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-rw-r--r--src/include/reg_script.h14
-rw-r--r--src/lib/program.ld5
-rw-r--r--src/lib/reg_script.c26
-rw-r--r--src/soc/intel/braswell/iosf.c12
4 files changed, 23 insertions, 34 deletions
diff --git a/src/include/reg_script.h b/src/include/reg_script.h
index 741641a42c..da01481c3f 100644
--- a/src/include/reg_script.h
+++ b/src/include/reg_script.h
@@ -60,7 +60,9 @@ enum {
/* Insert other platform independent values above this comment */
- REG_SCRIPT_TYPE_PLATFORM_BASE = 0x10000
+ REG_SCRIPT_TYPE_PLATFORM_BASE = 0x10000,
+ REG_SCRIPT_TYPE_SOC_BASE = REG_SCRIPT_TYPE_PLATFORM_BASE,
+ REG_SCRIPT_TYPE_MAINBOARD_BASE = 0x20000
};
enum {
@@ -92,17 +94,17 @@ struct reg_script_context {
const struct reg_script *step;
};
-#ifndef __PRE_RAM__
struct reg_script_bus_entry {
- int type;
+ uint32_t type;
uint64_t (*reg_script_read)(struct reg_script_context *ctx);
void (*reg_script_write)(struct reg_script_context *ctx);
};
-/* Get the address and length of the platform bus table */
-const struct reg_script_bus_entry *platform_bus_table(size_t *table_entries);
+#define REG_SCRIPT_TABLE_ATTRIBUTE __attribute__ ((used,section (".rsbe_init")))
-#endif /* __PRE_RAM */
+#define REG_SCRIPT_BUS_ENTRY(bus_entry_) \
+ const struct reg_script_bus_entry *rsbe_ ## bus_entry_ \
+ REG_SCRIPT_TABLE_ATTRIBUTE = &bus_entry_;
/* Internal helper Macros. */
diff --git a/src/lib/program.ld b/src/lib/program.ld
index 6ffa82aa30..993037f8a9 100644
--- a/src/lib/program.ld
+++ b/src/lib/program.ld
@@ -43,6 +43,11 @@
_cbmem_init_hooks = .;
KEEP(*(.rodata.cbmem_init_hooks));
_ecbmem_init_hooks = .;
+
+ . = ALIGN(ARCH_POINTER_ALIGN_SIZE);
+ _rsbe_init_begin = .;
+ KEEP(*(.rsbe_init));
+ _ersbe_init_begin = .;
#endif
#if ENV_RAMSTAGE
diff --git a/src/lib/reg_script.c b/src/lib/reg_script.c
index 7530dc32b8..9e20134e85 100644
--- a/src/lib/reg_script.c
+++ b/src/lib/reg_script.c
@@ -393,35 +393,27 @@ static void reg_script_write_msr(struct reg_script_context *ctx)
#endif
}
-#ifndef __PRE_RAM__
-/* Default routine provided for systems without platform specific busses */
-const struct reg_script_bus_entry *__attribute__((weak))
- platform_bus_table(size_t *table_entries)
-{
- /* No platform bus type table supplied */
- *table_entries = 0;
- return NULL;
-}
-
/* Locate the structure containing the platform specific bus access routines */
static const struct reg_script_bus_entry
*find_bus(const struct reg_script *step)
{
- const struct reg_script_bus_entry *bus;
+ extern const struct reg_script_bus_entry *_rsbe_init_begin[];
+ extern const struct reg_script_bus_entry *_ersbe_init_begin[];
+ const struct reg_script_bus_entry * const * bus;
size_t table_entries;
size_t i;
/* Locate the platform specific bus */
- bus = platform_bus_table(&table_entries);
+ bus = _rsbe_init_begin;
+ table_entries = &_ersbe_init_begin[0] - &_rsbe_init_begin[0];
for (i = 0; i < table_entries; i++) {
- if (bus[i].type == step->type)
- return &bus[i];
+ if (bus[i]->type == step->type)
+ return bus[i];
}
/* Bus not found */
return NULL;
}
-#endif
static uint64_t reg_script_read(struct reg_script_context *ctx)
{
@@ -443,7 +435,6 @@ static uint64_t reg_script_read(struct reg_script_context *ctx)
return reg_script_read_iosf(ctx);
#endif /* HAS_IOSF */
default:
-#ifndef __PRE_RAM__
{
const struct reg_script_bus_entry *bus;
@@ -452,7 +443,6 @@ static uint64_t reg_script_read(struct reg_script_context *ctx)
if (NULL != bus)
return bus->reg_script_read(ctx);
}
-#endif
printk(BIOS_ERR,
"Unsupported read type (0x%x) for this device!\n",
step->type);
@@ -487,7 +477,6 @@ static void reg_script_write(struct reg_script_context *ctx)
break;
#endif /* HAS_IOSF */
default:
-#ifndef __PRE_RAM__
{
const struct reg_script_bus_entry *bus;
@@ -498,7 +487,6 @@ static void reg_script_write(struct reg_script_context *ctx)
return;
}
}
-#endif
printk(BIOS_ERR,
"Unsupported write type (0x%x) for this device!\n",
step->type);
diff --git a/src/soc/intel/braswell/iosf.c b/src/soc/intel/braswell/iosf.c
index 98d1610ec3..9a267578f8 100644
--- a/src/soc/intel/braswell/iosf.c
+++ b/src/soc/intel/braswell/iosf.c
@@ -190,16 +190,10 @@ void reg_script_write_iosf(struct reg_script_context *ctx)
}
}
-const struct reg_script_bus_entry reg_script_bus_table[] = {
- {REG_SCRIPT_TYPE_IOSF, reg_script_read_iosf, reg_script_write_iosf}
+static const struct reg_script_bus_entry reg_script_bus_table = {
+ REG_SCRIPT_TYPE_IOSF, reg_script_read_iosf, reg_script_write_iosf
};
-const struct reg_script_bus_entry *platform_bus_table(size_t *table_entries)
-{
- /* Return the table size and address */
- *table_entries = sizeof(reg_script_bus_table)
- / sizeof(reg_script_bus_table[0]);
- return &reg_script_bus_table[0];
-}
+REG_SCRIPT_BUS_ENTRY(reg_script_bus_table);
#endif /* ENV_RAMSTAGE */