diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/spear/spl_boot.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/spear/spl_boot.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/arch/arm/cpu/arm926ejs/spear/spl_boot.c b/arch/arm/cpu/arm926ejs/spear/spl_boot.c deleted file mode 100644 index c846d758c9..0000000000 --- a/arch/arm/cpu/arm926ejs/spear/spl_boot.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * (C) Copyright 2000-2009 - * Vipin Kumar, ST Microelectronics, vipin.kumar@st.com - * - * Copyright (C) 2012 Stefan Roese <sr@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <image.h> -#include <linux/compiler.h> -#include <asm/io.h> -#include <asm/arch/spr_defs.h> -#include <linux/mtd/st_smi.h> - -static const char kernel_name[] = "Linux"; -static const char loader_name[] = "U-Boot"; - -int image_check_header(image_header_t *hdr, const char *name) -{ - if (image_check_magic(hdr) && - (!strncmp(image_get_name(hdr), name, strlen(name))) && - image_check_hcrc(hdr)) { - return 1; - } - return 0; -} - -int image_check_data(image_header_t *hdr) -{ - if (image_check_dcrc(hdr)) - return 1; - - return 0; -} - -/* - * SNOR (Serial NOR flash) related functions - */ -void snor_init(void) -{ - struct smi_regs *const smicntl = - (struct smi_regs * const)CONFIG_SYS_SMI_BASE; - - /* Setting the fast mode values. SMI working at 166/4 = 41.5 MHz */ - writel(HOLD1 | FAST_MODE | BANK_EN | DSEL_TIME | PRESCAL4, - &smicntl->smi_cr1); -} - -static int snor_image_load(u8 *load_addr, void (**image_p)(void), - const char *image_name) -{ - image_header_t *header; - - /* - * Since calculating the crc in the SNOR flash does not - * work, we copy the image to the destination address - * minus the header size. And point the header to this - * new destination. This will not work for address 0 - * of course. - */ - header = (image_header_t *)load_addr; - memcpy((ulong *)(image_get_load(header) - sizeof(image_header_t)), - (const ulong *)load_addr, - image_get_data_size(header) + sizeof(image_header_t)); - header = (image_header_t *)(image_get_load(header) - - sizeof(image_header_t)); - - if (image_check_header(header, image_name)) { - if (image_check_data(header)) { - /* Jump to boot image */ - *image_p = (void *)image_get_load(header); - return 1; - } - } - - return 0; -} - -static void boot_image(void (*image)(void)) -{ - void (*funcp)(void) __noreturn = (void *)image; - - (*funcp)(); -} - -/* - * spl_boot: - * - * All supported booting types of all supported SoCs are listed here. - * Generic readback APIs are provided for each supported booting type - * eg. nand_read_skip_bad - */ -u32 spl_boot(void) -{ - void (*image)(void); - -#ifdef CONFIG_SPEAR_USBTTY - plat_late_init(); - return 1; -#endif - - /* - * All the supported booting devices are listed here. Each of - * the booting type supported by the platform would define the - * macro xxx_BOOT_SUPPORTED to true. - */ - - if (SNOR_BOOT_SUPPORTED && snor_boot_selected()) { - /* SNOR-SMI initialization */ - snor_init(); - - serial_puts("Booting via SNOR\n"); - /* Serial NOR booting */ - if (1 == snor_image_load((u8 *)CONFIG_SYS_UBOOT_BASE, - &image, loader_name)) { - /* Platform related late initialasations */ - plat_late_init(); - - /* Jump to boot image */ - serial_puts("Jumping to U-Boot\n"); - boot_image(image); - return 1; - } - } - - if (NAND_BOOT_SUPPORTED && nand_boot_selected()) { - /* NAND booting */ - /* Not ported from XLoader to SPL yet */ - return 0; - } - - if (PNOR_BOOT_SUPPORTED && pnor_boot_selected()) { - /* PNOR booting */ - /* Not ported from XLoader to SPL yet */ - return 0; - } - - if (MMC_BOOT_SUPPORTED && mmc_boot_selected()) { - /* MMC booting */ - /* Not ported from XLoader to SPL yet */ - return 0; - } - - if (SPI_BOOT_SUPPORTED && spi_boot_selected()) { - /* SPI booting */ - /* Not supported for any platform as of now */ - return 0; - } - - if (I2C_BOOT_SUPPORTED && i2c_boot_selected()) { - /* I2C booting */ - /* Not supported for any platform as of now */ - return 0; - } - - /* - * All booting types without memory are listed as below - * Control has to be returned to BootROM in case of all - * the following booting scenarios - */ - - if (USB_BOOT_SUPPORTED && usb_boot_selected()) { - plat_late_init(); - return 1; - } - - if (TFTP_BOOT_SUPPORTED && tftp_boot_selected()) { - plat_late_init(); - return 1; - } - - if (UART_BOOT_SUPPORTED && uart_boot_selected()) { - plat_late_init(); - return 1; - } - - /* Ideally, the control should not reach here. */ - hang(); -} |
