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authorAngel Pons <th3fanbus@gmail.com>2020-06-21 14:46:35 +0200
committerAngel Pons <th3fanbus@gmail.com>2020-07-06 23:34:21 +0000
commit9ce5bee8c00fc285774af8d8d0ef4d623f9e1473 (patch)
tree8cc651f9e0d62d5955a2685c186b5143475ec7e1
parent6ab28b465a8c1b75003f43ca6e90b3bffcb62497 (diff)
downloadcoreboot-9ce5bee8c00fc285774af8d8d0ef4d623f9e1473.tar.xz
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>
-rw-r--r--src/southbridge/intel/i82801jx/sata.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/southbridge/intel/i82801jx/sata.c b/src/southbridge/intel/i82801jx/sata.c
index 73a7d82bd3..0372460310 100644
--- a/src/southbridge/intel/i82801jx/sata.c
+++ b/src/southbridge/intel/i82801jx/sata.c
@@ -20,9 +20,14 @@ static void sata_enable_ahci_mmap(struct device *const dev, const u8 port_map,
{
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.