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* [PATCH 00/12] Vexpress rework
@ 2017-09-15  8:39 Lucas Stach
  2017-09-15  8:39 ` [PATCH 01/12] ARM: vexpress: always build relocatable image Lucas Stach
                   ` (11 more replies)
  0 siblings, 12 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

Hi all,

this series converts the VExpress architecture to probe from DT and
switches it over to a multi-image build, to make it more alike the
other ARM architectures.

Based atop that are some patches from Michael to make it more useful
when running on the QEMU emulated platform.

Regards,
Lucas

Lucas Stach (8):
  ARM: vexpress: always build relocatable image
  of: populate clock providers before other devices
  clk: versatile: add basic clocks
  clocksource: sp804: silently ignore secondary instaces
  mci: mmci: add DT support
  ARM: vexpress: switch to DT probe and multi-image build
  ARM: vexpress: regenerate config
  docs: add qemu vexpress

Michael Olbrich (4):
  vexpress: use device tree provided by QEMU if available
  vexpress: add bootstate node to the device tree
  of: base: add funtion to copy a device tree node
  ARM: vexpress: add fixup handler for 'virtio,mmio' devices

 Documentation/boards/arm-qemu-vexpress.rst         |  20 +++
 arch/arm/boards/vexpress/Makefile                  |   2 -
 .../arm/boards/vexpress/defaultenv-vexpress/config |  38 ------
 arch/arm/boards/vexpress/init.c                    | 144 +++++----------------
 arch/arm/boards/vexpress/lowlevel.c                |  36 +++++-
 arch/arm/configs/vexpress_ca9_defconfig            |  52 --------
 arch/arm/configs/vexpress_defconfig                |  17 ++-
 arch/arm/dts/Makefile                              |   2 +
 arch/arm/dts/vexpress-v2p-ca15.dts                 |  27 ++++
 arch/arm/dts/vexpress-v2p-ca9.dts                  |  90 +++++++++++++
 arch/arm/mach-vexpress/Kconfig                     |   7 +-
 arch/arm/mach-vexpress/Makefile                    |   1 -
 arch/arm/mach-vexpress/devices.c                   |  83 ------------
 arch/arm/mach-vexpress/include/mach/devices.h      |   9 --
 arch/arm/mach-vexpress/v2m.c                       |  38 ------
 drivers/clk/Makefile                               |   1 +
 drivers/clk/vexpress/Makefile                      |   1 +
 drivers/clk/vexpress/clk-sp810.c                   | 137 ++++++++++++++++++++
 drivers/clk/vexpress/clk-vexpress-osc.c            |  42 ++++++
 drivers/clocksource/amba-sp804.c                   |   4 +-
 drivers/mci/mmci.c                                 |  39 +++++-
 drivers/of/base.c                                  |  18 ++-
 images/Makefile                                    |   1 +
 images/Makefile.vexpress                           |  11 ++
 include/of.h                                       |   8 ++
 25 files changed, 481 insertions(+), 347 deletions(-)
 create mode 100644 Documentation/boards/arm-qemu-vexpress.rst
 delete mode 100644 arch/arm/boards/vexpress/defaultenv-vexpress/config
 delete mode 100644 arch/arm/configs/vexpress_ca9_defconfig
 create mode 100644 arch/arm/dts/vexpress-v2p-ca15.dts
 create mode 100644 arch/arm/dts/vexpress-v2p-ca9.dts
 delete mode 100644 arch/arm/mach-vexpress/devices.c
 create mode 100644 drivers/clk/vexpress/Makefile
 create mode 100644 drivers/clk/vexpress/clk-sp810.c
 create mode 100644 drivers/clk/vexpress/clk-vexpress-osc.c
 create mode 100644 images/Makefile.vexpress

-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 01/12] ARM: vexpress: always build relocatable image
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 02/12] of: populate clock providers before other devices Lucas Stach
                   ` (10 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

This allows to make more space available for the malloc area and
allows us to drop the special CA9 defconfig, which had a different
text base.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/configs/vexpress_ca9_defconfig | 52 ---------------------------------
 arch/arm/configs/vexpress_defconfig     |  1 +
 arch/arm/mach-vexpress/Kconfig          |  3 +-
 3 files changed, 3 insertions(+), 53 deletions(-)
 delete mode 100644 arch/arm/configs/vexpress_ca9_defconfig

diff --git a/arch/arm/configs/vexpress_ca9_defconfig b/arch/arm/configs/vexpress_ca9_defconfig
deleted file mode 100644
index a1c42512d205..000000000000
--- a/arch/arm/configs/vexpress_ca9_defconfig
+++ /dev/null
@@ -1,52 +0,0 @@
-CONFIG_ARCH_VEXPRESS=y
-CONFIG_AEABI=y
-CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
-CONFIG_TEXT_BASE=0x63f00000
-CONFIG_MALLOC_TLSF=y
-CONFIG_PROMPT="vexpress: "
-CONFIG_GLOB=y
-CONFIG_HUSH_FANCY_PROMPT=y
-CONFIG_CMDLINE_EDITING=y
-CONFIG_AUTO_COMPLETE=y
-CONFIG_MENU=y
-CONFIG_BOOTM_SHOW_TYPE=y
-CONFIG_BOOTM_VERBOSE=y
-CONFIG_BOOTM_INITRD=y
-CONFIG_PARTITION=y
-CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
-CONFIG_LONGHELP=y
-CONFIG_CMD_MEMINFO=y
-# CONFIG_CMD_BOOTU is not set
-CONFIG_CMD_GO=y
-CONFIG_CMD_LOADB=y
-CONFIG_CMD_RESET=y
-CONFIG_CMD_UIMAGE=y
-CONFIG_CMD_PARTITION=y
-CONFIG_CMD_EXPORT=y
-CONFIG_CMD_PRINTENV=y
-CONFIG_CMD_SAVEENV=y
-CONFIG_CMD_UNCOMPRESS=y
-CONFIG_CMD_SLEEP=y
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_PING=y
-CONFIG_CMD_TFTP=y
-CONFIG_CMD_ECHO_E=y
-CONFIG_CMD_EDIT=y
-CONFIG_CMD_LOGIN=y
-CONFIG_CMD_MENU=y
-CONFIG_CMD_MENU_MANAGEMENT=y
-CONFIG_CMD_PASSWD=y
-CONFIG_CMD_READLINE=y
-CONFIG_CMD_TIMEOUT=y
-CONFIG_CMD_CLK=y
-CONFIG_CMD_OFTREE=y
-CONFIG_NET=y
-CONFIG_NET_NFS=y
-CONFIG_NET_NETCONSOLE=y
-CONFIG_NET_RESOLV=y
-CONFIG_SERIAL_AMBA_PL011=y
-CONFIG_DRIVER_NET_SMC91111=y
-# CONFIG_SPI is not set
-CONFIG_FS_TFTP=y
-CONFIG_DIGEST_SHA1_GENERIC=y
-CONFIG_DIGEST_SHA256_GENERIC=y
diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig
index 94fe1eaa72b1..e31da4a8c668 100644
--- a/arch/arm/configs/vexpress_defconfig
+++ b/arch/arm/configs/vexpress_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARCH_VEXPRESS=y
 CONFIG_AEABI=y
 CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_MALLOC_SIZE=0x0
 CONFIG_MALLOC_TLSF=y
 CONFIG_PROMPT="vexpress: "
 CONFIG_GLOB=y
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index bf1dd5a79150..1d5e293602f6 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -2,13 +2,14 @@ if ARCH_VEXPRESS
 
 config ARCH_TEXT_BASE
 	hex
-	default 0x83f00000
+	default 0x0
 
 choice
 	prompt "ARM Board type"
 
 config MACH_VEXPRESS
 	bool "ARM Vexpress"
+	select RELOCATABLE
 
 endchoice
 
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 02/12] of: populate clock providers before other devices
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
  2017-09-15  8:39 ` [PATCH 01/12] ARM: vexpress: always build relocatable image Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 03/12] clk: versatile: add basic clocks Lucas Stach
                   ` (9 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

