CBMEM: Change declarations for initialization hooks

There are efforts to have bootflows that do not follow a traditional
bootblock-romstage-postcar-ramstage model. As part of that CBMEM
initialisation hooks will need to move from romstage to bootblock.

The interface towards platforms and drivers will change to use one of
CBMEM_CREATION_HOOK() or CBMEM_READY_HOOK(). Former will only be called
in the first stage with CBMEM available.

Change-Id: Ie24bf4e818ca69f539196c3a814f3c52d4103d7e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63375
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>

src/lib/cbfs.c

@@ -32,7 +32,7 @@ static void switch_to_postram_cache(int unused)
 		mem_pool_init(&cbfs_cache, _postram_cbfs_cache, REGION_SIZE(postram_cbfs_cache),
 			      CONFIG_CBFS_CACHE_ALIGN);
 }
-ROMSTAGE_CBMEM_INIT_HOOK(switch_to_postram_cache);
+CBMEM_CREATION_HOOK(switch_to_postram_cache);
 
 enum cb_err _cbfs_boot_lookup(const char *name, bool force_ro,
 			      union cbfs_mdata *mdata, struct region_device *rdev)
@@ -693,5 +693,5 @@ static void cbfs_mcache_migrate(int unused)
 	mcache_to_cbmem(vboot_get_cbfs_boot_device(), CBMEM_ID_CBFS_RW_MCACHE);
 	mcache_to_cbmem(cbfs_get_boot_device(true), CBMEM_ID_CBFS_RO_MCACHE);
 }
-ROMSTAGE_CBMEM_INIT_HOOK(cbfs_mcache_migrate)
+CBMEM_CREATION_HOOK(cbfs_mcache_migrate);
 #endif

src/lib/cbmem_console.c

@@ -167,12 +167,10 @@ static void cbmemc_reinit(int is_recovery)
 	copy_console_buffer(previous_cons_p);
 }
 
-/* Run the romstage hook early so that the console region is one of the earliest created, and
+/* Run this hook early so that the console region is one of the earliest created, and
    therefore more likely to stay in the same place even across different boot modes where some
    other regions may sometimes not get created (e.g. RW_MCACHE in vboot recovery mode). */
-ROMSTAGE_CBMEM_INIT_HOOK_EARLY(cbmemc_reinit)
-RAMSTAGE_CBMEM_INIT_HOOK(cbmemc_reinit)
-POSTCAR_CBMEM_INIT_HOOK(cbmemc_reinit)
+CBMEM_READY_HOOK_EARLY(cbmemc_reinit);
 
 #if CONFIG(CONSOLE_CBMEM_DUMP_TO_UART)
 void cbmem_dump_console_to_uart(void)

src/lib/ext_stage_cache.c

@@ -158,6 +158,4 @@ static void stage_cache_setup(int is_recovery)
 		stage_cache_create_empty();
 }
 
-ROMSTAGE_CBMEM_INIT_HOOK(stage_cache_setup)
-RAMSTAGE_CBMEM_INIT_HOOK(stage_cache_setup)
-POSTCAR_CBMEM_INIT_HOOK(stage_cache_setup)
+CBMEM_READY_HOOK(stage_cache_setup);

src/lib/fmap.c

@@ -315,13 +315,11 @@ static void fmap_add_cbmem_cache(void)
 
 static void fmap_setup_cbmem_cache(int unused)
 {
-	if (ENV_ROMSTAGE)
+	if (ENV_CREATES_CBMEM)
 		fmap_add_cbmem_cache();
 
 	/* Finally advertise the cache for the current stage */
 	fmap_register_cbmem_cache();
 }
 
