3 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/processor.h>
33 unsigned long get_dram_size (void);
34 void sdram_init(void);
37 * Macros to transform values
38 * into environment strings.
41 #define MK_STR(x) XMK_STR(x)
43 /* ------------------------------------------------------------------------- */
45 int board_early_init_f (void)
47 #if defined(CONFIG_W7OLMG)
49 * Setup GPIO pins - reset devices.
51 out32 (PPC405GP_GPIO0_ODR, 0x10000000); /* one open drain pin */
52 out32 (PPC405GP_GPIO0_OR, 0x3E000000); /* set output pins to default */
53 out32 (PPC405GP_GPIO0_TCR, 0x7f800000); /* setup for output */
56 * IRQ 0-15 405GP internally generated; active high; level sensitive
57 * IRQ 16 405GP internally generated; active low; level sensitive
59 * IRQ 25 (EXT IRQ 0) XILINX; active low; level sensitive
60 * IRQ 26 (EXT IRQ 1) PCI INT A; active low; level sensitive
61 * IRQ 27 (EXT IRQ 2) PCI INT B; active low; level sensitive
62 * IRQ 28 (EXT IRQ 3) SAM 2; active low; level sensitive
63 * IRQ 29 (EXT IRQ 4) Battery Bad; active low; level sensitive
64 * IRQ 30 (EXT IRQ 5) Level One PHY; active low; level sensitive
65 * IRQ 31 (EXT IRQ 6) SAM 1; active high; level sensitive
67 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
68 mtdcr (UIC0ER, 0x00000000); /* disable all ints */
70 mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */
71 mtdcr (UIC0PR, 0xFFFFFF80); /* set int polarities */
72 mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
73 mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,
74 INT0 highest priority */
76 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
78 #elif defined(CONFIG_W7OLMC)
82 out32 (PPC405GP_GPIO0_ODR, 0x01800000); /* XCV Done Open Drain */
83 out32 (PPC405GP_GPIO0_OR, 0x03800000); /* set out pins to default */
84 out32 (PPC405GP_GPIO0_TCR, 0x66C00000); /* setup for output */
87 * IRQ 0-15 405GP internally generated; active high; level sensitive
88 * IRQ 16 405GP internally generated; active low; level sensitive
90 * IRQ 25 (EXT IRQ 0) DBE 0; active low; level sensitive
91 * IRQ 26 (EXT IRQ 1) DBE 1; active low; level sensitive
92 * IRQ 27 (EXT IRQ 2) DBE 2; active low; level sensitive
93 * IRQ 28 (EXT IRQ 3) DBE Common; active low; level sensitive
94 * IRQ 29 (EXT IRQ 4) PCI; active low; level sensitive
95 * IRQ 30 (EXT IRQ 5) RCMM Reset; active low; level sensitive
96 * IRQ 31 (EXT IRQ 6) PHY; active high; level sensitive
98 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
99 mtdcr (UIC0ER, 0x00000000); /* disable all ints */
101 mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */
102 mtdcr (UIC0PR, 0xFFFFFF80); /* set int polarities */
103 mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
104 mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,
105 INT0 highest priority */
107 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
110 # error "Unknown W7O board configuration"
113 WATCHDOG_RESET (); /* Reset the watchdog */
114 temp_uart_init (); /* init the uart for debug */
115 WATCHDOG_RESET (); /* Reset the watchdog */
116 test_led (); /* test the LEDs */
117 test_sdram (get_dram_size ()); /* test the dram */
118 log_stat (ERR_POST1); /* log status,post1 complete */
123 /* ------------------------------------------------------------------------- */
126 * Check Board Identity:
128 int checkboard (void)
134 /* VPD data present in I2C EEPROM */
135 if (vpd_get_data (CONFIG_SYS_DEF_EEPROM_ADDR, &vpd) == 0) {
139 if (vpd.productId[0] &&
140 ((strncmp (vpd.productId, "GMM", 3) == 0) ||
141 (strncmp (vpd.productId, "CMM", 3) == 0))) {
143 /* Output board information on startup */
144 printf ("\"%s\", revision '%c', serial# %ld, manufacturer %u\n", vpd.productId, vpd.revisionId, vpd.serialNum, vpd.manuID);
149 puts ("### Unknown HW ID - assuming NOTHING\n");
153 /* ------------------------------------------------------------------------- */
155 phys_size_t initdram (int board_type)
158 * ToDo: Move the asm init routine sdram_init() to this C file,
159 * or even better use some common ppc4xx code available
160 * in arch/powerpc/cpu/ppc4xx
164 return get_dram_size ();
167 unsigned long get_dram_size (void)
172 /* Get bank Size registers */
173 mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); /* get bank 0 config reg */
174 regs[0] = mfdcr (SDRAM0_CFGDATA);
176 mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); /* get bank 1 config reg */
177 regs[1] = mfdcr (SDRAM0_CFGDATA);
179 mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); /* get bank 2 config reg */
180 regs[2] = mfdcr (SDRAM0_CFGDATA);
182 mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); /* get bank 3 config reg */
183 regs[3] = mfdcr (SDRAM0_CFGDATA);
185 /* compute the size, add each bank if enabled */
186 for (i = 0; i < 4; i++) {
187 if (regs[i] & 0x0001) { /* if enabled, */
188 tmp = ((regs[i] >> (31 - 14)) & 0x7); /* get size bits */
189 tmp = 0x400000 << tmp; /* Size bits X 4MB = size */
197 int misc_init_f (void)
202 static void w7o_env_init (VPD * vpd)
207 if (vpd_get_data (CONFIG_SYS_DEF_EEPROM_ADDR, vpd) != 0)
213 if (vpd->productId[0] &&
214 ((strncmp (vpd->productId, "GMM", 3) == 0) ||
215 (strncmp (vpd->productId, "CMM", 3) == 0))) {
218 char *serial = getenv ("serial#");
219 char *ethaddr = getenv ("ethaddr");
221 /* Set 'serial#' envvar if serial# isn't set */
223 sprintf (buf, "%s-%ld", vpd->productId,
225 setenv ("serial#", buf);
228 /* Set 'ethaddr' envvar if 'ethaddr' envvar is the default */
229 eth = (char *)(vpd->ethAddrs[0]);
231 && (strcmp (ethaddr, MK_STR (CONFIG_ETHADDR)) == 0)) {
232 /* Now setup ethaddr */
233 sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
234 eth[0], eth[1], eth[2], eth[3], eth[4],
236 setenv ("ethaddr", buf);
239 } /* w7o_env_init() */
242 int misc_init_r (void)
244 VPD vpd; /* VPD information */
246 #if defined(CONFIG_W7OLMG)
247 unsigned long greg; /* GPIO Register */
249 greg = in32 (PPC405GP_GPIO0_OR);
252 * XXX - Unreset devices - this should be moved into VxWorks driver code
254 greg |= 0x41800000L; /* SAM, PHY, Galileo */
256 out32 (PPC405GP_GPIO0_OR, greg); /* set output pins to default */
257 #endif /* CONFIG_W7OLMG */
260 * Initialize W7O environment variables
265 * Initialize the FPGA(s).
267 if (init_fpga () == 0)
268 test_fpga ((unsigned short *) CONFIG_FPGAS_BASE);
270 /* More POST testing. */
273 /* Done with hardware initialization and POST. */
274 log_stat (ERR_POSTOK);
276 /* Call silly, fail safe boot init routine */