a1179cafdb
Chipsets sb700 and sb800/hudson have more than one USB EHCI controller, implement the selection logic using already existing Kconfig option. Change-Id: I9e0df1669d73863c95c36a3a7fee40d58f6f097e Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3928 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2010 Advanced Micro Devices, Inc.
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* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Use simple device model for this file even in ramstage
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#define __SIMPLE_DEVICE__
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#include <stdint.h>
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#include <arch/io.h>
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#include <usbdebug.h>
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#include <device/pci_def.h>
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#include "sb700.h"
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#define DEBUGPORT_MISC_CONTROL 0x80
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pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
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{
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if (hcd_idx==2)
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return PCI_DEV(0, 0x13, 2);
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else
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return PCI_DEV(0, 0x12, 2);
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}
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void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
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{
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u32 base_regs = pci_ehci_base_regs(dev);
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u32 reg32;
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/* Write the port number to DEBUGPORT_MISC_CONTROL[31:28]. */
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reg32 = read32(base_regs + DEBUGPORT_MISC_CONTROL);
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reg32 &= ~(0xf << 28);
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reg32 |= (port << 28);
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reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */
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write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32);
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}
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void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
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{
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/* Set the EHCI BAR address. */
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pci_write_config32(dev, EHCI_BAR_INDEX, base);
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/* Enable access to the EHCI memory space registers. */
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pci_write_config8(dev, PCI_COMMAND, PCI_COMMAND_MEMORY);
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}
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