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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
wdenk9c53f402003-10-15 23:53:47 +00002/*
Dipen Dudhat5d51bf92011-01-19 12:46:27 +05303 * Copyright 2004,2007-2011 Freescale Semiconductor, Inc.
wdenk9c53f402003-10-15 23:53:47 +00004 * (C) Copyright 2002, 2003 Motorola Inc.
5 * Xianghua Xiao (X.Xiao@motorola.com)
6 *
7 * (C) Copyright 2000
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenk9c53f402003-10-15 23:53:47 +00009 */
10
Andy Flemingfecff2b2008-08-31 16:33:26 -050011#include <config.h>
wdenk9c53f402003-10-15 23:53:47 +000012#include <common.h>
Simon Glass970b61e2019-11-14 12:57:09 -070013#include <cpu_func.h>
Tom Rinif7246c22021-08-21 13:50:17 -040014#include <clock_legacy.h>
Simon Glass97589732020-05-10 11:40:02 -060015#include <init.h>
Simon Glass8f3f7612019-11-14 12:57:42 -070016#include <irq_func.h>
Simon Glass0f2af882020-05-10 11:40:05 -060017#include <log.h>
Simon Glassa9dc0682019-12-28 10:44:59 -070018#include <time.h>
Simon Glassf5c208d2019-11-14 12:57:20 -070019#include <vsprintf.h>
wdenk9c53f402003-10-15 23:53:47 +000020#include <watchdog.h>
21#include <command.h>
Andy Fleming6843a6e2008-10-30 16:51:33 -050022#include <fsl_esdhc.h>
wdenk9c53f402003-10-15 23:53:47 +000023#include <asm/cache.h>
Simon Glass3ba929a2020-10-30 21:38:53 -060024#include <asm/global_data.h>
Sergei Poselenovddc1a472008-06-06 15:42:40 +020025#include <asm/io.h>
Becky Bruceee888da2010-06-17 11:37:25 -050026#include <asm/mmu.h>
York Sun37562f62013-10-22 12:39:02 -070027#include <fsl_ifc.h>
Becky Bruceee888da2010-06-17 11:37:25 -050028#include <asm/fsl_law.h>
Becky Bruce5e35d8a2010-12-17 17:17:56 -060029#include <asm/fsl_lbc.h>
York Sunc41b7442010-09-28 15:20:33 -070030#include <post.h>
31#include <asm/processor.h>
York Sunf0626592013-09-30 09:22:09 -070032#include <fsl_ddr_sdram.h>
Christophe Leroy31f6e932017-07-13 15:09:54 +020033#include <asm/ppc.h>
Simon Glassdbd79542020-05-10 11:40:11 -060034#include <linux/delay.h>
wdenk9c53f402003-10-15 23:53:47 +000035
James Yang957b1912008-02-08 16:44:53 -060036DECLARE_GLOBAL_DATA_PTR;
37
Ira W. Snydera85994c2011-11-21 13:20:32 -080038/*
39 * Default board reset function
40 */
41static void
42__board_reset(void)
43{
44 /* Do nothing */
45}
46void board_reset(void) __attribute__((weak, alias("__board_reset")));
47
wdenk9c53f402003-10-15 23:53:47 +000048int checkcpu (void)
49{
wdenka445ddf2004-06-09 00:34:46 +000050 sys_info_t sysinfo;
wdenka445ddf2004-06-09 00:34:46 +000051 uint pvr, svr;
52 uint ver;
53 uint major, minor;
Kumar Gala8ddf00c2008-06-10 16:53:46 -050054 struct cpu_type *cpu;
Wolfgang Denk20591042008-10-19 02:35:49 +020055 char buf1[32], buf2[32];
Tom Rinif7246c22021-08-21 13:50:17 -040056#if defined(CONFIG_DYNAMIC_DDR_CLK_FREQ) || \
57 defined(CONFIG_STATIC_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
York Sunc87e81e2013-06-25 11:37:43 -070058 ccsr_gur_t __iomem *gur =
59 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
60#endif
York Sun3b5179f2012-10-08 07:44:31 +000061
62 /*
63 * Cornet platforms use ddr sync bit in RCW to indicate sync vs async
64 * mode. Previous platform use ddr ratio to do the same. This
65 * information is only for display here.
66 */
Kumar Galadccd9e32009-03-19 02:46:19 -050067#ifdef CONFIG_FSL_CORENET
York Sun383f6f62012-10-08 07:44:16 +000068#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
York Sun3b5179f2012-10-08 07:44:31 +000069 u32 ddr_sync = 0; /* only async mode is supported */
York Sun383f6f62012-10-08 07:44:16 +000070#else
York Sun3b5179f2012-10-08 07:44:31 +000071 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
Srikanth Srinivasanf58c2a42010-02-10 17:32:43 +080072 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
York Sun383f6f62012-10-08 07:44:16 +000073#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
York Sun3b5179f2012-10-08 07:44:31 +000074#else /* CONFIG_FSL_CORENET */
Tom Rinif7246c22021-08-21 13:50:17 -040075#if defined(CONFIG_DYNAMIC_DDR_CLK_FREQ) || defined(CONFIG_STATIC_DDR_CLK_FREQ)
York Sun3b5179f2012-10-08 07:44:31 +000076 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
77 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
Kumar Gala54b68102008-05-29 01:21:24 -050078#else
79 u32 ddr_ratio = 0;
Tom Rinif7246c22021-08-21 13:50:17 -040080#endif /* CONFIG_DYNAMIC_DDR_CLK_FREQ || CONFIG_STATIC_DDR_CLK_FREQ */
York Sun3b5179f2012-10-08 07:44:31 +000081#endif /* CONFIG_FSL_CORENET */
82
Timur Tabi47289422011-08-05 16:15:24 -050083 unsigned int i, core, nr_cores = cpu_numcores();
84 u32 mask = cpu_mask();
wdenk9c53f402003-10-15 23:53:47 +000085
Shaveta Leekhadbf0bc82015-01-19 12:46:54 +053086#ifdef CONFIG_HETROGENOUS_CLUSTERS
87 unsigned int j, dsp_core, dsp_numcores = cpu_num_dspcores();
88 u32 dsp_mask = cpu_dsp_mask();
89#endif
90
wdenka445ddf2004-06-09 00:34:46 +000091 svr = get_svr();
wdenka445ddf2004-06-09 00:34:46 +000092 major = SVR_MAJ(svr);
93 minor = SVR_MIN(svr);
94
Shengzhou Liu26ed2d02014-04-25 16:31:22 +080095#if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
96 if (SVR_SOC_VER(svr) == SVR_T4080) {
97 ccsr_rcpm_t *rcpm =
98 (void __iomem *)(CONFIG_SYS_FSL_CORENET_RCPM_ADDR);
99
100 setbits_be32(&gur->devdisr2, FSL_CORENET_DEVDISR2_DTSEC1_6 ||
101 FSL_CORENET_DEVDISR2_DTSEC1_9);
102 setbits_be32(&gur->devdisr3, FSL_CORENET_DEVDISR3_PCIE3);
103 setbits_be32(&gur->devdisr5, FSL_CORENET_DEVDISR5_DDR3);
104
105 /* It needs SW to disable core4~7 as HW design sake on T4080 */
106 for (i = 4; i < 8; i++)
107 cpu_disable(i);
108
109 /* request core4~7 into PH20 state, prior to entering PCL10
110 * state, all cores in cluster should be placed in PH20 state.
111 */
112 setbits_be32(&rcpm->pcph20setr, 0xf0);
113
114 /* put the 2nd cluster into PCL10 state */
115 setbits_be32(&rcpm->clpcl10setr, 1 << 1);
116 }
117#endif
118
Poonam Aggrwal4baef822009-07-31 12:08:14 +0530119 if (cpu_numcores() > 1) {
Poonam Aggrwal36a68432009-09-03 19:42:40 +0530120#ifndef CONFIG_MP
121 puts("Unicore software on multiprocessor system!!\n"
122 "To enable mutlticore build define CONFIG_MP\n");
123#endif
Kim Phillips2ecbfeb2010-08-09 18:39:57 -0500124 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
Poonam Aggrwal4baef822009-07-31 12:08:14 +0530125 printf("CPU%d: ", pic->whoami);
126 } else {
127 puts("CPU: ");
128 }
Andy Flemingf5740972008-02-06 01:19:40 -0600129
Simon Glassa8b57392012-12-13 20:48:48 +0000130 cpu = gd->arch.cpu;
Andy Flemingf5740972008-02-06 01:19:40 -0600131
Poonam Aggrwalda6e1ca2009-09-02 13:35:21 +0530132 puts(cpu->name);
133 if (IS_E_PROCESSOR(svr))
134 puts("E");
Andy Flemingf5740972008-02-06 01:19:40 -0600135
wdenka445ddf2004-06-09 00:34:46 +0000136 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
wdenk9c53f402003-10-15 23:53:47 +0000137
wdenk3f3262b2005-03-15 22:56:53 +0000138 pvr = get_pvr();
139 ver = PVR_VER(pvr);
140 major = PVR_MAJ(pvr);
141 minor = PVR_MIN(pvr);
142
143 printf("Core: ");
Kumar Galae222ed32011-07-25 09:28:39 -0500144 switch(ver) {
145 case PVR_VER_E500_V1:
146 case PVR_VER_E500_V2:
Fabio Estevamf4c557c2013-04-21 13:11:02 -0300147 puts("e500");
Kumar Galae222ed32011-07-25 09:28:39 -0500148 break;
149 case PVR_VER_E500MC:
Fabio Estevamf4c557c2013-04-21 13:11:02 -0300150 puts("e500mc");
Kumar Galae222ed32011-07-25 09:28:39 -0500151 break;
152 case PVR_VER_E5500:
Fabio Estevamf4c557c2013-04-21 13:11:02 -0300153 puts("e5500");
Kumar Galae222ed32011-07-25 09:28:39 -0500154 break;
Kumar Galac1abf4a2012-08-17 08:20:23 +0000155 case PVR_VER_E6500:
Fabio Estevamf4c557c2013-04-21 13:11:02 -0300156 puts("e6500");
Kumar Galac1abf4a2012-08-17 08:20:23 +0000157 break;
Kumar Galae222ed32011-07-25 09:28:39 -0500158 default:
Kumar Galabd2985c2009-10-21 13:23:54 -0500159 puts("Unknown");
Kumar Galae222ed32011-07-25 09:28:39 -0500160 break;
wdenk3f3262b2005-03-15 22:56:53 +0000161 }
Kumar Gala9f4a6892008-10-23 01:47:38 -0500162
wdenk3f3262b2005-03-15 22:56:53 +0000163 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
164
York Sun908412d2012-10-08 07:44:10 +0000165 if (nr_cores > CONFIG_MAX_CPUS) {
166 panic("\nUnexpected number of cores: %d, max is %d\n",
167 nr_cores, CONFIG_MAX_CPUS);
168 }
169
wdenka445ddf2004-06-09 00:34:46 +0000170 get_sys_info(&sysinfo);
171
vijay raid84fd502014-04-15 11:34:12 +0530172#ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
173 if (sysinfo.diff_sysclk == 1)
174 puts("Single Source Clock Configuration\n");
175#endif
176
Kumar Galaf92794c2009-02-04 09:35:57 -0600177 puts("Clock Configuration:");
Timur Tabi47289422011-08-05 16:15:24 -0500178 for_each_cpu(i, core, nr_cores, mask) {
Wolfgang Denk1f79d142009-02-19 00:41:08 +0100179 if (!(i & 3))
180 printf ("\n ");
Timur Tabi47289422011-08-05 16:15:24 -0500181 printf("CPU%d:%-4s MHz, ", core,
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530182 strmhz(buf1, sysinfo.freq_processor[core]));
Kumar Galaf92794c2009-02-04 09:35:57 -0600183 }
Shaveta Leekhadbf0bc82015-01-19 12:46:54 +0530184
185#ifdef CONFIG_HETROGENOUS_CLUSTERS
186 for_each_cpu(j, dsp_core, dsp_numcores, dsp_mask) {
187 if (!(j & 3))
188 printf("\n ");
189 printf("DSP CPU%d:%-4s MHz, ", j,
190 strmhz(buf1, sysinfo.freq_processor_dsp[dsp_core]));
191 }
192#endif
193
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530194 printf("\n CCB:%-4s MHz,", strmhz(buf1, sysinfo.freq_systembus));
195 printf("\n");
Kumar Gala54b68102008-05-29 01:21:24 -0500196
Kumar Galadccd9e32009-03-19 02:46:19 -0500197#ifdef CONFIG_FSL_CORENET
198 if (ddr_sync == 1) {
199 printf(" DDR:%-4s MHz (%s MT/s data rate) "
200 "(Synchronous), ",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530201 strmhz(buf1, sysinfo.freq_ddrbus/2),
202 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Galadccd9e32009-03-19 02:46:19 -0500203 } else {
204 printf(" DDR:%-4s MHz (%s MT/s data rate) "
