diff options
Diffstat (limited to 'qemu/roms/u-boot/board/esd/apc405/apc405.c')
-rw-r--r-- | qemu/roms/u-boot/board/esd/apc405/apc405.c | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/esd/apc405/apc405.c b/qemu/roms/u-boot/board/esd/apc405/apc405.c new file mode 100644 index 000000000..5cc1d0d9d --- /dev/null +++ b/qemu/roms/u-boot/board/esd/apc405/apc405.c @@ -0,0 +1,461 @@ +/* + * (C) Copyright 2005-2008 + * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com + * + * (C) Copyright 2001-2003 + * Stefan Roese, esd gmbh germany, stefan.roese@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 <flash.h> +#include <mtd/cfi_flash.h> +#include <asm/4xx_pci.h> +#include <pci.h> +#include <usb.h> + +DECLARE_GLOBAL_DATA_PTR; + +#undef FPGA_DEBUG + +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" + +#ifdef CONFIG_LCD_USED +/* logo bitmap data - gzip compressed and generated by bin2c */ +unsigned char logo_bmp[] = +{ +#include "logo_640_480_24bpp.c" +}; + +/* + * include common lcd code (for esd boards) + */ +#include "../common/lcd.c" +#include "../common/s1d13505_640_480_16bpp.h" +#include "../common/s1d13806_640_480_16bpp.h" +#endif /* CONFIG_LCD_USED */ + +/* + * include common auto-update code (for esd boards) + */ +#include "../common/auto_update.h" + +au_image_t au_image[] = { + {"preinst.img", 0, -1, AU_SCRIPT}, + {"u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE | AU_PROTECT}, + {"pImage", 0xfe000000, 0x00100000, AU_NOR | AU_PROTECT}, + {"pImage.initrd", 0xfe100000, 0x00400000, AU_NOR | AU_PROTECT}, + {"work.img", 0xfe500000, 0x01400000, AU_NOR}, + {"data.img", 0xff900000, 0x00580000, AU_NOR}, + {"logo.img", 0xffe80000, 0x00100000, AU_NOR | AU_PROTECT}, + {"postinst.img", 0, 0, AU_SCRIPT}, +}; + +int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0])); + +int board_revision(void) +{ + unsigned long CPC0_CR0Reg; + unsigned long value; + + /* + * Get version of APC405 board from GPIO's + */ + + /* Setup GPIO pins (CS2/GPIO11, CS3/GPIO12 and CS4/GPIO13 as GPIO) */ + CPC0_CR0Reg = mfdcr(CPC0_CR0); + mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03800000); + out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x001c0000); + out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x001c0000); + + /* wait some time before reading input */ + udelay(1000); + + /* get config bits */ + value = in_be32((void*)GPIO0_IR) & 0x001c0000; + /* + * Restore GPIO settings + */ + mtdcr(CPC0_CR0, CPC0_CR0Reg); + + switch (value) { + case 0x001c0000: + /* CS2==1 && CS3==1 && CS4==1 -> version <= 1.2 */ + return 2; + case 0x000c0000: + /* CS2==0 && CS3==1 && CS4==1 -> version 1.3 */ + return 3; + case 0x00180000: + /* CS2==1 && CS3==1 && CS4==0 -> version 1.6 */ + return 6; + case 0x00140000: + /* CS2==1 && CS3==0 && CS4==1 -> version 1.8 */ + return 8; + default: + /* should not be reached! */ + return 0; + } +} + +int board_early_init_f (void) +{ + /* + * First pull fpga-prg pin low, to disable fpga logic + */ + out_be32((void*)GPIO0_ODR, 0x00000000); /* no open drain pins */ + out_be32((void*)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */ + out_be32((void*)GPIO0_OR, 0); /* pull prg low */ + + /* + * 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, 0xFFFFFF81); /* set int polarities */ + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0 */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks + */ + mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */ + + /* + * New boards have a single 32MB flash connected to CS0 + * instead of two 16MB flashes on CS0+1. + */ + if (board_revision() >= 8) { + /* disable CS1 */ + mtebc(PB1AP, 0); + mtebc(PB1CR, 0); + + /* resize CS0 to 32MB */ + mtebc(PB0AP, CONFIG_SYS_EBC_PB0AP_HWREV8); + mtebc(PB0CR, CONFIG_SYS_EBC_PB0CR_HWREV8); + } + + return 0; +} + +int board_early_init_r(void) +{ + if (gd->board_type >= 8) + cfi_flash_num_flash_banks = 1; + + return 0; +} + +#define FUJI_BASE 0xf0100200 +#define LCDBL_PWM 0xa0 +#define LCDBL_PWMMIN 0xa4 +#define LCDBL_PWMMAX 0xa8 + +int misc_init_r(void) +{ + u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL); + u16 *fpga_ctrl2 =(u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL2); + u8 *duart0_mcr = (u8 *)(DUART0_BA + 4); + u8 *duart1_mcr = (u8 *)(DUART1_BA + 4); + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + unsigned long CPC0_CR0Reg; + char *str; + uchar *logo_addr; + ulong logo_size; + ushort minb, maxb; + int result; + + /* + * Setup GPIO pins (CS6+CS7 as GPIO) + */ + CPC0_CR0Reg = mfdcr(CPC0_CR0); + mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000); + + 