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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-24 09:27:28 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-08-22 15:26:52 +1000 |
| commit | 1fc31333f478ed92aa97079cf2d333b06ccf5f27 (patch) | |
| tree | 1004140728ab8737d72bec8c13e61ea71219c23a | |
| parent | b7aa01a834ee072eac1c61dbf72334c7405d0327 (diff) | |
| download | skiboot-1fc31333f478ed92aa97079cf2d333b06ccf5f27.zip skiboot-1fc31333f478ed92aa97079cf2d333b06ccf5f27.tar.gz skiboot-1fc31333f478ed92aa97079cf2d333b06ccf5f27.tar.bz2 | |
chip: Add a quirk for when core direct control XSCOMs are missing
Those will be needed by fast reboot. For now, mark qemu and mambo
as not having them.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
| -rw-r--r-- | core/chip.c | 6 | ||||
| -rw-r--r-- | include/chip.h | 1 |
2 files changed, 5 insertions, 2 deletions
diff --git a/core/chip.c b/core/chip.c index 5ac5d62..ea775ef 100644 --- a/core/chip.c +++ b/core/chip.c @@ -79,7 +79,8 @@ void init_chips(void) /* Detect mambo chip */ if (dt_find_by_path(dt_root, "/mambo")) { proc_chip_quirks |= QUIRK_NO_CHIPTOD | QUIRK_MAMBO_CALLOUTS - | QUIRK_NO_F000F | QUIRK_NO_PBA | QUIRK_NO_OCC_IRQ; + | QUIRK_NO_F000F | QUIRK_NO_PBA | QUIRK_NO_OCC_IRQ + | QUIRK_NO_DIRECT_CTL; prlog(PR_NOTICE, "CHIP: Detected Mambo simulator\n"); } /* Detect simics */ @@ -98,7 +99,8 @@ void init_chips(void) } /* Detect Qemu */ if (dt_node_is_compatible(dt_root, "qemu,powernv")) { - proc_chip_quirks |= QUIRK_NO_CHIPTOD | QUIRK_NO_PBA; + proc_chip_quirks |= QUIRK_NO_CHIPTOD | QUIRK_NO_PBA + | QUIRK_NO_DIRECT_CTL; prlog(PR_NOTICE, "CHIP: Detected Qemu simulator\n"); } diff --git a/include/chip.h b/include/chip.h index 77bc5cf..784faf8 100644 --- a/include/chip.h +++ b/include/chip.h @@ -130,6 +130,7 @@ enum proc_chip_quirks { QUIRK_NO_OCC_IRQ = 0x00000010, QUIRK_SIMICS = 0x00000020, QUIRK_SLOW_SIM = 0x00000040, + QUIRK_NO_DIRECT_CTL = 0x00000080, } proc_chip_quirks; static inline bool chip_quirk(unsigned int q) |