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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 03/14] at91sam9x5ek: Add preliminary device tree support
Date: Thu, 23 Mar 2017 06:23:47 -0700	[thread overview]
Message-ID: <20170323132358.8539-4-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20170323132358.8539-1-andrew.smirnov@gmail.com>

Add basic code to build and pass board device tree blob to Barebox
initialization code.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 arch/arm/boards/at91sam9x5ek/lowlevel.c | 7 ++++++-
 arch/arm/configs/at91sam9x5ek_defconfig | 2 ++
 arch/arm/dts/Makefile                   | 2 ++
 arch/arm/dts/at91sam9x5ek.dts           | 9 +++++++++
 arch/arm/mach-at91/Kconfig              | 1 +
 5 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/at91sam9x5ek.dts

diff --git a/arch/arm/boards/at91sam9x5ek/lowlevel.c b/arch/arm/boards/at91sam9x5ek/lowlevel.c
index 9b5c926..acf80d7 100644
--- a/arch/arm/boards/at91sam9x5ek/lowlevel.c
+++ b/arch/arm/boards/at91sam9x5ek/lowlevel.c
@@ -6,11 +6,16 @@
 #include <io.h>
 #include <debug_ll.h>
 
+extern char __dtb_at91sam9x5ek_start[];
 
 ENTRY_FUNCTION(start_at91sam9x5ek, r0, r1, r2)
 {
+	void *fdt;
+
 	arm_cpu_lowlevel_init();
 	arm_setup_stack(AT91SAM9X5_SRAM_BASE + AT91SAM9X5_SRAM_SIZE - 16);
 
-	barebox_arm_entry(AT91_CHIPSELECT_1, at91sam9x5_get_ddram_size(), NULL);
+	fdt = __dtb_at91sam9x5ek_start - get_runtime_offset();
+
+	barebox_arm_entry(AT91_CHIPSELECT_1, at91sam9x5_get_ddram_size(), fdt);
 }
diff --git a/arch/arm/configs/at91sam9x5ek_defconfig b/arch/arm/configs/at91sam9x5ek_defconfig
index d6f18b2..0691145 100644
--- a/arch/arm/configs/at91sam9x5ek_defconfig
+++ b/arch/arm/configs/at91sam9x5ek_defconfig
@@ -51,6 +51,7 @@ CONFIG_CMD_OFTREE=y
 CONFIG_NET=y
 CONFIG_NET_NFS=y
 CONFIG_NET_NETCONSOLE=y
+CONFIG_OF_BAREBOX_DRIVERS=y
 CONFIG_DRIVER_NET_MACB=y
 CONFIG_NET_USB=y
 CONFIG_NET_USB_ASIX=y
@@ -74,6 +75,7 @@ CONFIG_USB_STORAGE=y
 CONFIG_MCI=y
 CONFIG_MCI_STARTUP=y
 CONFIG_MCI_ATMEL=y
+CONFIG_MFD_SYSCON=y
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
 CONFIG_LED_TRIGGERS=y
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 70359d8..c9a0946 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -89,5 +89,7 @@ pbl-dtb-$(CONFIG_MACH_ZII_VF610_DEV) += \
 	vf610-zii-spu3-rev-a.dtb.o	\
 	vf610-zii-scu4-aib-rev-c.dtb.o
 
+pbl-dtb-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o
+
 
 clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.lzo
diff --git a/arch/arm/dts/at91sam9x5ek.dts b/arch/arm/dts/at91sam9x5ek.dts
new file mode 100644
index 0000000..db1bd67
--- /dev/null
+++ b/arch/arm/dts/at91sam9x5ek.dts
@@ -0,0 +1,9 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/at91.h>
+
+#include <arm/at91sam9x5.dtsi>
+#include <arm/at91sam9x5_lcd.dtsi>
+#include <arm/at91sam9x5dm.dtsi>
+#include <arm/at91sam9x5ek.dtsi>
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 67238f8..2870bf3 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -180,6 +180,7 @@ config ARCH_AT91SAM9G45
 config ARCH_AT91SAM9X5
 	bool "AT91SAM9X5"
 	select SOC_AT91SAM9X5
+	select OFDEVICE
 
 config ARCH_AT91SAM9N12
 	bool "AT91SAM9N12"
-- 
2.9.3


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  parent reply	other threads:[~2017-03-23 13:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-23 13:23 [PATCH 00/14] AT91, at91sam9x5ek updates (part III/III) Andrey Smirnov
2017-03-23 13:23 ` [PATCH 01/14] at91sam9x5ek: Convert to mult-image build Andrey Smirnov
2017-04-16  8:24   ` Sam Ravnborg
2017-04-19  9:46     ` Sascha Hauer
2017-03-23 13:23 ` [PATCH 02/14] at91sam9x5ek: Add CONFIG_KALLSYMS to defconfig Andrey Smirnov
2017-03-23 13:23 ` Andrey Smirnov [this message]
2017-03-23 13:23 ` [PATCH 04/14] at91sam9x5ek: Convert to use DT clock tree Andrey Smirnov
2017-03-23 13:23 ` [PATCH 05/14] at91sam9x5ek: Remove at91sam9x5ek_mem_init() Andrey Smirnov
2017-03-23 13:23 ` [PATCH 06/14] at91: Enable PINCTRL for SOC_AT91SAM9 Andrey Smirnov
2017-03-23 13:23 ` [PATCH 07/14] at91sam9x5ek: Configure LEDs in DT Andrey Smirnov
2017-03-23 13:23 ` [PATCH 08/14] at91sam9x5ek: Configure I2C via DT Andrey Smirnov
2017-03-23 13:23 ` [PATCH 09/14] at91sam9x5ek: Configure MMC in DT Andrey Smirnov
2017-03-23 13:23 ` [PATCH 10/14] at91sam9x5ek: Configure SPI " Andrey Smirnov
2017-03-23 13:23 ` [PATCH 11/14] at91sam9x5ek: Configure 1-wire " Andrey Smirnov
2017-03-23 13:23 ` [PATCH 12/14] at91sam9x5ek: Configure USB " Andrey Smirnov
2017-03-23 13:23 ` [PATCH 13/14] at91sam9x5ek: Configure Ethernet " Andrey Smirnov
2017-03-23 13:23 ` [PATCH 14/14] at91sam9x5ek: Configure NAND " Andrey Smirnov
2017-03-29  6:33 ` [PATCH 00/14] AT91, at91sam9x5ek updates (part III/III) Sascha Hauer

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