[PATCH 09/23] usb-a926x: move reset vector to board code
Sam Ravnborg
sam at ravnborg.org
Fri Jul 7 05:12:28 PDT 2017
For all Calao USB boards move reset vector to board code.
Introduce two different lowlevel.c files, on
for each processor.
Include a rename to make filenames similar.
Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
---
arch/arm/boards/usb-a926x/Makefile | 4 +-
arch/arm/boards/usb-a926x/usb_a9260_lowlevel.c | 26 +++++++++++++
..._a9263_lowlevel_init.c => usb_a9263_lowlevel.c} | 43 ++++++++++++++++------
arch/arm/mach-at91/Kconfig | 4 --
4 files changed, 61 insertions(+), 16 deletions(-)
create mode 100644 arch/arm/boards/usb-a926x/usb_a9260_lowlevel.c
rename arch/arm/boards/usb-a926x/{usb_a9263_lowlevel_init.c => usb_a9263_lowlevel.c} (76%)
diff --git a/arch/arm/boards/usb-a926x/Makefile b/arch/arm/boards/usb-a926x/Makefile
index a4eae1844..65cc4082f 100644
--- a/arch/arm/boards/usb-a926x/Makefile
+++ b/arch/arm/boards/usb-a926x/Makefile
@@ -2,6 +2,8 @@ obj-y += init.o
obj-$(CONFIG_AT91_BOOTSTRAP) += usb_a9263_bootstrap.o
-lwl-$(CONFIG_AT91SAM926X_LWL) += usb_a9263_lowlevel_init.o
+lwl-$(CONFIG_MACH_USB_A9260) += usb_a9260_lowlevel.o
+lwl-$(CONFIG_MACH_USB_A9G20) += usb_a9260_lowlevel.o
+lwl-$(CONFIG_MACH_USB_A9263) += usb_a9263_lowlevel.o
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-usb-a926x
diff --git a/arch/arm/boards/usb-a926x/usb_a9260_lowlevel.c b/arch/arm/boards/usb-a926x/usb_a9260_lowlevel.c
new file mode 100644
index 000000000..02896856d
--- /dev/null
+++ b/arch/arm/boards/usb-a926x/usb_a9260_lowlevel.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2009-2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <init.h>
+
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9260.h>
+#include <mach/hardware.h>
+
+void __naked __bare_init barebox_arm_reset_vector(void)
+{
+ arm_cpu_lowlevel_init();
+
+ arm_setup_stack(AT91SAM9260_SRAM_BASE + AT91SAM9260_SRAM_SIZE - 16);
+
+ barebox_arm_entry(AT91_CHIPSELECT_1,
+ at91_get_sdram_size(IOMEM(AT91SAM9260_BASE_SDRAMC)),
+ NULL);
+}
diff --git a/arch/arm/boards/usb-a926x/usb_a9263_lowlevel_init.c b/arch/arm/boards/usb-a926x/usb_a9263_lowlevel.c
similarity index 76%
rename from arch/arm/boards/usb-a926x/usb_a9263_lowlevel_init.c
rename to arch/arm/boards/usb-a926x/usb_a9263_lowlevel.c
index f6dc58e3f..066452b95 100644
--- a/arch/arm/boards/usb-a926x/usb_a9263_lowlevel_init.c
+++ b/arch/arm/boards/usb-a926x/usb_a9263_lowlevel.c
@@ -4,16 +4,12 @@
* 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 <linux/sizes.h>
+
+#include <asm/barebox-arm.h>
+
+#include <mach/at91sam926x_board_init.h>
+#include <mach/at91sam9263_matrix.h>
#define MASTER_CLOCK 180
@@ -24,7 +20,7 @@
#endif
#define MASTER_PLL_DIV 6
-void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_cfg *cfg)
+static void __bare_init usb_a9263_board_config(struct at91sam926x_board_cfg *cfg)
{
/* Disable Watchdog */
cfg->wdt_mr =
@@ -109,3 +105,28 @@ void __bare_init at91sam926x_lowlevel_board_config(struct at91sam926x_lowlevel_c
AT91_RSTC_RSTTYP_WAKEUP |
AT91_RSTC_RSTTYP_WATCHDOG;
}
+
+static void __bare_init usb_a9263_init(void)
+{
+ struct at91sam926x_board_cfg cfg;
+
+ cfg.pio = IOMEM(AT91SAM9263_BASE_PIOD);
+ cfg.sdramc = IOMEM(AT91SAM9263_BASE_SDRAMC0);
+ cfg.ebi_pio_is_peripha = true;
+ cfg.matrix_csa = AT91_MATRIX_EBI0CSA;
+
+ usb_a9263_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(AT91SAM9263_SRAM0_BASE + AT91SAM9263_SRAM0_SIZE - 16);
+
+ usb_a9263_init();
+}
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index b7d08b1e6..1c9dbd578 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -300,7 +300,6 @@ config MACH_TNY_A9260
config MACH_USB_A9260
bool "CALAO USB-A9260"
select SUPPORT_CALAO_DAB_MMX
- select AT91SAM9260_LWL
help
Select this if you are using a Calao Systems USB-A9260.
<http://www.calao-systems.com>
@@ -389,7 +388,6 @@ config MACH_TNY_A9G20
config MACH_USB_A9G20
bool "CALAO USB-A9G20"
select SUPPORT_CALAO_DAB_MMX
- select AT91SAM9260_LWL
help
Select this if you are using a Calao Systems USB-A9G20.
<http://www.calao-systems.com>
@@ -456,8 +454,6 @@ config MACH_TNY_A9263
config MACH_USB_A9263
bool "CALAO USB-A9263"
select HAVE_AT91_BOOTSTRAP
- select AT91SAM9263_LWL
- select AT91SAM926X_LWL
help
Select this if you are using a Calao Systems USB-A9263.
<http://www.calao-systems.com>
--
2.12.0
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