In order to reuse the support for the u-boot,spl-boot-order property
from the rk3399, we split it into a reusable module that can be
included by the SPL code for any of our boards.

Signed-off-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com>

---

Changes in v2:
- added in v2

 arch/arm/mach-rockchip/Makefile           |   2 +-
 arch/arm/mach-rockchip/rk3399-board-spl.c | 104 ----------------------------
 arch/arm/mach-rockchip/spl-boot-order.c   | 108 ++++++++++++++++++++++++++++++
 3 files changed, 109 insertions(+), 105 deletions(-)
 create mode 100644 arch/arm/mach-rockchip/spl-boot-order.c

diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 960f40f..c5d17f9 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -19,7 +19,7 @@ obj-spl-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK322X) += rk322x-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3368) += rk3368-board-spl.o
-obj-spl-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-spl.o
+obj-spl-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-spl.o spl-boot-order.o
 
 ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TPL_BUILD),)
 obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board.o
diff --git a/arch/arm/mach-rockchip/rk3399-board-spl.c 
b/arch/arm/mach-rockchip/rk3399-board-spl.c
index 710f7fe..a13b717 100644
--- a/arch/arm/mach-rockchip/rk3399-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3399-board-spl.c
@@ -8,9 +8,6 @@
 #include <debug_uart.h>
 #include <dm.h>
 #include <fdtdec.h>
-#include <led.h>
-#include <malloc.h>
-#include <mmc.h>
 #include <ram.h>
 #include <spl.h>
 #include <asm/gpio.h>
@@ -21,111 +18,10 @@
 #include <asm/arch/sdram.h>
 #include <asm/arch/timer.h>
 #include <dm/pinctrl.h>
-#include <dm/root.h>
-#include <dm/test.h>
-#include <dm/util.h>
 #include <power/regulator.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if CONFIG_IS_ENABLED(OF_CONTROL)
-static int spl_node_to_boot_device(int node)
-{
-       struct udevice *parent;
-
-       /*
-        * This should eventually move into the SPL code, once SPL becomes
-        * aware of the block-device layer.  Until then (and to avoid unneeded
-        * delays in getting this feature out, it lives at the board-level).
-        */
-       if (!uclass_get_device_by_of_offset(UCLASS_MMC, node, &parent)) {
-               struct udevice *dev;
-               struct blk_desc *desc = NULL;
-
-               for (device_find_first_child(parent, &dev);
-                    dev;
-                    device_find_next_child(&dev)) {
-                       if (device_get_uclass_id(dev) == UCLASS_BLK) {
-                               desc = dev_get_uclass_platdata(dev);
-                               break;
-                       }
-               }
-
-               if (!desc)
-                       return -ENOENT;
-
-               switch (desc->devnum) {
-               case 0:
-                       return BOOT_DEVICE_MMC1;
-               case 1:
-                       return BOOT_DEVICE_MMC2;
-               default:
-                       return -ENOSYS;
-               }
-       }
-
-       /*
-        * SPL doesn't differentiate SPI flashes, so we keep the detection
-        * brief and inaccurate... hopefully, the common SPL layer can be
-        * extended with awareness of the BLK layer (and matching OF_CONTROL)
-        * soon.
-        */
-       if (!uclass_get_device_by_of_offset(UCLASS_SPI_FLASH, node, &parent))
-               return BOOT_DEVICE_SPI;
-
-       return -1;
-}
-
-void board_boot_order(u32 *spl_boot_list)
-{
-       const void *blob = gd->fdt_blob;
-       int chosen_node = fdt_path_offset(blob, "/chosen");
-       int idx = 0;
-       int elem;
-       int boot_device;
-       int node;
-       const char *conf;
-
-       if (chosen_node < 0) {
-               debug("%s: /chosen not found, using spl_boot_device()\n",
-                     __func__);
-               spl_boot_list[0] = spl_boot_device();
-               return;
-       }
-
-       for (elem = 0;
-            (conf = fdt_stringlist_get(blob, chosen_node,
-                                       "u-boot,spl-boot-order", elem, NULL));
-            elem++) {
-               /* First check if the list element is an alias */
-               const char *alias = fdt_get_alias(blob, conf);
-               if (alias)
-                       conf = alias;
-
-               /* Try to resolve the config item (or alias) as a path */
-               node = fdt_path_offset(blob, conf);
