xref: /rk3399_rockchip-uboot/board/freescale/mpc8555cds/mpc8555cds.c (revision 8ed44d91c8122d00368523b0b746691c895d3b3c)
1415a613bSKumar Gala /*
2415a613bSKumar Gala  * Copyright 2004 Freescale Semiconductor.
3415a613bSKumar Gala  *
4415a613bSKumar Gala  * See file CREDITS for list of people who contributed to this
5415a613bSKumar Gala  * project.
6415a613bSKumar Gala  *
7415a613bSKumar Gala  * This program is free software; you can redistribute it and/or
8415a613bSKumar Gala  * modify it under the terms of the GNU General Public License as
9415a613bSKumar Gala  * published by the Free Software Foundation; either version 2 of
10415a613bSKumar Gala  * the License, or (at your option) any later version.
11415a613bSKumar Gala  *
12415a613bSKumar Gala  * This program is distributed in the hope that it will be useful,
13415a613bSKumar Gala  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14415a613bSKumar Gala  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15415a613bSKumar Gala  * GNU General Public License for more details.
16415a613bSKumar Gala  *
17415a613bSKumar Gala  * You should have received a copy of the GNU General Public License
18415a613bSKumar Gala  * along with this program; if not, write to the Free Software
19415a613bSKumar Gala  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20415a613bSKumar Gala  * MA 02111-1307 USA
21415a613bSKumar Gala  */
22415a613bSKumar Gala 
23415a613bSKumar Gala #include <common.h>
24415a613bSKumar Gala #include <pci.h>
25415a613bSKumar Gala #include <asm/processor.h>
262b40edb1SJon Loeliger #include <asm/mmu.h>
27415a613bSKumar Gala #include <asm/immap_85xx.h>
282b40edb1SJon Loeliger #include <asm/fsl_ddr_sdram.h>
29415a613bSKumar Gala #include <ioports.h>
30a30a549aSJon Loeliger #include <spd_sdram.h>
31415a613bSKumar Gala #include <libfdt.h>
32415a613bSKumar Gala #include <fdt_support.h>
33415a613bSKumar Gala 
34415a613bSKumar Gala #include "../common/cadmus.h"
35415a613bSKumar Gala #include "../common/eeprom.h"
36415a613bSKumar Gala #include "../common/via.h"
37415a613bSKumar Gala 
38415a613bSKumar Gala #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
39415a613bSKumar Gala extern void ddr_enable_ecc(unsigned int dram_size);
40415a613bSKumar Gala #endif
41415a613bSKumar Gala 
42415a613bSKumar Gala void local_bus_init(void);
43415a613bSKumar Gala void sdram_init(void);
44415a613bSKumar Gala 
45415a613bSKumar Gala /*
46415a613bSKumar Gala  * I/O Port configuration table
47415a613bSKumar Gala  *
48415a613bSKumar Gala  * if conf is 1, then that port pin will be configured at boot time
49415a613bSKumar Gala  * according to the five values podr/pdir/ppar/psor/pdat for that entry
50415a613bSKumar Gala  */
51415a613bSKumar Gala 
52415a613bSKumar Gala const iop_conf_t iop_conf_tab[4][32] = {
53415a613bSKumar Gala 
54415a613bSKumar Gala     /* Port A configuration */
55415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
56415a613bSKumar Gala 	/* PA31 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxENB */
57415a613bSKumar Gala 	/* PA30 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 TxClav   */
58415a613bSKumar Gala 	/* PA29 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxSOC  */
59415a613bSKumar Gala 	/* PA28 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 RxENB */
60415a613bSKumar Gala 	/* PA27 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxSOC */
61415a613bSKumar Gala 	/* PA26 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxClav */
62415a613bSKumar Gala 	/* PA25 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */
63415a613bSKumar Gala 	/* PA24 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */
64415a613bSKumar Gala 	/* PA23 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */
65415a613bSKumar Gala 	/* PA22 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */
66415a613bSKumar Gala 	/* PA21 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */
67415a613bSKumar Gala 	/* PA20 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */
68415a613bSKumar Gala 	/* PA19 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */
69415a613bSKumar Gala 	/* PA18 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */
70415a613bSKumar Gala 	/* PA17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[7] */
71415a613bSKumar Gala 	/* PA16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[6] */
72415a613bSKumar Gala 	/* PA15 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[5] */