Clocks are a basic resource, which may be needed early by other
devices or even the bus driver (as is the case with the ARM AMBA
bus). Register them before populating other devices.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/of/base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 95bea4ee836d..fb4d2c03946e 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1938,8 +1938,8 @@ int of_probe(void)
 	if (memory)
 		of_add_memory(memory, false);
 
-	of_platform_populate(root_node, of_default_bus_match_table, NULL);
 	of_clk_init(root_node, NULL);
+	of_platform_populate(root_node, of_default_bus_match_table, NULL);
 
 	return 0;
 }
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 03/12] clk: versatile: add basic clocks
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
  2017-09-15  8:39 ` [PATCH 01/12] ARM: vexpress: always build relocatable image Lucas Stach
  2017-09-15  8:39 ` [PATCH 02/12] of: populate clock providers before other devices Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-16 13:34   ` Sam Ravnborg
  2017-09-15  8:39 ` [PATCH 04/12] clocksource: sp804: silently ignore secondary instaces Lucas Stach
                   ` (8 subsequent siblings)
  11 siblings, 1 reply; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

This adds the necessary basic clocks used on the ARM versatile
platforms.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/clk/Makefile                    |   1 +
 drivers/clk/vexpress/Makefile           |   1 +
 drivers/clk/vexpress/clk-sp810.c        | 137 ++++++++++++++++++++++++++++++++
 drivers/clk/vexpress/clk-vexpress-osc.c |  42 ++++++++++
 4 files changed, 181 insertions(+)
 create mode 100644 drivers/clk/vexpress/Makefile
 create mode 100644 drivers/clk/vexpress/clk-sp810.c
 create mode 100644 drivers/clk/vexpress/clk-vexpress-osc.c

diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index b5abe1cdf5db..a36a8db03bdb 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_CLK_SOCFPGA)	+= socfpga/
 obj-$(CONFIG_MACH_MIPS_ATH79)	+= clk-ar933x.o
 obj-$(CONFIG_ARCH_IMX)		+= imx/
 obj-$(CONFIG_COMMON_CLK_AT91)	+= at91/
+obj-$(CONFIG_MACH_VEXPRESS)	+= vexpress/
diff --git a/drivers/clk/vexpress/Makefile b/drivers/clk/vexpress/Makefile
new file mode 100644
index 000000000000..c6869bac8365
--- /dev/null
+++ b/drivers/clk/vexpress/Makefile
@@ -0,0 +1 @@
+obj-y	+= clk-vexpress-osc.o clk-sp810.o
diff --git a/drivers/clk/vexpress/clk-sp810.c b/drivers/clk/vexpress/clk-sp810.c
new file mode 100644
index 000000000000..dc57b74e0848
--- /dev/null
+++ b/drivers/clk/vexpress/clk-sp810.c
@@ -0,0 +1,137 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2013 ARM Limited
+ */
+
+//#include <linux/amba/sp810.h>
+#include <common.h>
+#include <io.h>
+#include <malloc.h>
+#include <of_address.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+/* sysctl registers offset */
+#define SCCTRL			0x000
+#define SCCTRL_TIMERENnSEL_SHIFT(n)	(15 + ((n) * 2))
+
+struct clk_sp810;
+
+struct clk_sp810_timerclken {
+	struct clk hw;
+	struct clk_sp810 *sp810;
+	int channel;
+};
+
+static inline struct clk_sp810_timerclken *
+to_clk_sp810_timerclken(struct clk *clk)
+{
+	return container_of(clk, struct clk_sp810_timerclken, hw);
+}
+
+struct clk_sp810 {
+	struct device_node *node;
+	void __iomem *base;
+	struct clk_sp810_timerclken timerclken[4];
+};
+
+static int clk_sp810_timerclken_get_parent(struct clk *hw)
+{
+	struct clk_sp810_timerclken *timerclken = to_clk_sp810_timerclken(hw);
+	u32 val = readl(timerclken->sp810->base + SCCTRL);
+
+	return !!(val & (1 << SCCTRL_TIMERENnSEL_SHIFT(timerclken->channel)));
+}
+
+static int clk_sp810_timerclken_set_parent(struct clk *hw, u8 index)
+{
+	struct clk_sp810_timerclken *timerclken = to_clk_sp810_timerclken(hw);
+	struct clk_sp810 *sp810 = timerclken->sp810;
+	u32 val, shift = SCCTRL_TIMERENnSEL_SHIFT(timerclken->channel);
+
+	if (WARN_ON(index > 1))
+		return -EINVAL;
+
+	val = readl(sp810->base + SCCTRL);
+	val &= ~(1 << shift);
+	val |= index << shift;
+	writel(val, sp810->base + SCCTRL);
+
+	return 0;
+}
+
+static const struct clk_ops clk_sp810_timerclken_ops = {
+	.get_parent = clk_sp810_timerclken_get_parent,
+	.set_parent = clk_sp810_timerclken_set_parent,
+};
+
+static struct clk *clk_sp810_timerclken_of_get(struct of_phandle_args *clkspec,
+		void *data)
+{
+	struct clk_sp810 *sp810 = data;
+
+	if (WARN_ON(clkspec->args_count != 1 ||
+		    clkspec->args[0] >=	ARRAY_SIZE(sp810->timerclken)))
+		return NULL;
+
+	return &sp810->timerclken[clkspec->args[0]].hw;
+}
+
+static void clk_sp810_of_setup(struct device_node *node)
+{
+	struct clk_sp810 *sp810 = xzalloc(sizeof(*sp810));
+	const char *parent_names[2];
+	int num = ARRAY_SIZE(parent_names);
+	char name[12];
+	static int instance;
+	int i;
+	bool deprecated;
+
+	if (!sp810)
+		return;
+
+	if (of_clk_parent_fill(node, parent_names, num) != num) {
+		pr_warn("Failed to obtain parent clocks for SP810!\n");
+		kfree(sp810);
+		return;
+	}
+
+	sp810->node = node;
+	sp810->base = of_iomap(node, 0);
+
+	deprecated = !of_find_property(node, "assigned-clock-parents", NULL);
+
+	for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) {
+		snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);
+
+		sp810->timerclken[i].sp810 = sp810;
+		sp810->timerclken[i].channel = i;
+		sp810->timerclken[i].hw.name = strdup(name);
+		sp810->timerclken[i].hw.parent_names = parent_names;
+		sp810->timerclken[i].hw.num_parents = num;
+		sp810->timerclken[i].hw.ops = &clk_sp810_timerclken_ops;
+
+		/*
+		 * If DT isn't setting the parent, force it to be
+		 * the 1 MHz clock without going through the framework.
+		 * We do this before clk_register() so that it can determine
+		 * the parent and setup the tree properly.
+		 */
+		if (deprecated)
+			clk_sp810_timerclken_set_parent(&sp810->timerclken[i].hw, 1);
+
+		clk_register(&sp810->timerclken[i].hw);
+	}
+
+	of_clk_add_provider(node, clk_sp810_timerclken_of_get, sp810);
+	instance++;
+}
+CLK_OF_DECLARE(sp810, "arm,sp810", clk_sp810_of_setup);
diff --git a/drivers/clk/vexpress/clk-vexpress-osc.c b/drivers/clk/vexpress/clk-vexpress-osc.c
new file mode 100644
index 000000000000..c0d6e6066ecd
--- /dev/null
+++ b/drivers/clk/vexpress/clk-vexpress-osc.c
@@ -0,0 +1,42 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+/*
+ * This represents the vexpress-osc as a fixed clock, which isn't really
+ * accurate, as this clock allows rate changes in real implementations. As those
+ * would need access to the config bus, a whole lot more infrastructure would be
+ * needed. We skip this complication for now, as we don't have a use-case, yet.
+ */
+static int vexpress_osc_setup(struct device_node *node)
+{
+	struct clk *clk;
+	u32 range[2];
+	const char *name;
+
+	if (of_property_read_u32_array(node, "freq-range", range,
+				       ARRAY_SIZE(range)))
+		return -EINVAL;
+
+	if (of_property_read_string(node, "clock-output-names", &name))
+		return -EINVAL;
+
+	clk = clk_fixed(name, range[0]);
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
+
+	return of_clk_add_provider(node, of_clk_src_simple_get, clk);
+}
+CLK_OF_DECLARE(vexpress_osc, "arm,vexpress-osc", vexpress_osc_setup);
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 04/12] clocksource: sp804: silently ignore secondary instaces
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (2 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 03/12] clk: versatile: add basic clocks Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 05/12] mci: mmci: add DT support Lucas Stach
                   ` (7 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

When probing from an upstream DT, we don't always have influence on
how many timer instances are enabled. Just use the first one and
silently skip the other instances.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/clocksource/amba-sp804.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/amba-sp804.c b/drivers/clocksource/amba-sp804.c
index c5ad9947cd96..66e3988b4cf8 100644
--- a/drivers/clocksource/amba-sp804.c
+++ b/drivers/clocksource/amba-sp804.c
@@ -35,8 +35,8 @@ static int sp804_probe(struct amba_device *dev, const struct amba_id *id)
 	int ret;
 
 	if (sp804_base) {
-		dev_err(&dev->dev, "single instance driver\n");
-		return -EBUSY;
+		dev_dbg(&dev->dev, "skipping secondary instance\n");
+		return 0;
 	}
 
 	sp804_clk = clk_get(&dev->dev, NULL);
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 05/12] mci: mmci: add DT support
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (3 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 04/12] clocksource: sp804: silently ignore secondary instaces Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-16 13:37   ` Sam Ravnborg
  2017-09-15  8:39 ` [PATCH 06/12] ARM: vexpress: switch to DT probe and multi-image build Lucas Stach
                   ` (6 subsequent siblings)
  11 siblings, 1 reply; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

Just adds the minimal implementation to fill platform_data from
the DT properties with Linux binding.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/mci/mmci.c | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/drivers/mci/mmci.c b/drivers/mci/mmci.c
index 7489ee03a13c..f45557d4f7be 100644
--- a/drivers/mci/mmci.c
+++ b/drivers/mci/mmci.c
@@ -532,9 +532,37 @@ static void mci_set_ios(struct mci_host *mci, struct mci_ios *ios)
 	udelay(CLK_CHANGE_DELAY);
 }
 
+static int mmci_of_parse(struct device_node *np,
+			 struct mmci_platform_data *plat)
+{
+	if (!IS_ENABLED(CONFIG_OFDEVICE))
+		return 0;
+
+	if (of_get_property(np, "st,sig-dir-dat0", NULL))
+		plat->sigdir |= MCI_ST_DATA0DIREN;
+	if (of_get_property(np, "st,sig-dir-dat2", NULL))
+		plat->sigdir |= MCI_ST_DATA2DIREN;
+	if (of_get_property(np, "st,sig-dir-dat31", NULL))
+		plat->sigdir |= MCI_ST_DATA31DIREN;
+	if (of_get_property(np, "st,sig-dir-dat74", NULL))
+		plat->sigdir |= MCI_ST_DATA74DIREN;
+	if (of_get_property(np, "st,sig-dir-cmd", NULL))
+		plat->sigdir |= MCI_ST_CMDDIREN;
+	if (of_get_property(np, "st,sig-pin-fbclk", NULL))
+		plat->sigdir |= MCI_ST_FBCLKEN;
+
+	if (of_get_property(np, "mmc-cap-mmc-highspeed", NULL))
+		plat->capabilities |= MMC_CAP_MMC_HIGHSPEED;
+	if (of_get_property(np, "mmc-cap-sd-highspeed", NULL))
+		plat->capabilities |= MMC_CAP_SD_HIGHSPEED;
+
+	return 0;
+}
+
 static int mmci_probe(struct amba_device *dev, const struct amba_id *id)
 {
 	struct device_d *hw_dev = &dev->dev;
+	struct device_node *np = hw_dev->device_node;
 	struct mmci_platform_data *plat = hw_dev->platform_data;
 	struct variant_data *variant = id->data;
 	u32 sdi_u32;
@@ -542,11 +570,16 @@ static int mmci_probe(struct amba_device *dev, const struct amba_id *id)
 	struct clk *clk;
 	int ret;
 
-	if (!plat) {
-		dev_err(hw_dev, "missing platform data\n");
+	if (!plat && !np) {
+		dev_err(hw_dev, "missing platform data or DT node\n");
 		return -EINVAL;
 	}
 
+	if (!plat)
+		plat = xzalloc(sizeof(*plat));
+
+	mmci_of_parse(np, plat);
+
 	host = xzalloc(sizeof(*host));
 
 	host->base = amba_get_mem_region(dev);
@@ -625,7 +658,7 @@ static int mmci_probe(struct amba_device *dev, const struct amba_id *id)
 	host->mci.max_req_size = (1 << variant->datalength_bits) - 1;
 
 	host->mci.host_caps = plat->capabilities;
-	host->mci.voltages = plat->ocr_mask;
+	host->mci.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | plat->ocr_mask;
 
 	mci_register(&host->mci);
 
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 06/12] ARM: vexpress: switch to DT probe and multi-image build
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (4 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 05/12] mci: mmci: add DT support Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 07/12] ARM: vexpress: regenerate config Lucas Stach
                   ` (5 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

This switches the VExpress support to use an internal DT, instead
of probing the peripherals from a board file. It also switches to
a multi-iamge build with both CA9 and CA15 variants of the VExpress
board being supported.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/boards/vexpress/Makefile                  |   2 -
 .../arm/boards/vexpress/defaultenv-vexpress/config |  38 -------
 arch/arm/boards/vexpress/init.c                    | 115 +--------------------
 arch/arm/boards/vexpress/lowlevel.c                |  20 +++-
 arch/arm/dts/Makefile                              |   2 +
 arch/arm/dts/vexpress-v2p-ca15.dts                 |  27 +++++
 arch/arm/dts/vexpress-v2p-ca9.dts                  |  27 +++++
 arch/arm/mach-vexpress/Kconfig                     |   4 +
 arch/arm/mach-vexpress/Makefile                    |   1 -
 arch/arm/mach-vexpress/devices.c                   |  83 ---------------
 arch/arm/mach-vexpress/include/mach/devices.h      |   9 --
 arch/arm/mach-vexpress/v2m.c                       |  38 -------
 images/Makefile                                    |   1 +
 images/Makefile.vexpress                           |  11 ++
 14 files changed, 93 insertions(+), 285 deletions(-)
 delete mode 100644 arch/arm/boards/vexpress/defaultenv-vexpress/config
 create mode 100644 arch/arm/dts/vexpress-v2p-ca15.dts
 create mode 100644 arch/arm/dts/vexpress-v2p-ca9.dts
 delete mode 100644 arch/arm/mach-vexpress/devices.c
 create mode 100644 images/Makefile.vexpress

