blob: ba9736ebef45c6a2ec7f98947c619c168fad8fc6 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
wdenk42d1f032003-10-15 23:53:47 +00002/*
Dipen Dudhatbeba93e2011-01-19 12:46:27 +05303 * Copyright 2004,2007-2011 Freescale Semiconductor, Inc.
wdenk42d1f032003-10-15 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.
wdenk42d1f032003-10-15 23:53:47 +00009 */
10
Andy Fleming75b9d4a2008-08-31 16:33:26 -050011#include <config.h>
wdenk42d1f032003-10-15 23:53:47 +000012#include <common.h>
Simon Glass62f9b652019-11-14 12:57:09 -070013#include <cpu_func.h>
Tom Riniefb5dab72021-08-21 13:50:17 -040014#include <clock_legacy.h>
Simon Glass691d7192020-05-10 11:40:02 -060015#include <init.h>
Simon Glass36bf4462019-11-14 12:57:42 -070016#include <irq_func.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -060017#include <log.h>
Simon Glass049f8d62019-12-28 10:44:59 -070018#include <time.h>
Simon Glass2189d5f2019-11-14 12:57:20 -070019#include <vsprintf.h>
wdenk42d1f032003-10-15 23:53:47 +000020#include <watchdog.h>
21#include <command.h>
Andy Fleming80522dc2008-10-30 16:51:33 -050022#include <fsl_esdhc.h>
wdenk42d1f032003-10-15 23:53:47 +000023#include <asm/cache.h>
Simon Glass401d1c42020-10-30 21:38:53 -060024#include <asm/global_data.h>
Sergei Poselenov740280e2008-06-06 15:42:40 +020025#include <asm/io.h>
Becky Bruce199e2622010-06-17 11:37:25 -050026#include <asm/mmu.h>
York Sun0b665132013-10-22 12:39:02 -070027#include <fsl_ifc.h>
Becky Bruce199e2622010-06-17 11:37:25 -050028#include <asm/fsl_law.h>
Becky Bruce38dba0c2010-12-17 17:17:56 -060029#include <asm/fsl_lbc.h>
York Sunebbe11d2010-09-28 15:20:33 -070030#include <post.h>
31#include <asm/processor.h>
York Sun5614e712013-09-30 09:22:09 -070032#include <fsl_ddr_sdram.h>
Christophe Leroyf3603b42017-07-13 15:09:54 +020033#include <asm/ppc.h>
Simon Glassc05ed002020-05-10 11:40:11 -060034#include <linux/delay.h>
wdenk42d1f032003-10-15 23:53:47 +000035
James Yang591933c2008-02-08 16:44:53 -060036DECLARE_GLOBAL_DATA_PTR;
37
Ira W. Snyderc18de0d2011-11-21 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
wdenk42d1f032003-10-15 23:53:47 +000048int checkcpu (void)
49{
wdenk97d80fc2004-06-09 00:34:46 +000050 sys_info_t sysinfo;
wdenk97d80fc2004-06-09 00:34:46 +000051 uint pvr, svr;
52 uint ver;
53 uint major, minor;
Kumar Gala4dbdb762008-06-10 16:53:46 -050054 struct cpu_type *cpu;
Wolfgang Denk08ef89e2008-10-19 02:35:49 +020055 char buf1[32], buf2[32];
Tom Riniefb5dab72021-08-21 13:50:17 -040056#if defined(CONFIG_DYNAMIC_DDR_CLK_FREQ) || \
57 defined(CONFIG_STATIC_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET)
York Sunf165bc32013-06-25 11:37:43 -070058 ccsr_gur_t __iomem *gur =
59 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
60#endif
York Sun98ffa192012-10-08 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 */
67#ifdef CONFIG_FSL_CORENET
68#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
69 u32 ddr_sync = 0; /* only async mode is supported */
70#else
71 u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC)
72 >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT;
73#endif /* CONFIG_SYS_FSL_QORIQ_CHASSIS2 */
74#else /* CONFIG_FSL_CORENET */
Tom Riniefb5dab72021-08-21 13:50:17 -040075#if defined(CONFIG_DYNAMIC_DDR_CLK_FREQ) || defined(CONFIG_STATIC_DDR_CLK_FREQ)
Srikanth Srinivasanab48ca12010-02-10 17:32:43 +080076 u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO)
77 >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
78#else
Kumar Galaee1e35b2008-05-29 01:21:24 -050079 u32 ddr_ratio = 0;
Tom Riniefb5dab72021-08-21 13:50:17 -040080#endif /* CONFIG_DYNAMIC_DDR_CLK_FREQ || CONFIG_STATIC_DDR_CLK_FREQ */
York Sun98ffa192012-10-08 07:44:31 +000081#endif /* CONFIG_FSL_CORENET */
82
Timur Tabifbb9ecf2011-08-05 16:15:24 -050083 unsigned int i, core, nr_cores = cpu_numcores();
84 u32 mask = cpu_mask();
wdenk42d1f032003-10-15 23:53:47 +000085
Shaveta Leekhab8bf0ad2015-01-19 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
wdenk97d80fc2004-06-09 00:34:46 +000091 svr = get_svr();
wdenk97d80fc2004-06-09 00:34:46 +000092 major = SVR_MAJ(svr);
93 minor = SVR_MIN(svr);
94
Shengzhou Liu5122dfa2014-04-25 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 Aggrwal0e870982009-07-31 12:08:14 +0530119 if (cpu_numcores() > 1) {
Poonam Aggrwal21170c82009-09-03 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 Phillips680c6132010-08-09 18:39:57 -0500124 volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
Poonam Aggrwal0e870982009-07-31 12:08:14 +0530125 printf("CPU%d: ", pic->whoami);
126 } else {
127 puts("CPU: ");
128 }
Andy Fleming1ced1212008-02-06 01:19:40 -0600129
Simon Glass67ac13b2012-12-13 20:48:48 +0000130 cpu = gd->arch.cpu;
Poonam Aggrwal0e870982009-07-31 12:08:14 +0530131
Poonam Aggrwal58442dc2009-09-02 13:35:21 +0530132 puts(cpu->name);
133 if (IS_E_PROCESSOR(svr))
134 puts("E");
Andy Fleming1ced1212008-02-06 01:19:40 -0600135
wdenk97d80fc2004-06-09 00:34:46 +0000136 printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
wdenk42d1f032003-10-15 23:53:47 +0000137
wdenk6c9e7892005-03-15 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 Gala89927382011-07-25 09:28:39 -0500144 switch(ver) {
145 case PVR_VER_E500_V1:
Pali Rohárefd99142022-04-03 00:05:10 +0200146 puts("e500v1");
147 break;
Kumar Gala89927382011-07-25 09:28:39 -0500148 case PVR_VER_E500_V2:
Pali Rohárefd99142022-04-03 00:05:10 +0200149 puts("e500v2");
Kumar Gala89927382011-07-25 09:28:39 -0500150 break;
151 case PVR_VER_E500MC:
Fabio Estevam6770c5e2013-04-21 13:11:02 -0300152 puts("e500mc");
Kumar Gala89927382011-07-25 09:28:39 -0500153 break;
154 case PVR_VER_E5500:
Fabio Estevam6770c5e2013-04-21 13:11:02 -0300155 puts("e5500");
Kumar Gala89927382011-07-25 09:28:39 -0500156 break;
Kumar Gala5b6b85a2012-08-17 08:20:23 +0000157 case PVR_VER_E6500:
Fabio Estevam6770c5e2013-04-21 13:11:02 -0300158 puts("e6500");
Kumar Gala5b6b85a2012-08-17 08:20:23 +0000159 break;
Kumar Gala89927382011-07-25 09:28:39 -0500160 default:
Kumar Gala2a3a96c2009-10-21 13:23:54 -0500161 puts("Unknown");
Kumar Gala89927382011-07-25 09:28:39 -0500162 break;
wdenk6c9e7892005-03-15 22:56:53 +0000163 }
Kumar Gala0f060c32008-10-23 01:47:38 -0500164
wdenk6c9e7892005-03-15 22:56:53 +0000165 printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
166
York Sun2f1712b2012-10-08 07:44:10 +0000167 if (nr_cores > CONFIG_MAX_CPUS) {
168 panic("\nUnexpected number of cores: %d, max is %d\n",
169 nr_cores, CONFIG_MAX_CPUS);
170 }
171
wdenk97d80fc2004-06-09 00:34:46 +0000172 get_sys_info(&sysinfo);
173
vijay rai0c12a152014-04-15 11:34:12 +0530174#ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
175 if (sysinfo.diff_sysclk == 1)
