xref: /rk3399_rockchip-uboot/board/freescale/mpc8555cds/mpc8555cds.c (revision 415a613babb84d5e5d5b42e8e553868c71fc3a64)
1*415a613bSKumar Gala /*
2*415a613bSKumar Gala  * Copyright 2004 Freescale Semiconductor.
3*415a613bSKumar Gala  *
4*415a613bSKumar Gala  * See file CREDITS for list of people who contributed to this
5*415a613bSKumar Gala  * project.
6*415a613bSKumar Gala  *
7*415a613bSKumar Gala  * This program is free software; you can redistribute it and/or
8*415a613bSKumar Gala  * modify it under the terms of the GNU General Public License as
9*415a613bSKumar Gala  * published by the Free Software Foundation; either version 2 of
10*415a613bSKumar Gala  * the License, or (at your option) any later version.
11*415a613bSKumar Gala  *
12*415a613bSKumar Gala  * This program is distributed in the hope that it will be useful,
13*415a613bSKumar Gala  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*415a613bSKumar Gala  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15*415a613bSKumar Gala  * GNU General Public License for more details.
16*415a613bSKumar Gala  *
17*415a613bSKumar Gala  * You should have received a copy of the GNU General Public License
18*415a613bSKumar Gala  * along with this program; if not, write to the Free Software
19*415a613bSKumar Gala  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20*415a613bSKumar Gala  * MA 02111-1307 USA
21*415a613bSKumar Gala  */
22*415a613bSKumar Gala 
23*415a613bSKumar Gala #include <common.h>
24*415a613bSKumar Gala #include <pci.h>
25*415a613bSKumar Gala #include <asm/processor.h>
26*415a613bSKumar Gala #include <asm/immap_85xx.h>
27*415a613bSKumar Gala #include <ioports.h>
28*415a613bSKumar Gala #include <spd.h>
29*415a613bSKumar Gala #include <libfdt.h>
30*415a613bSKumar Gala #include <fdt_support.h>
31*415a613bSKumar Gala 
32*415a613bSKumar Gala #include "../common/cadmus.h"
33*415a613bSKumar Gala #include "../common/eeprom.h"
34*415a613bSKumar Gala #include "../common/via.h"
35*415a613bSKumar Gala 
36*415a613bSKumar Gala #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
37*415a613bSKumar Gala extern void ddr_enable_ecc(unsigned int dram_size);
38*415a613bSKumar Gala #endif
39*415a613bSKumar Gala 
40*415a613bSKumar Gala extern long int spd_sdram(void);
41*415a613bSKumar Gala 
42*415a613bSKumar Gala void local_bus_init(void);
43*415a613bSKumar Gala void sdram_init(void);
44*415a613bSKumar Gala 
45*415a613bSKumar Gala /*
46*415a613bSKumar Gala  * I/O Port configuration table
47*415a613bSKumar Gala  *
48*415a613bSKumar Gala  * if conf is 1, then that port pin will be configured at boot time
49*415a613bSKumar Gala  * according to the five values podr/pdir/ppar/psor/pdat for that entry
50*415a613bSKumar Gala  */
51*415a613bSKumar Gala 
52*415a613bSKumar Gala const iop_conf_t iop_conf_tab[4][32] = {
53*415a613bSKumar Gala 
54*415a613bSKumar Gala     /* Port A configuration */
55*415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
56*415a613bSKumar Gala 	/* PA31 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxENB */
57*415a613bSKumar Gala 	/* PA30 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 TxClav   */
58*415a613bSKumar Gala 	/* PA29 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxSOC  */
59*415a613bSKumar Gala 	/* PA28 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 RxENB */
60*415a613bSKumar Gala 	/* PA27 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxSOC */
61*415a613bSKumar Gala 	/* PA26 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxClav */
62*415a613bSKumar Gala 	/* PA25 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */
63*415a613bSKumar Gala 	/* PA24 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */
64*415a613bSKumar Gala 	/* PA23 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */
65*415a613bSKumar Gala 	/* PA22 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */
66*415a613bSKumar Gala 	/* PA21 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */
67*415a613bSKumar Gala 	/* PA20 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */
68*415a613bSKumar Gala 	/* PA19 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */
69*415a613bSKumar Gala 	/* PA18 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */
70*415a613bSKumar Gala 	/* PA17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[7] */