diff --git a/arch/arm/boards/vexpress/Makefile b/arch/arm/boards/vexpress/Makefile
index c89d7bf182d0..2da0494d49b3 100644
--- a/arch/arm/boards/vexpress/Makefile
+++ b/arch/arm/boards/vexpress/Makefile
@@ -1,4 +1,2 @@
 obj-y += init.o
-
 lwl-y += lowlevel.o
-bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-vexpress
diff --git a/arch/arm/boards/vexpress/defaultenv-vexpress/config b/arch/arm/boards/vexpress/defaultenv-vexpress/config
deleted file mode 100644
index 6c0abda40c12..000000000000
--- a/arch/arm/boards/vexpress/defaultenv-vexpress/config
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/sh
-
-# use 'dhcp' to do dhcp in barebox and in kernel
-# use 'none' if you want to skip kernel ip autoconfiguration
-ip=dhcp
-global.dhcp.vendor_id=barebox-${global.hostname}
-
-# or set your networking parameters here
-#eth0.ipaddr=a.b.c.d
-#eth0.netmask=a.b.c.d
-#eth0.gateway=a.b.c.d
-#eth0.serverip=a.b.c.d
-
-# can be either 'nfs', 'tftp' or 'nor'
-kernel_loc=tftp
-# can be either 'net', 'nor' or 'initrd'
-rootfs_loc=initrd
-
-# can be either 'jffs2' or 'ubifs'
-rootfs_type=ubifs
-rootfsimage=root.$rootfs_type
-
-kernelimage=zImage
-#kernelimage=uImage
-#kernelimage=Image
-#kernelimage=Image.lzo
-
-nfsroot="$eth0.serverip:/opt/work/busybox/arm9/rootfs_arm"
-
-nor_parts="256k(barebox)ro,64k(bareboxenv),1536k(kernel),-(root)"
-rootfs_mtdblock_nor=3
-
-autoboot_timeout=3
-
-bootargs="console=ttyAMA0,115200n8 CONSOLE=/dev/ttyAMA0"
-
-# set a fancy prompt (if support is compiled in)
-PS1="\e[1;31m[barebox@\h]:\w\e[0m\n# "
diff --git a/arch/arm/boards/vexpress/init.c b/arch/arm/boards/vexpress/init.c
index f89dff939231..1bbc8c347638 100644
--- a/arch/arm/boards/vexpress/init.c
+++ b/arch/arm/boards/vexpress/init.c
@@ -11,129 +11,23 @@
 #include <generated/mach-types.h>
 #include <mach/devices.h>
 #include <environment.h>
-#include <partition.h>
 #include <linux/sizes.h>
 #include <io.h>
 #include <envfs.h>
 #include <globalvar.h>
 #include <linux/amba/sp804.h>
-#include <mci.h>
-
-struct vexpress_init {
-	void (*core_init)(void);
-	void (*mem_init)(void);
-	void (*console_init)(void);
-	void (*devices_init)(void);
-};
-
-struct mmci_platform_data mmci_plat = {
-	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,
-	.clkdiv_init	= SDI_CLKCR_CLKDIV_INIT,
-};
-
-struct vexpress_init *v2m_init;
-
-static void vexpress_ax_mem_init(void)
-{
-	vexpress_add_ddram(SZ_512M);
-}
 
 #define V2M_SYS_FLASH	0x03c
 
-static void vexpress_ax_devices_init(void)
-{
-	add_cfi_flash_device(0, 0x08000000, SZ_64M, 0);
-	add_cfi_flash_device(1, 0x0c000000, SZ_64M, 0);
-	vexpress_register_mmc(&mmci_plat);
-	add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x1a000000,
-			64 * 1024, IORESOURCE_MEM, NULL);
-}
-
-static void vexpress_ax_console_init(void)
-{
-	vexpress_register_uart(0);
-	vexpress_register_uart(1);
-	vexpress_register_uart(2);
-	vexpress_register_uart(3);
-}
-
-struct vexpress_init vexpress_init_ax = {
-	.core_init = vexpress_init,
-	.mem_init = vexpress_ax_mem_init,
-	.console_init = vexpress_ax_console_init,
-	.devices_init = vexpress_ax_devices_init,
-};
-
-static void vexpress_a9_legacy_mem_init(void)
-{
-	vexpress_a9_legacy_add_ddram(SZ_512M, SZ_512M);
-}
-
-static void vexpress_a9_legacy_devices_init(void)
-{
-	add_cfi_flash_device(0, 0x40000000, SZ_64M, 0);
-	add_cfi_flash_device(1, 0x44000000, SZ_64M, 0);
-	add_generic_device("smc911x", DEVICE_ID_DYNAMIC, NULL, 0x4e000000,
-			64 * 1024, IORESOURCE_MEM, NULL);
-	vexpress_a9_legacy_register_mmc(&mmci_plat);
-	armlinux_set_architecture(MACH_TYPE_VEXPRESS);
-}
-
-static void vexpress_a9_legacy_console_init(void)
-{
-	vexpress_a9_legacy_register_uart(0);
-	vexpress_a9_legacy_register_uart(1);
-	vexpress_a9_legacy_register_uart(2);
-	vexpress_a9_legacy_register_uart(3);
-}
-
-struct vexpress_init vexpress_init_a9_legacy = {
-	.core_init = vexpress_a9_legacy_init,
-	.mem_init = vexpress_a9_legacy_mem_init,
-	.console_init = vexpress_a9_legacy_console_init,
-	.devices_init = vexpress_a9_legacy_devices_init,
-};
-
-static int vexpress_mem_init(void)
-{
-	v2m_init->mem_init();
-
-	return 0;
-}
-mem_initcall(vexpress_mem_init);
-
-static int vexpress_devices_init(void)
-{
-	writel(1, v2m_sysreg_base + V2M_SYS_FLASH);
-	v2m_init->devices_init();
-
-	devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
-	devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");
-
-	if (IS_ENABLED(CONFIG_DEFAULT_ENVIRONMENT_GENERIC))
-		defaultenv_append_directory(defaultenv_vexpress);
-
-	return 0;
-}
-device_initcall(vexpress_devices_init);
-
-static int vexpress_console_init(void)
-{
-	v2m_init->console_init();
-
-	return 0;
-}
-console_initcall(vexpress_console_init);
-
 static int vexpress_core_init(void)
 {
 	char *hostname = "vexpress-unknown";
 
 	if (amba_is_arm_sp804(IOMEM(0x10011000))) {
-		v2m_init = &vexpress_init_a9_legacy;
+		vexpress_a9_legacy_init();
 		hostname = "vexpress-a9-legacy";
 	} else {
-		v2m_init = &vexpress_init_ax;
+		vexpress_init();
 		if (cpu_is_cortex_a5())
 			hostname = "vexpress-a5";
 		else if (cpu_is_cortex_a7())
@@ -144,10 +38,9 @@ static int vexpress_core_init(void)
 			hostname = "vexpress-a15";
 	}
 
-	barebox_set_model("ARM Vexpress");
-	barebox_set_hostname(hostname);
+	writel(1, v2m_sysreg_base + V2M_SYS_FLASH);
 
-	v2m_init->core_init();
+	barebox_set_hostname(hostname);
 
 	return 0;
 }
diff --git a/arch/arm/boards/vexpress/lowlevel.c b/arch/arm/boards/vexpress/lowlevel.c
index 204d29d8f098..0a226b295c2a 100644
--- a/arch/arm/boards/vexpress/lowlevel.c
+++ b/arch/arm/boards/vexpress/lowlevel.c
@@ -11,12 +11,26 @@
 #include <asm/system_info.h>
 #include <linux/amba/sp804.h>
 
-void __naked barebox_arm_reset_vector(void)
+static inline void start_vexpress_common(void *internal_dt)
 {
+	void *fdt = internal_dt - get_runtime_offset();
+
 	arm_cpu_lowlevel_init();
 
 	if (amba_is_arm_sp804(IOMEM(0x10011000)))
-		barebox_arm_entry(0x60000000, SZ_512M, NULL);
+		barebox_arm_entry(0x60000000, SZ_512M, fdt);
 	else
-		barebox_arm_entry(0x80000000, SZ_512M, NULL);
+		barebox_arm_entry(0x80000000, SZ_512M, fdt);
+}
+
+extern char __dtb_vexpress_v2p_ca9_start[];
+ENTRY_FUNCTION(start_vexpress_ca9, r0, r1, r2)
+{
+	start_vexpress_common(__dtb_vexpress_v2p_ca9_start);
+}
+
+extern char __dtb_vexpress_v2p_ca15_start[];
+ENTRY_FUNCTION(start_vexpress_ca15, r0, r1, r2)
+{
+	start_vexpress_common(__dtb_vexpress_v2p_ca15_start);
 }
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index cf9d8ea9402a..b5601a61c56d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -91,6 +91,8 @@ pbl-dtb-$(CONFIG_MACH_TURRIS_OMNIA) += armada-385-turris-omnia-bb.dtb.o
 pbl-dtb-$(CONFIG_MACH_UDOO) += imx6q-udoo.dtb.o
 pbl-dtb-$(CONFIG_MACH_USI_TOPKICK) += kirkwood-topkick-bb.dtb.o
 pbl-dtb-$(CONFIG_MACH_VARISCITE_MX6) += imx6q-var-custom.dtb.o
+pbl-dtb-$(CONFIG_MACH_VEXPRESS) += vexpress-v2p-ca9.dtb.o
+pbl-dtb-$(CONFIG_MACH_VEXPRESS) += vexpress-v2p-ca15.dtb.o
 pbl-dtb-$(CONFIG_MACH_VSCOM_BALTOS) += am335x-baltos-minimal.dtb.o
 pbl-dtb-$(CONFIG_MACH_WARP7) += imx7s-warp.dtb.o
 pbl-dtb-$(CONFIG_MACH_VF610_TWR) += vf610-twr.dtb.o
diff --git a/arch/arm/dts/vexpress-v2p-ca15.dts b/arch/arm/dts/vexpress-v2p-ca15.dts
new file mode 100644
index 000000000000..211eaccb6238
--- /dev/null
+++ b/arch/arm/dts/vexpress-v2p-ca15.dts
@@ -0,0 +1,27 @@
+#include <arm/vexpress-v2p-ca15_a7.dts>
+
+/ {
+	barebox_environment {
+		compatible = "barebox,environment";
+		device-path = &barebox_env;
+	};
+
+	smb@8000000 {
+		motherboard {
+			flash@0,00000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				partition@0 {
+					label = "barebox";
+					reg = <0x0 0x80000>;
+				};
+
+				barebox_env: partition@80000 {
+					label = "barebox-environment";
+					reg = <0x80000 0x80000>;
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/dts/vexpress-v2p-ca9.dts b/arch/arm/dts/vexpress-v2p-ca9.dts
new file mode 100644
index 000000000000..541840ae22dc
--- /dev/null
+++ b/arch/arm/dts/vexpress-v2p-ca9.dts
@@ -0,0 +1,27 @@
+#include <arm/vexpress-v2p-ca9.dts>
+
+/ {
+	barebox_environment {
+		compatible = "barebox,environment";
+		device-path = &barebox_env;
+	};
+
+	smb@4000000 {
+		motherboard {
+			flash@0,00000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				partition@0 {
+					label = "barebox";
+					reg = <0x0 0x80000>;
+				};
+
+				barebox_env: partition@80000 {
+					label = "barebox-environment";
+					reg = <0x80000 0x80000>;
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 1d5e293602f6..aaa535f073a5 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -10,6 +10,10 @@ choice
 config MACH_VEXPRESS
 	bool "ARM Vexpress"
 	select RELOCATABLE
+	select HAVE_PBL_MULTI_IMAGES
+	select OFTREE
+	select OFDEVICE
+	select COMMON_CLK_OF_PROVIDER
 
 endchoice
 
diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile
index 74b4a0feb2e2..9a06e648a6f1 100644
--- a/arch/arm/mach-vexpress/Makefile
+++ b/arch/arm/mach-vexpress/Makefile
@@ -1,3 +1,2 @@
 obj-y += v2m.o
-obj-y += devices.o
 obj-y += reset.o
diff --git a/arch/arm/mach-vexpress/devices.c b/arch/arm/mach-vexpress/devices.c
deleted file mode 100644
index 5b530119245d..000000000000
--- a/arch/arm/mach-vexpress/devices.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
- *
- * GPLv2 only
- */
-
-#include <common.h>
-
-#include <linux/amba/bus.h>
-
-#include <asm/memory.h>
-
-#include <mach/devices.h>
-
-void vexpress_a9_legacy_add_ddram(u32 ddr0_size, u32 ddr1_size)
-{
-	arm_add_mem_device("ram0", 0x60000000, ddr0_size);
-
-	if (ddr1_size)
-		arm_add_mem_device("ram1", 0x80000000, ddr1_size);
-}
-
-void vexpress_a9_legacy_register_uart(unsigned id)
-{
-	resource_size_t start;
-
-	switch (id) {
-	case 0:
-		start = 0x10009000;
-		break;
-	case 1:
-		start = 0x1000a000;
-		break;
-	case 2:
-		start = 0x1000b000;
-		break;
-	case 3:
-		start = 0x1000c000;
-		break;
-	default:
-		return;
-	}
-	amba_apb_device_add(NULL, "uart-pl011", id, start, 4096, NULL, 0);
-}
-
-void vexpress_a9_legacy_register_mmc(struct mmci_platform_data *plat)
-{
-	amba_apb_device_add(NULL, "mmci-pl18x", DEVICE_ID_SINGLE, 0x10005000,
-	4096, plat, 0);
-}
-
-void vexpress_add_ddram(u32 size)
-{
-	arm_add_mem_device("ram1", 0x80000000, size);
-}
-
-void vexpress_register_uart(unsigned id)
-{
-	resource_size_t start;
-
-	switch (id) {
-	case 0:
-		start = 0x1c090000;
-		break;
-	case 1:
-		start = 0x1c0a0000;
-		break;
-	case 2:
-		start = 0x1c0b0000;
-		break;
-	case 3:
-		start = 0x1c0c0000;
-		break;
-	default:
-		return;
-	}
-	amba_apb_device_add(NULL, "uart-pl011", id, start, 4096, NULL, 0);
-}
-
-void vexpress_register_mmc(struct mmci_platform_data *plat)
-{
-	amba_apb_device_add(NULL, "mmci-pl18x", DEVICE_ID_SINGLE, 0x1c050000, 4096, plat, 0);
-}
diff --git a/arch/arm/mach-vexpress/include/mach/devices.h b/arch/arm/mach-vexpress/include/mach/devices.h
index 96d14005017e..bef8c8b94fb9 100644
--- a/arch/arm/mach-vexpress/include/mach/devices.h
+++ b/arch/arm/mach-vexpress/include/mach/devices.h
@@ -9,18 +9,9 @@
 
 #include <linux/amba/mmci.h>
 
-void vexpress_a9_legacy_add_ddram(u32 ddr0_size, u32 ddr1_size);
-void vexpress_add_ddram(u32 size);
-
-void vexpress_a9_legacy_register_uart(unsigned id);
-void vexpress_register_uart(unsigned id);
-
 void vexpress_a9_legacy_init(void);
 void vexpress_init(void);
 
