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Mon, 02 Sep 2013 21:13:37 +0900 (KST) X-AuditID: cbfee691-b7f4a6d0000074fc-a0-522480f1ae27 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 89.50.09055.1F084225; Mon, 02 Sep 2013 21:13:37 +0900 (KST) Received: from localhost.localdomain.com ([107.108.73.95]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MSH004D4ZABZW60@mmp2.samsung.com>; Mon, 02 Sep 2013 21:13:37 +0900 (KST) From: Rajeshwari S Shinde To: u-boot@lists.denx.de Date: Mon, 02 Sep 2013 17:45:07 +0530 Message-id: <1378124111-26145-7-git-send-email-rajeshwari.s@samsung.com> X-Mailer: git-send-email 1.7.11.7 In-reply-to: <1378124111-26145-1-git-send-email-rajeshwari.s@samsung.com> References: <1378124111-26145-1-git-send-email-rajeshwari.s@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMLMWRmVeSWpSXmKPExsWyRsSkSvdjg0qQwe+3ahan/jxmtHi4/iaL RceRFkaLKYe/sFh827KN0WL5643sFm/3drI7sHvMbrjI4rFgU6nHnWt72DzO3tnB6NG3ZRVj AGsUl01Kak5mWWqRvl0CV8a9d3tZCr5wVkzbso+xgbGLo4uRg0NCwERi11TeLkZOIFNM4sK9 9WwgtpDAUkaJA13REHETiSlTXrJAxKczSqxsl+li5AKyu5gkJs9oYAGZwwZUtPFEAkiNiICE xK/+q4wgNrPAAkaJCf3sILawgKPE5BN3wGwWAVWJ9uP3mEFsXgEPiTOtz1ggdilKzFjyDKyX U8BT4vucbYwQez0k1hzdwwiyV0JgOrvEhuWrWCEGCUh8m3yIBeIXWYlNB5gh5khKHFxxg2UC o/ACRoZVjKKpBckFxUnpRaZ6xYm5xaV56XrJ+bmbGIEBfvrfs4k7GO8fsD7EmAw0biKzlGhy PjBC8kriDY3NjCxMTUyNjcwtzUgTVhLnVW+xDhQSSE8sSc1OTS1ILYovKs1JLT7EyMTBKdXA KBV8xn5moZP0xVCBYs2dFhv2CzX8nKj3/O3Fta0ZC+7tmjT3Qca0yY3enj9MIkwEOuOYfAxk cgU4VZY3WGevsBHMlPbZZpOefXvCrN/sD06cnW8WtfqA+N6lbYWxhkbr6ovzIr1yTraFnHiV ptWyJpEn4Td/82E+kwMB1hZrJD+6ql3e+3ijEktxRqKhFnNRcSIA5Yjb4YYCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsVy+t9jQd2PDSpBBo9Xy1qc+vOY0eLh+pss Fh1HWhgtphz+wmLxbcs2RovlrzeyW7zd28nuwO4xu+Eii8eCTaUed67tYfM4e2cHo0ffllWM AaxRDYw2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUB3 KCmUJeaUAoUCEouLlfTtME0IDXHTtYBpjND1DQmC6zEyQAMJaxgz7r3by1LwhbNi2pZ9jA2M XRxdjJwcEgImElOmvGSBsMUkLtxbzwZiCwlMZ5RY2S7TxcgFZHcxSUye0QBUxMHBBtSw8UQC SI2IgITEr/6rjCA2s8ACRokJ/ewgtrCAo8TkE3fAbBYBVYn24/eYQWxeAQ+JM63PoHYpSsxY 8gysl1PAU+L7nG2MEHs9JNYc3cM4gZF3ASPDKkbR1ILkguKk9FxDveLE3OLSvHS95PzcTYzg GHomtYNxZYPFIUYBDkYlHt6KFcpBQqyJZcWVuYcYJTiYlUR4G6pVgoR4UxIrq1KL8uOLSnNS iw8xJgNdNZFZSjQ5HxjfeSXxhsYm5qbGppYmFiZmlqQJK4nzHmi1DhQSSE8sSc1OTS1ILYLZ wsTBKdXAeGRt/wIR/sad21T8/TlNZnhP3C23cYrXMavX6lNyHq2VOMbkWVcRnvp7U5bO0c4w oR1LvxZprXF19NKt/8rwjT/o2HXOey7tiyzulKnzXU70iX5zw8ddaa3a6seTcy61zJujXnk8 ecVq/ljnimALheDOatHc0see62OvrXpzz5VhxgRZ4zO9SizFGYmGWsxFxYkA3iwhBuUCAAA= 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] 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 --- 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);