205 "(Asynchronous), ",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530206 strmhz(buf1, sysinfo.freq_ddrbus/2),
207 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Galadccd9e32009-03-19 02:46:19 -0500208 }
209#else
Kumar Gala07db1702007-12-07 04:59:26 -0600210 switch (ddr_ratio) {
211 case 0x0:
Wolfgang Denk20591042008-10-19 02:35:49 +0200212 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530213 strmhz(buf1, sysinfo.freq_ddrbus/2),
214 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Gala07db1702007-12-07 04:59:26 -0600215 break;
216 case 0x7:
Kumar Galadccd9e32009-03-19 02:46:19 -0500217 printf(" DDR:%-4s MHz (%s MT/s data rate) "
218 "(Synchronous), ",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530219 strmhz(buf1, sysinfo.freq_ddrbus/2),
220 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Gala07db1702007-12-07 04:59:26 -0600221 break;
222 default:
Kumar Galadccd9e32009-03-19 02:46:19 -0500223 printf(" DDR:%-4s MHz (%s MT/s data rate) "
224 "(Asynchronous), ",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530225 strmhz(buf1, sysinfo.freq_ddrbus/2),
226 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Gala07db1702007-12-07 04:59:26 -0600227 break;
228 }
Kumar Galadccd9e32009-03-19 02:46:19 -0500229#endif
wdenka445ddf2004-06-09 00:34:46 +0000230
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530231#if defined(CONFIG_FSL_LBC)
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530232 if (sysinfo.freq_localbus > LCRR_CLKDIV) {
233 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
Kumar Galadccd9e32009-03-19 02:46:19 -0500234 } else {
Trent Piepho0b691fc2008-12-03 15:16:37 -0800235 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530236 sysinfo.freq_localbus);
Kumar Galadccd9e32009-03-19 02:46:19 -0500237 }
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530238#endif
wdenka445ddf2004-06-09 00:34:46 +0000239
Kumar Gala17ec6fa2012-10-08 07:44:06 +0000240#if defined(CONFIG_FSL_IFC)
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530241 printf("IFC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
Kumar Gala17ec6fa2012-10-08 07:44:06 +0000242#endif
243
Haiying Wang61414682009-05-20 12:30:29 -0400244#ifdef CONFIG_QE
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530245 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freq_qe));
Haiying Wang61414682009-05-20 12:30:29 -0400246#endif
247
Shaveta Leekhadbf0bc82015-01-19 12:46:54 +0530248#if defined(CONFIG_SYS_CPRI)
249 printf(" ");
250 printf("CPRI:%-4s MHz", strmhz(buf1, sysinfo.freq_cpri));
251#endif
252
253#if defined(CONFIG_SYS_MAPLE)
254 printf("\n ");
255 printf("MAPLE:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple));
256 printf("MAPLE-ULB:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple_ulb));
257 printf("MAPLE-eTVPE:%-4s MHz\n",
258 strmhz(buf1, sysinfo.freq_maple_etvpe));
259#endif
260
Kumar Galadccd9e32009-03-19 02:46:19 -0500261#ifdef CONFIG_SYS_DPAA_FMAN
262 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
Emil Medve3a9ed2f2010-06-17 00:08:29 -0500263 printf(" FMAN%d: %s MHz\n", i + 1,
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530264 strmhz(buf1, sysinfo.freq_fman[i]));
Kumar Galadccd9e32009-03-19 02:46:19 -0500265 }
266#endif
267
Haiying Wang09d0aa92012-10-11 07:13:39 +0000268#ifdef CONFIG_SYS_DPAA_QBMAN
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530269 printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freq_qman));
Haiying Wang09d0aa92012-10-11 07:13:39 +0000270#endif
271
Kumar Galadccd9e32009-03-19 02:46:19 -0500272#ifdef CONFIG_SYS_DPAA_PME
Prabhakar Kushwahad1698082013-08-16 14:52:26 +0530273 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freq_pme));
Kumar Galadccd9e32009-03-19 02:46:19 -0500274#endif
275
Shruti Kanetkar81159362013-08-15 11:25:38 -0500276 puts("L1: D-cache 32 KiB enabled\n I-cache 32 KiB enabled\n");
wdenk9c53f402003-10-15 23:53:47 +0000277
York Sunc87e81e2013-06-25 11:37:43 -0700278#ifdef CONFIG_FSL_CORENET
279 /* Display the RCW, so that no one gets confused as to what RCW
280 * we're actually using for this boot.
