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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 461fa68d20861811487944d22291db5a13410e20 / . / board / mpr2 / mpr2.c
blob: 98557b400bb23e582cbb2c9c52ff0f49c3e3ffdd [file] [log] [blame]
Mark Jonas3313e0e2008-03-10 11:37:10 +0100[diff] [blame]1/*
2 * Copyright (C) 2008
3 * Mark Jonas <mark.jonas@de.bosch.com>
4 *
5 * board/mpr2/mpr2.c
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <common.h>
24#include <asm/io.h>
25#include <asm/processor.h>
26
27int checkboard(void)
28{
29 puts("BOARD: MPR2\n");
30 return 0;
31}
32
33int board_init(void)
34{
35 /*
36 * For MPR2 A.3 through A.7
37 */
38
39 /* CS2: Ethernet (0xA8000000 - 0xABFFFFFF) */
40 __raw_writel(0x36db0400, CS2BCR); /* 4 idle cycles, normal space, 16 bit data bus */
41 __raw_writel(0x000003c0, CS2WCR); /* (WR:8), no ext. wait */
42
43 /* CS4: CAN1 (0xB0000000 - 0xB3FFFFFF) */
44 __raw_writel(0x00000200, CS4BCR); /* no idle cycles, normal space, 8 bit data bus */
45 __raw_writel(0x00100981, CS4WCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */
46
47 /* CS5a: CAN2 (0xB4000000 - 0xB5FFFFFF) */
48 __raw_writel(0x00000200, CS5ABCR); /* no idle cycles, normal space, 8 bit data bus */
49 __raw_writel(0x00100981, CS5AWCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */
50
51 /* CS5b: CAN3 (0xB6000000 - 0xB7FFFFFF) */
52 __raw_writel(0x00000200, CS5BBCR); /* no idle cycles, normal space, 8 bit data bus */
53 __raw_writel(0x00100981, CS5BWCR); /* (SW:1.5 WR:3 HW:1.5), ext. wait */
54
55 /* CS6a: Rotary (0xB8000000 - 0xB9FFFFFF) */
56 __raw_writel(0x00000200, CS6ABCR); /* no idle cycles, normal space, 8 bit data bus */
57 __raw_writel(0x001009C1, CS6AWCR); /* (SW:1.5 WR:3 HW:1.5), no ext. wait */
58
59 /* set Pin Select Register A: /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2, /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND */
60 __raw_writew(0xAABC, PSELA); /* 10 10 10 10 10 11 11 00 */
61
62 /* set Pin Select Register B: /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC, LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved */
63 __raw_writew(0x3C00, PSELB); /* 0 0 11 11 0 0 00000000 */
64
65 /* set Pin Select Register C: SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved */
66 __raw_writew(0x0000, PSELC); /* 00 00 00 00 00000000 */
67
68 /* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK, Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved */
69 __raw_writew(0x0000, PSELD); /* 0 00 00 00 00 00 00 00 0 */
Wolfgang Denk1aeed8d2008-04-13 09:59:26 -0700[diff] [blame]70
Mark Jonas3313e0e2008-03-10 11:37:10 +0100[diff] [blame]71 /* OTH: (00) Other fuction
72 * GPO: (01) General Purpose Output
73 * GPI: (11) General Purpose Input
74 * GPI+: (10) General Purpose Input with internal pull-up
75 *-------------------------------------------------------
76 * A7 GPO(LED8); A6 GPO(LED7); A5 GPO(LED6); A4 GPO(LED5);
77 * A3 GPO(LED4); A2 GPO(LED3); A1 GPO(LED2); A0 GPO(LED1); */
78 __raw_writew(0x5555, PACR); /* 01 01 01 01 01 01 01 01 */
79
80 /* B7 GPO(RST4); B6 GPO(RST3); B5 GPO(RST2); B4 GPO(RST1);
81 * B3 GPO(PB3); B2 GPO(PB2); B1 GPO(PB1); B0 GPO(PB0); */
82 __raw_writew(0x5555, PBCR); /* 01 01 01 01 01 01 01 01 */
83
84 /* C7 GPO(PC7); C6 GPO(PC6); C5 GPO(PC5); C4 GPO(PC4);
85 * C3 LCD_DATA3; C2 LCD_DATA2; C1 LCD_DATA1; C0 LCD_DATA0; */
