2 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
4 * SPDX-License-Identifier: GPL-2.0+
6 * Refer docs/README.imxmage for more details about how-to configure
7 * and create imximage boot image
9 * The syntax is taken as close as possible with the kwbimage
15 /* Boot Device : sd */
20 #include "asm/arch/iomux.h"
21 #include "asm/arch/crm_regs.h"
23 /* set the default clock gate to save power */
24 DATA 4, CCM_CCGR0, 0x00C03F3F
25 DATA 4, CCM_CCGR1, 0x0030FC03
26 DATA 4, CCM_CCGR2, 0x0FFFC000
27 DATA 4, CCM_CCGR3, 0x3FF00000
28 DATA 4, CCM_CCGR4, 0xFFFFF300 /* enable NAND/GPMI/BCH clocks */
29 DATA 4, CCM_CCGR5, 0x0F0000C3
30 DATA 4, CCM_CCGR6, 0x000003FF
32 /* enable AXI cache for VDOA/VPU/IPU */
33 DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
34 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
35 DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
36 DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
39 * Setup CCM_CCOSR register as follows:
41 * cko1_en = 1 --> CKO1 enabled
42 * cko1_div = 111 --> divide by 8
43 * cko1_sel = 1011 --> ahb_clk_root
45 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
47 DATA 4, CCM_CCOSR, 0x000000fb