X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=board%2Flwmon5%2Flwmon5.c;h=e9aa0b77de5f37d1fb8f2939507068036f9e2262;hb=HEAD;hp=415e036c006456e51a42321eb8a95ebdd4fbd12f;hpb=77b2517519904194a3eb247a3bb32cb09fac70d7;p=karo-tx-uboot.git diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c index 415e036c00..e9aa0b77de 100644 --- a/board/lwmon5/lwmon5.c +++ b/board/lwmon5/lwmon5.c @@ -1,33 +1,23 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2007-2013 * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include #include -#include +#include #include -#include +#include #include +#include +#include +#include DECLARE_GLOBAL_DATA_PTR; -extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ +static phys_addr_t lwmon5_cfi_flash_bank_addr[2] = CONFIG_SYS_FLASH_BANKS_LIST; ulong flash_get_size(ulong base, int banknum); int misc_init_r_kbd(void); @@ -38,8 +28,8 @@ int board_early_init_f(void) u32 reg; /* PLB Write pipelining disabled. Denali Core workaround */ - mtdcr(PLB0_ACR, 0xDE000000); - mtdcr(PLB1_ACR, 0xDE000000); + mtdcr(PLB4A0_ACR, 0xDE000000); + mtdcr(PLB4A1_ACR, 0xDE000000); /*-------------------------------------------------------------------- * Setup the interrupt controller polarities, triggers, etc. @@ -97,16 +87,18 @@ int board_early_init_f(void) gpio_write_bit(CONFIG_SYS_GPIO_FLASH_WP, 1); #if CONFIG_POST & CONFIG_SYS_POST_BSPEC1 - gpio_write_bit(CONFIG_SYS_GPIO_HIGHSIDE, 1); + /* enable the LSB transmitter */ + gpio_write_bit(CONFIG_SYS_GPIO_LSB_ENABLE, 1); + /* enable the CAN transmitter */ + gpio_write_bit(CONFIG_SYS_GPIO_CAN_ENABLE, 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) { + 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, @@ -135,17 +127,71 @@ int board_early_init_f(void) return 0; } -/*---------------------------------------------------------------------------+ - | misc_init_r. - +---------------------------------------------------------------------------*/ +/* + * Override weak default with board specific version + */ +phys_addr_t cfi_flash_bank_addr(int bank) +{ + return lwmon5_cfi_flash_bank_addr[bank]; +} + +/* + * Override the weak default mapping function with a board specific one + */ +u32 flash_get_bank_size(int cs, int idx) +{ + return flash_info[idx].size; +} + +int board_early_init_r(void) +{ + u32 val0, val1; + + /* + * lwmon5 is manufactured in 2 different board versions: + * The lwmon5a board has 64MiB NOR flash instead of the + * 128MiB of the original lwmon5. Unfortunately the CFI driver + * will report 2 banks of 64MiB even for the smaller flash + * chip, since the bank is mirrored. To fix this, we bring + * one bank into CFI query mode and read its response. This + * enables us to detect the real number of flash devices/ + * banks which will be used later on by the common CFI driver. + */ + + /* Put bank 0 into CFI command mode and read */ + out_be32((void *)CONFIG_SYS_FLASH0, 0x00980098); + val0 = in_be32((void *)CONFIG_SYS_FLASH0 + FLASH_OFFSET_CFI_RESP); + val1 = in_be32((void *)CONFIG_SYS_FLASH1 + FLASH_OFFSET_CFI_RESP); + + /* Reset flash again out of query mode */ + out_be32((void *)CONFIG_SYS_FLASH0, 0x00f000f0); + + /* When not identical, we have 2 different flash devices/banks */ + if (val0 != val1) + return 0; + + /* + * Now we're sure that we're running on a LWMON5a board with + * only 64MiB NOR flash in one bank: + * + * Set flash base address and bank count for CFI driver probing. + */ + cfi_flash_num_flash_banks = 1; + lwmon5_cfi_flash_bank_addr[0] = CONFIG_SYS_FLASH0; + + return 