281 */
282 puts("Reset Configuration Word (RCW):");
283 for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
284 u32 rcw = in_be32(&gur->rcwsr[i]);
285
286 if ((i % 4) == 0)
287 printf("\n %08x:", i * 4);
288 printf(" %08x", rcw);
289 }
290 puts("\n");
291#endif
292
wdenk9c53f402003-10-15 23:53:47 +0000293 return 0;
294}
295
296
297/* ------------------------------------------------------------------------- */
298
Simon Glassed38aef2020-05-10 11:40:03 -0600299int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
wdenk9c53f402003-10-15 23:53:47 +0000300{
Kumar Galaaff01532009-09-08 13:46:46 -0500301/* Everything after the first generation of PQ3 parts has RSTCR */
Tom Rini0b730a02021-05-14 21:34:21 -0400302#if defined(CONFIG_ARCH_MPC8540) || defined(CONFIG_ARCH_MPC8560)
Sergei Poselenov25147422008-05-08 14:17:08 +0200303 unsigned long val, msr;
304
wdenk9c53f402003-10-15 23:53:47 +0000305 /*
306 * Initiate hard reset in debug control register DBCR0
Kumar Galaaff01532009-09-08 13:46:46 -0500307 * Make sure MSR[DE] = 1. This only resets the core.
wdenk9c53f402003-10-15 23:53:47 +0000308 */
Sergei Poselenov25147422008-05-08 14:17:08 +0200309 msr = mfmsr ();
310 msr |= MSR_DE;
311 mtmsr (msr);
urwithsughosh@gmail.com06c2fb92007-09-24 13:32:13 -0400312
Sergei Poselenov25147422008-05-08 14:17:08 +0200313 val = mfspr(DBCR0);
314 val |= 0x70000000;
315 mtspr(DBCR0,val);
Kumar Galaaff01532009-09-08 13:46:46 -0500316#else
317 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
Ira W. Snydera85994c2011-11-21 13:20:32 -0800318
319 /* Attempt board-specific reset */
320 board_reset();
321
322 /* Next try asserting HRESET_REQ */
323 out_be32(&gur->rstcr, 0x2);
Kumar Galaaff01532009-09-08 13:46:46 -0500324 udelay(100);
325#endif
Sergei Poselenov25147422008-05-08 14:17:08 +0200326
wdenk9c53f402003-10-15 23:53:47 +0000327 return 1;
328}
329
330
331/*
332 * Get timebase clock frequency
333 */
Kumar Galaf4fb90f2011-02-18 05:40:54 -0600334#ifndef CONFIG_SYS_FSL_TBCLK_DIV
335#define CONFIG_SYS_FSL_TBCLK_DIV 8
336#endif
Simon Glassa9dc0682019-12-28 10:44:59 -0700337__weak unsigned long get_tbclk(void)
wdenk9c53f402003-10-15 23:53:47 +0000338{
Kumar Galaf4fb90f2011-02-18 05:40:54 -0600339 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
340
341 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
wdenk9c53f402003-10-15 23:53:47 +0000342}
343
344
345#if defined(CONFIG_WATCHDOG)
Boschung, Rainerf63c0dc12014-06-03 09:05:14 +0200346#define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE)
347void
348init_85xx_watchdog(void)
349{
350 mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
351 TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));
352}
353
wdenk9c53f402003-10-15 23:53:47 +0000354void
wdenk9c53f402003-10-15 23:53:47 +0000355reset_85xx_watchdog(void)
356{
357 /*
358 * Clear TSR(WIS) bit by writing 1
359 */
Mark Marshall10b13c92012-09-09 23:06:03 +0000360 mtspr(SPRN_TSR, TSR_WIS);
wdenk9c53f402003-10-15 23:53:47 +0000361}
Horst Kronstorferf70831e2013-03-13 10:14:05 +0000362
363void
364watchdog_reset(void)
365{
366 int re_enable = disable_interrupts();
367
368 reset_85xx_watchdog();
369 if (re_enable)
370 enable_interrupts();
371}
wdenk9c53f402003-10-15 23:53:47 +0000372#endif /* CONFIG_WATCHDOG */
373
Sergei Poselenovddc1a472008-06-06 15:42:40 +0200374/*
Andy Fleming6843a6e2008-10-30 16:51:33 -0500375 * Initializes on-chip MMC controllers.
376 * to override, implement board_mmc_init()
377 */
Masahiro Yamadaf7ed78b2020-06-26 15:13:33 +0900378int cpu_mmc_init(struct bd_info *bis)
Andy Fleming6843a6e2008-10-30 16:51:33 -0500379{
380#ifdef CONFIG_FSL_ESDHC
381 return fsl_esdhc_mmc_init(bis);
382#else
383 return 0;
384#endif
385}
Becky Bruceee888da2010-06-17 11:37:25 -0500386
387/*
388 * Print out the state of various machine registers.
Dipen Dudhat00c42942011-01-20 16:29:35 +0530389 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
390 * parameters for IFC and TLBs
Becky Bruceee888da2010-06-17 11:37:25 -0500391 */
Christophe Leroy31f6e932017-07-13 15:09:54 +0200392void print_reginfo(void)
Becky Bruceee888da2010-06-17 11:37:25 -0500393{
394 print_tlbcam();
Bin Mengc39f3402021-02-25 17:22:27 +0800395#ifdef CONFIG_FSL_LAW
Becky Bruceee888da2010-06-17 11:37:25 -0500396 print_laws();
Bin Mengc39f3402021-02-25 17:22:27 +0800397#endif
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530398#if defined(CONFIG_FSL_LBC)
Becky Bruceee888da2010-06-17 11:37:25 -0500399 print_lbc_regs();
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530400#endif
Dipen Dudhat00c42942011-01-20 16:29:35 +0530401#ifdef CONFIG_FSL_IFC
402 print_ifc_regs();
403#endif
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530404
Becky Bruceee888da2010-06-17 11:37:25 -0500405}
York Sunc41b7442010-09-28 15:20:33 -0700406
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600407/* Common ddr init for non-corenet fsl 85xx platforms */
408#ifndef CONFIG_FSL_CORENET
Scott Wood095b7122012-09-20 19:02:18 -0500409#if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
410 !defined(CONFIG_SYS_INIT_L2_ADDR)
Simon Glassd35f3382017-04-06 12:47:05 -0600411int dram_init(void)
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600412{
Alexander Grafc3468482014-04-11 17:09:45 +0200413#if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
York Sun51e91e82016-11-18 12:29:51 -0800414 defined(CONFIG_ARCH_QEMU_E500)
Simon Glass39f90ba2017-03-31 08:40:25 -0600415 gd->ram_size = fsl_ddr_sdram_size();
Zhao Chenhui1a35f3d2011-01-28 17:58:37 +0800416#else
Simon Glass39f90ba2017-03-31 08:40:25 -0600417 gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
Zhao Chenhui1a35f3d2011-01-28 17:58:37 +0800418#endif
Simon Glass39f90ba2017-03-31 08:40:25 -0600419
420 return 0;
Zhao Chenhui1a35f3d2011-01-28 17:58:37 +0800421}
422#else /* CONFIG_SYS_RAMBOOT */
Simon Glassd35f3382017-04-06 12:47:05 -0600423int dram_init(void)
Zhao Chenhui1a35f3d2011-01-28 17:58:37 +0800424{
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600425 phys_size_t dram_size = 0;
426
Becky Bruce4212f232010-12-17 17:17:58 -0600427#if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600428 {
429 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
430 unsigned int x = 10;
431 unsigned int i;
432
433 /*
434 * Work around to stabilize DDR DLL
435 */
436 out_be32(&gur->ddrdllcr, 0x81000000);
437 asm("sync;isync;msync");
438 udelay(200);
439 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
440 setbits_be32(&gur->devdisr, 0x00010000);
441 for (i = 0; i < x; i++)
442 ;
443 clrbits_be32(&gur->devdisr, 0x00010000);
444 x++;
445 }
446 }
447#endif
448
York Sune73cc042011-06-07 09:42:16 +0800449#if defined(CONFIG_SPD_EEPROM) || \
450 defined(CONFIG_DDR_SPD) || \
451 defined(CONFIG_SYS_DDR_RAW_TIMING)
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600452 dram_size = fsl_ddr_sdram();
453#else
454 dram_size = fixed_sdram();
455#endif
456 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
457 dram_size *= 0x100000;
458
459#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
460 /*
461 * Initialize and enable DDR ECC.
462 */
463 ddr_enable_ecc(dram_size);
464#endif
465
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530466#if defined(CONFIG_FSL_LBC)
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600467 /* Some boards also have sdram on the lbc */
Becky Bruceb88d3d02010-12-17 17:17:57 -0600468 lbc_sdram_init();
Dipen Dudhat5d51bf92011-01-19 12:46:27 +0530469#endif
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600470
Wolfgang Denkf2bbb532011-07-25 10:13:53 +0200471 debug("DDR: ");
Simon Glass39f90ba2017-03-31 08:40:25 -0600472 gd->ram_size = dram_size;
473
474 return 0;
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600475}
Zhao Chenhui1a35f3d2011-01-28 17:58:37 +0800476#endif /* CONFIG_SYS_RAMBOOT */
Becky Bruce5e35d8a2010-12-17 17:17:56 -0600477#endif
478
York Sunc41b7442010-09-28 15:20:33 -0700479#if CONFIG_POST & CONFIG_SYS_POST_MEMORY
480
481/* Board-specific functions defined in each board's ddr.c */
482void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
York Sun79a779b2014-08-01 15:51:00 -0700483 unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
York Sunc41b7442010-09-28 15:20:33 -0700484void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
485 phys_addr_t *rpn);
486unsigned int
487 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
488
Becky Bruce69694472011-07-18 18:49:15 -0500489void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
490
York Sunc41b7442010-09-28 15:20:33 -0700491static void dump_spd_ddr_reg(void)
492{
493 int i, j, k, m;
494 u8 *p_8;
495 u32 *p_32;
York Sunfe845072016-12-28 08:43:45 -0800496 struct ccsr_ddr __iomem *ddr[CONFIG_SYS_NUM_DDR_CTLRS];
York Sunc41b7442010-09-28 15:20:33 -0700497 generic_spd_eeprom_t
York Sunfe845072016-12-28 08:43:45 -0800498 spd[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
York Sunc41b7442010-09-28 15:20:33 -0700499
York Sunfe845072016-12-28 08:43:45 -0800500 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
York Sun79a779b2014-08-01 15:51:00 -0700501 fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
York Sunc41b7442010-09-28 15:20:33 -0700502
Robert P. J. Dayc5b1e5d2016-09-07 14:27:59 -0400503 puts("SPD data of all dimms (zero value is omitted)...\n");
York Sunc41b7442010-09-28 15:20:33 -0700504 puts("Byte (hex) ");
505 k = 1;
York Sunfe845072016-12-28 08:43:45 -0800506 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunc41b7442010-09-28 15:20:33 -0700507 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
508 printf("Dimm%d ", k++);
509 }
510 puts("\n");
511 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
512 m = 0;
513 printf("%3d (0x%02x) ", k, k);
York Sunfe845072016-12-28 08:43:45 -0800514 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunc41b7442010-09-28 15:20:33 -0700515 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
516 p_8 = (u8 *) &spd[i][j];
517 if (p_8[k]) {
518 printf("0x%02x ", p_8[k]);
519 m++;
520 } else
521 puts(" ");
522 }
523 }
524 if (m)
525 puts("\n");
526 else
527 puts("\r");
528 }
529
York Sunfe845072016-12-28 08:43:45 -0800530 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunc41b7442010-09-28 15:20:33 -0700531 switch (i) {
532 case 0:
York Sunf0626592013-09-30 09:22:09 -0700533 ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR;
York Sunc41b7442010-09-28 15:20:33 -0700534 break;
York Sunfe845072016-12-28 08:43:45 -0800535#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
York Sunc41b7442010-09-28 15:20:33 -0700536 case 1:
York Sunf0626592013-09-30 09:22:09 -0700537 ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
York Sunc41b7442010-09-28 15:20:33 -0700538 break;
539#endif
York Sunfe845072016-12-28 08:43:45 -0800540#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
York Sune8dc17b2012-08-17 08:22:39 +0000541 case 2:
York Sunf0626592013-09-30 09:22:09 -0700542 ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
York Sune8dc17b2012-08-17 08:22:39 +0000543 break;
544#endif
York Sunfe845072016-12-28 08:43:45 -0800545#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
York Sune8dc17b2012-08-17 08:22:39 +0000546 case 3:
York Sunf0626592013-09-30 09:22:09 -0700547 ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
York Sune8dc17b2012-08-17 08:22:39 +0000548 break;
549#endif
York Sunc41b7442010-09-28 15:20:33 -0700550 default:
551 printf("%s unexpected controller number = %u\n",
552 __func__, i);
