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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>
This commit is contained in:
Angel Pons 2020-06-21 14:46:35 +02:00
parent 6ab28b465a
commit 9ce5bee8c0
1 changed files with 6 additions and 1 deletions
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7
src/southbridge/intel/i82801jx/sata.c
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@ -20,9 +20,14 @@ static void sata_enable_ahci_mmap(struct device *const dev, const u8 port_map,
{ {
int i; int i;
u32 reg32; u32 reg32;
struct resource *res;
/* Initialize AHCI memory-mapped space */ /* 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); printk(BIOS_DEBUG, "ABAR: %p\n", abar);
/* Set AHCI access mode. /* Set AHCI access mode.