diff options
author | Ed Tanous <ed.tanous@intel.com> | 2019-02-14 03:51:50 +0300 |
---|---|---|
committer | Ed Tanous <ed.tanous@intel.com> | 2019-03-13 00:58:57 +0300 |
commit | a7715486507e75e4a7cee843a48067b15595defa (patch) | |
tree | 9fd209d468c42cfb6553a50e2523c1d7e1fb120a /meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch | |
parent | 9b44ea7e2de71224bce792654cab12b7a5ceaa7d (diff) | |
download | openbmc-a7715486507e75e4a7cee843a48067b15595defa.tar.xz |
Initial commit of intel repository
Signed-off-by: Ed Tanous <ed.tanous@intel.com>
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch')
-rw-r--r-- | meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch new file mode 100644 index 000000000..bdf3d2ddd --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-bsp/u-boot/files/0020-Enable-PCIe-L1-support.patch @@ -0,0 +1,38 @@ +From 22c61ba094d8ebdbdcb44f848eef1f5d87a4be87 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Tue, 8 Jan 2019 13:33:15 -0800 +Subject: [PATCH] Enable PCIe L1 support + +This commit enables PCIe L1 support using magic registers. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + arch/arm/mach-aspeed/platform_g5.S | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/arch/arm/mach-aspeed/platform_g5.S b/arch/arm/mach-aspeed/platform_g5.S +index 66427b6f33e7..b4043534b083 100644 +--- a/arch/arm/mach-aspeed/platform_g5.S ++++ b/arch/arm/mach-aspeed/platform_g5.S +@@ -2432,6 +2432,18 @@ spi_cbr_end: + bic r1, r1, #0x00400000 + str r1, [r0] + ++ ldr r0, =0x1e6ed07c @ Enable PCIe L1 support ++ ldr r1, =0xa8 ++ str r1, [r0] ++ ++ ldr r0, =0x1e6ed068 ++ ldr r1, =0xc81f0a ++ str r1, [r0] ++ ++ ldr r0, =0x1e6ed07c ++ mov r1, #0 ++ str r1, [r0] ++ + /****************************************************************************** + Configure MAC timing + ******************************************************************************/ +-- +2.7.4 + |