diff mbox

[v3,2/2] ARM: dove: split legacy and DT setup

Message ID 1359495695-29304-1-git-send-email-sebastian.hesselbarth@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sebastian Hesselbarth Jan. 29, 2013, 9:41 p.m. UTC
In the beginning of DT for Dove it was reasonable to have it close to
non-DT code. With improved DT support, it became more and more difficult
to not break non-DT while changing DT code.

This patch splits up DT board setup and introduces a DOVE_LEGACY config
to allow to remove legacy code for DT-only kernels.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
Changelog:
[v3]
- also include new board-dt.c file that was missing in v2 of patch [2/2]
  (patch [1/2] has not changed and is not resent)

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 arch/arm/mach-dove/Kconfig    |    5 ++
 arch/arm/mach-dove/Makefile   |    4 +-
 arch/arm/mach-dove/board-dt.c |  103 +++++++++++++++++++++++++++++++++++++++++
 arch/arm/mach-dove/common.c   |   90 -----------------------------------
 arch/arm/mach-dove/common.h   |    1 +
 5 files changed, 112 insertions(+), 91 deletions(-)
 create mode 100644 arch/arm/mach-dove/board-dt.c

Comments

Jason Cooper Jan. 31, 2013, 12:52 a.m. UTC | #1
On Tue, Jan 29, 2013 at 10:41:35PM +0100, Sebastian Hesselbarth wrote:
> In the beginning of DT for Dove it was reasonable to have it close to
> non-DT code. With improved DT support, it became more and more difficult
> to not break non-DT while changing DT code.
> 
> This patch splits up DT board setup and introduces a DOVE_LEGACY config
> to allow to remove legacy code for DT-only kernels.
> 
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
> ---
> Changelog:
> [v3]
> - also include new board-dt.c file that was missing in v2 of patch [2/2]
>   (patch [1/2] has not changed and is not resent)
> 
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: Jason Cooper <jason@lakedaemon.net>
> Cc: Andrew Lunn <andrew@lunn.ch>
> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  arch/arm/mach-dove/Kconfig    |    5 ++
>  arch/arm/mach-dove/Makefile   |    4 +-
>  arch/arm/mach-dove/board-dt.c |  103 +++++++++++++++++++++++++++++++++++++++++
>  arch/arm/mach-dove/common.c   |   90 -----------------------------------
>  arch/arm/mach-dove/common.h   |    1 +
>  5 files changed, 112 insertions(+), 91 deletions(-)
>  create mode 100644 arch/arm/mach-dove/board-dt.c

Applied to mvebu/boards

thx,

Jason.
diff mbox

Patch

diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
index 603c5fd..aedd0ba 100644
--- a/arch/arm/mach-dove/Kconfig
+++ b/arch/arm/mach-dove/Kconfig
@@ -2,8 +2,12 @@  if ARCH_DOVE
 
 menu "Marvell Dove Implementations"
 
+config DOVE_LEGACY
+	bool
+
 config MACH_DOVE_DB
 	bool "Marvell DB-MV88AP510 Development Board"
+	select DOVE_LEGACY
 	select I2C_BOARDINFO
 	help
 	  Say 'Y' here if you want your kernel to support the
@@ -11,6 +15,7 @@  config MACH_DOVE_DB
 