71*415a613bSKumar Gala 	/* PA16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[6] */
72*415a613bSKumar Gala 	/* PA15 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[5] */
73*415a613bSKumar Gala 	/* PA14 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[4] */
74*415a613bSKumar Gala 	/* PA13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[3] */
75*415a613bSKumar Gala 	/* PA12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[2] */
76*415a613bSKumar Gala 	/* PA11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[1] */
77*415a613bSKumar Gala 	/* PA10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[0] */
78*415a613bSKumar Gala 	/* PA9  */ {   0,   1,   1,   1,   0,   0   }, /* FCC1 L1TXD */
79*415a613bSKumar Gala 	/* PA8  */ {   0,   1,   1,   0,   0,   0   }, /* FCC1 L1RXD */
80*415a613bSKumar Gala 	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */
81*415a613bSKumar Gala 	/* PA6  */ {   0,   1,   1,   1,   0,   0   }, /* TDM A1 L1RSYNC */
82*415a613bSKumar Gala 	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */
83*415a613bSKumar Gala 	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */
84*415a613bSKumar Gala 	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */
85*415a613bSKumar Gala 	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */
86*415a613bSKumar Gala 	/* PA1  */ {   1,   0,   0,   0,   0,   0   }, /* FREERUN */
87*415a613bSKumar Gala 	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */
88*415a613bSKumar Gala     },
89*415a613bSKumar Gala 
90*415a613bSKumar Gala     /* Port B configuration */
91*415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
92*415a613bSKumar Gala 	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */
93*415a613bSKumar Gala 	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */
94*415a613bSKumar Gala 	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */
95*415a613bSKumar Gala 	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */
96*415a613bSKumar Gala 	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */
97*415a613bSKumar Gala 	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */
98*415a613bSKumar Gala 	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */
99*415a613bSKumar Gala 	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */
100*415a613bSKumar Gala 	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */
101*415a613bSKumar Gala 	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */
102*415a613bSKumar Gala 	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */
103*415a613bSKumar Gala 	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */
104*415a613bSKumar Gala 	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */
105*415a613bSKumar Gala 	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */
106*415a613bSKumar Gala 	/* PB17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_DIV */
107*415a613bSKumar Gala 	/* PB16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_ERR */
108*415a613bSKumar Gala 	/* PB15 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_ERR */
109*415a613bSKumar Gala 	/* PB14 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_EN */
110*415a613bSKumar Gala 	/* PB13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:COL */
111*415a613bSKumar Gala 	/* PB12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:CRS */
112*415a613bSKumar Gala 	/* PB11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
113*415a613bSKumar Gala 	/* PB10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
114*415a613bSKumar Gala 	/* PB9  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
115*415a613bSKumar Gala 	/* PB8  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
116*415a613bSKumar Gala 	/* PB7  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
117*415a613bSKumar Gala 	/* PB6  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
118*415a613bSKumar Gala 	/* PB5  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
119*415a613bSKumar Gala 	/* PB4  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
120*415a613bSKumar Gala 	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
121*415a613bSKumar Gala 	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
122*415a613bSKumar Gala 	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
123*415a613bSKumar Gala 	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
124*415a613bSKumar Gala     },
125*415a613bSKumar Gala 
126*415a613bSKumar Gala     /* Port C */
127*415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
128*415a613bSKumar Gala 	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */
129*415a613bSKumar Gala 	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */
130*415a613bSKumar Gala 	/* PC29 */ {   0,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */
131*415a613bSKumar Gala 	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */
132*415a613bSKumar Gala 	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* UART Clock in */
133*415a613bSKumar Gala 	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */
134*415a613bSKumar Gala 	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */
135*415a613bSKumar Gala 	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */
136*415a613bSKumar Gala 	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /* ATMTFCLK */
137*415a613bSKumar Gala 	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /* ATMRFCLK */
138*415a613bSKumar Gala 	/* PC21 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */
139*415a613bSKumar Gala 	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */
140*415a613bSKumar Gala 	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK CLK13 */
141*415a613bSKumar Gala 	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK14) */
142*415a613bSKumar Gala 	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */
143*415a613bSKumar Gala 	/* PC16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK16) */
144*415a613bSKumar Gala 	/* PC15 */ {   1,   1,   0,   0,   0,   0   }, /* PC15 */
145*415a613bSKumar Gala 	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */
146*415a613bSKumar Gala 	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */
147*415a613bSKumar Gala 	/* PC12 */ {   0,   1,   0,   1,   0,   0   }, /* PC12 */
148*415a613bSKumar Gala 	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* LXT971 transmit control */
149*415a613bSKumar Gala 	/* PC10 */ {   1,   0,   0,   1,   0,   0   }, /* FETHMDC */
150*415a613bSKumar Gala 	/* PC9  */ {   1,   0,   0,   0,   0,   0   }, /* FETHMDIO */
151*415a613bSKumar Gala 	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* PC8 */
152*415a613bSKumar Gala 	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */
153*415a613bSKumar Gala 	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */
154*415a613bSKumar Gala 	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */
155*415a613bSKumar Gala 	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */
156*415a613bSKumar Gala 	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */
157*415a613bSKumar Gala 	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /* ENET FDE */
158*415a613bSKumar Gala 	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* ENET DSQE */
159*415a613bSKumar Gala 	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* ENET LBK */
160*415a613bSKumar Gala     },
161*415a613bSKumar Gala 
162*415a613bSKumar Gala     /* Port D */
163*415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
164*415a613bSKumar Gala 	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */
165*415a613bSKumar Gala 	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */
166*415a613bSKumar Gala 	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */
167*415a613bSKumar Gala 	/* PD28 */ {   0,   1,   0,   0,   0,   0   }, /* PD28 */
168*415a613bSKumar Gala 	/* PD27 */ {   0,   1,   1,   1,   0,   0   }, /* PD27 */
169*415a613bSKumar Gala 	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */
170*415a613bSKumar Gala 	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */
171*415a613bSKumar Gala 	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */
172*415a613bSKumar Gala 	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* PD23 */
173*415a613bSKumar Gala 	/* PD22 */ {   0,   0,   0,   1,   0,   0   }, /* PD22 */
174*415a613bSKumar Gala 	/* PD21 */ {   0,   0,   0,   1,   0,   0   }, /* PD21 */
175*415a613bSKumar Gala 	/* PD20 */ {   0,   0,   0,   1,   0,   0   }, /* PD20 */
176*415a613bSKumar Gala 	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
177*415a613bSKumar Gala 	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD18 */
178*415a613bSKumar Gala 	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXPRTY */
179*415a613bSKumar Gala 	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */
180*415a613bSKumar Gala 	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
181*415a613bSKumar Gala 	/* PD14 */ {   0,   0,   0,   1,   0,   0   }, /* LED */
182*415a613bSKumar Gala 	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
183*415a613bSKumar Gala 	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
184*415a613bSKumar Gala 	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
185*415a613bSKumar Gala 	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
186*415a613bSKumar Gala 	/* PD9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
187*415a613bSKumar Gala 	/* PD8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
188*415a613bSKumar Gala 	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */
189*415a613bSKumar Gala 	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */
190*415a613bSKumar Gala 	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */
191*415a613bSKumar Gala 	/* PD4  */ {   0,   0,   0,   1,   0,   1   }, /* PD4 */
192*415a613bSKumar Gala 	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
193*415a613bSKumar Gala 	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
194*415a613bSKumar Gala 	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
195*415a613bSKumar Gala 	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
196*415a613bSKumar Gala     }
197*415a613bSKumar Gala };
198*415a613bSKumar Gala 
199*415a613bSKumar Gala int board_early_init_f (void)
200*415a613bSKumar Gala {
201*415a613bSKumar Gala 	return 0;
202*415a613bSKumar Gala }
203*415a613bSKumar Gala 
204*415a613bSKumar Gala int checkboard (void)
205*415a613bSKumar Gala {
206*415a613bSKumar Gala 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
207*415a613bSKumar Gala 
208*415a613bSKumar Gala 	/* PCI slot in USER bits CSR[6:7] by convention. */
209*415a613bSKumar Gala 	uint pci_slot = get_pci_slot ();
210*415a613bSKumar Gala 
211*415a613bSKumar Gala 	uint pci_dual = get_pci_dual ();	/* PCI DUAL in CM_PCI[3] */
212*415a613bSKumar Gala 	uint pci1_32 = gur->pordevsr & 0x10000;	/* PORDEVSR[15] */
213*415a613bSKumar Gala 	uint pci1_clk_sel = gur->porpllsr & 0x8000;	/* PORPLLSR[16] */
214*415a613bSKumar Gala 	uint pci2_clk_sel = gur->porpllsr & 0x4000;	/* PORPLLSR[17] */
215*415a613bSKumar Gala 
216*415a613bSKumar Gala 	uint pci1_speed = get_clock_freq ();	/* PCI PSPEED in [4:5] */
217*415a613bSKumar Gala 
218*415a613bSKumar Gala 	uint cpu_board_rev = get_cpu_board_revision ();
219*415a613bSKumar Gala 
220*415a613bSKumar Gala 	printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
221*415a613bSKumar Gala 		get_board_version (), pci_slot);
222*415a613bSKumar Gala 
223*415a613bSKumar Gala 	printf ("CPU Board Revision %d.%d (0x%04x)\n",
224*415a613bSKumar Gala 		MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
225*415a613bSKumar Gala 		MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
226*415a613bSKumar Gala 
227*415a613bSKumar Gala 	printf ("    PCI1: %d bit, %s MHz, %s\n",
228*415a613bSKumar Gala 		(pci1_32) ? 32 : 64,
229*415a613bSKumar Gala 		(pci1_speed == 33000000) ? "33" :
230*415a613bSKumar Gala 		(pci1_speed == 66000000) ? "66" : "unknown",
231*415a613bSKumar Gala 		pci1_clk_sel ? "sync" : "async");
232*415a613bSKumar Gala 
233*415a613bSKumar Gala 	if (pci_dual) {
234*415a613bSKumar Gala 		printf ("    PCI2: 32 bit, 66 MHz, %s\n",
235*415a613bSKumar Gala 			pci2_clk_sel ? "sync" : "async");
236*415a613bSKumar Gala 	} else {
237*415a613bSKumar Gala 		printf ("    PCI2: disabled\n");
238*415a613bSKumar Gala 	}
239*415a613bSKumar Gala 
240*415a613bSKumar Gala 	/*
241*415a613bSKumar Gala 	 * Initialize local bus.
242*415a613bSKumar Gala 	 */
243*415a613bSKumar Gala 	local_bus_init ();
244*415a613bSKumar Gala 
245*415a613bSKumar Gala 	return 0;
246*415a613bSKumar Gala }
247*415a613bSKumar Gala 
248*415a613bSKumar Gala long int
249*415a613bSKumar Gala initdram(int board_type)
250*415a613bSKumar Gala {
251*415a613bSKumar Gala 	long dram_size = 0;
252*415a613bSKumar Gala 
253*415a613bSKumar Gala 	puts("Initializing\n");
254*415a613bSKumar Gala 
255*415a613bSKumar Gala #if defined(CONFIG_DDR_DLL)
256*415a613bSKumar Gala 	{
257*415a613bSKumar Gala 		/*
258*415a613bSKumar Gala 		 * Work around to stabilize DDR DLL MSYNC_IN.
259*415a613bSKumar Gala 		 * Errata DDR9 seems to have been fixed.