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); + } + + /* restore gpio/cs settings */ + mtdcr(CPC0_CR0, CPC0_CR0Reg); + + 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_DATA pin + */ + SET_FPGA(FPGA_PRG | FPGA_CLK); + udelay(1000); /* wait 1ms */ + SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); + udelay(1000); /* wait 1ms */ + + /* + * Write board revision in FPGA + */ + out_be16(fpga_ctrl2, + (in_be16(fpga_ctrl2) & 0xfff0) | (gd->board_type & 0x000f)); + + /* + * Enable power on PS/2 interface (with reset) + */ + out_be16(fpga_mode, in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_PS2_RESET); + for (i=0;i<100;i++) + udelay(1000); + udelay(1000); + out_be16(fpga_mode, in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_PS2_RESET); + + /* + * Enable interrupts in exar duart mcr[3] + */ + out_8(duart0_mcr, 0x08); + out_8(duart1_mcr, 0x08); + + /* + * Init lcd interface and display logo + */ + str = getenv("splashimage"); + if (str) { + logo_addr = (uchar *)simple_strtoul(str, NULL, 16); + logo_size = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE; + } else { + logo_addr = logo_bmp; + logo_size = sizeof(logo_bmp); + } + + if (gd->board_type >= 6) { + result = lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, + (uchar *)CONFIG_SYS_LCD_BIG_MEM, + regs_13505_640_480_16bpp, + sizeof(regs_13505_640_480_16bpp) / + sizeof(regs_13505_640_480_16bpp[0]), + logo_addr, logo_size); + if (result && str) { + /* retry with internal image */ + logo_addr = logo_bmp; + logo_size = sizeof(logo_bmp); + lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, + (uchar *)CONFIG_SYS_LCD_BIG_MEM, + regs_13505_640_480_16bpp, + sizeof(regs_13505_640_480_16bpp) / + sizeof(regs_13505_640_480_16bpp[0]), + logo_addr, logo_size); + } + } else { + result = 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_addr, logo_size); + if (result && str) { + /* retry with internal image */ + logo_addr = logo_bmp; + logo_size = sizeof(logo_bmp); + 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_addr, logo_size); + } + } + + /* + * Reset microcontroller and setup backlight PWM controller + */ + out_be16(fpga_mode, in_be16(fpga_mode) | 0x0014); + for (i=0;i<10;i++) + udelay(1000); + out_be16(fpga_mode, in_be16(fpga_mode) | 0x001c); + + minb = 0; + maxb = 0xff; + str = getenv("lcdbl"); + if (str) { + minb = (ushort)simple_strtoul(str, &str, 16) & 0x00ff; + if (str && (*str=',')) { + str++; + maxb = (ushort)simple_strtoul(str, NULL, 16) & 0x00ff; + } else + minb = 0; + + out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMIN), minb); + out_be16((u16 *)(FUJI_BASE + LCDBL_PWMMAX), maxb); + + printf("LCDBL: min=0x%02x, max=0x%02x\n", minb, maxb); + } + out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff); + + /* + * fix environment for field updated units + */ + if (getenv("altbootcmd") == NULL) { + setenv("usb_load", CONFIG_SYS_USB_LOAD_COMMAND); + setenv("usbargs", CONFIG_SYS_USB_ARGS); + setenv("bootcmd", CONFIG_BOOTCOMMAND); + setenv("usb_self", CONFIG_SYS_USB_SELF_COMMAND); + setenv("bootlimit", CONFIG_SYS_BOOTLIMIT); + setenv("altbootcmd", CONFIG_SYS_ALT_BOOTCOMMAND); + saveenv(); + } + + 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 APC405"); + } else { + puts(str); + } + + gd->board_type = board_revision(); + printf(", Rev. 1.%ld\n", gd->board_type); + + return 0; +} + +#ifdef CONFIG_IDE_RESET +void ide_set_reset(int on) +{ + u16 *fpga_mode = (u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL); + + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { + out_be16(fpga_mode, + in_be16(fpga_mode) & ~CONFIG_SYS_FPGA_CTRL_CF_RESET); + } else { + out_be16(fpga_mode, + in_be16(fpga_mode) | CONFIG_SYS_FPGA_CTRL_CF_RESET); + } +} +#endif /* CONFIG_IDE_RESET */ + +void reset_phy(void) +{ + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); +} + +#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) +int board_usb_init(int index, enum usb_init_type init) +{ + return 0; +} + +int usb_board_stop(void) +{ + unsigned short tmp; + int i; + + /* + * reset PCI bus + * This is required to make some very old Linux OHCI driver + * work after U-Boot has used the OHCI controller. + */ + pci_read_config_word(PCIDEVID_405GP, PCIBRDGOPT2, &tmp); + pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, (tmp | 0x1000)); + + for (i = 0; i < 100; i++) + udelay(1000); + + pci_write_config_word(PCIDEVID_405GP, PCIBRDGOPT2, tmp); + return 0; +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return usb_board_stop(); +} +#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */ |