| /* |
| * (C) Copyright 2007 |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| * |
| * 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 |
| * 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 <command.h> |
| #include <ppc440.h> |
| #include <asm/processor.h> |
| #include <asm/gpio.h> |
| #include <asm/io.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
| |
| ulong flash_get_size(ulong base, int banknum); |
| int misc_init_r_kbd(void); |
| |
| int board_early_init_f(void) |
| { |
| u32 sdr0_pfc1, sdr0_pfc2; |
| u32 reg; |
| |
| /* PLB Write pipelining disabled. Denali Core workaround */ |
| mtdcr(PLB0_ACR, 0xDE000000); |
| mtdcr(PLB1_ACR, 0xDE000000); |
| |
| /*-------------------------------------------------------------------- |
| * Setup the interrupt controller polarities, triggers, etc. |
| *-------------------------------------------------------------------*/ |
| 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, 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, 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 */ |
| |
| mtdcr(UIC2SR, 0xffffffff); /* clear all */ |
| mtdcr(UIC2ER, 0x00000000); /* disable all */ |
| mtdcr(UIC2CR, 0x00000000); /* all non-critical */ |
| mtdcr(UIC2PR, 0x27C00000); /* Adjustment of the polarity */ |
| mtdcr(UIC2TR, 0x3C000000); /* per ref-board manual */ |
| mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 is within DDRAM */ |
| mtdcr(UIC2SR, 0xffffffff); /* clear all */ |
| |
| /* Trace Pins are disabled. SDR0_PFC0 Register */ |
| mtsdr(SDR0_PFC0, 0x0); |
| |
| /* select Ethernet pins */ |
| mfsdr(SDR0_PFC1, sdr0_pfc1); |
| /* SMII via ZMII */ |
| sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | |
| SDR0_PFC1_SELECT_CONFIG_6; |
| mfsdr(SDR0_PFC2, sdr0_pfc2); |
| sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | |
| SDR0_PFC2_SELECT_CONFIG_6; |
| |
| /* enable SPI (SCP) */ |
| sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL; |
| |
| mtsdr(SDR0_PFC2, sdr0_pfc2); |
| mtsdr(SDR0_PFC1, sdr0_pfc1); |
| |
| mtsdr(SDR0_PFC4, 0x80000000); |
| |
| /* PCI arbiter disabled */ |
| /* PCI Host Configuration disbaled */ |
| mfsdr(SDR0_PCI0, reg); |
| reg = 0; |
| mtsdr(SDR0_PCI0, 0x00000000 | reg); |
| |
| gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1); |
| |
| #if CONFIG_POST & CONFIG_SYS_POST_BSPEC1 |
| gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 1); |
| |
| reg = 0; /* reuse as counter */ |
| out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, |
| in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) |
| & ~CONFIG_SYS_DSPIC_TEST_MASK); |
| while (!gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY) && reg++ < 1000) { |
| udelay(1000); |
| } |
| gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 0); |
| if (gpio_read_in_bit(CONFIG_SYS_GPIO_DSPIC_READY)) { |
| /* set "boot error" flag */ |
| out_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR, |
| in_be32((void *)CONFIG_SYS_DSPIC_TEST_ADDR) | |
| CONFIG_SYS_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(CONFIG_SYS_GPIO_PHY0_RST, 1); |
| gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); |
| udelay(1000); |
| gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 0); |
| gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 0); |
| udelay(1000); |
| gpio_write_bit(CONFIG_SYS_GPIO_PHY0_RST, 1); |
| gpio_write_bit(CONFIG_SYS_GPIO_PHY1_RST, 1); |
| |
| return 0; |
| } |
| |
| /*---------------------------------------------------------------------------+ |
| | misc_init_r. |
| +---------------------------------------------------------------------------*/ |
| int misc_init_r(void) |
| { |
| u32 pbcr; |
| int size_val = 0; |
| u32 reg; |
| unsigned long usb2d0cr = 0; |
| unsigned long usb2phy0cr, usb2h0cr = 0; |
| unsigned long sdr0_pfc1; |
| |
| /* |
| * FLASH stuff... |
| */ |
| |
| /* Re-do sizing to get full correct info */ |
| |
| /* adjust flash start and offset */ |
| gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; |
| gd->bd->bi_flashoffset = 0; |
| |
| mfebc(PB0CR, pbcr); |
| switch (gd->bd->bi_flashsize) { |
| case 1 << 20: |
| size_val = 0; |
| break; |
| case 2 << 20: |
| size_val = 1; |
| break; |
| case 4 << 20: |
| size_val = 2; |
| break; |
| case 8 << 20: |
| size_val = 3; |
| break; |
| case 16 << 20: |
| size_val = 4; |
| break; |
| case 32 << 20: |
| size_val = 5; |
| break; |
| case 64 << 20: |
| size_val = 6; |
| break; |
| case 128 << 20: |
| size_val = 7; |
| break; |
| } |
| pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); |
| mtebc(PB0CR, pbcr); |
| |
| /* |
| * Re-check to get correct base address |
| */ |
| flash_get_size(gd->bd->bi_flashstart, 0); |
| |
| /* Monitor protection ON by default */ |
| (void)flash_protect(FLAG_PROTECT_SET, |
| -CONFIG_SYS_MONITOR_LEN, |
| 0xffffffff, |
| &flash_info[1]); |
| |
| /* Env protection ON by default */ |
| (void)flash_protect(FLAG_PROTECT_SET, |
| CONFIG_ENV_ADDR_REDUND, |
| CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1, |
| &flash_info[1]); |
| |
| /* |
| * USB suff... |
| */ |
| /* SDR Setting */ |
| mfsdr(SDR0_PFC1, sdr0_pfc1); |
| mfsdr(SDR0_USB0, usb2d0cr); |
| mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); |
| mfsdr(SDR0_USB2H0CR, usb2h0cr); |
| |
| usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; |
| usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ |
| usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; |
| usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/ |
| usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; |
| usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/ |
| usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; |
| usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/ |
| usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; |
| usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/ |
| |
| /* An 8-bit/60MHz interface is the only possible alternative |
| when connecting the Device to the PHY */ |
| usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; |
| usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/ |
| |
| mtsdr(SDR0_PFC1, sdr0_pfc1); |
| mtsdr(SDR0_USB0, usb2d0cr); |
| mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); |
| mtsdr(SDR0_USB2H0CR, usb2h0cr); |
| |
| /* |
| * Clear resets |
| */ |
| udelay (1000); |
| mtsdr(SDR0_SRST1, 0x00000000); |
| udelay (1000); |
| mtsdr(SDR0_SRST0, 0x00000000); |
| |
| printf("USB: Host(int phy) Device(ext phy)\n"); |
| |
| /* |
| * Clear PLB4A0_ACR[WRP] |
| * This fix will make the MAL burst disabling patch for the Linux |
| * EMAC driver obsolete. |
| */ |
| reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP; |
| mtdcr(PLB4_ACR, reg); |
| |
| /* |
| * Init matrix keyboard |
| */ |
| misc_init_r_kbd(); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| char *s = getenv("serial#"); |
| |
| printf("Board: lwmon5"); |
| |
| if (s != NULL) { |
| puts(", serial# "); |
| puts(s); |
| } |
| putc('\n'); |
| |
| return (0); |
| } |
| |
| 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 |
| */ |
| val = gpio_read_out_bit(CONFIG_SYS_GPIO_WATCHDOG) == 0 ? 1 : 0; |
| gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val); |
| } |
| |
| int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| if (argc < 2) { |
| cmd_usage(cmdtp); |
| return 1; |
| } |
| |
| if ((strcmp(argv[1], "on") == 0)) { |
| gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1); |
| } else if ((strcmp(argv[1], "off") == 0)) { |
| gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0); |
| } else { |
| cmd_usage(cmdtp); |
| return 1; |
| } |
| |
| |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| eepromwp, 2, 0, do_eeprom_wp, |
| "eeprom write protect off/on", |
| "<on|off> - enable (on) or disable (off) I2C EEPROM write protect" |
| ); |
| |
| #if defined(CONFIG_VIDEO) |
| #include <video_fb.h> |
| #include <mb862xx.h> |
| |
| 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(CONFIG_SYS_GPIO_LIME_S, 1); |
| udelay(500); |
| gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1); |
| |
| mb862xx.winSizeX = 640; |
| mb862xx.winSizeY = 480; |
| mb862xx.gdfBytesPP = 2; |
| mb862xx.gdfIndex = GDF_15BIT_555RGB; |
| |
| return CONFIG_SYS_LIME_BASE_0; |
| } |
| |
| #define DEFAULT_BRIGHTNESS 0x64 |
| |
| static void board_backlight_brightness(int brightness) |
| { |
| if (brightness > 0) { |
| /* pwm duty, lamp on */ |
| out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), brightness); |
| out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000020), 0x701); |
| } else { |
| /* lamp off */ |
| out_be32((void *)(CONFIG_SYS_FPGA_BASE_0 + 0x00000024), 0x00); |
| out_be32((void *)(CONFIG_SYS_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(CONFIG_SYS_GPIO_BOARD_RESET, 1); |
| } |