176 puts("Single Source Clock Configuration\n");
177#endif
178
Kumar Galab29dee32009-02-04 09:35:57 -0600179 puts("Clock Configuration:");
Timur Tabifbb9ecf2011-08-05 16:15:24 -0500180 for_each_cpu(i, core, nr_cores, mask) {
Wolfgang Denk1bba30e2009-02-19 00:41:08 +0100181 if (!(i & 3))
182 printf ("\n ");
Timur Tabifbb9ecf2011-08-05 16:15:24 -0500183 printf("CPU%d:%-4s MHz, ", core,
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530184 strmhz(buf1, sysinfo.freq_processor[core]));
Kumar Galab29dee32009-02-04 09:35:57 -0600185 }
Shaveta Leekhab8bf0ad2015-01-19 12:46:54 +0530186
187#ifdef CONFIG_HETROGENOUS_CLUSTERS
188 for_each_cpu(j, dsp_core, dsp_numcores, dsp_mask) {
189 if (!(j & 3))
190 printf("\n ");
191 printf("DSP CPU%d:%-4s MHz, ", j,
192 strmhz(buf1, sysinfo.freq_processor_dsp[dsp_core]));
193 }
194#endif
195
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530196 printf("\n CCB:%-4s MHz,", strmhz(buf1, sysinfo.freq_systembus));
197 printf("\n");
Kumar Galaee1e35b2008-05-29 01:21:24 -0500198
Kumar Gala39aaca12009-03-19 02:46:19 -0500199#ifdef CONFIG_FSL_CORENET
200 if (ddr_sync == 1) {
201 printf(" DDR:%-4s MHz (%s MT/s data rate) "
202 "(Synchronous), ",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530203 strmhz(buf1, sysinfo.freq_ddrbus/2),
204 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Gala39aaca12009-03-19 02:46:19 -0500205 } else {
206 printf(" DDR:%-4s MHz (%s MT/s data rate) "
207 "(Asynchronous), ",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530208 strmhz(buf1, sysinfo.freq_ddrbus/2),
209 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Gala39aaca12009-03-19 02:46:19 -0500210 }
211#else
Kumar Galad4357932007-12-07 04:59:26 -0600212 switch (ddr_ratio) {
213 case 0x0:
Wolfgang Denk08ef89e2008-10-19 02:35:49 +0200214 printf(" DDR:%-4s MHz (%s MT/s data rate), ",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530215 strmhz(buf1, sysinfo.freq_ddrbus/2),
216 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Galad4357932007-12-07 04:59:26 -0600217 break;
218 case 0x7:
Kumar Gala39aaca12009-03-19 02:46:19 -0500219 printf(" DDR:%-4s MHz (%s MT/s data rate) "
220 "(Synchronous), ",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530221 strmhz(buf1, sysinfo.freq_ddrbus/2),
222 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Galad4357932007-12-07 04:59:26 -0600223 break;
224 default:
Kumar Gala39aaca12009-03-19 02:46:19 -0500225 printf(" DDR:%-4s MHz (%s MT/s data rate) "
226 "(Asynchronous), ",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530227 strmhz(buf1, sysinfo.freq_ddrbus/2),
228 strmhz(buf2, sysinfo.freq_ddrbus));
Kumar Galad4357932007-12-07 04:59:26 -0600229 break;
230 }
Kumar Gala39aaca12009-03-19 02:46:19 -0500231#endif
wdenk97d80fc2004-06-09 00:34:46 +0000232
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530233#if defined(CONFIG_FSL_LBC)
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530234 if (sysinfo.freq_localbus > LCRR_CLKDIV) {
235 printf("LBC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
Kumar Gala39aaca12009-03-19 02:46:19 -0500236 } else {
Trent Piephoada591d2008-12-03 15:16:37 -0800237 printf("LBC: unknown (LCRR[CLKDIV] = 0x%02lx)\n",
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530238 sysinfo.freq_localbus);
Kumar Gala39aaca12009-03-19 02:46:19 -0500239 }
