arm: spear: Move to common SPL infrastructure

[karo-tx-uboot.git] / arch / arm / cpu / arm926ejs / spear / spl_boot.c

diff --git a/arch/arm/cpu/arm926ejs/spear/spl_boot.c b/arch/arm/cpu/arm926ejs/spear/spl_boot.c
deleted file mode 100644 (file)
index c846d75..0000000
--- 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();
-}