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Anderson , Jaehoon Chung , Neha Malcom Francis , Simon Glass , Andrew Davis , Kamlesh Gurudasani , Dasnavis Sabiya , Manorit Chawdhry , Aradhya Bhatia , Bryan Brattlof , Christian Gmeiner , Heinrich Schuchardt , Marcel Ziswiler , Roger Quadros , Jayesh Choudhary , Ralph Siemsen , Yanhong Wang , Marek Vasut , Rasmus Villemoes , , Sinthu Raja M , Udit Kumar Subject: Re: [PATCH v4 02/16] arm: mach-k3: Add basic support for J784S4 SoC definition Message-ID: <20231002160156.pacy7j53bbtx766e@reboot> References: <20231001165545.494212-1-a-nandan@ti.com> <20231001165545.494212-3-a-nandan@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20231001165545.494212-3-a-nandan@ti.com> X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On 22:25-20231001, Apurva Nandan wrote: > Add J784S4 initialization files for initial SPL boot. > > Signed-off-by: Hari Nagalla > [ add firewall configurations and change the R5 MCU scratchpad ] > Signed-off-by: Manorit Chawdhry > Signed-off-by: Dasnavis Sabiya > Signed-off-by: Apurva Nandan > --- > arch/arm/mach-k3/Kconfig | 16 +- > arch/arm/mach-k3/Makefile | 3 + > arch/arm/mach-k3/arm64-mmu.c | 52 +++ > arch/arm/mach-k3/include/mach/hardware.h | 4 + > .../mach-k3/include/mach/j784s4_hardware.h | 60 ++++ > arch/arm/mach-k3/include/mach/j784s4_spl.h | 47 +++ > arch/arm/mach-k3/include/mach/spl.h | 4 + > arch/arm/mach-k3/j784s4_fdt.c | 15 + > arch/arm/mach-k3/j784s4_init.c | 332 ++++++++++++++++++ > 9 files changed, 526 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_fdt.c > create mode 100644 arch/arm/mach-k3/j784s4_init.c > > diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig > index 9168bf842d..0af2ec6ddb 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 > @@ -52,15 +55,14 @@ config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE > config SYS_K3_MCU_SCRATCHPAD_BASE > hex > default 0x40280000 if SOC_K3_AM654 > - default 0x41cff9fc if SOC_K3_J721S2 > - default 0x41cff9fc if SOC_K3_J721E > + default 0x41cff9fc 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. > > @@ -68,7 +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 +174,7 @@ 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 > diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile > index fd77b8bbba..6fe36c265c 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 > @@ -16,6 +17,7 @@ obj-$(CONFIG_SOC_K3_AM654) += am654_fdt.o > obj-$(CONFIG_SOC_K3_J721E) += j721e_fdt.o > obj-$(CONFIG_SOC_K3_J721S2) += j721s2_fdt.o > obj-$(CONFIG_SOC_K3_AM625) += am625_fdt.o > +obj-$(CONFIG_SOC_K3_J784S4) += j784s4_fdt.o > endif > ifeq ($(CONFIG_SPL_BUILD),y) > obj-$(CONFIG_SOC_K3_AM654) += am654_init.o > @@ -24,6 +26,7 @@ obj-$(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 f8087d2421..c060920d7c 100644 > --- a/arch/arm/mach-k3/arm64-mmu.c > +++ b/arch/arm/mach-k3/arm64-mmu.c > @@ -318,3 +318,55 @@ struct mm_region am64_mem_map[NR_MMU_REGIONS] = { > > struct mm_region *mem_map = am64_mem_map; > #endif /* CONFIG_SOC_K3_AM642 */ > + > +#if defined(CONFIG_SOC_K3_J784S4) > +#define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 5) > + > +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 = 0x20000000UL, > + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | > + PTE_BLOCK_INNER_SHARE > + }, { > + .virt = 0xa0000000UL, > + .phys = 0xa0000000UL, > + .size = 0x21000000UL, > + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) | > + PTE_BLOCK_NON_SHARE > + }, { > + .virt = 0xc1000000UL, > + .phys = 0xc1000000UL, > + .size = 0x3f000000UL, > + .