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530240#endif
wdenk97d80fc2004-06-09 00:34:46 +0000241
Kumar Gala800c73c2012-10-08 07:44:06 +0000242#if defined(CONFIG_FSL_IFC)
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530243 printf("IFC:%-4s MHz\n", strmhz(buf1, sysinfo.freq_localbus));
Kumar Gala800c73c2012-10-08 07:44:06 +0000244#endif
245
Haiying Wangb3d7f202009-05-20 12:30:29 -0400246#ifdef CONFIG_QE
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530247 printf(" QE:%-4s MHz\n", strmhz(buf1, sysinfo.freq_qe));
Haiying Wangb3d7f202009-05-20 12:30:29 -0400248#endif
249
Shaveta Leekhab8bf0ad2015-01-19 12:46:54 +0530250#if defined(CONFIG_SYS_CPRI)
251 printf(" ");
252 printf("CPRI:%-4s MHz", strmhz(buf1, sysinfo.freq_cpri));
253#endif
254
255#if defined(CONFIG_SYS_MAPLE)
256 printf("\n ");
257 printf("MAPLE:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple));
258 printf("MAPLE-ULB:%-4s MHz, ", strmhz(buf1, sysinfo.freq_maple_ulb));
259 printf("MAPLE-eTVPE:%-4s MHz\n",
260 strmhz(buf1, sysinfo.freq_maple_etvpe));
261#endif
262
Kumar Gala39aaca12009-03-19 02:46:19 -0500263#ifdef CONFIG_SYS_DPAA_FMAN
264 for (i = 0; i < CONFIG_SYS_NUM_FMAN; i++) {
Emil Medve7eda1f82010-06-17 00:08:29 -0500265 printf(" FMAN%d: %s MHz\n", i + 1,
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530266 strmhz(buf1, sysinfo.freq_fman[i]));
Kumar Gala39aaca12009-03-19 02:46:19 -0500267 }
268#endif
269
Haiying Wang990e1a82012-10-11 07:13:39 +0000270#ifdef CONFIG_SYS_DPAA_QBMAN
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530271 printf(" QMAN: %s MHz\n", strmhz(buf1, sysinfo.freq_qman));
Haiying Wang990e1a82012-10-11 07:13:39 +0000272#endif
273
Kumar Gala39aaca12009-03-19 02:46:19 -0500274#ifdef CONFIG_SYS_DPAA_PME
Prabhakar Kushwaha997399f2013-08-16 14:52:26 +0530275 printf(" PME: %s MHz\n", strmhz(buf1, sysinfo.freq_pme));
Kumar Gala39aaca12009-03-19 02:46:19 -0500276#endif
277
Shruti Kanetkar6b44d9e2013-08-15 11:25:38 -0500278 puts("L1: D-cache 32 KiB enabled\n I-cache 32 KiB enabled\n");
wdenk42d1f032003-10-15 23:53:47 +0000279
York Sunf165bc32013-06-25 11:37:43 -0700280#ifdef CONFIG_FSL_CORENET
281 /* Display the RCW, so that no one gets confused as to what RCW
282 * we're actually using for this boot.
283 */
284 puts("Reset Configuration Word (RCW):");
285 for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
286 u32 rcw = in_be32(&gur->rcwsr[i]);
287
288 if ((i % 4) == 0)
289 printf("\n %08x:", i * 4);
290 printf(" %08x", rcw);
291 }
292 puts("\n");
293#endif
294
wdenk42d1f032003-10-15 23:53:47 +0000295 return 0;
296}
297
298
299/* ------------------------------------------------------------------------- */
300
Simon Glass09140112020-05-10 11:40:03 -0600301int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
wdenk42d1f032003-10-15 23:53:47 +0000302{
Kumar Galac3483222009-09-08 13:46:46 -0500303/* Everything after the first generation of PQ3 parts has RSTCR */
Tom Rini98898602021-05-14 21:34:21 -0400304#if defined(CONFIG_ARCH_MPC8540) || defined(CONFIG_ARCH_MPC8560)
Sergei Poselenov793670c2008-05-08 14:17:08 +0200305 unsigned long val, msr;
306
wdenk42d1f032003-10-15 23:53:47 +0000307 /*
308 * Initiate hard reset in debug control register DBCR0
Kumar Galac3483222009-09-08 13:46:46 -0500309 * Make sure MSR[DE] = 1. This only resets the core.