73415a613bSKumar Gala 	/* PA14 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[4] */
74415a613bSKumar Gala 	/* PA13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[3] */
75415a613bSKumar Gala 	/* PA12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[2] */
76415a613bSKumar Gala 	/* PA11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[1] */
77415a613bSKumar Gala 	/* PA10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[0] */
78415a613bSKumar Gala 	/* PA9  */ {   0,   1,   1,   1,   0,   0   }, /* FCC1 L1TXD */
79415a613bSKumar Gala 	/* PA8  */ {   0,   1,   1,   0,   0,   0   }, /* FCC1 L1RXD */
80415a613bSKumar Gala 	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */
81415a613bSKumar Gala 	/* PA6  */ {   0,   1,   1,   1,   0,   0   }, /* TDM A1 L1RSYNC */
82415a613bSKumar Gala 	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */
83415a613bSKumar Gala 	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */
84415a613bSKumar Gala 	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */
85415a613bSKumar Gala 	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */
86415a613bSKumar Gala 	/* PA1  */ {   1,   0,   0,   0,   0,   0   }, /* FREERUN */
87415a613bSKumar Gala 	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */
88415a613bSKumar Gala     },
89415a613bSKumar Gala 
90415a613bSKumar Gala     /* Port B configuration */
91415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
92415a613bSKumar Gala 	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */
93415a613bSKumar Gala 	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */
94415a613bSKumar Gala 	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */
95415a613bSKumar Gala 	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */
96415a613bSKumar Gala 	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */
97415a613bSKumar Gala 	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */
98415a613bSKumar Gala 	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */
99415a613bSKumar Gala 	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */
100415a613bSKumar Gala 	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */
101415a613bSKumar Gala 	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */
102415a613bSKumar Gala 	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */
103415a613bSKumar Gala 	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */
104415a613bSKumar Gala 	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */
105415a613bSKumar Gala 	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */
106415a613bSKumar Gala 	/* PB17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_DIV */
107415a613bSKumar Gala 	/* PB16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_ERR */
108415a613bSKumar Gala 	/* PB15 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_ERR */
109415a613bSKumar Gala 	/* PB14 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_EN */
110415a613bSKumar Gala 	/* PB13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:COL */
111415a613bSKumar Gala 	/* PB12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:CRS */
112415a613bSKumar Gala 	/* PB11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
113415a613bSKumar Gala 	/* PB10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
114415a613bSKumar Gala 	/* PB9  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
115415a613bSKumar Gala 	/* PB8  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
116415a613bSKumar Gala 	/* PB7  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
117415a613bSKumar Gala 	/* PB6  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
118415a613bSKumar Gala 	/* PB5  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
119415a613bSKumar Gala 	/* PB4  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
120415a613bSKumar Gala 	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
121415a613bSKumar Gala 	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
122415a613bSKumar Gala 	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
123415a613bSKumar Gala 	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
124415a613bSKumar Gala     },
125415a613bSKumar Gala 
126415a613bSKumar Gala     /* Port C */
127415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
128415a613bSKumar Gala 	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */
129415a613bSKumar Gala 	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */
130415a613bSKumar Gala 	/* PC29 */ {   0,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */
131415a613bSKumar Gala 	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */
132415a613bSKumar Gala 	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* UART Clock in */
133415a613bSKumar Gala 	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */
134415a613bSKumar Gala 	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */
135415a613bSKumar Gala 	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */
136415a613bSKumar Gala 	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /* ATMTFCLK */
137415a613bSKumar Gala 	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /* ATMRFCLK */
138415a613bSKumar Gala 	/* PC21 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */
139415a613bSKumar Gala 	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */
140415a613bSKumar Gala 	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK CLK13 */
141415a613bSKumar Gala 	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK14) */
142415a613bSKumar Gala 	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */
143415a613bSKumar Gala 	/* PC16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK16) */
144415a613bSKumar Gala 	/* PC15 */ {   1,   1,   0,   0,   0,   0   }, /* PC15 */
145415a613bSKumar Gala 	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */
146415a613bSKumar Gala 	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */
147415a613bSKumar Gala 	/* PC12 */ {   0,   1,   0,   1,   0,   0   }, /* PC12 */
148415a613bSKumar Gala 	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* LXT971 transmit control */
149415a613bSKumar Gala 	/* PC10 */ {   1,   0,   0,   1,   0,   0   }, /* FETHMDC */
150415a613bSKumar Gala 	/* PC9  */ {   1,   0,   0,   0,   0,   0   }, /* FETHMDIO */
151415a613bSKumar Gala 	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* PC8 */
152415a613bSKumar Gala 	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */
153415a613bSKumar Gala 	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */
154415a613bSKumar Gala 	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */
155415a613bSKumar Gala 	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */
156415a613bSKumar Gala 	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */
157415a613bSKumar Gala 	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /* ENET FDE */
158415a613bSKumar Gala 	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* ENET DSQE */
159415a613bSKumar Gala 	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* ENET LBK */
160415a613bSKumar Gala     },
161415a613bSKumar Gala 
162415a613bSKumar Gala     /* Port D */
163415a613bSKumar Gala     {   /*            conf ppar psor pdir podr pdat */
164415a613bSKumar Gala 	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */
165415a613bSKumar Gala 	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */
166415a613bSKumar Gala 	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */
167415a613bSKumar Gala 	/* PD28 */ {   0,   1,   0,   0,   0,   0   }, /* PD28 */
168415a613bSKumar Gala 	/* PD27 */ {   0,   1,   1,   1,   0,   0   }, /* PD27 */
169415a613bSKumar Gala 	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */
170415a613bSKumar Gala 	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */
171415a613bSKumar Gala 	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */
172415a613bSKumar Gala 	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* PD23 */
173415a613bSKumar Gala 	/* PD22 */ {   0,   0,   0,   1,   0,   0   }, /* PD22 */
174415a613bSKumar Gala 	/* PD21 */ {   0,   0,   0,   1,   0,   0   }, /* PD21 */
175415a613bSKumar Gala 	/* PD20 */ {   0,   0,   0,   1,   0,   0   }, /* PD20 */
176415a613bSKumar Gala 	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
177415a613bSKumar Gala 	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD18 */
178415a613bSKumar Gala 	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXPRTY */
179415a613bSKumar Gala 	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */
180415a613bSKumar Gala 	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
181415a613bSKumar Gala 	/* PD14 */ {   0,   0,   0,   1,   0,   0   }, /* LED */
182415a613bSKumar Gala 	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
183415a613bSKumar Gala 	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
184415a613bSKumar Gala 	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
185415a613bSKumar Gala 	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
