Attach sunxi(4) based on the compatible property of the root node of the

device tree like we do on omap.  Add preliminary support for the sun5i
variant which corresponds to the A13 and A10s SoCs.

ok patrick@

diff --git a/sys/arch/armv7/sunxi/sunxi.c b/sys/arch/armv7/sunxi/sunxi.c
index 48bba6b..0232aae 100644 (file)
--- a/sys/arch/armv7/sunxi/sunxi.c
+++ b/sys/arch/armv7/sunxi/sunxi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sunxi.c,v 1.12 2016/06/11 07:07:59 jsg Exp $ */
+/* $OpenBSD: sunxi.c,v 1.13 2016/07/17 17:45:14 kettenis Exp $ */
 /*
  * Copyright (c) 2005,2008 Dale Rahn <drahn@openbsd.com>
  *
@@ -25,6 +25,8 @@
 #include <armv7/armv7/armv7var.h>
 #include <armv7/sunxi/sunxireg.h>
 
+#include <dev/ofw/fdt.h>
+
 int    sunxi_match(struct device *, void *, void *);
 void   sxia1x_init();
 void   sxia20_init();
@@ -56,6 +58,21 @@ struct board_dev sun4i_devs[] = {
        { NULL,         0 }
 };
 
+struct board_dev sun5i_devs[] = {
+       { "sxipio",     0 },
+       { "sxiccmu",    0 },
+       { "a1xintc",    0 },
+       { "sxitimer",   0 },
+       { "sxitimer",   1 },
+       { "sxitimer",   2 },
+       { "sxidog",     0 },
+       { "ehci",       0 },
+#if 0
+       { "ohci",       0 },
+#endif
+       { NULL,         0 }
+};
+
 struct board_dev sun7i_devs[] = {
        { "sxipio",     0 },
        { "sxiccmu",    0 },
@@ -71,41 +88,62 @@ struct board_dev sun7i_devs[] = {
        { NULL,         0 }
 };
 
-struct armv7_board sunxi_boards[] = {
+struct sunxi_soc {
+       char                    *compatible;
+       struct board_dev        *devs;
+       void                    (*init)(void);
+};
+
+struct sunxi_soc sunxi_socs[] = {
        {
-               BOARD_ID_SUN4I_A10,
+               "allwinner,sun4i-a10",
                sun4i_devs,
                sxia1x_init,
        },
        {
-               BOARD_ID_SUN7I_A20,
+               "allwinner,sun5i-a10s",
+               sun5i_devs,
+               sxia1x_init,
+       },
+       {
+               "allwinner,sun7i-a20",
                sun7i_devs,
                sxia20_init,
        },
-       { 0, NULL, NULL },
+       { NULL, NULL, NULL },
 };
 
 struct board_dev *
 sunxi_board_devs(void)
 {
+       void *node;
        int i;
 
-       for (i = 0; sunxi_boards[i].board_id != 0; i++) {
-               if (sunxi_boards[i].board_id == board_id)
-                       return (sunxi_boards[i].devs);
+       node = fdt_find_node("/");
+       if (node == NULL)
+               return NULL;
+
+       for (i = 0; sunxi_socs[i].compatible != NULL; i++) {
+               if (fdt_is_compatible(node, sunxi_socs[i].compatible))
+                       return sunxi_socs[i].devs;
        }
-       return (NULL);
+       return NULL;
 }
 
 void
 sunxi_board_init(void)
 {
        bus_space_handle_t ioh;
+       void *node;
        int i, match = 0;
 
-       for (i = 0; sunxi_boards[i].board_id != 0; i++) {
-               if (sunxi_boards[i].board_id == board_id) {
-                       sunxi_boards[i].init();
+       node = fdt_find_node("/");
+       if (node == NULL)
+               return;
+
+       for (i = 0; sunxi_socs[i].compatible != NULL; i++) {
+               if (fdt_is_compatible(node, sunxi_socs[i].compatible)) {
+                       sunxi_socs[i].init();
                        match = 1;
                        break;
                }