[PATCH 05/24] at91sam9261ek, at91sam9g10ek: move reset vector to board code
Sam Ravnborg
sam at ravnborg.org
Wed Dec 27 12:50:14 PST 2017
Move reset vector to board code and drop use
of arch/arm/mach-at91/at91sam9261_lowlevel_init.c.
Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
---
arch/arm/boards/at91sam9261ek/Makefile | 2 +-
arch/arm/boards/at91sam9261ek/lowlevel_init.c | 41 ++++++++++++++++++++-------
arch/arm/mach-at91/Kconfig | 4 +--
3 files changed, 32 insertions(+), 15 deletions(-)
diff --git a/arch/arm/boards/at91sam9261ek/Makefile b/arch/arm/boards/at91sam9261ek/Makefile
index 667095ae4..e7a9cde41 100644
--- a/arch/arm/boards/at91sam9261ek/Makefile
+++ b/arch/arm/boards/at91sam9261ek/Makefile
@@ -1,4 +1,4 @@
obj-y += init.o
-lwl-$(CONFIG_AT91SAM926X_LWL) += lowlevel_init.o
+lwl-y += lowlevel_init.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-at91sam9261ek
diff --git a/arch/arm/boards/at91sam9261ek/lowlevel_init.c b/arch/arm/boards/at91sam9261ek/lowlevel_init.c
index 056584166..c4e4957ca 100644
--- a/arch/arm/boards/at91sam9261ek/lowlevel_init.c
+++ b/arch/arm/boards/at91sam9261ek/lowlevel_init.c
@@ -4,16 +4,10 @@
* Under GPLv2
*/
-#include <common.h>
-#include <init.h>
-#include <mach/hardware.h>
-#include <mach/at91_rstc.h>
-#include <mach/at91_wdt.h>
-#include <mach/at91_pmc.h>
-#include <mach/at91sam9_smc.h>
-#include <mach/at91sam9_sdramc.h>
-#include <mach/at91sam9_matrix.h>
-#include <mach/at91_lowlevel_init.h>
+#include <asm/barebox-arm.h>
+
+#include <mach/at91sam926x_board_init.h>
+#include <mach/at91sam9261_matrix.h>
#define MASTER_CLOCK 200
@@ -25,7 +19,7 @@
#define MASTER_PLL_DIV 1
#endif
-void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg)
+static void __bare_init at91sam9261ek_board_config(struct at91sam926x_board_cfg *cfg)
{
/* Disable Watchdog */
cfg->wdt_mr =
@@ -106,3 +100,28 @@ void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_c
AT91_RSTC_RSTTYP_WAKEUP |
AT91_RSTC_RSTTYP_WATCHDOG;
}
+
+static void __bare_init at91sam9261ek_init(void)
+{
+ struct at91sam926x_board_cfg cfg;
+
+ cfg.pio = IOMEM(AT91SAM9261_BASE_PIOC);
+ cfg.sdramc = IOMEM(AT91SAM9261_BASE_SDRAMC);
+ cfg.ebi_pio_is_peripha = false;
+ cfg.matrix_csa = AT91_MATRIX_EBICSA;
+
+ at91sam9261ek_board_config(&cfg);
+ at91sam926x_board_init(&cfg);
+
+ barebox_arm_entry(AT91_CHIPSELECT_1, at91_get_sdram_size(cfg.sdramc),
+ NULL);
+}
+
+void __naked __bare_init barebox_arm_reset_vector(void)
+{
+ arm_cpu_lowlevel_init();
+
+ arm_setup_stack(AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE - 16);
+
+ at91sam9261ek_init();
+}
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index e7b664e9a..be2173185 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -336,8 +336,7 @@ config MACH_AT91SAM9261EK
select HAVE_AT91_DATAFLASH_CARD
select HAVE_NAND_ATMEL_BUSWIDTH_16
select HAVE_AT91_BOOTSTRAP
- select AT91SAM9261_LWL
- select AT91SAM926X_LWL
+ select AT91SAM926X_BOARD_INIT
help
Select this if you are using Atmel's AT91SAM9261-EK Evaluation Kit.
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3820>
@@ -366,7 +365,6 @@ config MACH_AT91SAM9G10EK
bool "Atmel AT91SAM9G10-EK Evaluation Kit"
select HAVE_NAND_ATMEL_BUSWIDTH_16
select HAS_DM9000
- select AT91SAM9261_LWL
help
Select this if you are using Atmel's AT91SAM9G10-EK Evaluation Kit.
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4588>
--
2.12.0
More information about the barebox
mailing list