MX35: Add soc_boot_mode and soc_boot_device to MX35

The functions are required to use the generic
SPL Framework.

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2012-10-10 21:11:43 +00:00
parent e650030347
commit d41924a2c1
4 changed files with 206 additions and 0 deletions

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@ -35,6 +35,7 @@
#include <fsl_esdhc.h> #include <fsl_esdhc.h>
#endif #endif
#include <netdev.h> #include <netdev.h>
#include <spl.h>
#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel)) #define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
#define CLK_CODE_ARM(c) (((c) >> 16) & 0xFF) #define CLK_CODE_ARM(c) (((c) >> 16) & 0xFF)
@ -492,3 +493,77 @@ void reset_cpu(ulong addr)
struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR; struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR;
writew(4, &wdog->wcr); writew(4, &wdog->wcr);
} }
#define RCSR_MEM_CTL_WEIM 0
#define RCSR_MEM_CTL_NAND 1
#define RCSR_MEM_CTL_ATA 2
#define RCSR_MEM_CTL_EXPANSION 3
#define RCSR_MEM_TYPE_NOR 0
#define RCSR_MEM_TYPE_ONENAND 2
#define RCSR_MEM_TYPE_SD 0
#define RCSR_MEM_TYPE_I2C 2
#define RCSR_MEM_TYPE_SPI 3
u32 spl_boot_device(void)
{
struct ccm_regs *ccm =
(struct ccm_regs *)IMX_CCM_BASE;
u32 rcsr = readl(&ccm->rcsr);
u32 mem_type, mem_ctl;
/* In external mode, no boot device is returned */
if ((rcsr >> 10) & 0x03)
return BOOT_DEVICE_NONE;
mem_ctl = (rcsr >> 25) & 0x03;
mem_type = (rcsr >> 23) & 0x03;
switch (mem_ctl) {
case RCSR_MEM_CTL_WEIM:
switch (mem_type) {
case RCSR_MEM_TYPE_NOR:
return BOOT_DEVICE_NOR;
case RCSR_MEM_TYPE_ONENAND:
return BOOT_DEVICE_ONE_NAND;
default:
return BOOT_DEVICE_NONE;
}
case RCSR_MEM_CTL_NAND:
return BOOT_DEVICE_NAND;
case RCSR_MEM_CTL_EXPANSION:
switch (mem_type) {
case RCSR_MEM_TYPE_SD:
return BOOT_DEVICE_MMC1;
case RCSR_MEM_TYPE_I2C:
return BOOT_DEVICE_I2C;
case RCSR_MEM_TYPE_SPI:
return BOOT_DEVICE_SPI;
default:
return BOOT_DEVICE_NONE;
}
}
return BOOT_DEVICE_NONE;
}
#ifdef CONFIG_SPL_BUILD
u32 spl_boot_mode(void)
{
switch (spl_boot_device()) {
case BOOT_DEVICE_MMC1:
#ifdef CONFIG_SPL_FAT_SUPPORT
return MMCSD_MODE_FAT;
#else
return MMCSD_MODE_RAW;
#endif
break;
case BOOT_DEVICE_NAND:
return 0;
break;
default:
puts("spl: ERROR: unsupported device\n");
hang();
}
}
#endif

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@ -0,0 +1,62 @@
/*
* (C) Copyright 2002
* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
*
* (C) Copyright 2010
* Texas Instruments, <www.ti.com>
* Aneesh V <aneesh@ti.com>
*
* 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
*/
MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\
LENGTH = CONFIG_SPL_MAX_SIZE }
MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \
LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
.text :
{
__start = .;
arch/arm/cpu/arm1136/start.o (.text)
*(.text*)
} >.sram
. = ALIGN(4);
.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram
. = ALIGN(4);
.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
. = ALIGN(4);
__image_copy_end = .;
_end = .;
.bss :
{
. = ALIGN(4);
__bss_start = .;
*(.bss*)
. = ALIGN(4);
__bss_end__ = .;
} >.sdram
}

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@ -0,0 +1,31 @@
/*
* (C) Copyright 2008
* Texas Instruments, <www.ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*
* 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's version 2 of
* the License.
*
* 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
*/
#ifndef MMC_HOST_DEF_H
#define MMC_HOST_DEF_H
/* Driver definitions */
#define MMCSD_SECTOR_SIZE 512
#endif /* MMC_HOST_DEF_H */

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@ -0,0 +1,38 @@
/*
* (C) Copyright 2012
* Texas Instruments, <www.ti.com>
*
* 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
*/
#ifndef _ASM_ARCH_SPL_H_
#define _ASM_SPL_H_
#define BOOT_DEVICE_NONE 0
#define BOOT_DEVICE_XIP 1
#define BOOT_DEVICE_XIPWAIT 2
#define BOOT_DEVICE_NAND 3
#define BOOT_DEVICE_ONE_NAND 4
#define BOOT_DEVICE_MMC1 5
#define BOOT_DEVICE_MMC2 6
#define BOOT_DEVICE_MMC2_2 7
#define BOOT_DEVICE_NOR 8
#define BOOT_DEVICE_I2C 9
#define BOOT_DEVICE_SPI 10
#endif