553 return;
554 }
555 }
556 printf("DDR registers dump for all controllers "
Robert P. J. Dayc5b1e5d2016-09-07 14:27:59 -0400557 "(zero value is omitted)...\n");
York Sunc41b7442010-09-28 15:20:33 -0700558 puts("Offset (hex) ");
York Sunfe845072016-12-28 08:43:45 -0800559 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
York Sunc41b7442010-09-28 15:20:33 -0700560 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
561 puts("\n");
York Suna21803d2013-11-18 10:29:32 -0800562 for (k = 0; k < sizeof(struct ccsr_ddr)/4; k++) {
York Sunc41b7442010-09-28 15:20:33 -0700563 m = 0;
564 printf("%6d (0x%04x)", k * 4, k * 4);
York Sunfe845072016-12-28 08:43:45 -0800565 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunc41b7442010-09-28 15:20:33 -0700566 p_32 = (u32 *) ddr[i];
567 if (p_32[k]) {
568 printf(" 0x%08x", p_32[k]);
569 m++;
570 } else
571 puts(" ");
572 }
573 if (m)
574 puts("\n");
575 else
576 puts("\r");
577 }
578 puts("\n");
579}
580
581/* invalid the TLBs for DDR and setup new ones to cover p_addr */
582static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
583{
584 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
585 unsigned long epn;
586 u32 tsize, valid, ptr;
York Sunc41b7442010-09-28 15:20:33 -0700587 int ddr_esel;
588
Becky Bruce69694472011-07-18 18:49:15 -0500589 clear_ddr_tlbs_phys(p_addr, size>>20);
York Sunc41b7442010-09-28 15:20:33 -0700590
591 /* Setup new tlb to cover the physical address */
592 setup_ddr_tlbs_phys(p_addr, size>>20);
593
594 ptr = vstart;
595 ddr_esel = find_tlb_idx((void *)ptr, 1);
596 if (ddr_esel != -1) {
597 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
598 } else {
599 printf("TLB error in function %s\n", __func__);
600 return -1;
601 }
602
603 return 0;
604}
605
606/*
607 * slide the testing window up to test another area
608 * for 32_bit system, the maximum testable memory is limited to
609 * CONFIG_MAX_MEM_MAPPED
610 */
611int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
612{
613 phys_addr_t test_cap, p_addr;
614 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
615
616#if !defined(CONFIG_PHYS_64BIT) || \
617 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
618 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
619 test_cap = p_size;
620#else
621 test_cap = gd->ram_size;
622#endif
623 p_addr = (*vstart) + (*size) + (*phys_offset);
624 if (p_addr < test_cap - 1) {
625 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
626 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
627 return -1;
628 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
629 *size = (u32) p_size;
630 printf("Testing 0x%08llx - 0x%08llx\n",
631 (u64)(*vstart) + (*phys_offset),
632 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
633 } else
634 return 1;
635
636 return 0;
637}
638
639/* initialization for testing area */
640int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
641{
642 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
643
644 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
645 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
646 *phys_offset = 0;
647
648#if !defined(CONFIG_PHYS_64BIT) || \
649 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
650 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
651 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
652 puts("Cannot test more than ");
653 print_size(CONFIG_MAX_MEM_MAPPED,
654 " without proper 36BIT support.\n");
655 }
656#endif
657 printf("Testing 0x%08llx - 0x%08llx\n",
658 (u64)(*vstart) + (*phys_offset),
659 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
660
661 return 0;
662}
663
664/* invalid TLBs for DDR and remap as normal after testing */
665int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
666{
667 unsigned long epn;
668 u32 tsize, valid, ptr;
669 phys_addr_t rpn = 0;
670 int ddr_esel;
671
672 /* disable the TLBs for this testing */
673 ptr = *vstart;
674
675 while (ptr < (*vstart) + (*size)) {
676 ddr_esel = find_tlb_idx((void *)ptr, 1);
677 if (ddr_esel != -1) {
678 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
679 disable_tlb(ddr_esel);
680 }
681 ptr += TSIZE_TO_BYTES(tsize);
682 }
683
684 puts("Remap DDR ");
685 setup_ddr_tlbs(gd->ram_size>>20);
686 puts("\n");
687
688 return 0;
689}
690
691void arch_memory_failure_handle(void)
692{
693 dump_spd_ddr_reg();
694}
695#endif