Angel Pons submitted this change.
sb/intel/i82801jx/sata.c: Handle ABAR as a resource
Instead of directly reading ABAR without any checking, do like i82801ix
and treat it as a resource. This prevents problems if ABAR is not set.
Change-Id: I4f888b748204860b0a7e1bf5611f5f3e487e8081
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42643
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
---
M src/southbridge/intel/i82801jx/sata.c
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/southbridge/intel/i82801jx/sata.c b/src/southbridge/intel/i82801jx/sata.c
index 73a7d82..0372460 100644
--- a/src/southbridge/intel/i82801jx/sata.c
+++ b/src/southbridge/intel/i82801jx/sata.c
@@ -20,9 +20,14 @@
{
int i;
u32 reg32;
+ struct resource *res;
/* Initialize AHCI memory-mapped space */
- u8 *abar = (u8 *)pci_read_config32(dev, PCI_BASE_ADDRESS_5);
+ res = probe_resource(dev, PCI_BASE_ADDRESS_5);
+ if (!res)
+ return;
+
+ u8 *abar = res2mmio(res, 0, 0);
printk(BIOS_DEBUG, "ABAR: %p\n", abar);
/* Set AHCI access mode.
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