260*415a613bSKumar Gala 		 * This is now the workaround for Errata DDR11:
261*415a613bSKumar Gala 		 *    Override DLL = 1, Course Adj = 1, Tap Select = 0
262*415a613bSKumar Gala 		 */
263*415a613bSKumar Gala 
264*415a613bSKumar Gala 		volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
265*415a613bSKumar Gala 
266*415a613bSKumar Gala 		gur->ddrdllcr = 0x81000000;
267*415a613bSKumar Gala 		asm("sync;isync;msync");
268*415a613bSKumar Gala 		udelay(200);
269*415a613bSKumar Gala 	}
270*415a613bSKumar Gala #endif
271*415a613bSKumar Gala 	dram_size = spd_sdram();
272*415a613bSKumar Gala 
273*415a613bSKumar Gala #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
274*415a613bSKumar Gala 	/*
275*415a613bSKumar Gala 	 * Initialize and enable DDR ECC.
276*415a613bSKumar Gala 	 */
277*415a613bSKumar Gala 	ddr_enable_ecc(dram_size);
278*415a613bSKumar Gala #endif
279*415a613bSKumar Gala 	/*
280*415a613bSKumar Gala 	 * SDRAM Initialization
281*415a613bSKumar Gala 	 */
282*415a613bSKumar Gala 	sdram_init();
283*415a613bSKumar Gala 
284*415a613bSKumar Gala 	puts("    DDR: ");
285*415a613bSKumar Gala 	return dram_size;
286*415a613bSKumar Gala }
287*415a613bSKumar Gala 
288*415a613bSKumar Gala /*
289*415a613bSKumar Gala  * Initialize Local Bus
290*415a613bSKumar Gala  */
291*415a613bSKumar Gala void
292*415a613bSKumar Gala local_bus_init(void)
293*415a613bSKumar Gala {
294*415a613bSKumar Gala 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
295*415a613bSKumar Gala 	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
296*415a613bSKumar Gala 
297*415a613bSKumar Gala 	uint clkdiv;
298*415a613bSKumar Gala 	uint lbc_hz;
299*415a613bSKumar Gala 	sys_info_t sysinfo;
300*415a613bSKumar Gala 	uint temp_lbcdll;
301*415a613bSKumar Gala 
302*415a613bSKumar Gala 	/*
303*415a613bSKumar Gala 	 * Errata LBC11.
304*415a613bSKumar Gala 	 * Fix Local Bus clock glitch when DLL is enabled.
305*415a613bSKumar Gala 	 *
306*415a613bSKumar Gala 	 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
307*415a613bSKumar Gala 	 * If localbus freq is > 133Mhz, DLL can be safely enabled.
308*415a613bSKumar Gala 	 * Between 66 and 133, the DLL is enabled with an override workaround.
309*415a613bSKumar Gala 	 */
310*415a613bSKumar Gala 
311*415a613bSKumar Gala 	get_sys_info(&sysinfo);
312*415a613bSKumar Gala 	clkdiv = lbc->lcrr & 0x0f;
313*415a613bSKumar Gala 	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
314*415a613bSKumar Gala 
315*415a613bSKumar Gala 	if (lbc_hz < 66) {
316*415a613bSKumar Gala 		lbc->lcrr |= 0x80000000;	/* DLL Bypass */
317*415a613bSKumar Gala 
318*415a613bSKumar Gala 	} else if (lbc_hz >= 133) {
319*415a613bSKumar Gala 		lbc->lcrr &= (~0x80000000);		/* DLL Enabled */
320*415a613bSKumar Gala 
321*415a613bSKumar Gala 	} else {
322*415a613bSKumar Gala 		lbc->lcrr &= (~0x8000000);	/* DLL Enabled */
323*415a613bSKumar Gala 		udelay(200);
324*415a613bSKumar Gala 
325*415a613bSKumar Gala 		/*
326*415a613bSKumar Gala 		 * Sample LBC DLL ctrl reg, upshift it to set the
327*415a613bSKumar Gala 		 * override bits.