86 __raw_writew(0x5500, PCCR); /* 01 01 01 01 00 00 00 00 */
87
88 /* D7 GPO(PD7); D6 GPO(PD6); D5 GPO(PD5); D4 GPO(PD4);
89 * D3 GPO(PD3); D2 GPO(PD2); D1 GPO(PD1); D0 GPO(PD0); */
90 __raw_writew(0x5555, PDCR); /* 01 01 01 01 01 01 01 01 */
91
92 /* E7 (x); E6 GPI(nu); E5 GPI(nu); E4 LCD_M_DISP;
93 * E3 LCD_CL1; E2 LCD_CL2; E1 LCD_DON; E0 LCD_FLM; */
94 __raw_writew(0x2800, PECR); /* 00 10 10 00 00 00 00 00 */
95
96 /* F7 (x); F6 DA1(VLCD); F5 DA0(nc); F4 AN3;
97 * F3 AN2(MID_AD); F2 AN1(EARTH_AD); F1 AN0(TEMP); F0 GPI+(nc); */
98 __raw_writew(0x0002, PFCR); /* 00 00 00 00 00 00 00 10 */
99
100 /* G7 (x); G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ);G4 GPI(KEY2);
101 * G3 GPI(KEY1); G2 GPO(LED11); G1 GPO(LED10); G0 GPO(LED9); */
102 __raw_writew(0x03D5, PGCR); /* 00 00 00 11 11 01 01 01 */
103
104 /* H7 (x); H6 /RAS(BRAS); H5 /CAS(BCAS); H4 CKE(BCKE);
105 * H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR; H0 USB1_PWR; */
106 __raw_writew(0x0050, PHCR); /* 00 00 00 00 01 01 00 00 */
107
108 /* J7 (x); J6 AUDCK; J5 ASEBRKAK; J4 AUDATA3;
109 * J3 AUDATA2; J2 AUDATA1; J1 AUDATA0; J0 AUDSYNC; */
110 __raw_writew(0x0000, PJCR); /* 00 00 00 00 00 00 00 00 */
111
112 /* K7 (x); K6 (x); K5 (x); K4 (x)
113 * K3 PINT7(/PWR2); K2 PINT6(/PWR1); K1 PINT5(nc); K0 PINT4(FLASH_READY); */
114 __raw_writew(0x00FB, PKCR); /* 00 00 00 00 11 11 10 11 */
115
116 /* L7 TRST; L6 TMS; L5 TDO; L4 TDI;
117 * L3 TCK; L2 (x); L1 (x); L0 (x); */
118 __raw_writew(0x0000, PLCR); /* 00 00 00 00 00 00 00 00 */
119
120 /* M7 GPO(CURRENT_SINK);M6 GPO(PWR_SWITCH); M5 GPO(LAN_SPEED); M4 GPO(LAN_RESET);
121 * M3 GPO(BUZZER); M2 GPO(LCD_BL); M1 CS5B(CAN3_CS); M0 GPI+(nc); */
122 __raw_writew(0x5552, PMCR); /* 01 01 01 01 01 01 00 10 */
123 __raw_writeb(0xF0, PMDR); /* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit, LAN_RESET=off, BUZZER=off, LCD_BL=off */
124
125 /* P7 (x); P6 (x); P5 (x); P4 GPO(on pullup);
126 * P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ);P1 IRQ1(CAN2_IRQ); P0 IRQ0(CAN1_IRQ); */
127 __raw_writew(0x0100, PPCR); /* 00 00 00 01 00 00 00 00 */
128 __raw_writeb(0x10, PPDR); /* no current flow through pullup */
129
130 /* R7 A25; R6 A24; R5 A23; R4 A22;
131 * R3 A21; R2 A20; R1 A19; R0 A0; */
132 __raw_writew(0x0000, PRCR); /* 00 00 00 00 00 00 00 00 */
133
134 /* S7 (x); S6 (x); S5 (x); S4 GPO(EEPROM_CS2);
135 * S3 GPO(EEPROM_CS1); S2 SIOF0_TXD; S1 SIOF0_RXD; S0 SIOF0_SCK; */
136 __raw_writew(0x0140, PSCR); /* 00 00 00 01 01 00 00 00 */
137
138 /* T7 (x); T6 (x); T5 (x); T4 COM1_CTS;
139 * T3 COM1_RTS; T2 COM1_TXD; T1 COM1_RXD; T0 GPO(WDOG); */
140 __raw_writew(0x0001, PTCR); /* 00 00 00 00 00 00 00 01 */
141
142 /* U7 (x); U6 (x); U5 (x); U4 GPI+(/AC_FAULT);
143 * U3 GPO(TOUCH_CS); U2 TOUCH_TXD; U1 TOUCH_RXD; U0 TOUCH_SCK; */
144 __raw_writew(0x0240, PUCR); /* 00 00 00 10 01 00 00 00 */
145
146 /* V7 (x); V6 (x); V5 (x); V4 GPO(MID2);
147 * V3 GPO(MID1); V2 CARD_TxD; V1 CARD_RxD; V0 GPI+(/BAT_FAULT); */
148 __raw_writew(0x0142, PVCR); /* 00 00 00 01 01 00 00 10 */
149
150 return 0;
151}
152
153int dram_init(void)
154{
155 DECLARE_GLOBAL_DATA_PTR;
156
157 gd->bd->bi_memstart = CFG_SDRAM_BASE;
158 gd->bd->bi_memsize = CFG_SDRAM_SIZE;
159 printf("SDRAM: %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024));
160 return 0;
161}