Add generic-board support for the m68k architecture.
Signed-off-by: Angelo Dureghello angelo@sysam.it --- arch/m68k/config.mk | 3 +++ arch/m68k/include/asm/config.h | 3 +++ arch/m68k/include/asm/u-boot.h | 8 ++++++++ arch/m68k/lib/Makefile | 4 +++- common/board_f.c | 22 ++++++++++++++++------ common/board_r.c | 22 +++++++--------------- include/asm-generic/u-boot.h | 2 +- 7 files changed, 41 insertions(+), 23 deletions(-)
diff --git a/arch/m68k/config.mk b/arch/m68k/config.mk index 3b3a7e8..a629b68 100644 --- a/arch/m68k/config.mk +++ b/arch/m68k/config.mk @@ -11,6 +11,9 @@ endif
CONFIG_STANDALONE_LOAD_ADDR ?= 0x20000
+# Support generic board on m68k +__HAVE_ARCH_GENERIC_BOARD := y + PLATFORM_CPPFLAGS += -D__M68K__ PLATFORM_LDFLAGS += -n PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections diff --git a/arch/m68k/include/asm/config.h b/arch/m68k/include/asm/config.h index 9c4d3fb..7590842 100644 --- a/arch/m68k/include/asm/config.h +++ b/arch/m68k/include/asm/config.h @@ -7,6 +7,9 @@ #ifndef _ASM_CONFIG_H_ #define _ASM_CONFIG_H_
+#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_SYS_GENERIC_GLOBAL_DATA + #define CONFIG_NEEDS_MANUAL_RELOC
#define CONFIG_LMB diff --git a/arch/m68k/include/asm/u-boot.h b/arch/m68k/include/asm/u-boot.h index 983cb2d..911c0d3 100644 --- a/arch/m68k/include/asm/u-boot.h +++ b/arch/m68k/include/asm/u-boot.h @@ -20,6 +20,11 @@ * include/asm-ppc/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 + #ifndef __ASSEMBLY__
typedef struct bd_info { @@ -48,6 +53,9 @@ typedef struct bd_info {
#endif /* __ASSEMBLY__ */
+#endif /* !CONFIG_SYS_GENERIC_BOARD */ + + /* For image.h:image_check_target_arch() */ #define IH_ARCH_DEFAULT IH_ARCH_M68K
diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile index 65867d6..d0e1a84 100644 --- a/arch/m68k/lib/Makefile +++ b/arch/m68k/lib/Makefile @@ -5,7 +5,9 @@ # SPDX-License-Identifier: GPL-2.0+ #
-obj-y += board.o +ifndef CONFIG_SYS_GENERIC_BOARD +obj-y += board.o +endif obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += cache.o obj-y += interrupts.o diff --git a/common/board_f.c b/common/board_f.c index bdad36b..0de3919 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -174,7 +174,7 @@ static int announce_dram_init(void) return 0; }
-#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) +#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K) static int init_func_ram(void) { #ifdef CONFIG_BOARD_TYPES @@ -624,7 +624,7 @@ static int display_new_sp(void) return 0; }
-#ifdef CONFIG_PPC +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) static int setup_board_part1(void) { bd_t *bd = gd->bd; @@ -645,7 +645,7 @@ static int setup_board_part1(void) defined(CONFIG_E500) || defined(CONFIG_MPC86xx) bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ #endif -#if defined(CONFIG_MPC5xxx) +#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K) bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ #endif #if defined(CONFIG_MPC83xx) @@ -735,6 +735,13 @@ static int setup_reloc(void) { #ifdef CONFIG_SYS_TEXT_BASE gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE; +#ifdef CONFIG_M68K + /* + * On all ColdFire arch cpu, monitor code starts always + * just after the default vector table location, so at 0x400 + */ + gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400); +#endif #endif memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
@@ -860,6 +867,9 @@ static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_FSL_ESDHC get_clocks, #endif +#ifdef CONFIG_M68K + get_clocks, +#endif env_init, /* initialize environment */ #if defined(CONFIG_8xx_CPUCLK_DEFAULT) /* get CPU and bus clocks according to the environment variable */ @@ -886,7 +896,7 @@ static init_fnc_t init_sequence_f[] = { #if defined(CONFIG_MPC83xx) prt_83xx_rsr, #endif -#ifdef CONFIG_PPC +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) checkcpu, #endif print_cpuinfo, /* display cpu info (and speed) */ @@ -912,7 +922,7 @@ static init_fnc_t init_sequence_f[] = { #if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) dram_init, /* configure available RAM banks */ #endif -#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) +#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K) init_func_ram, #endif #ifdef CONFIG_POST @@ -980,7 +990,7 @@ static init_fnc_t init_sequence_f[] = { reserve_stacks, setup_dram_config, show_dram_config, -#ifdef CONFIG_PPC +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) setup_board_part1, INIT_FUNC_WATCHDOG_RESET setup_board_part2, diff --git a/common/board_r.c b/common/board_r.c index 907b33c..b2488c0 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -164,14 +164,17 @@ static int initr_serial(void) return 0; }
-#ifdef CONFIG_PPC +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) static int initr_trap(void) { /* * Setup trap handlers */ +#if defined(CONFIG_PPC) trap_init(gd->relocaddr); - +#else + trap_init(CONFIG_SYS_SDRAM_BASE); +#endif return 0; } #endif @@ -265,14 +268,6 @@ static int initr_malloc(void) return 0; }
-#ifdef CONFIG_SYS_NONCACHED_MEMORY -static int initr_noncached(void) -{ - noncached_init(); - return 0; -} -#endif - #ifdef CONFIG_DM static int initr_dm(void) { @@ -688,9 +683,6 @@ init_fnc_t init_sequence_r[] = { #endif initr_barrier, initr_malloc, -#ifdef CONFIG_SYS_NONCACHED_MEMORY - initr_noncached, -#endif bootstage_relocate, #ifdef CONFIG_DM initr_dm, @@ -714,7 +706,7 @@ init_fnc_t init_sequence_r[] = { #ifdef CONFIG_NEEDS_MANUAL_RELOC initr_manual_reloc_cmdtable, #endif -#ifdef CONFIG_PPC +#if defined(CONFIG_PPC) || defined(CONFIG_M68K) initr_trap, #endif #ifdef CONFIG_ADDR_MAP @@ -813,7 +805,7 @@ init_fnc_t init_sequence_r[] = { #if defined(CONFIG_ARM) initr_enable_interrupts, #endif -#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) +#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_M68K) timer_init, /* initialize timer */ #endif #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) diff --git a/include/asm-generic/u-boot.h b/include/asm-generic/u-boot.h index aef39d7..e00db7d 100644 --- a/include/asm-generic/u-boot.h +++ b/include/asm-generic/u-boot.h @@ -41,7 +41,7 @@ typedef struct bd_info { || defined(CONFIG_E500) || defined(CONFIG_MPC86xx) unsigned long bi_immr_base; /* base of IMMR register */ #endif -#if defined(CONFIG_MPC5xxx) +#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K) unsigned long bi_mbar_base; /* base of internal registers */ #endif #if defined(CONFIG_MPC83xx)