-void vexpress_a9_legacy_register_mmc(struct mmci_platform_data *plat);
-void vexpress_register_mmc(struct mmci_platform_data *plat);
-
 extern void *v2m_wdt_base;
 extern void *v2m_sysreg_base;
 
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 025bbb17fc6e..35352628482c 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -19,31 +19,6 @@
 
 void __iomem *v2m_sysreg_base;
 
-static const char *v2m_osc2_periphs[] = {
-	"mb:mmci",  "mmci-pl18x",	/* PL180 MMCI */
-	"mb:uart0", "uart-pl0110",	/* PL011 UART0 */
-	"mb:uart1", "uart-pl0111",	/* PL011 UART1 */
-	"mb:uart2", "uart-pl0112",	/* PL011 UART2 */
-	"mb:uart3", "uart-pl0113",	/* PL011 UART3 */
-};
-
-static void v2m_clk_init(void)
-{
-	struct clk *clk;
-	int i;
-
-	clk = clk_fixed("dummy_apb_pclk", 0);
-	clk_register_clkdev(clk, "apb_pclk", NULL);
-
-	clk = clk_fixed("mb:sp804_clk", 1000000);
-	clk_register_clkdev(clk, NULL, "sp804");
-
-	clk = clk_fixed("mb:osc2", 24000000);
-	for (i = 0; i < ARRAY_SIZE(v2m_osc2_periphs); i++)
-		clk_register_clkdev(clk, NULL, v2m_osc2_periphs[i]);
-
-}
-
 static void v2m_sysctl_init(void __iomem *base)
 {
 	u32 scctrl;
@@ -58,21 +33,11 @@ static void v2m_sysctl_init(void __iomem *base)
 	writel(scctrl, base + SCCTRL);
 }
 
-static void __init v2m_sp804_init(void __iomem *base)
-{
-	writel(0, base + TIMER_1_BASE + TIMER_CTRL);
-
-	amba_apb_device_add(NULL, "sp804", DEVICE_ID_SINGLE, (resource_size_t)base, 4096, NULL, 0);
-}
-
 void vexpress_a9_legacy_init(void)
 {
 	v2m_wdt_base = IOMEM(0x1000f000);
 	v2m_sysreg_base = IOMEM(0x10001000);
 	v2m_sysctl_init(IOMEM(0x10001000));
-	v2m_clk_init();
-
-	v2m_sp804_init(IOMEM(0x10011000));
 }
 
 void vexpress_init(void)
@@ -80,7 +45,4 @@ void vexpress_init(void)
 	v2m_wdt_base = IOMEM(0x1c0f0000);
 	v2m_sysreg_base = IOMEM(0x1c020000);
 	v2m_sysctl_init(IOMEM(0x1c020000));
-	v2m_clk_init();
-
-	v2m_sp804_init(IOMEM(0x1c110000));
 }
diff --git a/images/Makefile b/images/Makefile
index 705c8ad03eda..5c4d99ac5add 100644
--- a/images/Makefile
+++ b/images/Makefile
@@ -111,6 +111,7 @@ include $(srctree)/images/Makefile.omap3
 include $(srctree)/images/Makefile.rockchip
 include $(srctree)/images/Makefile.socfpga
 include $(srctree)/images/Makefile.tegra
+include $(srctree)/images/Makefile.vexpress
 include $(srctree)/images/Makefile.at91
 
 targets += $(image-y) pbl.lds barebox.x barebox.z
diff --git a/images/Makefile.vexpress b/images/Makefile.vexpress
new file mode 100644
index 000000000000..0f12dc12a534
--- /dev/null
+++ b/images/Makefile.vexpress
@@ -0,0 +1,11 @@
+#
+# barebox image generation Makefile for VExpress images
+#
+
+pblx-$(CONFIG_MACH_VEXPRESS) += start_vexpress_ca9
+FILE_barebox-vexpress-ca9.img = start_vexpress_ca9.pblx
+image-$(CONFIG_MACH_VEXPRESS) += barebox-vexpress-ca9.img
+
+pblx-$(CONFIG_MACH_VEXPRESS) += start_vexpress_ca15
+FILE_barebox-vexpress-ca15.img = start_vexpress_ca15.pblx
+image-$(CONFIG_MACH_VEXPRESS) += barebox-vexpress-ca15.img
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 07/12] ARM: vexpress: regenerate config
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (5 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 06/12] ARM: vexpress: switch to DT probe and multi-image build Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 08/12] docs: add qemu vexpress Lucas Stach
                   ` (4 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

Enable some more features, so the default configuration gets more
in line with other platforms.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/configs/vexpress_defconfig | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig
index e31da4a8c668..f6a57de75cd9 100644
--- a/arch/arm/configs/vexpress_defconfig
+++ b/arch/arm/configs/vexpress_defconfig
@@ -4,7 +4,6 @@ CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
 CONFIG_MALLOC_SIZE=0x0
 CONFIG_MALLOC_TLSF=y
 CONFIG_PROMPT="vexpress: "
-CONFIG_GLOB=y
 CONFIG_HUSH_FANCY_PROMPT=y
 CONFIG_CMDLINE_EDITING=y
 CONFIG_AUTO_COMPLETE=y
@@ -12,9 +11,10 @@ CONFIG_MENU=y
 CONFIG_BOOTM_SHOW_TYPE=y
 CONFIG_BOOTM_VERBOSE=y
 CONFIG_BOOTM_INITRD=y
-CONFIG_PARTITION=y
-CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y
+CONFIG_CMD_DMESG=y
 CONFIG_LONGHELP=y
+CONFIG_CMD_IOMEM=y
 CONFIG_CMD_MEMINFO=y
 # CONFIG_CMD_BOOTU is not set
 CONFIG_CMD_GO=y
@@ -38,15 +38,25 @@ CONFIG_CMD_MENU_MANAGEMENT=y
 CONFIG_CMD_PASSWD=y
 CONFIG_CMD_READLINE=y
 CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_CRC=y
+CONFIG_CMD_CRC_CMP=y
 CONFIG_CMD_CLK=y
+CONFIG_CMD_DETECT=y
 CONFIG_CMD_OFTREE=y
 CONFIG_NET=y
 CONFIG_NET_NFS=y
 CONFIG_NET_NETCONSOLE=y
 CONFIG_NET_RESOLV=y
+CONFIG_OF_BAREBOX_DRIVERS=y
 CONFIG_SERIAL_AMBA_PL011=y
 CONFIG_DRIVER_NET_SMC91111=y
 # CONFIG_SPI is not set
+CONFIG_MTD=y
+CONFIG_MTD_CONCAT=y
+CONFIG_DRIVER_CFI=y
+CONFIG_MCI=y
+CONFIG_MCI_MMCI=y
+# CONFIG_PINCTRL is not set
 CONFIG_FS_TFTP=y
 CONFIG_DIGEST_SHA1_GENERIC=y
 CONFIG_DIGEST_SHA256_GENERIC=y
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 08/12] docs: add qemu vexpress
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (6 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 07/12] ARM: vexpress: regenerate config Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 09/12] vexpress: use device tree provided by QEMU if available Lucas Stach
                   ` (3 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

Add a basic command line for QEMU vexpress.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 Documentation/boards/arm-qemu-vexpress.rst | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/boards/arm-qemu-vexpress.rst

diff --git a/Documentation/boards/arm-qemu-vexpress.rst b/Documentation/boards/arm-qemu-vexpress.rst
new file mode 100644
index 000000000000..dcbac8e62557
--- /dev/null
+++ b/Documentation/boards/arm-qemu-vexpress.rst
@@ -0,0 +1,20 @@
+QEMU vexpress
+=======
+
+ARM Qemu vexpress
+-----------------
+
+Running barebox on QEMU vexpress machine
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Usage::
+
+	$ qemu-system-arm -m 1024M \
+		-machine vexpress-a9 -cpu cortex-a9 \
+		-nographic -no-reboot \
+		-kernel images/barebox-vexpress-ca9.img
+
+	$ qemu-system-arm -m 1024M \
+		-machine vexpress-a15 -cpu cortex-a15 \
+		-nographic -no-reboot \
+		-kernel images/barebox-vexpress-ca15.img
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 09/12] vexpress: use device tree provided by QEMU if available
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (7 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 08/12] docs: add qemu vexpress Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 10/12] vexpress: add bootstate node to the device tree Lucas Stach
                   ` (2 subsequent siblings)
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

From: Michael Olbrich <m.olbrich@pengutronix.de>

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/boards/vexpress/lowlevel.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boards/vexpress/lowlevel.c b/arch/arm/boards/vexpress/lowlevel.c
index 0a226b295c2a..9fe7c836b7b6 100644
--- a/arch/arm/boards/vexpress/lowlevel.c
+++ b/arch/arm/boards/vexpress/lowlevel.c
@@ -9,18 +9,34 @@
 #include <asm/barebox-arm-head.h>
 #include <asm/barebox-arm.h>
 #include <asm/system_info.h>
+#include <asm/unaligned.h>
 #include <linux/amba/sp804.h>
 
 static inline void start_vexpress_common(void *internal_dt)
 {
 	void *fdt = internal_dt - get_runtime_offset();
+	unsigned long membase, memsize = SZ_512M;
 
 	arm_cpu_lowlevel_init();
 
 	if (amba_is_arm_sp804(IOMEM(0x10011000)))
-		barebox_arm_entry(0x60000000, SZ_512M, fdt);
+		membase = 0x60000000;
 	else
-		barebox_arm_entry(0x80000000, SZ_512M, fdt);
+		membase = 0x80000000;
+
+	/* QEMU may put a DTB at the start of RAM */
+	if (IS_ENABLED(CONFIG_OFDEVICE) &&
+	    get_unaligned_be32((void*)membase) == FDT_MAGIC) {
+		fdt = (void*)membase;
+		/*
+		 * Need to move membase a bit as the PBL wants to relocate
+		 * to the start of RAM, which would overwrite the DTB.
+		 */
+		membase += SZ_4M;
+		memsize -= SZ_4M;
+	}
+
+	barebox_arm_entry(membase, memsize, fdt);
 }
 
 extern char __dtb_vexpress_v2p_ca9_start[];
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 10/12] vexpress: add bootstate node to the device tree
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (8 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 09/12] vexpress: use device tree provided by QEMU if available Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-15  8:39 ` [PATCH 11/12] of: base: add funtion to copy a device tree node Lucas Stach
  2017-09-15  8:39 ` [PATCH 12/12] ARM: vexpress: add fixup handler for 'virtio, mmio' devices Lucas Stach
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

From: Michael Olbrich <m.olbrich@pengutronix.de>

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/dts/vexpress-v2p-ca9.dts | 63 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm/dts/vexpress-v2p-ca9.dts b/arch/arm/dts/vexpress-v2p-ca9.dts
index 541840ae22dc..d0975330f205 100644
--- a/arch/arm/dts/vexpress-v2p-ca9.dts
+++ b/arch/arm/dts/vexpress-v2p-ca9.dts
@@ -6,6 +6,10 @@
 		device-path = &barebox_env;
 	};
 
+	aliases {
+		state = &state;
+	};
+
 	smb@4000000 {
 		motherboard {
 			flash@0,00000000 {
@@ -21,6 +25,65 @@
 					label = "barebox-environment";
 					reg = <0x80000 0x80000>;
 				};
+
+				state_storage: partition@100000 {
+					label = "barebox-state";
+					reg = <0x100000 0x100000>;
+				};
+			};
+		};
+	};
+
+	/* State: mutable part */
+	state: state {
+		magic = <0x4d433230>;
+		compatible = "barebox,state";
+		backend-type = "raw";
+		backend = <&state_storage>;
+		backend-stridesize = <0x40>;
+		backend-storage-type = "circular";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		bootstate {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			system0 { /* the node's name here must match the subnode's name in the 'bootstate' node */
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				remaining_attempts@0 {
+					reg = <0x0 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@4 {
+					reg = <0x4 0x4>;
+					type = "uint32";
+					default = <20>;
+				};
+			};
+
+			system1 { /* the node's name here must match the subnode's name in the 'bootstate' node */
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				remaining_attempts@8 {
+					reg = <0x8 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@c {
+					reg = <0xC 0x4>;
+					type = "uint32";
+					default = <20>;
+				};
+			};
+
+			last_chosen@10 {
+				reg = <0x10 0x4>;
+				type = "uint32";
 			};
 		};
 	};
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 11/12] of: base: add funtion to copy a device tree node
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (9 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 10/12] vexpress: add bootstate node to the device tree Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  2017-09-20  6:20   ` Sascha Hauer
  2017-09-15  8:39 ` [PATCH 12/12] ARM: vexpress: add fixup handler for 'virtio, mmio' devices Lucas Stach
  11 siblings, 1 reply; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

From: Michael Olbrich <m.olbrich@pengutronix.de>

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 drivers/of/base.c | 16 ++++++++++++++++
 include/of.h      |  8 ++++++++
 2 files changed, 24 insertions(+)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index fb4d2c03946e..3ca13ae44e5c 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1988,6 +1988,22 @@ out:
 	return dn;
 }
 
+struct device_node *of_copy_node(struct device_node *parent, const struct device_node *other)
+{
+	struct device_node *np, *child;
+	struct property *pp;
+
+	np = of_new_node(parent, other->name);
+
+	list_for_each_entry(pp, &other->properties, list)
+		of_new_property(np, pp->name, pp->value, pp->length);
+
+	for_each_child_of_node(other, child)
+		of_copy_node(np, child);
+
+	return np;
+}
+
 void of_delete_node(struct device_node *node)
 {
 	struct device_node *n, *nt;
diff --git a/include/of.h b/include/of.h
index 9ba771a395b8..c21a1e95dda8 100644
--- a/include/of.h
+++ b/include/of.h
@@ -144,6 +144,8 @@ extern struct device_node *of_new_node(struct device_node *parent,
 				const char *name);
 extern struct device_node *of_create_node(struct device_node *root,
 					const char *path);
+extern struct device_node *of_copy_node(struct device_node *parent,
+				const struct device_node *other);
 extern void of_delete_node(struct device_node *node);
 
 extern int of_machine_is_compatible(const char *compat);
@@ -576,6 +578,12 @@ static inline struct device_node *of_create_node(struct device_node *root,
 	return NULL;
 }
 
+static inline struct device_node *of_copy_node(struct device_node *parent,
+					       const struct device_node *other)
+{
+	return NULL;
+}
+
 static inline void of_delete_node(struct device_node *node)
 {
 }
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* [PATCH 12/12] ARM: vexpress: add fixup handler for 'virtio, mmio' devices
  2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
                   ` (10 preceding siblings ...)
  2017-09-15  8:39 ` [PATCH 11/12] of: base: add funtion to copy a device tree node Lucas Stach
@ 2017-09-15  8:39 ` Lucas Stach
  11 siblings, 0 replies; 16+ messages in thread
From: Lucas Stach @ 2017-09-15  8:39 UTC (permalink / raw)
  To: barebox

From: Michael Olbrich <m.olbrich@pengutronix.de>

Qemu adds 'virtio,mmio' nodes to the device tree. Before passing it to the
bootloader or the Linux kernel. This fixup handler copies these nodes to
the new device tree.

