diff options
Diffstat (limited to 'arch/arm/mach-imx')
31 files changed, 1498 insertions, 251 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index aeb5493488..b0b9d2c070 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -34,7 +34,7 @@ config USE_IMXIMG_PLUGIN i.MX6/7 supports DCD and Plugin. Enable this configuration to use Plugin, otherwise DCD will be used. -config SECURE_BOOT +config IMX_HAB bool "Support i.MX HAB features" depends on ARCH_MX7 || ARCH_MX6 || ARCH_MX5 select FSL_CAAM if HAS_CAAM @@ -43,6 +43,13 @@ config SECURE_BOOT This option enables the support for secure boot (HAB). See doc/README.mxc_hab for more details. +config CSF_SIZE + hex "Maximum size for Command Sequence File (CSF) binary" + default 0x2060 + help + Define the maximum size for Command Sequence File (CSF) binary + this information is used to define the image boot data. + config CMD_BMODE bool "Support the 'bmode' command" default y diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 08ee52edbf..fbd99a3499 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -44,12 +44,12 @@ ifneq ($(CONFIG_SPL_BUILD),y) obj-$(CONFIG_IMX_BOOTAUX) += imx_bootaux.o endif obj-$(CONFIG_SATA) += sata.o -obj-$(CONFIG_SECURE_BOOT) += hab.o +obj-$(CONFIG_IMX_HAB) += hab.o obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o endif ifeq ($(SOC),$(filter $(SOC),mx7ulp)) obj-y += cache.o -obj-$(CONFIG_SECURE_BOOT) += hab.o +obj-$(CONFIG_IMX_HAB) += hab.o endif ifeq ($(SOC),$(filter $(SOC),vf610)) obj-y += ddrmc-vf610.o @@ -90,6 +90,11 @@ IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%) $(Q)mkdir -p $(dir $@) $(call if_changed_dep,cpp_cfg) +IMX_CONTAINER_CFG = $(CONFIG_IMX_CONTAINER_CFG:"%"=%) +container.cfg: $(IMX_CONTAINER_CFG) FORCE + $(Q)mkdir -p $(dir $@) + $(call if_changed_dep,cpp_cfg) + ifeq ($(CONFIG_ARCH_IMX8), y) CNTR_DEPFILES := $(srctree)/tools/imx_cntr_image.sh IMAGE_TYPE := imx8image @@ -158,8 +163,20 @@ SPL: MKIMAGEFLAGS_flash.bin = -n spl/u-boot-spl.cfgout -T $(IMAGE_TYPE) -e 0x100000 flash.bin: MKIMAGEOUTPUT = flash.log -flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE -ifeq ($(SPL_DEPFILE_EXISTS),0) +MKIMAGEFLAGS_u-boot.cnt = -n container.cfg -T $(IMAGE_TYPE) -e 0x100000 +u-boot.cnt: MKIMAGEOUTPUT = u-boot.cnt.log + +ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y) +u-boot.cnt: u-boot.bin container.cfg FORCE + $(call if_changed,mkimage) +flash.bin: spl/u-boot-spl.bin FORCE + $(call if_changed,mkimage) + @flashbin_size=`wc -c flash.bin | awk '{print $$1}'`; \ + pad_cnt=$$(((flashbin_size + 0x400 - 1) / 0x400)); \ + echo "append u-boot.cnt at $$pad_cnt KB"; \ + dd if=u-boot.cnt of=flash.bin bs=1K seek=$$pad_cnt; +else +flash.bin: spl/u-boot-spl.bin FORCE $(call if_changed,mkimage) endif endif diff --git a/arch/arm/mach-imx/cmd_nandbcb.c b/arch/arm/mach-imx/cmd_nandbcb.c index 065b814b2e..7811c61d22 100644 --- a/arch/arm/mach-imx/cmd_nandbcb.c +++ b/arch/arm/mach-imx/cmd_nandbcb.c @@ -359,9 +359,11 @@ usage: return CMD_RET_USAGE; } +#ifdef CONFIG_SYS_LONGHELP static char nandbcb_help_text[] = "update addr off|partition len - update 'len' bytes starting at\n" " 'off|part' to memory address 'addr', skipping bad blocks"; +#endif U_BOOT_CMD(nandbcb, 5, 1, do_nandbcb, "i.MX6 Nand BCB", diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c index 6e9a175210..efd8fc614a 100644 --- a/arch/arm/mach-imx/cpu.c +++ b/arch/arm/mach-imx/cpu.c @@ -145,6 +145,18 @@ unsigned imx_ddr_size(void) const char *get_imx_type(u32 imxtype) { switch (imxtype) { + case MXC_CPU_IMX8MM: + return "8MMQ"; /* Quad-core version of the imx8mm */ + case MXC_CPU_IMX8MML: + return "8MMQL"; /* Quad-core Lite version of the imx8mm */ + case MXC_CPU_IMX8MMD: + return "8MMD"; /* Dual-core version of the imx8mm */ + case MXC_CPU_IMX8MMDL: + return "8MMDL"; /* Dual-core Lite version of the imx8mm */ + case MXC_CPU_IMX8MMS: + return "8MMS"; /* Single-core version of the imx8mm */ + case MXC_CPU_IMX8MMSL: + return "8MMSL"; /* Single-core Lite version of the imx8mm */ case MXC_CPU_IMX8MQ: return "8MQ"; /* Quad-core version of the imx8m */ case MXC_CPU_MX7S: @@ -173,6 +185,8 @@ const char *get_imx_type(u32 imxtype) return "6UL"; /* Ultra-Lite version of the mx6 */ case MXC_CPU_MX6ULL: return "6ULL"; /* ULL version of the mx6 */ + case MXC_CPU_MX6ULZ: + return "6ULZ"; /* ULZ version of the mx6 */ case MXC_CPU_MX51: return "51"; case MXC_CPU_MX53: diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig index bbe323d5ca..d17760e333 100644 --- a/arch/arm/mach-imx/imx8/Kconfig +++ b/arch/arm/mach-imx/imx8/Kconfig @@ -23,6 +23,19 @@ config IMX8QXP config SYS_SOC default "imx8" +config SPL_LOAD_IMX_CONTAINER + bool "Enable SPL loading U-Boot as a i.MX Container image" + depends on SPL + help + This is to let SPL could load i.MX8 Container image + +config IMX_CONTAINER_CFG + string "i.MX Container config file" + depends on SPL + help + This is to specific the cfg file for generating container + image which will be loaded by SPL. + choice prompt "i.MX8 board select" optional diff --git a/arch/arm/mach-imx/imx8/Makefile b/arch/arm/mach-imx/imx8/Makefile index 92b5c56acb..39e384d5c7 100644 --- a/arch/arm/mach-imx/imx8/Makefile +++ b/arch/arm/mach-imx/imx8/Makefile @@ -4,4 +4,9 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-y += cpu.o iomux.o misc.o +obj-y += cpu.o iomux.o misc.o lowlevel_init.o +obj-$(CONFIG_OF_SYSTEM_SETUP) += fdt.o + +ifdef CONFIG_SPL_BUILD +obj-$(CONFIG_SPL_LOAD_IMX_CONTAINER) += image.o parse-container.o +endif diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index f2fa262ac8..d393a01178 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -60,18 +60,18 @@ int arch_cpu_init_dm(void) int node, ret; node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx8-mu"); - ret = device_bind_driver_to_node(gd->dm_root, "imx8_scu", "imx8_scu", - offset_to_ofnode(node), &devp); + ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &devp); if (ret) { - printf("could not find scu %d\n", ret); + printf("could not get scu %d\n", ret); return ret; } - ret = device_probe(devp); - if (ret) { - printf("scu probe failed %d\n", ret); - return ret; + if (is_imx8qm()) { + ret = sc_pm_set_resource_power_mode(-1, SC_R_SMMU, + SC_PM_PW_MODE_ON); + if (ret) + return ret; } return 0; @@ -475,10 +475,17 @@ u64 get_page_table_size(void) } #endif +#if defined(CONFIG_IMX8QM) +#define FUSE_MAC0_WORD0 452 +#define FUSE_MAC0_WORD1 453 +#define FUSE_MAC1_WORD0 454 +#define FUSE_MAC1_WORD1 455 +#elif defined(CONFIG_IMX8QXP) #define FUSE_MAC0_WORD0 708 #define FUSE_MAC0_WORD1 709 #define FUSE_MAC1_WORD0 710 #define FUSE_MAC1_WORD1 711 +#endif void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { @@ -528,171 +535,3 @@ u32 get_cpu_rev(void) return (id << 12) | rev; } -#if CONFIG_IS_ENABLED(CPU) -struct cpu_imx_platdata { - const char *name; - const char *rev; - const char *type; - u32 cpurev; - u32 freq_mhz; -}; - -const char *get_imx8_type(u32 imxtype) -{ - switch (imxtype) { - case MXC_CPU_IMX8QXP: - case MXC_CPU_IMX8QXP_A0: - return "QXP"; - case MXC_CPU_IMX8QM: - return "QM"; - default: - return "??"; - } -} - -const char *get_imx8_rev(u32 rev) -{ - switch (rev) { - case CHIP_REV_A: - return "A"; - case CHIP_REV_B: - return "B"; - default: - return "?"; - } -} - -const char *get_core_name(void) -{ - if (is_cortex_a35()) - return "A35"; - else if (is_cortex_a53()) - return "A53"; - else if (is_cortex_a72()) - return "A72"; - else - return "?"; -} - -#if IS_ENABLED(CONFIG_IMX_SCU_THERMAL) -static int cpu_imx_get_temp(void) -{ - struct udevice *thermal_dev; - int cpu_tmp, ret; - - ret = uclass_get_device_by_name(UCLASS_THERMAL, "cpu-thermal0", - &thermal_dev); - - if (!ret) { - ret = thermal_get_temp(thermal_dev, &cpu_tmp); - if (ret) - return 0xdeadbeef; - } else { - return 0xdeadbeef; - } - - return cpu_tmp; -} -#else -static int cpu_imx_get_temp(void) -{ - return 0; -} -#endif - -int cpu_imx_get_desc(struct udevice *dev, char *buf, int size) -{ - struct cpu_imx_platdata *plat = dev_get_platdata(dev); - int ret; - - if (size < 100) - return -ENOSPC; - - ret = snprintf(buf, size, "NXP i.MX8%s Rev%s %s at %u MHz", - plat->type, plat->rev, plat->name, plat->freq_mhz); - - if (IS_ENABLED(CONFIG_IMX_SCU_THERMAL)) { - buf = buf + ret; - size = size - ret; - ret = snprintf(buf, size, " at %dC", cpu_imx_get_temp()); - } - - snprintf(buf + ret, size - ret, "\n"); - - return 0; -} - -static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info) -{ - struct cpu_imx_platdata *plat = dev_get_platdata(dev); - - info->cpu_freq = plat->freq_mhz * 1000; - info->features = BIT(CPU_FEAT_L1_CACHE) | BIT(CPU_FEAT_MMU); - return 0; -} - -static int cpu_imx_get_count(struct udevice *dev) -{ - return 4; -} - -static int cpu_imx_get_vendor(struct udevice *dev, char *buf, int size) -{ - snprintf(buf, size, "NXP"); - return 0; -} - -static const struct cpu_ops cpu_imx8_ops = { - .get_desc = cpu_imx_get_desc, - .get_info = cpu_imx_get_info, - .get_count = cpu_imx_get_count, - .get_vendor = cpu_imx_get_vendor, -}; - -static const struct udevice_id cpu_imx8_ids[] = { - { .compatible = "arm,cortex-a35" }, - { .compatible = "arm,cortex-a53" }, - { } -}; - -static ulong imx8_get_cpu_rate(void) -{ - ulong rate; - int ret; - int type = is_cortex_a35() ? SC_R_A35 : is_cortex_a53() ? - SC_R_A53 : SC_R_A72; - - ret = sc_pm_get_clock_rate(-1, type, SC_PM_CLK_CPU, - (sc_pm_clock_rate_t *)&rate); - if (ret) { - printf("Could not read CPU frequency: %d\n", ret); - return 0; - } - - return rate; -} - -static int imx8_cpu_probe(struct udevice *dev) -{ - struct cpu_imx_platdata *plat = dev_get_platdata(dev); - u32 cpurev; - - cpurev = get_cpu_rev(); - plat->cpurev = cpurev; - plat->name = get_core_name(); - plat->rev = get_imx8_rev(cpurev & 0xFFF); - plat->type = get_imx8_type((cpurev & 0xFF000) >> 12); - plat->freq_mhz = imx8_get_cpu_rate() / 1000000; - return 0; -} - -U_BOOT_DRIVER(cpu_imx8_drv) = { - .name = "imx8x_cpu", - .id = UCLASS_CPU, - .of_match = cpu_imx8_ids, - .ops = &cpu_imx8_ops, - .probe = imx8_cpu_probe, - .platdata_auto_alloc_size = sizeof(struct cpu_imx_platdata), - .flags = DM_FLAG_PRE_RELOC, -}; -#endif diff --git a/arch/arm/mach-imx/imx8/fdt.c b/arch/arm/mach-imx/imx8/fdt.c new file mode 100644 index 0000000000..65c8ac1a7e --- /dev/null +++ b/arch/arm/mach-imx/imx8/fdt.c @@ -0,0 +1,292 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2019 NXP + */ + +#include <common.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/sys_proto.h> +#include <dm/ofnode.h> +#include <fdt_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +static bool check_owned_resource(sc_rsrc_t rsrc_id) +{ + bool owned; + + owned = sc_rm_is_resource_owned(-1, rsrc_id); + + return owned; +} + +static int disable_fdt_node(void *blob, int nodeoffset) +{ + int rc, ret; + const char *status = "disabled"; + + do { + rc = fdt_setprop(blob, nodeoffset, "status", status, + strlen(status) + 1); + if (rc) { + if (rc == -FDT_ERR_NOSPACE) { + ret = fdt_increase_size(blob, 512); + if (ret) + return ret; + } + } + } while (rc == -FDT_ERR_NOSPACE); + + return rc; +} + +static void update_fdt_with_owned_resources(void *blob) +{ + /* + * Traverses the fdt nodes, check its power domain and use + * the resource id in the power domain for checking whether + * it is owned by current partition + */ + struct fdtdec_phandle_args args; + int offset = 0, depth = 0; + u32 rsrc_id; + int rc, i; + + for (offset = fdt_next_node(blob, offset, &depth); offset > 0; + offset = fdt_next_node(blob, offset, &depth)) { + debug("Node name: %s, depth %d\n", + fdt_get_name(blob, offset, NULL), depth); + + if (!fdt_get_property(blob, offset, "power-domains", NULL)) { + debug(" - ignoring node %s\n", + fdt_get_name(blob, offset, NULL)); + continue; + } + + if (!fdtdec_get_is_enabled(blob, offset)) { + debug(" - ignoring node %s\n", + fdt_get_name(blob, offset, NULL)); + continue; + } + + i = 0; + while (true) { + rc = fdtdec_parse_phandle_with_args(blob, offset, + "power-domains", + "#power-domain-cells", + 0, i++, &args); + if (rc == -ENOENT) { + break; + } else if (rc) { + printf("Parse power-domains of %s wrong: %d\n", + fdt_get_name(blob, offset, NULL), rc); + continue; + } + + rsrc_id = args.args[0]; + + if (!check_owned_resource(rsrc_id)) { + rc = disable_fdt_node(blob, offset); + if (!rc) { + printf("Disable %s rsrc %u not owned\n", + fdt_get_name(blob, offset, NULL), + rsrc_id); + } else { + printf("Unable to disable %s, err=%s\n", + fdt_get_name(blob, offset, NULL), + fdt_strerror(rc)); + } + } + } + } +} + +static int config_smmu_resource_sid(int rsrc, int sid) +{ + int err; + + if (!check_owned_resource(rsrc)) { + printf("%s rsrc[%d] not owned\n", __func__, rsrc); + return -1; + } + err = sc_rm_set_master_sid(-1, rsrc, sid); + debug("set_master_sid rsrc=%d sid=0x%x err=%d\n", rsrc, sid, err); + if (err != SC_ERR_NONE) { + pr_err("fail set_master_sid rsrc=%d sid=0x%x err=%d\n", rsrc, sid, err); + return -EINVAL; + } + + return 0; +} + +static int config_smmu_fdt_device_sid(void *blob, int device_offset, int sid) +{ + const char *name = fdt_get_name(blob, device_offset, NULL); + struct fdtdec_phandle_args args; + int rsrc, ret; + int proplen; + const fdt32_t *prop; + int i; + + prop = fdt_getprop(blob, device_offset, "fsl,sc_rsrc_id", &proplen); + if (prop) { + int i; + + debug("configure node %s sid 0x%x for %d resources\n", + name, sid, (int)(proplen / sizeof(fdt32_t))); + for (i = 0; i < proplen / sizeof(fdt32_t); ++i) { + ret = config_smmu_resource_sid(fdt32_to_cpu(prop[i]), + sid); + if (ret) + return ret; + } + + return 0; + } + + i = 0; + while (true) { + ret = fdtdec_parse_phandle_with_args(blob, device_offset, + "power-domains", + "#power-domain-cells", + 0, i++, &args); + if (ret == -ENOENT) { + break; + } else if (ret) { + printf("Parse power-domains of node %s wrong: %d\n", + fdt_get_name(blob, device_offset, NULL), ret); + continue; + } + + debug("configure node %s sid 0x%x rsrc=%d\n", + name, sid, rsrc); + rsrc = args.args[0]; + + ret = config_smmu_resource_sid(rsrc, sid); + if (ret) + break; + } + + return ret; +} + +static int config_smmu_fdt(void *blob) +{ + int offset, proplen, i, ret; + const fdt32_t *prop; + const char *name; + + /* Legacy smmu bindings, still used by xen. */ + offset = fdt_node_offset_by_compatible(blob, 0, "arm,mmu-500"); + prop = fdt_getprop(blob, offset, "mmu-masters", &proplen); + if (offset > 0 && prop) { + debug("found legacy mmu-masters property\n"); + + for (i = 0; i < proplen / 8; ++i) { + u32 phandle = fdt32_to_cpu(prop[2 * i]); + int sid = fdt32_to_cpu(prop[2 * i + 1]); + int device_offset; + + device_offset = fdt_node_offset_by_phandle(blob, + phandle); + if (device_offset < 0) { + pr_err("Not find device from mmu_masters: %d", + device_offset); + continue; + } + ret = config_smmu_fdt_device_sid(blob, device_offset, + sid); + if (ret) + return ret; + } + + /* Ignore new bindings if old bindings found, just like linux. */ + return 0; + } + + /* Generic smmu bindings */ + offset = 0; + while ((offset = fdt_next_node(blob, offset, NULL)) > 0) { + name = fdt_get_name(blob, offset, NULL); + prop = fdt_getprop(blob, offset, "iommus", &proplen); + if (!prop) + continue; + debug("node %s iommus proplen %d\n", name, proplen); + + if (proplen == 12) { + int sid = fdt32_to_cpu(prop[1]); + + config_smmu_fdt_device_sid(blob, offset, sid); + } else if (proplen != 4) { + debug("node %s ignore unexpected iommus proplen=%d\n", + name, proplen); + } + } + + return 0; +} + +static int ft_add_optee_node(void *fdt, bd_t *bd) +{ + const char *path, *subpath; + int offs; + + /* + * No TEE space allocated indicating no TEE running, so no + * need to add optee node in dts + */ + if (!boot_pointer[1]) + return 0; + + offs = fdt_increase_size(fdt, 512); + if (offs) { + printf("No Space for dtb\n"); + return 1; + } + + path = "/firmware"; + offs = fdt_path_offset(fdt, path); + if (offs < 0) { + path = "/"; + offs = fdt_path_offset(fdt, path); + + if (offs < 0) { + printf("Could not find root node.\n"); + return offs; + } + + subpath = "firmware"; + offs = fdt_add_subnode(fdt, offs, subpath); + if (offs < 0) { + printf("Could not create %s node.\n", subpath); + return offs; + } + } + + subpath = "optee"; + offs = fdt_add_subnode(fdt, offs, subpath); + if (offs < 0) { + printf("Could not create %s node.\n", subpath); + return offs; + } + + fdt_setprop_string(fdt, offs, "compatible", "linaro,optee-tz"); + fdt_setprop_string(fdt, offs, "method", "smc"); + + return 0; +} + +int ft_system_setup(void *blob, bd_t *bd) +{ + int ret; + + update_fdt_with_owned_resources(blob); + + if (is_imx8qm()) { + ret = config_smmu_fdt(blob); + if (ret) + return ret; + } + + return ft_add_optee_node(blob, bd); +} diff --git a/arch/arm/mach-imx/imx8/image.c b/arch/arm/mach-imx/imx8/image.c new file mode 100644 index 0000000000..58a29e8a03 --- /dev/null +++ b/arch/arm/mach-imx/imx8/image.c @@ -0,0 +1,246 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2019 NXP + */ + +#include <common.h> +#include <errno.h> +#include <asm/io.h> +#include <mmc.h> +#include <spi_flash.h> +#include <nand.h> +#include <asm/arch/image.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> + +#define MMC_DEV 0 +#define QSPI_DEV 1 +#define NAND_DEV 2 +#define QSPI_NOR_DEV 3 + +static int __get_container_size(ulong addr) +{ + struct container_hdr *phdr; + struct boot_img_t *img_entry; + struct signature_block_hdr *sign_hdr; + u8 i = 0; + u32 max_offset = 0, img_end; + + phdr = (struct container_hdr *)addr; + if (phdr->tag != 0x87 && phdr->version != 0x0) { + debug("Wrong container header\n"); + return -EFAULT; + } + + max_offset = sizeof(struct container_hdr); + + img_entry = (struct boot_img_t *)(addr + sizeof(struct container_hdr)); + for (i = 0; i < phdr->num_images; i++) { + img_end = img_entry->offset + img_entry->size; + if (img_end > max_offset) + max_offset = img_end; + + debug("img[%u], end = 0x%x\n", i, img_end); + + img_entry++; + } + + if (phdr->sig_blk_offset != 0) { + sign_hdr = (struct signature_block_hdr *)(addr + phdr->sig_blk_offset); + u16 len = sign_hdr->length_lsb + (sign_hdr->length_msb << 8); + + if (phdr->sig_blk_offset + len > max_offset) + max_offset = phdr->sig_blk_offset + len; + + debug("sigblk, end = 0x%x\n", phdr->sig_blk_offset + len); + } + + return max_offset; +} + +static int get_container_size(void *dev, int dev_type, unsigned long offset) +{ + u8 *buf = malloc(CONTAINER_HDR_ALIGNMENT); + int ret = 0; + + if (!buf) { + printf("Malloc buffer failed\n"); + return -ENOMEM; + } + +#ifdef CONFIG_SPL_MMC_SUPPORT + if (dev_type == MMC_DEV) { + unsigned long count = 0; + struct mmc *mmc = (struct mmc *)dev; + + count = blk_dread(mmc_get_blk_desc(mmc), + offset / mmc->read_bl_len, + CONTAINER_HDR_ALIGNMENT / mmc->read_bl_len, + buf); + if (count == 0) { + printf("Read container image from MMC/SD failed\n"); + return -EIO; + } + } +#endif + +#ifdef CONFIG_SPL_SPI_LOAD + if (dev_type == QSPI_DEV) { + struct spi_flash *flash = (struct spi_flash *)dev; + + ret = spi_flash_read(flash, offset, + CONTAINER_HDR_ALIGNMENT, buf); + if (ret != 0) { + printf("Read container image from QSPI failed\n"); + return -EIO; + } + } +#endif + +#ifdef CONFIG_SPL_NAND_SUPPORT + if (dev_type == NAND_DEV) { + ret = nand_spl_load_image(offset, CONTAINER_HDR_ALIGNMENT, + buf); + if (ret != 0) { + printf("Read container image from NAND failed\n"); + return -EIO; + } + } +#endif + +#ifdef CONFIG_SPL_NOR_SUPPORT + if (dev_type == QSPI_NOR_DEV) + memcpy(buf, (const void *)offset, CONTAINER_HDR_ALIGNMENT); +#endif + + ret = __get_container_size((ulong)buf); + + free(buf); + + return ret; +} + +static unsigned long get_boot_device_offset(void *dev, int dev_type) +{ + unsigned long offset = 0; + + if (dev_type == MMC_DEV) { + struct mmc *mmc = (struct mmc *)dev; + + if (IS_SD(mmc) || mmc->part_config == MMCPART_NOAVAILABLE) { + offset = CONTAINER_HDR_MMCSD_OFFSET; + } else { + u8 part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); + + if (part == 1 || part == 2) { + if (is_imx8qxp() && is_soc_rev(CHIP_REV_B)) + offset = CONTAINER_HDR_MMCSD_OFFSET; + else + offset = CONTAINER_HDR_EMMC_OFFSET; + } else { + offset = CONTAINER_HDR_MMCSD_OFFSET; + } + } + } else if (dev_type == QSPI_DEV) { + offset = CONTAINER_HDR_QSPI_OFFSET; + } else if (dev_type == NAND_DEV) { + offset = CONTAINER_HDR_NAND_OFFSET; + } else if (dev_type == QSPI_NOR_DEV) { + offset = CONTAINER_HDR_QSPI_OFFSET + 0x08000000; + } + + return offset; +} + +static int get_imageset_end(void *dev, int dev_type) +{ + unsigned long offset1 = 0, offset2 = 0; + int value_container[2]; + + offset1 = get_boot_device_offset(dev, dev_type); + offset2 = CONTAINER_HDR_ALIGNMENT + offset1; + + value_container[0] = get_container_size(dev, dev_type, offset1); + if (value_container[0] < 0) { + printf("Parse seco container failed %d\n", value_container[0]); + return value_container[0]; + } + + debug("seco container size 0x%x\n", value_container[0]); + + value_container[1] = get_container_size(dev, dev_type, offset2); + if (value_container[1] < 0) { + debug("Parse scu container failed %d, only seco container\n", + value_container[1]); + /* return seco container total size */ + return value_container[0] + offset1; + } + + debug("scu container size 0x%x\n", value_container[1]); + + return value_container[1] + offset2; +} + +#ifdef CONFIG_SPL_SPI_LOAD +unsigned long spl_spi_get_uboot_offs(struct spi_flash *flash) +{ + int end; + + end = get_imageset_end(flash, QSPI_DEV); + end = ROUND(end, SZ_1K); + + printf("Load image from QSPI 0x%x\n", end); + + return end; +} +#endif + +#ifdef CONFIG_SPL_MMC_SUPPORT +unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc) +{ + int end; + + end = get_imageset_end(mmc, MMC_DEV); + end = ROUND(end, SZ_1K); + + printf("Load image from MMC/SD 0x%x\n", end); + + return end / mmc->read_bl_len; +} +#endif + +#ifdef CONFIG_SPL_NAND_SUPPORT +uint32_t spl_nand_get_uboot_raw_page(void) +{ + int end; + + end = get_imageset_end((void *)NULL, NAND_DEV); + end = ROUND(end, SZ_16K); + + printf("Load image from NAND 0x%x\n", end); + + return end; +} +#endif + +#ifdef CONFIG_SPL_NOR_SUPPORT +unsigned long spl_nor_get_uboot_base(void) +{ + int end; + + /* Calculate the image set end, + * if it is less than CONFIG_SYS_UBOOT_BASE(0x8281000), + * we use CONFIG_SYS_UBOOT_BASE + * Otherwise, use the calculated address + */ + end = get_imageset_end((void *)NULL, QSPI_NOR_DEV); + if (end <= CONFIG_SYS_UBOOT_BASE) + end = CONFIG_SYS_UBOOT_BASE; + else + end = ROUND(end, SZ_1K); + + printf("Load image from NOR 0x%x\n", end); + + return end; +} +#endif diff --git a/arch/arm/mach-imx/imx8/lowlevel_init.S b/arch/arm/mach-imx/imx8/lowlevel_init.S new file mode 100644 index 0000000000..a66243c5e4 --- /dev/null +++ b/arch/arm/mach-imx/imx8/lowlevel_init.S @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#include <config.h> + +.align 8 +.global boot_pointer +boot_pointer: + .space 32 + +/* + * Routine: save_boot_params (called after reset from start.S) + */ + +.global save_boot_params +save_boot_params: + /* The firmware provided ATAG/FDT address can be found in r2/x0 */ + adr x0, boot_pointer + stp x1, x2, [x0], #16 + stp x3, x4, [x0], #16 + + /* + * We use absolute address not PC relative address for return. + * When running SPL on iMX8, the A core starts at address 0, + * an alias to OCRAM 0x100000, our linker address for SPL is + * from 0x100000. So using absolute address can jump to the OCRAM + * address from the alias. The alias only map first 96KB of OCRAM, + * so this require the SPL size can't beyond 96KB. + * But when using SPL DM, the size increase significantly and + * always beyonds 96KB. That's why we have to jump to OCRAM. + * Normal u-boot also runs into this codes, but there is no impact. + */ + ldr x1, =save_boot_params_ret + br x1 diff --git a/arch/arm/mach-imx/imx8/parse-container.c b/arch/arm/mach-imx/imx8/parse-container.c new file mode 100644 index 0000000000..32f78bdddf --- /dev/null +++ b/arch/arm/mach-imx/imx8/parse-container.c @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018-2019 NXP + */ + +#include <common.h> +#include <errno.h> +#include <spl.h> +#include <asm/arch/image.h> + +static struct boot_img_t *read_auth_image(struct spl_image_info *spl_image, + struct spl_load_info *info, + struct container_hdr *container, + int image_index, + u32 container_sector) +{ + struct boot_img_t *images; + ulong sector; + u32 sectors; + + if (image_index > container->num_images) { + debug("Invalid image number\n"); + return NULL; + } + + images = (struct boot_img_t *)((u8 *)container + + sizeof(struct container_hdr)); + + if (images[image_index].offset % info->bl_len) { + printf("%s: image%d offset not aligned to %u\n", + __func__, image_index, info->bl_len); + return NULL; + } + + sectors = roundup(images[image_index].size, info->bl_len) / + info->bl_len; + sector = images[image_index].offset / info->bl_len + + container_sector; + + debug("%s: container: %p sector: %lu sectors: %u\n", __func__, + container, sector, sectors); + if (info->read(info, sector, sectors, + (void *)images[image_index].entry) != sectors) { + printf("%s wrong\n", __func__); + return NULL; + } + + return &images[image_index]; +} + +static int read_auth_container(struct spl_image_info *spl_image, + struct spl_load_info *info, ulong sector) +{ + struct container_hdr *container = NULL; + u16 length; + u32 sectors; + int i, size; + + size = roundup(CONTAINER_HDR_ALIGNMENT, info->bl_len); + sectors = size / info->bl_len; + + /* + * It will not override the ATF code, so safe to use it here, + * no need malloc + */ + container = (struct container_hdr *)spl_get_load_buffer(-size, size); + + debug("%s: container: %p sector: %lu sectors: %u\n", __func__, + container, sector, sectors); + if (info->read(info, sector, sectors, container) != sectors) + return -EIO; + + if (container->tag != 0x87 && container->version != 0x0) { + printf("Wrong container header"); + return -ENOENT; + } + + if (!container->num_images) { + printf("Wrong container, no image found"); + return -ENOENT; + } + + length = container->length_lsb + (container->length_msb << 8); + debug("Container length %u\n", length); + + if (length > CONTAINER_HDR_ALIGNMENT) { + size = roundup(length, info->bl_len); + sectors = size / info->bl_len; + + container = (struct container_hdr *)spl_get_load_buffer(-size, size); + + debug("%s: container: %p sector: %lu sectors: %u\n", + __func__, container, sector, sectors); + if (info->read(info, sector, sectors, container) != + sectors) + return -EIO; + } + + for (i = 0; i < container->num_images; i++) { + struct boot_img_t *image = read_auth_image(spl_image, info, + container, i, + sector); + + if (!image) + return -EINVAL; + + if (i == 0) { + spl_image->load_addr = image->dst; + spl_image->entry_point = image->entry; + } + } + + return 0; +} + +int spl_load_imx_container(struct spl_image_info *spl_image, + struct spl_load_info *info, ulong sector) +{ + return read_auth_container(spl_image, info, sector); +} diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig index 317dee9bc1..f520075875 100644 --- a/arch/arm/mach-imx/imx8m/Kconfig +++ b/arch/arm/mach-imx/imx8m/Kconfig @@ -4,6 +4,14 @@ config IMX8M bool select ROM_UNIFIED_SECTIONS +config IMX8MQ + bool + select IMX8M + +config IMX8MM + bool + select IMX8M + config SYS_SOC default "imx8m" @@ -13,11 +21,18 @@ choice config TARGET_IMX8MQ_EVK bool "imx8mq_evk" - select IMX8M + select IMX8MQ + select IMX8M_LPDDR4 + +config TARGET_IMX8MM_EVK + bool "imx8mm LPDDR4 EVK board" + select IMX8MM + select SUPPORT_SPL select IMX8M_LPDDR4 endchoice source "board/freescale/imx8mq_evk/Kconfig" +source "board/freescale/imx8mm_evk/Kconfig" endif diff --git a/arch/arm/mach-imx/imx8m/Makefile b/arch/arm/mach-imx/imx8m/Makefile index feff4941c1..92184f3135 100644 --- a/arch/arm/mach-imx/imx8m/Makefile +++ b/arch/arm/mach-imx/imx8m/Makefile @@ -3,4 +3,6 @@ # Copyright 2017 NXP obj-y += lowlevel_init.o -obj-y += clock.o clock_slice.o soc.o +obj-y += clock_slice.o soc.o +obj-$(CONFIG_IMX8MQ) += clock_imx8mq.o +obj-$(CONFIG_IMX8MM) += clock_imx8mm.o diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mm.c b/arch/arm/mach-imx/imx8m/clock_imx8mm.c new file mode 100644 index 0000000000..ee44ba75fe --- /dev/null +++ b/arch/arm/mach-imx/imx8m/clock_imx8mm.c @@ -0,0 +1,306 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018-2019 NXP + * + * Peng Fan <peng.fan@nxp.com> + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> +#include <clk.h> +#include <clk-uclass.h> +#include <dt-bindings/clock/imx8mm-clock.h> +#include <div64.h> +#include <errno.h> + +DECLARE_GLOBAL_DATA_PTR; + +static struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR; + +void enable_ocotp_clk(unsigned char enable) +{ + struct clk *clkp; + int ret; + + ret = clk_get_by_id(IMX8MM_CLK_OCOTP_ROOT, &clkp); + if (ret) { + printf("%s: err: %d\n", __func__, ret); + return; + } + + enable ? clk_enable(clkp) : clk_disable(clkp); +} + +int enable_i2c_clk(unsigned char enable, unsigned i2c_num) +{ + struct clk *clkp; + int ret; + + ret = clk_get_by_id(IMX8MM_CLK_I2C1_ROOT + i2c_num, &clkp); + if (ret) { + printf("%s: err: %d\n", __func__, ret); + return ret; + } + + return enable ? clk_enable(clkp) : clk_disable(clkp); +} + +#ifdef CONFIG_SPL_BUILD +static struct imx_int_pll_rate_table imx8mm_fracpll_tbl[] = { + PLL_1443X_RATE(800000000U, 300, 9, 0, 0), + PLL_1443X_RATE(750000000U, 250, 8, 0, 0), + PLL_1443X_RATE(650000000U, 325, 3, 2, 0), + PLL_1443X_RATE(600000000U, 300, 