2 * Copyright 2004,2007-2009 Freescale Semiconductor, Inc.
3 * (C) Copyright 2002, 2003 Motorola Inc.
4 * Xianghua Xiao (X.Xiao@motorola.com)
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 #include <fsl_esdhc.h>
33 #include <asm/cache.h>
36 DECLARE_GLOBAL_DATA_PTR;
46 char buf1[32], buf2[32];
47 #ifdef CONFIG_DDR_CLK_FREQ
48 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
49 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
50 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
59 major &= 0x7; /* the msb of this nibble is a mfg code */
63 if (cpu_numcores() > 1) {
64 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR);
65 printf("CPU%d: ", pic->whoami);
73 if (IS_E_PROCESSOR(svr))
76 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
86 case PVR_FAM(PVR_85xx):
94 if (PVR_MEM(pvr) == 0x03)
97 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
99 get_sys_info(&sysinfo);
101 puts("Clock Configuration:");
102 for (i = 0; i < cpu_numcores(); i++) {
105 printf("CPU%d:%-4s MHz, ",
106 i,strmhz(buf1, sysinfo.freqProcessor[i]));
108 printf("\n CCB:%-4s MHz,\n", strmhz(buf1, sysinfo.freqSystemBus));
112 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
113 strmhz(buf1, sysinfo.freqDDRBus/2),
114 strmhz(buf2, sysinfo.freqDDRBus));
117 printf(" DDR:%-4s MHz (%s MT/s data rate) (Synchronous), ",
118 strmhz(buf1, sysinfo.freqDDRBus/2),
119 strmhz(buf2, sysinfo.freqDDRBus));
122 printf(" DDR:%-4s MHz (%s MT/s data rate) (Asynchronous), ",
123 strmhz(buf1, sysinfo.freqDDRBus/2),
124 strmhz(buf2, sysinfo.freqDDRBus));
128 if (sysinfo.freqLocalBus > LCRR_CLKDIV)
129 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freqLocalBus));
131 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
132 sysinfo.freqLocalBus);
135 printf("CPM: %s MHz\n", strmhz(buf1, sysinfo.freqSystemBus));
139 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freqQE));
142 puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
148 /* ------------------------------------------------------------------------- */
150 int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
154 unsigned long val, msr;
160 /* e500 v2 core has reset control register */
161 volatile unsigned int * rstcr;
162 rstcr = (volatile unsigned int *)(CONFIG_SYS_IMMR + 0xE00B0);
163 *rstcr = 0x2; /* HRESET_REQ */
168 * Fallthrough if the code above failed
169 * Initiate hard reset in debug control register DBCR0
170 * Make sure MSR[DE] = 1
186 * Get timebase clock frequency
188 unsigned long get_tbclk (void)
190 return (gd->bus_clk + 4UL)/8UL;
194 #if defined(CONFIG_WATCHDOG)
198 int re_enable = disable_interrupts();
199 reset_85xx_watchdog();
200 if (re_enable) enable_interrupts();
204 reset_85xx_watchdog(void)
207 * Clear TSR(WIS) bit by writing 1
210 val = mfspr(SPRN_TSR);
212 mtspr(SPRN_TSR, val);
214 #endif /* CONFIG_WATCHDOG */
217 * Configures a UPM. The function requires the respective MxMR to be set
218 * before calling this function. "size" is the number or entries, not a sizeof.
220 void upmconfig (uint upm, uint * table, uint size)
222 int i, mdr, mad, old_mad = 0;
224 volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR);
225 volatile u32 *brp,*orp;
226 volatile u8* dummy = NULL;
232 upmmask = BR_MS_UPMA;
236 upmmask = BR_MS_UPMB;
240 upmmask = BR_MS_UPMC;
243 printf("%s: Bad UPM index %d to configure\n", __FUNCTION__, upm);
247 /* Find the address for the dummy write transaction */
248 for (brp = &lbc->br0, orp = &lbc->or0, i = 0; i < 8;
249 i++, brp += 2, orp += 2) {
251 /* Look for a valid BR with selected UPM */
252 if ((in_be32(brp) & (BR_V | BR_MSEL)) == (BR_V | upmmask)) {
253 dummy = (volatile u8*)(in_be32(brp) & BR_BA);
259 printf("Error: %s() could not find matching BR\n", __FUNCTION__);
263 for (i = 0; i < size; i++) {
265 out_be32(mxmr, (in_be32(mxmr) & 0x4fffffc0) | MxMR_OP_WARR | i);
267 out_be32(&lbc->mdr, table[i]);
269 mdr = in_be32(&lbc->mdr);
271 *(volatile u8 *)dummy = 0;
274 mad = in_be32(mxmr) & MxMR_MAD_MSK;
275 } while (mad <= old_mad && !(!mad && i == (size-1)));
278 out_be32(mxmr, (in_be32(mxmr) & 0x4fffffc0) | MxMR_OP_NORM);
282 * Initializes on-chip MMC controllers.
283 * to override, implement board_mmc_init()
285 int cpu_mmc_init(bd_t *bis)
287 #ifdef CONFIG_FSL_ESDHC
288 return fsl_esdhc_mmc_init(bis);