v2:
- move from general to platform specific init

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 arch/arm/boards/vexpress/init.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boards/vexpress/init.c b/arch/arm/boards/vexpress/init.c
index 1bbc8c347638..946385393f44 100644
--- a/arch/arm/boards/vexpress/init.c
+++ b/arch/arm/boards/vexpress/init.c
@@ -45,3 +45,32 @@ static int vexpress_core_init(void)
 	return 0;
 }
 postcore_initcall(vexpress_core_init);
+
+static int of_fixup_virtio_mmio(struct device_node *root, void *unused)
+{
+	struct device_node *barebox_root, *np, *parent;
+
+	barebox_root = of_get_root_node();
+	if (root == barebox_root)
+		return 0;
+
+	for_each_compatible_node_from(np, barebox_root, NULL, "virtio,mmio") {
+		if (of_get_parent(np) == barebox_root)
+			parent = root;
+		else
+			parent = of_find_node_by_path_from(root,
+							   of_get_parent(np)->full_name);
+		if (!parent)
+			return -EINVAL;
+
+		of_copy_node(parent, np);
+	}
+
+	return 0;
+}
+
+static int of_register_virtio_mmio_fixup(void)
+{
+	return of_register_fixup(of_fixup_virtio_mmio, NULL);
+}
+late_initcall(of_register_virtio_mmio_fixup);
-- 
2.11.0


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^ permalink raw reply	[flat|nested] 16+ messages in thread

* Re: [PATCH 03/12] clk: versatile: add basic clocks
  2017-09-15  8:39 ` [PATCH 03/12] clk: versatile: add basic clocks Lucas Stach
@ 2017-09-16 13:34   ` Sam Ravnborg
  0 siblings, 0 replies; 16+ messages in thread
From: Sam Ravnborg @ 2017-09-16 13:34 UTC (permalink / raw)
  To: Lucas Stach; +Cc: barebox

Hi Lucas.

On Fri, Sep 15, 2017 at 10:39:13AM +0200, Lucas Stach wrote:
> This adds the necessary basic clocks used on the ARM versatile
> platforms.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> + *
> + * Copyright (C) 2013 ARM Limited
> + */
> +
> +//#include <linux/amba/sp810.h>

Looks like a leftover of some sort.



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^ permalink raw reply	[flat|nested] 16+ messages in thread

* Re: [PATCH 05/12] mci: mmci: add DT support
  2017-09-15  8:39 ` [PATCH 05/12] mci: mmci: add DT support Lucas Stach
@ 2017-09-16 13:37   ` Sam Ravnborg
  0 siblings, 0 replies; 16+ messages in thread
From: Sam Ravnborg @ 2017-09-16 13:37 UTC (permalink / raw)
  To: Lucas Stach; +Cc: barebox

Hi Lucas.

On Fri, Sep 15, 2017 at 10:39:15AM +0200, Lucas Stach wrote:
> Just adds the minimal implementation to fill platform_data from
> the DT properties with Linux binding.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---


> @@ -625,7 +658,7 @@ static int mmci_probe(struct amba_device *dev, const struct amba_id *id)
>  	host->mci.max_req_size = (1 << variant->datalength_bits) - 1;
>  
>  	host->mci.host_caps = plat->capabilities;
> -	host->mci.voltages = plat->ocr_mask;
> +	host->mci.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | plat->ocr_mask;

This change is not justified in the changelog?!?


	Sam

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^ permalink raw reply	[flat|nested] 16+ messages in thread

* Re: [PATCH 11/12] of: base: add funtion to copy a device tree node
  2017-09-15  8:39 ` [PATCH 11/12] of: base: add funtion to copy a device tree node Lucas Stach
@ 2017-09-20  6:20   ` Sascha Hauer
  0 siblings, 0 replies; 16+ messages in thread
From: Sascha Hauer @ 2017-09-20  6:20 UTC (permalink / raw)
  To: Lucas Stach; +Cc: barebox

In the subject:

s/funtion/function/

Sascha

On Fri, Sep 15, 2017 at 10:39:21AM +0200, Lucas Stach wrote:
> From: Michael Olbrich <m.olbrich@pengutronix.de>
> 
> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
>  drivers/of/base.c | 16 ++++++++++++++++
>  include/of.h      |  8 ++++++++
>  2 files changed, 24 insertions(+)
> 
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index fb4d2c03946e..3ca13ae44e5c 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -1988,6 +1988,22 @@ out:
>  	return dn;
>  }
>  
> +struct device_node *of_copy_node(struct device_node *parent, const struct device_node *other)
> +{
> +	struct device_node *np, *child;
> +	struct property *pp;
> +
> +	np = of_new_node(parent, other->name);
> +
> +	list_for_each_entry(pp, &other->properties, list)
> +		of_new_property(np, pp->name, pp->value, pp->length);
> +
> +	for_each_child_of_node(other, child)
> +		of_copy_node(np, child);
> +
> +	return np;
> +}
> +
>  void of_delete_node(struct device_node *node)
>  {
>  	struct device_node *n, *nt;
> diff --git a/include/of.h b/include/of.h
> index 9ba771a395b8..c21a1e95dda8 100644
> --- a/include/of.h
> +++ b/include/of.h
> @@ -144,6 +144,8 @@ extern struct device_node *of_new_node(struct device_node *parent,
>  				const char *name);
>  extern struct device_node *of_create_node(struct device_node *root,
>  					const char *path);
> +extern struct device_node *of_copy_node(struct device_node *parent,
> +				const struct device_node *other);
>  extern void of_delete_node(struct device_node *node);
>  
>  extern int of_machine_is_compatible(const char *compat);
> @@ -576,6 +578,12 @@ static inline struct device_node *of_create_node(struct device_node *root,
>  	return NULL;
>  }
>  
> +static inline struct device_node *of_copy_node(struct device_node *parent,
> +					       const struct device_node *other)
> +{
> +	return NULL;
> +}
> +
>  static inline void of_delete_node(struct device_node *node)
>  {
>  }
> -- 
> 2.11.0
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2017-09-20  6:20 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-09-15  8:39 [PATCH 00/12] Vexpress rework Lucas Stach
2017-09-15  8:39 ` [PATCH 01/12] ARM: vexpress: always build relocatable image Lucas Stach
2017-09-15  8:39 ` [PATCH 02/12] of: populate clock providers before other devices Lucas Stach
2017-09-15  8:39 ` [PATCH 03/12] clk: versatile: add basic clocks Lucas Stach
2017-09-16 13:34   ` Sam Ravnborg
2017-09-15  8:39 ` [PATCH 04/12] clocksource: sp804: silently ignore secondary instaces Lucas Stach
2017-09-15  8:39 ` [PATCH 05/12] mci: mmci: add DT support Lucas Stach
2017-09-16 13:37   ` Sam Ravnborg
2017-09-15  8:39 ` [PATCH 06/12] ARM: vexpress: switch to DT probe and multi-image build Lucas Stach
2017-09-15  8:39 ` [PATCH 07/12] ARM: vexpress: regenerate config Lucas Stach
2017-09-15  8:39 ` [PATCH 08/12] docs: add qemu vexpress Lucas Stach
2017-09-15  8:39 ` [PATCH 09/12] vexpress: use device tree provided by QEMU if available Lucas Stach
2017-09-15  8:39 ` [PATCH 10/12] vexpress: add bootstate node to the device tree Lucas Stach
2017-09-15  8:39 ` [PATCH 11/12] of: base: add funtion to copy a device tree node Lucas Stach
2017-09-20  6:20   ` Sascha Hauer
2017-09-15  8:39 ` [PATCH 12/12] ARM: vexpress: add fixup handler for 'virtio, mmio' devices Lucas Stach

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