3, 2, 0), + PLL_1443X_RATE(594000000U, 99, 1, 2, 0), + PLL_1443X_RATE(400000000U, 300, 9, 1, 0), + PLL_1443X_RATE(266666667U, 400, 9, 2, 0), + PLL_1443X_RATE(167000000U, 334, 3, 4, 0), + PLL_1443X_RATE(100000000U, 300, 9, 3, 0), +}; + +int fracpll_configure(enum pll_clocks pll, u32 freq) +{ + int i; + u32 tmp, div_val; + void *pll_base; + struct imx_int_pll_rate_table *rate; + + for (i = 0; i < ARRAY_SIZE(imx8mm_fracpll_tbl); i++) { + if (freq == imx8mm_fracpll_tbl[i].rate) + break; + } + + if (i == ARRAY_SIZE(imx8mm_fracpll_tbl)) { + printf("No matched freq table %u\n", freq); + return -EINVAL; + } + + rate = &imx8mm_fracpll_tbl[i]; + + switch (pll) { + case ANATOP_DRAM_PLL: + setbits_le32(GPC_BASE_ADDR + 0xEC, 1 << 7); + setbits_le32(GPC_BASE_ADDR + 0xF8, 1 << 5); + writel(SRC_DDR1_ENABLE_MASK, SRC_BASE_ADDR + 0x1004); + + pll_base = &ana_pll->dram_pll_gnrl_ctl; + break; + case ANATOP_VIDEO_PLL: + pll_base = &ana_pll->video_pll1_gnrl_ctl; + break; + default: + return 0; + } + /* Bypass clock and set lock to pll output lock */ + tmp = readl(pll_base); + tmp |= BYPASS_MASK; + writel(tmp, pll_base); + + /* Enable RST */ + tmp &= ~RST_MASK; + writel(tmp, pll_base); + + div_val = (rate->mdiv << MDIV_SHIFT) | (rate->pdiv << PDIV_SHIFT) | + (rate->sdiv << SDIV_SHIFT); + writel(div_val, pll_base + 4); + writel(rate->kdiv << KDIV_SHIFT, pll_base + 8); + + __udelay(100); + + /* Disable RST */ + tmp |= RST_MASK; + writel(tmp, pll_base); + + /* Wait Lock*/ + while (!(readl(pll_base) & LOCK_STATUS)) + ; + + /* Bypass */ + tmp &= ~BYPASS_MASK; + writel(tmp, pll_base); + + return 0; +} + +void dram_pll_init(ulong pll_val) +{ + fracpll_configure(ANATOP_DRAM_PLL, pll_val); +} + +static struct dram_bypass_clk_setting imx8mm_dram_bypass_tbl[] = { + DRAM_BYPASS_ROOT_CONFIG(MHZ(100), 2, CLK_ROOT_PRE_DIV1, 2, + CLK_ROOT_PRE_DIV2), + DRAM_BYPASS_ROOT_CONFIG(MHZ(250), 3, CLK_ROOT_PRE_DIV2, 2, + CLK_ROOT_PRE_DIV2), + DRAM_BYPASS_ROOT_CONFIG(MHZ(400), 1, CLK_ROOT_PRE_DIV2, 3, + CLK_ROOT_PRE_DIV2), +}; + +void dram_enable_bypass(ulong clk_val) +{ + int i; + struct dram_bypass_clk_setting *config; + + for (i = 0; i < ARRAY_SIZE(imx8mm_dram_bypass_tbl); i++) { + if (clk_val == imx8mm_dram_bypass_tbl[i].clk) + break; + } + + if (i == ARRAY_SIZE(imx8mm_dram_bypass_tbl)) { + printf("No matched freq table %lu\n", clk_val); + return; + } + + config = &imx8mm_dram_bypass_tbl[i]; + + clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(config->alt_root_sel) | + CLK_ROOT_PRE_DIV(config->alt_pre_div)); + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(config->apb_root_sel) | + CLK_ROOT_PRE_DIV(config->apb_pre_div)); + clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); +} + +void dram_disable_bypass(void) +{ + clock_set_target_val(DRAM_SEL_CFG, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(4) | + CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV5)); +} +#endif + +void init_uart_clk(u32 index) +{ + /* + * set uart clock root + * 24M OSC + */ + switch (index) { + case 0: + clock_enable(CCGR_UART1, 0); + clock_set_target_val(UART1_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART1, 1); + return; + case 1: + clock_enable(CCGR_UART2, 0); + clock_set_target_val(UART2_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART2, 1); + return; + case 2: + clock_enable(CCGR_UART3, 0); + clock_set_target_val(UART3_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART3, 1); + return; + case 3: + clock_enable(CCGR_UART4, 0); + clock_set_target_val(UART4_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_UART4, 1); + return; + default: + printf("Invalid uart index\n"); + return; + } +} + +void init_wdog_clk(void) +{ + clock_enable(CCGR_WDOG1, 0); + clock_enable(CCGR_WDOG2, 0); + clock_enable(CCGR_WDOG3, 0); + clock_set_target_val(WDOG_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(0)); + clock_enable(CCGR_WDOG1, 1); + clock_enable(CCGR_WDOG2, 1); + clock_enable(CCGR_WDOG3, 1); +} + +int clock_init(void) +{ + u32 val_cfg0; + + /* + * The gate is not exported to clk tree, so configure them here. + * According to ANAMIX SPEC + * sys pll1 fixed at 800MHz + * sys pll2 fixed at 1GHz + * Here we only enable the outputs. + */ + val_cfg0 = readl(&ana_pll->sys_pll1_gnrl_ctl); + val_cfg0 |= INTPLL_CLKE_MASK | INTPLL_DIV2_CLKE_MASK | + INTPLL_DIV3_CLKE_MASK | INTPLL_DIV4_CLKE_MASK | + INTPLL_DIV5_CLKE_MASK | INTPLL_DIV6_CLKE_MASK | + INTPLL_DIV8_CLKE_MASK | INTPLL_DIV10_CLKE_MASK | + INTPLL_DIV20_CLKE_MASK; + writel(val_cfg0, &ana_pll->sys_pll1_gnrl_ctl); + + val_cfg0 = readl(&ana_pll->sys_pll2_gnrl_ctl); + val_cfg0 |= INTPLL_CLKE_MASK | INTPLL_DIV2_CLKE_MASK | + INTPLL_DIV3_CLKE_MASK | INTPLL_DIV4_CLKE_MASK | + INTPLL_DIV5_CLKE_MASK | INTPLL_DIV6_CLKE_MASK | + INTPLL_DIV8_CLKE_MASK | INTPLL_DIV10_CLKE_MASK | + INTPLL_DIV20_CLKE_MASK; + writel(val_cfg0, &ana_pll->sys_pll2_gnrl_ctl); + + /* config GIC to sys_pll2_100m */ + clock_enable(CCGR_GIC, 0); + clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(3)); + clock_enable(CCGR_GIC, 1); + + clock_set_target_val(NAND_USDHC_BUS_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + + clock_enable(CCGR_DDR1, 0); + clock_set_target_val(DRAM_ALT_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | + CLK_ROOT_SOURCE_SEL(1)); + clock_enable(CCGR_DDR1, 1); + + init_wdog_clk(); + + clock_enable(CCGR_TEMP_SENSOR, 1); + + clock_enable(CCGR_SEC_DEBUG, 1); + + return 0; +}; + +u32 imx_get_uartclk(void) +{ + return 24000000U; +} + +u32 mxc_get_clock(enum mxc_clock clk) +{ + struct clk *clkp; + int ret; + + switch (clk) { + case MXC_IPG_CLK: + ret = clk_get_by_id(IMX8MM_CLK_IPG_ROOT, &clkp); + if (ret) + return 0; + return clk_get_rate(clkp); + case MXC_ARM_CLK: + ret = clk_get_by_id(IMX8MM_CLK_A53_DIV, &clkp); + if (ret) + return 0; + return clk_get_rate(clkp); + default: + printf("%s: %d not supported\n", __func__, clk); + } + + return 0; +} diff --git a/arch/arm/mach-imx/imx8m/clock.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c index 289b9417aa..feecdb50f6 100644 --- a/arch/arm/mach-imx/imx8m/clock.c +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -322,13 +322,10 @@ int enable_i2c_clk(unsigned char enable, unsigned int i2c_num) return 0; } -unsigned int mxc_get_clock(enum clk_root_index clk) +unsigned int mxc_get_clock(enum mxc_clock clk) { u32 val; - if (clk >= CLK_ROOT_MAX) - return 0; - if (clk == MXC_ARM_CLK) return get_root_clk(ARM_A53_CLK_ROOT); diff --git a/arch/arm/mach-imx/imx8m/clock_slice.c b/arch/arm/mach-imx/imx8m/clock_slice.c index 1a67c626f1..780f64314d 100644 --- a/arch/arm/mach-imx/imx8m/clock_slice.c +++ b/arch/arm/mach-imx/imx8m/clock_slice.c @@ -13,6 +13,7 @@ static struct ccm_reg *ccm_reg = (struct ccm_reg *)CCM_BASE_ADDR; +#ifdef CONFIG_IMX8MQ static struct clk_root_map root_array[] = { {ARM_A53_CLK_ROOT, CORE_CLOCK_SLICE, 0, {OSC_25M_CLK, ARM_PLL_CLK, SYSTEM_PLL2_500M_CLK, @@ -474,6 +475,68 @@ static struct clk_root_map root_array[] = { {DRAM_PLL1_CLK} }, }; +#elif defined(CONFIG_IMX8MM) +static struct clk_root_map root_array[] = { + {NAND_USDHC_BUS_CLK_ROOT, BUS_CLOCK_SLICE, 2, + {OSC_24M_CLK, SYSTEM_PLL1_266M_CLK, SYSTEM_PLL1_800M_CLK, + SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_133M_CLK, + SYSTEM_PLL3_CLK, SYSTEM_PLL2_250M_CLK, AUDIO_PLL1_CLK} + }, + {NOC_CLK_ROOT, BUS_CLOCK_SLICE, 