diff options
27 files changed, 48 insertions, 30 deletions
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index a6a350f5827b..1fc8f1249806 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -102,6 +102,9 @@ static struct kgdb_io kgdbdbgp_io_ops; #define dbgp_kgdb_mode (0) #endif +/* Local version of HC_LENGTH macro as ehci struct is not available here */ +#define EARLY_HC_LENGTH(p) (0x00ff & (p)) /* bits 7 : 0 */ + /* * USB Packet IDs (PIDs) */ @@ -892,7 +895,7 @@ int __init early_dbgp_init(char *s) dbgp_printk("ehci_bar: %p\n", ehci_bar); ehci_caps = ehci_bar; - ehci_regs = ehci_bar + HC_LENGTH(readl(&ehci_caps->hc_capbase)); + ehci_regs = ehci_bar + EARLY_HC_LENGTH(readl(&ehci_caps->hc_capbase)); ehci_debug = ehci_bar + offset; ehci_dev.bus = bus; ehci_dev.slot = slot; diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c index 7ea23b50f5d8..98cc8a13169c 100644 --- a/drivers/usb/host/ehci-ath79.c +++ b/drivers/usb/host/ehci-ath79.c @@ -44,6 +44,7 @@ static int ehci_ath79_init(struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci(hcd); struct platform_device *pdev = to_platform_device(hcd->self.controller); const struct platform_device_id *id; + int hclength; int ret; id = platform_get_device_id(pdev); @@ -52,21 +53,20 @@ static int ehci_ath79_init(struct usb_hcd *hcd) return -EINVAL; } + hclength = HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); switch (id->driver_data) { case EHCI_ATH79_IP_V1: ehci->has_synopsys_hc_bug = 1; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + hclength; break; case EHCI_ATH79_IP_V2: hcd->has_tt = 1; ehci->caps = hcd->regs + 0x100; - ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + 0x100 + hclength; break; default: diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index b2ed55cb811d..a5a3ef1f0096 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -56,7 +56,7 @@ static int ehci_atmel_setup(struct usb_hcd *hcd) /* registers start at offset 0x0 */ ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index a869e3c103d3..40b002869ac2 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -175,7 +175,8 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); /* cache this readonly data; minimize chip reads */ ehci->hcs_params = readl(&ehci->caps->hcs_params); diff --git a/drivers/usb/host/ehci-cns3xxx.c b/drivers/usb/host/ehci-cns3xxx.c index 708a05b5d258..d41745c6f0c4 100644 --- a/drivers/usb/host/ehci-cns3xxx.c +++ b/drivers/usb/host/ehci-cns3xxx.c @@ -34,7 +34,7 @@ static int cns3xxx_ehci_init(struct usb_hcd *hcd) ehci->caps = hcd->regs; ehci->regs = hcd->regs - + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 0; diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 693c29b30521..40a844c1dbb4 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -726,7 +726,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) } /* Capability Registers */ - i = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase)); + i = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); temp = scnprintf (next, size, "bus %s, device %s\n" "%s\n" diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 623732a312dd..f380bf97e5af 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -324,7 +324,7 @@ static int ehci_fsl_setup(struct usb_hcd *hcd) /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 83b7d5f02a15..8164ffafd10a 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -739,7 +739,7 @@ static int ehci_run (struct usb_hcd *hcd) up_write(&ehci_cf_port_reset_rwsem); ehci->last_periodic_enable = ktime_get_real(); - temp = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase)); + temp = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci_info (ehci, "USB %x.%x started, EHCI %x.%02x%s\n", ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c index 89b7c70c6ed6..50e600d26e28 100644 --- a/drivers/usb/host/ehci-ixp4xx.c +++ b/drivers/usb/host/ehci-ixp4xx.c @@ -23,7 +23,7 @@ static int ixp4xx_ehci_init(struct usb_hcd *hcd) ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 - + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c index 9ce1b0bc186d..b5a0bf649c95 100644 --- a/drivers/usb/host/ehci-msm.c +++ b/drivers/usb/host/ehci-msm.c @@ -41,7 +41,7 @@ static int ehci_msm_reset(struct usb_hcd *hcd) ehci->caps = USB_CAPLENGTH; ehci->regs = USB_CAPLENGTH + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 25c8c10bb689..0c058be35a38 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -208,7 +208,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* set up the PORTSCx register */ ehci_writel(ehci, pdata->portsc, &ehci->regs->port_status[0]); diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c index a31a031178a8..ff55757ba7d8 100644 --- a/drivers/usb/host/ehci-octeon.c +++ b/drivers/usb/host/ehci-octeon.c @@ -151,7 +151,7 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 7e41a95c5ceb..3c482dc99ece 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -188,7 +188,7 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) /* we know this is the memory we want, no need to ioremap again */ omap_ehci->caps = hcd->regs; omap_ehci->regs = hcd->regs - + HC_LENGTH(readl(&omap_ehci->caps->hc_capbase)); + + HC_LENGTH(ehci, readl(&omap_ehci->caps->hc_capbase)); dbg_hcs_params(omap_ehci, "reset"); dbg_hcc_params(omap_ehci, "reset"); diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 