From: Angelo Dureghello <angelo@sysam.it>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/3] m68k: add generic-board support
Date: Thu, 12 Feb 2015 01:40:17 +0100 [thread overview]
Message-ID: <1423701617-20640-1-git-send-email-angelo@sysam.it> (raw)
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)
--
2.1.4
next reply other threads:[~2015-02-12 0:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-12 0:40 Angelo Dureghello [this message]
2015-03-06 15:46 ` [U-Boot] [U-Boot,3/3] m68k: add generic-board support Tom Rini
2015-03-07 8:00 ` [U-Boot] [PATCH 3/3] " Jan Kiszka
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1423701617-20640-1-git-send-email-angelo@sysam.it \
--to=angelo@sysam.it \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.