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Mon, 02 Sep 2013 22:10:12 +0900 (KST) X-AuditID: cbfee690-b7f3b6d000007a15-3f-52248e346188 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id E1.AE.05832.43E84225; Mon, 02 Sep 2013 22:10:12 +0900 (KST) Received: from localhost.localdomain.com ([107.108.73.95]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MSI00IFJ1WNAS50@mmp1.samsung.com>; Mon, 02 Sep 2013 22:10:12 +0900 (KST) From: Rajeshwari S Shinde To: u-boot@lists.denx.de Date: Mon, 02 Sep 2013 18:41:43 +0530 Message-id: <1378127507-17671-7-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.11.7 In-reply-to: <1378127507-17671-1-git-send-email-rajeshwari.s@samsung.com> References: <1378127507-17671-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMLMWRmVeSWpSXmKPExsWyRsSkWtekTyXI4MlePYtTfx4zWjxcf5PF ouNIC6PFlMNfWCy+bdnGaLH89UZ2i7d7O9kd2D1mN1xk8ViwqdTjzrU9bB5n7+xg9Ojbsoox gDWKyyYlNSezLLVI3y6BK2PpnTVsBb1cFZdm1zUwzuboYuTkkBAwkWh4+4oJwhaTuHBvPVsX IxeHkMBSRokL268xwxR1NZ9kgkgsYpS4cn8tK4TTxSRxZME8li5GDg42oKqNJxJAGkQEJCR+ 9V9lBLGZBRYwSkzoZwexhQVcJNZvesMKYrMIqErcmLwALM4r4CExf/8qFohlihIzljxjBBnJ KeAp0T9VCCQsBFSyb+cZqJJ57BJntztDjBGQ+Db5ENgFEgKyEpsOQJ0sKXFwxQ2WCYzCCxgZ VjGKphYkFxQnpReZ6BUn5haX5qXrJefnbmIEBvjpf88m7GC8d8D6EGMy0LiJzFKiyfnACMkr iTc0NjOyMDUxNTYytzQjTVhJnFe9xTpQSCA9sSQ1OzW1ILUovqg0J7X4ECMTB6dUA+O83o6d y+TsW3r/P2yM8Pa3D5TnELL6spOXzzWs1Fm6Xp+7ceEcpQORDiJR5r7TDbYdu+vlq2rkJhF/ c/Ksy19N9Mxzp51L1j25VdjxyYXFn4rZC863nijoUi+4zMasxLHovc/qncvV3hne3HolQF1z HrPpoQkcnc90sued4Ev9nHyv4WibpxJLcUaioRZzUXEiAP9BrAmGAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrIIsWRmVeSWpSXmKPExsVy+t9jAV2TPpUgg+aTqhan/jxmtHi4/iaL RceRFkaLKYe/sFh827KN0WL5643sFm/3drI7sHvMbrjI4rFgU6nHnWt72DzO3tnB6NG3ZRVj AGtUA6NNRmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJuqq2Si0+ArltmDtAd SgpliTmlQKGAxOJiJX07TBNCQ9x0LWAaI3R9Q4LgeowM0EDCGsaMpXfWsBX0clVcml3XwDib o4uRk0NCwESiq/kkE4QtJnHh3nq2LkYuDiGBRYwSV+6vZYVwupgkjiyYx9LFyMHBBtSx8UQC SIOIgITEr/6rjCA2s8ACRokJ/ewgtrCAi8T6TW9YQWwWAVWJG5MXgMV5BTwk5u9fxQKxTFFi xpJnjCAjOQU8JfqnCoGEhYBK9u08wzKBkXcBI8MqRtHUguSC4qT0XCO94sTc4tK8dL3k/NxN jOAIeia9g3FVg8UhRgEORiUeXoVlykFCrIllxZW5hxglOJiVRHhntKoECfGmJFZWpRblxxeV 5qQWH2JMBjpqIrOUaHI+MLrzSuINjU3MTY1NLU0sTMwsSRNWEuc92GodKCSQnliSmp2aWpBa BLOFiYNTqoFxhd8syZ2l8ebZYg+mNjLtdMll7TacMn95ScXUX/xbrjSI/Hu/aUN2ooin89aS nW+v897i4Thy/M1Kp9JHXW/zE4Mv/mfzcuvj/966ttCJq13muejeK/Xxr3wy5u+w+LX06vyu D/+CdjqHnteZ2Cd7x53hFrPTCcOOidkOj/jOCh5a+SrX/tU+JZbijERDLeai4kQAvLklq+QC AAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Cc: u-boot-review@google.com, patches@linaro.org Subject: [U-Boot] [PATCH 06/10 V2] Exynos5420: Alter UNCON and UFCON for 5420 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Akshay Saraswat This patch modifies UNCON and UFCON values to make s5p serial support exynos5420 by doing following changes: * Enable Rx time-out interrupts. * Make Rx time-out interrupt interval = 32 frame time. * Enable DMA mode. * Enable FIFO. * Make Rx FIFO Trigger level 64, 16 and 4 bytes for channels channels 0, 1 and 2/3 respectively. * Make Tx FIFO Trigger level 32, 8 and 2 bytes for channels channels 0, 1 and 2/3 respectively. Signed-off-by: Rajeshwari S Shinde Signed-off-by: Akshay Saraswat --- Changes in V2: - None drivers/serial/serial_s5p.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c index f98b422..b939084 100644 --- a/drivers/serial/serial_s5p.c +++ b/drivers/serial/serial_s5p.c @@ -107,6 +107,12 @@ int serial_init_dev(const int dev_index) writel(0x3, &uart->ulcon); /* No interrupts, no DMA, pure polling */ writel(0x245, &uart->ucon); + if (proid_is_exynos5420()) { + /* Enable interrupts and Enable DMA mode */ + writel(0x3045, &uart->ucon); + /* enable FIFOs */ + writel(0x111, &uart->ufcon); + } serial_setbrg_dev(dev_index);