4 * Common bootmode functions for omap based boards
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * SPDX-License-Identifier: GPL-2.0+
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;
69 * When booting from peripheral booting, the boot device is not usable
70 * as-is (unless there is support for it), so the boot device is instead
71 * figured out using the SYS_BOOT pins.
73 switch (boot_device) {
74 #if defined(BOOT_DEVICE_UART) && !defined(CONFIG_SPL_YMODEM_SUPPORT)
75 case BOOT_DEVICE_UART:
79 #if defined(BOOT_DEVICE_USB) && !defined(CONFIG_SPL_USB_SUPPORT)
84 #if defined(BOOT_DEVICE_USBETH) && !defined(CONFIG_SPL_USBETH_SUPPORT)
85 case BOOT_DEVICE_USBETH:
89 #if defined(BOOT_DEVICE_CPGMAC) && !defined(CONFIG_SPL_ETH_SUPPORT)
90 case BOOT_DEVICE_CPGMAC:
96 if (sys_boot_device) {
97 boot_device = omap_sys_boot_device();
99 /* MMC raw mode will fallback to FS mode. */
100 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
101 (boot_device <= MMC_BOOT_DEVICES_END))
102 boot_mode = MMCSD_MODE_RAW;
105 gd->arch.omap_boot_device = boot_device;
109 #ifdef CONFIG_OMAP34XX
110 if ((boot_device >= MMC_BOOT_DEVICES_START) &&
111 (boot_device <= MMC_BOOT_DEVICES_END)) {
112 switch (boot_device) {
113 case BOOT_DEVICE_MMC1:
114 case BOOT_DEVICE_MMC2:
115 boot_mode = MMCSD_MODE_RAW;
121 * If the boot device was dynamically changed and doesn't match what
122 * the bootrom initially booted, we cannot use the boot device
123 * descriptor to figure out the boot mode.
125 if ((boot_device == omap_boot_params->boot_device) &&
126 (boot_device >= MMC_BOOT_DEVICES_START) &&
127 (boot_device <= MMC_BOOT_DEVICES_END)) {
128 boot_params = omap_boot_params->boot_device_descriptor;
129 if ((boot_params < NON_SECURE_SRAM_START) ||
130 (boot_params > NON_SECURE_SRAM_END))
133 boot_params = *((u32 *)(boot_params + DEVICE_DATA_OFFSET));
134 if ((boot_params < NON_SECURE_SRAM_START) ||
135 (boot_params > NON_SECURE_SRAM_END))
138 boot_mode = *((u32 *)(boot_params + BOOT_MODE_OFFSET));
140 if (boot_mode != MMCSD_MODE_FS &&
141 boot_mode != MMCSD_MODE_RAW)
142 #ifdef CONFIG_SUPPORT_EMMC_BOOT
143 boot_mode = MMCSD_MODE_EMMCBOOT;
145 boot_mode = MMCSD_MODE_UNDEFINED;
150 gd->arch.omap_boot_mode = boot_mode;
152 #if !defined(CONFIG_TI814X) && !defined(CONFIG_TI816X) && \
153 !defined(CONFIG_AM33XX) && !defined(CONFIG_AM43XX)
157 gd->arch.omap_ch_flags = omap_boot_params->ch_flags;
161 #ifdef CONFIG_SPL_BUILD
162 u32 spl_boot_device(void)
164 return gd->arch.omap_boot_device;
167 u32 spl_boot_mode(void)
169 return gd->arch.omap_boot_mode;
172 void spl_board_init(void)
175 * Save the boot parameters passed from romcode.
176 * We cannot delay the saving further than this,
177 * to prevent overwrites.
179 save_omap_boot_params();
181 /* Prepare console output */
182 preloader_console_init();
184 #if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
187 #ifdef CONFIG_SPL_I2C_SUPPORT
188 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
190 #if defined(CONFIG_AM33XX) && defined(CONFIG_SPL_MUSB_NEW_SUPPORT)
193 #if defined(CONFIG_HW_WATCHDOG)
197 am33xx_spl_board_init();
201 int board_mmc_init(bd_t *bis)
203 switch (spl_boot_device()) {
204 case BOOT_DEVICE_MMC1:
205 omap_mmc_init(0, 0, 0, -1, -1);
207 case BOOT_DEVICE_MMC2:
208 case BOOT_DEVICE_MMC2_2:
209 omap_mmc_init(0, 0, 0, -1, -1);
210 omap_mmc_init(1, 0, 0, -1, -1);
216 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
218 typedef void __noreturn (*image_entry_noargs_t)(u32 *);
219 image_entry_noargs_t image_entry =
220 (image_entry_noargs_t) spl_image->entry_point;
222 u32 boot_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS);
224 debug("image entry point: 0x%X\n", spl_image->entry_point);
225 /* Pass the saved boot_params from rom code */
226 image_entry((u32 *)boot_params);
230 #ifdef CONFIG_SCSI_AHCI_PLAT
231 void arch_preboot_os(void)
233 ahci_reset((void __iomem *)DWC_AHSATA_BASE);
237 #if defined(CONFIG_USB_FUNCTION_FASTBOOT) && !defined(CONFIG_ENV_IS_NOWHERE)
238 int fb_set_reboot_flag(void)
240 printf("Setting reboot to fastboot flag ...\n");
241 setenv("dofastboot", "1");