[coreboot-gerrit] Change in coreboot[master]: soc/ti/am335x: Map useable RAM

[Sam Lewis (Code Review)]

Sam Lewis has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/44388 )

Change subject: soc/ti/am335x: Map useable RAM
......................................................................

soc/ti/am335x: Map useable RAM

Maps the useable RAM so that it can be used for booting a payload.

TEST: Booted a simple ELF payload (that just flashes LEDs) on the
Beaglebone Black.

Change-Id: I7f657c97e4753071c90ba8ca800a96108807e6b9
Signed-off-by: Sam Lewis 
---
M src/soc/ti/am335x/soc.c
1 file changed, 8 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/44388/1

diff --git a/src/soc/ti/am335x/soc.c b/src/soc/ti/am335x/soc.c
index 0362ed9..99c651f 100644
--- a/src/soc/ti/am335x/soc.c
+++ b/src/soc/ti/am335x/soc.c
@@ -1,7 +1,15 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <device/device.h>
+#include <symbols.h>
+#include <bootmem.h>
+
+static void soc_enable(struct device *dev)
+{
+	ram_resource(dev, 0, (uintptr_t)_dram / KiB, CONFIG_DRAM_SIZE_MB * MiB / KiB);
+}

struct chip_operations soc_ti_am335x_ops = {
    CHIP_NAME("TI AM335X")
+	.enable_dev = soc_enable,
 };