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authorKyösti Mälkki <kyosti.malkki@gmail.com>2017-07-30 13:23:32 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2017-08-07 12:35:42 +0000
commit6683e409d3688217e70f1f19deab152790b0f495 (patch)
tree965070f130e9b367631c746ab219aa73f3569238 /src/southbridge
parentd1a0c5770803e45dabecf6094fccb9895ea76d10 (diff)
downloadcoreboot-6683e409d3688217e70f1f19deab152790b0f495.tar.xz
usbdebug: Refactor early enable
Always sanity check for EHCI class device and move PCI function power enablement up. Change-Id: I1eebe813fbb420738af2d572178213fc660f392a Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/20826 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/amd/agesa/hudson/enable_usbdebug.c12
-rw-r--r--src/southbridge/amd/pi/hudson/enable_usbdebug.c12
-rw-r--r--src/southbridge/amd/sb600/enable_usbdebug.c4
-rw-r--r--src/southbridge/amd/sb700/enable_usbdebug.c4
-rw-r--r--src/southbridge/amd/sb800/enable_usbdebug.c12
-rw-r--r--src/southbridge/intel/common/usb_debug.c28
-rw-r--r--src/southbridge/nvidia/ck804/enable_usbdebug.c4
-rw-r--r--src/southbridge/nvidia/mcp55/enable_usbdebug.c4
-rw-r--r--src/southbridge/sis/sis966/enable_usbdebug.c4
9 files changed, 19 insertions, 65 deletions
diff --git a/src/southbridge/amd/agesa/hudson/enable_usbdebug.c b/src/southbridge/amd/agesa/hudson/enable_usbdebug.c
index 4a37e557b6..88b28f4d32 100644
--- a/src/southbridge/amd/agesa/hudson/enable_usbdebug.c
+++ b/src/southbridge/amd/agesa/hudson/enable_usbdebug.c
@@ -26,6 +26,10 @@
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
{
+ /* Enable all of the USB controllers */
+ outb(0xEF, PM_INDEX);
+ outb(0x7F, PM_DATA);
+
if (hcd_idx == 3)
return PCI_DEV(0, 0x16, 2);
else if (hcd_idx == 2)
@@ -46,11 +50,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */
write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32);
}
-
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
- /* Enable all of the USB controllers */
- outb(0xEF, PM_INDEX);
- outb(0x7F, PM_DATA);
-}
diff --git a/src/southbridge/amd/pi/hudson/enable_usbdebug.c b/src/southbridge/amd/pi/hudson/enable_usbdebug.c
index cb6961ae40..7bea799d0a 100644
--- a/src/southbridge/amd/pi/hudson/enable_usbdebug.c
+++ b/src/southbridge/amd/pi/hudson/enable_usbdebug.c
@@ -26,6 +26,10 @@
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
{
+ /* Enable all of the USB controllers */
+ outb(0xEF, PM_INDEX);
+ outb(0x7F, PM_DATA);
+
if (hcd_idx == 3)
return PCI_DEV(0, 0x16, 0);
else if (hcd_idx == 2)
@@ -46,11 +50,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */
write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32);
}
-
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
- /* Enable all of the USB controllers */
- outb(0xEF, PM_INDEX);
- outb(0x7F, PM_DATA);
-}
diff --git a/src/southbridge/amd/sb600/enable_usbdebug.c b/src/southbridge/amd/sb600/enable_usbdebug.c
index 8b19cc41de..5988add889 100644
--- a/src/southbridge/amd/sb600/enable_usbdebug.c
+++ b/src/southbridge/amd/sb600/enable_usbdebug.c
@@ -32,7 +32,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
/* TODO: Allow changing the physical USB port used as Debug Port. */
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
-}
diff --git a/src/southbridge/amd/sb700/enable_usbdebug.c b/src/southbridge/amd/sb700/enable_usbdebug.c
index 6d95b8ee4f..654c1acbcf 100644
--- a/src/southbridge/amd/sb700/enable_usbdebug.c
+++ b/src/southbridge/amd/sb700/enable_usbdebug.c
@@ -45,7 +45,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */
write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32);
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
-}
diff --git a/src/southbridge/amd/sb800/enable_usbdebug.c b/src/southbridge/amd/sb800/enable_usbdebug.c
index 8ef3151f13..938a4a6617 100644
--- a/src/southbridge/amd/sb800/enable_usbdebug.c
+++ b/src/southbridge/amd/sb800/enable_usbdebug.c
@@ -26,6 +26,10 @@
pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
{
+ /* Enable all of the USB controllers */
+ outb(0xEF, PM_INDEX);
+ outb(0x7F, PM_DATA);
+
if (hcd_idx == 3)
return PCI_DEV(0, 0x16, 2);
else if (hcd_idx == 2)
@@ -46,11 +50,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
reg32 |= (1 << 27); /* Enable Debug Port port number remapping. */
write32(base_regs + DEBUGPORT_MISC_CONTROL, reg32);
}
-
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
- /* Enable all of the USB controllers */
- outb(0xEF, PM_INDEX);
- outb(0x7F, PM_DATA);
-}
diff --git a/src/southbridge/intel/common/usb_debug.c b/src/southbridge/intel/common/usb_debug.c
index e1cd6575d0..f74da657fd 100644
--- a/src/southbridge/intel/common/usb_debug.c
+++ b/src/southbridge/intel/common/usb_debug.c
@@ -27,27 +27,20 @@ pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx)
u32 class;
pci_devfn_t dev;
-#if IS_ENABLED(CONFIG_HAVE_USBDEBUG_OPTIONS)
+ if (!IS_ENABLED(CONFIG_HAVE_USBDEBUG_OPTIONS))
+ return PCI_DEV(0, 0x1d, 7);
+
if (hcd_idx==2)
dev = PCI_DEV(0, 0x1a, 0);
else
dev = PCI_DEV(0, 0x1d, 0);
-#else
- dev = PCI_DEV(0, 0x1d, 7);
-#endif
+ /* If we enter here before RCBA programming, EHCI function may
+ * appear with the highest function number instead.
+ */
class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
-#if IS_ENABLED(CONFIG_HAVE_USBDEBUG_OPTIONS)
- if (class != PCI_EHCI_CLASSCODE) {
- /* If we enter here before RCBA programming, EHCI function may
- * appear with the highest function number instead.
- */
- dev |= PCI_DEV(0, 0, 7);
- class = pci_read_config32(dev, PCI_CLASS_REVISION) >> 8;
- }
-#endif
if (class != PCI_EHCI_CLASSCODE)
- return 0;
+ dev |= PCI_DEV(0, 0, 7);
return dev;
}
@@ -57,10 +50,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
{
/* Not needed, the ICH* southbridges hardcode physical USB port 1. */
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
- /* Bail out. No console to complain in. */
- if (!dev)
- return;
-}
diff --git a/src/southbridge/nvidia/ck804/enable_usbdebug.c b/src/southbridge/nvidia/ck804/enable_usbdebug.c
index 4ae4aa0052..7296e0526d 100644
--- a/src/southbridge/nvidia/ck804/enable_usbdebug.c
+++ b/src/southbridge/nvidia/ck804/enable_usbdebug.c
@@ -41,7 +41,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
dword |= (port << 12);
pci_write_config32(dev, 0x74, dword);
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
-}
diff --git a/src/southbridge/nvidia/mcp55/enable_usbdebug.c b/src/southbridge/nvidia/mcp55/enable_usbdebug.c
index 679a71d7b3..69e085984d 100644
--- a/src/southbridge/nvidia/mcp55/enable_usbdebug.c
+++ b/src/southbridge/nvidia/mcp55/enable_usbdebug.c
@@ -41,7 +41,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
dword |= (port << 12);
pci_write_config32(dev, 0x74, dword);
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
-}
diff --git a/src/southbridge/sis/sis966/enable_usbdebug.c b/src/southbridge/sis/sis966/enable_usbdebug.c
index 428af9429a..6be115e3e5 100644
--- a/src/southbridge/sis/sis966/enable_usbdebug.c
+++ b/src/southbridge/sis/sis966/enable_usbdebug.c
@@ -43,7 +43,3 @@ void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port)
dword |= (port << 12);
pci_write_config32(dev, 0x74, dword);
}
-
-void pci_ehci_dbg_enable(pci_devfn_t dev, unsigned long base)
-{
-}