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 27 int checkboard(void) 28 { 29 puts("BOARD: MPR2\n"); 30 return 0; 31 } 32 33 int 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 */ 70 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 } 152 153 int dram_init(void) 154 { 155 DECLARE_GLOBAL_DATA_PTR; 156 157 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; 158 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; 159 printf("SDRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); 160 return 0; 161 } 162