// SPDX-License-Identifier: GPL-2.0+
/*
- * K3: Architecture initialization
+ * AM6: SoC specific initialization
*
* Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
* Lokesh Vutla <lokeshvutla@ti.com>
*/
#include <common.h>
+#include <init.h>
#include <asm/io.h>
#include <spl.h>
#include <asm/arch/hardware.h>
+#include <asm/arch/sysfw-loader.h>
+#include <asm/arch/sys_proto.h>
#include "common.h"
#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/pinctrl.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+#include <mmc.h>
#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_K3_LOAD_SYSFW
+#ifdef CONFIG_TI_SECURE_DEVICE
+struct fwl_data main_cbass_fwls[] = {
+ { "MMCSD1_CFG", 2057, 1 },
+ { "MMCSD0_CFG", 2058, 1 },
+ { "USB3SS0_SLV0", 2176, 2 },
+ { "PCIE0_SLV", 2336, 8 },
+ { "PCIE1_SLV", 2337, 8 },
+ { "PCIE0_CFG", 2688, 1 },
+ { "PCIE1_CFG", 2689, 1 },
+}, mcu_cbass_fwls[] = {
+ { "MCU_ARMSS0_CORE0_SLV", 1024, 1 },
+ { "MCU_ARMSS0_CORE1_SLV", 1028, 1 },
+ { "MCU_FSS0_S1", 1033, 8 },
+ { "MCU_FSS0_S0", 1036, 8 },
+ { "MCU_CPSW0", 1220, 1 },
+};
+#endif
+#endif
+
static void mmr_unlock(u32 base, u32 partition)
{
/* Translate the base address */
mmr_unlock(CTRL_MMR0_BASE, 7);
}
+/*
+ * 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 __attribute__((section(".data")));
+
static void store_boot_index_from_rom(void)
{
- u32 *boot_index = (u32 *)K3_BOOT_PARAM_TABLE_INDEX_VAL;
+ bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);
+}
+
+#if defined(CONFIG_K3_LOAD_SYSFW)
+void k3_mmc_stop_clock(void)
+{
+ 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 (spl_boot_device() == BOOT_DEVICE_MMC1) {
+ struct mmc *mmc = find_mmc_device(0);
- *boot_index = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);
+ if (!mmc)
+ return;
+
+ mmc_set_clock(mmc, mmc->saved_clock, false);
+ }
}
+#endif
void board_init_f(ulong dummy)
{
-#if defined(CONFIG_K3_AM654_DDRSS)
+#if defined(CONFIG_K3_LOAD_SYSFW) || defined(CONFIG_K3_AM654_DDRSS)
struct udevice *dev;
int ret;
#endif
ctrl_mmr_unlock();
#ifdef CONFIG_CPU_V7R
+ disable_linefill_optimization();
setup_k3_mpu_regions();
#endif
/* Init DM early in-order to invoke system controller */
spl_early_init();
+#ifdef CONFIG_K3_EARLY_CONS
+ /*
+ * Allow establishing an early console as required for example when
+ * doing a UART-based boot. Note that this console may not "survive"
+ * through a SYSFW PM-init step and will need a re-init in some way
+ * due to changing module clock frequencies.
+ */
+ early_console_init();
+#endif
+
+#ifdef 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, true, &dev);
+ if (!ret)
+ pinctrl_select_state(dev, "default");
+
+ /*
+ * Load, start up, and configure system controller firmware while
+ * also populating the SYSFW post-PM configuration callback hook.
+ */
+ k3_sysfw_loader(k3_mmc_stop_clock, k3_mmc_restart_clock);
+
+ /* Prepare console output */
+ preloader_console_init();
+
+ /* Disable ROM configured firewalls right after loading sysfw */
+#ifdef CONFIG_TI_SECURE_DEVICE
+ remove_fwl_configs(main_cbass_fwls, ARRAY_SIZE(main_cbass_fwls));
+ remove_fwl_configs(mcu_cbass_fwls, ARRAY_SIZE(mcu_cbass_fwls));
+#endif
+#else
/* Prepare console output */
preloader_console_init();
+#endif
+
+ /* Output System Firmware version info */
+ k3_sysfw_print_ver();
+
+ /* Perform EEPROM-based board detection */
+ do_board_detect();
+
+#if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0)
+ ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(k3_avs),
+ &dev);
+ if (ret)
+ printf("AVS init failed: %d\n", ret);
+#endif
#ifdef CONFIG_K3_AM654_DDRSS
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret)
panic("DRAM init failed: %d\n", ret);
#endif
+ spl_enable_dcache();
}
-u32 spl_boot_mode(const u32 boot_device)
+u32 spl_mmc_boot_mode(const u32 boot_device)
{
#if defined(CONFIG_SUPPORT_EMMC_BOOT)
u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
- u32 bootindex = readl(K3_BOOT_PARAM_TABLE_INDEX_VAL);
u32 bootmode = (devstat & CTRLMMR_MAIN_DEVSTAT_BOOTMODE_MASK) >>
CTRLMMR_MAIN_DEVSTAT_BOOTMODE_SHIFT;
u32 spl_boot_device(void)
{
u32 devstat = readl(CTRLMMR_MAIN_DEVSTAT);
- u32 bootindex = readl(K3_BOOT_PARAM_TABLE_INDEX_VAL);
if (bootindex == K3_PRIMARY_BOOTMODE)
return __get_primary_bootmedia(devstat);
}
#endif
-#ifndef CONFIG_SYSRESET
-void reset_cpu(ulong ignored)
+#ifdef CONFIG_SYS_K3_SPL_ATF
+
+#define AM6_DEV_MCU_RTI0 134
+#define AM6_DEV_MCU_RTI1 135
+#define AM6_DEV_MCU_ARMSS0_CPU0 159
+#define AM6_DEV_MCU_ARMSS0_CPU1 245
+
+void release_resources_for_core_shutdown(void)
{
+ struct ti_sci_handle *ti_sci = get_ti_sci_handle();
+ struct ti_sci_dev_ops *dev_ops = &ti_sci->ops.dev_ops;
+ struct ti_sci_proc_ops *proc_ops = &ti_sci->ops.proc_ops;
+ int ret;
+ u32 i;
+
+ const u32 put_device_ids[] = {
+ AM6_DEV_MCU_RTI0,
+ AM6_DEV_MCU_RTI1,
+ };
+
+ /* 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[] = {
+ AM6_DEV_MCU_ARMSS0_CPU1,
+ AM6_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);
+ }
}
#endif
projects / oweals / u-boot.git / blobdiff