186415a613bSKumar Gala 	/* PD9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
187415a613bSKumar Gala 	/* PD8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
188415a613bSKumar Gala 	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */
189415a613bSKumar Gala 	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */
190415a613bSKumar Gala 	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */
191415a613bSKumar Gala 	/* PD4  */ {   0,   0,   0,   1,   0,   1   }, /* PD4 */
192415a613bSKumar Gala 	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
193415a613bSKumar Gala 	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
194415a613bSKumar Gala 	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
195415a613bSKumar Gala 	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
196415a613bSKumar Gala     }
197415a613bSKumar Gala };
198415a613bSKumar Gala 
199415a613bSKumar Gala int checkboard (void)
200415a613bSKumar Gala {
2016d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
202415a613bSKumar Gala 
203415a613bSKumar Gala 	/* PCI slot in USER bits CSR[6:7] by convention. */
204415a613bSKumar Gala 	uint pci_slot = get_pci_slot ();
205415a613bSKumar Gala 
206415a613bSKumar Gala 	uint pci_dual = get_pci_dual ();	/* PCI DUAL in CM_PCI[3] */
207415a613bSKumar Gala 	uint pci1_32 = gur->pordevsr & 0x10000;	/* PORDEVSR[15] */
208415a613bSKumar Gala 	uint pci1_clk_sel = gur->porpllsr & 0x8000;	/* PORPLLSR[16] */
209415a613bSKumar Gala 	uint pci2_clk_sel = gur->porpllsr & 0x4000;	/* PORPLLSR[17] */
210415a613bSKumar Gala 
211415a613bSKumar Gala 	uint pci1_speed = get_clock_freq ();	/* PCI PSPEED in [4:5] */
212415a613bSKumar Gala 
213415a613bSKumar Gala 	uint cpu_board_rev = get_cpu_board_revision ();
214415a613bSKumar Gala 
215415a613bSKumar Gala 	printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
216415a613bSKumar Gala 		get_board_version (), pci_slot);
217415a613bSKumar Gala 
218415a613bSKumar Gala 	printf ("CPU Board Revision %d.%d (0x%04x)\n",
219415a613bSKumar Gala 		MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
220415a613bSKumar Gala 		MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
221415a613bSKumar Gala 
222415a613bSKumar Gala 	printf ("    PCI1: %d bit, %s MHz, %s\n",
223415a613bSKumar Gala 		(pci1_32) ? 32 : 64,
224415a613bSKumar Gala 		(pci1_speed == 33000000) ? "33" :
225415a613bSKumar Gala 		(pci1_speed == 66000000) ? "66" : "unknown",
226415a613bSKumar Gala 		pci1_clk_sel ? "sync" : "async");
227415a613bSKumar Gala 
228415a613bSKumar Gala 	if (pci_dual) {
229415a613bSKumar Gala 		printf ("    PCI2: 32 bit, 66 MHz, %s\n",
230415a613bSKumar Gala 			pci2_clk_sel ? "sync" : "async");
231415a613bSKumar Gala 	} else {
232415a613bSKumar Gala 		printf ("    PCI2: disabled\n");
233415a613bSKumar Gala 	}
234415a613bSKumar Gala 
235415a613bSKumar Gala 	/*
236415a613bSKumar Gala 	 * Initialize local bus.
237415a613bSKumar Gala 	 */
238415a613bSKumar Gala 	local_bus_init ();
239415a613bSKumar Gala 
240415a613bSKumar Gala 	return 0;
241415a613bSKumar Gala }
242415a613bSKumar Gala 
2439973e3c6SBecky Bruce phys_size_t
244415a613bSKumar Gala initdram(int board_type)
245415a613bSKumar Gala {
246415a613bSKumar Gala 	long dram_size = 0;
247415a613bSKumar Gala 
248415a613bSKumar Gala 	puts("Initializing\n");
249415a613bSKumar Gala 
250415a613bSKumar Gala #if defined(CONFIG_DDR_DLL)
251415a613bSKumar Gala 	{
252415a613bSKumar Gala 		/*
253415a613bSKumar Gala 		 * Work around to stabilize DDR DLL MSYNC_IN.
254415a613bSKumar Gala 		 * Errata DDR9 seems to have been fixed.
255415a613bSKumar Gala 		 * This is now the workaround for Errata DDR11:
256415a613bSKumar Gala 		 *    Override DLL = 1, Course Adj = 1, Tap Select = 0
257415a613bSKumar Gala 		 */
258415a613bSKumar Gala 
2596d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 		volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
260415a613bSKumar Gala 
261415a613bSKumar Gala 		gur->ddrdllcr = 0x81000000;
262415a613bSKumar Gala 		asm("sync;isync;msync");
263415a613bSKumar Gala 		udelay(200);
264415a613bSKumar Gala 	}
265415a613bSKumar Gala #endif
2662b40edb1SJon Loeliger 
2672b40edb1SJon Loeliger 	dram_size = fsl_ddr_sdram();
2682b40edb1SJon Loeliger 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
2692b40edb1SJon Loeliger 	dram_size *= 0x100000;
270415a613bSKumar Gala 
271415a613bSKumar Gala #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
272415a613bSKumar Gala 	/*
273415a613bSKumar Gala 	 * Initialize and enable DDR ECC.
