[PATCH v2 03/10] arm: K3: Add basic support for J784S4 SoC definition
Hari Nagalla
hnagalla at ti.com
Tue Mar 21 15:10:21 CET 2023
Signed-off-by: Apurva Nandan <a-nandan at ti.com>
Signed-off-by: Bryan Bratloff <bb at ti.com>
Signed-off-by: Nishant Menon <nm at ti.com>
Signed-off-by: Hari Nagalla <hnagalla at ti.com>
---
arch/arm/mach-k3/Kconfig | 16 +-
arch/arm/mach-k3/Makefile | 2 +
arch/arm/mach-k3/arm64-mmu.c | 41 +++
arch/arm/mach-k3/include/mach/hardware.h | 4 +
.../mach-k3/include/mach/j784s4_hardware.h | 41 +++
arch/arm/mach-k3/include/mach/j784s4_spl.h | 46 +++
arch/arm/mach-k3/include/mach/spl.h | 6 +-
arch/arm/mach-k3/j784s4/Makefile | 5 +
arch/arm/mach-k3/j784s4/dev-data.c | 97 ++++++
arch/arm/mach-k3/j784s4_init.c | 319 ++++++++++++++++++
board/ti/j784s4/j784s4.env | 108 ++++++
include/configs/j784s4_evm.h | 49 +++
12 files changed, 727 insertions(+), 7 deletions(-)
create mode 100644 arch/arm/mach-k3/include/mach/j784s4_hardware.h
create mode 100644 arch/arm/mach-k3/include/mach/j784s4_spl.h
create mode 100644 arch/arm/mach-k3/j784s4/Makefile
create mode 100644 arch/arm/mach-k3/j784s4/dev-data.c
create mode 100644 arch/arm/mach-k3/j784s4_init.c
create mode 100644 board/ti/j784s4/j784s4.env
create mode 100644 include/configs/j784s4_evm.h
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index a8c3a593d5..3a9be0a590 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -22,6 +22,9 @@ config SOC_K3_AM625
config SOC_K3_AM62A7
bool "TI's K3 based AM62A7 SoC Family Support"
+config SOC_K3_J784S4
+ bool "TI's K3 based J784S4 SoC Family Support"
+
endchoice
config SYS_SOC
@@ -30,7 +33,7 @@ config SYS_SOC
config SYS_K3_NON_SECURE_MSRAM_SIZE
hex
default 0x80000 if SOC_K3_AM654
- default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2
+ default 0x100000 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4
default 0x1c0000 if SOC_K3_AM642
default 0x3c000 if SOC_K3_AM625 || SOC_K3_AM62A7
help
@@ -42,7 +45,7 @@ config SYS_K3_NON_SECURE_MSRAM_SIZE
config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
hex
default 0x58000 if SOC_K3_AM654
- default 0xc0000 if SOC_K3_J721E || SOC_K3_J721S2
+ default 0xc0000 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4
default 0x180000 if SOC_K3_AM642
default 0x38000 if SOC_K3_AM625 || SOC_K3_AM62A7
help
@@ -52,14 +55,14 @@ config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
config SYS_K3_MCU_SCRATCHPAD_BASE
hex
default 0x40280000 if SOC_K3_AM654
- default 0x40280000 if SOC_K3_J721E || SOC_K3_J721S2
+ default 0x40280000 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4
help
Describes the base address of MCU Scratchpad RAM.
config SYS_K3_MCU_SCRATCHPAD_SIZE
hex
default 0x200 if SOC_K3_AM654
- default 0x200 if SOC_K3_J721E || SOC_K3_J721S2
+ default 0x200 if SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_J784S4
help
Describes the size of MCU Scratchpad RAM.
