From: Suman Anna
Add basic support for AM62 SK. This has 2GB DDR.
Note that stack for R5 SPL is in OCRAM @ 0x7000 so that is away from
BSS and does not step on BSS section
Add only the bare minimum required to support UART and SD.
Signed-off-by: Suman Anna
Signed-off-by: Aswath Govindraju
Signed-off-by: Nishanth Menon
Signed-off-by: Vignesh Raghavendra
---
arch/arm/mach-k3/Kconfig | 1 +
board/ti/am62x/Kconfig | 59
board/ti/am62x/Makefile | 8 ++
board/ti/am62x/evm.c | 39 ++
4 files changed, 107 insertions(+)
create mode 100644 board/ti/am62x/Kconfig
create mode 100644 board/ti/am62x/Makefile
create mode 100644 board/ti/am62x/evm.c
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 0dc4f44fdd..57f693e9a1 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -178,6 +178,7 @@ config K3_DM_FW
source "board/ti/am65x/Kconfig"
source "board/ti/am64x/Kconfig"
+source "board/ti/am62x/Kconfig"
source "board/ti/j721e/Kconfig"
source "board/siemens/iot2050/Kconfig"
source "board/ti/j721s2/Kconfig"
diff --git a/board/ti/am62x/Kconfig b/board/ti/am62x/Kconfig
new file mode 100644
index 00..87fed44df1
--- /dev/null
+++ b/board/ti/am62x/Kconfig
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
+# Suman Anna
+
+choice
+ prompt "TI K3 AM62x based boards"
+ optional
+
+config TARGET_AM625_A53_EVM
+ bool "TI K3 based AM625 EVM running on A53"
+ select ARM64
+ select SOC_K3_AM625
+
+config TARGET_AM625_R5_EVM
+ bool "TI K3 based AM625 EVM running on R5"
+ select CPU_V7R
+ select SYS_THUMB_BUILD
+ select K3_LOAD_SYSFW
+ select SOC_K3_AM625
+ select RAM
+ select SPL_RAM
+ select K3_DDRSS
+ imply SYS_K3_SPL_ATF
+
+endchoice
+
+if TARGET_AM625_A53_EVM
+
+config SYS_BOARD
+ default "am62x"
+
+config SYS_VENDOR
+ default "ti"
+
+config SYS_CONFIG_NAME
+ default "am62x_evm"
+
+source "board/ti/common/Kconfig"
+
+endif
+
+if TARGET_AM625_R5_EVM
+
+config SYS_BOARD
+ default "am62x"
+
+config SYS_VENDOR
+ default "ti"
+
+config SYS_CONFIG_NAME
+ default "am62x_evm"
+
+config SPL_LDSCRIPT
+ default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+source "board/ti/common/Kconfig"
+
+endif
diff --git a/board/ti/am62x/Makefile b/board/ti/am62x/Makefile
new file mode 100644
index 00..f4c35edffa
--- /dev/null
+++ b/board/ti/am62x/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
+# Suman Anna
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += evm.o
diff --git a/board/ti/am62x/evm.c b/board/ti/am62x/evm.c
new file mode 100644
index 00..4dd5e64299
--- /dev/null
+++ b/board/ti/am62x/evm.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for AM62x platforms
+ *
+ * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
+ * Suman Anna
+ *
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = 0x8000;
+
+ return 0;
+}
+
+int dram_init_banksize(void)
+{
+ /* Bank 0 declares the memory available in the DDR low region */
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = 0x8000;
+ gd->ram_size = 0x8000;
+
+ return 0;
+}
--
2.36.1
