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186fc4db AW |
1 | /* |
2 | * Copyright 2010-2012 Freescale Semiconductor, Inc. | |
3 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
186fc4db AW |
6 | */ |
7 | ||
8 | #include <common.h> | |
9 | #include <spi.h> | |
10 | #include <asm/io.h> | |
11 | #include <asm/immap.h> | |
12 | #include <mmc.h> | |
13 | #include <fsl_esdhc.h> | |
14 | ||
15 | DECLARE_GLOBAL_DATA_PTR; | |
16 | ||
17 | int checkboard(void) | |
18 | { | |
19 | /* | |
20 | * need to to: | |
21 | * Check serial flash size. if 2mb evb, else 8mb demo | |
22 | */ | |
23 | puts("Board: "); | |
24 | puts("Freescale MCF54418 Tower System\n"); | |
25 | return 0; | |
26 | }; | |
27 | ||
28 | phys_size_t initdram(int board_type) | |
29 | { | |
30 | u32 dramsize; | |
31 | ||
32 | #if defined(CONFIG_SERIAL_BOOT) | |
33 | /* | |
34 | * Serial Boot: The dram is already initialized in start.S | |
35 | * only require to return DRAM size | |
36 | */ | |
37 | dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; | |
38 | #else | |
39 | sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM); | |
40 | ccm_t *ccm = (ccm_t *)MMAP_CCM; | |
41 | gpio_t *gpio = (gpio_t *) MMAP_GPIO; | |
42 | pm_t *pm = (pm_t *) MMAP_PM; | |
43 | u32 i; | |
44 | ||
45 | dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; | |
46 | ||
47 | for (i = 0x13; i < 0x20; i++) { | |
48 | if (dramsize == (1 << i)) | |
49 | break; | |
50 | } | |
51 | ||
52 | out_8(&pm->pmcr0, 0x2E); | |
53 | out_8(&gpio->mscr_sdram, 1); | |
54 | ||
55 | clrbits_be16(&ccm->misccr2, CCM_MISCCR2_FBHALF); | |
56 | setbits_be16(&ccm->misccr2, CCM_MISCCR2_DDR2CLK); | |
57 | ||
58 | out_be32(&sdram->rcrcr, 0x40000000); | |
59 | out_be32(&sdram->padcr, 0x01030203); | |
60 | ||
61 | out_be32(&sdram->cr00, 0x01010101); | |
62 | out_be32(&sdram->cr01, 0x00000101); | |
63 | out_be32(&sdram->cr02, 0x01010100); | |
64 | out_be32(&sdram->cr03, 0x01010000); | |
65 | out_be32(&sdram->cr04, 0x00010101); | |
66 | out_be32(&sdram->cr06, 0x00010100); | |
67 | out_be32(&sdram->cr07, 0x00000001); | |
68 | out_be32(&sdram->cr08, 0x01000001); | |
69 | out_be32(&sdram->cr09, 0x00000100); | |
70 | out_be32(&sdram->cr10, 0x00010001); | |
71 | out_be32(&sdram->cr11, 0x00000200); | |
72 | out_be32(&sdram->cr12, 0x01000002); | |
73 | out_be32(&sdram->cr13, 0x00000000); | |
74 | out_be32(&sdram->cr14, 0x00000100); | |
75 | out_be32(&sdram->cr15, 0x02000100); | |
76 | out_be32(&sdram->cr16, 0x02000407); | |
77 | out_be32(&sdram->cr17, 0x02030007); | |
78 | out_be32(&sdram->cr18, 0x02000100); | |
79 | out_be32(&sdram->cr19, 0x0A030203); | |
80 | out_be32(&sdram->cr20, 0x00020708); | |
81 | out_be32(&sdram->cr21, 0x00050008); | |
82 | out_be32(&sdram->cr22, 0x04030002); | |
83 | out_be32(&sdram->cr23, 0x00000004); | |
84 | out_be32(&sdram->cr24, 0x020A0000); | |
85 | out_be32(&sdram->cr25, 0x0C00000E); | |
86 | out_be32(&sdram->cr26, 0x00002004); | |
87 | out_be32(&sdram->cr28, 0x00100010); | |
88 | out_be32(&sdram->cr29, 0x00100010); | |
89 | out_be32(&sdram->cr31, 0x07990000); | |
90 | out_be32(&sdram->cr40, 0x00000000); | |
91 | out_be32(&sdram->cr41, 0x00C80064); | |
92 | out_be32(&sdram->cr42, 0x44520002); | |
93 | out_be32(&sdram->cr43, 0x00C80023); | |
94 | out_be32(&sdram->cr45, 0x0000C350); | |
95 | out_be32(&sdram->cr56, 0x04000000); | |
96 | out_be32(&sdram->cr57, 0x03000304); | |
97 | out_be32(&sdram->cr58, 0x40040000); | |
98 | out_be32(&sdram->cr59, 0xC0004004); | |
99 | out_be32(&sdram->cr60, 0x0642C000); | |
100 | out_be32(&sdram->cr61, 0x00000642); | |
101 | asm("tpf"); | |
102 | ||
103 | out_be32(&sdram->cr09, 0x01000100); | |
104 | ||
105 | udelay(100); | |
106 | #endif | |
107 | return dramsize; | |
108 | }; | |
109 | ||
110 | int testdram(void) | |
111 | { | |
112 | return 0; | |
113 | } |