-ROMSTAGE_CBMEM_INIT_HOOK(fmap_setup_cbmem_cache)
-RAMSTAGE_CBMEM_INIT_HOOK(fmap_setup_cbmem_cache)
-POSTCAR_CBMEM_INIT_HOOK(fmap_setup_cbmem_cache)
+CBMEM_READY_HOOK(fmap_setup_cbmem_cache);

src/lib/imd_cbmem.c

@@ -17,7 +17,7 @@ static struct imd imd;
 
 void *cbmem_top(void)
 {
-	if (ENV_ROMSTAGE) {
+	if (ENV_CREATES_CBMEM) {
 		static void *top;
 		if (top)
 			return top;
@@ -49,9 +49,8 @@ void cbmem_initialize_empty(void)
 
 static void cbmem_top_init_once(void)
 {
-	/* Call one-time hook on expected cbmem init during boot. This sequence
-	   assumes first init call is in romstage. */
-	if (!ENV_ROMSTAGE)
+	/* Call one-time hook on expected cbmem init during boot. */
+	if (!ENV_CREATES_CBMEM)
 		return;
 
 	/* The test is only effective on X86 and when address hits UC memory. */
@@ -106,7 +105,7 @@ int cbmem_initialize_id_size(u32 id, u64 size)
 	 * if the imd area was recovered in romstage then S3 resume path
 	 * is being taken.
 	 */
-	if (ENV_ROMSTAGE)
+	if (ENV_CREATES_CBMEM)
 		imd_lockdown(&imd);
 
 	/* Add the specified range first */
@@ -206,8 +205,7 @@ void cbmem_get_region(void **baseptr, size_t *size)
 	imd_region_used(&imd, baseptr, size);
 }
 
-#if ENV_PAYLOAD_LOADER || (CONFIG(EARLY_CBMEM_LIST) \
-	&& (ENV_POSTCAR || ENV_ROMSTAGE))
+#if ENV_PAYLOAD_LOADER || (CONFIG(EARLY_CBMEM_LIST) && ENV_HAS_CBMEM)
 /*
  * -fdata-sections doesn't work so well on read only strings. They all
  * get put in the same section even though those strings may never be

src/lib/program.ld

@@ -24,7 +24,7 @@
 	*(.text);
 	*(.text.*);
 
-#if ENV_RAMSTAGE || ENV_ROMSTAGE || ENV_POSTCAR
+#if ENV_HAS_CBMEM
 	. = ALIGN(ARCH_POINTER_ALIGN_SIZE);
 	_cbmem_init_hooks = .;
 	KEEP(*(.rodata.cbmem_init_hooks_early));

src/lib/timestamp.c

@@ -215,7 +215,7 @@ static void timestamp_reinit(int is_recovery)
 
 	/* First time into romstage we make a clean new table. For platforms that travel
 	   through this path on resume, ARCH_X86 S3, timestamps are also reset. */
-	if (ENV_ROMSTAGE) {
+	if (ENV_CREATES_CBMEM) {
 		ts_cbmem_table = timestamp_alloc_cbmem_table();
 	} else {
 		/* Find existing table in cbmem. */
@@ -228,7 +228,7 @@ static void timestamp_reinit(int is_recovery)
 		return;
 	}
 
-	if (ENV_ROMSTAGE)
+	if (ENV_CREATES_CBMEM)
 		timestamp_sync_cache_to_cbmem(ts_cbmem_table);
 
 	/* Seed the timestamp tick frequency in ENV_PAYLOAD_LOADER. */
@@ -279,9 +279,7 @@ uint32_t get_us_since_boot(void)
 	return (timestamp_get() - ts->base_time) / ts->tick_freq_mhz;
 }
 
-ROMSTAGE_CBMEM_INIT_HOOK(timestamp_reinit)
-POSTCAR_CBMEM_INIT_HOOK(timestamp_reinit)
-RAMSTAGE_CBMEM_INIT_HOOK(timestamp_reinit)
+CBMEM_READY_HOOK(timestamp_reinit);
 
 /* Provide default timestamp implementation using monotonic timer. */
 uint64_t  __weak timestamp_get(void)