arm: K3: Add support for AM654 SoC definition

The AM654 device is designed for industrial automation and PLC controller class platforms among other applications. Introduce base support for AM654 SoC. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>

arm: K3: Add support for AM654 SoC definition
The AM654 device is designed for industrial automation and PLC controller class platforms among other applications. Introduce base support for AM654 SoC. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
Lokesh Vutla · Tom Rini
1 parent 586bde93eb
Showing 4 changed files with 85 additions and 0 deletions Side-by-side Diff
arch/arm/mach-k3/Kconfig
arch/arm/mach-k3/Makefile
arch/arm/mach-k3/am6_init.c
arch/arm/mach-k3/include/mach/clock.h
@@ -4,10 +4,41 @@
 	prompt "Texas Instruments' K3 based SoC select"
 	optional
  
+config SOC_K3_AM6
+	bool "TI's K3 based AM6 SoC Family Support"
+
 endchoice
  
 config SYS_SOC
 	default "k3"
+
+config SYS_K3_NON_SECURE_MSRAM_SIZE
+	hex
+	default 0x80000
+	help
+	  Describes the total size of the MCU MSRAM. This doesn't
+	  specify the total size of SPL as ROM can use some part
+	  of this RAM. Once ROM gives control to SPL then this
+	  complete size can be usable.
+
+config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
+	hex
+	default 0x58000
+	help
+	  Describes the maximum size of the image that ROM can download
+	  from any boot media.
+
+config SYS_K3_MCU_SCRATCHPAD_BASE
+	hex
+	default 0x40280000 if SOC_K3_AM6
+	help
+	  Describes the base address of MCU Scratchpad RAM.
+
+config SYS_K3_MCU_SCRATCHPAD_SIZE
+	hex
+	default 0x200 if SOC_K3_AM6
+	help
+	  Describes the size of MCU Scratchpad RAM.
  
 endif
+# SPDX-License-Identifier:	GPL-2.0+
+#
+# Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+#	Lokesh Vutla <lokeshvutla@ti.com>
+
+obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * K3: Architecture initialization
+ *
+ * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#include <common.h>
+#include <spl.h>
+
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong dummy)
+{
+	/* Init DM early in-order to invoke system controller */
+	spl_early_init();
+
+	/* Prepare console output */
+	preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_RAM;
+}
+#endif
+
+#ifndef CONFIG_SYSRESET
+void reset_cpu(ulong ignored)
+{
+}
+#endif
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: Common SoC clock definitions.
+ *
+ * (C) Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#include <config.h>
+
+/* Clock Defines */
+#define V_OSCK				24000000
+#define V_SCLK				V_OSCK
+
+#endif /* __ASM_ARCH_CLOCK_H */
...	...	@@ -4,10 +4,41 @@
4	4	prompt "Texas Instruments' K3 based SoC select"
5	5	optional
6	6
	7	+config SOC_K3_AM6
	8	+ bool "TI's K3 based AM6 SoC Family Support"
	9	+
7	10	endchoice
8	11
9	12	config SYS_SOC
10	13	default "k3"
	14	+
	15	+config SYS_K3_NON_SECURE_MSRAM_SIZE
	16	+ hex
	17	+ default 0x80000
	18	+ help
	19	+ Describes the total size of the MCU MSRAM. This doesn't
	20	+ specify the total size of SPL as ROM can use some part
	21	+ of this RAM. Once ROM gives control to SPL then this
	22	+ complete size can be usable.
	23	+
	24	+config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
	25	+ hex
	26	+ default 0x58000
	27	+ help
	28	+ Describes the maximum size of the image that ROM can download
	29	+ from any boot media.
	30	+
	31	+config SYS_K3_MCU_SCRATCHPAD_BASE
	32	+ hex
	33	+ default 0x40280000 if SOC_K3_AM6
	34	+ help
	35	+ Describes the base address of MCU Scratchpad RAM.
	36	+
	37	+config SYS_K3_MCU_SCRATCHPAD_SIZE
	38	+ hex
	39	+ default 0x200 if SOC_K3_AM6
	40	+ help
	41	+ Describes the size of MCU Scratchpad RAM.
11	42
12	43	endif
	1	+# SPDX-License-Identifier: GPL-2.0+
	2	+#
	3	+# Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
	4	+# Lokesh Vutla <lokeshvutla@ti.com>
	5	+
	6	+obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
	1	+// SPDX-License-Identifier: GPL-2.0+
	2	+/*
	3	+ * K3: Architecture initialization
	4	+ *
	5	+ * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
	6	+ * Lokesh Vutla <lokeshvutla@ti.com>
	7	+ */
	8	+
	9	+#include <common.h>
	10	+#include <spl.h>
	11	+
	12	+#ifdef CONFIG_SPL_BUILD
	13	+void board_init_f(ulong dummy)
	14	+{
	15	+ /* Init DM early in-order to invoke system controller */
	16	+ spl_early_init();
	17	+
	18	+ /* Prepare console output */
	19	+ preloader_console_init();
	20	+}
	21	+
	22	+u32 spl_boot_device(void)
	23	+{
	24	+ return BOOT_DEVICE_RAM;
	25	+}
	26	+#endif
	27	+
	28	+#ifndef CONFIG_SYSRESET
	29	+void reset_cpu(ulong ignored)
	30	+{
	31	+}
	32	+#endif
	1	+/* SPDX-License-Identifier: GPL-2.0+ */
	2	+/*
	3	+ * K3: Common SoC clock definitions.
	4	+ *
	5	+ * (C) Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
	6	+ */
	7	+#ifndef __ASM_ARCH_CLOCK_H
	8	+#define __ASM_ARCH_CLOCK_H
	9	+
	10	+#include <config.h>
	11	+
	12	+/* Clock Defines */
	13	+#define V_OSCK 24000000
	14	+#define V_SCLK V_OSCK
	15	+
	16	+#endif /* __ASM_ARCH_CLOCK_H */