2 * Copyright 2006 Freescale Semiconductor
6 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <asm/cache.h>
32 #include <asm/fsl_law.h>
42 uint lcrr; /* local bus clock ratio register */
43 uint clkdiv; /* clock divider portion of lcrr */
44 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
45 volatile ccsr_gur_t *gur = &immap->im_gur;
47 puts("Freescale PowerPC\n");
58 case PVR_VER(PVR_86xx):
60 uint msscr0 = mfspr(MSSCR0);
61 printf("E600 Core %d", (msscr0 & 0x20) ? 1 : 0 );
62 if (gur->pordevsr & MPC86xx_PORDEVSR_CORE1TE)
63 puts("\n Core1Translation Enabled");
64 debug(" (MSSCR0=%x, PORDEVSR=%x)", msscr0, gur->pordevsr);
71 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
74 ver = SVR_SOC_VER(svr);
81 if (SVR_SUBVER(svr) == 1) {
94 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
96 get_sys_info(&sysinfo);
99 printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
100 printf("MPX:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
101 printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
103 #if defined(CONFIG_SYS_LBC_LCRR)
104 lcrr = CONFIG_SYS_LBC_LCRR;
107 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
108 volatile ccsr_lbc_t *lbc = &immap->im_lbc;
113 clkdiv = lcrr & 0x0f;
114 if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
115 printf("LBC:%4lu MHz\n",
116 sysinfo.freqSystemBus / 1000000 / clkdiv);
118 printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr);
122 if (get_l2cr() & 0x80000000)
132 soft_restart(unsigned long addr)
134 #if !defined(CONFIG_MPC8641HPCN) && !defined(CONFIG_MPC8610HPCD)
137 * SRR0 has system reset vector, SRR1 has default MSR value
138 * rfi restores MSR from SRR1 and sets the PC to the SRR0 value
141 __asm__ __volatile__ ("mtspr 26, %0" :: "r" (addr));
142 __asm__ __volatile__ ("li 4, (1 << 6)" ::: "r4");
143 __asm__ __volatile__ ("mtspr 27, 4");
144 __asm__ __volatile__ ("rfi");
146 #else /* CONFIG_MPC8641HPCN */
148 out8(PIXIS_BASE + PIXIS_RST, 0);
150 #endif /* !CONFIG_MPC8641HPCN */
152 while (1) ; /* not reached */
157 * No generic way to do board reset. Simply call soft_reset.
160 do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
162 #if !defined(CONFIG_MPC8641HPCN) && !defined(CONFIG_MPC8610HPCD)
164 #ifdef CONFIG_SYS_RESET_ADDRESS
165 ulong addr = CONFIG_SYS_RESET_ADDRESS;
168 * note: when CONFIG_SYS_MONITOR_BASE points to a RAM address,
169 * CONFIG_SYS_MONITOR_BASE - sizeof (ulong) is usually a valid
170 * address. Better pick an address known to be invalid on your
171 * system and assign it to CONFIG_SYS_RESET_ADDRESS.
173 ulong addr = CONFIG_SYS_MONITOR_BASE - sizeof(ulong);
176 /* flush and disable I/D cache */
177 __asm__ __volatile__ ("mfspr 3, 1008" ::: "r3");
178 __asm__ __volatile__ ("ori 5, 5, 0xcc00" ::: "r5");
179 __asm__ __volatile__ ("ori 4, 3, 0xc00" ::: "r4");
180 __asm__ __volatile__ ("andc 5, 3, 5" ::: "r5");
181 __asm__ __volatile__ ("sync");
182 __asm__ __volatile__ ("mtspr 1008, 4");
183 __asm__ __volatile__ ("isync");
184 __asm__ __volatile__ ("sync");
185 __asm__ __volatile__ ("mtspr 1008, 5");
186 __asm__ __volatile__ ("isync");
187 __asm__ __volatile__ ("sync");
191 #else /* CONFIG_MPC8641HPCN */
193 out8(PIXIS_BASE + PIXIS_RST, 0);
195 #endif /* !CONFIG_MPC8641HPCN */
197 while (1) ; /* not reached */
202 * Get timebase clock frequency
209 get_sys_info(&sys_info);
210 return (sys_info.freqSystemBus + 3L) / 4L;
214 #if defined(CONFIG_WATCHDOG)
218 #if defined(CONFIG_MPC8610)
220 * This actually feed the hard enabled watchdog.
222 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
223 volatile ccsr_wdt_t *wdt = &immap->im_wdt;
224 volatile ccsr_gur_t *gur = &immap->im_gur;
225 u32 tmp = gur->pordevsr;
233 #endif /* CONFIG_WATCHDOG */
236 #if defined(CONFIG_DDR_ECC)
240 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
241 volatile ccsr_dma_t *dma = &immap->im_dma;
243 dma->satr0 = 0x00040000;
244 dma->datr0 = 0x00040000;
251 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
252 volatile ccsr_dma_t *dma = &immap->im_dma;
253 volatile uint status = dma->sr0;
255 /* While the channel is busy, spin */
256 while ((status & 4) == 4) {
261 printf("DMA Error: status = %x\n", status);
267 dma_xfer(void *dest, uint count, void *src)
269 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
270 volatile ccsr_dma_t *dma = &immap->im_dma;
272 dma->dar0 = (uint) dest;
273 dma->sar0 = (uint) src;
275 dma->mr0 = 0xf000004;
277 dma->mr0 = 0xf000005;
282 #endif /* CONFIG_DDR_ECC */
286 * Print out the state of various machine registers.
287 * Currently prints out LAWs, BR0/OR0, and BATs
289 void mpc86xx_reginfo(void)
291 immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
292 ccsr_lbc_t *lbc = &immap->im_lbc;
297 printf ("Local Bus Controller Registers\n"
298 "\tBR0\t0x%08X\tOR0\t0x%08X \n", in_be32(&lbc->br0), in_be32(&lbc->or0));
299 printf("\tBR1\t0x%08X\tOR1\t0x%08X \n", in_be32(&lbc->br1), in_be32(&lbc->or1));
300 printf("\tBR2\t0x%08X\tOR2\t0x%08X \n", in_be32(&lbc->br2), in_be32(&lbc->or2));
301 printf("\tBR3\t0x%08X\tOR3\t0x%08X \n", in_be32(&lbc->br3), in_be32(&lbc->or3));
302 printf("\tBR4\t0x%08X\tOR4\t0x%08X \n", in_be32(&lbc->br4), in_be32(&lbc->or4));
303 printf("\tBR5\t0x%08X\tOR5\t0x%08X \n", in_be32(&lbc->br5), in_be32(&lbc->or5));
304 printf("\tBR6\t0x%08X\tOR6\t0x%08X \n", in_be32(&lbc->br6), in_be32(&lbc->or6));
305 printf("\tBR7\t0x%08X\tOR7\t0x%08X \n", in_be32(&lbc->br7), in_be32(&lbc->or7));
310 * Initializes on-chip ethernet controllers.
311 * to override, implement board_eth_init()
313 int cpu_eth_init(bd_t *bis)
315 #if defined(CONFIG_TSEC_ENET)
316 tsec_standard_init(bis);