treewide: Add Kconfig variable MEMLAYOUT_LD_FILE

This change defines a Kconfig variable MEMLAYOUT_LD_FILE which allows
SoC/mainboard to provide a linker file for the platform. x86 already
provides a default memlayout.ld under src/arch/x86. With this new
Kconfig variable, it is possible for the SoC/mainboard code for x86 to
provide a custom linker file as well.

Makefile.inc is updated for all architectures to use this new Kconfig
variable instead of assuming memlayout.ld files under a certain
path. All non-x86 boards used memlayout.ld under mainboard
directory. However, a lot of these boards were simply including the
memlayout from SoC. So, this change also updates these mainboards and
SoCs to define the Kconfig as required.

BUG=b:155322763
TEST=Verified that abuild with --timeless option results in the same
coreboot.rom image for all boards.

Change-Id: I6a7f96643ed0519c93967ea2c3bcd881a5d6a4d6
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42292
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/soc/qualcomm/ipq40xx/memlayout.ld b/src/soc/qualcomm/ipq40xx/memlayout.ld
new file mode 100644
index 0000000000..1a2dd31cc4
--- /dev/null
+++ b/src/soc/qualcomm/ipq40xx/memlayout.ld
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <memlayout.h>
+
+#include <arch/header.ld>
+
+#define REGION_START(name, addr)	SYMBOL(name, addr)
+#define REGION_END(name, addr)		SYMBOL(e##name, addr)
+
+SECTIONS
+{
+	REGION(oc_imem, 0x08600000, 32K, 0)
+
+	/* ==vvv== OC_IMEM_1_START	0x08600000 ==vvv== */
+/*	DDR(0x08600000, 32K) */
+	/* ==^^^== OC_IMEM_1_END	0x08608000 ==^^^== */
+
+	/* ==vvv== WIFI_IMEM_0_START	0x0A0C0000 ==vvv== */
+	REGION_START(wifi_imem_0, 0x0A0C0000)
+	/* This includes bootblock image, can be reused after bootblock starts */
+/*	UBER_SBL(0x0A0C0000, 48K) */
+
+	PRERAM_CBFS_CACHE(0x0A0C0000, 92K)
+	FMAP_CACHE(0x0A0EF800, 2K)
+
+	TTB(0x0A0F0000, 16K)
+	TTB_SUBTABLES(0x0A0F4000, 4K)
+	REGION_END(wifi_imem_0, 0x0A100000)
+	/* ==^^^== WIFI_IMEM_0_END	0x0A100000 ==^^^== */
+
+
+	/* ==vvv== WIFI_IMEM_1_START	0x0A8C0000 ==vvv== */
+	REGION_START(wifi_imem_1, 0x0A8C0000)
+	BOOTBLOCK(0x0A8C0000, 24K)
+	OVERLAP_VERSTAGE_ROMSTAGE(0x0A8C6000, 64K)
+	VBOOT2_WORK(0x0A8D6000, 12K)
+	PRERAM_CBMEM_CONSOLE(0x0A8DA000, 32K)
+	TIMESTAMP(0x0A8E2000, 1K)
+
+/*	0x0A8E2400..0x0A8FC000  103 KB free */
+
+	STACK(0x0A8FC000, 16K)
+	REGION_END(wifi_imem_1, 0x0A900000)
+	/* ==^^^== WIFI_IMEM_1_END	0x0A900000 ==^^^== */
+
+	DRAM_START(0x80000000)
+	SYMBOL(memlayout_cbmem_top, 0x87280000)
+	POSTRAM_CBFS_CACHE(0x87280000, 512K)
+	RAMSTAGE(0x87300000, 512K)
+	DMA_COHERENT(0x87400000, 2M)
+}