diff options
Diffstat (limited to 'qemu/roms/u-boot/board/esd/hh405/hh405.c')
| -rw-r--r-- | qemu/roms/u-boot/board/esd/hh405/hh405.c | 895 |
1 files changed, 895 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/esd/hh405/hh405.c b/qemu/roms/u-boot/board/esd/hh405/hh405.c new file mode 100644 index 000000000..8bd4223b2 --- /dev/null +++ b/qemu/roms/u-boot/board/esd/hh405/hh405.c @@ -0,0 +1,895 @@ +/* + * (C) Copyright 2001-2004 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * (C) Copyright 2005 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2006-2007 + * Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <command.h> +#include <malloc.h> +#include <pci.h> +#include <sm501.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* FPGA internal regs */ +#define FPGA_CTRL ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x000)) +#define FPGA_STATUS ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x002)) +#define FPGA_CTR ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x004)) +#define FPGA_BL ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x006)) + +/* FPGA Control Reg */ +#define FPGA_CTRL_REV0 0x0001 +#define FPGA_CTRL_REV1 0x0002 +#define FPGA_CTRL_VGA0_BL 0x0004 +#define FPGA_CTRL_VGA0_BL_MODE 0x0008 +#define FPGA_CTRL_CF_RESET 0x0040 +#define FPGA_CTRL_PS2_PWR 0x0080 +#define FPGA_CTRL_CF_PWRN 0x0100 /* low active */ +#define FPGA_CTRL_CF_BUS_EN 0x0200 +#define FPGA_CTRL_LCD_CLK 0x7000 /* mask for lcd clock */ +#define FPGA_CTRL_OW_ENABLE 0x8000 + +#define FPGA_STATUS_CF_DETECT 0x8000 + +#ifdef CONFIG_VIDEO_SM501 + +#define SWAP32(x) ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\ + (((x) & 0x00ff0000) >> 8) | (((x) & 0xff000000) >> 24) ) + +#ifdef CONFIG_VIDEO_SM501_8BPP +#error CONFIG_VIDEO_SM501_8BPP not supported. +#endif /* CONFIG_VIDEO_SM501_8BPP */ + +#ifdef CONFIG_VIDEO_SM501_16BPP +#define BPP 16 + +/* + * 800x600 display B084SN03: PCLK = 40MHz + * => 2*PCLK = 80MHz + * 336/4 = 84MHz + * => PCLK = 84MHz + */ +static const SMI_REGS init_regs_800x600 [] = +{ +#if 1 /* test-only */ + {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */ +#else + {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */ +#endif + {0x00004, SWAP32(0x00000000)}, + /* clocks for pm1... */ + {0x00048, SWAP32(0x00021807)}, + {0x0004C, SWAP32(0x221a0a01)}, + {0x00054, SWAP32(0x00000001)}, + /* clocks for pm0... */ + {0x00040, SWAP32(0x00021807)}, + {0x00044, SWAP32(0x221a0a01)}, + {0x00054, SWAP32(0x00000000)}, + /* GPIO */ + {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */ + /* panel control regs... */ + {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */ + {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */ + {0x8000C, SWAP32(0x00010000)}, /* panel fb address */ + {0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */ + {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */ + {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */ + {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */ + {0x80020, SWAP32(0x02580320)}, /* panel plane br location */ + {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */ + {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */ + {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */ + {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */ + {0x80200, SWAP32(0x00010000)}, /* crt display control */ + {0, 0} +}; + +/* + * 1024x768 display G150XG02: PCLK = 65MHz + * => 2*PCLK = 130MHz + * 288/2 = 144MHz + * => PCLK = 72MHz + */ +static const SMI_REGS init_regs_1024x768 [] = +{ + {0x00004, SWAP32(0x00000000)}, + /* clocks for pm1... */ + {0x00048, SWAP32(0x00021807)}, + {0x0004C, SWAP32(0x011a0a01)}, + {0x00054, SWAP32(0x00000001)}, + /* clocks for pm0... */ + {0x00040, SWAP32(0x00021807)}, + {0x00044, SWAP32(0x011a0a01)}, + {0x00054, SWAP32(0x00000000)}, + /* GPIO */ + {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */ + /* panel control regs... */ + {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */ + {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */ + {0x8000C, SWAP32(0x00010000)}, /* panel fb address */ + {0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */ + {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */ + {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */ + {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */ + {0x80020, SWAP32(0x03000400)}, /* panel plane br location */ + {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */ + {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */ + {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */ + {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */ + {0x80200, SWAP32(0x00010000)}, /* crt display control */ + {0, 0} +}; + +#endif /* CONFIG_VIDEO_SM501_16BPP */ + +#ifdef CONFIG_VIDEO_SM501_32BPP +#define BPP 32 + +/* + * 800x600 display B084SN03: PCLK = 40MHz + * => 2*PCLK = 80MHz + * 336/4 = 84MHz + * => PCLK = 84MHz + */ +static const SMI_REGS init_regs_800x600 [] = +{ +#if 0 /* test-only */ + {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */ +#else + {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */ +#endif + {0x00004, SWAP32(0x00000000)}, + /* clocks for pm1... */ + {0x00048, SWAP32(0x00021807)}, + {0x0004C, SWAP32(0x221a0a01)}, + {0x00054, SWAP32(0x00000001)}, + /* clocks for pm0... */ + {0x00040, SWAP32(0x00021807)}, + {0x00044, SWAP32(0x221a0a01)}, + {0x00054, SWAP32(0x00000000)}, + /* GPIO */ + {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */ + /* panel control regs... */ + {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */ + {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */ + {0x8000C, SWAP32(0x00010000)}, /* panel fb address */ + {0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */ + {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */ + {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */ + {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */ + {0x80020, SWAP32(0x02580320)}, /* panel plane br location */ + {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */ + {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */ + {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */ + {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */ + {0x80200, SWAP32(0x00010000)}, /* crt display control */ + {0, 0} +}; + +/* + * 1024x768 display G150XG02: PCLK = 65MHz + * => 2*PCLK = 130MHz + * 288/2 = 144MHz + * => PCLK = 72MHz + */ +static const SMI_REGS init_regs_1024x768 [] = +{ + {0x00004, SWAP32(0x00000000)}, + /* clocks for pm1... */ + {0x00048, SWAP32(0x00021807)}, + {0x0004C, SWAP32(0x011a0a01)}, + {0x00054, SWAP32(0x00000001)}, + /* clocks for pm0... */ + {0x00040, SWAP32(0x00021807)}, + {0x00044, SWAP32(0x011a0a01)}, + {0x00054, SWAP32(0x00000000)}, + /* GPIO */ + {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */ + /* panel control regs... */ + {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */ + {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */ + {0x8000C, SWAP32(0x00010000)}, /* panel fb address */ + {0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */ + {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */ + {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */ + {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */ + {0x80020, SWAP32(0x03000400)}, /* panel plane br location */ + {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */ + {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */ + {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */ + {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */ + {0x80200, SWAP32(0x00010000)}, /* crt display control */ + {0, 0} +}; + +#endif /* CONFIG_VIDEO_SM501_32BPP */ + +#endif /* CONFIG_VIDEO_SM501 */ + +#if 0 +#define FPGA_DEBUG +#endif + +extern void lxt971_no_sleep(void); + +/* fpga configuration data - gzip compressed and generated by bin2c */ +const unsigned char fpgadata[] = +{ +#include "fpgadata.c" +}; + +/* + * include common fpga code (for esd boards) + */ +#include "../common/fpga.c" + + +/* logo bitmap data - gzip compressed and generated by bin2c */ +unsigned char logo_bmp_320[] = +{ +#include "logo_320_240_4bpp.c" +}; + +unsigned char logo_bmp_320_8bpp[] = +{ +#include "logo_320_240_8bpp.c" +}; + +unsigned char logo_bmp_640[] = +{ +#include "logo_640_480_24bpp.c" +}; + +unsigned char logo_bmp_1024[] = +{ +#include "logo_1024_768_8bpp.c" +}; + + +/* + * include common lcd code (for esd boards) + */ +#include "../common/lcd.c" + +#include "../common/s1d13704_320_240_4bpp.h" +#include "../common/s1d13705_320_240_8bpp.h" +#include "../common/s1d13806_640_480_16bpp.h" +#include "../common/s1d13806_1024_768_8bpp.h" + + +/* + * include common auto-update code (for esd boards) + */ +#include "../common/auto_update.h" + +au_image_t au_image[] = { + {"hh405/preinst.img", 0, -1, AU_SCRIPT}, + {"hh405/u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE}, + {"hh405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND}, + {"hh405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND}, + {"hh405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND}, + {"hh405/postinst.img", 0, 0, AU_SCRIPT}, +}; + +int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0])); + + +/* + * Get version of HH405 board from GPIO's + */ +int board_revision(void) +{ + unsigned long osrh_reg; + unsigned long isr1h_reg; + unsigned long tcr_reg; + unsigned long value; + + /* + * Setup GPIO pins (BLAST/GPIO0 and GPIO9 as GPIO) + */ + osrh_reg = in_be32((void *)GPIO0_OSRH); + isr1h_reg = in_be32((void *)GPIO0_ISR1H); + tcr_reg = in_be32((void *)GPIO0_TCR); + out_be32((void *)GPIO0_OSRH, osrh_reg & ~0xC0003000); /* output select */ + out_be32((void *)GPIO0_ISR1H, isr1h_reg | 0xC0003000); /* input select */ + out_be32((void *)GPIO0_TCR, tcr_reg & ~0x80400000); /* select input */ + + udelay(1000); /* wait some time before reading input */ + value = in_be32((void *)GPIO0_IR) & 0x80400000; /* get config bits */ + + /* + * Restore GPIO settings + */ + out_be32((void *)GPIO0_OSRH, osrh_reg); /* output select */ + out_be32((void *)GPIO0_ISR1H, isr1h_reg); /* input select */ + out_be32((void *)GPIO0_TCR, tcr_reg); /* enable output driver for outputs */ + + if (value & 0x80000000) { + /* Revision 1.0 or 1.1 detected */ + return 1; + } else { + if (value & 0x00400000) { + /* unused */ + return 3; + } else { + return 2; + } + } +} + + +int board_early_init_f (void) +{ + /* + * IRQ 0-15 405GP internally generated; active high; level sensitive + * IRQ 16 405GP internally generated; active low; level sensitive + * IRQ 17-24 RESERVED + * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive + * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive + * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive + * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive + * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive + * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive + * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive + */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + mtdcr(UIC0ER, 0x00000000); /* disable all ints */ + mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ + mtdcr(UIC0PR, CONFIG_SYS_UIC0_POLARITY);/* set int polarities */ + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us + */ + mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */ + + return 0; +} + +int cf_enable(void) +{ + int i; + + if (gd->board_type >= 2) { + if (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT) { + if (!(in_be16(FPGA_CTRL) & FPGA_CTRL_CF_BUS_EN)) { + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_PWRN); + + for (i=0; i<300; i++) + udelay(1000); + + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | FPGA_CTRL_CF_BUS_EN); + + for (i=0; i<20; i++) + udelay(1000); + } + } else { + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_BUS_EN); + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | FPGA_CTRL_CF_PWRN); + } + } + + return 0; +} + +int misc_init_r (void) +{ + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + char *str; + unsigned long contrast0 = 0xffffffff; + + dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); + if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { + printf ("GUNZIP ERROR - must RESET board to recover\n"); + do_reset (NULL, 0, 0, NULL); + } + + status = fpga_boot(dst, len); + if (status != 0) { + printf("\nFPGA: Booting failed "); + switch (status) { + case ERROR_FPGA_PRG_INIT_LOW: + printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("FPGA: %s\n", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=20; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc ('\n'); + do_reset(NULL, 0, 0, NULL); + } + + puts("FPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("%s ", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + + free(dst); + + /* + * Reset FPGA via FPGA_INIT pin + */ + /* setup FPGA_INIT as output */ + out_be32((void *)GPIO0_TCR, + in_be32((void *)GPIO0_TCR) | FPGA_INIT); + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) & ~FPGA_INIT); /* reset low */ + udelay(1000); /* wait 1ms */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) | FPGA_INIT); /* reset high */ + udelay(1000); /* wait 1ms */ + + /* + * Write Board revision into FPGA + */ + out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | (gd->board_type & 0x0003)); + + /* + * Setup and enable EEPROM write protection + */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP); + + /* + * Reset