Change in coreboot[master]: sb/intel/ibexpeak/sata.c: support hotplug

[Maccraft123 (Code Review)]

Maccraft123 has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40330 )

Change subject: sb/intel/ibexpeak/sata.c: support hotplug
......................................................................

sb/intel/ibexpeak/sata.c: support hotplug

This patch adds hotplug support without need to manually rescan AHCI
devices

Change-Id: Ia2cc1209c99bea35abdf831875ebb287260bdb1f
Signed-off-by: Maciej Matuszczyk 
---
M src/southbridge/intel/ibexpeak/sata.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/30/40330/1

diff --git a/src/southbridge/intel/ibexpeak/sata.c b/src/southbridge/intel/ibexpeak/sata.c
index 3a7bdb6..f693b53 100644
--- a/src/southbridge/intel/ibexpeak/sata.c
+++ b/src/southbridge/intel/ibexpeak/sata.c
@@ -115,6 +115,10 @@
    	reg32 = read32(abar + 0x28);
    	reg32 &= ~0x00000005;
    	write32(abar + 0x28, reg32);
+		/* Enable hotplug on ports specified in devicetree */
+		reg32 = read32(abar + 0x198);
+		reg32 |= (config->sata_hotplug_port_one << 18); // Hot Plug Capable Port (HPCP)—R/WO.
+		write32(abar + 0x198, reg32);
    } else {
    	/* IDE */
    	printk(BIOS_DEBUG, "SATA: Controller in plain mode.\n");