Instead the num of cores is determined dynamically by reading the SVR values. This can help to use the same u-boot image across the platforms.
Added CONFIG_MAX_CPUS value 8. Also revamped and corrected few Freescale Copyright messages. Signed-off-by: Poonam Aggrwal <poonam.aggr...@freescale.com> --- common/cmd_mp.c | 8 ++- cpu/mpc85xx/cpu.c | 104 ++++++++++++++++++++++++---------------- cpu/mpc85xx/mp.c | 6 +- cpu/mpc85xx/release.S | 25 +++++++++- cpu/mpc85xx/speed.c | 4 +- include/asm-ppc/config.h | 1 + include/asm-ppc/global_data.h | 5 ++ include/asm-ppc/processor.h | 5 +- include/common.h | 1 + include/e500.h | 6 +-- lib_ppc/board.c | 4 +- lib_ppc/bootm.c | 3 +- 12 files changed, 112 insertions(+), 60 deletions(-) diff --git a/common/cmd_mp.c b/common/cmd_mp.c index faa8700..d943832 100644 --- a/common/cmd_mp.c +++ b/common/cmd_mp.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Freescale Semiconductor, Inc. + * Copyright (C) 2008-2009 Freescale Semiconductor, Inc. All rights reserved. * * See file CREDITS for list of people who contributed to this * project. @@ -23,6 +23,8 @@ #include <common.h> #include <command.h> +DECLARE_GLOBAL_DATA_PTR; + int cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { @@ -34,9 +36,9 @@ cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } cpuid = simple_strtoul(argv[1], NULL, 10); - if (cpuid >= CONFIG_NUM_CPUS) { + if (cpuid >= gd->cpu->num_cores) { printf ("Core num: %lu is out of range[0..%d]\n", - cpuid, CONFIG_NUM_CPUS - 1); + cpuid, gd->cpu->num_cores - 1); return 1; } diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index d88c564..3233cdd 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -1,5 +1,5 @@ /* - * Copyright 2004,2007,2008 Freescale Semiconductor, Inc. + * Copyright(C) 2004,2007-2009 Freescale Semiconductor, Inc. All rights reserved. * (C) Copyright 2002, 2003 Motorola Inc. * Xianghua Xiao (x.x...@motorola.com) * @@ -38,37 +38,37 @@ DECLARE_GLOBAL_DATA_PTR; struct cpu_type cpu_type_list [] = { - CPU_TYPE_ENTRY(8533, 8533), - CPU_TYPE_ENTRY(8533, 8533_E), - CPU_TYPE_ENTRY(8535, 8535), - CPU_TYPE_ENTRY(8535, 8535_E), - CPU_TYPE_ENTRY(8536, 8536), - CPU_TYPE_ENTRY(8536, 8536_E), - CPU_TYPE_ENTRY(8540, 8540), - CPU_TYPE_ENTRY(8541, 8541), - CPU_TYPE_ENTRY(8541, 8541_E), - CPU_TYPE_ENTRY(8543, 8543), - CPU_TYPE_ENTRY(8543, 8543_E), - CPU_TYPE_ENTRY(8544, 8544), - CPU_TYPE_ENTRY(8544, 8544_E), - CPU_TYPE_ENTRY(8545, 8545), - CPU_TYPE_ENTRY(8545, 8545_E), - CPU_TYPE_ENTRY(8547, 8547_E), - CPU_TYPE_ENTRY(8548, 8548), - CPU_TYPE_ENTRY(8548, 8548_E), - CPU_TYPE_ENTRY(8555, 8555), - CPU_TYPE_ENTRY(8555, 8555_E), - CPU_TYPE_ENTRY(8560, 8560), - CPU_TYPE_ENTRY(8567, 8567), - CPU_TYPE_ENTRY(8567, 8567_E), - CPU_TYPE_ENTRY(8568, 8568), - CPU_TYPE_ENTRY(8568, 8568_E), - CPU_TYPE_ENTRY(8569, 8569), - CPU_TYPE_ENTRY(8569, 8569_E), - CPU_TYPE_ENTRY(8572, 8572), - CPU_TYPE_ENTRY(8572, 8572_E), - CPU_TYPE_ENTRY(P2020, P2020), - CPU_TYPE_ENTRY(P2020, P2020_E), + CPU_TYPE_ENTRY(8533, 8533, 1), + CPU_TYPE_ENTRY(8533, 8533_E, 1), + CPU_TYPE_ENTRY(8535, 8535, 1), + CPU_TYPE_ENTRY(8535, 8535_E, 1), + CPU_TYPE_ENTRY(8536, 8536, 1), + CPU_TYPE_ENTRY(8536, 8536_E, 1), + CPU_TYPE_ENTRY(8540, 8540, 1), + CPU_TYPE_ENTRY(8541, 8541, 1), + CPU_TYPE_ENTRY(8541, 8541_E, 1), + CPU_TYPE_ENTRY(8543, 8543, 1), + CPU_TYPE_ENTRY(8543, 8543_E, 1), + CPU_TYPE_ENTRY(8544, 8544, 1), + CPU_TYPE_ENTRY(8544, 8544_E, 1), + CPU_TYPE_ENTRY(8545, 8545, 1), + CPU_TYPE_ENTRY(8545, 8545_E, 1), + CPU_TYPE_ENTRY(8547, 8547_E, 1), + CPU_TYPE_ENTRY(8548, 8548, 1), + CPU_TYPE_ENTRY(8548, 8548_E, 1), + CPU_TYPE_ENTRY(8555, 8555, 1), + CPU_TYPE_ENTRY(8555, 8555_E, 1), + CPU_TYPE_ENTRY(8560, 8560, 1), + CPU_TYPE_ENTRY(8567, 8567, 1), + CPU_TYPE_ENTRY(8567, 8567_E, 1), + CPU_TYPE_ENTRY(8568, 8568, 1), + CPU_TYPE_ENTRY(8568, 8568_E, 1), + CPU_TYPE_ENTRY(8569, 8569, 1), + CPU_TYPE_ENTRY(8569, 8569_E, 1), + CPU_TYPE_ENTRY(8572, 8572, 2), + CPU_TYPE_ENTRY(8572, 8572_E, 2), + CPU_TYPE_ENTRY(P2020, P2020, 2), + CPU_TYPE_ENTRY(P2020, P2020_E, 2), }; struct cpu_type *identify_cpu(u32 ver) @@ -81,6 +81,19 @@ struct cpu_type *identify_cpu(u32 ver) return NULL; } +int probecpu (void) +{ + uint svr; + uint ver; + + svr = get_svr(); + ver = SVR_SOC_VER(svr); + + gd->cpu = identify_cpu(ver); + + return 0; +} + int checkcpu (void) { sys_info_t sysinfo; @@ -100,23 +113,30 @@ int checkcpu (void) int i; svr = get_svr(); - ver = SVR_SOC_VER(svr); major = SVR_MAJ(svr); #ifdef CONFIG_MPC8536 major &= 0x7; /* the msb of this nibble is a mfg code */ #endif minor = SVR_MIN(svr); -#if (CONFIG_NUM_CPUS > 1) - volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR); - printf("CPU%d: ", pic->whoami); -#else - puts("CPU: "); +#ifndef CONFIG_MP + if (gd->cpu->num_cores > 1) + puts("#############################################\n" + "The system is detected to be MULTICORE,\n" + "but u-boot is built with UNI-CORE\n" + "To enable mutlticore Build set CONFIG_MP\n" + "#############################################\n\n"); #endif - cpu = identify_cpu(ver); - if (cpu) { - puts(cpu->name); + if (gd->cpu->num_cores > 1) { + volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR); + printf("CPU%d: ", pic->whoami); + } + else + puts("CPU: "); + + if (gd->cpu->name) { + puts(gd->cpu->name); if (IS_E_PROCESSOR(svr)) puts("E"); @@ -150,7 +170,7 @@ int checkcpu (void) get_sys_info(&sysinfo); puts("Clock Configuration:"); - for (i = 0; i < CONFIG_NUM_CPUS; i++) { + for (i = 0; i < gd->cpu->num_cores; i++) { if (!(i & 3)) printf ("\n "); printf("CPU%d:%-4s MHz, ", diff --git a/cpu/mpc85xx/mp.c b/cpu/mpc85xx/mp.c index 76f02a4..3822102 100644 --- a/cpu/mpc85xx/mp.c +++ b/cpu/mpc85xx/mp.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 Freescale Semiconductor. + * Copyright (C) 2008-2009 Freescale Semiconductor, Inc. All rights reserved. * * See file CREDITS for list of people who contributed to this * project. @@ -157,7 +157,7 @@ static void pq3_mp_up(unsigned long bootpg) out_be32(&gur->devdisr, devdisr); /* release the hounds */ - up = ((1 << CONFIG_NUM_CPUS) - 1); + up = ((1 << gd->cpu->num_cores) - 1); bpcr = in_be32(&ecm->eebpcr); bpcr |= (up << 24); out_be32(&ecm->eebpcr, bpcr); @@ -167,7 +167,7 @@ static void pq3_mp_up(unsigned long bootpg) /* wait for everyone */ while (timeout) { int i; - for (i = 0; i < CONFIG_NUM_CPUS; i++) { + for (i = 0; i < gd->cpu->num_cores; i++) { if (table[i * NUM_BOOT_ENTRY + BOOT_ENTRY_ADDR_LOWER]) cpu_up_mask |= (1 << i); }; diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S index fbefc2c..e553079 100644 --- a/cpu/mpc85xx/release.S +++ b/cpu/mpc85xx/release.S @@ -1,3 +1,26 @@ +/* + * Copyright (C) 2008-2009 Freescale Semiconductor, Inc. All rights reserved. + * Kumar Gala <kumar.g...@freescale.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + #include <config.h> #include <mpc85xx.h> #include <version.h> @@ -203,7 +226,7 @@ __secondary_start_page: .align L1_CACHE_SHIFT .globl __spin_table __spin_table: - .space CONFIG_NUM_CPUS*ENTRY_SIZE + .space CONFIG_MAX_CPUS*ENTRY_SIZE /* Fill in the empty space. The actual reset vector is * the last word of the page */ diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c index 286b6b2..dddd1d1 100644 --- a/cpu/mpc85xx/speed.c +++ b/cpu/mpc85xx/speed.c @@ -1,5 +1,5 @@ /* - * Copyright 2004, 2007-2009 Freescale Semiconductor Inc. + * Copyright (C) 2004, 2007-2009 Freescale Semiconductor, Inc. All rights reserved. * (C) Copyright 2003 Motorola Inc. * Xianghua Xiao, (x.x...@motorola.com) * @@ -51,7 +51,7 @@ void get_sys_info (sys_info_t * sysInfo) /* Divide before multiply to avoid integer * overflow for processor speeds above 2GHz */ half_freqSystemBus = sysInfo->freqSystemBus/2; - for (i = 0; i < CONFIG_NUM_CPUS; i++) { + for (i = 0; i < gd->cpu->num_cores; i++) { e500_ratio = ((gur->porpllsr) >> (i * 8 + 16)) & 0x3f; sysInfo->freqProcessor[i] = e500_ratio * half_freqSystemBus; } diff --git a/include/asm-ppc/config.h b/include/asm-ppc/config.h index 0900f65..e5269b5 100644 --- a/include/asm-ppc/config.h +++ b/include/asm-ppc/config.h @@ -29,4 +29,5 @@ #endif #endif +#define CONFIG_MAX_CPUS 8 #endif diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h index 244c161..2fac9a3 100644 --- a/include/asm-ppc/global_data.h +++ b/include/asm-ppc/global_data.h @@ -1,4 +1,5 @@ /* + * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved. * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, w...@denx.de. * @@ -25,6 +26,7 @@ #define __ASM_GBL_DATA_H #include "asm/types.h" +#include "asm/processor.h" /* * The following data structure is placed in some memory wich is @@ -92,6 +94,9 @@ typedef struct global_data { #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) u32 lbc_clk; #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ +#if defined(CONFIG_MPC85xx) + struct cpu_type *cpu; +#endif #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) u32 i2c1_clk; u32 i2c2_clk; diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index e7db1c6..649d8b3 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -1017,13 +1017,14 @@ n: struct cpu_type { char name[15]; u32 soc_ver; + u32 num_cores; }; struct cpu_type *identify_cpu(u32 ver); #if defined(CONFIG_MPC85xx) -#define CPU_TYPE_ENTRY(n, v) \ - { .name = #n, .soc_ver = SVR_##v, } +#define CPU_TYPE_ENTRY(n, v, nc) \ + { .name = #n, .soc_ver = SVR_##v, .num_cores = (nc), } #else #if defined(CONFIG_MPC83xx) #define CPU_TYPE_ENTRY(x) {#x, SPR_##x} diff --git a/include/common.h b/include/common.h index ff4f821..6bce154 100644 --- a/include/common.h +++ b/include/common.h @@ -439,6 +439,7 @@ void ppcDWstore(unsigned int *addr, unsigned int *value); #endif /* $(CPU)/cpu.c */ +int probecpu (void); int checkcpu (void); int checkicache (void); int checkdcache (void); diff --git a/include/e500.h b/include/e500.h index 84b580d..f8c8266 100644 --- a/include/e500.h +++ b/include/e500.h @@ -8,13 +8,9 @@ #ifndef __ASSEMBLY__ -#ifndef CONFIG_NUM_CPUS -#define CONFIG_NUM_CPUS 1 -#endif - typedef struct { - unsigned long freqProcessor[CONFIG_NUM_CPUS]; + unsigned long freqProcessor[CONFIG_MAX_CPUS]; unsigned long freqSystemBus; unsigned long freqDDRBus; unsigned long freqLocalBus; diff --git a/lib_ppc/board.c b/lib_ppc/board.c index 155171d..171e635 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -290,7 +290,9 @@ init_fnc_t *init_sequence[] = { #if defined(CONFIG_BOARD_EARLY_INIT_F) board_early_init_f, #endif - +#if defined(CONFIG_MPC85xx) + probecpu, +#endif #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) get_clocks, /* get CPU and bus clocks (etc.) */ #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c index 0d702bf..a491c65 100644 --- a/lib_ppc/bootm.c +++ b/lib_ppc/bootm.c @@ -170,11 +170,12 @@ void arch_lmb_reserve(struct lmb *lmb) static void boot_prep_linux(void) { -#if (CONFIG_NUM_CPUS > 1) +#ifdef CONFIG_MP /* if we are MP make sure to flush the dcache() to any changes are made * visibile to all other cores */ flush_dcache(); #endif + return ; } -- 1.5.6.3 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot