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wdenk0aeb8532004-10-10 21:21:55 +00001/*
2 * Copyright 2004 Freescale Semiconductor.
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
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
wdenk0aeb8532004-10-10 21:21:55 +000023#include <common.h>
24#include <pci.h>
25#include <asm/processor.h>
Jon Loeligerc63209f2008-03-18 11:12:42 -050026#include <asm/mmu.h>
wdenk0aeb8532004-10-10 21:21:55 +000027#include <asm/immap_85xx.h>
Jon Loeligerc63209f2008-03-18 11:12:42 -050028#include <asm/fsl_ddr_sdram.h>
Wolfgang Denkcd0bf802005-07-21 16:14:36 +020029#include <ioports.h>
Jon Loeligerde9737d2008-03-04 10:03:03 -060030#include <spd_sdram.h>
Kumar Galad28ced32007-11-29 00:11:44 -060031#include <libfdt.h>
32#include <fdt_support.h>
wdenk0aeb8532004-10-10 21:21:55 +000033
34#include "../common/cadmus.h"
35#include "../common/eeprom.h"
Matthew McClintock3b662012006-06-28 10:46:13 -050036#include "../common/via.h"
wdenk0aeb8532004-10-10 21:21:55 +000037
Jon Loeliger77a4f6e2005-07-25 14:05:07 -050038#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk0aeb8532004-10-10 21:21:55 +000039extern void ddr_enable_ecc(unsigned int dram_size);
40#endif
41
wdenk0aeb8532004-10-10 21:21:55 +000042void local_bus_init(void);
43void sdram_init(void);
44
Wolfgang Denkcd0bf802005-07-21 16:14:36 +020045/*
46 * I/O Port configuration table
47 *
48 * if conf is 1, then that port pin will be configured at boot time
49 * according to the five values podr/pdir/ppar/psor/pdat for that entry
50 */
51
52const iop_conf_t iop_conf_tab[4][32] = {
53
54 /* Port A configuration */
55 { /* conf ppar psor pdir podr pdat */
56 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
57 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
58 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
59 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
60 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
61 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
62 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
63 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
64 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
65 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
66 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
67 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
68 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
69 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
70 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
71 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
72 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
73 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
74 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
75 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
76 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
77 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
78 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
79 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
80 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
81 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
82 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
83 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
84 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
85 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
86 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
87 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
88 },
89
90 /* Port B configuration */
91 { /* conf ppar psor pdir podr pdat */
92 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
93 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
94 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
95 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
96 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
97 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
98 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
99 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
100 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
101 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
102 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
103 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
104 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
105 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
106 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
107 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
108 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
109 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
110 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
111 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
112 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
113 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
114 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
115 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
116 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
117 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
118 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
119 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
120 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
121 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
122 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
123 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
124 },
125
126 /* Port C */
127 { /* conf ppar psor pdir podr pdat */
128 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
129 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
130 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
131 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
132 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
133 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
134 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
135 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
136 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
137 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
138 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
139 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
140 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
141 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
142 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
143 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
144 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
145 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
146 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
147 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
148 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
149 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
150 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
