brcm63xx: move buttons and leds to dts files
[openwrt.git] / target / linux / brcm63xx / patches-3.14 / 368-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch
1 From 25bf2b5836c892f091651d8a3384c9c57ce1b400 Mon Sep 17 00:00:00 2001
2 From: Jonas Gorski <jogo@openwrt.org>
3 Date: Thu, 26 Jun 2014 12:51:00 +0200
4 Subject: [PATCH 46/48] MIPS: BCM63XX: add support for matching the board_info
5  by dtb
6
7 Allow using the passed dtb's compatible property to match board_info
8 structs instead of nvram's boardname field, which is not unique anyway.
9
10 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
11 ---
12  arch/mips/bcm63xx/boards/board_bcm963xx.c |   15 +++++++++++++++
13  arch/mips/bcm63xx/boards/board_common.c   |   18 ++++++++++++++++++
14  arch/mips/bcm63xx/boards/board_common.h   |    3 +++
15  3 files changed, 36 insertions(+)
16
17 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
18 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
19 @@ -715,6 +715,10 @@ static const struct board_info __initcon
20  #endif
21  };
22  
23 +static struct of_device_id const bcm963xx_boards_dt[] = {
24 +       { },
25 +};
26 +
27  /*
28   * early init callback, read nvram data from flash and checksum it
29   */
30 @@ -726,6 +730,7 @@ void __init board_bcm963xx_init(void)
31         char *board_name = NULL;
32         u32 val;
33         struct bcm_hcs *hcs;
34 +       const struct of_device_id *board_match;
35  
36         /* read base address of boot chip select (0)
37          * 6328/6362 do not have MPI but boot from a fixed address
38 @@ -765,6 +770,16 @@ void __init board_bcm963xx_init(void)
39         } else {
40                 board_name = bcm63xx_nvram_get_name();
41         }
42 +
43 +       /* find board by compat */
44 +       board_match = bcm63xx_match_board(bcm963xx_boards_dt);
45 +       if (board_match) {
46 +               board_early_setup(board_match->data,
47 +                                 bcm63xx_nvram_get_mac_address);
48 +
49 +               return;
50 +       }
51 +
52         /* find board by name */
53         for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
54                 if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
55 --- a/arch/mips/bcm63xx/boards/board_common.c
56 +++ b/arch/mips/bcm63xx/boards/board_common.c
57 @@ -281,3 +281,21 @@ int __init board_register_devices(void)
58  
59         return 0;
60  }
61 +
62 +const struct of_device_id * __init bcm63xx_match_board(const struct of_device_id *m)
63 +{
64 +       const struct of_device_id *match;
65 +       unsigned long dt_root;
66 +
67 +       if (!IS_ENABLED(CONFIG_OF) || !initial_boot_params)
68 +               return NULL;
69 +
70 +       dt_root = of_get_flat_dt_root();
71 +
72 +       for (match = m; match->compatible[0]; match++) {
73 +               if (of_flat_dt_is_compatible(dt_root, match->compatible))
74 +                       return match;
75 +       }
76 +
77 +       return NULL;
78 +}
79 --- a/arch/mips/bcm63xx/boards/board_common.h
80 +++ b/arch/mips/bcm63xx/boards/board_common.h
81 @@ -1,11 +1,14 @@
82  #ifndef __BOARD_COMMON_H
83  #define __BOARD_COMMON_H
84  
85 +#include <linux/of.h>
86  #include <board_bcm963xx.h>
87  
88  void board_early_setup(const struct board_info *board,
89                        int (*get_mac_address)(u8 mac[ETH_ALEN]));
90  
91 +const struct of_device_id *bcm63xx_match_board(const struct of_device_id *);
92 +
93  #if defined(CONFIG_BOARD_BCM963XX)
94  void board_bcm963xx_init(void);
95  #else