10, + {OSC_24M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL3_CLK, + SYSTEM_PLL2_1000M_CLK, SYSTEM_PLL2_500M_CLK, + AUDIO_PLL1_CLK, VIDEO_PLL_CLK, AUDIO_PLL2_CLK} + }, + {NOC_APB_CLK_ROOT, BUS_CLOCK_SLICE, 11, + {OSC_24M_CLK, SYSTEM_PLL1_400M_CLK, SYSTEM_PLL3_CLK, + SYSTEM_PLL2_333M_CLK, SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL1_800M_CLK, AUDIO_PLL1_CLK, VIDEO_PLL_CLK} + }, + {DRAM_ALT_CLK_ROOT, IP_CLOCK_SLICE, 0, + {OSC_24M_CLK, SYSTEM_PLL1_800M_CLK, SYSTEM_PLL1_100M_CLK, + SYSTEM_PLL2_500M_CLK, SYSTEM_PLL2_1000M_CLK, + SYSTEM_PLL3_CLK, AUDIO_PLL1_CLK, SYSTEM_PLL1_266M_CLK} + }, + {DRAM_APB_CLK_ROOT, IP_CLOCK_SLICE, 1, + {OSC_24M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_40M_CLK, + SYSTEM_PLL1_160M_CLK, SYSTEM_PLL1_800M_CLK, + SYSTEM_PLL3_CLK, SYSTEM_PLL2_250M_CLK, AUDIO_PLL2_CLK} + }, + {UART1_CLK_ROOT, IP_CLOCK_SLICE, 30, + {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, + EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK} + }, + {UART2_CLK_ROOT, IP_CLOCK_SLICE, 31, + {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, + EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK} + }, + {UART3_CLK_ROOT, IP_CLOCK_SLICE, 32, + {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, + EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK} + }, + {UART4_CLK_ROOT, IP_CLOCK_SLICE, 33, + {OSC_24M_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_200M_CLK, + SYSTEM_PLL2_100M_CLK, SYSTEM_PLL3_CLK, + EXT_CLK_2, EXT_CLK_3, AUDIO_PLL2_CLK} + }, + {GIC_CLK_ROOT, IP_CLOCK_SLICE, 36, + {OSC_24M_CLK, SYSTEM_PLL2_200M_CLK, SYSTEM_PLL1_40M_CLK, + SYSTEM_PLL2_100M_CLK, SYSTEM_PLL1_800M_CLK, + EXT_CLK_2, EXT_CLK_4, AUDIO_PLL2_CLK} + }, + {WDOG_CLK_ROOT, IP_CLOCK_SLICE, 50, + {OSC_24M_CLK, SYSTEM_PLL1_133M_CLK, SYSTEM_PLL1_160M_CLK, + VPU_PLL_CLK, SYSTEM_PLL2_125M_CLK, + SYSTEM_PLL3_CLK, SYSTEM_PLL1_80M_CLK, SYSTEM_PLL2_166M_CLK} + }, + {DRAM_SEL_CFG, DRAM_SEL_CLOCK_SLICE, 0, + {DRAM_PLL1_CLK} + }, +}; +#endif static int select(enum clk_root_index clock_id) { diff --git a/arch/arm/mach-imx/imx8m/imximage-8mm-lpddr4.cfg b/arch/arm/mach-imx/imx8m/imximage-8mm-lpddr4.cfg new file mode 100644 index 0000000000..1a2e43e671 --- /dev/null +++ b/arch/arm/mach-imx/imx8m/imximage-8mm-lpddr4.cfg @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#define __ASSEMBLY__ + +FIT +BOOT_FROM sd +LOADER spl/u-boot-spl-ddr.bin 0x7E1000 +SECOND_LOADER u-boot.itb 0x40200000 0x60000 + +DDR_FW lpddr4_pmu_train_1d_imem.bin +DDR_FW lpddr4_pmu_train_1d_dmem.bin +DDR_FW lpddr4_pmu_train_2d_imem.bin +DDR_FW lpddr4_pmu_train_2d_dmem.bin diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 7ec39b3e47..aeca82cdbf 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -14,6 +14,7 @@ #include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/syscounter.h> #include <asm/armv8/mmu.h> +#include <dm/uclass.h> #include <errno.h> #include <fdt_support.h> #include <fsl_wdog.h> @@ -21,7 +22,7 @@ DECLARE_GLOBAL_DATA_PTR; -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 1, .word = 3, @@ -55,6 +56,14 @@ void enable_tzc380(void) /* Enable TZASC and lock setting */ setbits_le32(&gpr->gpr[10], GPR_TZASC_EN); setbits_le32(&gpr->gpr[10], GPR_TZASC_EN_LOCK); + if (IS_ENABLED(CONFIG_IMX8MM)) + setbits_le32(&gpr->gpr[10], BIT(1)); + /* + * set Region 0 attribute to allow secure and non-secure + * read/write permission. Found some masters like usb dwc3 + * controllers can't work with secure memory. + */ + writel(0xf0000000, TZASC_BASE_ADDR + 0x108); } void set_wdog_reset(struct wdog_regs *wdog) @@ -112,16 +121,18 @@ static struct mm_region imx8m_mem_map[] = { /* DRAM1 */ .virt = 0x40000000UL, .phys = 0x40000000UL, - .size = 0xC0000000UL, + .size = PHYS_SDRAM_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE +#ifdef PHYS_SDRAM_2_SIZE }, { /* DRAM2 */ .virt = 0x100000000UL, .phys = 0x100000000UL, - .size = 0x040000000UL, + .size = PHYS_SDRAM_2_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE +#endif }, { /* List terminator */ 0, @@ -130,25 +141,76 @@ static struct mm_region imx8m_mem_map[] = { struct mm_region *mem_map = imx8m_mem_map; +void enable_caches(void) +{ + /* + * If OPTEE runs, remove OPTEE memory from MMU table to + * avoid speculative prefetch. OPTEE runs at the top of + * the first memory bank + */ + if (rom_pointer[1]) + imx8m_mem_map[5].size -= rom_pointer[1]; + + icache_enable(); + dcache_enable(); +} + +static u32 get_cpu_variant_type(u32 type) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[1]; + struct fuse_bank1_regs *fuse = + (struct fuse_bank1_regs *)bank->fuse_regs; + + u32 value = readl(&fuse->tester4); + + if (type == MXC_CPU_IMX8MM) { + switch (value & 0x3) { + case 2: + if (value & 0x1c0000) + return MXC_CPU_IMX8MMDL; + else + return MXC_CPU_IMX8MMD; + case 3: + if (value & 0x1c0000) + return MXC_CPU_IMX8MMSL; + else + return MXC_CPU_IMX8MMS; + default: + if (value & 0x1c0000) + return MXC_CPU_IMX8MML; + break; + } + } + + return type; +} + u32 get_cpu_rev(void) { struct anamix_pll *ana_pll = (struct anamix_pll *)ANATOP_BASE_ADDR; u32 reg = readl(&ana_pll->digprog); u32 type = (reg >> 16) & 0xff; + u32 major_low = (reg >> 8) & 0xff; u32 rom_version; reg &= 0xff; - if (reg == CHIP_REV_1_0) { - /* - * For B0 chip, the DIGPROG is not updated, still TO1.0. - * we have to check ROM version further - */ - rom_version = readl((void __iomem *)ROM_VERSION_A0); - if (rom_version != CHIP_REV_1_0) { - rom_version = readl((void __iomem *)ROM_VERSION_B0); - if (rom_version >= CHIP_REV_2_0) - reg = CHIP_REV_2_0; + /* i.MX8MM */ + if (major_low == 0x41) { + type = get_cpu_variant_type(MXC_CPU_IMX8MM); + } else { + if (reg == CHIP_REV_1_0) { + /* + * For B0 chip, the DIGPROG is not updated, still TO1.0. + * we have to check ROM version further + */ + rom_version = readl((void __iomem *)ROM_VERSION_A0); + if (rom_version != CHIP_REV_1_0) { + rom_version = readl((void __iomem *)ROM_VERSION_B0); + if (rom_version >= CHIP_REV_2_0) + reg = CHIP_REV_2_0; + } } } @@ -167,10 +229,32 @@ static void imx_set_wdog_powerdown(bool enable) writew(enable, &wdog3->wmcr); } +int arch_cpu_init_dm(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_name(UCLASS_CLK, + "clock-controller@30380000", + &dev); + if (ret < 0) { + printf("Failed to find clock node. Check device tree\n"); + return ret; + } + + return 0; +} + int arch_cpu_init(void) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; /* + * ROM might disable clock for SCTR, + * enable the clock before timer_init. + */ + if (IS_ENABLED(CONFIG_SPL_BUILD)) + clock_enable(CCGR_SCTR, 1); + /* * Init timer at very early state, because sscg pll setting * will use it */ @@ -234,16 +318,21 @@ int ft_system_setup(void *blob, bd_t *bd) } #endif +#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_SYSRESET) void reset_cpu(ulong addr) { - struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR; + struct watchdog_regs *wdog = (struct watchdog_regs *)addr; - /* Clear WDA to trigger WDOG_B immediately */ - writew((WCR_WDE | WCR_SRS), &wdog->wcr); + if (!addr) + wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR; - while (1) { - /* - * spin for .5 seconds before reset - */ - } + /* Clear WDA to trigger WDOG_B immediately */ + writew((WCR_WDE | WCR_SRS), &wdog->wcr); + + while (1) { + /* + * spin for .5 seconds before reset + */ + } } +#endif diff --git a/arch/arm/mach-imx/mkimage_fit_atf.sh b/arch/arm/mach-imx/mkimage_fit_atf.sh index 38c9858e84..ad81d5ecab 100755 --- a/arch/arm/mach-imx/mkimage_fit_atf.sh +++ b/arch/arm/mach-imx/mkimage_fit_atf.sh @@ -55,6 +55,7 @@ cat << __HEADER_EOF images { uboot@1 { description = "U-Boot (64-bit)"; + os = "u-boot"; data = /incbin/("$BL33"); type = "standalone"; arch = "arm64"; @@ -63,6 +64,7 @@ cat << __HEADER_EOF }; atf@1 { description = "ARM Trusted Firmware"; + os = "arm-trusted-firmware"; data = /incbin/("$BL31"); type = "firmware"; arch = "arm64"; @@ -114,8 +116,8 @@ if [ -f $BL32 ]; then cat << __CONF_SECTION_EOF config@$cnt { description = "$(basename $dtname .dtb)"; - firmware = "uboot@1"; - loadables = "atf@1", "tee@1"; + firmware = "atf@1"; + loadables = "uboot@1", "tee@1"; fdt = "fdt@$cnt"; }; __CONF_SECTION_EOF @@ -123,8 +125,8 @@ else cat << __CONF_SECTION1_EOF config@$cnt { description = "$(basename $dtname .dtb)"; - firmware = "uboot@1"; - loadables = "atf@1"; + firmware = "atf@1"; + loadables = "uboot@1"; fdt = "fdt@$cnt"; }; __CONF_SECTION1_EOF diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig index fe5991e7c6..7e5a667e81 100644 --- a/arch/arm/mach-imx/mx6/Kconfig +++ b/arch/arm/mach-imx/mx6/Kconfig @@ -87,6 +87,15 @@ config MX6ULL select SYSCOUNTER_TIMER select SYS_L2CACHE_OFF +config MX6_OCRAM_256KB + bool "Support 256KB OCRAM" + depends on MX6D || MX6Q + help + Allows using the full 256KB size of the OCRAM on the MX6Q/MX6D series + of chips, such as for SPL. The OCRAM of the Lite series of chips is + only 128KB, so using this option will prevent the resulting code from + working on those chips. + config MX6_DDRCAL bool "Include dynamic DDR calibration routines" depends on SPL @@ -108,6 +117,7 @@ config TARGET_ADVANTECH_DMS_BA16 config TARGET_APALIS_IMX6 bool "Toradex Apalis iMX6 board" select BOARD_LATE_INIT + select MX6Q select DM select DM_SERIAL select DM_THERMAL @@ -187,6 +197,11 @@ config TARGET_DHCOMIMX6 config TARGET_DISPLAY5 bool "LWN DISPLAY5 board" select DM + select DM_ETH + select DM_I2C + select DM_MMC + select DM_SPI + select DM_GPIO select DM_SERIAL select SUPPORT_SPL imply CMD_DM @@ -412,6 +427,16 @@ config TARGET_OT1200 select SUPPORT_SPL imply CMD_SATA +config TARGET_PICO_IMX6 + bool "PICO-IMX6" + select BOARD_EARLY_INIT_F + select BOARD_LATE_INIT + select DM + select DM_THERMAL + select MX6QDL + select SUPPORT_SPL + imply CMD_DM + config TARGET_PICO_IMX6UL bool "PICO-IMX6UL-EMMC" select MX6UL @@ -599,6 +624,7 @@ source "board/logicpd/imx6/Kconfig" source "board/seco/Kconfig" source "board/sks-kinkel/sksimx6/Kconfig" source "board/solidrun/mx6cuboxi/Kconfig" +source "board/technexion/pico-imx6/Kconfig" source "board/technexion/pico-imx6ul/Kconfig" source "board/tbs/tbs2910/Kconfig" source "board/tqc/tqma6/Kconfig" diff --git a/arch/arm/mach-imx/mx6/clock.c b/arch/arm/mach-imx/mx6/clock.c index 366a4e3c6b..7763c79e1c 100644 --- a/arch/arm/mach-imx/mx6/clock.c +++ b/arch/arm/mach-imx/mx6/clock.c @@ -1152,7 +1152,7 @@ int enable_pcie_clock(void) } #endif -#ifdef CONFIG_SECURE_BOOT +#ifdef CONFIG_IMX_HAB void hab_caam_clock_enable(unsigned char enable) { u32 reg; @@ -1275,6 +1275,22 @@ unsigned int mxc_get_clock(enum mxc_clock clk) return 0; } +#ifndef CONFIG_MX6SX +void enable_ipu_clock(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + int reg; + reg = readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK; + writel(reg, &mxc_ccm->CCGR3); + + if (is_mx6dqp()) { + setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_PRG_CLK0_MASK); + setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU2_IPU_MASK); + } +} +#endif + #ifndef CONFIG_SPL_BUILD /* * Dump some core clockes. @@ -1311,22 +1327,6 @@ int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } -#ifndef CONFIG_MX6SX -void enable_ipu_clock(void) -{ - struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - int reg; - reg = readl(&mxc_ccm->CCGR3); - reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK; - writel(reg, &mxc_ccm->CCGR3); - - if (is_mx6dqp()) { - setbits_le32(&mxc_ccm->CCGR6, MXC_CCM_CCGR6_PRG_CLK0_MASK); - setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU2_IPU_MASK); - } -} -#endif - #if defined(CONFIG_MX6Q) || defined(CONFIG_MX6D) || defined(CONFIG_MX6DL) || \ defined(CONFIG_MX6S) static void disable_ldb_di_clock_sources(void) diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index 075d2467ce..6dccee484c 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -50,7 +50,7 @@ U_BOOT_DEVICE(imx6_thermal) = { }; #endif -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 0, .word = 6, @@ -85,6 +85,10 @@ u32 get_cpu_rev(void) type = MXC_CPU_MX6D; } + if (type == MXC_CPU_MX6ULL) { + if (readl(SRC_BASE_ADDR + 0x1c) & (1 << 6)) + type = MXC_CPU_MX6ULZ; + } } major = ((reg >> 8) & 0xff); if ((major >= 1) && diff --git a/arch/arm/mach-imx/mx7/clock.c b/arch/arm/mach-imx/mx7/clock.c index 4f9724cadb..0e08cabb7a 100644 --- a/arch/arm/mach-imx/mx7/clock.c +++ b/arch/arm/mach-imx/mx7/clock.c @@ -1074,7 +1074,7 @@ void clock_init(void) } } -#ifdef CONFIG_SECURE_BOOT +#ifdef CONFIG_IMX_HAB void hab_caam_clock_enable(unsigned char enable) { if (enable) diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index 3b8e1ba9c3..35160f4b37 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -122,7 +122,7 @@ static void isolate_resource(void) } #endif -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 1, .word = 3, diff --git a/arch/arm/mach-imx/mx7ulp/Kconfig b/arch/arm/mach-imx/mx7ulp/Kconfig index d4b0299dbd..ed5f0aeb2d 100644 --- a/arch/arm/mach-imx/mx7ulp/Kconfig +++ b/arch/arm/mach-imx/mx7ulp/Kconfig @@ -3,12 +3,16 @@ if ARCH_MX7ULP config SYS_SOC default "mx7ulp" +config MX7ULP + bool + choice prompt "MX7ULP board select" optional config TARGET_MX7ULP_EVK - bool "Support mx7ulp EVK board" + bool "Support mx7ulp EVK board" + select MX7ULP select SYS_ARCH_TIMER endchoice diff --git a/arch/arm/mach-imx/mx7ulp/clock.c b/arch/arm/mach-imx/mx7ulp/clock.c index dc317fe810..d3365dd411 100644 --- a/arch/arm/mach-imx/mx7ulp/clock.c +++ b/arch/arm/mach-imx/mx7ulp/clock.c @@ -72,7 +72,7 @@ u32 get_lpuart_clk(void) return pcc_clock_get_rate(lpuart_pcc_clks[index - 4]); } -#ifdef CONFIG_SYS_LPI2C_IMX +#ifdef CONFIG_SYS_I2C_IMX_LPI2C int enable_i2c_clk(unsigned char enable, unsigned i2c_num) { /* Set parent to FIRC DIV2 clock */ @@ -300,9 +300,11 @@ void clock_init(void) scg_a7_soscdiv_init(); - /* APLL PFD1 = 270Mhz, PFD2=480Mhz, PFD3=800Mhz */ + scg_a7_init_core_clk(); + + /* APLL PFD1 = 270Mhz, PFD2=345.6Mhz, PFD3=800Mhz */ scg_enable_pll_pfd(SCG_APLL_PFD1_CLK, 35); - scg_enable_pll_pfd(SCG_APLL_PFD2_CLK, 20); + scg_enable_pll_pfd(SCG_APLL_PFD2_CLK, 28); scg_enable_pll_pfd(SCG_APLL_PFD3_CLK, 12); init_clk_lpuart(); @@ -312,7 +314,7 @@ void clock_init(void) enable_usboh3_clk(1); } -#ifdef CONFIG_SECURE_BOOT +#ifdef CONFIG_IMX_HAB void hab_caam_clock_enable(unsigned char enable) { if (enable) diff --git a/arch/arm/mach-imx/mx7ulp/scg.c b/arch/arm/mach-imx/mx7ulp/scg.c index b4f2ea875a..819c90af6c 100644 --- a/arch/arm/mach-imx/mx7ulp/scg.c +++ b/arch/arm/mach-imx/mx7ulp/scg.c @@ -352,7 +352,7 @@ static u32 scg_ddr_get_rate(void) static u32 scg_nic_get_rate(enum scg_clk clk) { - u32 reg, val, rate; + u32 reg, val, rate, nic0_rate; u32 shift, mask; reg = readl(&scg1_regs->niccsr); @@ -370,6 +370,7 @@ static u32 scg_nic_get_rate(enum scg_clk clk) val = (reg & SCG_NICCSR_NIC0DIV_MASK) >> SCG_NICCSR_NIC0DIV_SHIFT; rate = rate / (val + 1); + nic0_rate = rate; clk_debug("scg_nic_get_rate NIC0 rate %u\n", rate); @@ -411,6 +412,13 @@ static u32 scg_nic_get_rate(enum scg_clk clk) return 0; } + /* + * On RevB, the nic_bus and nic_ext dividers are parallel + * not chained with nic div + */ + if (soc_rev() >= CHIP_REV_2_0) + rate = nic0_rate; + val = (reg & mask) >> shift; rate = rate / (val + 1); @@ -440,7 +448,7 @@ static u32 scg_sys_get_rate(enum scg_clk clk) case SCG_SCS_SLOW_IRC: case SCG_SCS_FAST_IRC: case SCG_SCS_RTC_OSC: - rate = scg_src_get_rate(scg_scs_array[val]); + rate = scg_src_get_rate(scg_scs_array[val - 1]); break; case 5: rate = scg_apll_get_rate(); @@ -503,7 +511,10 @@ u32 decode_pll(enum pll_clocks pll) infreq = infreq / pre_div; - return infreq * mult + infreq * num / denom; + if (denom) + return infreq * mult + infreq * num / denom; + else + return infreq * mult; case PLL_A7_APLL: reg = readl(&scg1_regs->apllcsr); @@ -532,7 +543,10 @@ u32 decode_pll(enum pll_clocks pll) infreq = infreq / pre_div; - return infreq * mult + infreq * num / denom; + if (denom) + return infreq * mult + infreq * num / denom; + else + return infreq * mult; case PLL_USB: reg = readl(&scg1_regs->upllcsr); @@ -1085,3 +1099,44 @@ void scg_a7_info(void) debug("SCG RCCR Value: 0x%x\n", readl(&scg1_regs->rccr)); debug("SCG Clock Status: 0x%x\n", readl(&scg1_regs->csr)); } + +void scg_a7_init_core_clk(void) +{ + u32 val = 0; + + /* + * The normal target frequency for ULP B0 is 500Mhz, + * but ROM set it to 413Mhz, need to change SPLL PFD0 FRAC + */ + if (soc_rev() >= CHIP_REV_2_0) { + /* Switch RCCR SCG to SOSC, firstly check the SOSC is valid */ + if ((readl(&scg1_regs->sosccsr) & SCG_SOSC_CSR_SOSCVLD_MASK)) { + val = readl(&scg1_regs->rccr); + val &= (~SCG_CCR_SCS_MASK); + val |= ((SCG_SCS_SYS_OSC) << SCG_CCR_SCS_SHIFT); + writel(val, &scg1_regs->rccr); + + /* Switch the PLLS to SPLL clk */ + val = readl(&scg1_regs->spllcfg); + val &= ~SCG_PLL_CFG_PLLSEL_MASK; + writel(val, &scg1_regs->spllcfg); + + /* + * Re-configure PFD0 to 19, + * A7 SPLL(528MHz) * 18 / 19 = 500MHz + */ + scg_enable_pll_pfd(SCG_SPLL_PFD0_CLK, 19); + + /* Switch the PLLS to SPLL PFD0 */ + val = readl(&scg1_regs->spllcfg); + val |= SCG_PLL_CFG_PLLSEL_MASK; + writel(val, &scg1_regs->spllcfg); + + /* Set RCCR SCG to SPLL clk out */ + val = readl(&scg1_regs->rccr); + val &= (~SCG_CCR_SCS_MASK); + val |= ((SCG_SCS_SYS_PLL) << SCG_CCR_SCS_SHIFT); + writel(val, &scg1_regs->rccr); + } + } +} diff --git a/arch/arm/mach-imx/mx7ulp/soc.c b/arch/arm/mach-imx/mx7ulp/soc.c index c72f0ed3fc..127fcfeea1 100644 --- a/arch/arm/mach-imx/mx7ulp/soc.c +++ b/arch/arm/mach-imx/mx7ulp/soc.c @@ -6,21 +6,25 @@ #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> #include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/hab.h> static char *get_reset_cause(char *); -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 29, .word = 6, }; #endif +#define ROM_VERSION_ADDR 0x80 u32 get_cpu_rev(void) { - /* Temporally hard code the CPU rev to 0x73, rev 1.0. Fix it later */ - return (MXC_CPU_MX7ULP << 12) | (1 << 4); + /* Check the ROM version for cpu revision */ + u32 rom_version = readl((void __iomem *)ROM_VERSION_ADDR); + + return (MXC_CPU_MX7ULP << 12) | (rom_version & 0xFF); } #ifdef CONFIG_REVISION_TAG @@ -105,6 +109,10 @@ void s_init(void) /* clock configuration. */ clock_init(); + if (soc_rev() < CHIP_REV_2_0) { + /* enable dumb pmic */ + writel((readl(SNVS_LP_LPCR) | SNVS_LPCR_DPEN), SNVS_LP_LPCR); + } return; } @@ -244,3 +252,29 @@ int mmc_get_env_dev(void) return board_mmc_get_env_dev(devno); } #endif + +enum boot_device get_boot_device(void) +{ + struct bootrom_sw_info **p = + (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; + + enum boot_device boot_dev = SD1_BOOT; + u8 boot_type = (*p)->boot_dev_type; + u8 boot_instance = (*p)->boot_dev_instance; + + switch (boot_type) { + case BOOT_TYPE_SD: + boot_dev = boot_instance + SD1_BOOT; + break; + case BOOT_TYPE_MMC: + boot_dev = boot_instance + MMC1_BOOT; + break; + case BOOT_TYPE_USB: + boot_dev = USB_BOOT; + break; + default: + break; + } + + return boot_dev; +} diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c index 1f230aca33..f025c4b301 100644 --- a/arch/arm/mach-imx/spl.c +++ b/arch/arm/mach-imx/spl.c @@ -18,13 +18,17 @@ DECLARE_GLOBAL_DATA_PTR; +__weak int spl_board_boot_device(enum boot_device boot_dev_spl) +{ + return 0; +} + #if defined(CONFIG_MX6) /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ u32 spl_boot_device(void) { unsigned int bmode = readl(&src_base->sbmr2); u32 reg = imx6_src_get_boot_mode(); - u32 mmc_index = ((reg >> 11) & 0x03); /* * Check for BMODE if serial downloader is enabled @@ -85,15 +89,19 @@ u32 spl_boot_device(void) /* SD/eSD: 8.5.3, Table 8-15 */ case IMX6_BMODE_SD: case IMX6_BMODE_ESD: + return BOOT_DEVICE_MMC1; + /* MMC/eMMC: 8.5.3 */ case IMX6_BMODE_MMC: case IMX6_BMODE_EMMC: - if (mmc_index == 1) - return BOOT_DEVICE_MMC2; - else - return BOOT_DEVICE_MMC1; + return BOOT_DEVICE_MMC1; /* NAND Flash: 8.5.2, Table 8-10 */ case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX: return BOOT_DEVICE_NAND; +#if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL) + /* QSPI boot */ + case IMX6_BMODE_QSPI: + return BOOT_DEVICE_SPI; +#endif } return BOOT_DEVICE_NONE; } @@ -127,6 +135,9 @@ u32 spl_boot_device(void) enum boot_device boot_device_spl = get_boot_device(); + if (IS_ENABLED(CONFIG_IMX8MM)) + return spl_board_boot_device(boot_device_spl); + switch (boot_device_spl) { #if defined(CONFIG_MX7) case SD1_BOOT: @@ -178,7 +189,18 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) /* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */ u32 spl_boot_mode(const u32 boot_device) { +/* + * When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used + * unconditionally to decide about device to use for booting. + * This is crucial for falcon boot mode, when board boots up (i.e. ROM + * loads SPL) from slow SPI-NOR memory and afterwards the SPL's 'falcon' boot + * mode is used to load Linux OS from eMMC partition. + */ +#ifdef CONFIG_SPL_FORCE_MMC_BOOT + switch (boot_device) { +#else switch (spl_boot_device()) { +#endif /* for MMC return either RAW or FAT mode */ case BOOT_DEVICE_MMC1: case BOOT_DEVICE_MMC2: @@ -198,7 +220,7 @@ u32 spl_boot_mode(const u32 boot_device) } #endif -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) /* * +------------+ 0x0 (DDR_UIMAGE_START) - @@ -261,6 +283,7 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) } } +#if !defined(CONFIG_SPL_FIT_SIGNATURE) ulong board_spl_fit_size_align(ulong size) { /* @@ -285,6 +308,7 @@ void board_spl_fit_post_load(ulong load_addr, size_t length) hang(); } } +#endif #endif diff --git a/arch/arm/mach-imx/spl_qspi.cfg b/arch/arm/mach-imx/spl_qspi.cfg new file mode 100644 index 0000000000..88956e626f --- /dev/null +++ b/arch/arm/mach-imx/spl_qspi.cfg @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + */ + +#define __ASSEMBLY__ +#include <config.h> + +IMAGE_VERSION 2 +BOOT_FROM qspi + +/* + * Secure boot support + */ +#ifdef CONFIG_SECURE_BOOT +CSF CONFIG_CSF_SIZE +#endif diff --git a/arch/arm/mach-imx/spl_sd.cfg b/arch/arm/mach-imx/spl_sd.cfg index e791debf10..dbaee81535 100644 --- a/arch/arm/mach-imx/spl_sd.cfg +++ b/arch/arm/mach-imx/spl_sd.cfg @@ -12,6 +12,6 @@ BOOT_FROM sd /* * Secure boot support */ -#ifdef CONFIG_SECURE_BOOT +#ifdef CONFIG_IMX_HAB CSF CONFIG_CSF_SIZE #endif |