[coreboot-gerrit] Change in coreboot[master]: soc/intel/apollolake: Add support for SPI device
Subrata Banik (Code Review)
gerrit at coreboot.org
Tue Nov 7 13:44:36 CET 2017
Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/22363
Change subject: soc/intel/apollolake: Add support for SPI device
......................................................................
soc/intel/apollolake: Add support for SPI device
Provide a translation table to convert SPI device structure
into SPI bus number and vice versa.
Change-Id: I4c8b23c7d6f289927cd7545f3875ee4352603afa
Signed-off-by: Subrata Banik <subrata.banik at intel.com>
---
M src/soc/intel/apollolake/include/soc/pci_devs.h
1 file changed, 20 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/22363/1
diff --git a/src/soc/intel/apollolake/include/soc/pci_devs.h b/src/soc/intel/apollolake/include/soc/pci_devs.h
index 6aa2520..3b36292 100644
--- a/src/soc/intel/apollolake/include/soc/pci_devs.h
+++ b/src/soc/intel/apollolake/include/soc/pci_devs.h
@@ -158,4 +158,24 @@
#define PCH_DEV_LPC _PCH_DEV(LPC, 0)
#define PCH_DEV_SMBUS _PCH_DEV(LPC, 1)
+static inline int spi_devfn_to_bus(unsigned int devfn)
+{
+ switch (devfn) {
+ case PCH_DEVFN_SPI0: return 0;
+ case PCH_DEVFN_SPI1: return 1;
+ case PCH_DEVFN_SPI2: return 2;
+ }
+ return -1;
+}
+
+static inline int spi_bus_to_devfn(unsigned int bus)
+{
+ switch (bus) {
+ case 0: return PCH_DEVFN_SPI0;
+ case 1: return PCH_DEVFN_SPI1;
+ case 2: return PCH_DEVFN_SPI2;
+ }
+ return -1;
+}
+
#endif
--
To view, visit https://review.coreboot.org/22363
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I4c8b23c7d6f289927cd7545f3875ee4352603afa
Gerrit-Change-Number: 22363
Gerrit-PatchSet: 1
Gerrit-Owner: Subrata Banik <subrata.banik at intel.com>
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