281e094e1c18..395bdb0248d5 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -251,7 +251,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; ehci->sbrn = 0x20; diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index d5eaea7caf89..660b80a75cac 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -70,7 +70,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c index a2168642175b..cd69099cda19 100644 --- a/drivers/usb/host/ehci-pmcmsp.c +++ b/drivers/usb/host/ehci-pmcmsp.c @@ -83,7 +83,7 @@ static int ehci_msp_setup(struct usb_hcd *hcd) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c index 1f09f253697e..8552db6c29c9 100644 --- a/drivers/usb/host/ehci-ppc-of.c +++ b/drivers/usb/host/ehci-ppc-of.c @@ -179,7 +179,7 @@ static int __devinit ehci_hcd_ppc_of_probe(struct platform_device *op) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 1dee33b9139e..64626a777d61 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -29,7 +29,7 @@ static int ps3_ehci_hc_reset(struct usb_hcd *hcd) ehci->big_endian_mmio = 1; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, + ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 0c18f280bf4c..321a03301ad2 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -126,7 +126,8 @@ static int s5p_ehci_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c index 595f70f42b52..86a95bb80a61 100644 --- a/drivers/usb/host/ehci-sh.c +++ b/drivers/usb/host/ehci-sh.c @@ -23,7 +23,7 @@ static int ehci_sh_reset(struct usb_hcd *hcd) int ret; ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, + ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 75c00873443d..dbf1e4ef3c17 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -38,7 +38,7 @@ static int ehci_spear_setup(struct usb_hcd *hcd) /* registers start at offset 0x0 */ ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, + ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 7359bcbe4176..02b2bfd49a10 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -400,7 +400,7 @@ static int tegra_ehci_setup(struct usb_hcd *hcd) /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(readl(&ehci->caps->hc_capbase)); + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index 20168062035a..47d749631bc7 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -121,7 +121,8 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase)); + ehci->regs = hcd->regs + + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index 6bc35809a5c6..52a027aaa370 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -57,7 +57,7 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver, ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* enable PHY 0,1,the regs only apply to w90p910 * 0xA4,0xA8 were offsets of PHY0 and PHY1 controller of diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c index effc58d7af8b..a64d6d66d760 100644 --- a/drivers/usb/host/ehci-xilinx-of.c +++ b/drivers/usb/host/ehci-xilinx-of.c @@ -220,7 +220,7 @@ static int __devinit ehci_hcd_xilinx_of_probe(struct platform_device *op) */ ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index e9ba8e252489..d0792f591590 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -128,6 +128,7 @@ struct ehci_hcd { /* one per controller */ unsigned has_fsl_port_bug:1; /* FreeScale */ unsigned big_endian_mmio:1; unsigned big_endian_desc:1; + unsigned big_endian_capbase:1; unsigned has_amcc_usb23:1; unsigned need_io_watchdog:1; unsigned broken_periodic:1; @@ -605,12 +606,18 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc) * This attempts to support either format at compile time without a * runtime penalty, or both formats with the additional overhead * of checking a flag bit. + * + * ehci_big_endian_capbase is a special quirk for controllers that + * implement the HC capability registers as separate registers and not + * as fields of a 32-bit register. */ #ifdef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO #define ehci_big_endian_mmio(e) ((e)->big_endian_mmio) +#define ehci_big_endian_capbase(e) ((e)->big_endian_capbase) #else #define ehci_big_endian_mmio(e) 0 +#define ehci_big_endian_capbase(e) 0 #endif /* diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 78799432008e..7cc95ee3606b 100644 --- a/include/linux/usb/ehci_def.h +++ b/include/linux/usb/ehci_def.h @@ -25,10 +25,15 @@ struct ehci_caps { /* these fields are specified as 8 and 16 bit registers, * but some hosts can't perform 8 or 16 bit PCI accesses. + * some hosts treat caplength and hciversion as parts of a 32-bit + * register, others treat them as two separate registers, this + * affects the memory map for big endian controllers. */ u32 hc_capbase; -#define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */ -#define HC_VERSION(p) (((p)>>16)&0xffff) /* bits 31:16 */ +#define HC_LENGTH(ehci, p) (0x00ff&((p) >> /* bits 7:0 / offset 00h */ \ + (ehci_big_endian_capbase(ehci) ? 24 : 0))) +#define HC_VERSION(ehci, p) (0xffff&((p) >> /* bits 31:16 / offset 02h */ \ + (ehci_big_endian_capbase(ehci) ? 0 : 16))) u32 hcs_params; /* HCSPARAMS - offset 0x4 */ #define HCS_DEBUG_PORT(p) (((p)>>20)&0xf) /* bits 23:20, debug port? */ #define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */ |