From: Marcin Wojtas <mw@semihalf.com>
To: edk2-devel@lists.01.org
Cc: leif.lindholm@linaro.org, ard.biesheuvel@linaro.org,
nadavh@marvell.com, neta@marvell.com, kostap@marvell.com,
jinghua@marvell.com, mw@semihalf.com, jsd@semihalf.com
Subject: [platforms: PATCH 04/13] Marvell/Armada: Armada70x0Lib: Clean FV in the D-cache before boot
Date: Mon, 9 Oct 2017 19:00:53 +0200 [thread overview]
Message-ID: <1507568462-28775-5-git-send-email-mw@semihalf.com> (raw)
In-Reply-To: <1507568462-28775-1-git-send-email-mw@semihalf.com>
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To prevent cache coherency issues when chainloading via U-Boot, clean
and invalidate the FV image in the caches before re-enabling the MMU.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
---
Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S | 15 +++++++++++++++
Platform/Marvell/Armada/Library/Armada70x0Lib/Armada70x0Lib.inf | 3 +++
2 files changed, 18 insertions(+)
diff --git a/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S b/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
index 72f8cfc..7544361 100644
--- a/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
+++ b/Platform/Marvell/Armada/Library/Armada70x0Lib/AArch64/ArmPlatformHelper.S
@@ -17,6 +17,21 @@
ASM_FUNC(ArmPlatformPeiBootAction)
mov x29, xzr
+
+ MOV32 (x0, FixedPcdGet64 (PcdFvBaseAddress))
+ MOV32 (x3, FixedPcdGet32 (PcdFvSize))
+ add x3, x3, x0
+
+ mrs x1, ctr_el0
+ and x1, x1, #0xf // Dminline
+ mov x2, #4
+ lsl x1, x2, x1 // by-VA stride for D-cache maintenance
+
+0:dc civac, x0
+ add x0, x0, x1
+ cmp x0, x3
+ b.lt 0b
+
ret
//UINTN
diff --git a/Platform/Marvell/Armada/Library/Armada70x0Lib/Armada70x0Lib.inf b/Platform/Marvell/Armada/Library/Armada70x0Lib/Armada70x0Lib.inf
index 2e198c3..6966683 100644
--- a/Platform/Marvell/Armada/Library/Armada70x0Lib/Armada70x0Lib.inf
+++ b/Platform/Marvell/Armada/Library/Armada70x0Lib/Armada70x0Lib.inf
@@ -67,5 +67,8 @@
gArmTokenSpaceGuid.PcdArmPrimaryCoreMask
gArmTokenSpaceGuid.PcdArmPrimaryCore
+ gArmTokenSpaceGuid.PcdFvBaseAddress
+ gArmTokenSpaceGuid.PcdFvSize
+
[Ppis]
gArmMpCoreInfoPpiGuid
--
1.8.3.1
next prev parent reply other threads:[~2017-10-09 16:50 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-09 17:00 [platforms: PATCH 00/13] Armada 7k/8k - misc improvements Marcin Wojtas
2017-10-09 17:00 ` [platforms: PATCH 01/13] Marvell/Armada: Introduce platform initialization driver Marcin Wojtas
2017-10-10 14:37 ` Leif Lindholm
2017-10-10 14:45 ` Marcin Wojtas
2017-10-10 15:03 ` Leif Lindholm
2017-10-10 15:06 ` Marcin Wojtas
2017-10-10 15:26 ` Leif Lindholm
2017-10-10 20:36 ` Ard Biesheuvel
2017-10-11 4:53 ` Marcin Wojtas
2017-10-11 8:32 ` Leif Lindholm
2017-10-11 8:43 ` Marcin Wojtas
2017-10-11 9:14 ` Leif Lindholm
2017-10-11 9:16 ` Marcin Wojtas
2017-10-09 17:00 ` [platforms: PATCH 02/13] Marvell/Armada: Switch to dynamic PCDs Marcin Wojtas
2017-10-10 14:38 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 03/13] Marvell/Armada: Armada70x0Lib: Terminate call stack list at entry Marcin Wojtas
2017-10-10 14:39 ` Leif Lindholm
2017-10-09 17:00 ` Marcin Wojtas [this message]
2017-10-10 14:43 ` [platforms: PATCH 04/13] Marvell/Armada: Armada70x0Lib: Clean FV in the D-cache before boot Leif Lindholm
2017-10-10 14:50 ` Marcin Wojtas
2017-10-10 15:29 ` Leif Lindholm
2017-10-10 20:39 ` Ard Biesheuvel
2017-10-09 17:00 ` [platforms: PATCH 05/13] Marvell/Armada: Use 4k/64k aligned sections for DXE/DXE-rt modules Marcin Wojtas
2017-10-10 14:44 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 06/13] Marvell/Armada: Switch to generic BDS Marcin Wojtas
2017-10-10 14:45 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 07/13] Marvell/Armada: Re-enable driver model diagnostics PCDs Marcin Wojtas
2017-10-10 14:46 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 08/13] Marvell/Armada: Modify GICC alias Marcin Wojtas
2017-10-10 14:53 ` Leif Lindholm
2017-10-10 14:56 ` Marcin Wojtas
2017-10-10 20:45 ` Ard Biesheuvel
2017-10-10 21:10 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 09/13] Marvell/Armada: Disable PerformanceLibrary Marcin Wojtas
2017-10-10 14:54 ` Leif Lindholm
2017-10-09 17:00 ` [platforms: PATCH 10/13] Marvell/Armada: Switch to unicore PrePi Marcin Wojtas
2017-10-10 14:54 ` Leif Lindholm
2017-10-09 17:01 ` [platforms: PATCH 11/13] Marvell/Armada: Remove outdated SEC alignment override Marcin Wojtas
2017-10-10 14:58 ` Leif Lindholm
2017-10-10 15:03 ` Marcin Wojtas
2017-10-09 17:01 ` [platforms: PATCH 12/13] Marvell/Armada: Add the UefiPxeBcDxe driver Marcin Wojtas
2017-10-10 14:59 ` Leif Lindholm
2017-10-09 17:01 ` [platforms: PATCH 13/13] Marvell/Documentation: Follow EDK2 coding style in the PortingGuide Marcin Wojtas
2017-10-10 14:59 ` Leif Lindholm
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