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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
Matthias Fuchs83a49c82008-01-16 10:33:46 +01007 * 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>
Matthias Fuchs83a49c82008-01-16 10:33:46 +010032#include <asm/bitops.h>
Matthias Fuchs1f840212008-01-08 15:40:09 +010033#include <asm/ppc4xx-intvec.h>
Stefan Roese887e2ec2006-09-07 11:51:23 +020034
35DECLARE_GLOBAL_DATA_PTR;
36
Matthias Fuchs83a49c82008-01-16 10:33:46 +010037extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
Stefan Roese887e2ec2006-09-07 11:51:23 +020038
Stefan Roese1b3c3602006-12-22 14:29:40 +010039ulong flash_get_size (ulong base, int banknum);
40
Stefan Roese887e2ec2006-09-07 11:51:23 +020041int board_early_init_f(void)
42{
Stefan Roesea78bc442007-01-05 10:40:36 +010043 u32 sdr0_cust0;
44 u32 sdr0_pfc1, sdr0_pfc2;
45 u32 reg;
Stefan Roese887e2ec2006-09-07 11:51:23 +020046
47 mtdcr(ebccfga, xbcfg);
48 mtdcr(ebccfgd, 0xb8400000);
49
Matthias Fuchs83a49c82008-01-16 10:33:46 +010050 /*
Stefan Roese887e2ec2006-09-07 11:51:23 +020051 * Setup the interrupt controller polarities, triggers, etc.
Matthias Fuchs83a49c82008-01-16 10:33:46 +010052 */
Stefan Roese887e2ec2006-09-07 11:51:23 +020053 mtdcr(uic0sr, 0xffffffff); /* clear all */
54 mtdcr(uic0er, 0x00000000); /* disable all */
55 mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
56 mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
57 mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
58 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
59 mtdcr(uic0sr, 0xffffffff); /* clear all */
60
61 mtdcr(uic1sr, 0xffffffff); /* clear all */
62 mtdcr(uic1er, 0x00000000); /* disable all */
63 mtdcr(uic1cr, 0x00000000); /* all non-critical */
64 mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
65 mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
66 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
67 mtdcr(uic1sr, 0xffffffff); /* clear all */
68
69 mtdcr(uic2sr, 0xffffffff); /* clear all */
70 mtdcr(uic2er, 0x00000000); /* disable all */
71 mtdcr(uic2cr, 0x00000000); /* all non-critical */
72 mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
73 mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
74 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
75 mtdcr(uic2sr, 0xffffffff); /* clear all */
76
77 /* 50MHz tmrclk */
Larry Johnsond3471172007-12-22 15:34:39 -050078 out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020079
80 /* clear write protects */
Larry Johnsond3471172007-12-22 15:34:39 -050081 out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020082
83 /* enable Ethernet */
Larry Johnsond3471172007-12-22 15:34:39 -050084 out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00);
Stefan Roese887e2ec2006-09-07 11:51:23 +020085
86 /* enable USB device */
Larry Johnsond3471172007-12-22 15:34:39 -050087 out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20);
Stefan Roese887e2ec2006-09-07 11:51:23 +020088
89 /* select Ethernet pins */
90 mfsdr(SDR0_PFC1, sdr0_pfc1);
Matthias Fuchs83a49c82008-01-16 10:33:46 +010091 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
92 SDR0_PFC1_SELECT_CONFIG_4;
Stefan Roese887e2ec2006-09-07 11:51:23 +020093 mfsdr(SDR0_PFC2, sdr0_pfc2);
Matthias Fuchs83a49c82008-01-16 10:33:46 +010094 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
95 SDR0_PFC2_SELECT_CONFIG_4;
Stefan Roese887e2ec2006-09-07 11:51:23 +020096 mtsdr(SDR0_PFC2, sdr0_pfc2);
97 mtsdr(SDR0_PFC1, sdr0_pfc1);
98
99 /* PCI arbiter enabled */
100 mfsdr(sdr_pci0, reg);
101 mtsdr(sdr_pci0, 0x80000000 | reg);
102
103 /* setup NAND FLASH */
104 mfsdr(SDR0_CUST0, sdr0_cust0);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200105 sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
Stefan Roese887e2ec2006-09-07 11:51:23 +0200106 SDR0_CUST0_NDFC_ENABLE |
107 SDR0_CUST0_NDFC_BW_8_BIT |
108 SDR0_CUST0_NDFC_ARE_MASK |
109 (0x80000000 >> (28 + CFG_NAND_CS));
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200110 mtsdr(SDR0_CUST0, sdr0_cust0);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200111
112 return 0;
113}
114
Stefan Roese887e2ec2006-09-07 11:51:23 +0200115int misc_init_r(void)
116{
117 uint pbcr;
118 int size_val = 0;
Stefan Roesea78bc442007-01-05 10:40:36 +0100119 u32 reg;
Stefan Roese854bc8d2006-09-13 13:51:58 +0200120#ifdef CONFIG_440EPX
Stefan Roese887e2ec2006-09-07 11:51:23 +0200121 unsigned long usb2d0cr = 0;
122 unsigned long usb2phy0cr, usb2h0cr = 0;
123 unsigned long sdr0_pfc1;
124 char *act = getenv("usbact");
Stefan Roese854bc8d2006-09-13 13:51:58 +0200125#endif
Stefan Roese887e2ec2006-09-07 11:51:23 +0200126
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100127 /* Re-do flash sizing to get full correct info */
Stefan Roese1b3c3602006-12-22 14:29:40 +0100128
129 /* adjust flash start and offset */
130 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
131 gd->bd->bi_flashoffset = 0;
132
Stefan Roese887e2ec2006-09-07 11:51:23 +0200133#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
134 mtdcr(ebccfga, pb3cr);
135#else
136 mtdcr(ebccfga, pb0cr);
137#endif
138 pbcr = mfdcr(ebccfgd);
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100139 size_val = ffs(gd->bd->bi_flashsize) - 21;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200140 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
141#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
142 mtdcr(ebccfga, pb3cr);
143#else
144 mtdcr(ebccfga, pb0cr);
145#endif
146 mtdcr(ebccfgd, pbcr);
147
Stefan Roese1b3c3602006-12-22 14:29:40 +0100148 /*
149 * Re-check to get correct base address
150 */
151 flash_get_size(gd->bd->bi_flashstart, 0);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200152
153#ifdef CFG_ENV_IS_IN_FLASH
154 /* Monitor protection ON by default */
155 (void)flash_protect(FLAG_PROTECT_SET,
156 -CFG_MONITOR_LEN,
157 0xffffffff,
158 &flash_info[0]);
159
160 /* Env protection ON by default */
161 (void)flash_protect(FLAG_PROTECT_SET,
162 CFG_ENV_ADDR_REDUND,
163 CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
164 &flash_info[0]);
165#endif
166
167 /*
168 * USB suff...
169 */
Stefan Roese854bc8d2006-09-13 13:51:58 +0200170#ifdef CONFIG_440EPX
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100171 if (act == NULL || strcmp(act, "hostdev") == 0) {
Stefan Roese887e2ec2006-09-07 11:51:23 +0200172 /* SDR Setting */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200173 mfsdr(SDR0_PFC1, sdr0_pfc1);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200174 mfsdr(SDR0_USB2D0CR, usb2d0cr);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200175 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
176 mfsdr(SDR0_USB2H0CR, usb2h0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200177
178 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100179 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200180 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100181 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200182 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100183 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200184 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100185 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200186 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100187 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200188
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100189 /*
190 * An 8-bit/60MHz interface is the only possible alternative
191 * when connecting the Device to the PHY
192 */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200193 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100194 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200195
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100196 /*
197 * To enable the USB 2.0 Device function
198 * through the UTMI interface
199 */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200200 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100201 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200202
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200203 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100204 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200205
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200206 mtsdr(SDR0_PFC1, sdr0_pfc1);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200207 mtsdr(SDR0_USB2D0CR, usb2d0cr);
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200208 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
209 mtsdr(SDR0_USB2H0CR, usb2h0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200210
211 /*clear resets*/
212 udelay (1000);
213 mtsdr(SDR0_SRST1, 0x00000000);
214 udelay (1000);
215 mtsdr(SDR0_SRST0, 0x00000000);
216
217 printf("USB: Host(int phy) Device(ext phy)\n");
218
219 } else if (strcmp(act, "dev") == 0) {
220 /*-------------------PATCH-------------------------------*/
221 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
222
223 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100224 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200225 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100226 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200227 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100228 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200229 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100230 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200231 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
232
233 udelay (1000);
234 mtsdr(SDR0_SRST1, 0x672c6000);
235
236 udelay (1000);
237 mtsdr(SDR0_SRST0, 0x00000080);
238
239 udelay (1000);
240 mtsdr(SDR0_SRST1, 0x60206000);
241
242 *(unsigned int *)(0xe0000350) = 0x00000001;
243
244 udelay (1000);
245 mtsdr(SDR0_SRST1, 0x60306000);
246 /*-------------------PATCH-------------------------------*/
247
248 /* SDR Setting */
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200249 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200250 mfsdr(SDR0_USB2H0CR, usb2h0cr);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200251 mfsdr(SDR0_USB2D0CR, usb2d0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200252 mfsdr(SDR0_PFC1, sdr0_pfc1);
253
254 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100255 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200256 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100257 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200258 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100259 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200260 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100261 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200262 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100263 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200264
265 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100266 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200267
268 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100269 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200270
271 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100272 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200273
Wolfgang Denk511d0c72006-10-09 00:42:01 +0200274 mtsdr(SDR0_USB2H0CR, usb2h0cr);
275 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
Niklaus Gigerf780b832007-06-27 18:11:38 +0200276 mtsdr(SDR0_USB2D0CR, usb2d0cr);
Stefan Roese887e2ec2006-09-07 11:51:23 +0200277 mtsdr(SDR0_PFC1, sdr0_pfc1);
278
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100279 /* clear resets */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200280 udelay (1000);
281 mtsdr(SDR0_SRST1, 0x00000000);
282 udelay (1000);
283 mtsdr(SDR0_SRST0, 0x00000000);
284
285 printf("USB: Device(int phy)\n");
286 }
Stefan Roese854bc8d2006-09-13 13:51:58 +0200287#endif /* CONFIG_440EPX */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200288
John Otken john@softadvances.com8ce16f52007-03-08 09:39:48 -0600289 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
290 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
291 mtsdr(SDR0_SRST1, reg);
292
Stefan Roesea78bc442007-01-05 10:40:36 +0100293 /*
294 * Clear PLB4A0_ACR[WRP]
295 * This fix will make the MAL burst disabling patch for the Linux
296 * EMAC driver obsolete.
297 */
298 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
299 mtdcr(plb4_acr, reg);
300
Stefan Roese887e2ec2006-09-07 11:51:23 +0200301 return 0;
302}
303
304int checkboard(void)
305{
306 char *s = getenv("serial#");
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100307 u8 rev;
308 u8 val;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200309
Stefan Roese854bc8d2006-09-13 13:51:58 +0200310#ifdef CONFIG_440EPX
Stefan Roese887e2ec2006-09-07 11:51:23 +0200311 printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
Stefan Roese854bc8d2006-09-13 13:51:58 +0200312#else
313 printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
314#endif
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100315
Stefan Roese5a5958b2007-10-15 11:29:33 +0200316 rev = in_8((void *)(CFG_BCSR_BASE + 0));
317 val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
Stefan Roesee0b9ea82007-01-13 07:57:51 +0100318 printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
319
Stefan Roese887e2ec2006-09-07 11:51:23 +0200320 if (s != NULL) {
321 puts(", serial# ");
322 puts(s);
323 }
324 putc('\n');
325
326 return (0);
327}
328
329#if defined(CFG_DRAM_TEST)
330int testdram(void)
331{
332 unsigned long *mem = (unsigned long *)0;
333 const unsigned long kend = (1024 / sizeof(unsigned long));
334 unsigned long k, n;
335
336 mtmsr(0);
337
338 for (k = 0; k < CFG_MBYTES_SDRAM;
339 ++k, mem += (1024 / sizeof(unsigned long))) {
340 if ((k & 1023) == 0) {
341 printf("%3d MB\r", k / 1024);
342 }
343
344 memset(mem, 0xaaaaaaaa, 1024);
345 for (n = 0; n < kend; ++n) {
346 if (mem[n] != 0xaaaaaaaa) {
347 printf("SDRAM test fails at: %08x\n",
348 (uint) & mem[n]);
349 return 1;
350 }
351 }
352
353 memset(mem, 0x55555555, 1024);
354 for (n = 0; n < kend; ++n) {
355 if (mem[n] != 0x55555555) {
356 printf("SDRAM test fails at: %08x\n",
357 (uint) & mem[n]);
358 return 1;
359 }
360 }
361 }
362 printf("SDRAM test passes\n");
363 return 0;
364}
365#endif
366
Matthias Fuchs1f840212008-01-08 15:40:09 +0100367#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
368/*
369 * Assign interrupts to PCI devices.
370 */
371void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
372{
373 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIR2);
374}
375#endif
376
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100377/*
378 * pci_pre_init
Stefan Roese887e2ec2006-09-07 11:51:23 +0200379 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100380 * This routine is called just prior to registering the hose and gives
381 * the board the opportunity to check things. Returning a value of zero
382 * indicates that things are bad & PCI initialization should be aborted.
Stefan Roese887e2ec2006-09-07 11:51:23 +0200383 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100384 * Different boards may wish to customize the pci controller structure
385 * (add regions, override default access routines, etc) or perform
386 * certain pre-initialization actions.
387 */
Stefan Roese466fff12007-06-25 15:57:39 +0200388#if defined(CONFIG_PCI)
Stefan Roese887e2ec2006-09-07 11:51:23 +0200389int pci_pre_init(struct pci_controller *hose)
390{
391 unsigned long addr;
Stefan Roese887e2ec2006-09-07 11:51:23 +0200392
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100393 /*
394 * Set priority for all PLB3 devices to 0.
395 * Set PLB3 arbiter to fair mode.
396 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200397 mfsdr(sdr_amp1, addr);
398 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
399 addr = mfdcr(plb3_acr);
400 mtdcr(plb3_acr, addr | 0x80000000);
401
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100402 /*
403 * Set priority for all PLB4 devices to 0.
404 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200405 mfsdr(sdr_amp0, addr);
406 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
407 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
408 mtdcr(plb4_acr, addr);
409
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100410 /*
411 * Set Nebula PLB4 arbiter to fair mode.
412 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200413 /* Segment0 */
414 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
415 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
416 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
417 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
418 mtdcr(plb0_acr, addr);
419
420 /* Segment1 */
421 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
422 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
423 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
424 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
425 mtdcr(plb1_acr, addr);
426
Matthias Fuchs1f840212008-01-08 15:40:09 +0100427#ifdef CONFIG_PCI_PNP
428 hose->fixup_irq = sequoia_pci_fixup_irq;
429#endif
Stefan Roese887e2ec2006-09-07 11:51:23 +0200430 return 1;
431}
Stefan Roese466fff12007-06-25 15:57:39 +0200432#endif /* defined(CONFIG_PCI) */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200433
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100434/*
435 * pci_target_init
Stefan Roese887e2ec2006-09-07 11:51:23 +0200436 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100437 * The bootstrap configuration provides default settings for the pci
438 * inbound map (PIM). But the bootstrap config choices are limited and
439 * may not be sufficient for a given board.
440 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200441#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
442void pci_target_init(struct pci_controller *hose)
443{
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100444 /*
Stefan Roese887e2ec2006-09-07 11:51:23 +0200445 * Set up Direct MMIO registers
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100446 */
447 /*
448 * PowerPC440EPX PCI Master configuration.
449 * Map one 1Gig range of PLB/processor addresses to PCI memory space.
450 * PLB address 0xA0000000-0xDFFFFFFF
451 * ==> PCI address 0xA0000000-0xDFFFFFFF
452 * Use byte reversed out routines to handle endianess.
453 * Make this region non-prefetchable.
454 */
455 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
456 /* - disabled b4 setting */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200457 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100458 out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200459 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100460 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
461 /* and enable region */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200462
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100463 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
464 /* - disabled b4 setting */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200465 out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100466 out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200467 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100468 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
469 /* and enable region */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200470
471 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100472 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
473 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
474 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200475
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100476 /*
Stefan Roese887e2ec2006-09-07 11:51:23 +0200477 * Set up Configuration registers
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100478 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200479
480 /* Program the board's subsystem id/vendor id */
481 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
482 CFG_PCI_SUBSYS_VENDORID);
483 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
484
485 /* Configure command register as bus master */
486 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
487
488 /* 240nS PCI clock */
489 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
490
491 /* No error reporting */
492 pci_write_config_word(0, PCI_ERREN, 0);
493
494 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
495
496}
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100497#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200498
Stefan Roese887e2ec2006-09-07 11:51:23 +0200499#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
500void pci_master_init(struct pci_controller *hose)
501{
502 unsigned short temp_short;
503
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100504 /*
505 * Write the PowerPC440 EP PCI Configuration regs.
506 * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
507 * Enable PowerPC440 EP to act as a PCI memory target (PTM).
508 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200509 pci_read_config_word(0, PCI_COMMAND, &temp_short);
510 pci_write_config_word(0, PCI_COMMAND,
511 temp_short | PCI_COMMAND_MASTER |
512 PCI_COMMAND_MEMORY);
513}
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100514#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200515
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100516/*
517 * is_pci_host
Stefan Roese887e2ec2006-09-07 11:51:23 +0200518 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100519 * This routine is called to determine if a pci scan should be
520 * performed. With various hardware environments (especially cPCI and
521 * PPMC) it's insufficient to depend on the state of the arbiter enable
522 * bit in the strap register, or generic host/adapter assumptions.
Stefan Roese887e2ec2006-09-07 11:51:23 +0200523 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100524 * Rather than hard-code a bad assumption in the general 440 code, the
525 * 440 pci code requires the board to decide at runtime.
Stefan Roese887e2ec2006-09-07 11:51:23 +0200526 *
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100527 * Return 0 for adapter mode, non-zero for host (monarch) mode.
528 */
Stefan Roese887e2ec2006-09-07 11:51:23 +0200529#if defined(CONFIG_PCI)
530int is_pci_host(struct pci_controller *hose)
531{
532 /* Cactus is always configured as host. */
533 return (1);
534}
Matthias Fuchs83a49c82008-01-16 10:33:46 +0100535#endif /* defined(CONFIG_PCI) */
536
Igor Lisitsina11e0692007-03-28 19:06:19 +0400537#if defined(CONFIG_POST)
538/*
539 * Returns 1 if keys pressed to start the power-on long-running tests
540 * Called from board_init_f().
541 */
542int post_hotkeys_pressed(void)
543{
544 return 0; /* No hotkeys supported */
545}
546#endif /* CONFIG_POST */
Stefan Roese13628882007-12-13 14:52:53 +0100547
548#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
549void ft_board_setup(void *blob, bd_t *bd)
550{
551 u32 val[4];
552 int rc;
553
554 ft_cpu_setup(blob, bd);
555
556 /* Fixup NOR mapping */
557 val[0] = 0; /* chip select number */
558 val[1] = 0; /* always 0 */
559 val[2] = gd->bd->bi_flashstart;
560 val[3] = gd->bd->bi_flashsize;
561 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
562 val, sizeof(val), 1);
563 if (rc)
564 printf("Unable to update property NOR mapping, err=%s\n",
565 fdt_strerror(rc));
566}
567#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */