X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2Fti%2Fbeagle%2Fbeagle.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2Fti%2Fbeagle%2Fbeagle.c;h=0674afdc0946b0311081525a87d6441a121f8e30;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/ti/beagle/beagle.c b/qemu/roms/u-boot/board/ti/beagle/beagle.c new file mode 100644 index 000000000..0674afdc0 --- /dev/null +++ b/qemu/roms/u-boot/board/ti/beagle/beagle.c @@ -0,0 +1,553 @@ +/* + * (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_AB: + 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_AB: + 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: + gpio_request(170, ""); + gpio_direction_output(170, 0); + gpio_set_value(170, 1); + break; + case REVISION_XM_AB: + 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; + bool generate_fake_mac = false; + + /* 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_AB: + printf("Beagle xM Rev A/B\n"); + setenv("beaglerev", "xMAB"); + 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); + generate_fake_mac = true; + 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); + generate_fake_mac = true; + 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); + generate_fake_mac = true; + } + + 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_AB: + 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 + + if (generate_fake_mac) { + u32 id[4]; + + get_dieid(id); + usb_fake_mac_from_die_id(id); + } + + 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, enum usb_init_type init, + struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + return omap_ehci_hcd_init(index, &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