-               if (node < 0) {
-                       debug("%s: could not find %s in FDT", __func__, conf);
-                       continue;
-               }
-
-               /* Try to map this back onto SPL boot devices */
-               boot_device = spl_node_to_boot_device(node);
-               if (boot_device < 0) {
-                       debug("%s: could not map node @%x to a boot-device\n",
-                             __func__, node);
-                       continue;
-               }
-
-               spl_boot_list[idx++] = boot_device;
-       }
-
-       /* If we had no matches, fall back to spl_boot_device */
-       if (idx == 0)
-               spl_boot_list[0] = spl_boot_device();
-}
-#endif
-
 u32 spl_boot_device(void)
 {
        return BOOT_DEVICE_MMC1;
diff --git a/arch/arm/mach-rockchip/spl-boot-order.c 
b/arch/arm/mach-rockchip/spl-boot-order.c
new file mode 100644
index 0000000..4f78c72
--- /dev/null
+++ b/arch/arm/mach-rockchip/spl-boot-order.c
@@ -0,0 +1,108 @@
+/*
+ * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <mmc.h>
+#include <spl.h>
+
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static int spl_node_to_boot_device(int node)
+{
+       struct udevice *parent;
+
+       /*
+        * This should eventually move into the SPL code, once SPL becomes
+        * aware of the block-device layer.  Until then (and to avoid unneeded
+        * delays in getting this feature out, it lives at the board-level).
+        */
+       if (!uclass_get_device_by_of_offset(UCLASS_MMC, node, &parent)) {
+               struct udevice *dev;
+               struct blk_desc *desc = NULL;
+
+               for (device_find_first_child(parent, &dev);
+                    dev;
+                    device_find_next_child(&dev)) {
+                       if (device_get_uclass_id(dev) == UCLASS_BLK) {
+                               desc = dev_get_uclass_platdata(dev);
+                               break;
+                       }
+               }
+
+               if (!desc)
+                       return -ENOENT;
+
+               switch (desc->devnum) {
+               case 0:
+                       return BOOT_DEVICE_MMC1;
+               case 1:
+                       return BOOT_DEVICE_MMC2;
+               default:
+                       return -ENOSYS;
+               }
+       }
+
+       /*
+        * SPL doesn't differentiate SPI flashes, so we keep the detection
+        * brief and inaccurate... hopefully, the common SPL layer can be
+        * extended with awareness of the BLK layer (and matching OF_CONTROL)
+        * soon.
+        */
+       if (!uclass_get_device_by_of_offset(UCLASS_SPI_FLASH, node, &parent))
+               return BOOT_DEVICE_SPI;
+
+       return -1;
+}
+
+void board_boot_order(u32 *spl_boot_list)
+{
+       const void *blob = gd->fdt_blob;
+       int chosen_node = fdt_path_offset(blob, "/chosen");
+       int idx = 0;
+       int elem;
+       int boot_device;
+       int node;
+       const char *conf;
+
+       if (chosen_node < 0) {
+               debug("%s: /chosen not found, using spl_boot_device()\n",
+                     __func__);
+               spl_boot_list[0] = spl_boot_device();
+               return;
+       }
+
+       for (elem = 0;
+            (conf = fdt_stringlist_get(blob, chosen_node,
+                                       "u-boot,spl-boot-order", elem, NULL));
+            elem++) {
+               /* First check if the list element is an alias */
+               const char *alias = fdt_get_alias(blob, conf);
+               if (alias)
+                       conf = alias;
+
+               /* Try to resolve the config item (or alias) as a path */
+               node = fdt_path_offset(blob, conf);
+               if (node < 0) {
+                       debug("%s: could not find %s in FDT", __func__, conf);
+                       continue;
+               }
+
+               /* Try to map this back onto SPL boot devices */
+               boot_device = spl_node_to_boot_device(node);
+               if (boot_device < 0) {
+                       debug("%s: could not map node @%x to a boot-device\n",
+                             __func__, node);
+                       continue;
+               }
+
+               spl_boot_list[idx++] = boot_device;
+       }
+
+       /* If we had no matches, fall back to spl_boot_device */
+       if (idx == 0)
+               spl_boot_list[0] = spl_boot_device();
+}
+#endif
-- 
2.1.4

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