328*415a613bSKumar Gala 		 */
329*415a613bSKumar Gala 		temp_lbcdll = gur->lbcdllcr;
330*415a613bSKumar Gala 		gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
331*415a613bSKumar Gala 		asm("sync;isync;msync");
332*415a613bSKumar Gala 	}
333*415a613bSKumar Gala }
334*415a613bSKumar Gala 
335*415a613bSKumar Gala /*
336*415a613bSKumar Gala  * Initialize SDRAM memory on the Local Bus.
337*415a613bSKumar Gala  */
338*415a613bSKumar Gala void
339*415a613bSKumar Gala sdram_init(void)
340*415a613bSKumar Gala {
341*415a613bSKumar Gala #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
342*415a613bSKumar Gala 
343*415a613bSKumar Gala 	uint idx;
344*415a613bSKumar Gala 	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
345*415a613bSKumar Gala 	uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
346*415a613bSKumar Gala 	uint cpu_board_rev;
347*415a613bSKumar Gala 	uint lsdmr_common;
348*415a613bSKumar Gala 
349*415a613bSKumar Gala 	puts("    SDRAM: ");
350*415a613bSKumar Gala 
351*415a613bSKumar Gala 	print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
352*415a613bSKumar Gala 
353*415a613bSKumar Gala 	/*
354*415a613bSKumar Gala 	 * Setup SDRAM Base and Option Registers
355*415a613bSKumar Gala 	 */
356*415a613bSKumar Gala 	lbc->or2 = CFG_OR2_PRELIM;
357*415a613bSKumar Gala 	asm("msync");
358*415a613bSKumar Gala 
359*415a613bSKumar Gala 	lbc->br2 = CFG_BR2_PRELIM;
360*415a613bSKumar Gala 	asm("msync");
361*415a613bSKumar Gala 
362*415a613bSKumar Gala 	lbc->lbcr = CFG_LBC_LBCR;
363*415a613bSKumar Gala 	asm("msync");
364*415a613bSKumar Gala 
365*415a613bSKumar Gala 	lbc->lsrt = CFG_LBC_LSRT;
366*415a613bSKumar Gala 	lbc->mrtpr = CFG_LBC_MRTPR;
367*415a613bSKumar Gala 	asm("msync");
368*415a613bSKumar Gala 
369*415a613bSKumar Gala 	/*
370*415a613bSKumar Gala 	 * Determine which address lines to use baed on CPU board rev.
371*415a613bSKumar Gala 	 */
372*415a613bSKumar Gala 	cpu_board_rev = get_cpu_board_revision();
373*415a613bSKumar Gala 	lsdmr_common = CFG_LBC_LSDMR_COMMON;
374*415a613bSKumar Gala 	if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
375*415a613bSKumar Gala 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
376*415a613bSKumar Gala 	} else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
377*415a613bSKumar Gala 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
378*415a613bSKumar Gala 	} else {
379*415a613bSKumar Gala 		/*
380*415a613bSKumar Gala 		 * Assume something unable to identify itself is
381*415a613bSKumar Gala 		 * really old, and likely has lines 16/17 mapped.
382*415a613bSKumar Gala 		 */
383*415a613bSKumar Gala 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
384*415a613bSKumar Gala 	}
385*415a613bSKumar Gala 
386*415a613bSKumar Gala 	/*
387*415a613bSKumar Gala 	 * Issue PRECHARGE ALL command.
388*415a613bSKumar Gala 	 */
389*415a613bSKumar Gala 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
390*415a613bSKumar Gala 	asm("sync;msync");
391*415a613bSKumar Gala 	*sdram_addr = 0xff;
392*415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
393*415a613bSKumar Gala 	udelay(100);
394*415a613bSKumar Gala 
395*415a613bSKumar Gala 	/*
396*415a613bSKumar Gala 	 * Issue 8 AUTO REFRESH commands.
