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[31.172.191.173]) by smtp.gmail.com with ESMTPSA id h3sm1569222lfj.26.2017.10.27.09.32.41 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 27 Oct 2017 09:32:41 -0700 (PDT) From: Marcin Wojtas To: edk2-devel@lists.01.org Date: Fri, 27 Oct 2017 18:31:49 +0200 Message-Id: <1509121913-12937-7-git-send-email-mw@semihalf.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1509121913-12937-1-git-send-email-mw@semihalf.com> References: <1509121913-12937-1-git-send-email-mw@semihalf.com> Subject: [edk2] [platforms: PATCH v3 06/10] Marvell/Library: MppLib: Take 0xFF placeholders into account X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jinghua@marvell.com, ard.biesheuvel@linaro.org, leif.lindholm@linaro.org, nadavh@marvell.com, neta@marvell.com, kostap@marvell.com MIME-Version: 1.0 Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" From: Ard Biesheuvel The MppSel definition PCDs contain 0xFF placeholders for values that should be left untouched. MppLib needs to be taught how to take those into account. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel Signed-off-by: Marcin Wojtas Reviewed-by: Leif Lindholm --- Platform/Marvell/Library/MppLib/MppLib.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel diff --git a/Platform/Marvell/Library/MppLib/MppLib.c b/Platform/Marvell/Library/MppLib/MppLib.c index 383c820..297725f 100644 --- a/Platform/Marvell/Library/MppLib/MppLib.c +++ b/Platform/Marvell/Library/MppLib/MppLib.c @@ -79,18 +79,24 @@ SetRegisterValue ( BOOLEAN ReverseFlag ) { - UINT32 i, j, CtrlVal; + UINT32 i, j, CtrlVal, CtrlMask, PinIndex; INTN Sign; Sign = ReverseFlag ? -1 : 1; for (i = 0; i < RegCount; i++) { CtrlVal = 0; + CtrlMask = 0; for (j = 0; j < MPP_PINS_PER_REG; j++) { - CtrlVal |= MPP_PIN_VAL(7 * (UINTN) ReverseFlag + j * Sign, - MppRegPcd[i][7 * (UINTN) ReverseFlag + j * Sign]); + + PinIndex = 7 * (UINTN)ReverseFlag + j * Sign; + + if (MppRegPcd[i][PinIndex] != 0xff) { + CtrlVal |= MPP_PIN_VAL(PinIndex, MppRegPcd[i][PinIndex]); + CtrlMask |= MPP_PIN_VAL(PinIndex, 0xf); + } } - MmioWrite32 (BaseAddr + 4 * i * Sign, CtrlVal); + MmioAndThenOr32 (BaseAddr + 4 * i * Sign, ~CtrlMask, CtrlVal); } }