274415a613bSKumar Gala 	 */
275415a613bSKumar Gala 	ddr_enable_ecc(dram_size);
276415a613bSKumar Gala #endif
2772b40edb1SJon Loeliger 
278415a613bSKumar Gala 	/*
279415a613bSKumar Gala 	 * SDRAM Initialization
280415a613bSKumar Gala 	 */
281415a613bSKumar Gala 	sdram_init();
282415a613bSKumar Gala 
283415a613bSKumar Gala 	puts("    DDR: ");
284415a613bSKumar Gala 	return dram_size;
285415a613bSKumar Gala }
286415a613bSKumar Gala 
287415a613bSKumar Gala /*
288415a613bSKumar Gala  * Initialize Local Bus
289415a613bSKumar Gala  */
290415a613bSKumar Gala void
291415a613bSKumar Gala local_bus_init(void)
292415a613bSKumar Gala {
2936d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
2946d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
295415a613bSKumar Gala 
296415a613bSKumar Gala 	uint clkdiv;
297415a613bSKumar Gala 	uint lbc_hz;
298415a613bSKumar Gala 	sys_info_t sysinfo;
299415a613bSKumar Gala 	uint temp_lbcdll;
300415a613bSKumar Gala 
301415a613bSKumar Gala 	/*
302415a613bSKumar Gala 	 * Errata LBC11.
303415a613bSKumar Gala 	 * Fix Local Bus clock glitch when DLL is enabled.
304415a613bSKumar Gala 	 *
305*8ed44d91SWolfgang Denk 	 * If localbus freq is < 66MHz, DLL bypass mode must be used.
306*8ed44d91SWolfgang Denk 	 * If localbus freq is > 133MHz, DLL can be safely enabled.
307415a613bSKumar Gala 	 * Between 66 and 133, the DLL is enabled with an override workaround.
308415a613bSKumar Gala 	 */
309415a613bSKumar Gala 
310415a613bSKumar Gala 	get_sys_info(&sysinfo);
311415a613bSKumar Gala 	clkdiv = lbc->lcrr & 0x0f;
312415a613bSKumar Gala 	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
313415a613bSKumar Gala 
314415a613bSKumar Gala 	if (lbc_hz < 66) {
315415a613bSKumar Gala 		lbc->lcrr |= 0x80000000;	/* DLL Bypass */
316415a613bSKumar Gala 
317415a613bSKumar Gala 	} else if (lbc_hz >= 133) {
318415a613bSKumar Gala 		lbc->lcrr &= (~0x80000000);		/* DLL Enabled */
319415a613bSKumar Gala 
320415a613bSKumar Gala 	} else {
321415a613bSKumar Gala 		lbc->lcrr &= (~0x8000000);	/* DLL Enabled */
322415a613bSKumar Gala 		udelay(200);
323415a613bSKumar Gala 
324415a613bSKumar Gala 		/*
325415a613bSKumar Gala 		 * Sample LBC DLL ctrl reg, upshift it to set the
326415a613bSKumar Gala 		 * override bits.
327415a613bSKumar Gala 		 */
328415a613bSKumar Gala 		temp_lbcdll = gur->lbcdllcr;
329415a613bSKumar Gala 		gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
330415a613bSKumar Gala 		asm("sync;isync;msync");
331415a613bSKumar Gala 	}
332415a613bSKumar Gala }
333415a613bSKumar Gala 
334415a613bSKumar Gala /*
335415a613bSKumar Gala  * Initialize SDRAM memory on the Local Bus.
336415a613bSKumar Gala  */
337415a613bSKumar Gala void
338415a613bSKumar Gala sdram_init(void)
339415a613bSKumar Gala {
3406d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
341415a613bSKumar Gala 
342415a613bSKumar Gala 	uint idx;
3436d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
3446d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
345415a613bSKumar Gala 	uint cpu_board_rev;
346415a613bSKumar Gala 	uint lsdmr_common;
347415a613bSKumar Gala 
348415a613bSKumar Gala 	puts("    SDRAM: ");
349415a613bSKumar Gala 
3506d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
351415a613bSKumar Gala 
352415a613bSKumar Gala 	/*
353415a613bSKumar Gala 	 * Setup SDRAM Base and Option Registers
354415a613bSKumar Gala 	 */
3556d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->or2 = CONFIG_SYS_OR2_PRELIM;
356415a613bSKumar Gala 	asm("msync");
357415a613bSKumar Gala 
3586d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->br2 = CONFIG_SYS_BR2_PRELIM;
359415a613bSKumar Gala 	asm("msync");
360415a613bSKumar Gala 
3616d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->lbcr = CONFIG_SYS_LBC_LBCR;
362415a613bSKumar Gala 	asm("msync");
363415a613bSKumar Gala 
3646d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->lsrt = CONFIG_SYS_LBC_LSRT;
3656d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
366415a613bSKumar Gala 	asm("msync");
367415a613bSKumar Gala 
368415a613bSKumar Gala 	/*
369415a613bSKumar Gala 	 * Determine which address lines to use baed on CPU board rev.
