/* * (C) Copyright 2004-2011 * Texas Instruments, * * Author : * Sunil Kumar * Shashi Ranjan * * Derived from Beagle Board and 3430 SDP code by * Richard Woodruff * Syed Mohammed Khasim * * * SPDX-License-Identifier: GPL-2.0+ */ #include #ifdef CONFIG_STATUS_LED #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "beagle.h" #include #ifdef CONFIG_USB_EHCI #include #include #endif #define TWL4030_I2C_BUS 0 #define EXPANSION_EEPROM_I2C_BUS 1 #define EXPANSION_EEPROM_I2C_ADDRESS 0x50 #define TINCANTOOLS_ZIPPY 0x01000100 #define TINCANTOOLS_ZIPPY2 0x02000100 #define TINCANTOOLS_TRAINER 0x04000100 #define TINCANTOOLS_SHOWDOG 0x03000100 #define KBADC_BEAGLEFPGA 0x01000600 #define LW_BEAGLETOUCH 0x01000700 #define BRAINMUX_LCDOG 0x01000800 #define BRAINMUX_LCDOGTOUCH 0x02000800 #define BBTOYS_WIFI 0x01000B00 #define BBTOYS_VGA 0x02000B00 #define BBTOYS_LCD 0x03000B00 #define BCT_BRETTL3 0x01000F00 #define BCT_BRETTL4 0x02000F00 #define LSR_COM6L_ADPT 0x01001300 #define BEAGLE_NO_EEPROM 0xffffffff DECLARE_GLOBAL_DATA_PTR; static struct { unsigned int device_vendor; unsigned char revision; unsigned char content; char fab_revision[8]; char env_var[16]; char env_setting[64]; } expansion_config; /* * Routine: board_init * Description: Early hardware init. */ int board_init(void) { gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ /* board id for Linux */ gd->bd->bi_arch_number = MACH_TYPE_OMAP3_BEAGLE; /* boot param addr */ gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) status_led_set (STATUS_LED_BOOT, STATUS_LED_ON); #endif return 0; } /* * Routine: get_board_revision * Description: Detect if we are running on a Beagle revision Ax/Bx, * C1/2/3, C4, xM Ax/Bx or xM Cx. This can be done by reading * the level of GPIO173, GPIO172 and GPIO171. This should * result in * GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx * GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3 * GPIO173, GPIO172, GPIO171: 1 0 1 => C4 * GPIO173, GPIO172, GPIO171: 0 1 0 => xM Cx * GPIO173, GPIO172, GPIO171: 0 0 0 => xM Ax/Bx */ static int get_board_revision(void) { int revision; if (!gpio_request(171, "") && !gpio_request(172, "") && !gpio_request(173, "")) { gpio_direction_input(171); gpio_direction_input(172); gpio_direction_input(173); revision = gpio_get_value(173) << 2 | gpio_get_value(172) << 1 | gpio_get_value(171); } else { printf("Error: unable to acquire board revision GPIOs\n"); revision = -1; } return revision; } #ifdef CONFIG_SPL_BUILD /* * Routine: get_board_mem_timings * Description: If we use SPL then there is no x-loader nor config header * so we have to setup the DDR timings ourself on both banks. */ void get_board_mem_timings(struct board_sdrc_timings *timings) { int pop_mfr, pop_id; /* * We need to identify what PoP memory is on the board so that * we know what timings to use. If we can't identify it then * we know it's an xM. To map the ID values please see nand_ids.c */ identify_nand_chip(&pop_mfr, &pop_id); timings->mr = MICRON_V_MR_165; switch (get_board_revision()) { case REVISION_C4: if (pop_mfr == NAND_MFR_STMICRO && pop_id == 0xba) { /* 512MB DDR */ timings->mcfg = NUMONYX_V_MCFG_165(512 << 20); timings->ctrla = NUMONYX_V_ACTIMA_165; timings->ctrlb = NUMONYX_V_ACTIMB_165; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; break; } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xba) { /* Beagleboard Rev C4, 512MB Nand/256MB