touch-screen controller + */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_TOUCH_RST); + udelay(1000); + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) | CONFIG_SYS_TOUCH_RST); + + /* + * Enable power on PS/2 interface (with reset) + */ + out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) & ~FPGA_CTRL_PS2_PWR); + for (i=0;i<500;i++) + udelay(1000); + out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | FPGA_CTRL_PS2_PWR); + + /* + * Get contrast value from environment variable + */ + str = getenv("contrast0"); + if (str) { + contrast0 = simple_strtol(str, NULL, 16); + if (contrast0 > 255) { + printf("ERROR: contrast0 value too high (0x%lx)!\n", + contrast0); + contrast0 = 0xffffffff; + } + } + + /* + * Init lcd interface and display logo + */ + + str = getenv("bd_type"); + if (strcmp(str, "ppc230") == 0) { + /* + * Switch backlight on + */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | FPGA_CTRL_VGA0_BL); + out_be16(FPGA_BL, 0x0000); + + lcd_setup(1, 0); + lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM, + regs_13806_1024_768_8bpp, + sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]), + logo_bmp_1024, sizeof(logo_bmp_1024)); + } else if (strcmp(str, "ppc220") == 0) { + /* + * Switch backlight on + */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) & ~FPGA_CTRL_VGA0_BL); + out_be16(FPGA_BL, 0x0000); + + lcd_setup(1, 0); + lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM, + regs_13806_640_480_16bpp, + sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]), + logo_bmp_640, sizeof(logo_bmp_640)); + } else if (strcmp(str, "ppc215") == 0) { + /* + * Set default display contrast voltage + */ + if (contrast0 == 0xffffffff) { + out_be16(FPGA_CTR, 0x0082); + } else { + out_be16(FPGA_CTR, contrast0); + } + out_be16(FPGA_BL, 0xffff); + /* + * Switch backlight on + */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | + FPGA_CTRL_VGA0_BL | + FPGA_CTRL_VGA0_BL_MODE); + /* + * Set lcd clock (small epson) + */ + out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | LCD_CLK_06250); + udelay(100); /* wait for 100 us */ + + lcd_setup(0, 1); + lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM, + regs_13705_320_240_8bpp, + sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]), + logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp)); + } else if (strcmp(str, "ppc210") == 0) { + /* + * Set default display contrast voltage + */ + if (contrast0 == 0xffffffff) { + out_be16(FPGA_CTR, 0x0060); + } else { + out_be16(FPGA_CTR, contrast0); + } + out_be16(FPGA_BL, 0xffff); + /* + * Switch backlight on + */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | + FPGA_CTRL_VGA0_BL | + FPGA_CTRL_VGA0_BL_MODE); + /* + * Set lcd clock (small epson), enable 1-wire interface + */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | + LCD_CLK_08330 | + FPGA_CTRL_OW_ENABLE); + + lcd_setup(0, 1); + lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM, + regs_13704_320_240_4bpp, + sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]), + logo_bmp_320, sizeof(logo_bmp_320)); +#ifdef CONFIG_VIDEO_SM501 + } else { + pci_dev_t devbusfn; + + /* + * Is SM501 connected (ppc221/ppc231)? + */ + devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0); + if (devbusfn != -1) { + puts("VGA: SM501 with 8 MB "); + if (strcmp(str, "ppc221") == 0) { + printf("(800*600, %dbpp)\n", BPP); + out_be16(FPGA_BL, 0x002d); /* max. allowed brightness */ + } else if (strcmp(str, "ppc231") == 0) { + printf("(1024*768, %dbpp)\n", BPP); + out_be16(FPGA_BL, 0x0000); + } else { + printf("Unsupported bd_type defined (%s) -> No display configured!\n", str); + return 0; + } + } else { + printf("Unsupported bd_type defined (%s) -> No display configured!\n", str); + return 0; + } +#endif /* CONFIG_VIDEO_SM501 */ + } + + cf_enable(); + + return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + char str[64]; + int i = getenv_f("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming HH405"); + } else { + puts(str); + } + + if (getenv_f("bd_type", str, sizeof(str)) != -1) { + printf(" (%s", str); + } else { + puts(" (Missing bd_type!"); + } + + gd->board_type = board_revision(); + printf(", Rev %ld.x)\n", gd->board_type); + + return 0; +} + +#ifdef CONFIG_IDE_RESET +void ide_set_reset(int on) +{ + if (((gd->board_type >= 2) && + (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT)) || + (gd->board_type < 2)) { + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { /* assert RESET */ + cf_enable(); + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) & + ~FPGA_CTRL_CF_RESET); + } else { /* release RESET */ + out_be16(FPGA_CTRL, + in_be16(FPGA_CTRL) | + FPGA_CTRL_CF_RESET); + } + } +} +#endif /* CONFIG_IDE_RESET */ + + +#if defined(CONFIG_SYS_EEPROM_WREN) +/* Input: <dev_addr> I2C address of EEPROM device to enable. + * <state> -1: deliver current state + * 0: disable write + * 1: enable write + * Returns: -1: wrong device address + * 0: dis-/en- able done + * 0/1: current state if <state> was -1. + */ +int eeprom_write_enable (unsigned dev_addr, int state) +{ + if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) { + return -1; + } else { + switch (state) { + case 1: + /* Enable write access, clear bit GPIO_SINT2. */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP); + state = 0; + break; + case 0: + /* Disable write access, set bit GPIO_SINT2. */ + out_be32((void *)GPIO0_OR, + in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP); + state = 0; + break; + default: + /* Read current status back. */ + state = (0 == (in_be32((void *)GPIO0_OR) & + CONFIG_SYS_EEPROM_WP)); + break; + } + } + return state; +} + +int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int query = argc == 1; + int state = 0; + + if (query) { + /* Query write access state. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1); + if (state < 0) { + puts ("Query of write access state failed.\n"); + } else { + printf ("Write access for device 0x%0x is %sabled.\n", + CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis"); + state = 0; + } + } else { + if ('0' == argv[1][0]) { + /* Disable write access. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0); + } else { + /* Enable write access. */ + state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1); + } + if (state < 0) { + puts ("Setup of write access state failed.\n"); + } + } + + return state; +} + +U_BOOT_CMD(eepwren, 2, 0, do_eep_wren, + "Enable / disable / query EEPROM write access", + "" +); +#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */ + + +#ifdef CONFIG_VIDEO_SM501 +#ifdef CONFIG_CONSOLE_EXTRA_INFO +/* + * Return text to be printed besides the logo. + */ +void video_get_info_str (int line_number, char *info) +{ + char str[64]; + char str2[64]; + int i = getenv_f("serial#", str2, sizeof(str)); + + if (line_number == 1) { + sprintf(str, " Board: "); + + if (i == -1) { + strcat(str, "### No HW ID - assuming HH405"); + } else { + strcat(str, str2); + } + + if (getenv_f("bd_type", str2, sizeof(str2)) != -1) { + strcat(str, " ("); + strcat(str, str2); + } else { + strcat(str, " (Missing bd_type!"); + } + + sprintf(str2, ", Rev %ld.x)", gd->board_type); + strcat(str, str2); + strcpy(info, str); + } else { + info [0] = '\0'; + } +} +#endif /* CONFIG_CONSOLE_EXTRA_INFO */ + +/* + * Returns SM501 register base address. First thing called in the driver. + */ +unsigned int board_video_init (void) +{ + pci_dev_t devbusfn; + u32 addr; + + /* + * Is SM501 connected (ppc221/ppc231)? + */ + devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0); + if (devbusfn != -1) { + pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr); + return (addr & 0xfffffffe); + } + + return 0; +} + +/* + * Returns SM501 framebuffer address + */ +unsigned int board_video_get_fb (void) +{ + pci_dev_t devbusfn; + u32 addr; + + /* + * Is SM501 connected (ppc221/ppc231)? + */ + devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0); + if (devbusfn != -1) { + pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr); + addr &= 0xfffffffe; +#ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET + addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET; +#endif + return addr; + } + + return 0; +} + +/* + * 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) +{ + char *str; + + str = getenv("bd_type"); + if (strcmp(str, "ppc221") == 0) { + return init_regs_800x600; + } else { + return init_regs_1024x768; + } +} + +int board_get_width (void) +{ + char *str; + + str = getenv("bd_type"); + if (strcmp(str, "ppc221") == 0) { + return 800; + } else { + return 1024; + } +} + +int board_get_height (void) +{ + char *str; + + str = getenv("bd_type"); + if (strcmp(str, "ppc221") == 0) { + return 600; + } else { + return 768; + } +} + +#endif /* CONFIG_VIDEO_SM501 */ + + +void reset_phy(void) +{ +#ifdef CONFIG_LXT971_NO_SLEEP + + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); +#endif +} |