diff options
| author | Simon Glass <sjg@chromium.org> | 2014-07-23 06:55:04 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-07-23 14:07:24 +0100 |
| commit | ab7cd62790c4f7831b91eab8a2ec81742d01bb54 (patch) | |
| tree | a298371967a59815b09ef034e165493b50826eea /common | |
| parent | 00606d7e39da4a8ecfbbc19d5af252bdfdd1fcc9 (diff) | |
dm: Support driver model prior to relocation
Initialise devices marked 'pre-reloc' and make them available prior to
relocation. Note that this requires pre-reloc malloc() to be available.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/board_f.c | 16 | ||||
| -rw-r--r-- | common/board_r.c | 25 |
2 files changed, 20 insertions, 21 deletions
diff --git a/common/board_f.c b/common/board_f.c index 6b2e277bd7..6203d85619 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -14,6 +14,7 @@ #include <linux/compiler.h> #include <version.h> #include <environment.h> +#include <dm.h> #include <fdtdec.h> #include <fs.h> #if defined(CONFIG_CMD_IDE) @@ -53,6 +54,7 @@ #ifdef CONFIG_SANDBOX #include <asm/state.h> #endif +#include <dm/root.h> #include <linux/compiler.h> /* @@ -778,6 +780,19 @@ static int initf_malloc(void) return 0; } +static int initf_dm(void) +{ +#if defined(CONFIG_DM) && defined(CONFIG_SYS_MALLOC_F_LEN) + int ret; + + ret = dm_init_and_scan(true); + if (ret) + return ret; +#endif + + return 0; +} + static init_fnc_t init_sequence_f[] = { #ifdef CONFIG_SANDBOX setup_ram_buf, @@ -836,6 +851,7 @@ static init_fnc_t init_sequence_f[] = { init_timebase, #endif initf_malloc, + initf_dm, init_baud_rate, /* initialze baudrate settings */ serial_init, /* serial communications setup */ console_init_f, /* stage 1 init of console */ diff --git a/common/board_r.c b/common/board_r.c index fbabc898d8..8e7a3ac74c 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -273,27 +273,10 @@ static int initr_malloc(void) #ifdef CONFIG_DM static int initr_dm(void) { - int ret; - - ret = dm_init(); - if (ret) { - debug("dm_init() failed: %d\n", ret); - return ret; - } - ret = dm_scan_platdata(false); - if (ret) { - debug("dm_scan_platdata() failed: %d\n", ret); - return ret; - } -#ifdef CONFIG_OF_CONTROL - ret = dm_scan_fdt(gd->fdt_blob, false); - if (ret) { - debug("dm_scan_fdt() failed: %d\n", ret); - return ret; - } -#endif - - return 0; + /* Save the pre-reloc driver model and start a new one */ + gd->dm_root_f = gd->dm_root; + gd->dm_root = NULL; + return dm_init_and_scan(false); } #endif |