Merge tag 'u-boot-atmel-2019.07-a' of git://git.denx.de/u-boot-atmel

First set of u-boot-atmel features and fixes for 2019.07 cycle

12 files changed, 216 insertions, 3 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 0e2ffdb87f..930b7e03db 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -598,6 +598,8 @@ dtb-$(CONFIG_TARGET_AT91SAM9260EK) += \
 
 dtb-$(CONFIG_TARGET_AT91SAM9M10G45EK) += at91sam9m10g45ek.dtb
 
+dtb-$(CONFIG_TARGET_PM9G45) += at91sam9m10g45ek.dtb
+
 dtb-$(CONFIG_TARGET_AT91SAM9X5EK) += \
 	at91sam9g15ek.dtb	\
 	at91sam9g25ek.dtb	\
@@ -607,6 +609,9 @@ dtb-$(CONFIG_TARGET_AT91SAM9X5EK) += \
 
 dtb-$(CONFIG_TARGET_AT91SAM9N12EK) += at91sam9n12ek.dtb
 
+dtb-$(CONFIG_TARGET_GARDENA_SMART_GATEWAY_AT91SAM) += \
+	at91sam9g25-gardena-smart-gateway.dtb
+
 dtb-$(CONFIG_TARGET_ETHERNUT5) += ethernut5.dtb
 
 dtb-$(CONFIG_TARGET_USB_A9263) += usb_a9263.dtb
diff --git a/arch/arm/dts/at91sam9g25-gardena-smart-gateway-u-boot.dtsi b/arch/arm/dts/at91sam9g25-gardena-smart-gateway-u-boot.dtsi
new file mode 100644
index 0000000000..732dee6c0e
--- /dev/null
+++ b/arch/arm/dts/at91sam9g25-gardena-smart-gateway-u-boot.dtsi
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+&dbgu {
+	u-boot,dm-pre-reloc;
+};
diff --git a/arch/arm/dts/at91sam9g25-gardena-smart-gateway.dts b/arch/arm/dts/at91sam9g25-gardena-smart-gateway.dts
new file mode 100644
index 0000000000..e2f8d8047e
--- /dev/null
+++ b/arch/arm/dts/at91sam9g25-gardena-smart-gateway.dts
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the GARDENA smart Gateway (AT91SAM)
+ *
+ *  Copyright (C) 2012 Atmel,
+ *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
+ */
+
+/dts-v1/;
+
+#include "at91sam9g25.dtsi"
+
+/ {
+	model = "GARDENA smart Gateway (AT91SAM)";
+	compatible = "gardena,smart-gateway-at91sam", "atmel,at91sam9";
+
+	aliases {
+		serial0 = &dbgu;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		power_blue {
+			label = "smartgw:power:blue";
+			gpios = <&pioC 21 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		power_green {
+			label = "smartgw:power:green";
+			gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+
+		power_red {
+			label = "smartgw:power:red";
+			gpios = <&pioC 19 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		radio_blue {
+			label = "smartgw:radio:blue";
+			gpios = <&pioC 18 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		radio_green {
+			label = "smartgw:radio:green";
+			gpios = <&pioC 17 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		radio_red {
+			label = "smartgw:radio:red";
+			gpios = <&pioC 16 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		internet_blue {
+			label = "smartgw:internet:blue";
+			gpios = <&pioC 15 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		internet_green {
+			label = "smartgw:internet:green";
+			gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		internet_red {
+			label = "smartgw:internet:red";
+			gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&macb0 {
+	phy-mode = "rmii";
+	status = "okay";
+};
+
+&nand0 {
+	nand-bus-width = <8>;
+	nand-ecc-mode = "hw";
+	atmel,has-pmecc;	/* Enable PMECC */
+	atmel,pmecc-cap = <2>;
+	atmel,pmecc-sector-size = <512>;
+	nand-on-flash-bbt;
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+	timeout-sec = <16>;
+};
diff --git a/arch/arm/dts/at91sam9x5.dtsi b/arch/arm/dts/at91sam9x5.dtsi
index ea319cc18b..bd4abe00d6 100644
--- a/arch/arm/dts/at91sam9x5.dtsi
+++ b/arch/arm/dts/at91sam9x5.dtsi
@@ -1180,7 +1180,7 @@
 				};
 			};
 
-			watchdog@fffffe40 {
+			watchdog: watchdog@fffffe40 {
 				compatible = "atmel,at91sam9260-wdt";
 				reg = <0xfffffe40 0x10>;
 				interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index a6329dc022..a089e9439e 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -147,6 +147,13 @@ config TARGET_AT91SAM9X5EK
 	select BOARD_LATE_INIT
 	select SUPPORT_SPL
 
+config TARGET_GARDENA_SMART_GATEWAY_AT91SAM
+	bool "GARDENA smart Gateway (AT91SAM)"
+	select AT91SAM9X5
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	select SUPPORT_SPL
+
 config TARGET_SAMA5D2_PTC_EK
 	bool "SAMA5D2 PTC EK board"
 	select BOARD_EARLY_INIT_F
@@ -283,6 +290,7 @@ source "board/bluewater/snapper9260/Kconfig"
 source "board/calao/usb_a9263/Kconfig"
 source "board/egnite/ethernut5/Kconfig"
 source "board/esd/meesc/Kconfig"
+source "board/gardena/smart-gateway-at91sam/Kconfig"
 source "board/l+g/vinco/Kconfig"
 source "board/mini-box/picosam9g45/Kconfig"
 source "board/ronetix/pm9261/Kconfig"
diff --git a/arch/arm/mach-at91/arm926ejs/Makefile b/arch/arm/mach-at91/arm926ejs/Makefile
index 0639d7ea1e..6b0b28957a 100644
--- a/arch/arm/mach-at91/arm926ejs/Makefile
+++ b/arch/arm/mach-at91/arm926ejs/Makefile
@@ -24,8 +24,10 @@ obj-y	+= timer.o
 endif
 
 ifndef CONFIG_SKIP_LOWLEVEL_INIT
+ifndef CONFIG_SKIP_LOWLEVEL_INIT_ONLY
 obj-y	+= lowlevel_init.o
 endif
+endif
 
 ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
 ifndef CONFIG_HAS_THUMB2
diff --git a/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
index f18b17dc93..3955bea23a 100644
--- a/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
+++ b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
@@ -39,6 +39,8 @@ SECTIONS
 		*(.__end)
 	} >.sram
 
+	_image_binary_end = .;
+
 	.bss :
 	{
 		. = ALIGN(4);
diff --git a/arch/arm/mach-at91/armv7/sama5d2_devices.c b/arch/arm/mach-at91/armv7/sama5d2_devices.c
index 6432f66c82..59a0c44913 100644
--- a/arch/arm/mach-at91/armv7/sama5d2_devices.c
+++ b/arch/arm/mach-at91/armv7/sama5d2_devices.c
@@ -9,7 +9,7 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/sama5d2.h>
 
-int cpu_is_sama5d2(void)
+int _cpu_is_sama5d2(void)
 {
 	unsigned int chip_id = get_chip_id();
 
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index 64cbc3d1ed..1d3df2c09d 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -5,12 +5,17 @@
  */
 
 #include <common.h>
+#include <dm.h>
+#include <wdt.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_wdt.h>
 
 #define EN_UPLL_TIMEOUT		500
 
+static struct udevice *watchdog_dev __attribute__((section(".data"))) = NULL;
+
 void at91_periph_clk_enable(int id)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
@@ -118,3 +123,46 @@ void at91_pllicpr_init(u32 icpr)
 
 	writel(icpr, &pmc->pllicpr);
 }
+
+/* Called by macro WATCHDOG_RESET */
+void watchdog_reset(void)
+{
+	static ulong next_reset;
+	ulong now;
+
+	if (!watchdog_dev)
+		return;
+
+	now = get_timer(0);
+
+	/* Do not reset the watchdog too often */
+	if (now > next_reset) {
+		next_reset = now + 1000;	/* reset every 1000ms */
+		wdt_reset(watchdog_dev);
+	}
+}
+
+int arch_early_init_r(void)
+{
+	struct at91_wdt_priv *priv;
+
+	/* Init watchdog */
+	if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) {
+		debug("Watchdog: Not found by seq!\n");
+		if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
+			puts("Watchdog: Not found!\n");
+			return 0;
+		}
+	}
+
+	priv = dev_get_priv(watchdog_dev);
+	if (!priv) {
+		printf("Watchdog: priv not available!\n");
+		return 0;
+	}
+
+	wdt_start(watchdog_dev, priv->timeout * 1000, 0);
+	printf("Watchdog: Started\n");
+
+	return 0;
+}
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h
index cd2272367b..a8fc73b3d1 100644
--- a/arch/arm/mach-at91/include/mach/at91_wdt.h
+++ b/arch/arm/mach-at91/include/mach/at91_wdt.h
@@ -25,6 +25,12 @@ typedef struct at91_wdt {
 	u32	sr;
 } at91_wdt_t;
 
+struct at91_wdt_priv {
+	void __iomem *regs;
+	u32 regval;
+	u32 timeout;
+};
+
 #endif
 
 /* Watchdog Control Register */
@@ -43,4 +49,8 @@ typedef struct at91_wdt {
 #define AT91_WDT_MR_WDDBGHLT		0x10000000
 #define AT91_WDT_MR_WDIDLEHLT		0x20000000
 
+/* Hardware timeout in seconds */
+#define WDT_MAX_TIMEOUT		16
+#define WDT_DEFAULT_TIMEOUT	2
+
 #endif
diff --git a/arch/arm/mach-at91/include/mach/sama5d2.h b/arch/arm/mach-at91/include/mach/sama5d2.h
index 37806cbf34..c7d9bb5ad3 100644
--- a/arch/arm/mach-at91/include/mach/sama5d2.h
+++ b/arch/arm/mach-at91/include/mach/sama5d2.h
@@ -222,6 +222,9 @@
 #define ARCH_EXID_SAMA5D27C_D1G		0x00000033
 #define ARCH_EXID_SAMA5D28C_D1G		0x00000013
 
+/* Checked if defined in ethernet driver macb */
+#define cpu_is_sama5d2	_cpu_is_sama5d2
+
 /* PIT Timer(PIT_PIIR) */
 #define CONFIG_SYS_TIMER_COUNTER	0xf804803c
 
@@ -231,7 +234,7 @@
 #ifndef __ASSEMBLY__
 unsigned int get_chip_id(void);
 unsigned int get_extension_chip_id(void);
-int cpu_is_sama5d2(void);
+int _cpu_is_sama5d2(void);
 unsigned int has_lcdc(void);
 char *get_cpu_name(void);
 #endif
diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c
index 23ebaa99b1..1065f090e0 100644
--- a/arch/arm/mach-at91/spl_at91.c
+++ b/arch/arm/mach-at91/spl_at91.c
@@ -75,6 +75,16 @@ void __weak spl_board_init(void)
 
 void board_init_f(ulong dummy)
 {
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+	int ret;
+
+	ret = spl_early_init();
+	if (ret) {
+		debug("spl_early_init() failed: %d\n", ret);
+		hang();
+	}
+#endif
+
 	lowlevel_clock_init();
 #if !defined(CONFIG_WDT_AT91)
 	at91_disable_wdt();