0; +} + int misc_init_r(void) { u32 pbcr; int size_val = 0; u32 reg; +#ifndef CONFIG_LCD4_LWMON5 unsigned long usb2d0cr = 0; unsigned long usb2phy0cr, usb2h0cr = 0; - unsigned long sdr0_pfc1; + unsigned long sdr0_pfc1, sdr0_srst; +#endif /* * FLASH stuff... @@ -158,32 +204,7 @@ int misc_init_r(void) 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; - } + size_val = ffs(gd->bd->bi_flashsize) - 21; pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); mtebc(PB0CR, pbcr); @@ -193,82 +214,128 @@ int misc_init_r(void) 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]); + flash_protect(FLAG_PROTECT_SET, -CONFIG_SYS_MONITOR_LEN, 0xffffffff, + &flash_info[cfi_flash_num_flash_banks - 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]); + flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + 2 * CONFIG_ENV_SECT_SIZE - 1, + &flash_info[cfi_flash_num_flash_banks - 1]); +#ifndef CONFIG_LCD4_LWMON5 /* * USB suff... */ + + /* Reset USB */ + /* Reset of USB2PHY0 must be active at least 10 us */ + mtsdr(SDR0_SRST0, SDR0_SRST0_USB2H | SDR0_SRST0_USB2D); + udelay(2000); + + mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY | SDR0_SRST1_USB2HUTMI | + SDR0_SRST1_USB2HPHY | SDR0_SRST1_OPBA2 | + SDR0_SRST1_PLB42OPB1 | SDR0_SRST1_OPB2PLB40); + udelay(2000); + + /* Errata CHIP_6 */ + + /* 1. Set internal PHY configuration */ /* 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*/ + 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_PUREN; /*1*/ + 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); + /* 2. De-assert internal PHY reset */ + mfsdr(SDR0_SRST1, sdr0_srst); + sdr0_srst = sdr0_srst & ~SDR0_SRST1_USB20PHY; + mtsdr(SDR0_SRST1, sdr0_srst); + + /* 3. Wait for more than 1 ms */ + udelay(2000); + + /* 4. De-assert USB 2.0 Host main reset */ + mfsdr(SDR0_SRST0, sdr0_srst); + sdr0_srst = sdr0_srst &~ SDR0_SRST0_USB2H; + mtsdr(SDR0_SRST0, sdr0_srst); + udelay(1000); + + /* 5. De-assert reset of OPB2 cores */ + mfsdr(SDR0_SRST1, sdr0_srst); + sdr0_srst = sdr0_srst &~ SDR0_SRST1_PLB42OPB1; + sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPB2PLB40; + sdr0_srst = sdr0_srst &~ SDR0_SRST1_OPBA2; + mtsdr(SDR0_SRST1, sdr0_srst); + udelay(1000); + + /* 6. Set EHCI Configure FLAG */ + + /* 7. Reassert internal PHY reset: */ + mtsdr(SDR0_SRST1, SDR0_SRST1_USB20PHY); + udelay(1000); +#endif + /* * Clear resets */ - udelay (1000); mtsdr(SDR0_SRST1, 0x00000000); - udelay (1000); mtsdr(SDR0_SRST0, 0x00000000); +#ifndef CONFIG_LCD4_LWMON5 printf("USB: Host(int phy) Device(ext phy)\n"); +#endif /* * 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); + reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK; + mtdcr(PLB4A0_ACR, reg); +#ifndef CONFIG_LCD4_LWMON5 /* * Init matrix keyboard */ misc_init_r_kbd(); +#endif return 0; } int checkboard(void) { - char *s = getenv("serial#"); + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); - printf("Board: lwmon5"); + printf("Board: %s", __stringify(CONFIG_HOSTNAME)); - if (s != NULL) { + if (i > 0) { puts(", serial# "); - puts(s); + puts(buf); } putc('\n'); @@ -285,16 +352,16 @@ void hw_watchdog_reset(void) * 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) + if (ct >= gd->arch.wdt_last) { + if ((ct - gd->arch.wdt_last) < CONFIG_WD_MAX_RATE) return; } else { /* Time base counter had been reset */ - if (((unsigned long long)(-1) - gd->wdt_last + ct) < + if (((unsigned long long)(-1) - gd->arch.wdt_last + ct) < CONFIG_WD_MAX_RATE) return; } - gd->wdt_last = get_ticks(); + gd->arch.wdt_last = get_ticks(); #endif /* @@ -304,22 +371,17 @@ void hw_watchdog_reset(void) gpio_write_bit(CONFIG_SYS_GPIO_WATCHDOG, val); } -int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - if (argc < 2) { - cmd_usage(cmdtp); - return 1; - } + if (argc < 2) + return cmd_usage(cmdtp); - if ((strcmp(argv[1], "on") == 0)) { + if ((strcmp(argv[1], "on") == 0)) gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 1); - } else if ((strcmp(argv[1], "off") == 0)) { + else if ((strcmp(argv[1], "off") == 0)) gpio_write_bit(CONFIG_SYS_GPIO_EEPROM_EXT_WP, 0); - } else { - cmd_usage(cmdtp); - return 1; - } - + else + return cmd_usage(cmdtp); return 0; } @@ -336,34 +398,33 @@ U_BOOT_CMD( 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} +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) +const gdc_regs *board_get_regs(void) { return init_regs; } /* Returns Lime base address */ -unsigned int board_video_init (void) +unsigned int board_video_init(void) { /* * Reset Lime controller @@ -380,7 +441,7 @@ unsigned int board_video_init (void) return CONFIG_SYS_LIME_BASE_0; } -#define DEFAULT_BRIGHTNESS 0x64 +#define DEFAULT_BRIGHTNESS 0x64 static void board_backlight_brightness(int brightness) { @@ -395,7 +456,7 @@ static void board_backlight_brightness(int brightness) } } -void board_backlight_switch (int flag) +void board_backlight_switch(int flag) { char * param; int rc; @@ -415,18 +476,83 @@ void board_backlight_switch (int flag) /* * Return text to be printed besides the logo. */ -void video_get_info_str (int line_number, char *info) +void video_get_info_str(int line_number, char *info) { - if (line_number == 1) { - strcpy (info, " Board: Lwmon5 (Liebherr Elektronik GmbH)"); - } else { + if (line_number == 1) + strcpy(info, " Board: Lwmon5 (Liebherr Elektronik GmbH)"); + else info [0] = '\0'; - } } -#endif +#endif /* CONFIG_CONSOLE_EXTRA_INFO */ #endif /* CONFIG_VIDEO */ void board_reset(void) { gpio_write_bit(CONFIG_SYS_GPIO_BOARD_RESET, 1); } + +#ifdef CONFIG_SPL_OS_BOOT +/* + * lwmon5 specific implementation of spl_start_uboot() + * + * RETURN + * 0 if booting into OS is selected (default) + * 1 if booting into U-Boot is selected + */ +int spl_start_uboot(void) +{ + char s[8]; + + env_init(); + getenv_f("boot_os", s, sizeof(s)); + if ((s != NULL) && (strcmp(s, "yes") == 0)) + return 0; + + return 1; +} + +/* + * This function is called from the SPL U-Boot version for + * early init stuff, that needs to be done for OS (e.g. Linux) + * booting. Doing it later in the real U-Boot would not work + * in case that the SPL U-Boot boots Linux directly. + */ +void spl_board_init(void) +{ + const gdc_regs *regs = board_get_regs(); + + /* + * Setup PFC registers, mainly for ethernet support + * later on in Linux + */ + board_early_init_f(); + + /* enable the LSB transmitter */ + gpio_write_bit(CONFIG_SYS_GPIO_LSB_ENABLE, 1); + + /* + * Clear resets + */ + mtsdr(SDR0_SRST1, 0x00000000); + mtsdr(SDR0_SRST0, 0x00000000); + + /* + * Reset Lime controller + */ + gpio_write_bit(CONFIG_SYS_GPIO_LIME_S, 1); + udelay(500); + gpio_write_bit(CONFIG_SYS_GPIO_LIME_RST, 1); + + out_be32((void *)CONFIG_SYS_LIME_SDRAM_CLOCK, CONFIG_SYS_MB862xx_CCF); + udelay(300); + out_be32((void *)CONFIG_SYS_LIME_MMR, CONFIG_SYS_MB862xx_MMR); + + while (regs->index) { + out_be32((void *)(CONFIG_SYS_LIME_BASE_0 + GC_DISP_BASE) + + regs->index, regs->value); + regs++; + } + + board_backlight_brightness(DEFAULT_BRIGHTNESS); +} +#endif