370415a613bSKumar Gala 	 */
371415a613bSKumar Gala 	cpu_board_rev = get_cpu_board_revision();
3726d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
373415a613bSKumar Gala 	if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
3746d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 		lsdmr_common |= CONFIG_SYS_LBC_LSDMR_BSMA1617;
375415a613bSKumar Gala 	} else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
3766d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 		lsdmr_common |= CONFIG_SYS_LBC_LSDMR_BSMA1516;
377415a613bSKumar Gala 	} else {
378415a613bSKumar Gala 		/*
379415a613bSKumar Gala 		 * Assume something unable to identify itself is
380415a613bSKumar Gala 		 * really old, and likely has lines 16/17 mapped.
381415a613bSKumar Gala 		 */
3826d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 		lsdmr_common |= CONFIG_SYS_LBC_LSDMR_BSMA1617;
383415a613bSKumar Gala 	}
384415a613bSKumar Gala 
385415a613bSKumar Gala 	/*
386415a613bSKumar Gala 	 * Issue PRECHARGE ALL command.
387415a613bSKumar Gala 	 */
3886d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->lsdmr = lsdmr_common | CONFIG_SYS_LBC_LSDMR_OP_PCHALL;
389415a613bSKumar Gala 	asm("sync;msync");
390415a613bSKumar Gala 	*sdram_addr = 0xff;
391415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
392415a613bSKumar Gala 	udelay(100);
393415a613bSKumar Gala 
394415a613bSKumar Gala 	/*
395415a613bSKumar Gala 	 * Issue 8 AUTO REFRESH commands.
396415a613bSKumar Gala 	 */
397415a613bSKumar Gala 	for (idx = 0; idx < 8; idx++) {
3986d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 		lbc->lsdmr = lsdmr_common | CONFIG_SYS_LBC_LSDMR_OP_ARFRSH;
399415a613bSKumar Gala 		asm("sync;msync");
400415a613bSKumar Gala 		*sdram_addr = 0xff;
401415a613bSKumar Gala 		ppcDcbf((unsigned long) sdram_addr);
402415a613bSKumar Gala 		udelay(100);
403415a613bSKumar Gala 	}
404415a613bSKumar Gala 
405415a613bSKumar Gala 	/*
406415a613bSKumar Gala 	 * Issue 8 MODE-set command.
407415a613bSKumar Gala 	 */
4086d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->lsdmr = lsdmr_common | CONFIG_SYS_LBC_LSDMR_OP_MRW;
409415a613bSKumar Gala 	asm("sync;msync");
410415a613bSKumar Gala 	*sdram_addr = 0xff;
411415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
412415a613bSKumar Gala 	udelay(100);
413415a613bSKumar Gala 
414415a613bSKumar Gala 	/*
415415a613bSKumar Gala 	 * Issue NORMAL OP command.
