, disable cs */
    		*(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
    		*(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
    		*(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
    		restore = 0;
    		__asm__ volatile ("sync");
    
    	} else if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0xA5A5) {
    
    		/* make sure that we access a mirrored address */
    		*(volatile u16 *)CFG_CS2_START = 0x1111;
    		__asm__ volatile ("sync");
    		if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0x1111) {
    			/* SRAM size = 512 kByte */
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    			*(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CFG_CS2_START,
    
    								0x80000);
    			__asm__ volatile ("sync");
    			puts ("SRAM:  512 kB\n");
    		}
    		else
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    			puts ("!! possible error in SRAM detection\n");
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    		puts ("SRAM:  1 MB\n");
    
    	}
    	/* restore origianl SRAM content  */
    	if (restore) {
    		*(volatile u16 *)CFG_CS2_START = save;
    		__asm__ volatile ("sync");
    	}
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    #ifndef CONFIG_TQM5200S	/* The TQM5200S has no SM501 grafic controller */
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    	/*
    
    	 * Check for Grafic Controller
    	 */
    
    	/* save origianl FB content  */
    	save = *(volatile u16 *)CFG_CS1_START;
    	restore = 1;
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    	/* write test pattern to FB memory */
    	*(volatile u16 *)CFG_CS1_START = 0xA5A5;
    	__asm__ volatile ("sync");
    	/*
    	 * Put a different pattern on the data lines: otherwise they may float
    	 * long enough to read back what we wrote.
    	 */
    	tmp = *(volatile u16 *)CFG_FLASH_BASE;
    	if (tmp == 0xA5A5)
    		puts ("!! possible error in grafic controller detection\n");
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    	if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
    		/* no grafic controller at all, disable cs */
    		*(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
    		*(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
    		*(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
    		restore = 0;
    		__asm__ volatile ("sync");
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    		puts ("VGA:   SMI501 (Voyager) with 8 MB\n");
    
    	}
    	/* restore origianl FB content  */
    	if (restore) {
    		*(volatile u16 *)CFG_CS1_START = save;
    		__asm__ volatile ("sync");
    	}
    
    Wolfgang Denk's avatar
    Wolfgang Denk committed
    
    
    #ifdef CONFIG_FO300
    	if (silent_boot()) {
    		setenv("bootdelay", "0");
    		disable_ctrlc(1);
    	}
    #endif
    
    #endif /* !CONFIG_TQM5200S */
    
    
    #ifdef CONFIG_VIDEO_SM501
    
    
    #ifdef CONFIG_FO300
    #define DISPLAY_WIDTH   800
    #else
    
    #define DISPLAY_WIDTH   640
    
    #define DISPLAY_HEIGHT  480
    
    #ifdef CONFIG_VIDEO_SM501_8BPP
    #error CONFIG_VIDEO_SM501_8BPP not supported.
    #endif /* CONFIG_VIDEO_SM501_8BPP */
    
    #ifdef CONFIG_VIDEO_SM501_16BPP
    #error CONFIG_VIDEO_SM501_16BPP not supported.
    #endif /* CONFIG_VIDEO_SM501_16BPP */
    #ifdef CONFIG_VIDEO_SM501_32BPP
    static const SMI_REGS init_regs [] =
    {
    #if 0 /* CRT only */
    	{0x00004, 0x0},
    	{0x00048, 0x00021807},
    	{0x0004C, 0x10090a01},
    	{0x00054, 0x1},
    	{0x00040, 0x00021807},
    	{0x00044, 0x10090a01},
    	{0x00054, 0x0},
    	{0x80200, 0x00010000},
    	{0x80204, 0x0},
    	{0x80208, 0x0A000A00},
    	{0x8020C, 0x02fa027f},
    	{0x80210, 0x004a028b},
    	{0x80214, 0x020c01df},
    	{0x80218, 0x000201e9},
    	{0x80200, 0x00013306},
    #else  /* panel + CRT */
    
    #ifdef CONFIG_FO300
    	{0x00004, 0x0},
    	{0x00048, 0x00021807},
    	{0x0004C, 0x301a0a01},
    	{0x00054, 0x1},
    	{0x00040, 0x00021807},
    	{0x00044, 0x091a0a01},
    	{0x00054, 0x0},
    	{0x80000, 0x0f013106},
    	{0x80004, 0xc428bb17},
    	{0x8000C, 0x00000000},
    	{0x80010, 0x0C800C80},
    	{0x80014, 0x03200000},
    	{0x80018, 0x01e00000},
    	{0x8001C, 0x00000000},
    	{0x80020, 0x01e00320},
    	{0x80024, 0x042a031f},
    	{0x80028, 0x0086034a},
    	{0x8002C, 0x020c01df},
    	{0x80030, 0x000201ea},
    	{0x80200, 0x00010000},
    #else
    
