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5ad86216 SH |
1 | /* |
2 | * | |
3 | * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
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6 | */ |
7 | ||
86271115 | 8 | #include <asm/arch/imx-regs.h> |
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9 | |
10 | .macro REG reg, val | |
11 | ldr r2, =\reg | |
12 | ldr r3, =\val | |
13 | str r3, [r2] | |
14 | .endm | |
15 | ||
16 | .macro REG8 reg, val | |
17 | ldr r2, =\reg | |
18 | ldr r3, =\val | |
19 | strb r3, [r2] | |
20 | .endm | |
21 | ||
22 | .macro DELAY loops | |
23 | ldr r2, =\loops | |
24 | 1: | |
25 | subs r2, r2, #1 | |
26 | nop | |
27 | bcs 1b | |
28 | .endm | |
29 | ||
30 | .globl lowlevel_init | |
31 | lowlevel_init: | |
32 | ||
33 | REG IPU_CONF, IPU_CONF_DI_EN | |
34 | REG CCM_CCMR, 0x074B0BF5 | |
35 | ||
36 | DELAY 0x40000 | |
37 | ||
38 | REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE | |
39 | REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS | |
40 | ||
9e0081d5 | 41 | REG CCM_PDR0, PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) | PDR0_MCU_PODF(0) |
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42 | |
43 | REG CCM_MPCTL, PLL_PD(0) | PLL_MFD(0xe) | PLL_MFI(9) | PLL_MFN(0xd) | |
44 | ||
45 | REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(0x43) | PLL_MFI(12) | PLL_MFN(1) | |
46 | ||
47 | REG 0x43FAC26C, 0 /* SDCLK */ | |
48 | REG 0x43FAC270, 0 /* CAS */ | |
49 | REG 0x43FAC274, 0 /* RAS */ | |
83002a77 | 50 | REG 0x43FAC27C, 0x1000 /* CS2 (CSD0) */ |
5ad86216 | 51 | REG 0x43FAC284, 0 /* DQM3 */ |
83002a77 | 52 | REG 0x43FAC288, 0 /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ |
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53 | REG 0x43FAC28C, 0 |
54 | REG 0x43FAC290, 0 | |
55 | REG 0x43FAC294, 0 | |
56 | REG 0x43FAC298, 0 | |
57 | REG 0x43FAC29C, 0 | |
58 | REG 0x43FAC2A0, 0 | |
59 | REG 0x43FAC2A4, 0 | |
60 | REG 0x43FAC2A8, 0 | |
61 | REG 0x43FAC2AC, 0 | |
62 | REG 0x43FAC2B0, 0 | |
63 | REG 0x43FAC2B4, 0 | |
64 | REG 0x43FAC2B8, 0 | |
65 | REG 0x43FAC2BC, 0 | |
66 | REG 0x43FAC2C0, 0 | |
67 | REG 0x43FAC2C4, 0 | |
68 | REG 0x43FAC2C8, 0 | |
69 | REG 0x43FAC2CC, 0 | |
70 | REG 0x43FAC2D0, 0 | |
71 | REG 0x43FAC2D4, 0 | |
72 | REG 0x43FAC2D8, 0 | |
73 | REG 0x43FAC2DC, 0 | |
74 | REG 0xB8001010, 0x00000004 | |
75 | REG 0xB8001004, 0x006ac73a | |
76 | REG 0xB8001000, 0x92100000 | |
77 | REG 0x80000f00, 0x12344321 | |
78 | REG 0xB8001000, 0xa2100000 | |
79 | REG 0x80000000, 0x12344321 | |
80 | REG 0x80000000, 0x12344321 | |
81 | REG 0xB8001000, 0xb2100000 | |
82 | REG8 0x80000033, 0xda | |
83 | REG8 0x81000000, 0xff | |
84 | REG 0xB8001000, 0x82226080 | |
85 | REG 0x80000000, 0xDEADBEEF | |
86 | REG 0xB8001010, 0x0000000c | |
87 | ||
88 | mov pc, lr |