[coreboot-gerrit] New patch to review for coreboot: f21e33a libpayload: arch/mips: add virt/bus/phy_to_bus/phy/virt operations
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Wed Mar 18 13:05:54 CET 2015
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8746
-gerrit
commit f21e33a8f15f5223b4de56cb8017beee8560bfa7
Author: Ionela Voinescu <ionela.voinescu at imgtec.com>
Date: Mon Feb 2 14:48:12 2015 +0000
libpayload: arch/mips: add virt/bus/phy_to_bus/phy/virt operations
BUG=chrome-os-partner:31438
TEST=tested on Pistachio FPGA and bring up board; works as
expected
BRANCH=none
Change-Id: I368494f388b82969dda0ce73a38824791efce616
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: e4c2bbcbdbcf706062724cffe2d5f15953468ace
Original-Change-Id: Id5c9b1d65c6ec87f2aba06995dc940c50afb041f
Original-Signed-off-by: Ionela Voinescu <ionela.voinescu at imgtec.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/245386
Original-Reviewed-by: David Hendricks <dhendrix at chromium.org>
---
payloads/libpayload/arch/mips/virtual.c | 3 ++-
payloads/libpayload/include/mips/arch/virtual.h | 13 ++++++++-----
2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/payloads/libpayload/arch/mips/virtual.c b/payloads/libpayload/arch/mips/virtual.c
index 9d22649..5c110d0 100644
--- a/payloads/libpayload/arch/mips/virtual.c
+++ b/payloads/libpayload/arch/mips/virtual.c
@@ -19,7 +19,8 @@
#include <unistd.h>
-unsigned long virtual_offset = 0;
+unsigned long virt_to_phys_offset = 0;
+unsigned long virt_to_bus_offset = 0x60000000;
int getpagesize(void)
{
diff --git a/payloads/libpayload/include/mips/arch/virtual.h b/payloads/libpayload/include/mips/arch/virtual.h
index 70aea20..f470393 100644
--- a/payloads/libpayload/include/mips/arch/virtual.h
+++ b/payloads/libpayload/include/mips/arch/virtual.h
@@ -20,12 +20,15 @@
#ifndef __MIPS_ARCH_VIRTUAL_H
#define __MIPS_ARCH_VIRTUAL_H
-extern unsigned long virtual_offset;
+extern unsigned long virt_to_phys_offset;
+extern unsigned long virt_to_bus_offset;
-#define virt_to_phys(virt) ((unsigned long) (virt) + virtual_offset)
-#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - virtual_offset))
+#define virt_to_phys(virt) ((unsigned long) (virt) + virt_to_phys_offset)
+#define phys_to_virt(phys) ((void *) ((unsigned long) (phys) - \
+ virt_to_phys_offset))
-#define virt_to_bus(addr) virt_to_phys(addr)
-#define bus_to_virt(addr) phys_to_virt(addr)
+#define virt_to_bus(virt) ((unsigned long) (virt) + virt_to_bus_offset)
+#define bus_to_virt(phys) ((void *) ((unsigned long) (phys) - \
+ virt_to_bus_offset))
#endif
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