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authorCédric Le Goater <clg@kaod.org>2019-10-28 08:00:27 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2019-12-17 10:39:47 +1100
commitca661fae81d3b36b72c316a63165d9318dbd2439 (patch)
tree5171d2957f99f67c48132c71de30eff9d7ace561 /include/hw/ppc
parented8da05cdb18a32a8a41165d5b7b367bc05fdab0 (diff)
downloadfocaccia-qemu-ca661fae81d3b36b72c316a63165d9318dbd2439.tar.gz
focaccia-qemu-ca661fae81d3b36b72c316a63165d9318dbd2439.zip
ppc/pnv: Add HIOMAP commands
This activates HIOMAP support on the QEMU PowerNV machine. The PnvPnor
model is used to access the flash contents. The model simply maps the
contents at a fix offset and enables or disables the mapping.

HIOMAP Protocol description :

  https://github.com/openbmc/hiomapd/blob/master/Documentation/protocol.md

Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191028070027.22752-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'include/hw/ppc')
-rw-r--r--include/hw/ppc/pnv.h1
-rw-r--r--include/hw/ppc/pnv_pnor.h5
2 files changed, 6 insertions, 0 deletions
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index 5ecd3ba6ed..07c56c05ad 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -198,6 +198,7 @@ static inline bool pnv_is_power9(PnvMachineState *pnv)
  */
 void pnv_dt_bmc_sensors(IPMIBmc *bmc, void *fdt);
 void pnv_bmc_powerdown(IPMIBmc *bmc);
+int pnv_bmc_hiomap(IPMIBmc *bmc);
 
 /*
  * POWER8 MMIO base addresses
diff --git a/include/hw/ppc/pnv_pnor.h b/include/hw/ppc/pnv_pnor.h
index dec811695c..c3dd28643c 100644
--- a/include/hw/ppc/pnv_pnor.h
+++ b/include/hw/ppc/pnv_pnor.h
@@ -9,6 +9,11 @@
 #ifndef _PPC_PNV_PNOR_H
 #define _PPC_PNV_PNOR_H
 
+/*
+ * PNOR offset on the LPC FW address space
+ */
+#define PNOR_SPI_OFFSET         0x0c000000UL
+
 #define TYPE_PNV_PNOR  "pnv-pnor"
 #define PNV_PNOR(obj)  OBJECT_CHECK(PnvPnor, (obj), TYPE_PNV_PNOR)