@@ -67,7 +70,7 @@ config SYS_K3_BOOT_PARAM_TABLE_INDEX
hex
default 0x41c7fbfc if SOC_K3_AM654
default 0x41cffbfc if SOC_K3_J721E
- default 0x41cfdbfc if SOC_K3_J721S2
+ default 0x41cfdbfc if SOC_K3_J721S2 || SOC_K3_J784S4
default 0x701bebfc if SOC_K3_AM642
default 0x43c3f290 if SOC_K3_AM625
default 0x43c3f290 if SOC_K3_AM62A7 && CPU_V7R
@@ -172,7 +175,7 @@ config K3_ATF_LOAD_ADDR
config K3_DM_FW
bool "Separate DM firmware image"
- depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
+ depends on SPL && CPU_V7R && (SOC_K3_J721E || SOC_K3_J721S2 || SOC_K3_AM625 || SOC_K3_AM62A7 || SOC_K3_J784S4) && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN
default y
help
Enabling this will indicate that the system has separate DM
@@ -194,4 +197,5 @@ source "board/ti/am62ax/Kconfig"
source "board/ti/j721e/Kconfig"
source "board/siemens/iot2050/Kconfig"
source "board/ti/j721s2/Kconfig"
+source "board/ti/j784s4/Kconfig"
endif
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
index b5bc236781..14cf85ad38 100644
--- a/arch/arm/mach-k3/Makefile
+++ b/arch/arm/mach-k3/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_SOC_K3_J721E) += j721e/ j7200/
obj-$(CONFIG_SOC_K3_J721S2) += j721s2/
obj-$(CONFIG_SOC_K3_AM625) += am62x/
obj-$(CONFIG_SOC_K3_AM62A7) += am62ax/
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4/
obj-$(CONFIG_ARM64) += arm64-mmu.o
obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
obj-$(CONFIG_ARM64) += cache.o
@@ -17,6 +18,7 @@ obj-$(CONFIG_SOC_K3_J721S2) += j721s2_init.o
obj-$(CONFIG_SOC_K3_AM642) += am642_init.o
obj-$(CONFIG_SOC_K3_AM625) += am625_init.o
obj-$(CONFIG_SOC_K3_AM62A7) += am62a7_init.o
+obj-$(CONFIG_SOC_K3_J784S4) += j784s4_init.o
obj-$(CONFIG_K3_LOAD_SYSFW) += sysfw-loader.o
endif
obj-y += common.o security.o
diff --git a/arch/arm/mach-k3/arm64-mmu.c b/arch/arm/mach-k3/arm64-mmu.c
index 88687c2d09..610ff19696 100644
--- a/arch/arm/mach-k3/arm64-mmu.c
+++ b/arch/arm/mach-k3/arm64-mmu.c
@@ -264,3 +264,44 @@ struct mm_region am64_mem_map[NR_MMU_REGIONS] = {
struct mm_region *mem_map = am64_mem_map;
#endif /* CONFIG_SOC_K3_AM642 || CONFIG_SOC_K3_AM625 || CONFIG_SOC_K3_AM62A7 */
+
+#if defined(CONFIG_SOC_K3_J784S4)
+#define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 3)
+
+/* ToDo: Add 64bit IO */
+struct mm_region j784s4_mem_map[NR_MMU_REGIONS] = {
+ {
+ .virt = 0x0UL,
+ .phys = 0x0UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ .virt = 0x80000000UL,
+ .phys = 0x80000000UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x880000000UL,
+ .phys = 0x880000000UL,
+ .size = 0x80000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0x500000000UL,
+ .phys = 0x500000000UL,
+ .size = 0x400000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
+struct mm_region *mem_map = j784s4_mem_map;
+
+#endif /* CONFIG_SOC_K3_J784S4 */
diff --git a/arch/arm/mach-k3/include/mach/hardware.h b/arch/arm/mach-k3/include/mach/hardware.h
index 2c60ef8543..77f36c6707 100644
--- a/arch/arm/mach-k3/include/mach/hardware.h
+++ b/arch/arm/mach-k3/include/mach/hardware.h
@@ -30,6 +30,10 @@
#include "am62a_hardware.h"
#endif
+#ifdef CONFIG_SOC_K3_J784S4
+#include "j784s4_hardware.h"
+#endif
+
/* Assuming these addresses and definitions stay common across K3 devices */
#define CTRLMMR_WKUP_JTAG_ID (WKUP_CTRL_MMR0_BASE + 0x14)
#define JTAG_ID_VARIANT_SHIFT 28
diff --git a/arch/arm/mach-k3/include/mach/j784s4_hardware.h b/arch/arm/mach-k3/include/mach/j784s4_hardware.h
new file mode 100644
index 0000000000..afcf39c45d
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j784s4_hardware.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: J784S4 SoC definitions, structures etc.
+ *
+ * (C) Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef __ASM_ARCH_J784S4_HARDWARE_H
+#define __ASM_ARCH_J784S4_HARDWARE_H
+
+#include <config.h>
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
+#define WKUP_CTRL_MMR0_BASE 0x43000000
+#define MCU_CTRL_MMR0_BASE 0x40f00000
+#define CTRL_MMR0_BASE 0x00100000
+
+#define CTRLMMR_MAIN_DEVSTAT (CTRL_MMR0_BASE + 0x30)
+#define MAIN_DEVSTAT_BOOT_MODE_B_MASK BIT(0)
+#define MAIN_DEVSTAT_BOOT_MODE_B_SHIFT 0
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_MASK GENMASK(3, 1)
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT 1
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK BIT(6)
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT 6
+#define MAIN_DEVSTAT_BKUP_MMC_PORT_MASK BIT(7)
+#define MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT 7
+
+#define CTRLMMR_WKUP_DEVSTAT (WKUP_CTRL_MMR0_BASE + 0x30)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK GENMASK(5, 3)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3
+#define WKUP_DEVSTAT_MCU_OMLY_MASK BIT(6)
+#define WKUP_DEVSTAT_MCU_ONLY_SHIFT 6
+
+/* ROM HANDOFF Structure location */
+#define ROM_EXTENDED_BOOT_DATA_INFO 0x41cfdb00
+
+/* MCU SCRATCHPAD usage */
+#define TI_SRAM_SCRATCH_BOARD_EEPROM_START CONFIG_SYS_K3_MCU_SCRATCHPAD_BASE
+
+#endif /* __ASM_ARCH_J784S4_HARDWARE_H */
diff --git a/arch/arm/mach-k3/include/mach/j784s4_spl.h b/arch/arm/mach-k3/include/mach/j784s4_spl.h
new file mode 100644
index 0000000000..d312a57e69
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/j784s4_spl.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/
+ * David Huang <d-huang at ti.com>
+ */
+#ifndef _ASM_ARCH_J784S4_SPL_H_
+#define _ASM_ARCH_J784S4_SPL_H_
+
+/* With BootMode B = 0 */
+#include <linux/bitops.h>
+#define BOOT_DEVICE_HYPERFLASH 0x00
+#define BOOT_DEVICE_OSPI 0x01
+#define BOOT_DEVICE_QSPI 0x02
+#define BOOT_DEVICE_SPI 0x03
+#define BOOT_DEVICE_ETHERNET 0x04
+#define BOOT_DEVICE_I2C 0x06
+#define BOOT_DEVICE_UART 0x07
+#define BOOT_DEVICE_NOR BOOT_DEVICE_HYPERFLASH
+
+/* With BootMode B = 1 */
+#define BOOT_DEVICE_MMC2 0x10
+#define BOOT_DEVICE_MMC1 0x11
+#define BOOT_DEVICE_DFU 0x12
+#define BOOT_DEVICE_UFS 0x13
+#define BOOT_DEVIE_GPMC 0x14
+#define BOOT_DEVICE_PCIE 0x15
+#define BOOT_DEVICE_XSPI 0x16
+#define BOOT_DEVICE_RAM 0x17
+#define BOOT_DEVICE_MMC2_2 0xFF /* Invalid value */
+
+/* Backup boot modes with MCU Only = 0 */
+#define BACKUP_BOOT_DEVICE_RAM 0x0
+#define BACKUP_BOOT_DEVICE_USB 0x1
+#define BACKUP_BOOT_DEVICE_UART 0x3
+#define BACKUP_BOOT_DEVICE_ETHERNET 0x4
+#define BACKUP_BOOT_DEVICE_MMC2 0x5
+#define BACKUP_BOOT_DEVICE_SPI 0x6
+#define BACKUP_BOOT_DEVICE_I2C 0x7
+
+#define BOOT_MODE_B_SHIFT 4
+#define BOOT_MODE_B_MASK BIT(4)
+
+#define K3_PRIMARY_BOOTMODE 0x0
+#define K3_BACKUP_BOOTMODE 0x1
+
+#endif
diff --git a/arch/arm/mach-k3/include/mach/spl.h b/arch/arm/mach-k3/include/mach/spl.h
index 356cd89210..82f57347e6 100644
--- a/arch/arm/mach-k3/include/mach/spl.h
+++ b/arch/arm/mach-k3/include/mach/spl.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
- * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
* Lokesh Vutla <lokeshvutla at ti.com>
*/
#ifndef _ASM_ARCH_SPL_H_
@@ -30,4 +30,8 @@
#include "am62a_spl.h"
#endif
+#ifdef CONFIG_SOC_K3_J784S4
+#include "j784s4_spl.h"
+#endif
+
#endif /* _ASM_ARCH_SPL_H_ */
diff --git a/arch/arm/mach-k3/j784s4/Makefile b/arch/arm/mach-k3/j784s4/Makefile
new file mode 100644
index 0000000000..d8bb3c7719
--- /dev/null
+++ b/arch/arm/mach-k3/j784s4/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/
+obj-y += clk-data.o
+obj-y += dev-data.o
diff --git a/arch/arm/mach-k3/j784s4/dev-data.c b/arch/arm/mach-k3/j784s4/dev-data.c
new file mode 100644
index 0000000000..e44afad3ec
--- /dev/null
+++ b/arch/arm/mach-k3/j784s4/dev-data.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * J784S4 specific device platform data
+ *
+ * This file is auto generated. Please do not hand edit and report any issues
+ * to Bryan Brattlof <bb at ti.com>.
+ *
+ * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include "k3-dev.h"
+
+static struct ti_psc soc_psc_list[] = {
+ [0] = PSC(0, 0x42000000),
+ [1] = PSC(1, 0x00420000),
+ [2] = PSC(2, 0x00400000),
+};
+
+static struct ti_pd soc_pd_list[] = {
+ [0] = PSC_PD(0, &soc_psc_list[0], NULL),
+ [1] = PSC_PD(3, &soc_psc_list[1], NULL),
+ [2] = PSC_PD(0, &soc_psc_list[2], NULL),
+ [3] = PSC_PD(1, &soc_psc_list[2], &soc_pd_list[2]),
+ [4] = PSC_PD(14, &soc_psc_list[2], NULL),
+ [5] = PSC_PD(15, &soc_psc_list[2], &soc_pd_list[4]),
+ [6] = PSC_PD(16, &soc_psc_list[2], &soc_pd_list[4]),
+ [7] = PSC_PD(38, &soc_psc_list[2], NULL),
+};
+
+static struct ti_lpsc soc_lpsc_list[] = {
+ [0] = PSC_LPSC(0, &soc_psc_list[0], &soc_pd_list[0], NULL),
+ [1] = PSC_LPSC(3, &soc_psc_list[0], &soc_pd_list[0], NULL),
+ [2] = PSC_LPSC(10, &soc_psc_list[0], &soc_pd_list[0], NULL),
+ [3] = PSC_LPSC(11, &soc_psc_list[0], &soc_pd_list[0], NULL),
+ [4] = PSC_LPSC(12, &soc_psc_list[0], &soc_pd_list[0], NULL),
+ [5] = PSC_LPSC(12, &soc_psc_list[1], &soc_pd_list[1], &soc_lpsc_list[6]),
+ [6] = PSC_LPSC(13, &soc_psc_list[1], &soc_pd_list[1], NULL),
+ [7] = PSC_LPSC(0, &soc_psc_list[2], &soc_pd_list[2], NULL),
+ [8] = PSC_LPSC(9, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[2]),
+ [9] = PSC_LPSC(14, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[10]),
+ [10] = PSC_LPSC(15, &soc_psc_list[2], &soc_pd_list[2], NULL),
+ [11] = PSC_LPSC(16, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[12]),
+ [12] = PSC_LPSC(17, &soc_psc_list[2], &soc_pd_list[2], NULL),
+ [13] = PSC_LPSC(20, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[5]),
+ [14] = PSC_LPSC(23, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[5]),
+ [15] = PSC_LPSC(25, &soc_psc_list[2], &soc_pd_list[2], &soc_lpsc_list[5]),
+ [16] = PSC_LPSC(43, &soc_psc_list[2], &soc_pd_list[3], NULL),
+ [17] = PSC_LPSC(45, &soc_psc_list[2], &soc_pd_list[3], NULL),
+ [18] = PSC_LPSC(78, &soc_psc_list[2], &soc_pd_list[4], NULL),
+ [19] = PSC_LPSC(80, &soc_psc_list[2], &soc_pd_list[5], &soc_lpsc_list[18]),
+ [20] = PSC_LPSC(81, &soc_psc_list[2], &soc_pd_list[6], &soc_lpsc_list[18]),
+ [21] = PSC_LPSC(120, &soc_psc_list[2], &soc_pd_list[7], &soc_lpsc_list[22]),
+ [22] = PSC_LPSC(121, &soc_psc_list[2], &soc_pd_list[7], NULL),
+};
+
+static struct ti_dev soc_dev_list[] = {
+ PSC_DEV(160, &soc_lpsc_list[0]),
+ PSC_DEV(161, &soc_lpsc_list[0]),
+ PSC_DEV(162, &soc_lpsc_list[0]),
+ PSC_DEV(243, &soc_lpsc_list[0]),
+ PSC_DEV(149, &soc_lpsc_list[0]),
+ PSC_DEV(167, &soc_lpsc_list[1]),
+ PSC_DEV(279, &soc_lpsc_list[1]),
+ PSC_DEV(161, &soc_lpsc_list[2]),
+ PSC_DEV(162, &soc_lpsc_list[3]),
+ PSC_DEV(160, &soc_lpsc_list[4]),
+ PSC_DEV(139, &soc_lpsc_list[5]),
+ PSC_DEV(194, &soc_lpsc_list[6]),
+ PSC_DEV(78, &soc_lpsc_list[7]),
+ PSC_DEV(61, &soc_lpsc_list[8]),
+ PSC_DEV(131, &soc_lpsc_list[9]),
+ PSC_DEV(191, &soc_lpsc_list[10]),
+ PSC_DEV(132, &soc_lpsc_list[11]),
+ PSC_DEV(192, &soc_lpsc_list[12]),
+ PSC_DEV(398, &soc_lpsc_list[13]),
+ PSC_DEV(141, &soc_lpsc_list[14]),
+ PSC_DEV(140, &soc_lpsc_list[15]),
+ PSC_DEV(146, &soc_lpsc_list[16]),
+ PSC_DEV(392, &soc_lpsc_list[17]),
+ PSC_DEV(395, &soc_lpsc_list[17]),
+ PSC_DEV(198, &soc_lpsc_list[18]),
+ PSC_DEV(202, &soc_lpsc_list[19]),
+ PSC_DEV(203, &soc_lpsc_list[20]),
+ PSC_DEV(133, &soc_lpsc_list[21]),
+ PSC_DEV(193, &soc_lpsc_list[22]),
+};
+
+const struct ti_k3_pd_platdata j784s4_pd_platdata = {
+ .psc = soc_psc_list,
+ .pd = soc_pd_list,
+ .lpsc = soc_lpsc_list,
+ .devs = soc_dev_list,
+ .num_psc = 3,
+ .num_pd = 8,
+ .num_lpsc = 23,
+ .num_devs = 29,
+};
diff --git a/arch/arm/mach-k3/j784s4_init.c b/arch/arm/mach-k3/j784s4_init.c
new file mode 100644
index 0000000000..e2c7624cd6
--- /dev/null
+++ b/arch/arm/mach-k3/j784s4_init.c
@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * J784S4: SoC specific initialization
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - http://www.ti.com/
+ * Hari Nagalla <hnagalla at ti.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/armv7_mpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sysfw-loader.h>
+#include "common.h"
+#include <asm/arch/sys_proto.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/pinctrl.h>
+#include <mmc.h>
+#include <remoteproc.h>
+
+static void ctrl_mmr_unlock(void)
+{
+ /* Unlock all WKUP_CTRL_MMR0 module registers */
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 0);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 1);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 2);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 3);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 4);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 6);
+ mmr_unlock(WKUP_CTRL_MMR0_BASE, 7);
+
+ /* Unlock all MCU_CTRL_MMR0 module registers */
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 0);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 1);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 2);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 3);
+ mmr_unlock(MCU_CTRL_MMR0_BASE, 4);
+
+ /* Unlock all CTRL_MMR0 module registers */
+ mmr_unlock(CTRL_MMR0_BASE, 0);
+ mmr_unlock(CTRL_MMR0_BASE, 1);
+ mmr_unlock(CTRL_MMR0_BASE, 2);
+ mmr_unlock(CTRL_MMR0_BASE, 3);
+ mmr_unlock(CTRL_MMR0_BASE, 5);
+ mmr_unlock(CTRL_MMR0_BASE, 7);
+}
+
+void k3_mmc_stop_clock(void)
+{
+ if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) {
+ if (spl_boot_device() == BOOT_DEVICE_MMC1) {
+ struct mmc *mmc = find_mmc_device(0);
+
+ if (!mmc)
+ return;
+
+ mmc->saved_clock = mmc->clock;
+ mmc_set_clock(mmc, 0, true);
+ }
+ }
+}
+
+void k3_mmc_restart_clock(void)
+{
+ if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) {
+ if (spl_boot_device() == BOOT_DEVICE_MMC1) {
+ struct mmc *mmc = find_mmc_device(0);
+
+ if (!mmc)
+ return;
+
+ mmc_set_clock(mmc, mmc->saved_clock, false);
+ }
+ }
+}
+
+/*
+ * This uninitialized global variable would normal end up in the .bss section,
+ * but the .bss is cleared between writing and reading this variable, so move
+ * it to the .data section.
+ */
+u32 bootindex __section(".data");
+static struct rom_extended_boot_data bootdata __section(".data");
+
+static void store_boot_info_from_rom(void)
+{
+ bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);
+ memcpy(&bootdata, (uintptr_t *)ROM_EXTENDED_BOOT_DATA_INFO,
+ sizeof(struct rom_extended_boot_data));
+}
+
+void board_init_f(ulong dummy)
+{
+ struct udevice *dev;
+ int ret;
+
+ /*
+ * Cannot delay this further as there is a chance that
+ * K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section.