 config MACH_CM_A510
 	bool "CompuLab CM-A510 Board"
+	select DOVE_LEGACY
 	help
 	  Say 'Y' here if you want your kernel to support the
 	  CompuLab CM-A510 Board.
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
index 5e683ba..3f0a858 100644
--- a/arch/arm/mach-dove/Makefile
+++ b/arch/arm/mach-dove/Makefile
@@ -1,4 +1,6 @@ 
-obj-y				+= common.o addr-map.o irq.o mpp.o
+obj-y				+= common.o addr-map.o irq.o
+obj-$(CONFIG_DOVE_LEGACY)	+= mpp.o
 obj-$(CONFIG_PCI)		+= pcie.o
 obj-$(CONFIG_MACH_DOVE_DB)	+= dove-db-setup.o
+obj-$(CONFIG_MACH_DOVE_DT)	+= board-dt.o
 obj-$(CONFIG_MACH_CM_A510)	+= cm-a510.o
diff --git a/arch/arm/mach-dove/board-dt.c b/arch/arm/mach-dove/board-dt.c
new file mode 100644
index 0000000..c9c274a
--- /dev/null
+++ b/arch/arm/mach-dove/board-dt.c
@@ -0,0 +1,103 @@ 
+/*
+ * arch/arm/mach-dove/board-dt.c
+ *
+ * Marvell Dove 88AP510 System On Chip FDT Board
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/clk-provider.h>
+#include <linux/clk/mvebu.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_data/usb-ehci-orion.h>
+#include <asm/hardware/cache-tauros2.h>
+#include <asm/mach/arch.h>
+#include <mach/pm.h>
+#include <plat/common.h>
+#include <plat/irq.h>
+#include "common.h"
+
+/*
+ * There are still devices that doesn't even know about DT,
+ * get clock gates here and add a clock lookup.
+ */
+static void __init dove_legacy_clk_init(void)
+{
+	struct device_node *np = of_find_compatible_node(NULL, NULL,
+					 "marvell,dove-gating-clock");
+	struct of_phandle_args clkspec;
+
+	clkspec.np = np;
+	clkspec.args_count = 1;
+
+	clkspec.args[0] = CLOCK_GATING_BIT_USB0;
+	orion_clkdev_add(NULL, "orion-ehci.0",
+			 of_clk_get_from_provider(&clkspec));
+
+	clkspec.args[0] = CLOCK_GATING_BIT_USB1;
+	orion_clkdev_add(NULL, "orion-ehci.1",
+			 of_clk_get_from_provider(&clkspec));
+
+	clkspec.args[0] = CLOCK_GATING_BIT_GBE;
+	orion_clkdev_add(NULL, "mv643xx_eth_port.0",
+			 of_clk_get_from_provider(&clkspec));
+
+	clkspec.args[0] = CLOCK_GATING_BIT_PCIE0;
+	orion_clkdev_add("0", "pcie",
+			 of_clk_get_from_provider(&clkspec));
+
+	clkspec.args[0] = CLOCK_GATING_BIT_PCIE1;
+	orion_clkdev_add("1", "pcie",
+			 of_clk_get_from_provider(&clkspec));
+}
+
+static void __init dove_of_clk_init(void)
+{
+	mvebu_clocks_init();
+	dove_legacy_clk_init();
+}
+
+static struct mv643xx_eth_platform_data dove_dt_ge00_data = {
+	.phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT,
+};
+
+static void __init dove_dt_init(void)
+{
+	pr_info("Dove 88AP510 SoC\n");
+
+#ifdef CONFIG_CACHE_TAUROS2
+	tauros2_init(0);
+#endif
+	dove_setup_cpu_mbus();
+
+	/* Setup root of clk tree */
+	dove_of_clk_init();
+
+	/* Internal devices not ported to DT yet */
+	dove_rtc_init();
+	dove_ge00_init(&dove_dt_ge00_data);
+	dove_ehci0_init();
+	dove_ehci1_init();
+	dove_pcie_init(1, 1);
+
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const dove_dt_board_compat[] = {
+	"marvell,dove",
+	NULL
+};
+
+DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
+	.map_io		= dove_map_io,
+	.init_early	= dove_init_early,
+	.init_irq	= orion_dt_init_irq,
+	.timer		= &dove_timer,
+	.init_machine	= dove_dt_init,
+	.restart	= dove_restart,
+	.dt_compat	= dove_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index be887feea..aea14b4 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -9,22 +9,17 @@ 
  */
 
