X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=common%2Fspl%2Fspl.c;h=774fdad2523b7ff0e4f5a48371756053fda0e7a6;hb=1ad6364eeb4f578e423081d1748e8a3fdf1ab01d;hp=f2f6de7f2ac8d684c003e939eae6d5c75443aaca;hpb=4212098181ac91e14374c1207b1e98595f1cc717;p=platform%2Fkernel%2Fu-boot.git diff --git a/common/spl/spl.c b/common/spl/spl.c index f2f6de7..774fdad 100644 --- a/common/spl/spl.c +++ b/common/spl/spl.c @@ -4,23 +4,7 @@ * * Aneesh V * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include @@ -48,13 +32,6 @@ struct spl_image_info spl_image; /* Define board data structure */ static bd_t bdata __attribute__ ((section(".data"))); -inline void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} - /* * Default function to determine if u-boot or the OS should * be started. This implementation always returns 1. @@ -74,6 +51,16 @@ __weak int spl_start_uboot(void) } #endif +/* + * Weak default function for board specific cleanup/preparation before + * Linux boot. Some boards/platforms might not need it, so just provide + * an empty stub here. + */ +__weak void spl_board_prepare_for_linux(void) +{ + /* Nothing to do! */ +} + void spl_parse_image_header(const struct image_header *header) { u32 header_size = sizeof(struct image_header); @@ -98,8 +85,9 @@ void spl_parse_image_header(const struct image_header *header) } spl_image.os = image_get_os(header); spl_image.name = image_get_name(header); - debug("spl: payload image: %s load addr: 0x%x size: %d\n", - spl_image.name, spl_image.load_addr, spl_image.size); + debug("spl: payload image: %.*s load addr: 0x%x size: %d\n", + sizeof(spl_image.name), spl_image.name, + spl_image.load_addr, spl_image.size); } else { /* Signature not found - assume u-boot.bin */ debug("mkimage signature not found - ih_magic = %x\n", @@ -113,20 +101,33 @@ void spl_parse_image_header(const struct image_header *header) } } -static void __noreturn jump_to_image_no_args(void) +__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) { - typedef void __noreturn (*image_entry_noargs_t)(u32 *); + typedef void __noreturn (*image_entry_noargs_t)(void); + image_entry_noargs_t image_entry = - (image_entry_noargs_t) spl_image.entry_point; + (image_entry_noargs_t) spl_image->entry_point; - debug("image entry point: 0x%X\n", spl_image.entry_point); - /* Pass the saved boot_params from rom code */ -#if defined(CONFIG_VIRTIO) || defined(CONFIG_ZEBU) - image_entry = (image_entry_noargs_t)0x80100000; -#endif - u32 boot_params_ptr_addr = (u32)&boot_params_ptr; - image_entry((u32 *)boot_params_ptr_addr); + debug("image entry point: 0x%X\n", spl_image->entry_point); + image_entry(); +} + +#ifdef CONFIG_SPL_RAM_DEVICE +static void spl_ram_load_image(void) +{ + const struct image_header *header; + + /* + * Get the header. It will point to an address defined by handoff + * which will tell where the image located inside the flash. For + * now, it will temporary fixed to address pointed by U-Boot. + */ + header = (struct image_header *) + (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header)); + + spl_parse_image_header(header); } +#endif void board_init_r(gd_t *dummy1, ulong dummy2) { @@ -138,6 +139,14 @@ void board_init_r(gd_t *dummy1, ulong dummy2) CONFIG_SYS_SPL_MALLOC_SIZE); #endif +#ifndef CONFIG_PPC + /* + * timer_init() does not exist on PPC systems. The timer is initialized + * and enabled (decrementer) in interrupt_init() here. + */ + timer_init(); +#endif + #ifdef CONFIG_SPL_BOARD_INIT spl_board_init(); #endif @@ -145,6 +154,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2) boot_device = spl_boot_device(); debug("boot device - %d\n", boot_device); switch (boot_device) { +#ifdef CONFIG_SPL_RAM_DEVICE + case BOOT_DEVICE_RAM: + spl_ram_load_image(); + break; +#endif #ifdef CONFIG_SPL_MMC_SUPPORT case BOOT_DEVICE_MMC1: case BOOT_DEVICE_MMC2: @@ -157,6 +171,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2) spl_nand_load_image(); break; #endif +#ifdef CONFIG_SPL_ONENAND_SUPPORT + case BOOT_DEVICE_ONENAND: + spl_onenand_load_image(); + break; +#endif #ifdef CONFIG_SPL_NOR_SUPPORT case BOOT_DEVICE_NOR: spl_nor_load_image(); @@ -172,6 +191,30 @@ void board_init_r(gd_t *dummy1, ulong dummy2) spl_spi_load_image(); break; #endif +#ifdef CONFIG_SPL_ETH_SUPPORT + case BOOT_DEVICE_CPGMAC: +#ifdef CONFIG_SPL_ETH_DEVICE + spl_net_load_image(CONFIG_SPL_ETH_DEVICE); +#else + spl_net_load_image(NULL); +#endif + break; +#endif +#ifdef CONFIG_SPL_USBETH_SUPPORT + case BOOT_DEVICE_USBETH: + spl_net_load_image("usb_ether"); + break; +#endif +#ifdef CONFIG_SPL_USB_SUPPORT + case BOOT_DEVICE_USB: + spl_usb_load_image(); + break; +#endif +#ifdef CONFIG_SPL_SATA_SUPPORT + case BOOT_DEVICE_SATA: + spl_sata_load_image(); + break; +#endif default: debug("SPL: Un-supported Boot Device\n"); hang(); @@ -190,7 +233,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2) default: debug("Unsupported OS image.. Jumping nevertheless..\n"); } - jump_to_image_no_args(); + jump_to_image_no_args(&spl_image); } /* @@ -200,7 +243,6 @@ void board_init_r(gd_t *dummy1, ulong dummy2) void preloader_console_init(void) { gd->bd = &bdata; - gd->flags |= GD_FLG_RELOC; gd->baudrate = CONFIG_BAUDRATE; serial_init(); /* serial communications setup */