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authorFabio Estevam <fabio.estevam@freescale.com>2014-01-03 15:55:58 -0200
committerStefano Babic <sbabic@denx.de>2014-01-15 10:33:25 +0100
commit3a21773129f6ef218f1978d05a1a5d5cf6801ab6 (patch)
treecc0839f6d06048b4ef9a1d292316798b77ebc6b6 /board/solidrun/mx6-microsom/clocks.cfg
parent5f98d0b5d3038cb3345712bc779efacaba4322f7 (diff)
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mx6: Add initial support for the Hummingboard solo
SolidRun has designed the Hummingboard board based on mx6q/dl/solo. Add the initial support for the mx6 solo variant. More information about this hardware can be found at: http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware (Carrier-One was the previous name of Hummingboard). Based on the work from Jon Nettleton <jon.nettleton@gmail.com>. Signed-off-by: Jon Nettleton <jon.nettleton@gmail.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board/solidrun/mx6-microsom/clocks.cfg')
-rw-r--r--board/solidrun/mx6-microsom/clocks.cfg33
1 files changed, 33 insertions, 0 deletions
diff --git a/board/solidrun/mx6-microsom/clocks.cfg b/board/solidrun/mx6-microsom/clocks.cfg
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index 0000000000..12888113fb
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+++ b/board/solidrun/mx6-microsom/clocks.cfg
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+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2013 SolidRun ltd.
+ * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* set the default clock gate to save power */
+DATA 4, CCM_CCGR0, 0x00C03F3F
+DATA 4, CCM_CCGR1, 0x0030FC03
+DATA 4, CCM_CCGR2, 0x0FFFC000
+DATA 4, CCM_CCGR3, 0x3FF00000
+DATA 4, CCM_CCGR4, 0x00FFF300
+DATA 4, CCM_CCGR5, 0x0F0000C3
+DATA 4, CCM_CCGR6, 0x000003FF
+
+/* enable AXI cache for VDOA/VPU/IPU */
+DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
+/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
+DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
+
+/*
+ * Setup CCM_CCOSR register as follows:
+ *
+ * cko1_en = 1 --> CKO1 enabled
+ * cko1_div = 111 --> divide by 8
+ * cko1_sel = 1011 --> ahb_clk_root
+ *
+ * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
+ */
+DATA 4, CCM_CCOSR, 0x000000fb
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