397*415a613bSKumar Gala 	 */
398*415a613bSKumar Gala 	for (idx = 0; idx < 8; idx++) {
399*415a613bSKumar Gala 		lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
400*415a613bSKumar Gala 		asm("sync;msync");
401*415a613bSKumar Gala 		*sdram_addr = 0xff;
402*415a613bSKumar Gala 		ppcDcbf((unsigned long) sdram_addr);
403*415a613bSKumar Gala 		udelay(100);
404*415a613bSKumar Gala 	}
405*415a613bSKumar Gala 
406*415a613bSKumar Gala 	/*
407*415a613bSKumar Gala 	 * Issue 8 MODE-set command.
408*415a613bSKumar Gala 	 */
409*415a613bSKumar Gala 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
410*415a613bSKumar Gala 	asm("sync;msync");
411*415a613bSKumar Gala 	*sdram_addr = 0xff;
412*415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
413*415a613bSKumar Gala 	udelay(100);
414*415a613bSKumar Gala 
415*415a613bSKumar Gala 	/*
416*415a613bSKumar Gala 	 * Issue NORMAL OP command.
417*415a613bSKumar Gala 	 */
418*415a613bSKumar Gala 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
419*415a613bSKumar Gala 	asm("sync;msync");
420*415a613bSKumar Gala 	*sdram_addr = 0xff;
421*415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
422*415a613bSKumar Gala 	udelay(200);    /* Overkill. Must wait > 200 bus cycles */
423*415a613bSKumar Gala 
424*415a613bSKumar Gala #endif	/* enable SDRAM init */
425*415a613bSKumar Gala }
426*415a613bSKumar Gala 
427*415a613bSKumar Gala #if defined(CFG_DRAM_TEST)
428*415a613bSKumar Gala int
429*415a613bSKumar Gala testdram(void)
430*415a613bSKumar Gala {
431*415a613bSKumar Gala 	uint *pstart = (uint *) CFG_MEMTEST_START;
432*415a613bSKumar Gala 	uint *pend = (uint *) CFG_MEMTEST_END;
433*415a613bSKumar Gala 	uint *p;
434*415a613bSKumar Gala 
435*415a613bSKumar Gala 	printf("Testing DRAM from 0x%08x to 0x%08x\n",
436*415a613bSKumar Gala 	       CFG_MEMTEST_START,
437*415a613bSKumar Gala 	       CFG_MEMTEST_END);
438*415a613bSKumar Gala 
439*415a613bSKumar Gala 	printf("DRAM test phase 1:\n");
440*415a613bSKumar Gala 	for (p = pstart; p < pend; p++)
441*415a613bSKumar Gala 		*p = 0xaaaaaaaa;
442*415a613bSKumar Gala 
443*415a613bSKumar Gala 	for (p = pstart; p < pend; p++) {
444*415a613bSKumar Gala 		if (*p != 0xaaaaaaaa) {
445*415a613bSKumar Gala 			printf ("DRAM test fails at: %08x\n", (uint) p);
446*415a613bSKumar Gala 			return 1;
447*415a613bSKumar Gala 		}
448*415a613bSKumar Gala 	}
449*415a613bSKumar Gala 
450*415a613bSKumar Gala 	printf("DRAM test phase 2:\n");
451*415a613bSKumar Gala 	for (p = pstart; p < pend; p++)
452*415a613bSKumar Gala 		*p = 0x55555555;
453*415a613bSKumar Gala 
454*415a613bSKumar Gala 	for (p = pstart; p < pend; p++) {
455*415a613bSKumar Gala 		if (*p != 0x55555555) {
456*415a613bSKumar Gala 			printf ("DRAM test fails at: %08x\n", (uint) p);
457*415a613bSKumar Gala 			return 1;
458*415a613bSKumar Gala 		}
459*415a613bSKumar Gala 	}
460*415a613bSKumar Gala 
461*415a613bSKumar Gala 	printf("DRAM test passed.\n");
462*415a613bSKumar Gala 	return 0;
463*415a613bSKumar Gala }
464*415a613bSKumar Gala #endif
465*415a613bSKumar Gala 
466*415a613bSKumar Gala #ifdef CONFIG_PCI
467*415a613bSKumar Gala /* For some reason the Tundra PCI bridge shows up on itself as a