    	{0x00004, 0x0},
    	{0x00048, 0x00021807},
    	{0x0004C, 0x091a0a01},
    	{0x00054, 0x1},
    	{0x00040, 0x00021807},
    	{0x00044, 0x091a0a01},
    	{0x00054, 0x0},
    	{0x80000, 0x0f013106},
    	{0x80004, 0xc428bb17},
    	{0x8000C, 0x00000000},
    	{0x80010, 0x0a000a00},
    	{0x80014, 0x02800000},
    	{0x80018, 0x01e00000},
    	{0x8001C, 0x00000000},
    	{0x80020, 0x01e00280},
    	{0x80024, 0x02fa027f},
    	{0x80028, 0x004a028b},
    	{0x8002C, 0x020c01df},
    	{0x80030, 0x000201e9},
    	{0x80200, 0x00010000},
    
    #endif /* #ifdef CONFIG_FO300 */
    
    #endif
    	{0, 0}
    };
    #endif /* CONFIG_VIDEO_SM501_32BPP */
    
    #ifdef CONFIG_CONSOLE_EXTRA_INFO
    /*
     * Return text to be printed besides the logo.
     */
    void video_get_info_str (int line_number, char *info)
    {
    	if (line_number == 1) {
    
    	strcpy (info, " Board: TQM5200 (TQ-Components GmbH)");
    
    #if defined (CONFIG_STK52XX) || defined (CONFIG_TB5200) || defined(CONFIG_FO300)
    
    	} else if (line_number == 2) {
    
    #if defined (CONFIG_STK52XX)
    
    		strcpy (info, "        on a STK52xx carrier board");
    
    #endif
    #if defined (CONFIG_TB5200)
    
    		strcpy (info, "        on a TB5200 carrier board");
    
    #endif
    
    #if defined (CONFIG_FO300)
    		strcpy (info, "        on a FO300 carrier board");
    #endif
    
     * Returns SM501 register base address. First thing called in the
     * driver. Checks if SM501 is physically present.
    
     */
    unsigned int board_video_init (void)
    {
    
    	u16 save, tmp;
    	int restore, ret;
    
    	/*
    	 * Check for Grafic Controller
    	 */
    
    	/* save origianl FB content  */
    	save = *(volatile u16 *)CFG_CS1_START;
    	restore = 1;
    
    	/* write test pattern to FB memory */
    	*(volatile u16 *)CFG_CS1_START = 0xA5A5;
    	__asm__ volatile ("sync");
    	/*
    	 * Put a different pattern on the data lines: otherwise they may float
    	 * long enough to read back what we wrote.
    	 */
    	tmp = *(volatile u16 *)CFG_FLASH_BASE;
    	if (tmp == 0xA5A5)
    		puts ("!! possible error in grafic controller detection\n");
    
    	if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
    		/* no grafic controller found */
    		restore = 0;
    		ret = 0;
    	} else {
    		ret = SM501_MMIO_BASE;
    	}
    
    	if (restore) {
    		*(volatile u16 *)CFG_CS1_START = save;
    		__asm__ volatile ("sync");
    	}
    	return ret;
    
    }
    
    /*
     * Returns SM501 framebuffer address
     */
    unsigned int board_video_get_fb (void)
    {
    	return SM501_FB_BASE;
    }
    
    /*
     * Called after initializing the SM501 and before clearing the screen.
     */
    void board_validate_screen (unsigned int base)
    {
    }
    
    /*
     * Return a pointer to the initialization sequence.
     */
    const SMI_REGS *board_get_regs (void)
    {
    	return init_regs;
    }
    
    int board_get_width (void)
    {
    	return DISPLAY_WIDTH;
    }
    
    int board_get_height (void)
    {
    	return DISPLAY_HEIGHT;
    }
    
    #endif /* CONFIG_VIDEO_SM501 */
    
    #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
    
    void ft_board_setup(void *blob, bd_t *bd)
    {
    	ft_cpu_setup(blob, bd);
    
    	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
    
    #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */