| Sascha Hauer | caebc95 | 2008-03-26 20:41:09 +0100 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| Stefano Babic | 8627111 | 2011-03-14 15:43:56 +0100 | [diff] [blame] | 24 | #include <asm/arch/imx-regs.h> |
| Sascha Hauer | caebc95 | 2008-03-26 20:41:09 +0100 | [diff] [blame] | 25 | |
| 26 | .macro REG reg, val |
| 27 | ldr r2, =\reg |
| 28 | ldr r3, =\val |
| 29 | str r3, [r2] |
| 30 | .endm |
| 31 | |
| 32 | .macro REG8 reg, val |
| 33 | ldr r2, =\reg |
| 34 | ldr r3, =\val |
| 35 | strb r3, [r2] |
| 36 | .endm |
| 37 | |
| 38 | .macro DELAY loops |
| 39 | ldr r2, =\loops |
| 40 | 1: |
| 41 | subs r2, r2, #1 |
| 42 | nop |
| 43 | bcs 1b |
| 44 | .endm |
| 45 | |
| 46 | .globl lowlevel_init |
| 47 | lowlevel_init: |
| 48 | |
| 49 | REG IPU_CONF, IPU_CONF_DI_EN |
| 50 | REG CCM_CCMR, 0x074B0BF5 |
| 51 | |
| 52 | DELAY 0x40000 |
| 53 | |
| 54 | REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE |
| 55 | REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS |
| 56 | |
| Benoît Thébaudeau | 9e0081d | 2012-08-14 08:43:07 +0000 | [diff] [blame] | 57 | REG CCM_PDR0, PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0) |
| Sascha Hauer | caebc95 | 2008-03-26 20:41:09 +0100 | [diff] [blame] | 58 | |
| 59 | REG CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) | PLL_MFN(0x23) |
| 60 | REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) |
| 61 | |
| 62 | REG 0x43FAC26C, 0 /* SDCLK */ |
| 63 | REG 0x43FAC270, 0 /* CAS */ |
| 64 | REG 0x43FAC274, 0 /* RAS */ |
| Magnus Lilja | 83002a7 | 2008-06-09 22:58:48 +0200 | [diff] [blame] | 65 | REG 0x43FAC27C, 0x1000 /* CS2 (CSD0) */ |
| Sascha Hauer | caebc95 | 2008-03-26 20:41:09 +0100 | [diff] [blame] | 66 | REG 0x43FAC284, 0 /* DQM3 */ |
| Magnus Lilja | 83002a7 | 2008-06-09 22:58:48 +0200 | [diff] [blame] | 67 | REG 0x43FAC288, 0 /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ |
| Sascha Hauer | caebc95 | 2008-03-26 20:41:09 +0100 | [diff] [blame] | 68 | REG 0x43FAC28C, 0 |
| 69 | REG 0x43FAC290, 0 |
| 70 | REG 0x43FAC294, 0 |
| 71 | REG 0x43FAC298, 0 |
| 72 | REG 0x43FAC29C, 0 |
| 73 | REG 0x43FAC2A0, 0 |
| 74 | REG 0x43FAC2A4, 0 |
| 75 | REG 0x43FAC2A8, 0 |
| 76 | REG 0x43FAC2AC, 0 |
| 77 | REG 0x43FAC2B0, 0 |
| 78 | REG 0x43FAC2B4, 0 |
| 79 | REG 0x43FAC2B8, 0 |
| 80 | REG 0x43FAC2BC, 0 |
| 81 | REG 0x43FAC2C0, 0 |
| 82 | REG 0x43FAC2C4, 0 |
| 83 | REG 0x43FAC2C8, 0 |
| 84 | REG 0x43FAC2CC, 0 |
| 85 | REG 0x43FAC2D0, 0 |
| 86 | REG 0x43FAC2D4, 0 |
| 87 | REG 0x43FAC2D8, 0 |
| 88 | REG 0x43FAC2DC, 0 |
| 89 | REG 0xB8001010, 0x00000004 |
| 90 | REG 0xB8001004, 0x006ac73a |
| 91 | REG 0xB8001000, 0x92100000 |
| 92 | REG 0x80000f00, 0x12344321 |
| 93 | REG 0xB8001000, 0xa2100000 |
| 94 | REG 0x80000000, 0x12344321 |
| 95 | REG 0x80000000, 0x12344321 |
| 96 | REG 0xB8001000, 0xb2100000 |
| 97 | REG8 0x80000033, 0xda |
| 98 | REG8 0x81000000, 0xff |
| 99 | REG 0xB8001000, 0x82226080 |
| 100 | REG 0x80000000, 0xDEADBEEF |
| 101 | REG 0xB8001010, 0x0000000c |
| 102 | |
| 103 | mov pc, lr |