u-boot/arch/arm/mach-imx/spl.c

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/*
* Copyright (C) 2014 Gateworks Corporation
* Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
*
* Author: Tim Harvey <tharvey@gateworks.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/spl.h>
#include <spl.h>
imx: reorganize IMX code as other SOCs Change is consistent with other SOCs and it is in preparation for adding SOMs. SOC's related files are moved from cpu/ to mach-imx/<SOC>. This change is also coherent with the structure in kernel. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Fabio Estevam <fabio.estevam@nxp.com> CC: Akshay Bhat <akshaybhat@timesys.com> CC: Ken Lin <Ken.Lin@advantech.com.tw> CC: Marek Vasut <marek.vasut@gmail.com> CC: Heiko Schocher <hs@denx.de> CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com> CC: Christian Gmeiner <christian.gmeiner@gmail.com> CC: Stefan Roese <sr@denx.de> CC: Patrick Bruenn <p.bruenn@beckhoff.com> CC: Troy Kisky <troy.kisky@boundarydevices.com> CC: Nikita Kiryanov <nikita@compulab.co.il> CC: Otavio Salvador <otavio@ossystems.com.br> CC: "Eric Bénard" <eric@eukrea.com> CC: Jagan Teki <jagan@amarulasolutions.com> CC: Ye Li <ye.li@nxp.com> CC: Peng Fan <peng.fan@nxp.com> CC: Adrian Alonso <adrian.alonso@nxp.com> CC: Alison Wang <b18965@freescale.com> CC: Tim Harvey <tharvey@gateworks.com> CC: Martin Donnelly <martin.donnelly@ge.com> CC: Marcin Niestroj <m.niestroj@grinn-global.com> CC: Lukasz Majewski <lukma@denx.de> CC: Adam Ford <aford173@gmail.com> CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr> CC: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Soeren Moch <smoch@web.de> CC: Richard Hu <richard.hu@technexion.com> CC: Wig Cheng <wig.cheng@technexion.com> CC: Vanessa Maegima <vanessa.maegima@nxp.com> CC: Max Krummenacher <max.krummenacher@toradex.com> CC: Stefan Agner <stefan.agner@toradex.com> CC: Markus Niebel <Markus.Niebel@tq-group.com> CC: Breno Lima <breno.lima@nxp.com> CC: Francesco Montefoschi <francesco.montefoschi@udoo.org> CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Scott Wood <oss@buserror.net> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Anatolij Gustschin <agust@denx.de> CC: Simon Glass <sjg@chromium.org> CC: "Andrew F. Davis" <afd@ti.com> CC: "Łukasz Majewski" <l.majewski@samsung.com> CC: Patrice Chotard <patrice.chotard@st.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Hans de Goede <hdegoede@redhat.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stephen Warren <swarren@nvidia.com> CC: Andre Przywara <andre.przywara@arm.com> CC: "Álvaro Fernández Rojas" <noltari@gmail.com> CC: York Sun <york.sun@nxp.com> CC: Xiaoliang Yang <xiaoliang.yang@nxp.com> CC: Chen-Yu Tsai <wens@csie.org> CC: George McCollister <george.mccollister@gmail.com> CC: Sven Ebenfeld <sven.ebenfeld@gmail.com> CC: Filip Brozovic <fbrozovic@gmail.com> CC: Petr Kulhavy <brain@jikos.cz> CC: Eric Nelson <eric@nelint.com> CC: Bai Ping <ping.bai@nxp.com> CC: Anson Huang <Anson.Huang@nxp.com> CC: Sanchayan Maity <maitysanchayan@gmail.com> CC: Lokesh Vutla <lokeshvutla@ti.com> CC: Patrick Delaunay <patrick.delaunay@st.com> CC: Gary Bisson <gary.bisson@boundarydevices.com> CC: Alexander Graf <agraf@suse.de> CC: u-boot@lists.denx.de Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-06-29 08:16:06 +00:00
#include <asm/mach-imx/hab.h>
#include <asm/mach-imx/boot_mode.h>
#include <g_dnl.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_MX6)
/* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
u32 spl_boot_device(void)
{
unsigned int bmode = readl(&src_base->sbmr2);
u32 reg = imx6_src_get_boot_mode();
/*
* Check for BMODE if serial downloader is enabled
* BOOT_MODE - see IMX6DQRM Table 8-1
*/
if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
return BOOT_DEVICE_BOARD;
/*
* The above method does not detect that the boot ROM used
* serial downloader in case the boot ROM decided to use the
* serial downloader as a fall back (primary boot source failed).
*
* Infer that the boot ROM used the USB serial downloader by
* checking whether the USB PHY is currently active... This
* assumes that SPL did not (yet) initialize the USB PHY...
*/
if (is_usbotg_phy_active())
return BOOT_DEVICE_BOARD;
/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
/* EIM: See 8.5.1, Table 8-9 */
case IMX6_BMODE_EMI:
/* BOOT_CFG1[3]: NOR/OneNAND Selection */
switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
case IMX6_BMODE_ONENAND:
return BOOT_DEVICE_ONENAND;
case IMX6_BMODE_NOR:
return BOOT_DEVICE_NOR;
break;
}
/* Reserved: Used to force Serial Downloader */
case IMX6_BMODE_RESERVED:
return BOOT_DEVICE_BOARD;
/* SATA: See 8.5.4, Table 8-20 */
#if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
case IMX6_BMODE_SATA:
return BOOT_DEVICE_SATA;
#endif
/* Serial ROM: See 8.5.5.1, Table 8-22 */
case IMX6_BMODE_SERIAL_ROM:
/* BOOT_CFG4[2:0] */
switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
IMX6_BMODE_SERIAL_ROM_SHIFT) {
case IMX6_BMODE_ECSPI1:
case IMX6_BMODE_ECSPI2:
case IMX6_BMODE_ECSPI3:
case IMX6_BMODE_ECSPI4:
case IMX6_BMODE_ECSPI5:
return BOOT_DEVICE_SPI;
case IMX6_BMODE_I2C1:
case IMX6_BMODE_I2C2:
case IMX6_BMODE_I2C3:
return BOOT_DEVICE_I2C;
}
break;
/* SD/eSD: 8.5.3, Table 8-15 */
case IMX6_BMODE_SD:
case IMX6_BMODE_ESD:
return BOOT_DEVICE_MMC1;
/* MMC/eMMC: 8.5.3 */
case IMX6_BMODE_MMC:
case IMX6_BMODE_EMMC:
return BOOT_DEVICE_MMC1;
/* NAND Flash: 8.5.2, Table 8-10 */
case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
return BOOT_DEVICE_NAND;
}
return BOOT_DEVICE_NONE;
}
#elif defined(CONFIG_MX7)
/* Translate iMX7 boot device to the SPL boot device enumeration */
u32 spl_boot_device(void)
{
enum boot_device boot_device_spl = get_boot_device();
switch (boot_device_spl) {
case SD1_BOOT:
case MMC1_BOOT:
case SD2_BOOT:
case MMC2_BOOT:
return BOOT_DEVICE_MMC1;
case SPI_NOR_BOOT:
return BOOT_DEVICE_SPI;
default:
return BOOT_DEVICE_NONE;
}
}
#endif /* CONFIG_MX6 || CONFIG_MX7 */
#ifdef CONFIG_SPL_USB_GADGET_SUPPORT
int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
{
put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
return 0;
}
#endif
#if defined(CONFIG_SPL_MMC_SUPPORT)
/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
u32 spl_boot_mode(const u32 boot_device)
{
switch (spl_boot_device()) {
/* for MMC return either RAW or FAT mode */
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
#if defined(CONFIG_SPL_FAT_SUPPORT)
return MMCSD_MODE_FS;
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
return MMCSD_MODE_EMMCBOOT;
#else
return MMCSD_MODE_RAW;
#endif
break;
default:
puts("spl: ERROR: unsupported device\n");
hang();
}
}
#endif
#if defined(CONFIG_SECURE_BOOT)
__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
{
typedef void __noreturn (*image_entry_noargs_t)(void);
image_entry_noargs_t image_entry =
(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
debug("image entry point: 0x%lX\n", spl_image->entry_point);
/* HAB looks for the CSF at the end of the authenticated data therefore,
* we need to subtract the size of the CSF from the actual filesize */
if (authenticate_image(spl_image->load_addr,
spl_image->size - CONFIG_CSF_SIZE)) {
image_entry();
} else {
puts("spl: ERROR: image authentication unsuccessful\n");
hang();
}
}
#endif
#if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = imx_ddr_size();
return 0;
}
#endif