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skylake/me: Add debug output of HFST registers 

The ME status is the interpretation of the status registers, but
having the actual status registers printed is important and it doesn't
hurt to show them.

Change-Id: I6ef3401b36fedfa8aed14f4a62bdbec3d8c6d446
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/21960
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Youness Alaoui 2017-09-29 16:40:38 -04:00 committed by Martin Roth
parent 6370e7dfc1
commit e0603e3183
2 changed files with 14 additions and 0 deletions
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2
src/soc/intel/skylake/include/soc/me.h
View File

@ -188,6 +188,8 @@ union me_hfs3 {
} __packed fields;
};
#define PCI_ME_HFSTS4 0x64
#define PCI_ME_HFSTS5 0x68
#define PCI_ME_HFSTS6 0x6c
#define ME_HFS6_FPF_NOT_COMMITTED 0x0
#define ME_HFS6_FPF_ERROR 0x2

12
src/soc/intel/skylake/me.c
View File

@ -232,6 +232,18 @@ void intel_me_status(void)
hfs3.data = me_read_config32(PCI_ME_HFSTS3);
hfs6.data = me_read_config32(PCI_ME_HFSTS6);
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 1 : 0x%08X\n",
hfs.data);
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 2 : 0x%08X\n",
hfs2.data);
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 3 : 0x%08X\n",
hfs3.data);
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 4 : 0x%08X\n",
me_read_config32(PCI_ME_HFSTS4));
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 5 : 0x%08X\n",
me_read_config32(PCI_ME_HFSTS5));
printk(BIOS_DEBUG, "ME: Host Firmware Status Register 6 : 0x%08X\n",
hfs6.data);
/* Check Current States */
printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n",
hfs.fields.fpt_bad ? "BAD" : "OK");