+ */
+ store_boot_info_from_rom();
+
+ /* Make all control module registers accessible */
+ ctrl_mmr_unlock();
+
+ if (IS_ENABLED(CONFIG_CPU_V7R)) {
+ disable_linefill_optimization();
+ setup_k3_mpu_regions();
+ }
+
+ /* Init DM early */
+ ret = spl_early_init();
+
+ /* Prepare console output */
+ preloader_console_init();
+
+ if (IS_ENABLED(CONFIG_K3_LOAD_SYSFW)) {
+ /*
+ * Process pinctrl for the serial0 a.k.a. WKUP_UART0 module and continue
+ * regardless of the result of pinctrl. Do this without probing the
+ * device, but instead by searching the device that would request the
+ * given sequence number if probed. The UART will be used by the system
+ * firmware (SYSFW) image for various purposes and SYSFW depends on us
+ * to initialize its pin settings.
+ */
+ ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, &dev);
+ if (!ret)
+ pinctrl_select_state(dev, "default");
+
+ /*
+ * Load, start up, and configure system controller firmware. Provide
+ * the U-Boot console init function to the SYSFW post-PM configuration
+ * callback hook, effectively switching on (or over) the console
+ * output.
+ */
+ k3_sysfw_loader(is_rom_loaded_sysfw(&bootdata),
+ k3_mmc_stop_clock, k3_mmc_restart_clock);
+
+ if (IS_ENABLED(CONFIG_SPL_CLK_K3)) {
+ /*
+ * Force probe of clk_k3 driver here to ensure basic default clock
+ * configuration is always done for enabling PM services.
+ */
+ ret = uclass_get_device_by_driver(UCLASS_CLK,
+ DM_DRIVER_GET(ti_clk),
+ &dev);
+ if (ret)
+ panic("Failed to initialize clk-k3!\n");
+ }
+ }
+
+ /* Output System Firmware version info */
+ k3_sysfw_print_ver();
+
+ if (IS_ENABLED(CONFIG_TARGET_J784S4_R5_EVM)) {
+ ret = uclass_get_device_by_name(UCLASS_MISC, "msmc", &dev);
+ if (ret)
+ panic("Probe of msmc failed: %d\n", ret);
+
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret)
+ panic("DRAM 0 init failed: %d\n", ret);
+
+ ret = uclass_next_device_err(&dev);
+ if (ret)
+ panic("DRAM 1 init failed: %d\n", ret);
+
+ ret = uclass_next_device_err(&dev);
+ if (ret)
+ panic("DRAM 2 init failed: %d\n", ret);
+
+ ret = uclass_next_device_err(&dev);
+ if (ret)
+ panic("DRAM 3 init failed: %d\n", ret);
+ }
+
+ spl_enable_dcache();
+}
+
+u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
+{
+ switch (boot_device) {
+ case BOOT_DEVICE_MMC1:
+ return MMCSD_MODE_EMMCBOOT;
+ case BOOT_DEVICE_MMC2:
+ return MMCSD_MODE_FS;
+ default:
+ return MMCSD_MODE_RAW;
+ }
+}
+
+static u32 __get_backup_bootmedia(u32 main_devstat)
+{
+ u32 bkup_boot = (main_devstat & MAIN_DEVSTAT_BKUP_BOOTMODE_MASK) >>
+ MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT;
+
+ switch (bkup_boot) {
+ case BACKUP_BOOT_DEVICE_USB:
+ return BOOT_DEVICE_DFU;
+ case BACKUP_BOOT_DEVICE_UART:
+ return BOOT_DEVICE_UART;
+ case BACKUP_BOOT_DEVICE_ETHERNET:
+ return BOOT_DEVICE_ETHERNET;
+ case BACKUP_BOOT_DEVICE_MMC2:
+ {
+ u32 port = (main_devstat & MAIN_DEVSTAT_BKUP_MMC_PORT_MASK) >>
+ MAIN_DEVSTAT_BKUP_MMC_PORT_SHIFT;
+ if (port == 0x0)
+ return BOOT_DEVICE_MMC1;
+ return BOOT_DEVICE_MMC2;
+ }
+ case BACKUP_BOOT_DEVICE_SPI:
+ return BOOT_DEVICE_SPI;
+ case BACKUP_BOOT_DEVICE_I2C:
+ return BOOT_DEVICE_I2C;
+ }
+
+ return BOOT_DEVICE_RAM;
+}
+
+static u32 __get_primary_bootmedia(u32 main_devstat, u32 wkup_devstat)
+{
+ u32 bootmode = (wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
+ WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