DDR*/ timings->mcfg = MICRON_V_MCFG_165(128 << 20); timings->ctrla = MICRON_V_ACTIMA_165; timings->ctrlb = MICRON_V_ACTIMB_165; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; break; } else if (pop_mfr == NAND_MFR_MICRON && pop_id == 0xbc) { /* Beagleboard Rev C5, 256MB DDR */ timings->mcfg = MICRON_V_MCFG_200(256 << 20); timings->ctrla = MICRON_V_ACTIMA_200; timings->ctrlb = MICRON_V_ACTIMB_200; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; break; } case REVISION_XM_A: case REVISION_XM_B: case REVISION_XM_C: if (pop_mfr == 0) { /* 256MB DDR */ timings->mcfg = MICRON_V_MCFG_200(256 << 20); timings->ctrla = MICRON_V_ACTIMA_200; timings->ctrlb = MICRON_V_ACTIMB_200; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz; } else { /* 512MB DDR */ timings->mcfg = NUMONYX_V_MCFG_165(512 << 20); timings->ctrla = NUMONYX_V_ACTIMA_165; timings->ctrlb = NUMONYX_V_ACTIMB_165; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; } break; default: /* Assume 128MB and Micron/165MHz timings to be safe */ timings->mcfg = MICRON_V_MCFG_165(128 << 20); timings->ctrla = MICRON_V_ACTIMA_165; timings->ctrlb = MICRON_V_ACTIMB_165; timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; } } #endif /* * Routine: get_expansion_id * Description: This function checks for expansion board by checking I2C * bus 1 for the availability of an AT24C01B serial EEPROM. * returns the device_vendor field from the EEPROM */ static unsigned int get_expansion_id(void) { i2c_set_bus_num(EXPANSION_EEPROM_I2C_BUS); /* return BEAGLE_NO_EEPROM if eeprom doesn't respond */ if (i2c_probe(EXPANSION_EEPROM_I2C_ADDRESS) == 1) { i2c_set_bus_num(TWL4030_I2C_BUS); return BEAGLE_NO_EEPROM; } /* read configuration data */ i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 1, (u8 *)&expansion_config, sizeof(expansion_config)); /* retry reading configuration data with 16bit addressing */ if ((expansion_config.device_vendor == 0xFFFFFF00) || (expansion_config.device_vendor == 0xFFFFFFFF)) { printf("EEPROM is blank or 8bit addressing failed: retrying with 16bit:\n"); i2c_read(EXPANSION_EEPROM_I2C_ADDRESS, 0, 2, (u8 *)&expansion_config, sizeof(expansion_config)); } i2c_set_bus_num(TWL4030_I2C_BUS); return expansion_config.device_vendor; } #ifdef CONFIG_VIDEO_OMAP3 /* * Configure DSS to display background color on DVID * Configure VENC to display color bar on S-Video */ static void beagle_display_init(void) { omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH); switch (get_board_revision()) { case REVISION_AXBX: case REVISION_CX: case REVISION_C4: omap3_dss_panel_config(&dvid_cfg); break; case REVISION_XM_A: case REVISION_XM_B: case REVISION_XM_C: default: omap3_dss_panel_config(&dvid_cfg_xm); break; } } /* * Enable DVI power */ static void beagle_dvi_pup(void) { uchar val; switch (get_board_revision()) { case REVISION_AXBX: case REVISION_CX: case REVISION_C4: case REVISION_XM_A: gpio_request(170, ""); gpio_direction_output(170, 0); gpio_set_value(170, 1); break; case REVISION_XM_B: case REVISION_XM_C: default: #define GPIODATADIR1 (TWL4030_BASEADD_GPIO+3) #define GPIODATAOUT1 (TWL4030_BASEADD_GPIO+6) i2c_read(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1); val |= 4; i2c_write(TWL4030_CHIP_GPIO, GPIODATADIR1, 1, &val, 1); i2c_read(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1); val |= 4; i2c_write(TWL4030_CHIP_GPIO, GPIODATAOUT1, 1, &val, 1); break; } } #endif #ifdef CONFIG_USB_MUSB_OMAP2PLUS static struct musb_hdrc_config musb_config = { .multipoint = 1, .dyn_fifo = 1, .num_eps = 16, .ram_bits = 12, }; static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_ULPI, }; static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_MUSB_HOST) .mode = MUSB_HOST, #elif defined(CONFIG_MUSB_GADGET) .mode = MUSB_PERIPHERAL, #else #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET" #endif .config = &musb_config, .power = 100, .platform_ops = &omap2430_ops, .board_data = &musb_board_data, }; #endif /* * Routine: misc_init_r * Description: Configure board specific parts */ int misc_init_r(void) { struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE; struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE; struct control_prog_io *prog_io_base = (struct control_prog_io *)OMAP34XX_CTRL_BASE; /* Enable i2c2 pullup resisters */ writel(~(PRG_I2C2_PULLUPRESX), &prog_io_base->io1); switch (get_board_revision()) { case REVISION_AXBX: printf("Beagle Rev Ax/Bx\n"); setenv("beaglerev", "AxBx"); break; case REVISION_CX: printf("Beagle Rev C1/C2/C3\n"); setenv("beaglerev", "Cx"); MUX_BEAGLE_C(); break; case REVISION_C4: printf("Beagle Rev C4\n"); setenv("beaglerev", "C4"); MUX_BEAGLE_C(); /* Set VAUX2 to 1.8V for EHCI PHY */ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, TWL4030_PM_RECEIVER_VAUX2_VSEL_18, TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, TWL4030_PM_RECEIVER_DEV_GRP_P1); break; case REVISION_XM_A: printf("Beagle xM Rev A\n"); setenv("beaglerev", "xMA"); MUX_BEAGLE_XM(); /* Set VAUX2 to 1.8V for EHCI PHY */ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, TWL4030_PM_RECEIVER_VAUX2_VSEL_18, TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, TWL4030_PM_RECEIVER_DEV_GRP_P1); break; case REVISION_XM_B: printf("Beagle xM Rev B\n"); setenv("beaglerev", "xMB"); MUX_BEAGLE_XM(); /* Set VAUX2 to 1.8V for EHCI PHY */ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, TWL4030_PM_RECEIVER_VAUX2_VSEL_18, TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, TWL4030_PM_RECEIVER_DEV_GRP_P1); break; case REVISION_XM_C: printf("Beagle xM Rev C\n"); setenv("beaglerev", "xMC"); MUX_BEAGLE_XM(); /* Set VAUX2 to 1.8V for EHCI PHY */ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, TWL4030_PM_RECEIVER_VAUX2_VSEL_18, TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, TWL4030_PM_RECEIVER_DEV_GRP_P1); break; default: printf("Beagle unknown 0x%02x\n", get_board_revision()); MUX_BEAGLE_XM(); /* Set VAUX2 to 1.8V for EHCI PHY */ twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, TWL4030_PM_RECEIVER_VAUX2_VSEL_18, TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, TWL4030_PM_RECEIVER_DEV_GRP_P1); } switch (get_expansion_id()) { case TINCANTOOLS_ZIPPY: printf("Recognized Tincantools Zippy board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); MUX_TINCANTOOLS_ZIPPY(); setenv("buddy", "zippy"); break; case TINCANTOOLS_ZIPPY2: printf("Recognized Tincantools Zippy2 board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); MUX_TINCANTOOLS_ZIPPY(); setenv("buddy", "zippy2"); break; case TINCANTOOLS_TRAINER: printf("Recognized Tincantools Trainer board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); MUX_TINCANTOOLS_ZIPPY(); MUX_TINCANTOOLS_TRAINER(); setenv("buddy", "trainer"); break; case TINCANTOOLS_SHOWDOG: printf("Recognized Tincantools Showdow board (rev %d %s)\n", expansion_config.revision, expansion_config.fab_revision); /* Place holder for DSS2 definition for showdog lcd */ setenv("defaultdisplay", "showdoglcd"); setenv("buddy", "showdog"); break; case KBADC_BEAGLEFPGA: printf("Recognized KBADC Beagle FPGA board\n"); MUX_KBADC_BEAGLEFPGA(); setenv("buddy", "beaglefpga"); break; case LW_BEAGLETOUCH: printf("Recognized Liquidware BeagleTouch board\n"); setenv("buddy", "beagletouch"); break; case BRAINMUX_LCDOG: printf("Recognized Brainmux LCDog board\n"); setenv("buddy", "lcdog"); break; case BRAINMUX_LCDOGTOUCH: printf("Recognized Brainmux LCDog Touch board\n"); setenv("buddy", "lcdogtouch"); break; case BBTOYS_WIFI: printf("Recognized BeagleBoardToys WiFi board\n"); MUX_BBTOYS_WIFI() setenv("buddy", "bbtoys-wifi"); break;; case BBTOYS_VGA: printf("Recognized BeagleBoardToys VGA board\n"); break;; case BBTOYS_LCD: printf("Recognized BeagleBoardToys LCD board\n"); break;; case BCT_BRETTL3: printf("Recognized bct electronic GmbH brettl3 board\n"); break; case BCT_BRETTL4: printf("Recognized bct electronic GmbH brettl4 board\n"); break; case LSR_COM6L_ADPT: printf("Recognized LSR COM6L Adapter Board\n"); MUX_BBTOYS_WIFI() setenv("buddy", "lsr-com6l-adpt"); break; case BEAGLE_NO_EEPROM: printf("No EEPROM on expansion board\n"); setenv("buddy", "none"); break; default: printf("Unrecognized expansion board: %x\n", expansion_config.device_vendor); setenv("buddy", "unknown"); } if (expansion_config.content == 1) setenv(expansion_config.env_var, expansion_config.env_setting); twl4030_power_init(); switch (get_board_revision()) { case REVISION_XM_A: case REVISION_XM_B: twl4030_led_init(TWL4030_LED_LEDEN_LEDBON); break; default: twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); break; } /* Set GPIO states before they are made outputs */ writel(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1, &gpio6_base->setdataout); writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout); /* Configure GPIOs to output */ writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe); writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | GPIO15 | GPIO14 | GPIO13 | GPIO12), &gpio5_base->oe); dieid_num_r(); #ifdef CONFIG_VIDEO_OMAP3 beagle_dvi_pup(); beagle_display_init(); omap3_dss_enable(); #endif #ifdef CONFIG_USB_MUSB_OMAP2PLUS musb_register(&musb_plat, &musb_board_data, (void *)MUSB_BASE); #endif return 0; } /* * Routine: set_muxconf_regs * Description: Setting up the configuration Mux registers specific to the * hardware. Many pins need to be moved from protect to primary * mode. */ void set_muxconf_regs(void) { MUX_BEAGLE(); } #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) int board_mmc_init(bd_t *bis) { return omap_mmc_init(0, 0, 0, -1, -1); } #endif #if defined(CONFIG_USB_EHCI) && !defined(CONFIG_SPL_BUILD) /* Call usb_stop() before starting the kernel */ void show_boot_progress(int val) { if (val == BOOTSTAGE_ID_RUN_OS) usb_stop(); } static struct omap_usbhs_board_data usbhs_bdata = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED }; int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { return omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor); } int ehci_hcd_stop(int index) { return omap_ehci_hcd_stop(); } #endif /* CONFIG_USB_EHCI */ #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET) int board_eth_init(bd_t *bis) { return usb_eth_initialize(bis); } #endif