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wdenk281e00a2004-08-01 22:48:16 +00001/*
2 * Copyright (C) 2004 Sascha Hauer, Pengutronix
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17 * MA 02111-1307 USA
18 *
19 */
20
21#include <common.h>
22
23#include <asm/arch/imx-regs.h>
24
25#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
26
27extern void imx_gpio_mode(int gpio_mode);
28
29static void logo_init(void)
30{
31 imx_gpio_mode(PD15_PF_LD0);
32 imx_gpio_mode(PD16_PF_LD1);
33 imx_gpio_mode(PD17_PF_LD2);
34 imx_gpio_mode(PD18_PF_LD3);
35 imx_gpio_mode(PD19_PF_LD4);
36 imx_gpio_mode(PD20_PF_LD5);
37 imx_gpio_mode(PD21_PF_LD6);
38 imx_gpio_mode(PD22_PF_LD7);
39 imx_gpio_mode(PD23_PF_LD8);
40 imx_gpio_mode(PD24_PF_LD9);
41 imx_gpio_mode(PD25_PF_LD10);
42 imx_gpio_mode(PD26_PF_LD11);
43 imx_gpio_mode(PD27_PF_LD12);
44 imx_gpio_mode(PD28_PF_LD13);
45 imx_gpio_mode(PD29_PF_LD14);
46 imx_gpio_mode(PD30_PF_LD15);
47 imx_gpio_mode(PD14_PF_FLM_VSYNC);
48 imx_gpio_mode(PD13_PF_LP_HSYNC);
49 imx_gpio_mode(PD6_PF_LSCLK);
50 imx_gpio_mode(GPIO_PORTD | GPIO_OUT | GPIO_GPIO);
51 imx_gpio_mode(PD11_PF_CONTRAST);
52 imx_gpio_mode(PD10_PF_SPL_SPR);
53
54 LCDC_RMCR = 0x00000000;
55 LCDC_PCR = PCR_COLOR | PCR_PBSIZ_8 | PCR_BPIX_16 | PCR_PCD(5);
56 LCDC_HCR = HCR_H_WIDTH(2);
57 LCDC_VCR = VCR_V_WIDTH(2);
58
59 LCDC_PWMR = 0x00000380; /* contrast to 0x80 middle (is best !!!) */
60 LCDC_SSA = 0x10040000; /* image in flash */
61
62 LCDC_SIZE = SIZE_XMAX(320) | SIZE_YMAX(240); /* screen size */
63
64 LCDC_VPW = 0x000000A0; /* Virtual Page Width Register */
65 LCDC_POS = 0x00000000; /* panning offset 0 (0 pixel offset) */
66
67 /* disable Cursor */
68 LCDC_CPOS = 0x00000000;
69
70 /* fixed burst length */
71 LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2);
72
73 /* enable LCD */
74 DR(3) |= 0x00001000;
75 LCDC_RMCR = RMCR_LCDC_EN;
76
77}
78
79int
80board_init(void)
81{
82 DECLARE_GLOBAL_DATA_PTR;
83
84 gd->bd->bi_arch_number = 470;
85 gd->bd->bi_boot_params = 0x08000100;
86serial_init();
87 logo_init();
88 return 0;
89}
90
91int
92dram_init(void)
93{
94 DECLARE_GLOBAL_DATA_PTR;
95
96#if ( CONFIG_NR_DRAM_BANKS > 0 )
97 gd->bd->bi_dram[0].start = MX1FS2_SDRAM_1;
98 gd->bd->bi_dram[0].size = MX1FS2_SDRAM_1_SIZE;
99#endif
100 return 0;
101}
102
103/**
104 * show_boot_progress: - indicate state of the boot process
105 *
106 * @param status: Status number - see README for details.
107 *
108 */
109
110void
111show_boot_progress(int status)
112{
113 /* We use this as a hook to disable serial ports just before booting
114 * This way we suppress the "uncompressing linux..." message
115 */
116#ifdef CONFIG_SILENT_CONSOLE
117 if( status == 8) {
118 if( getenv("silent") != NULL ) {
119 *(volatile unsigned long *)0x206080 &= ~1;
120 *(volatile unsigned long *)0x207080 &= ~1;
121 }
122 }
123#endif
124 return;
125}