468*415a613bSKumar Gala  * different device.  Work around that by refusing to configure it
469*415a613bSKumar Gala  */
470*415a613bSKumar Gala void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
471*415a613bSKumar Gala 
472*415a613bSKumar Gala static struct pci_config_table pci_mpc85xxcds_config_table[] = {
473*415a613bSKumar Gala 	{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
474*415a613bSKumar Gala 	{0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
475*415a613bSKumar Gala 	{0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
476*415a613bSKumar Gala 		mpc85xx_config_via_usbide, {0,0,0}},
477*415a613bSKumar Gala 	{0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
478*415a613bSKumar Gala 		mpc85xx_config_via_usb, {0,0,0}},
479*415a613bSKumar Gala 	{0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
480*415a613bSKumar Gala 		mpc85xx_config_via_usb2, {0,0,0}},
481*415a613bSKumar Gala 	{0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
482*415a613bSKumar Gala 		mpc85xx_config_via_power, {0,0,0}},
483*415a613bSKumar Gala 	{0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
484*415a613bSKumar Gala 		mpc85xx_config_via_ac97, {0,0,0}},
485*415a613bSKumar Gala 	{},
486*415a613bSKumar Gala };
487*415a613bSKumar Gala 
488*415a613bSKumar Gala 
489*415a613bSKumar Gala static struct pci_controller hose[] = {
490*415a613bSKumar Gala 	{
491*415a613bSKumar Gala 	config_table: pci_mpc85xxcds_config_table,
492*415a613bSKumar Gala 	},
493*415a613bSKumar Gala #ifdef CONFIG_MPC85XX_PCI2
494*415a613bSKumar Gala 	{},
495*415a613bSKumar Gala #endif
496*415a613bSKumar Gala };
497*415a613bSKumar Gala 
498*415a613bSKumar Gala #endif
499*415a613bSKumar Gala 
500*415a613bSKumar Gala void
501*415a613bSKumar Gala pci_init_board(void)
502*415a613bSKumar Gala {
503*415a613bSKumar Gala #ifdef CONFIG_PCI
504*415a613bSKumar Gala 	pci_mpc85xx_init(hose);
505*415a613bSKumar Gala #endif
506*415a613bSKumar Gala }
507*415a613bSKumar Gala 
508*415a613bSKumar Gala #if defined(CONFIG_OF_BOARD_SETUP)
509*415a613bSKumar Gala void
510*415a613bSKumar Gala ft_pci_setup(void *blob, bd_t *bd)
511*415a613bSKumar Gala {
512*415a613bSKumar Gala 	int node, tmp[2];
513*415a613bSKumar Gala 	const char *path;
514*415a613bSKumar Gala 
515*415a613bSKumar Gala 	node = fdt_path_offset(blob, "/aliases");
516*415a613bSKumar Gala 	tmp[0] = 0;
517*415a613bSKumar Gala 	if (node >= 0) {
518*415a613bSKumar Gala #ifdef CONFIG_PCI1
519*415a613bSKumar Gala 		path = fdt_getprop(blob, node, "pci0", NULL);
520*415a613bSKumar Gala 		if (path) {
521*415a613bSKumar Gala 			tmp[1] = hose[0].last_busno - hose[0].first_busno;
522*415a613bSKumar Gala 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
523*415a613bSKumar Gala 		}
524*415a613bSKumar Gala #endif
525*415a613bSKumar Gala #ifdef CONFIG_MPC85XX_PCI2
526*415a613bSKumar Gala 		path = fdt_getprop(blob, node, "pci1", NULL);
527*415a613bSKumar Gala 		if (path) {
528*415a613bSKumar Gala 			tmp[1] = hose[1].last_busno - hose[1].first_busno;
529*415a613bSKumar Gala 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
530*415a613bSKumar Gala 		}
531*415a613bSKumar Gala #endif
532*415a613bSKumar Gala 	}
533*415a613bSKumar Gala }
534*415a613bSKumar Gala #endif
535