+
+ bootmode |= (main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) <<
+ BOOT_MODE_B_SHIFT;
+
+ if (bootmode == BOOT_DEVICE_OSPI || bootmode == BOOT_DEVICE_QSPI ||
+ bootmode == BOOT_DEVICE_XSPI)
+ bootmode = BOOT_DEVICE_SPI;
+
+ if (bootmode == BOOT_DEVICE_MMC2) {
+ u32 port = (main_devstat &
+ MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK) >>
+ MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT;
+ if (port == 0x0)
+ bootmode = BOOT_DEVICE_MMC1;
+ }
+
+ return bootmode;
+}
+
+u32 spl_boot_device(void)
+{
+ u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
+ u32 main_devstat;
+
+ if (wkup_devstat & WKUP_DEVSTAT_MCU_OMLY_MASK) {
+ printf("ERROR: MCU only boot is not yet supported\n");
+ return BOOT_DEVICE_RAM;
+ }
+
+ /* MAIN CTRL MMR can only be read if MCU ONLY is 0 */
+ main_devstat = readl(CTRLMMR_MAIN_DEVSTAT);
+
+ if (bootindex == K3_PRIMARY_BOOTMODE)
+ return __get_primary_bootmedia(main_devstat, wkup_devstat);
+ else
+ return __get_backup_bootmedia(main_devstat);
+}
+
+#define J784S4_DEV_MCU_RTI0 367
+#define J784S4_DEV_MCU_RTI1 368
+#define J784S4_DEV_MCU_ARMSS0_CPU0 346
+#define J784S4_DEV_MCU_ARMSS0_CPU1 347
+
+void release_resources_for_core_shutdown(void)
+{
+ if (IS_ENABLED(CONFIG_SYS_K3_SPL_ATF)) {
+ struct ti_sci_handle *ti_sci;
+ struct ti_sci_dev_ops *dev_ops;
+ struct ti_sci_proc_ops *proc_ops;
+ int ret;
+ u32 i;
+
+ const u32 put_device_ids[] = {
+ J784S4_DEV_MCU_RTI0,
+ J784S4_DEV_MCU_RTI1,
+ };
+
+ ti_sci = get_ti_sci_handle();
+ dev_ops = &ti_sci->ops.dev_ops;
+ proc_ops = &ti_sci->ops.proc_ops;
+
+ /* Iterate through list of devices to put (shutdown) */
+ for (i = 0; i < ARRAY_SIZE(put_device_ids); i++) {
+ u32 id = put_device_ids[i];
+
+ ret = dev_ops->put_device(ti_sci, id);
+ if (ret)
+ panic("Failed to put device %u (%d)\n", id, ret);
+ }
+
+ const u32 put_core_ids[] = {
+ J784S4_DEV_MCU_ARMSS0_CPU1,
+ J784S4_DEV_MCU_ARMSS0_CPU0, /* Handle CPU0 after CPU1 */
+ };
+
+ /* Iterate through list of cores to put (shutdown) */
+ for (i = 0; i < ARRAY_SIZE(put_core_ids); i++) {
+ u32 id = put_core_ids[i];
+
+ /*
+ * Queue up the core shutdown request. Note that this call
+ * needs to be followed up by an actual invocation of an WFE
+ * or WFI CPU instruction.
+ */
+ ret = proc_ops->proc_shutdown_no_wait(ti_sci, id);
+ if (ret)
+ panic("Failed sending core %u shutdown message (%d)\n",
+ id, ret);
+ }
+ }
+}
diff --git a/board/ti/j784s4/j784s4.env b/board/ti/j784s4/j784s4.env
new file mode 100644
index 0000000000..4be91ee89c
--- /dev/null
+++ b/board/ti/j784s4/j784s4.env
@@ -0,0 +1,108 @@
+loadaddr=0x82000000
+kernel_addr_r=0x82000000
+fdtaddr=0x88000000
+dtboaddr=0x89000000
+fdt_addr_r=0x88000000
+fdtoverlay_addr_r=0x89000000
+rdaddr=0x88080000
+ramdisk_addr_r=0x88080000
+scriptaddr=0x80000000
+pxefile_addr_r=0x80100000
+bootm_size=0x10000000
+boot_fdt=try
+
+mmcrootfstype=ext4 rootwait
+finduuid=part uuid ${boot} ${bootpart} uuid
+args_mmc=run finduuid;setenv bootargs console=${console}
+ ${optargs}
+ root=PARTUUID=${uuid} rw
+ rootfstype=${mmcrootfstype}
+loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr
+bootscript=echo Running bootscript from mmc${mmcdev} ...;
+ source ${loadaddr}
+bootenvfile=uEnv.txt
+importbootenv=echo Importing environment from mmc${mmcdev} ...;
+ env import -t ${loadaddr} ${filesize}
+loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}
+loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}
+loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}
+envboot=mmc dev ${mmcdev};
+ if mmc rescan; then
+ echo SD/MMC found on device ${mmcdev};
+ if run loadbootscript; then
+ run bootscript;
+ else
+ if run loadbootenv; then
+ echo Loaded env from ${bootenvfile};
+ run importbootenv;
+ fi;
+ if test -n $uenvcmd; then
+ echo Running uenvcmd ...;
+ run uenvcmd;
+ fi;
+ fi;
+ fi;
+mmcloados=
+ if test ${boot_fdt} = yes || test ${boot_fdt} = try; then
+ if run loadfdt; then
+ bootz ${loadaddr} - ${fdtaddr};
+ else
+ if test ${boot_fdt} = try; then
+ bootz;
+ else
+ echo WARN: Cannot load the DT;
+ fi;
+ fi;
+ else
+ bootz;
+ fi;
+mmcboot=mmc dev ${mmcdev};
+ devnum=${mmcdev};
+ devtype=mmc;
+ if mmc rescan; then
+ echo SD/MMC found on device ${mmcdev};
+ if run loadimage; then
+ run args_mmc;
+ if test ${boot_fit} -eq 1; then
+ run run_fit;
+ else
+ run mmcloados;
+ fi;
+ fi;
+ fi;
+
+default_device_tree=k3-j784s4-evm.dtb
+findfdt=
+ setenv name_fdt ${default_device_tree};
+ setenv fdtfile ${name_fdt}
+name_kern=Image
+console=ttyS2,115200n8
+args_all=setenv optargs ${optargs} earlycon=ns16550a,mmio32,0x02880000
+ ${mtdparts}
+run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}
+
+boot=mmc
+mmcdev=1
+bootpart=1:2
+bootdir=/boot
+rd_spec=-
+init_mmc=run args_all args_mmc
+get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}
+get_overlay_mmc=
+ fdt address ${fdtaddr};
+ fdt resize 0x100000;
+ for overlay in $name_overlays;
+ do;
+ load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} &&
+ fdt apply ${dtboaddr};
+ done;
+get_kern_mmc=load mmc ${bootpart} ${loadaddr}
+ ${bootdir}/${name_kern}
+get_fit_mmc=load mmc ${bootpart} ${addr_fit}
+ ${bootdir}/${name_fit}
+partitions=name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}
+
+splashfile=ti.gz
+splashimage=0x82000000
+splashpos=m,m
+splashsource=mmc
diff --git a/include/configs/j784s4_evm.h b/include/configs/j784s4_evm.h
new file mode 100644
index 0000000000..3e429fb036
--- /dev/null
+++ b/include/configs/j784s4_evm.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration header file for K3 J784S4 EVM
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
+ * Hari Nagalla <hnagalla at ti.com>
+ */
+
+#ifndef __CONFIG_J784S4_EVM_H
+#define __CONFIG_J784S4_EVM_H
+
+#include <linux/sizes.h>
+#include <config_distro_bootcmd.h>
+#include <environment/ti/mmc.h>
+
+/* DDR Configuration */
+#define CFG_SYS_SDRAM_BASE1 0x880000000
+
+#ifdef CONFIG_CMD_MMC
+#define DISTRO_BOOT_DEV_MMC(func) func(MMC, mmc, 0) func(MMC, mmc, 1)
+#else
+#define DISTRO_BOOT_DEV_MMC(func)
+#endif
+
+#ifdef CONFIG_CMD_PXE
+#define DISTRO_BOOT_DEV_PXE(func) func(PXE, pxe, na)
+#else
+#define DISTRO_BOOT_DEV_PXE(func)
+#endif
+
+#ifdef CONFIG_CMD_DHCP
+#define DISTRO_BOOT_DEV_DHCP(func) func(DHCP, dhcp, na)
+#else
+#define DISTRO_BOOT_DEV_DHCP(func)
+#endif
+
+#define BOOT_TARGET_DEVICES(func) \
+ DISTRO_BOOT_DEV_MMC(func) \
+ DISTRO_BOOT_DEV_PXE(func) \
+ DISTRO_BOOT_DEV_DHCP(func)
+
+/* Incorporate settings into the U-Boot environment */
+#define CFG_EXTRA_ENV_SETTINGS \
+ BOOTENV
+
+/* Now for the remaining common defines */
+#include <configs/ti_armv7_common.h>
+
+#endif /* __CONFIG_J784S4_EVM_H */
--
2.17.1
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