| Marek Vasut | 408368f | 2014-10-24 23:39:07 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 Marek Vasut <marex@denx.de> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | * |
| 6 | * Refer docs/README.imxmage for more details about how-to configure |
| 7 | * and create imximage boot image |
| 8 | * |
| 9 | * The syntax is taken as close as possible with the kwbimage |
| 10 | */ |
| 11 | |
| 12 | /* image version */ |
| 13 | IMAGE_VERSION 2 |
| 14 | |
| 15 | /* Boot Device : sd */ |
| 16 | BOOT_FROM sd |
| 17 | |
| 18 | #define __ASSEMBLY__ |
| 19 | #include <config.h> |
| 20 | #include "asm/arch/iomux.h" |
| 21 | #include "asm/arch/crm_regs.h" |
| 22 | |
| 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 |
| 31 | |
| 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 |
| 37 | |
| 38 | /* |
| 39 | * Setup CCM_CCOSR register as follows: |
| 40 | * |
| 41 | * cko1_en = 1 --> CKO1 enabled |
| 42 | * cko1_div = 111 --> divide by 8 |
| 43 | * cko1_sel = 1011 --> ahb_clk_root |
| 44 | * |
| 45 | * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz |
| 46 | */ |
| 47 | DATA 4, CCM_CCOSR, 0x000000fb |