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Diffstat (limited to 'arch/mips/netlogic/xlp/usb-init-xlp2.c')
-rw-r--r--arch/mips/netlogic/xlp/usb-init-xlp2.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/arch/mips/netlogic/xlp/usb-init-xlp2.c b/arch/mips/netlogic/xlp/usb-init-xlp2.c
deleted file mode 100644
index 2524939a5e3a..000000000000
--- a/arch/mips/netlogic/xlp/usb-init-xlp2.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * Copyright (c) 2003-2013 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/pci_ids.h>
-#include <linux/platform_device.h>
-#include <linux/irq.h>
-
-#include <asm/netlogic/common.h>
-#include <asm/netlogic/haldefs.h>
-#include <asm/netlogic/xlp-hal/iomap.h>
-#include <asm/netlogic/xlp-hal/xlp.h>
-
-#define XLPII_USB3_CTL_0 0xc0
-#define XLPII_VAUXRST BIT(0)
-#define XLPII_VCCRST BIT(1)
-#define XLPII_NUM2PORT 9
-#define XLPII_NUM3PORT 13
-#define XLPII_RTUNEREQ BIT(20)
-#define XLPII_MS_CSYSREQ BIT(21)
-#define XLPII_XS_CSYSREQ BIT(22)
-#define XLPII_RETENABLEN BIT(23)
-#define XLPII_TX2RX BIT(24)
-#define XLPII_XHCIREV BIT(25)
-#define XLPII_ECCDIS BIT(26)
-
-#define XLPII_USB3_INT_REG 0xc2
-#define XLPII_USB3_INT_MASK 0xc3
-
-#define XLPII_USB_PHY_TEST 0xc6
-#define XLPII_PRESET BIT(0)
-#define XLPII_ATERESET BIT(1)
-#define XLPII_LOOPEN BIT(2)
-#define XLPII_TESTPDHSP BIT(3)
-#define XLPII_TESTPDSSP BIT(4)
-#define XLPII_TESTBURNIN BIT(5)
-
-#define XLPII_USB_PHY_LOS_LV 0xc9
-#define XLPII_LOSLEV 0
-#define XLPII_LOSBIAS 5
-#define XLPII_SQRXTX 8
-#define XLPII_TXBOOST 11
-#define XLPII_RSLKSEL 16
-#define XLPII_FSEL 20
-
-#define XLPII_USB_RFCLK_REG 0xcc
-#define XLPII_VVLD 30
-
-#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_xlpii_get_usb_pcibase(node, inst) \
- nlm_pcicfg_base(cpu_is_xlp9xx() ? \
- XLP9XX_IO_USB_OFFSET(node, inst) : \
- XLP2XX_IO_USB_OFFSET(node, inst))
-#define nlm_xlpii_get_usb_regbase(node, inst) \
- (nlm_xlpii_get_usb_pcibase(node, inst) + XLP_IO_PCI_HDRSZ)
-
-static void xlp2xx_usb_ack(struct irq_data *data)
-{
- u64 port_addr;
-
- switch (data->irq) {
- case PIC_2XX_XHCI_0_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(0, 1);
- break;
- case PIC_2XX_XHCI_1_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(0, 2);
- break;
- case PIC_2XX_XHCI_2_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(0, 3);
- break;
- default:
- pr_err("No matching USB irq!\n");
- return;
- }
- nlm_write_usb_reg(port_addr, XLPII_USB3_INT_REG, 0xffffffff);
-}
-
-static void xlp9xx_usb_ack(struct irq_data *data)
-{
- u64 port_addr;
- int node, irq;
-
- /* Find the node and irq on the node */
- irq = data->irq % NLM_IRQS_PER_NODE;
- node = data->irq / NLM_IRQS_PER_NODE;
-
- switch (irq) {
- case PIC_9XX_XHCI_0_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(node, 1);
- break;
- case PIC_9XX_XHCI_1_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(node, 2);
- break;
- case PIC_9XX_XHCI_2_IRQ:
- port_addr = nlm_xlpii_get_usb_regbase(node, 3);
- break;
- default:
- pr_err("No matching USB irq %d node %d!\n", irq, node);
- return;
- }
- nlm_write_usb_reg(port_addr, XLPII_USB3_INT_REG, 0xffffffff);
-}
-
-static void nlm_xlpii_usb_hw_reset(int node, int port)
-{
- u64 port_addr, xhci_base, pci_base;
- void __iomem *corebase;
- u32 val;
-
- port_addr = nlm_xlpii_get_usb_regbase(node, port);
-
- /* Set frequency */
- val = nlm_read_usb_reg(port_addr, XLPII_USB_PHY_LOS_LV);
- val &= ~(0x3f << XLPII_FSEL);
- val |= (0x27 << XLPII_FSEL);
- nlm_write_usb_reg(port_addr, XLPII_USB_PHY_LOS_LV, val);
-
- val = nlm_read_usb_reg(port_addr, XLPII_USB_RFCLK_REG);
- val |= (1 << XLPII_VVLD);
- nlm_write_usb_reg(port_addr, XLPII_USB_RFCLK_REG, val);
-
- /* PHY reset */
- val = nlm_read_usb_reg(port_addr, XLPII_USB_PHY_TEST);
- val &= (XLPII_ATERESET | XLPII_LOOPEN | XLPII_TESTPDHSP
- | XLPII_TESTPDSSP | XLPII_TESTBURNIN);
- nlm_write_usb_reg(port_addr, XLPII_USB_PHY_TEST, val);
-
- /* Setup control register */
- val = XLPII_VAUXRST | XLPII_VCCRST | (1 << XLPII_NUM2PORT)
- | (1 << XLPII_NUM3PORT) | XLPII_MS_CSYSREQ | XLPII_XS_CSYSREQ
- | XLPII_RETENABLEN | XLPII_XHCIREV;
- nlm_write_usb_reg(port_addr, XLPII_USB3_CTL_0, val);
-
- /* Enable interrupts */
- nlm_write_usb_reg(port_addr, XLPII_USB3_INT_MASK, 0x00000001);
-
- /* Clear all interrupts */
- nlm_write_usb_reg(port_addr, XLPII_USB3_INT_REG, 0xffffffff);
-
- udelay(2000);
-
- /* XHCI configuration at PCI mem */
- pci_base = nlm_xlpii_get_usb_pcibase(node, port);
- xhci_base = nlm_read_usb_reg(pci_base, 0x4) & ~0xf;
- corebase = ioremap(xhci_base, 0x10000);
- if (!corebase)
- return;
-
- writel(0x240002, corebase + 0xc2c0);
- /* GCTL 0xc110 */
- val = readl(corebase + 0xc110);
- val &= ~(0x3 << 12);
- val |= (1 << 12);
- writel(val, corebase + 0xc110);
- udelay(100);
-
- /* PHYCFG 0xc200 */
- val = readl(corebase + 0xc200);
- val &= ~(1 << 6);
- writel(val, corebase + 0xc200);
- udelay(100);
-
- /* PIPECTL 0xc2c0 */
- val = readl(corebase + 0xc2c0);
- val &= ~(1 << 17);
- writel(val, corebase + 0xc2c0);
-
- iounmap(corebase);
-}
-
-static int __init nlm_platform_xlpii_usb_init(void)
-{
- int node;
-
- if (!cpu_is_xlpii())
- return 0;
-
- if (!cpu_is_xlp9xx()) {
- /* XLP 2XX single node */
- pr_info("Initializing 2XX USB Interface\n");
- nlm_xlpii_usb_hw_reset(0, 1);
- nlm_xlpii_usb_hw_reset(0, 2);
- nlm_xlpii_usb_hw_reset(0, 3);
- nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_0_IRQ, xlp2xx_usb_ack);
- nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_1_IRQ, xlp2xx_usb_ack);
- nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_2_IRQ, xlp2xx_usb_ack);
- return 0;
- }
-
- /* XLP 9XX, multi-node */
- pr_info("Initializing 9XX/5XX USB Interface\n");
- for (node = 0; node < NLM_NR_NODES; node++) {
- if (!nlm_node_present(node))
- continue;
- nlm_xlpii_usb_hw_reset(node, 1);
- nlm_xlpii_usb_hw_reset(node, 2);
- nlm_xlpii_usb_hw_reset(node, 3);
- nlm_set_pic_extra_ack(node, PIC_9XX_XHCI_0_IRQ, xlp9xx_usb_ack);
- nlm_set_pic_extra_ack(node, PIC_9XX_XHCI_1_IRQ, xlp9xx_usb_ack);
- nlm_set_pic_extra_ack(node, PIC_9XX_XHCI_2_IRQ, xlp9xx_usb_ack);
- }
- return 0;
-}
-
-arch_initcall(nlm_platform_xlpii_usb_init);
-
-static u64 xlp_usb_dmamask = ~(u32)0;
-
-/* Fixup the IRQ for USB devices which is exist on XLP9XX SOC PCIE bus */
-static void nlm_xlp9xx_usb_fixup_final(struct pci_dev *dev)
-{
- int node;
-
- node = xlp_socdev_to_node(dev);
- dev->dev.dma_mask = &xlp_usb_dmamask;
- dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
- switch (dev->devfn) {
- case 0x21:
- dev->irq = nlm_irq_to_xirq(node, PIC_9XX_XHCI_0_IRQ);
- break;
- case 0x22:
- dev->irq = nlm_irq_to_xirq(node, PIC_9XX_XHCI_1_IRQ);
- break;
- case 0x23:
- dev->irq = nlm_irq_to_xirq(node, PIC_9XX_XHCI_2_IRQ);
- break;
- }
-}
-
-/* Fixup the IRQ for USB devices which is exist on XLP2XX SOC PCIE bus */
-static void nlm_xlp2xx_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 0x21:
- dev->irq = PIC_2XX_XHCI_0_IRQ;
- break;
- case 0x22:
- dev->irq = PIC_2XX_XHCI_1_IRQ;
- break;
- case 0x23:
- dev->irq = PIC_2XX_XHCI_2_IRQ;
- break;
- }
-}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_XLP9XX_XHCI,
- nlm_xlp9xx_usb_fixup_final);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_XHCI,
- nlm_xlp2xx_usb_fixup_final);