From 6923e8c40d7ac118b578249cf357ff8ac45652f4 Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Sun, 22 May 2016 09:01:41 -0700 Subject: soc/intel/quark: Rename usb.c to ehci.c Rename usb.c to ehci.c since it contains EHCI specific content. TEST=Build and run on Galileo Gen2 Change-Id: Ifdb7cd937b1dffda1959b76e1c911ffd93f53cb6 Signed-off-by: Lee Leahy Reviewed-on: https://review.coreboot.org/14939 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie --- src/soc/intel/quark/Makefile.inc | 2 +- src/soc/intel/quark/ehci.c | 92 ++++++++++++++++++++++++++++++++++++++++ src/soc/intel/quark/usb.c | 92 ---------------------------------------- 3 files changed, 93 insertions(+), 93 deletions(-) create mode 100644 src/soc/intel/quark/ehci.c delete mode 100644 src/soc/intel/quark/usb.c (limited to 'src/soc/intel/quark') diff --git a/src/soc/intel/quark/Makefile.inc b/src/soc/intel/quark/Makefile.inc index b63e613f7b..a6d03b1908 100644 --- a/src/soc/intel/quark/Makefile.inc +++ b/src/soc/intel/quark/Makefile.inc @@ -25,6 +25,7 @@ romstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c ramstage-y += chip.c +ramstage-y += ehci.c ramstage-y += gpio_i2c.c ramstage-y += memmap.c ramstage-y += northcluster.c @@ -33,7 +34,6 @@ ramstage-y += reg_access.c ramstage-y += tsc_freq.c ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart_common.c ramstage-$(CONFIG_ENABLE_BUILTIN_HSUART1) += uart.c -ramstage-y += usb.c CPPFLAGS_common += -I$(src)/soc/intel/quark CPPFLAGS_common += -I$(src)/soc/intel/quark/include diff --git a/src/soc/intel/quark/ehci.c b/src/soc/intel/quark/ehci.c new file mode 100644 index 0000000000..460ef23a79 --- /dev/null +++ b/src/soc/intel/quark/ehci.c @@ -0,0 +1,92 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corporation. + * + * 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; version 2 of the License. + * + * 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. + */ + +#include +#include +#include +#include + +/* USB Phy Registers */ +#define USB2_GLOBAL_PORT 0x4001 +#define USB2_PLL1 0x7F02 +#define USB2_PLL2 0x7F03 +#define USB2_COMPBG 0x7F04 + +/* In order to configure the USB PHY to use clk120 (ickusbcoreclk) as PLL + * reference clock and Port2 as a USB device port, the following sequence must + * be followed + */ +static const struct reg_script init_script[] = { + + /* Sighting #4930631 PDNRESCFG [8:7] of USB2_GLOBAL_PORT = 11b. + * For port 0 & 1 as host and port 2 as device. + */ + REG_USB_RXW(USB2_GLOBAL_PORT, ~(BIT8 | BIT7 | BIT1), (BIT8 | BIT7)), + + /* + * Sighting #4930653 Required BIOS change on Disconnect vref to change + * to 600mV. + */ + REG_USB_RXW(USB2_COMPBG, ~(BIT10 | BIT9 | BIT8 | BIT7), + (BIT10 | BIT7)), + + /* Sideband register write to USB AFE (Phy) + * (pllbypass) to bypass/Disable PLL before switch + */ + REG_USB_OR(USB2_PLL2, BIT29), + + /* Sideband register write to USB AFE (Phy) + * (coreclksel) to select 120MHz (ickusbcoreclk) clk source. + * (Default 0 to select 96MHz (ickusbclk96_npad/ppad)) + */ + REG_USB_OR(USB2_PLL1, BIT1), + + /* Sideband register write to USB AFE (Phy) + * (divide by 8) to achieve internal 480MHz clock + * for 120MHz input refclk. (Default: 4'b1000 (divide by 10) for 96MHz) + */ + REG_USB_RXW(USB2_PLL1, ~(BIT6 | BIT5 | BIT4 | BIT3), BIT6), + + /* Sideband register write to USB AFE (Phy) + * Clear (pllbypass) + */ + REG_USB_AND(USB2_PLL2, ~BIT29), + + /* Sideband register write to USB AFE (Phy) + * Set (startlock) to force the PLL FSM to restart the lock + * sequence due to input clock/freq switch. + */ + REG_USB_OR(USB2_PLL2, BIT24), + REG_SCRIPT_END +}; + +static void init(device_t dev) +{ + printk(BIOS_INFO, "Initializing USB PLLs\n"); + reg_script_run_on_dev(dev, init_script); +} + +static struct device_operations device_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = init, +}; + +static const struct pci_driver driver __pci_driver = { + .ops = &device_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = EHCI_DEVID, +}; diff --git a/src/soc/intel/quark/usb.c b/src/soc/intel/quark/usb.c deleted file mode 100644 index 460ef23a79..0000000000 --- a/src/soc/intel/quark/usb.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2016 Intel Corporation. - * - * 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; version 2 of the License. - * - * 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. - */ - -#include -#include -#include -#include - -/* USB Phy Registers */ -#define USB2_GLOBAL_PORT 0x4001 -#define USB2_PLL1 0x7F02 -#define USB2_PLL2 0x7F03 -#define USB2_COMPBG 0x7F04 - -/* In order to configure the USB PHY to use clk120 (ickusbcoreclk) as PLL - * reference clock and Port2 as a USB device port, the following sequence must - * be followed - */ -static const struct reg_script init_script[] = { - - /* Sighting #4930631 PDNRESCFG [8:7] of USB2_GLOBAL_PORT = 11b. - * For port 0 & 1 as host and port 2 as device. - */ - REG_USB_RXW(USB2_GLOBAL_PORT, ~(BIT8 | BIT7 | BIT1), (BIT8 | BIT7)), - - /* - * Sighting #4930653 Required BIOS change on Disconnect vref to change - * to 600mV. - */ - REG_USB_RXW(USB2_COMPBG, ~(BIT10 | BIT9 | BIT8 | BIT7), - (BIT10 | BIT7)), - - /* Sideband register write to USB AFE (Phy) - * (pllbypass) to bypass/Disable PLL before switch - */ - REG_USB_OR(USB2_PLL2, BIT29), - - /* Sideband register write to USB AFE (Phy) - * (coreclksel) to select 120MHz (ickusbcoreclk) clk source. - * (Default 0 to select 96MHz (ickusbclk96_npad/ppad)) - */ - REG_USB_OR(USB2_PLL1, BIT1), - - /* Sideband register write to USB AFE (Phy) - * (divide by 8) to achieve internal 480MHz clock - * for 120MHz input refclk. (Default: 4'b1000 (divide by 10) for 96MHz) - */ - REG_USB_RXW(USB2_PLL1, ~(BIT6 | BIT5 | BIT4 | BIT3), BIT6), - - /* Sideband register write to USB AFE (Phy) - * Clear (pllbypass) - */ - REG_USB_AND(USB2_PLL2, ~BIT29), - - /* Sideband register write to USB AFE (Phy) - * Set (startlock) to force the PLL FSM to restart the lock - * sequence due to input clock/freq switch. - */ - REG_USB_OR(USB2_PLL2, BIT24), - REG_SCRIPT_END -}; - -static void init(device_t dev) -{ - printk(BIOS_INFO, "Initializing USB PLLs\n"); - reg_script_run_on_dev(dev, init_script); -} - -static struct device_operations device_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = init, -}; - -static const struct pci_driver driver __pci_driver = { - .ops = &device_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = EHCI_DEVID, -}; -- cgit v1.2.3