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, > + } > +}; Why not reuse CONFIG_SOC_K3_J721S2 or adopt it? > + > +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 65742c4b7c..03b18f6bad 100644 > --- a/arch/arm/mach-k3/include/mach/hardware.h > +++ b/arch/arm/mach-k3/include/mach/hardware.h > @@ -33,6 +33,10 @@ > #include "am62a_qos.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..a34ca6db23 > --- /dev/null > +++ b/arch/arm/mach-k3/include/mach/j784s4_hardware.h > @@ -0,0 +1,60 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * K3: J784S4 SoC definitions, structures etc. > + * > + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ > + */ > +#ifndef __ASM_ARCH_J784S4_HARDWARE_H > +#define __ASM_ARCH_J784S4_HARDWARE_H > + > +#include > +#ifndef __ASSEMBLY__ > +#include > +#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 > + > +#if defined(CONFIG_SYS_K3_SPL_ATF) && !defined(__ASSEMBLY__) > + > +#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 > + > +static const u32 put_device_ids[] = { > + J784S4_DEV_MCU_RTI0, > + J784S4_DEV_MCU_RTI1, > +}; > + > +static const u32 put_core_ids[] = { > + J784S4_DEV_MCU_ARMSS0_CPU1, > + J784S4_DEV_MCU_ARMSS0_CPU0, /* Handle CPU0 after CPU1 */ > +}; > + > +#endif > + > +#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..35c6fa8f1c > --- /dev/null > +++ b/arch/arm/mach-k3/include/mach/j784s4_spl.h > @@ -0,0 +1,47 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +/* > + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ > + * David Huang Does'nt appear in the sign-offs etc.. > + */ > +#ifndef _ASM_ARCH_J784S4_SPL_H_ > +#define _ASM_ARCH_J784S4_SPL_H_ > + > +/* With BootMode B = 0 */ > +#include > + > +#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..683b1ae880 100644 > --- a/arch/arm/mach-k3/include/mach/spl.h > +++ b/arch/arm/mach-k3/include/mach/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_fdt.c b/arch/arm/mach-k3/j784s4_fdt.c > new file mode 100644 > index 0000000000..125f55c9a6 > --- /dev/null > +++ b/arch/arm/mach-k3/j784s4_fdt.c > @@ -0,0 +1,15 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * J784S4: SoC specific initialization > + * > + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ > + * Apurva Nandan > + */ > + > +#include "common_fdt.h" > +#include > + > +int ft_system_setup(void *blob, struct bd_info *bd) > +{ > + return fdt_fixup_msmc_ram_k3(blob); > +} > diff --git a/arch/arm/mach-k3/j784s4_init.c b/arch/arm/mach-k3/j784s4_init.c > new file mode 100644 > index 0000000000..e3c2a9e171 > --- /dev/null > +++ b/arch/arm/mach-k3/j784s4_init.c > @@ -0,0 +1,332 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * J784S4: SoC specific initialization > + * > + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ > + * Hari Nagalla > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include "sysfw-loader.h" > +#include "common.h" > +#include > +#include > +#include > +#include > +#include > +#include > + > +struct fwl_data infra_cbass0_fwls[] = { > + { "PSC0", 5, 1 }, > + { "PLL_CTRL0", 6, 1 }, > + { "PLL_MMR0", 8, 26 }, > + { "CTRL_MMR0", 9, 16 }, > + { "GPIO0", 16, 1 }, > +}, wkup_cbass0_fwls[] = { > + { "WKUP_PSC0", 129, 1 }, > + { "WKUP_PLL_CTRL0", 130, 1 }, > + { "WKUP_CTRL_MMR0", 131, 16 }, > + { "WKUP_GPIO0", 132, 1 }, > + { "WKUP_I2C0", 144, 1 }, > + { "WKUP_USART0", 160, 1 }, > +}, mcu_cbass0_fwls[] = { > + { "MCU_R5FSS0_CORE0", 1024, 4 }, > + { "MCU_R5FSS0_CORE0_CFG", 1025, 3 }, > + { "MCU_R5FSS0_CORE1", 1028, 4 }, > + { "MCU_R5FSS0_CORE1_CFG", 1029, 1 }, > + { "MCU_FSS0_CFG", 1032, 12 }, > + { "MCU_FSS0_S1", 1033, 8 }, > + { "MCU_FSS0_S0", 1036, 8 }, > + { "MCU_PSROM49152X32", 1048, 1 }, > + { "MCU_MSRAM128KX64", 1050, 8 }, > + { "MCU_MSRAM128KX64_CFG", 1051, 1 }, > + { "MCU_TIMER0", 1056, 1 }, > + { "MCU_TIMER9", 1065, 1 }, > + { "MCU_USART0", 1120, 1 }, > + { "MCU_I2C0", 1152, 1 }, > + { "MCU_CTRL_MMR0", 1200, 8 }, > + { "MCU_PLL_MMR0", 1201, 3 }, > + { "MCU_CPSW0", 1220, 2 }, > +}, cbass_rc_cfg0_fwls[] = { > + { "EMMCSD4SS0_CFG", 2400, 4 }, > +}, cbass_hc2_fwls[] = { > + { "PCIE0", 2547, 24 }, > +}, cbass_hc_cfg0_fwls[] = { > + { "PCIE0_CFG", 2577, 7 }, > + { "EMMC8SS0_CFG", 2579, 4 }, > + { "USB3SS0_CORE", 2580, 4 }, > + { "USB3SS1_CORE", 2581, 1 }, > +}, navss_cbass0_fwls[] = { > + { "NACSS_VIRT0", 6253, 1 }, > +}; > + > +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); > + > +#ifdef CONFIG_SPL_OF_LIST > + if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) > + do_board_detect(); > +#endif > + > + 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"); > + } > + > + remove_fwl_configs(cbass_hc_cfg0_fwls, ARRAY_SIZE(cbass_hc_cfg0_fwls)); > + remove_fwl_configs(cbass_hc2_fwls, ARRAY_SIZE(cbass_hc2_fwls)); > + remove_fwl_configs(cbass_rc_cfg0_fwls, ARRAY_SIZE(cbass_rc_cfg0_fwls)); > + remove_fwl_configs(infra_cbass0_fwls, ARRAY_SIZE(infra_cbass0_fwls)); > + remove_fwl_configs(mcu_cbass0_fwls, ARRAY_SIZE(mcu_cbass0_fwls)); > + remove_fwl_configs(wkup_cbass0_fwls, ARRAY_SIZE(wkup_cbass0_fwls)); > + remove_fwl_configs(navss_cbass0_fwls, ARRAY_SIZE(navss_cbass0_fwls)); Why do you need this? firewall configuration was coming in via OIDs in https://lore.kernel.org/all/CAPnjgZ14Uy+gBC8kgqVA7m9NXN_WiXFffu5Ob=vz=E76rMDMPQ@mail.gmail.com/ > + } > + > + /* 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; See commit 0f1c1e8b368bd598b1c7f4b285f8921665ab62ac > + 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_spi_boot_bus(void) > +{ > + u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT); > + u32 main_devstat = readl(CTRLMMR_MAIN_DEVSTAT); > + u32 bootmode = ((wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >> > + WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT) | > + ((main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) << BOOT_MODE_B_SHIFT); > + > + return (bootmode == BOOT_DEVICE_QSPI) ? 1 : 0; > +} > + > +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); > +} > -- > 2.34.1 > I think there is an opportunity to merge j721s2 and j784s4.. but i am not expert on either of the chips to better comment. -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D