/**
* @brief misc_init_r - Configure EVM board specific configurations
* such as power configurations, ethernet initialization as phase2 of
* boot sequence
*
* @return 0
*/
int misc_init_r(void)
{
#ifdef CONFIG_PALMAS_POWER
palmas_init_settings();
#endif
omap_die_id_usbethaddr();
return 0;
}
/**
* @brief misc_init_r - Configure Panda board specific configurations
* such as power configurations, ethernet initialization as phase2 of
* boot sequence
*
* @return 0
*/
int misc_init_r(void)
{
int phy_type;
u32 auxclk, altclksrc;
/* EHCI is not supported on ES1.0 */
if (omap_revision() == OMAP4430_ES1_0)
return 0;
get_board_revision();
gpio_direction_input(PANDA_ULPI_PHY_TYPE_GPIO);
phy_type = gpio_get_value(PANDA_ULPI_PHY_TYPE_GPIO);
if (phy_type == 1) {
/* ULPI PHY supplied by auxclk3 derived from sys_clk */
debug("ULPI PHY supplied by auxclk3\n");
auxclk = readl(&scrm->auxclk3);
/* Select sys_clk */
auxclk &= ~AUXCLK_SRCSELECT_MASK;
auxclk |= AUXCLK_SRCSELECT_SYS_CLK << AUXCLK_SRCSELECT_SHIFT;
/* Set the divisor to 2 */
auxclk &= ~AUXCLK_CLKDIV_MASK;
auxclk |= AUXCLK_CLKDIV_2 << AUXCLK_CLKDIV_SHIFT;
/* Request auxilary clock #3 */
auxclk |= AUXCLK_ENABLE_MASK;
writel(auxclk, &scrm->auxclk3);
} else {
/* ULPI PHY supplied by auxclk1 derived from PER dpll */
debug("ULPI PHY supplied by auxclk1\n");
auxclk = readl(&scrm->auxclk1);
/* Select per DPLL */
auxclk &= ~AUXCLK_SRCSELECT_MASK;
auxclk |= AUXCLK_SRCSELECT_PER_DPLL << AUXCLK_SRCSELECT_SHIFT;
/* Set the divisor to 16 */
auxclk &= ~AUXCLK_CLKDIV_MASK;
auxclk |= AUXCLK_CLKDIV_16 << AUXCLK_CLKDIV_SHIFT;
/* Request auxilary clock #3 */
auxclk |= AUXCLK_ENABLE_MASK;
writel(auxclk, &scrm->auxclk1);
}
altclksrc = readl(&scrm->altclksrc);
/* Activate alternate system clock supplier */
altclksrc &= ~ALTCLKSRC_MODE_MASK;
altclksrc |= ALTCLKSRC_MODE_ACTIVE;
/* enable clocks */
altclksrc |= ALTCLKSRC_ENABLE_INT_MASK | ALTCLKSRC_ENABLE_EXT_MASK;
writel(altclksrc, &scrm->altclksrc);
omap_die_id_usbethaddr();
return 0;
}
/*
* 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;
u32 value;
/* Enable i2c2 pullup resisters */
value = readl(&prog_io_base->io1);
value &= ~(PRG_I2C2_PULLUPRESX);
writel(value, &prog_io_base->io1);
switch (get_board_revision()) {
case REVISION_AXBX:
printf("Beagle Rev Ax/Bx\n");
env_set("beaglerev", "AxBx");
break;
case REVISION_CX:
printf("Beagle Rev C1/C2/C3\n");
env_set("beaglerev", "Cx");
MUX_BEAGLE_C();
break;
case REVISION_C4:
printf("Beagle Rev C4\n");
env_set("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");
env_set("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");
env_set("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();
env_set("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();
env_set("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();
env_set("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 */
env_set("defaultdisplay", "showdoglcd");
env_set("buddy", "showdog");
break;
case KBADC_BEAGLEFPGA:
printf("Recognized KBADC Beagle FPGA board\n");
MUX_KBADC_BEAGLEFPGA();
env_set("buddy", "beaglefpga");
break;
case LW_BEAGLETOUCH:
printf("Recognized Liquidware BeagleTouch board\n");
env_set("buddy", "beagletouch");
break;
case BRAINMUX_LCDOG:
printf("Recognized Brainmux LCDog board\n");
env_set("buddy", "lcdog");
break;
case BRAINMUX_LCDOGTOUCH:
printf("Recognized Brainmux LCDog Touch board\n");
env_set("buddy", "lcdogtouch");
break;
case BBTOYS_WIFI:
printf("Recognized BeagleBoardToys WiFi board\n");
MUX_BBTOYS_WIFI()
env_set("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()
env_set("buddy", "lsr-com6l-adpt");
break;
case BEAGLE_NO_EEPROM:
printf("No EEPROM on expansion board\n");
env_set("buddy", "none");
break;
default:
printf("Unrecognized expansion board: %x\n",
expansion_config.device_vendor);
env_set("buddy", "unknown");
}
if (expansion_config.content == 1)
env_set(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);
omap_die_id_display();
#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)
omap_die_id_usbethaddr();
#if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT)
if (strlen(CONFIG_MTDIDS_DEFAULT))
env_set("mtdids", CONFIG_MTDIDS_DEFAULT);
if (strlen(CONFIG_MTDPARTS_DEFAULT))
env_set("mtdparts", CONFIG_MTDPARTS_DEFAULT);
#endif
return 0;
}
