diff options
Diffstat (limited to 'arch/mips/netlogic/xlp/usb-init-xlp2.c')
-rw-r--r-- | arch/mips/netlogic/xlp/usb-init-xlp2.c | 288 |
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); 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