151 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
152 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
153 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
154 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
155 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
156 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
157 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
158 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
159 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
160 },
161
162 /* Port D */
163 { /* conf ppar psor pdir podr pdat */
164 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
165 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
166 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
167 /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
168 /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
169 /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
170 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
171 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
172 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
173 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
174 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
175 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
176 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
177 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
178 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
179 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
180 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
181 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
182 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
183 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
184 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
185 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
186 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
187 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
188 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
189 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
190 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
191 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
192 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
193 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
194 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
195 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
196 }
197};
198
wdenkef3386f2004-10-10 21:27:30 +0000199int checkboard (void)
wdenk0aeb8532004-10-10 21:21:55 +0000200{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200201 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
wdenk0aeb8532004-10-10 21:21:55 +0000202
wdenkef3386f2004-10-10 21:27:30 +0000203 /* PCI slot in USER bits CSR[6:7] by convention. */
204 uint pci_slot = get_pci_slot ();
wdenk0aeb8532004-10-10 21:21:55 +0000205
wdenkef3386f2004-10-10 21:27:30 +0000206 uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
207 uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */
208 uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */
209 uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
wdenk0aeb8532004-10-10 21:21:55 +0000210
wdenkef3386f2004-10-10 21:27:30 +0000211 uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
wdenk0aeb8532004-10-10 21:21:55 +0000212
wdenkef3386f2004-10-10 21:27:30 +0000213 uint cpu_board_rev = get_cpu_board_revision ();
wdenk0aeb8532004-10-10 21:21:55 +0000214
wdenkef3386f2004-10-10 21:27:30 +0000215 printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
216 get_board_version (), pci_slot);
wdenk0aeb8532004-10-10 21:21:55 +0000217
wdenkef3386f2004-10-10 21:27:30 +0000218 printf ("CPU Board Revision %d.%d (0x%04x)\n",
219 MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
220 MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
wdenk0aeb8532004-10-10 21:21:55 +0000221
wdenkef3386f2004-10-10 21:27:30 +0000222 printf (" PCI1: %d bit, %s MHz, %s\n",
223 (pci1_32) ? 32 : 64,
224 (pci1_speed == 33000000) ? "33" :
225 (pci1_speed == 66000000) ? "66" : "unknown",
226 pci1_clk_sel ? "sync" : "async");
wdenk0aeb8532004-10-10 21:21:55 +0000227
wdenkef3386f2004-10-10 21:27:30 +0000228 if (pci_dual) {
229 printf (" PCI2: 32 bit, 66 MHz, %s\n",
230 pci2_clk_sel ? "sync" : "async");
231 } else {
232 printf (" PCI2: disabled\n");
233 }
wdenk0aeb8532004-10-10 21:21:55 +0000234
wdenkef3386f2004-10-10 21:27:30 +0000235 /*
236 * Initialize local bus.
237 */
238 local_bus_init ();
wdenk0aeb8532004-10-10 21:21:55 +0000239
wdenkef3386f2004-10-10 21:27:30 +0000240 return 0;
wdenk0aeb8532004-10-10 21:21:55 +0000241}
242
Becky Brucebd99ae72008-06-09 16:03:40 -0500243phys_size_t
wdenk0aeb8532004-10-10 21:21:55 +0000244initdram(int board_type)
245{
246 long dram_size = 0;
wdenk0aeb8532004-10-10 21:21:55 +0000247
248 puts("Initializing\n");
249
250#if defined(CONFIG_DDR_DLL)
251 {
252 /*
253 * Work around to stabilize DDR DLL MSYNC_IN.
254 * Errata DDR9 seems to have been fixed.
255 * This is now the workaround for Errata DDR11:
256 * Override DLL = 1, Course Adj = 1, Tap Select = 0
257 */
258
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200259 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
wdenk0aeb8532004-10-10 21:21:55 +0000260
261 gur->ddrdllcr = 0x81000000;
262 asm("sync;isync;msync");
263 udelay(200);
264 }
265#endif
Jon Loeligerc63209f2008-03-18 11:12:42 -0500266
267 dram_size = fsl_ddr_sdram();
268 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
269 dram_size *= 0x100000;
wdenk0aeb8532004-10-10 21:21:55 +0000270
Jon Loeliger77a4f6e2005-07-25 14:05:07 -0500271#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk0aeb8532004-10-10 21:21:55 +0000272 /*
273 * Initialize and enable DDR ECC.
274 */
275 ddr_enable_ecc(dram_size);
276#endif
Jon Loeligerc63209f2008-03-18 11:12:42 -0500277
wdenk0aeb8532004-10-10 21:21:55 +0000278 /*
279 * SDRAM Initialization
280 */
281 sdram_init();
282
283 puts(" DDR: ");
284 return dram_size;
285}
286
wdenk0aeb8532004-10-10 21:21:55 +0000287/*
288 * Initialize Local Bus
289 */
wdenk0aeb8532004-10-10 21:21:55 +0000290void
291local_bus_init(void)
292{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200293 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
Becky Bruce0d4cee12010-06-17 11:37:20 -0500294 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
wdenk0aeb8532004-10-10 21:21:55 +0000295
296 uint clkdiv;
297 uint lbc_hz;
298 sys_info_t sysinfo;
299 uint temp_lbcdll;
300
301 /*
302 * Errata LBC11.
303 * Fix Local Bus clock glitch when DLL is enabled.
304 *
Wolfgang Denkaf0501a2008-10-19 02:35:50 +0200305 * If localbus freq is < 66MHz, DLL bypass mode must be used.
306 * If localbus freq is > 133MHz, DLL can be safely enabled.
wdenk0aeb8532004-10-10 21:21:55 +0000307 * Between 66 and 133, the DLL is enabled with an override workaround.