wdenk42d1f032003-10-15 23:53:47 +0000310 */
Sergei Poselenov793670c2008-05-08 14:17:08 +0200311 msr = mfmsr ();
312 msr |= MSR_DE;
313 mtmsr (msr);
urwithsughosh@gmail.comdf909682007-09-24 13:32:13 -0400314
Sergei Poselenov793670c2008-05-08 14:17:08 +0200315 val = mfspr(DBCR0);
316 val |= 0x70000000;
317 mtspr(DBCR0,val);
Kumar Galac3483222009-09-08 13:46:46 -0500318#else
319 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
Ira W. Snyderc18de0d2011-11-21 13:20:32 -0800320
321 /* Attempt board-specific reset */
322 board_reset();
323
324 /* Next try asserting HRESET_REQ */
325 out_be32(&gur->rstcr, 0x2);
Kumar Galac3483222009-09-08 13:46:46 -0500326 udelay(100);
327#endif
Sergei Poselenov793670c2008-05-08 14:17:08 +0200328
wdenk42d1f032003-10-15 23:53:47 +0000329 return 1;
330}
331
332
333/*
334 * Get timebase clock frequency
335 */
Kumar Gala66412c62011-02-18 05:40:54 -0600336#ifndef CONFIG_SYS_FSL_TBCLK_DIV
337#define CONFIG_SYS_FSL_TBCLK_DIV 8
338#endif
Simon Glass049f8d62019-12-28 10:44:59 -0700339__weak unsigned long get_tbclk(void)
wdenk42d1f032003-10-15 23:53:47 +0000340{
Kumar Gala66412c62011-02-18 05:40:54 -0600341 unsigned long tbclk_div = CONFIG_SYS_FSL_TBCLK_DIV;
342
343 return (gd->bus_clk + (tbclk_div >> 1)) / tbclk_div;
wdenk42d1f032003-10-15 23:53:47 +0000344}
345
346
Pali Rohár549bb6b2022-04-28 13:31:43 +0200347#ifndef CONFIG_WDT
wdenk42d1f032003-10-15 23:53:47 +0000348#if defined(CONFIG_WATCHDOG)
Boschung, Rainer0f8062b2014-06-03 09:05:14 +0200349#define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE)
350void
351init_85xx_watchdog(void)
352{
353 mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
354 TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));
355}
356
wdenk42d1f032003-10-15 23:53:47 +0000357void
wdenk42d1f032003-10-15 23:53:47 +0000358reset_85xx_watchdog(void)
359{
360 /*
361 * Clear TSR(WIS) bit by writing 1
362 */
Mark Marshall320d53d2012-09-09 23:06:03 +0000363 mtspr(SPRN_TSR, TSR_WIS);
wdenk42d1f032003-10-15 23:53:47 +0000364}
Horst Kronstorferdf616ca2013-03-13 10:14:05 +0000365
366void
367watchdog_reset(void)
368{
369 int re_enable = disable_interrupts();
370
371 reset_85xx_watchdog();
372 if (re_enable)
373 enable_interrupts();
374}
wdenk42d1f032003-10-15 23:53:47 +0000375#endif /* CONFIG_WATCHDOG */
Pali Rohár549bb6b2022-04-28 13:31:43 +0200376#endif
wdenk42d1f032003-10-15 23:53:47 +0000377
Sergei Poselenov740280e2008-06-06 15:42:40 +0200378/*
Andy Fleming80522dc2008-10-30 16:51:33 -0500379 * Initializes on-chip MMC controllers.
380 * to override, implement board_mmc_init()
381 */
Masahiro Yamadab75d8dc2020-06-26 15:13:33 +0900382int cpu_mmc_init(struct bd_info *bis)
Andy Fleming80522dc2008-10-30 16:51:33 -0500383{
384#ifdef CONFIG_FSL_ESDHC
385 return fsl_esdhc_mmc_init(bis);
386#else
387 return 0;
388#endif
389}
Becky Bruce199e2622010-06-17 11:37:25 -0500390
391/*
392 * Print out the state of various machine registers.
Dipen Dudhatd789b5f2011-01-20 16:29:35 +0530393 * Currently prints out LAWs, BR0/OR0 for LBC, CSPR/CSOR/Timing
394 * parameters for IFC and TLBs
Becky Bruce199e2622010-06-17 11:37:25 -0500395 */
Christophe Leroyf3603b42017-07-13 15:09:54 +0200396void print_reginfo(void)
Becky Bruce199e2622010-06-17 11:37:25 -0500397{
398 print_tlbcam();
Bin Meng907568e2021-02-25 17:22:27 +0800399#ifdef CONFIG_FSL_LAW
Becky Bruce199e2622010-06-17 11:37:25 -0500400 print_laws();
Bin Meng907568e2021-02-25 17:22:27 +0800401#endif
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530402#if defined(CONFIG_FSL_LBC)
Becky Bruce199e2622010-06-17 11:37:25 -0500403 print_lbc_regs();
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530404#endif
Dipen Dudhatd789b5f2011-01-20 16:29:35 +0530405#ifdef CONFIG_FSL_IFC
406 print_ifc_regs();
407#endif
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530408
Becky Bruce199e2622010-06-17 11:37:25 -0500409}
York Sunebbe11d2010-09-28 15:20:33 -0700410
Becky Bruce38dba0c2010-12-17 17:17:56 -0600411/* Common ddr init for non-corenet fsl 85xx platforms */
412#ifndef CONFIG_FSL_CORENET
Scott Woodc97cd1b2012-09-20 19:02:18 -0500413#if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
414 !defined(CONFIG_SYS_INIT_L2_ADDR)
Simon Glassf1683aa2017-04-06 12:47:05 -0600415int dram_init(void)
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800416{
Alexander Graffa08d392014-04-11 17:09:45 +0200417#if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
York Sun10343402016-11-18 12:29:51 -0800418 defined(CONFIG_ARCH_QEMU_E500)
Simon Glass088454c2017-03-31 08:40:25 -0600419 gd->ram_size = fsl_ddr_sdram_size();
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800420#else
Simon Glass088454c2017-03-31 08:40:25 -0600421 gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800422#endif
Simon Glass088454c2017-03-31 08:40:25 -0600423
424 return 0;
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800425}
426#else /* CONFIG_SYS_RAMBOOT */
Simon Glassf1683aa2017-04-06 12:47:05 -0600427int dram_init(void)
Becky Bruce38dba0c2010-12-17 17:17:56 -0600428{
429 phys_size_t dram_size = 0;
430
Becky Bruce810c4422010-12-17 17:17:58 -0600431#if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
Becky Bruce38dba0c2010-12-17 17:17:56 -0600432 {
433 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
434 unsigned int x = 10;
435 unsigned int i;
436
437 /*
438 * Work around to stabilize DDR DLL
439 */
440 out_be32(&gur->ddrdllcr, 0x81000000);
441 asm("sync;isync;msync");
442 udelay(200);
443 while (in_be32(&gur->ddrdllcr) != 0x81000100) {
444 setbits_be32(&gur->devdisr, 0x00010000);
445 for (i = 0; i < x; i++)
446 ;
447 clrbits_be32(&gur->devdisr, 0x00010000);
448 x++;
449 }
450 }
451#endif
452
York Sun1b3e3c42011-06-07 09:42:16 +0800453#if defined(CONFIG_SPD_EEPROM) || \
454 defined(CONFIG_DDR_SPD) || \
455 defined(CONFIG_SYS_DDR_RAW_TIMING)
Becky Bruce38dba0c2010-12-17 17:17:56 -0600456 dram_size = fsl_ddr_sdram();
457#else
458 dram_size = fixed_sdram();
459#endif
460 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
461 dram_size *= 0x100000;
462
463#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
464 /*
465 * Initialize and enable DDR ECC.
466 */
467 ddr_enable_ecc(dram_size);
468#endif
469
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530470#if defined(CONFIG_FSL_LBC)
Becky Bruce38dba0c2010-12-17 17:17:56 -0600471 /* Some boards also have sdram on the lbc */
Becky Bruce70961ba2010-12-17 17:17:57 -0600472 lbc_sdram_init();
Dipen Dudhatbeba93e2011-01-19 12:46:27 +0530473#endif
Becky Bruce38dba0c2010-12-17 17:17:56 -0600474
Wolfgang Denk21cd5812011-07-25 10:13:53 +0200475 debug("DDR: ");
Simon Glass088454c2017-03-31 08:40:25 -0600476 gd->ram_size = dram_size;
477
478 return 0;
Becky Bruce38dba0c2010-12-17 17:17:56 -0600479}
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800480#endif /* CONFIG_SYS_RAMBOOT */
Becky Bruce38dba0c2010-12-17 17:17:56 -0600481#endif
482
York Sunebbe11d2010-09-28 15:20:33 -0700483#if CONFIG_POST & CONFIG_SYS_POST_MEMORY
484
485/* Board-specific functions defined in each board's ddr.c */
486void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
York Sun1d71efb2014-08-01 15:51:00 -0700487 unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl);
York Sunebbe11d2010-09-28 15:20:33 -0700488void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn,
489 phys_addr_t *rpn);
490unsigned int
491 setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
492
Becky Bruce9cdfe282011-07-18 18:49:15 -0500493void clear_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg);
494
York Sunebbe11d2010-09-28 15:20:33 -0700495static void dump_spd_ddr_reg(void)
496{
497 int i, j, k, m;
498 u8 *p_8;
499 u32 *p_32;
York Sun51370d52016-12-28 08:43:45 -0800500 struct ccsr_ddr __iomem *ddr[CONFIG_SYS_NUM_DDR_CTLRS];
York Sunebbe11d2010-09-28 15:20:33 -0700501 generic_spd_eeprom_t
York Sun51370d52016-12-28 08:43:45 -0800502 spd[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
York Sunebbe11d2010-09-28 15:20:33 -0700503
York Sun51370d52016-12-28 08:43:45 -0800504 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
York Sun1d71efb2014-08-01 15:51:00 -0700505 fsl_ddr_get_spd(spd[i], i, CONFIG_DIMM_SLOTS_PER_CTLR);
York Sunebbe11d2010-09-28 15:20:33 -0700506
Robert P. J. Dayfc0b5942016-09-07 14:27:59 -0400507 puts("SPD data of all dimms (zero value is omitted)...\n");
York Sunebbe11d2010-09-28 15:20:33 -0700508 puts("Byte (hex) ");
509 k = 1;
York Sun51370d52016-12-28 08:43:45 -0800510 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunebbe11d2010-09-28 15:20:33 -0700511 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++)
512 printf("Dimm%d ", k++);
513 }
514 puts("\n");
515 for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) {
516 m = 0;
517 printf("%3d (0x%02x) ", k, k);
York Sun51370d52016-12-28 08:43:45 -0800518 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunebbe11d2010-09-28 15:20:33 -0700519 for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
520 p_8 = (u8 *) &spd[i][j];
521 if (p_8[k]) {
522 printf("0x%02x ", p_8[k]);
523 m++;
524 } else
525 puts(" ");
526 }
527 }
528 if (m)
529 puts("\n");
530 else
531 puts("\r");
532 }
533
York Sun51370d52016-12-28 08:43:45 -0800534 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunebbe11d2010-09-28 15:20:33 -0700535 switch (i) {
536 case 0:
York Sun5614e712013-09-30 09:22:09 -0700537 ddr[i] = (void *)CONFIG_SYS_FSL_DDR_ADDR;
York Sunebbe11d2010-09-28 15:20:33 -0700538 break;
York Sun51370d52016-12-28 08:43:45 -0800539#if defined(CONFIG_SYS_FSL_DDR2_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 1)
York Sunebbe11d2010-09-28 15:20:33 -0700540 case 1:
York Sun5614e712013-09-30 09:22:09 -0700541 ddr[i] = (void *)CONFIG_SYS_FSL_DDR2_ADDR;
York Sunebbe11d2010-09-28 15:20:33 -0700542 break;
543#endif
York Sun51370d52016-12-28 08:43:45 -0800544#if defined(CONFIG_SYS_FSL_DDR3_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 2)
York Suna4c66502012-08-17 08:22:39 +0000545 case 2:
York Sun5614e712013-09-30 09:22:09 -0700546 ddr[i] = (void *)CONFIG_SYS_FSL_DDR3_ADDR;
York Suna4c66502012-08-17 08:22:39 +0000547 break;
548#endif
York Sun51370d52016-12-28 08:43:45 -0800549#if defined(CONFIG_SYS_FSL_DDR4_ADDR) && (CONFIG_SYS_NUM_DDR_CTLRS > 3)
York Suna4c66502012-08-17 08:22:39 +0000550 case 3:
York Sun5614e712013-09-30 09:22:09 -0700551 ddr[i] = (void *)CONFIG_SYS_FSL_DDR4_ADDR;
York Suna4c66502012-08-17 08:22:39 +0000552 break;
553#endif
York Sunebbe11d2010-09-28 15:20:33 -0700554 default:
555 printf("%s unexpected controller number = %u\n",
556 __func__, i);
557 return;
558 }
559 }
560 printf("DDR registers dump for all controllers "
Robert P. J. Dayfc0b5942016-09-07 14:27:59 -0400561 "(zero value is omitted)...\n");
York Sunebbe11d2010-09-28 15:20:33 -0700562 puts("Offset (hex) ");
York Sun51370d52016-12-28 08:43:45 -0800563 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++)
York Sunebbe11d2010-09-28 15:20:33 -0700564 printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF);
565 puts("\n");
York Sun9a17eb52013-11-18 10:29:32 -0800566 for (k = 0; k < sizeof(struct ccsr_ddr)/4; k++) {
York Sunebbe11d2010-09-28 15:20:33 -0700567 m = 0;
568 printf("%6d (0x%04x)", k * 4, k * 4);
York Sun51370d52016-12-28 08:43:45 -0800569 for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
York Sunebbe11d2010-09-28 15:20:33 -0700570 p_32 = (u32 *) ddr[i];
571 if (p_32[k]) {
572 printf(" 0x%08x", p_32[k]);
573 m++;
574 } else
575 puts(" ");
576 }
577 if (m)
578 puts("\n");
579 else
580 puts("\r");
581 }
582 puts("\n");
583}
584
585/* invalid the TLBs for DDR and setup new ones to cover p_addr */
586static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset)
587{
588 u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE;
589 unsigned long epn;
590 u32 tsize, valid, ptr;
York Sunebbe11d2010-09-28 15:20:33 -0700591 int ddr_esel;
592
Becky Bruce9cdfe282011-07-18 18:49:15 -0500593 clear_ddr_tlbs_phys(p_addr, size>>20);
York Sunebbe11d2010-09-28 15:20:33 -0700594
595 /* Setup new tlb to cover the physical address */
596 setup_ddr_tlbs_phys(p_addr, size>>20);
597
598 ptr = vstart;
599 ddr_esel = find_tlb_idx((void *)ptr, 1);
600 if (ddr_esel != -1) {
601 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset);
602 } else {
603 printf("TLB error in function %s\n", __func__);
604 return -1;
605 }
606
607 return 0;
608}
609
610/*
611 * slide the testing window up to test another area
612 * for 32_bit system, the maximum testable memory is limited to
613 * CONFIG_MAX_MEM_MAPPED
614 */
615int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
616{
617 phys_addr_t test_cap, p_addr;
618 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
619
620#if !defined(CONFIG_PHYS_64BIT) || \
621 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
622 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
623 test_cap = p_size;
624#else
625 test_cap = gd->ram_size;
626#endif
627 p_addr = (*vstart) + (*size) + (*phys_offset);
628 if (p_addr < test_cap - 1) {
629 p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED);
630 if (reset_tlb(p_addr, p_size, phys_offset) == -1)
631 return -1;
632 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
633 *size = (u32) p_size;
634 printf("Testing 0x%08llx - 0x%08llx\n",
635 (u64)(*vstart) + (*phys_offset),
636 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
637 } else
638 return 1;
639
640 return 0;
641}
642
643/* initialization for testing area */
644int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
645{
646 phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED);
647
648 *vstart = CONFIG_SYS_DDR_SDRAM_BASE;
649 *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */
650 *phys_offset = 0;
651
652#if !defined(CONFIG_PHYS_64BIT) || \
653 !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \
654 (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull)
655 if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
656 puts("Cannot test more than ");
657 print_size(CONFIG_MAX_MEM_MAPPED,
658 " without proper 36BIT support.\n");
659 }
660#endif
661 printf("Testing 0x%08llx - 0x%08llx\n",
662 (u64)(*vstart) + (*phys_offset),
663 (u64)(*vstart) + (*phys_offset) + (*size) - 1);
664
665 return 0;
666}
667
668/* invalid TLBs for DDR and remap as normal after testing */
669int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset)
670{
671 unsigned long epn;
672 u32 tsize, valid, ptr;
673 phys_addr_t rpn = 0;
674 int ddr_esel;
675
676 /* disable the TLBs for this testing */
677 ptr = *vstart;
678
679 while (ptr < (*vstart) + (*size)) {
680 ddr_esel = find_tlb_idx((void *)ptr, 1);
681 if (ddr_esel != -1) {
682 read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn);
683 disable_tlb(ddr_esel);
684 }
685 ptr += TSIZE_TO_BYTES(tsize);
686 }
687
688 puts("Remap DDR ");
689 setup_ddr_tlbs(gd->ram_size>>20);
690 puts("\n");
691
692 return 0;
693}
694
695void arch_memory_failure_handle(void)
696{
697 dump_spd_ddr_reg();
698}
699#endif