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Revert "USB host: Move AMD PLL quirk to pci-quirks.c"

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This reverts commit b7d5b439b7.
It conflicts with commit baab93afc2 "USB:
EHCI: ASPM quirk of ISOC on AMD Hudson" and merging the two just doesn't
work properly.

Cc: Andiry Xu <andiry.xu@amd.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alex He <alex.he@amd.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
2011-02-17 09:54:16 -08:00
parent ce1fd35857
commit 479b46b559
10 changed files with 222 additions and 311 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/usb/host/ehci-sched.c
View File

@ -1587,6 +1587,63 @@ itd_link (struct ehci_hcd *ehci, unsigned frame, struct ehci_itd *itd)
*hw_p = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD);
}
#define AB_REG_BAR_LOW 0xe0
#define AB_REG_BAR_HIGH 0xe1
#define AB_INDX(addr) ((addr) + 0x00)
#define AB_DATA(addr) ((addr) + 0x04)
#define NB_PCIE_INDX_ADDR 0xe0
#define NB_PCIE_INDX_DATA 0xe4
#define NB_PIF0_PWRDOWN_0 0x01100012
#define NB_PIF0_PWRDOWN_1 0x01100013
static void ehci_quirk_amd_L1(struct ehci_hcd *ehci, int disable)
{
u32 addr, addr_low, addr_high, val;
outb_p(AB_REG_BAR_LOW, 0xcd6);
addr_low = inb_p(0xcd7);
outb_p(AB_REG_BAR_HIGH, 0xcd6);
addr_high = inb_p(0xcd7);
addr = addr_high << 8 | addr_low;
outl_p(0x30, AB_INDX(addr));
outl_p(0x40, AB_DATA(addr));
outl_p(0x34, AB_INDX(addr));
val = inl_p(AB_DATA(addr));
if (disable) {
val &= ~0x8;
val |= (1 << 4) | (1 << 9);
} else {
val |= 0x8;
val &= ~((1 << 4) | (1 << 9));
}
outl_p(val, AB_DATA(addr));
if (amd_nb_dev) {
addr = NB_PIF0_PWRDOWN_0;
pci_write_config_dword(amd_nb_dev, NB_PCIE_INDX_ADDR, addr);
pci_read_config_dword(amd_nb_dev, NB_PCIE_INDX_DATA, &val);
if (disable)
val &= ~(0x3f << 7);
else
val |= 0x3f << 7;
pci_write_config_dword(amd_nb_dev, NB_PCIE_INDX_DATA, val);
addr = NB_PIF0_PWRDOWN_1;
pci_write_config_dword(amd_nb_dev, NB_PCIE_INDX_ADDR, addr);
pci_read_config_dword(amd_nb_dev, NB_PCIE_INDX_DATA, &val);
if (disable)
val &= ~(0x3f << 7);
else
val |= 0x3f << 7;
pci_write_config_dword(amd_nb_dev, NB_PCIE_INDX_DATA, val);
}
return;
}
/* fit urb's itds into the selected schedule slot; activate as needed */
static int
itd_link_urb (
@ -1615,8 +1672,8 @@ itd_link_urb (
}
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
usb_amd_quirk_pll_disable();
if (ehci->amd_l1_fix == 1)
ehci_quirk_amd_L1(ehci, 1);
}
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++;
@ -1744,8 +1801,8 @@ itd_complete (
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--;
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
usb_amd_quirk_pll_enable();
if (ehci->amd_l1_fix == 1)
ehci_quirk_amd_L1(ehci, 0);
}
if (unlikely(list_is_singular(&stream->td_list))) {
@ -2035,8 +2092,8 @@ sitd_link_urb (
}
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
usb_amd_quirk_pll_disable();
if (ehci->amd_l1_fix == 1)
ehci_quirk_amd_L1(ehci, 1);
}
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs++;
@ -2140,8 +2197,8 @@ sitd_complete (
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--;
if (ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs == 0) {
if (ehci->amd_pll_fix == 1)
usb_amd_quirk_pll_enable();
if (ehci->amd_l1_fix == 1)
ehci_quirk_amd_L1(ehci, 0);
}
if (list_is_singular(&stream->td_list)) {