308 */
309
310 get_sys_info(&sysinfo);
Trent Piepho1b560ac2008-12-03 15:16:34 -0800311 clkdiv = lbc->lcrr & LCRR_CLKDIV;
wdenk0aeb8532004-10-10 21:21:55 +0000312 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
313
314 if (lbc_hz < 66) {
315 lbc->lcrr |= 0x80000000; /* DLL Bypass */
316
317 } else if (lbc_hz >= 133) {
318 lbc->lcrr &= (~0x80000000); /* DLL Enabled */
319
320 } else {
321 lbc->lcrr &= (~0x8000000); /* DLL Enabled */
322 udelay(200);
323
324 /*
325 * Sample LBC DLL ctrl reg, upshift it to set the
326 * override bits.
327 */
328 temp_lbcdll = gur->lbcdllcr;
329 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
330 asm("sync;isync;msync");
331 }
332}
333
wdenk0aeb8532004-10-10 21:21:55 +0000334/*
335 * Initialize SDRAM memory on the Local Bus.
336 */
wdenk0aeb8532004-10-10 21:21:55 +0000337void
338sdram_init(void)
339{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200340#if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
wdenk0aeb8532004-10-10 21:21:55 +0000341
342 uint idx;
Becky Bruce0d4cee12010-06-17 11:37:20 -0500343 volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200344 uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
wdenk0aeb8532004-10-10 21:21:55 +0000345 uint cpu_board_rev;
346 uint lsdmr_common;
347
348 puts(" SDRAM: ");
349
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200350 print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
wdenk0aeb8532004-10-10 21:21:55 +0000351
352 /*
353 * Setup SDRAM Base and Option Registers
354 */
Becky Bruce0d4cee12010-06-17 11:37:20 -0500355 set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
356 set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200357 lbc->lbcr = CONFIG_SYS_LBC_LBCR;
wdenk0aeb8532004-10-10 21:21:55 +0000358 asm("msync");
359
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200360 lbc->lsrt = CONFIG_SYS_LBC_LSRT;
361 lbc->mrtpr = CONFIG_SYS_LBC_MRTPR;
wdenk0aeb8532004-10-10 21:21:55 +0000362 asm("msync");
363
364 /*
365 * Determine which address lines to use baed on CPU board rev.
366 */
367 cpu_board_rev = get_cpu_board_revision();
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200368 lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
wdenk0aeb8532004-10-10 21:21:55 +0000369 if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
Kumar Gala727c6a62009-03-26 01:34:38 -0500370 lsdmr_common |= LSDMR_BSMA1617;
wdenk0aeb8532004-10-10 21:21:55 +0000371 } else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
Kumar Gala727c6a62009-03-26 01:34:38 -0500372 lsdmr_common |= LSDMR_BSMA1516;
wdenk0aeb8532004-10-10 21:21:55 +0000373 } else {
374 /*
375 * Assume something unable to identify itself is
376 * really old, and likely has lines 16/17 mapped.
377 */
Kumar Gala727c6a62009-03-26 01:34:38 -0500378 lsdmr_common |= LSDMR_BSMA1617;
wdenk0aeb8532004-10-10 21:21:55 +0000379 }
380
381 /*
382 * Issue PRECHARGE ALL command.
383 */
Kumar Gala727c6a62009-03-26 01:34:38 -0500384 lbc->lsdmr = lsdmr_common | LSDMR_OP_PCHALL;
wdenk0aeb8532004-10-10 21:21:55 +0000385 asm("sync;msync");
386 *sdram_addr = 0xff;
387 ppcDcbf((unsigned long) sdram_addr);
388 udelay(100);
389
390 /*
391 * Issue 8 AUTO REFRESH commands.
392 */
393 for (idx = 0; idx < 8; idx++) {
Kumar Gala727c6a62009-03-26 01:34:38 -0500394 lbc->lsdmr = lsdmr_common | LSDMR_OP_ARFRSH;
wdenk0aeb8532004-10-10 21:21:55 +0000395 asm("sync;msync");
396 *sdram_addr = 0xff;
397 ppcDcbf((unsigned long) sdram_addr);
398 udelay(100);
399 }
400
401 /*
402 * Issue 8 MODE-set command.
403 */
Kumar Gala727c6a62009-03-26 01:34:38 -0500404 lbc->lsdmr = lsdmr_common | LSDMR_OP_MRW;
wdenk0aeb8532004-10-10 21:21:55 +0000405 asm("sync;msync");
406 *sdram_addr = 0xff;
407 ppcDcbf((unsigned long) sdram_addr);
408 udelay(100);
409
410 /*
411 * Issue NORMAL OP command.
412 */
Kumar Gala727c6a62009-03-26 01:34:38 -0500413 lbc->lsdmr = lsdmr_common | LSDMR_OP_NORMAL;
wdenk0aeb8532004-10-10 21:21:55 +0000414 asm("sync;msync");
415 *sdram_addr = 0xff;
416 ppcDcbf((unsigned long) sdram_addr);
417 udelay(200); /* Overkill. Must wait > 200 bus cycles */
418
419#endif /* enable SDRAM init */
420}
421
Matthew McClintock3b662012006-06-28 10:46:13 -0500422#ifdef CONFIG_PCI
423/* For some reason the Tundra PCI bridge shows up on itself as a
424 * different device. Work around that by refusing to configure it
wdenk0aeb8532004-10-10 21:21:55 +0000425 */
Matthew McClintock3b662012006-06-28 10:46:13 -0500426void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
wdenk0aeb8532004-10-10 21:21:55 +0000427
wdenk0aeb8532004-10-10 21:21:55 +0000428static struct pci_config_table pci_mpc85xxcds_config_table[] = {
Matthew McClintock3b662012006-06-28 10:46:13 -0500429 {0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
Randy Vinson1dfd6d92007-02-27 19:42:22 -0700430 {0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
431 {0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
Andy Flemingdcd580b2007-02-24 01:08:13 -0600432 mpc85xx_config_via_usbide, {0,0,0}},
Randy Vinson1dfd6d92007-02-27 19:42:22 -0700433 {0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
434 mpc85xx_config_via_usb, {0,0,0}},
435 {0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
436 mpc85xx_config_via_usb2, {0,0,0}},
437 {0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
Andy Flemingdcd580b2007-02-24 01:08:13 -0600438 mpc85xx_config_via_power, {0,0,0}},
Randy Vinson1dfd6d92007-02-27 19:42:22 -0700439 {0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
440 mpc85xx_config_via_ac97, {0,0,0}},
Andy Flemingdcd580b2007-02-24 01:08:13 -0600441 {},
wdenk0aeb8532004-10-10 21:21:55 +0000442};
wdenk0aeb8532004-10-10 21:21:55 +0000443
Matthew McClintock3b662012006-06-28 10:46:13 -0500444
445static struct pci_controller hose[] = {
446 {
wdenk0aeb8532004-10-10 21:21:55 +0000447 config_table: pci_mpc85xxcds_config_table,
Matthew McClintock3b662012006-06-28 10:46:13 -0500448 },
449#ifdef CONFIG_MPC85XX_PCI2
Andy Flemingdcd580b2007-02-24 01:08:13 -0600450 {},
wdenk0aeb8532004-10-10 21:21:55 +0000451#endif
452};
453
Matthew McClintock3b662012006-06-28 10:46:13 -0500454#endif
wdenk0aeb8532004-10-10 21:21:55 +0000455
wdenk0aeb8532004-10-10 21:21:55 +0000456void
457pci_init_board(void)
458{
459#ifdef CONFIG_PCI
Matthew McClintockf32ef672006-06-28 10:46:35 -0500460 pci_mpc85xx_init(hose);
wdenk0aeb8532004-10-10 21:21:55 +0000461#endif
462}
Kumar Galad28ced32007-11-29 00:11:44 -0600463
464#if defined(CONFIG_OF_BOARD_SETUP)
465void
466ft_pci_setup(void *blob, bd_t *bd)
467{
468 int node, tmp[2];
469 const char *path;
470
471 node = fdt_path_offset(blob, "/aliases");
472 tmp[0] = 0;
473 if (node >= 0) {
474#ifdef CONFIG_PCI1
475 path = fdt_getprop(blob, node, "pci0", NULL);
476 if (path) {
477 tmp[1] = hose[0].last_busno - hose[0].first_busno;
478 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
479 }
480#endif
481#ifdef CONFIG_MPC85XX_PCI2
482 path = fdt_getprop(blob, node, "pci1", NULL);
483 if (path) {
484 tmp[1] = hose[1].last_busno - hose[1].first_busno;
485 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
486 }
487#endif
488 }
489}
490#endif