Initial ground work in preperation for generic board initialization code for the SPARC architecture.
Signed-off-by: Francois Retief fgretief@spaceteq.co.za ---
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 25dcf4a..6489cc9 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 380c397..22e63e3 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 695ee02..581f057 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 8ab3150..d57bf2f 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 b140da3..a0526cd 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 fd0b551..c884b25 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 5f12e58..4c4b5f2 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 <asm-generic/u-boot.h> +#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 e69b9ba..6bddd4c 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 f7118e8..a5690ad 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -805,7 +805,8 @@ 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