X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Flwmon5%2Flwmon5.c;h=85795b7c2a787d86e32eabd8bd008f51af612fa5;hb=1a5017601f6d17caedaa2bf069485d3e4155f1c0;hp=d916284753d3759822112c4f241982ce1c9825c5;hpb=bf6a9ca9b2aa219612c3678444b8123e28aa8940;p=oweals%2Fu-boot.git diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c index d916284753..85795b7c2a 100644 --- a/board/lwmon5/lwmon5.c +++ b/board/lwmon5/lwmon5.c @@ -19,6 +19,7 @@ */ #include +#include #include #include #include @@ -28,7 +29,8 @@ DECLARE_GLOBAL_DATA_PTR; extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ -ulong flash_get_size (ulong base, int banknum); +ulong flash_get_size(ulong base, int banknum); +int misc_init_r_kbd(void); int board_early_init_f(void) { @@ -45,16 +47,16 @@ int board_early_init_f(void) mtdcr(uic0sr, 0xffffffff); /* clear all. if write with 1 then the status is cleared */ mtdcr(uic0er, 0x00000000); /* disable all */ mtdcr(uic0cr, 0x00000000); /* we have not critical interrupts at the moment */ - mtdcr(uic0pr, 0xfffff7ff); /* Adjustment of the polarity */ - mtdcr(uic0tr, 0x00000810); /* per ref-board manual */ + mtdcr(uic0pr, 0xFFBFF1EF); /* Adjustment of the polarity */ + mtdcr(uic0tr, 0x00000900); /* per ref-board manual */ mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ mtdcr(uic0sr, 0xffffffff); /* clear all */ mtdcr(uic1sr, 0xffffffff); /* clear all */ mtdcr(uic1er, 0x00000000); /* disable all */ mtdcr(uic1cr, 0x00000000); /* all non-critical */ - mtdcr(uic1pr, 0xFFFFC7AD); /* Adjustment of the polarity */ - mtdcr(uic1tr, 0x0600384A); /* per ref-board manual */ + mtdcr(uic1pr, 0xFFFFC6A5); /* Adjustment of the polarity */ + mtdcr(uic1tr, 0x60000040); /* per ref-board manual */ mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ mtdcr(uic1sr, 0xffffffff); /* clear all */ @@ -62,9 +64,9 @@ int board_early_init_f(void) mtdcr(uic2er, 0x00000000); /* disable all */ mtdcr(uic2cr, 0x00000000); /* all non-critical */ mtdcr(uic2pr, 0x27C00000); /* Adjustment of the polarity */ - mtdcr(uic2tr, 0xDFC00000); /* per ref-board manual */ + mtdcr(uic2tr, 0x3C000000); /* per ref-board manual */ mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ - mtdcr(uic2sr, 0xffffffff); /* clear all. Why this??? */ + mtdcr(uic2sr, 0xffffffff); /* clear all */ /* Trace Pins are disabled. SDR0_PFC0 Register */ mtsdr(SDR0_PFC0, 0x0); @@ -94,6 +96,42 @@ int board_early_init_f(void) gpio_write_bit(CFG_GPIO_FLASH_WP, 1); +#if CONFIG_POST & CFG_POST_BSPEC1 + gpio_write_bit(CFG_GPIO_HIGHSIDE, 1); + + reg = 0; /* reuse as counter */ + out_be32((void *)CFG_DSPIC_TEST_ADDR, + in_be32((void *)CFG_DSPIC_TEST_ADDR) + & ~CFG_DSPIC_TEST_MASK); + while (!gpio_read_in_bit(CFG_GPIO_DSPIC_READY) && reg++ < 1000) { + udelay(1000); + } + gpio_write_bit(CFG_GPIO_HIGHSIDE, 0); + if (gpio_read_in_bit(CFG_GPIO_DSPIC_READY)) { + /* set "boot error" flag */ + out_be32((void *)CFG_DSPIC_TEST_ADDR, + in_be32((void *)CFG_DSPIC_TEST_ADDR) | + CFG_DSPIC_TEST_MASK); + } +#endif + + /* + * Reset PHY's: + * The PHY's need a 2nd reset pulse, since the MDIO address is latched + * upon reset, and with the first reset upon powerup, the addresses are + * not latched reliable, since the IRQ line is multiplexed with an + * MDIO address. A 2nd reset at this time will make sure, that the + * correct address is latched. + */ + gpio_write_bit(CFG_GPIO_PHY0_RST, 1); + gpio_write_bit(CFG_GPIO_PHY1_RST, 1); + udelay(1000); + gpio_write_bit(CFG_GPIO_PHY0_RST, 0); + gpio_write_bit(CFG_GPIO_PHY1_RST, 0); + udelay(1000); + gpio_write_bit(CFG_GPIO_PHY0_RST, 1); + gpio_write_bit(CFG_GPIO_PHY1_RST, 1); + return 0; } @@ -158,13 +196,13 @@ int misc_init_r(void) (void)flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff, - &flash_info[0]); + &flash_info[1]); /* Env protection ON by default */ (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, - &flash_info[0]); + &flash_info[1]); /* * USB suff... @@ -215,27 +253,9 @@ int misc_init_r(void) mtdcr(plb4_acr, reg); /* - * Reset Lime controller + * Init matrix keyboard */ - gpio_write_bit(CFG_GPIO_LIME_S, 1); - udelay(500); - gpio_write_bit(CFG_GPIO_LIME_RST, 1); - - /* Lime memory clock adjusted to 133MHz */ - out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_133MHZ); - /* Wait untill time expired. Because of requirements in lime manual */ - udelay(300); - /* Write lime controller memory parameters */ - out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE); - - /* - * Reset PHY's - */ - gpio_write_bit(CFG_GPIO_PHY0_RST, 0); - gpio_write_bit(CFG_GPIO_PHY1_RST, 0); - udelay(100); - gpio_write_bit(CFG_GPIO_PHY0_RST, 1); - gpio_write_bit(CFG_GPIO_PHY1_RST, 1); + misc_init_r_kbd(); return 0; } @@ -255,44 +275,6 @@ int checkboard(void) return (0); } -#if defined(CFG_DRAM_TEST) -int testdram(void) -{ - unsigned long *mem = (unsigned long *)0; - const unsigned long kend = (1024 / sizeof(unsigned long)); - unsigned long k, n; - - mtmsr(0); - - for (k = 0; k < CFG_MBYTES_SDRAM; - ++k, mem += (1024 / sizeof(unsigned long))) { - if ((k & 1023) == 0) { - printf("%3d MB\r", k / 1024); - } - - memset(mem, 0xaaaaaaaa, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0xaaaaaaaa) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } - - memset(mem, 0x55555555, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0x55555555) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } - } - printf("SDRAM test passes\n"); - return 0; -} -#endif - /************************************************************************* * pci_pre_init * @@ -456,6 +438,24 @@ int is_pci_host(struct pci_controller *hose) void hw_watchdog_reset(void) { int val; +#if defined(CONFIG_WD_MAX_RATE) + unsigned long long ct = get_ticks(); + + /* + * Don't allow watch-dog triggering more frequently than + * the predefined value CONFIG_WD_MAX_RATE [ticks]. + */ + if (ct >= gd->wdt_last) { + if ((ct - gd->wdt_last) < CONFIG_WD_MAX_RATE) + return; + } else { + /* Time base counter had been reset */ + if (((unsigned long long)(-1) - gd->wdt_last + ct) < + CONFIG_WD_MAX_RATE) + return; + } + gd->wdt_last = get_ticks(); +#endif /* * Toggle watchdog output @@ -463,3 +463,137 @@ void hw_watchdog_reset(void) val = gpio_read_out_bit(CFG_GPIO_WATCHDOG) == 0 ? 1 : 0; gpio_write_bit(CFG_GPIO_WATCHDOG, val); } + +int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + if (argc < 2) { + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + if ((strcmp(argv[1], "on") == 0)) { + gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 1); + } else if ((strcmp(argv[1], "off") == 0)) { + gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 0); + } else { + printf("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + + return 0; +} + +U_BOOT_CMD( + eepromwp, 2, 0, do_eeprom_wp, + "eepromwp- eeprom write protect off/on\n", + " - enable (on) or disable (off) I2C EEPROM write protect\n" +); + +#if defined(CONFIG_VIDEO) +#include +#include + +extern GraphicDevice mb862xx; + +static const gdc_regs init_regs [] = +{ + {0x0100, 0x00000f00}, + {0x0020, 0x801401df}, + {0x0024, 0x00000000}, + {0x0028, 0x00000000}, + {0x002c, 0x00000000}, + {0x0110, 0x00000000}, + {0x0114, 0x00000000}, + {0x0118, 0x01df0280}, + {0x0004, 0x031f0000}, + {0x0008, 0x027f027f}, + {0x000c, 0x015f028f}, + {0x0010, 0x020c0000}, + {0x0014, 0x01df01ea}, + {0x0018, 0x00000000}, + {0x001c, 0x01e00280}, + {0x0100, 0x80010f00}, + {0x0, 0x0} +}; + +const gdc_regs *board_get_regs (void) +{ + return init_regs; +} + +/* Returns Lime base address */ +unsigned int board_video_init (void) +{ + /* + * Reset Lime controller + */ + gpio_write_bit(CFG_GPIO_LIME_S, 1); + udelay(500); + gpio_write_bit(CFG_GPIO_LIME_RST, 1); + + /* Lime memory clock adjusted to 100MHz */ + out_be32((void *)CFG_LIME_SDRAM_CLOCK, CFG_LIME_CLOCK_100MHZ); + /* Wait untill time expired. Because of requirements in lime manual */ + udelay(300); + /* Write lime controller memory parameters */ + out_be32((void *)CFG_LIME_MMR, CFG_LIME_MMR_VALUE); + + mb862xx.winSizeX = 640; + mb862xx.winSizeY = 480; + mb862xx.gdfBytesPP = 2; + mb862xx.gdfIndex = GDF_15BIT_555RGB; + + return CFG_LIME_BASE_0; +} + +#define DEFAULT_BRIGHTNESS 0x64 + +static void board_backlight_brightness(int brightness) +{ + if (brightness > 0) { + /* pwm duty, lamp on */ + out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), brightness); + out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x701); + } else { + /* lamp off */ + out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000024), 0x00); + out_be32((void *)(CFG_FPGA_BASE_0 + 0x00000020), 0x00); + } +} + +void board_backlight_switch (int flag) +{ + char * param; + int rc; + + if (flag) { + param = getenv("brightness"); + rc = param ? simple_strtol(param, NULL, 10) : -1; + if (rc < 0) + rc = DEFAULT_BRIGHTNESS; + } else { + rc = 0; + } + board_backlight_brightness(rc); +} + +#if defined(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: Lwmon5 (Liebherr Elektronik GmbH)"); + } else { + info [0] = '\0'; + } +} +#endif +#endif /* CONFIG_VIDEO */ + +void board_reset(void) +{ + gpio_write_bit(CFG_GPIO_BOARD_RESET, 1); +}