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Sascha Hauercaebc952008-03-26 20:41:09 +01001/*
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 Babic86271112011-03-14 15:43:56 +010024#include <asm/arch/imx-regs.h>
Sascha Hauercaebc952008-03-26 20:41:09 +010025
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
401:
41 subs r2, r2, #1
42 nop
43 bcs 1b
44.endm
45
46.globl lowlevel_init
47lowlevel_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
57 REG CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)
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 Lilja83002a72008-06-09 22:58:48 +020065 REG 0x43FAC27C, 0x1000 /* CS2 (CSD0) */
Sascha Hauercaebc952008-03-26 20:41:09 +010066 REG 0x43FAC284, 0 /* DQM3 */
Magnus Lilja83002a72008-06-09 22:58:48 +020067 REG 0x43FAC288, 0 /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */
Sascha Hauercaebc952008-03-26 20:41:09 +010068 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