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Diffstat (limited to 'arch/mips/netlogic/xlp/usb-init.c')
-rw-r--r--arch/mips/netlogic/xlp/usb-init.c149
1 files changed, 0 insertions, 149 deletions
diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c
deleted file mode 100644
index f8117985f0f8..000000000000
--- a/arch/mips/netlogic/xlp/usb-init.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright (c) 2003-2012 Broadcom Corporation
- * All Rights Reserved
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the Broadcom
- * license below:
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-
-#include <asm/netlogic/haldefs.h>
-#include <asm/netlogic/xlp-hal/iomap.h>
-#include <asm/netlogic/xlp-hal/xlp.h>
-
-/*
- * USB glue logic registers, used only during initialization
- */
-#define USB_CTL_0 0x01
-#define USB_PHY_0 0x0A
-#define USB_PHY_RESET 0x01
-#define USB_PHY_PORT_RESET_0 0x10
-#define USB_PHY_PORT_RESET_1 0x20
-#define USB_CONTROLLER_RESET 0x01
-#define USB_INT_STATUS 0x0E
-#define USB_INT_EN 0x0F
-#define USB_PHY_INTERRUPT_EN 0x01
-#define USB_OHCI_INTERRUPT_EN 0x02
-#define USB_OHCI_INTERRUPT1_EN 0x04
-#define USB_OHCI_INTERRUPT2_EN 0x08
-#define USB_CTRL_INTERRUPT_EN 0x10
-
-#define nlm_read_usb_reg(b, r) nlm_read_reg(b, r)
-#define nlm_write_usb_reg(b, r, v) nlm_write_reg(b, r, v)
-#define nlm_get_usb_pcibase(node, inst) \
- nlm_pcicfg_base(XLP_IO_USB_OFFSET(node, inst))
-#define nlm_get_usb_regbase(node, inst) \
- (nlm_get_usb_pcibase(node, inst) + XLP_IO_PCI_HDRSZ)
-
-static void nlm_usb_intr_en(int node, int port)
-{
- uint32_t val;
- uint64_t port_addr;
-
- port_addr = nlm_get_usb_regbase(node, port);
- val = nlm_read_usb_reg(port_addr, USB_INT_EN);
- val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN |
- USB_OHCI_INTERRUPT1_EN | USB_OHCI_INTERRUPT2_EN;
- nlm_write_usb_reg(port_addr, USB_INT_EN, val);
-}
-
-static void nlm_usb_hw_reset(int node, int port)
-{
- uint64_t port_addr;
- uint32_t val;
-
- /* reset USB phy */
- port_addr = nlm_get_usb_regbase(node, port);
- val = nlm_read_usb_reg(port_addr, USB_PHY_0);
- val &= ~(USB_PHY_RESET | USB_PHY_PORT_RESET_0 | USB_PHY_PORT_RESET_1);
- nlm_write_usb_reg(port_addr, USB_PHY_0, val);
-
- mdelay(100);
- val = nlm_read_usb_reg(port_addr, USB_CTL_0);
- val &= ~(USB_CONTROLLER_RESET);
- val |= 0x4;
- nlm_write_usb_reg(port_addr, USB_CTL_0, val);
-}
-
-static int __init nlm_platform_usb_init(void)
-{
- if (cpu_is_xlpii())
- return 0;
-
- pr_info("Initializing USB Interface\n");
- nlm_usb_hw_reset(0, 0);
- nlm_usb_hw_reset(0, 3);
-
- /* Enable PHY interrupts */
- nlm_usb_intr_en(0, 0);
- nlm_usb_intr_en(0, 3);
-
- return 0;
-}
-
-arch_initcall(nlm_platform_usb_init);
-
-static u64 xlp_usb_dmamask = ~(u32)0;
-
-/* Fixup the IRQ for USB devices which is exist on XLP SOC PCIE bus */
-static void nlm_usb_fixup_final(struct pci_dev *dev)
-{
- dev->dev.dma_mask = &xlp_usb_dmamask;
- dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
- switch (dev->devfn) {
- case 0x10:
- dev->irq = PIC_EHCI_0_IRQ;
- break;
- case 0x11:
- dev->irq = PIC_OHCI_0_IRQ;
- break;
- case 0x12:
- dev->irq = PIC_OHCI_1_IRQ;
- break;
- case 0x13:
- dev->irq = PIC_EHCI_1_IRQ;
- break;
- case 0x14:
- dev->irq = PIC_OHCI_2_IRQ;
- break;
- case 0x15:
- dev->irq = PIC_OHCI_3_IRQ;
- break;
- }
-}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_EHCI,
- nlm_usb_fixup_final);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_OHCI,
- nlm_usb_fixup_final);