From e17c5200c7e9a802783a53d4f4457fa68f7fa074 Mon Sep 17 00:00:00 2001 From: Francois Retief Date: Wed, 28 Oct 2015 14:29:32 +0200 Subject: [PATCH] sparc: Initial ground work for generic board initialization Initial ground work in preperation for generic board initialization code for the SPARC architecture. Signed-off-by: Francois Retief --- arch/Kconfig | 1 + arch/sparc/cpu/leon2/cpu.c | 4 ++-- arch/sparc/cpu/leon2/cpu_init.c | 21 +++++++++++---------- arch/sparc/cpu/leon3/cpu.c | 4 ++-- arch/sparc/cpu/leon3/cpu_init.c | 17 +++++++++-------- arch/sparc/include/asm/config.h | 4 +++- arch/sparc/include/asm/u-boot.h | 7 +++++++ arch/sparc/lib/Makefile | 8 ++++++-- common/board_r.c | 3 ++- 9 files changed, 43 insertions(+), 26 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 25dcf4a1a3..6489cc9406 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -97,6 +97,7 @@ config SH config SPARC bool "SPARC architecture" + select HAVE_GENERIC_BOARD select CREATE_ARCH_SYMLINK config X86 diff --git a/arch/sparc/cpu/leon2/cpu.c b/arch/sparc/cpu/leon2/cpu.c index 380c397be0..22e63e3869 100644 --- a/arch/sparc/cpu/leon2/cpu.c +++ b/arch/sparc/cpu/leon2/cpu.c @@ -1,7 +1,7 @@ /* CPU specific code for the LEON2 CPU * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com + * (C) Copyright 2007, 2015 + * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com * * SPDX-License-Identifier: GPL-2.0+ */ diff --git a/arch/sparc/cpu/leon2/cpu_init.c b/arch/sparc/cpu/leon2/cpu_init.c index 695ee028b3..581f057269 100644 --- a/arch/sparc/cpu/leon2/cpu_init.c +++ b/arch/sparc/cpu/leon2/cpu_init.c @@ -1,8 +1,8 @@ /* Initializes CPU and basic hardware such as memory * controllers, IRQ controller and system timer 0. * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com + * (C) Copyright 2007, 2015 + * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com * * SPDX-License-Identifier: GPL-2.0+ */ @@ -18,14 +18,6 @@ DECLARE_GLOBAL_DATA_PTR; -/* reset CPU (jump to 0, without reset) */ -void start(void); - -struct { - gd_t gd_area; - bd_t bd; -} global_data; - /* * Breath some life into the CPU... * @@ -69,6 +61,15 @@ void cpu_init_f2(void) } +int arch_cpu_init(void) +{ + gd->cpu_clk = CONFIG_SYS_CLK_FREQ; + gd->bus_clk = CONFIG_SYS_CLK_FREQ; + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} + /* * initialize higher level parts of CPU like time base and timers */ diff --git a/arch/sparc/cpu/leon3/cpu.c b/arch/sparc/cpu/leon3/cpu.c index 8ab315016b..d57bf2fc87 100644 --- a/arch/sparc/cpu/leon3/cpu.c +++ b/arch/sparc/cpu/leon3/cpu.c @@ -1,7 +1,7 @@ /* CPU specific code for the LEON3 CPU * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com + * (C) Copyright 2007, 2015 + * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com * * SPDX-License-Identifier: GPL-2.0+ */ diff --git a/arch/sparc/cpu/leon3/cpu_init.c b/arch/sparc/cpu/leon3/cpu_init.c index b140da31b1..a0526cd36c 100644 --- a/arch/sparc/cpu/leon3/cpu_init.c +++ b/arch/sparc/cpu/leon3/cpu_init.c @@ -27,19 +27,11 @@ DECLARE_GLOBAL_DATA_PTR; -/* reset CPU (jump to 0, without reset) */ -void start(void); - ambapp_dev_irqmp *irqmp = NULL; ambapp_dev_gptimer *gptimer = NULL; unsigned int gptimer_irq = 0; int leon3_snooping_avail = 0; -struct { - gd_t gd_area; - bd_t bd; -} global_data; - /* * Breath some life into the CPU... * @@ -71,6 +63,15 @@ void cpu_init_f2(void) ambapp_bus_init(CONFIG_AMBAPP_IOAREA, CONFIG_SYS_CLK_FREQ, &ambapp_plb); } +int arch_cpu_init(void) +{ + gd->cpu_clk = CONFIG_SYS_CLK_FREQ; + gd->bus_clk = CONFIG_SYS_CLK_FREQ; + gd->ram_size = CONFIG_SYS_SDRAM_SIZE; + + return 0; +} + /* * initialize higher level parts of CPU like time base and timers */ diff --git a/arch/sparc/include/asm/config.h b/arch/sparc/include/asm/config.h index fd0b5513ee..c884b250fe 100644 --- a/arch/sparc/include/asm/config.h +++ b/arch/sparc/include/asm/config.h @@ -1,5 +1,6 @@ /* - * Copyright 2009 Freescale Semiconductor, Inc. + * Copyright 2015, + * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -7,6 +8,7 @@ #ifndef _ASM_CONFIG_H_ #define _ASM_CONFIG_H_ +#define CONFIG_SYS_GENERIC_GLOBAL_DATA #define CONFIG_NEEDS_MANUAL_RELOC #define CONFIG_LMB diff --git a/arch/sparc/include/asm/u-boot.h b/arch/sparc/include/asm/u-boot.h index 5f12e58131..4c4b5f218a 100644 --- a/arch/sparc/include/asm/u-boot.h +++ b/arch/sparc/include/asm/u-boot.h @@ -17,6 +17,11 @@ #ifndef __U_BOOT_H__ #define __U_BOOT_H__ +#ifdef CONFIG_SYS_GENERIC_BOARD +/* Use the generic board which requires a unified bd_info */ +#include +#else + /* * Currently, this Board information is not passed to * Linux kernel from U-Boot, but may be passed to other @@ -44,6 +49,8 @@ typedef struct bd_info { #endif /* __ASSEMBLY__ */ +#endif /* !CONFIG_SYS_GENERIC_BOARD */ + /* For image.h:image_check_target_arch() */ #define IH_ARCH_DEFAULT IH_ARCH_SPARC diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index e69b9ba426..6bddd4c8a1 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -1,9 +1,13 @@ # -# (C) Copyright 2000-2006 +# (C) Copyright 2000-2015 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # SPDX-License-Identifier: GPL-2.0+ # -obj-y = board.o cache.o interrupts.o time.o +obj-y = cache.o interrupts.o time.o obj-$(CONFIG_CMD_BOOTM) += bootm.o + +ifndef CONFIG_SYS_GENERIC_BOARD +obj-y += board.o +endif diff --git a/common/board_r.c b/common/board_r.c index a41fb547a3..f1dfa68fd5 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -813,7 +813,8 @@ init_fnc_t init_sequence_r[] = { initr_flash, #endif INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_X86) || \ + defined(CONFIG_SPARC) /* initialize higher level parts of CPU like time base and timers */ cpu_init_r, #endif -- 2.25.1