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Stefan Roese887e2ec2006-09-07 11:51:23 +02001/*
Stefan Roese5a5958b2007-10-15 11:29:33 +02002 * (C) Copyright 2006-2007
Stefan Roese887e2ec2006-09-07 11:51:23 +02003 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * (C) Copyright 2006
6 * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
Wolfgang Denk511d0c72006-10-09 00:42:01 +02007 * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
Stefan Roese887e2ec2006-09-07 11:51:23 +02008 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#include <common.h>
Stefan Roese13628882007-12-13 14:52:53 +010026#include <libfdt.h>
27#include <fdt_support.h>
28#include <ppc440.h>
Lawrence R. Johnsonb05e8bf2008-01-04 02:11:56 -050029#include <asm/gpio.h>
Stefan Roese887e2ec2006-09-07 11:51:23 +020030#include <asm/processor.h>
Stefan Roese5a5958b2007-10-15 11:29:33 +020031#include <asm/io.h>
Stefan Roese887e2ec2006-09-07 11:51:23 +020032
33DECLARE_GLOBAL_DATA_PTR;
34
35extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
36
Stefan Roese1b3c3602006-12-22 14:29:40 +010037ulong flash_get_size (ulong base, int banknum);
38
Stefan Roese887e2ec2006-09-07 11:51:23 +020039int board_early_init_f(void)
40{
Stefan Roesea78bc442007-01-05 10:40:36 +010041 u32 sdr0_cust0;
42 u32 sdr0_pfc1, sdr0_pfc2;
43 u32 reg;
Stefan Roese887e2ec2006-09-07 11:51:23 +020044
45 mtdcr(ebccfga, xbcfg);
46 mtdcr(ebccfgd, 0xb8400000);
47
48 /*--------------------------------------------------------------------
Stefan Roese887e2ec2006-09-07 11:51:23 +020049 * Setup the interrupt controller polarities, triggers, etc.
50 *-------------------------------------------------------------------*/
51 mtdcr(uic0sr, 0xffffffff); /* clear all */
52 mtdcr(uic0er, 0x00000000); /* disable all */
53 mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
54 mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
55 mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
56 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
57 mtdcr(uic0sr, 0xffffffff); /* clear all */
58
59 mtdcr(uic1sr, 0xffffffff); /* clear all */
60 mtdcr(uic1er, 0x00000000); /* disable all */
61 mtdcr(uic1cr, 0x00000000); /* all non-critical */
62 mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
63 mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
64 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
65 mtdcr(uic1sr, 0xffffffff); /* clear all */
66
67 mtdcr(uic2sr, 0xffffffff); /* clear all */
68 mtdcr(uic2er, 0x00000000); /* disable all */
69 mtdcr(uic2cr, 0x00000000); /* all non-critical */
70 mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
71 mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
72 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
73 mtdcr(uic2sr, 0xffffffff); /* clear all */
74
75 /* 50MHz tmrclk */
Larry Johnsond3471172007-12-22 15:34:39 -050076 out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020077
78 /* clear write protects */
Larry Johnsond3471172007-12-22 15:34:39 -050079 out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020080
81 /* enable Ethernet */
Larry Johnsond3471172007-12-22 15:34:39 -050082 out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020083
84 /* enable USB device */
Larry Johnsond3471172007-12-22 15:34:39 -050085 out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20);
Stefan Roese887e2ec2006-09-07 11:51:23 +020086
87 /* select Ethernet pins */
88 mfsdr(SDR0_PFC1, sdr0_pfc1);
89 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4;
90 mfsdr(SDR0_PFC2, sdr0_pfc2);
91 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4;
92 mtsdr(SDR0_PFC2, sdr0_pfc2);
93 mtsdr(SDR0_PFC1, sdr0_pfc1);
94
95 /* PCI arbiter enabled */
96 mfsdr(sdr_pci0, reg);
97 mtsdr(sdr_pci0, 0x80000000 | reg);
98
99 /* setup NAND FLASH */
100 mfsdr(SDR0_CUST0, sdr0_cust0);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200101 sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
Stefan Roese887e2ec2006-09-07 11:51:23 +0200102 SDR0_CUST0_NDFC_ENABLE |
103 SDR0_CUST0_NDFC_BW_8_BIT |
104 SDR0_CUST0_NDFC_ARE_MASK |
105 (0x80000000 >> (28 + CFG_NAND_CS));
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200106 mtsdr(SDR0_CUST0, sdr0_cust0);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200107
108 return 0;
109}
110
111/*---------------------------------------------------------------------------+
112 | misc_init_r.
113 +---------------------------------------------------------------------------*/
114int misc_init_r(void)
115{
116 uint pbcr;
117 int size_val = 0;
Stefan Roesea78bc442007-01-05 10:40:36 +0100118 u32 reg;
Stefan Roese854bc8d2006-09-13 13:51:58 +0200119#ifdef CONFIG_440EPX
Stefan Roese887e2ec2006-09-07 11:51:23 +0200120 unsigned long usb2d0cr = 0;
121 unsigned long usb2phy0cr, usb2h0cr = 0;
122 unsigned long sdr0_pfc1;
123 char *act = getenv("usbact");
Stefan Roese854bc8d2006-09-13 13:51:58 +0200124#endif
Stefan Roese887e2ec2006-09-07 11:51:23 +0200125
126 /*
127 * FLASH stuff...
128 */
129
130 /* Re-do sizing to get full correct info */
Stefan Roese1b3c3602006-12-22 14:29:40 +0100131
132 /* adjust flash start and offset */
133 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
134 gd->bd->bi_flashoffset = 0;
135
Stefan Roese887e2ec2006-09-07 11:51:23 +0200136#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
137 mtdcr(ebccfga, pb3cr);
138#else
139 mtdcr(ebccfga, pb0cr);
140#endif
141 pbcr = mfdcr(ebccfgd);
142 switch (gd->bd->bi_flashsize) {
143 case 1 << 20:
144 size_val = 0;
145 break;
146 case 2 << 20:
147 size_val = 1;
148 break;
149 case 4 << 20:
150 size_val = 2;
151 break;
152 case 8 << 20:
153 size_val = 3;
154 break;
155 case 16 << 20:
156 size_val = 4;
157 break;
158 case 32 << 20:
159 size_val = 5;
160 break;
161 case 64 << 20:
162 size_val = 6;
163 break;
164 case 128 << 20:
165 size_val = 7;
166 break;
167 }
168 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
169#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
170 mtdcr(ebccfga, pb3cr);
171#else
172 mtdcr(ebccfga, pb0cr);
173#endif
174 mtdcr(ebccfgd, pbcr);
175
Stefan Roese1b3c3602006-12-22 14:29:40 +0100176 /*
177 * Re-check to get correct base address
178 */
179 flash_get_size(gd->bd->bi_flashstart, 0);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200180
181#ifdef CFG_ENV_IS_IN_FLASH
182 /* Monitor protection ON by default */
183 (void)flash_protect(FLAG_PROTECT_SET,
184 -CFG_MONITOR_LEN,
185 0xffffffff,
186 &flash_info[0]);
187
188 /* Env protection ON by default */
189 (void)flash_protect(FLAG_PROTECT_SET,
190 CFG_ENV_ADDR_REDUND,
191 CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
192 &flash_info[0]);
193#endif
194
195 /*
196 * USB suff...
197 */
Stefan Roese854bc8d2006-09-13 13:51:58 +0200198#ifdef CONFIG_440EPX
Stefan Roese887e2ec2006-09-07 11:51:23 +0200199 if (act == NULL || strcmp(act, "hostdev") == 0) {
200 /* SDR Setting */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200201 mfsdr(SDR0_PFC1, sdr0_pfc1);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200202 mfsdr(SDR0_USB2D0CR, usb2d0cr);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200203 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
204 mfsdr(SDR0_USB2H0CR, usb2h0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200205
206 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
207 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200208 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
209 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200210 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200211 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200212 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200213 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200214 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200215 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200216
217 /* An 8-bit/60MHz interface is the only possible alternative
218 when connecting the Device to the PHY */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200219 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
220 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200221
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200222 /* To enable the USB 2.0 Device function through the UTMI interface */
223 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
224 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200225
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200226 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
227 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200228
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200229 mtsdr(SDR0_PFC1, sdr0_pfc1);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200230 mtsdr(SDR0_USB2D0CR, usb2d0cr);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200231 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
232 mtsdr(SDR0_USB2H0CR, usb2h0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200233
234 /*clear resets*/
235 udelay (1000);
236 mtsdr(SDR0_SRST1, 0x00000000);
237 udelay (1000);
238 mtsdr(SDR0_SRST0, 0x00000000);
239
240 printf("USB: Host(int phy) Device(ext phy)\n");
241
242 } else if (strcmp(act, "dev") == 0) {
243 /*-------------------PATCH-------------------------------*/
244 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
245
246 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
247 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
248 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200249 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200250 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200251 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200252 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200253 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200254 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
255
256 udelay (1000);
257 mtsdr(SDR0_SRST1, 0x672c6000);
258
259 udelay (1000);
260 mtsdr(SDR0_SRST0, 0x00000080);
261
262 udelay (1000);
263 mtsdr(SDR0_SRST1, 0x60206000);
264
265 *(unsigned int *)(0xe0000350) = 0x00000001;
266
267 udelay (1000);
268 mtsdr(SDR0_SRST1, 0x60306000);
269 /*-------------------PATCH-------------------------------*/
270
271 /* SDR Setting */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200272 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200273 mfsdr(SDR0_USB2H0CR, usb2h0cr);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200274 mfsdr(SDR0_USB2D0CR, usb2d0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200275 mfsdr(SDR0_PFC1, sdr0_pfc1);
276
277 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
278 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200279 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200280 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0*/
281 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200282 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200283 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200284 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200285 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200286 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200287
288 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200289 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200290
291 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200292 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200293
294 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200295 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1*/
Stefan Roese887e2ec2006-09-07 11:51:23 +0200296
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200297 mtsdr(SDR0_USB2H0CR, usb2h0cr);
298 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200299 mtsdr(SDR0_USB2D0CR, usb2d0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200300 mtsdr(SDR0_PFC1, sdr0_pfc1);
301
302 /*clear resets*/
303 udelay (1000);
304 mtsdr(SDR0_SRST1, 0x00000000);
305 udelay (1000);
306 mtsdr(SDR0_SRST0, 0x00000000);
307
308 printf("USB: Device(int phy)\n");
309 }
Stefan Roese854bc8d2006-09-13 13:51:58 +0200310#endif /* CONFIG_440EPX */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200311
John Otken john@softadvances.com8ce16f52007-03-08 09:39:48 -0600312 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
313 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
314 mtsdr(SDR0_SRST1, reg);
315
Stefan Roesea78bc442007-01-05 10:40:36 +0100316 /*
317 * Clear PLB4A0_ACR[WRP]
318 * This fix will make the MAL burst disabling patch for the Linux
319 * EMAC driver obsolete.
320 */
321 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
322 mtdcr(plb4_acr, reg);
323
Stefan Roese887e2ec2006-09-07 11:51:23 +0200324 return 0;
325}
326
327int checkboard(void)
328{
329 char *s = getenv("serial#");
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100330 u8 rev;
331 u8 val;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200332
Stefan Roese854bc8d2006-09-13 13:51:58 +0200333#ifdef CONFIG_440EPX
Stefan Roese887e2ec2006-09-07 11:51:23 +0200334 printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
Stefan Roese854bc8d2006-09-13 13:51:58 +0200335#else
336 printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
337#endif
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100338
Stefan Roese5a5958b2007-10-15 11:29:33 +0200339 rev = in_8((void *)(CFG_BCSR_BASE + 0));
340 val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100341 printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
342
Stefan Roese887e2ec2006-09-07 11:51:23 +0200343 if (s != NULL) {
344 puts(", serial# ");
345 puts(s);
346 }
347 putc('\n');
348
349 return (0);
350}
351
352#if defined(CFG_DRAM_TEST)
353int testdram(void)
354{
355 unsigned long *mem = (unsigned long *)0;
356 const unsigned long kend = (1024 / sizeof(unsigned long));
357 unsigned long k, n;
358
359 mtmsr(0);
360
361 for (k = 0; k < CFG_MBYTES_SDRAM;
362 ++k, mem += (1024 / sizeof(unsigned long))) {
363 if ((k & 1023) == 0) {
364 printf("%3d MB\r", k / 1024);
365 }
366
367 memset(mem, 0xaaaaaaaa, 1024);
368 for (n = 0; n < kend; ++n) {
369 if (mem[n] != 0xaaaaaaaa) {
370 printf("SDRAM test fails at: %08x\n",
371 (uint) & mem[n]);
372 return 1;
373 }
374 }
375
376 memset(mem, 0x55555555, 1024);
377 for (n = 0; n < kend; ++n) {
378 if (mem[n] != 0x55555555) {
379 printf("SDRAM test fails at: %08x\n",
380 (uint) & mem[n]);
381 return 1;
382 }
383 }
384 }
385 printf("SDRAM test passes\n");
386 return 0;
387}
388#endif
389
390/*************************************************************************
391 * pci_pre_init
392 *
393 * This routine is called just prior to registering the hose and gives
394 * the board the opportunity to check things. Returning a value of zero
395 * indicates that things are bad & PCI initialization should be aborted.
396 *
397 * Different boards may wish to customize the pci controller structure
398 * (add regions, override default access routines, etc) or perform
399 * certain pre-initialization actions.
400 *
401 ************************************************************************/
Stefan Roese466fff12007-06-25 15:57:39 +0200402#if defined(CONFIG_PCI)
Stefan Roese887e2ec2006-09-07 11:51:23 +0200403int pci_pre_init(struct pci_controller *hose)
404{
405 unsigned long addr;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200406
407 /*-------------------------------------------------------------------------+
408 | Set priority for all PLB3 devices to 0.
409 | Set PLB3 arbiter to fair mode.
410 +-------------------------------------------------------------------------*/
411 mfsdr(sdr_amp1, addr);
412 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
413 addr = mfdcr(plb3_acr);
414 mtdcr(plb3_acr, addr | 0x80000000);
415
416 /*-------------------------------------------------------------------------+
417 | Set priority for all PLB4 devices to 0.
418 +-------------------------------------------------------------------------*/
419 mfsdr(sdr_amp0, addr);
420 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
421 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
422 mtdcr(plb4_acr, addr);
423
424 /*-------------------------------------------------------------------------+
425 | Set Nebula PLB4 arbiter to fair mode.
426 +-------------------------------------------------------------------------*/
427 /* Segment0 */
428 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
429 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
430 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
431 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
432 mtdcr(plb0_acr, addr);
433
434 /* Segment1 */
435 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
436 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
437 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
438 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
439 mtdcr(plb1_acr, addr);
440
441 return 1;
442}
Stefan Roese466fff12007-06-25 15:57:39 +0200443#endif /* defined(CONFIG_PCI) */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200444
445/*************************************************************************
446 * pci_target_init
447 *
448 * The bootstrap configuration provides default settings for the pci
449 * inbound map (PIM). But the bootstrap config choices are limited and
450 * may not be sufficient for a given board.
451 *
452 ************************************************************************/
453#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
454void pci_target_init(struct pci_controller *hose)
455{
456 /*--------------------------------------------------------------------------+
457 * Set up Direct MMIO registers
458 *--------------------------------------------------------------------------*/
459 /*--------------------------------------------------------------------------+
460 | PowerPC440EPX PCI Master configuration.
461 | Map one 1Gig range of PLB/processor addresses to PCI memory space.
462 | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
463 | Use byte reversed out routines to handle endianess.
464 | Make this region non-prefetchable.
465 +--------------------------------------------------------------------------*/
466 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
467 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
468 out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
469 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
470 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
471
472 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
473 out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
474 out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
475 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
476 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
477
478 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
479 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
480 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
481 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
482
483 /*--------------------------------------------------------------------------+
484 * Set up Configuration registers
485 *--------------------------------------------------------------------------*/
486
487 /* Program the board's subsystem id/vendor id */
488 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
489 CFG_PCI_SUBSYS_VENDORID);
490 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
491
492 /* Configure command register as bus master */
493 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
494
495 /* 240nS PCI clock */
496 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
497
498 /* No error reporting */
499 pci_write_config_word(0, PCI_ERREN, 0);
500
501 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
502
503}
504#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
505
506/*************************************************************************
507 * pci_master_init
508 *
509 ************************************************************************/
510#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
511void pci_master_init(struct pci_controller *hose)
512{
513 unsigned short temp_short;
514
515 /*--------------------------------------------------------------------------+
516 | Write the PowerPC440 EP PCI Configuration regs.
517 | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
518 | Enable PowerPC440 EP to act as a PCI memory target (PTM).
519 +--------------------------------------------------------------------------*/
520 pci_read_config_word(0, PCI_COMMAND, &temp_short);
521 pci_write_config_word(0, PCI_COMMAND,
522 temp_short | PCI_COMMAND_MASTER |
523 PCI_COMMAND_MEMORY);
524}
525#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
526
527/*************************************************************************
528 * is_pci_host
529 *
530 * This routine is called to determine if a pci scan should be
531 * performed. With various hardware environments (especially cPCI and
532 * PPMC) it's insufficient to depend on the state of the arbiter enable
533 * bit in the strap register, or generic host/adapter assumptions.
534 *
535 * Rather than hard-code a bad assumption in the general 440 code, the
536 * 440 pci code requires the board to decide at runtime.
537 *
538 * Return 0 for adapter mode, non-zero for host (monarch) mode.
539 *
540 *
541 ************************************************************************/
542#if defined(CONFIG_PCI)
543int is_pci_host(struct pci_controller *hose)
544{
545 /* Cactus is always configured as host. */
546 return (1);
547}
548#endif /* defined(CONFIG_PCI) */
Igor Lisitsina11e0692007-03-28 19:06:19 +0400549#if defined(CONFIG_POST)
550/*
551 * Returns 1 if keys pressed to start the power-on long-running tests
552 * Called from board_init_f().
553 */
554int post_hotkeys_pressed(void)
555{
556 return 0; /* No hotkeys supported */
557}
558#endif /* CONFIG_POST */
Stefan Roese13628882007-12-13 14:52:53 +0100559
560#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
561void ft_board_setup(void *blob, bd_t *bd)
562{
563 u32 val[4];
564 int rc;
565
566 ft_cpu_setup(blob, bd);
567
568 /* Fixup NOR mapping */
569 val[0] = 0; /* chip select number */
570 val[1] = 0; /* always 0 */
571 val[2] = gd->bd->bi_flashstart;
572 val[3] = gd->bd->bi_flashsize;
573 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
574 val, sizeof(val), 1);
575 if (rc)
576 printf("Unable to update property NOR mapping, err=%s\n",
577 fdt_strerror(rc));
578}
579#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */