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authorNicolas Reinecke <nr@das-labor.org>2015-01-29 15:48:27 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2015-01-31 07:20:15 +0100
commit6d1158f3a91c172a216ab88ea426844f8cc8233e (patch)
tree3ce6d4dacc4610bcdece237110d6b78cdecde5be /src/southbridge/intel/bd82x6x
parent266971c1cd1891a41bcca6c25e95530c41c703fb (diff)
southbridge/intel/bd82x6x native usb init: replace some magic values
Some magic numbers are documented in the PCH datasheet so use them. Change-Id: I15b58ff99b3bc11ac437e5ea74f4f01b7c02032a Signed-off-by: Nicolas Reinecke <nr@das-labor.org> Reviewed-on: http://review.coreboot.org/8307 Tested-by: build bot (Jenkins) Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/southbridge/intel/bd82x6x')
-rw-r--r--src/southbridge/intel/bd82x6x/early_usb_native.c8
-rw-r--r--src/southbridge/intel/bd82x6x/pch.h6
2 files changed, 10 insertions, 4 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_usb_native.c b/src/southbridge/intel/bd82x6x/early_usb_native.c
index b1f84471c0..b8247c6025 100644
--- a/src/southbridge/intel/bd82x6x/early_usb_native.c
+++ b/src/southbridge/intel/bd82x6x/early_usb_native.c
@@ -33,7 +33,7 @@ early_usb_init (const struct southbridge_usb_port *portmap)
/* 3560 */ 0x024c8001, 0x000024a3, 0x00040002, 0x01000050,
/* 3570 */ 0x02000772, 0x16000f9f, 0x1800ff4f, 0x0001d630,
};
- const u32 currents[] = { 0x20000153, 0x20000f57, 0x2000055b, 0x20000f51 , 0x2000094a, 0x2000035f };
+ const u32 currents[] = { 0x20000153, 0x20000f57, 0x2000055b, 0x20000f51, 0x2000094a, 0x2000035f };
int i;
/* Activate PMBAR. */
pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1);
@@ -56,17 +56,17 @@ early_usb_init (const struct southbridge_usb_port *portmap)
for (i = 0; i < 14; i++)
if (!portmap[i].enabled)
reg32 |= (1 << i);
- write32 (DEFAULT_RCBABASE | 0x359c, reg32);
+ write32 (DEFAULT_RCBABASE | USBPDO, reg32);
reg32 = 0;
for (i = 0; i < 8; i++)
if (portmap[i].enabled && portmap[i].oc_pin >= 0)
reg32 |= (1 << (i + 8 * portmap[i].oc_pin));
- write32 (DEFAULT_RCBABASE | 0x35a0, reg32);
+ write32 (DEFAULT_RCBABASE | USBOCM1, reg32);
reg32 = 0;
for (i = 8; i < 14; i++)
if (portmap[i].enabled && portmap[i].oc_pin >= 4)
reg32 |= (1 << (i - 8 + 8 * (portmap[i].oc_pin - 4)));
- write32 (DEFAULT_RCBABASE | 0x35a4, reg32);
+ write32 (DEFAULT_RCBABASE | USBOCM2, reg32);
for (i = 0; i < 22; i++)
write32 (DEFAULT_RCBABASE | (0x35a8 + 4 * i), 0);
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 7cde7bc9c9..cfdea7c979 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -438,6 +438,12 @@ early_usb_init (const struct southbridge_usb_port *portmap);
#define PCH_DISABLE_MEI1 (1 << 1)
#define PCH_ENABLE_DBDF (1 << 0)
+/* USB Port Disable Override */
+#define USBPDO 0x359c /* 32bit */
+/* USB Overcurrent MAP Register */
+#define USBOCM1 0x35a0 /* 32bit */
+#define USBOCM2 0x35a4 /* 32bit */
+
/* ICH7 GPIOBASE */
#define GPIO_USE_SEL 0x00
#define GP_IO_SEL 0x04