1 // SPDX-License-Identifier: GPL-2.0+
5 * Common bootmode functions for omap based boards
7 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
12 #include <environment.h>
14 #include <asm/omap_common.h>
15 #include <asm/arch/omap.h>
16 #include <asm/arch/mmc_host_def.h>
17 #include <asm/arch/sys_proto.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 __weak u32 omap_sys_boot_device(void)
26 return BOOT_DEVICE_NONE;
29 void save_omap_boot_params(void)
31 u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
32 struct omap_boot_parameters *omap_boot_params;
33 int sys_boot_device = 0;
37 if ((boot_params < NON_SECURE_SRAM_START) ||
38 (boot_params > NON_SECURE_SRAM_END))
41 omap_boot_params = (struct omap_boot_parameters *)boot_params;
43 boot_device = omap_boot_params->boot_device;
44 boot_mode = MMCSD_MODE_UNDEFINED;
48 #ifdef BOOT_DEVICE_NAND_I2C
50 * Re-map NAND&I2C boot-device to the "normal" NAND boot-device.
51 * Otherwise the SPL boot IF can't handle this device correctly.
52 * Somehow booting with Hynix 4GBit NAND H27U4G8 on Siemens
53 * Draco leads to this boot-device passed to SPL from the BootROM.
55 if (boot_device == BOOT_DEVICE_NAND_I2C)
56 boot_device = BOOT_DEVICE_NAND;
58 #ifdef BOOT_DEVICE_QSPI_4
60 * We get different values for QSPI_1 and QSPI_4 being used, but
61 * don't actually care about this difference. Rather than
62 * mangle the later code, if we're coming in as QSPI_4 just
63 * change to the QSPI_1 value.
65 if (boot_device == BOOT_DEVICE_QSPI_4)
66 boot_device = BOOT_DEVICE_SPI;
70 * On PG2.0 and later TI816x the values we get when booting are not the
71 * same as on PG1.0, which is what the defines are based on. Update
74 if (get_cpu_rev() != 1) {
75 if (boot_device == 0x05) {
76 omap_boot_params->boot_device = BOOT_DEVICE_NAND;
77 boot_device = BOOT_DEVICE_NAND;
79 if (boot_device == 0x08) {
80 omap_boot_params->boot_device = BOOT_DEVICE_MMC1;
81 boot_device = BOOT_DEVICE_MMC1;
86 * When booting from peripheral booting, the boot device is not usable
87 * as-is (unless there is support for it), so the boot device is instead
88 * figured out using the SYS_BOOT pins.
90 switch (boot_device) {
91 #if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
92 case BOOT_DEVICE_UART:
96 #if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_SUPPORT)
101 #if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USB_ETHER)
102 case BOOT_DEVICE_USBETH:
106 #if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH_SUPPORT)
107 case BOOT_DEVICE_CPGMAC:
111 #if defined(BOOT_DEVICE_DFU) && !defined(CONFIG_SPL_DFU_SUPPORT)
112 case BOOT_DEVICE_DFU:
118 if (sys_boot_device) {
119 boot_device = omap_sys_boot_device();
121 /* MMC raw mode will fallback to FS mode. */
122 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
123 (boot_device <= MMC_BOOT_DEVICES_END))
124 boot_mode = MMCSD_MODE_RAW;
127 gd->arch.omap_boot_device = boot_device;
131 #ifdef CONFIG_OMAP34XX
132 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
133 (boot_device <= MMC_BOOT_DEVICES_END)) {
134 switch (boot_device) {
135 case BOOT_DEVICE_MMC1:
136 boot_mode = MMCSD_MODE_FS;
138 case BOOT_DEVICE_MMC2:
139 boot_mode = MMCSD_MODE_RAW;
145 * If the boot device was dynamically changed and doesn't match what
146 * the bootrom initially booted, we cannot use the boot device
147 * descriptor to figure out the boot mode.
149 if ((boot_device == omap_boot_params->boot_device) &&
150 (boot_device >= MMC_BOOT_DEVICES_START) &&
151 (boot_device <= MMC_BOOT_DEVICES_END)) {
152 boot_params = omap_boot_params->boot_device_descriptor;
153 if ((boot_params < NON_SECURE_SRAM_START) ||
154 (boot_params > NON_SECURE_SRAM_END))
157 boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET));
158 if ((boot_params < NON_SECURE_SRAM_START) ||
159 (boot_params > NON_SECURE_SRAM_END))
162 boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET));
164 if (boot_mode != MMCSD_MODE_FS &&
165 boot_mode != MMCSD_MODE_RAW)
166 #ifdef CONFIG_SUPPORT_EMMC_BOOT
167 boot_mode = MMCSD_MODE_EMMCBOOT;
169 boot_mode = MMCSD_MODE_UNDEFINED;
174 gd->arch.omap_boot_mode = boot_mode;
176 #if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
177 !defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)
181 gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
185 #ifdef CONFIG_SPL_BUILD
186 u32 spl_boot_device(void)
188 return gd->arch.omap_boot_device;
191 u32 spl_boot_mode(const u32 boot_device)
193 return gd->arch.omap_boot_mode;
196 void spl_board_init(void)
198 #ifdef CONFIG_SPL_SERIAL_SUPPORT
199 /* Prepare console output */
200 preloader_console_init();
202 #if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
205 #ifdef CONFIG_SPL_I2C_SUPPORT
206 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
208 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
211 #if defined(CONFIG_HW_WATCHDOG)
215 am33xx_spl_board_init();
219 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
221 typedef void __noreturn (*image_entry_noargs_t)(u32 *);
222 image_entry_noargs_t image_entry =
223 (image_entry_noargs_t) spl_image->entry_point;
225 u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
227 debug("image entry point: 0x%lX\n", spl_image->entry_point);
228 /* Pass the saved boot_params from rom code */
229 image_entry((u32 *)boot_params);
233 #ifdef CONFIG_SCSI_AHCI_PLAT
234 void arch_preboot_os(void)
236 ahci_reset((void __iomem *)DWC_AHSATA_BASE);