416415a613bSKumar Gala 	 */
4176d0f6bcfSJean-Christophe PLAGNIOL-VILLARD 	lbc->lsdmr = lsdmr_common | CONFIG_SYS_LBC_LSDMR_OP_NORMAL;
418415a613bSKumar Gala 	asm("sync;msync");
419415a613bSKumar Gala 	*sdram_addr = 0xff;
420415a613bSKumar Gala 	ppcDcbf((unsigned long) sdram_addr);
421415a613bSKumar Gala 	udelay(200);    /* Overkill. Must wait > 200 bus cycles */
422415a613bSKumar Gala 
423415a613bSKumar Gala #endif	/* enable SDRAM init */
424415a613bSKumar Gala }
425415a613bSKumar Gala 
426415a613bSKumar Gala #ifdef CONFIG_PCI
427415a613bSKumar Gala /* For some reason the Tundra PCI bridge shows up on itself as a
428415a613bSKumar Gala  * different device.  Work around that by refusing to configure it
429415a613bSKumar Gala  */
430415a613bSKumar Gala void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
431415a613bSKumar Gala 
432415a613bSKumar Gala static struct pci_config_table pci_mpc85xxcds_config_table[] = {
433415a613bSKumar Gala 	{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
434415a613bSKumar Gala 	{0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
435415a613bSKumar Gala 	{0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
436415a613bSKumar Gala 		mpc85xx_config_via_usbide, {0,0,0}},
437415a613bSKumar Gala 	{0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
438415a613bSKumar Gala 		mpc85xx_config_via_usb, {0,0,0}},
439415a613bSKumar Gala 	{0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
440415a613bSKumar Gala 		mpc85xx_config_via_usb2, {0,0,0}},
441415a613bSKumar Gala 	{0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
442415a613bSKumar Gala 		mpc85xx_config_via_power, {0,0,0}},
443415a613bSKumar Gala 	{0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
444415a613bSKumar Gala 		mpc85xx_config_via_ac97, {0,0,0}},
445415a613bSKumar Gala 	{},
446415a613bSKumar Gala };
447415a613bSKumar Gala 
448415a613bSKumar Gala 
449415a613bSKumar Gala static struct pci_controller hose[] = {
450415a613bSKumar Gala 	{
451415a613bSKumar Gala 	config_table: pci_mpc85xxcds_config_table,
452415a613bSKumar Gala 	},
453415a613bSKumar Gala #ifdef CONFIG_MPC85XX_PCI2
454415a613bSKumar Gala 	{},
455415a613bSKumar Gala #endif
456415a613bSKumar Gala };
457415a613bSKumar Gala 
458415a613bSKumar Gala #endif
459415a613bSKumar Gala 
460415a613bSKumar Gala void
461415a613bSKumar Gala pci_init_board(void)
462415a613bSKumar Gala {
463415a613bSKumar Gala #ifdef CONFIG_PCI
464415a613bSKumar Gala 	pci_mpc85xx_init(hose);
465415a613bSKumar Gala #endif
466415a613bSKumar Gala }
467415a613bSKumar Gala 
468415a613bSKumar Gala #if defined(CONFIG_OF_BOARD_SETUP)
469415a613bSKumar Gala void
470415a613bSKumar Gala ft_pci_setup(void *blob, bd_t *bd)
471415a613bSKumar Gala {
472415a613bSKumar Gala 	int node, tmp[2];
473415a613bSKumar Gala 	const char *path;
474415a613bSKumar Gala 
475415a613bSKumar Gala 	node = fdt_path_offset(blob, "/aliases");
476415a613bSKumar Gala 	tmp[0] = 0;
477415a613bSKumar Gala 	if (node >= 0) {
478415a613bSKumar Gala #ifdef CONFIG_PCI1
479415a613bSKumar Gala 		path = fdt_getprop(blob, node, "pci0", NULL);
480415a613bSKumar Gala 		if (path) {
481415a613bSKumar Gala 			tmp[1] = hose[0].last_busno - hose[0].first_busno;
482415a613bSKumar Gala 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
483415a613bSKumar Gala 		}
484415a613bSKumar Gala #endif
485415a613bSKumar Gala #ifdef CONFIG_MPC85XX_PCI2
486415a613bSKumar Gala 		path = fdt_getprop(blob, node, "pci1", NULL);
487415a613bSKumar Gala 		if (path) {
488415a613bSKumar Gala 			tmp[1] = hose[1].last_busno - hose[1].first_busno;
489415a613bSKumar Gala 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
490415a613bSKumar Gala 		}
491415a613bSKumar Gala #endif
492415a613bSKumar Gala 	}
493415a613bSKumar Gala }
494415a613bSKumar Gala #endif
495