 #include <linux/clk-provider.h>
-#include <linux/clk/mvebu.h>
 #include <linux/dma-mapping.h>
 #include <linux/init.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
 #include <linux/platform_data/dma-mv_xor.h>
 #include <linux/platform_data/usb-ehci-orion.h>
 #include <linux/platform_device.h>
 #include <asm/hardware/cache-tauros2.h>
-#include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
 #include <mach/bridge-regs.h>
 #include <mach/pm.h>
 #include <plat/common.h>
-#include <plat/irq.h>
 #include <plat/time.h>
 #include "common.h"
 
@@ -364,88 +359,3 @@  void dove_restart(char mode, const char *cmd)
 	while (1)
 		;
 }
-
-#if defined(CONFIG_MACH_DOVE_DT)
-/*
- * There are still devices that doesn't even know about DT,
- * get clock gates here and add a clock lookup.
- */
-static void __init dove_legacy_clk_init(void)
-{
-	struct device_node *np = of_find_compatible_node(NULL, NULL,
-					 "marvell,dove-gating-clock");
-	struct of_phandle_args clkspec;
-
-	clkspec.np = np;
-	clkspec.args_count = 1;
-
-	clkspec.args[0] = CLOCK_GATING_BIT_USB0;
-	orion_clkdev_add(NULL, "orion-ehci.0",
-			 of_clk_get_from_provider(&clkspec));
-
-	clkspec.args[0] = CLOCK_GATING_BIT_USB1;
-	orion_clkdev_add(NULL, "orion-ehci.1",
-			 of_clk_get_from_provider(&clkspec));
-
-	clkspec.args[0] = CLOCK_GATING_BIT_GBE;
-	orion_clkdev_add(NULL, "mv643xx_eth_port.0",
-			 of_clk_get_from_provider(&clkspec));
-
-	clkspec.args[0] = CLOCK_GATING_BIT_PCIE0;
-	orion_clkdev_add("0", "pcie",
-			 of_clk_get_from_provider(&clkspec));
-
-	clkspec.args[0] = CLOCK_GATING_BIT_PCIE1;
-	orion_clkdev_add("1", "pcie",
-			 of_clk_get_from_provider(&clkspec));
-}
-
-static void __init dove_of_clk_init(void)
-{
-	mvebu_clocks_init();
-	dove_legacy_clk_init();
-}
-
-static struct mv643xx_eth_platform_data dove_dt_ge00_data = {
-	.phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT,
-};
-
-static void __init dove_dt_init(void)
-{
-	pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n",
-		(dove_tclk + 499999) / 1000000);
-
-#ifdef CONFIG_CACHE_TAUROS2
-	tauros2_init(0);
-#endif
-	dove_setup_cpu_mbus();
-
-	/* Setup root of clk tree */
-	dove_of_clk_init();
-
-	/* Internal devices not ported to DT yet */
-	dove_rtc_init();
-
-	dove_ge00_init(&dove_dt_ge00_data);
-	dove_ehci0_init();
-	dove_ehci1_init();
-	dove_pcie_init(1, 1);
-
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-
-static const char * const dove_dt_board_compat[] = {
-	"marvell,dove",
-	NULL
-};
-
-DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")
-	.map_io		= dove_map_io,
-	.init_early	= dove_init_early,
-	.init_irq	= orion_dt_init_irq,
-	.timer		= &dove_timer,
-	.init_machine	= dove_dt_init,
-	.restart	= dove_restart,
-	.dt_compat	= dove_dt_board_compat,
-MACHINE_END
-#endif
diff --git a/arch/arm/mach-dove/common.h b/arch/arm/mach-dove/common.h
index 1a23340..d17f760 100644
--- a/arch/arm/mach-dove/common.h
+++ b/arch/arm/mach-dove/common.h
@@ -25,6 +25,7 @@  void dove_init_early(void);
 void dove_init_irq(void);
 void dove_setup_cpu_mbus(void);
 void dove_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void dove_rtc_init(void);
 void dove_sata_init(struct mv_sata_platform_data *sata_data);
 #ifdef CONFIG_PCI
 void dove_pcie_init(int init_port0, int init_port1);