From: Stefano Babic Date: Wed, 10 Oct 2012 21:11:43 +0000 (+0000) Subject: MX35: Add soc_boot_mode and soc_boot_device to MX35 X-Git-Tag: v2013.01-rc3~13^2~83 X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=commitdiff_plain;h=d41924a2c15cd969f29e0cf6ec0a211525b16ad8 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 --- diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c index 41e9639d9c..98aa4d15bc 100644 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -35,6 +35,7 @@ #include #endif #include +#include #define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel)) #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; 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 diff --git a/arch/arm/cpu/arm1136/u-boot-spl.lds b/arch/arm/cpu/arm1136/u-boot-spl.lds new file mode 100644 index 0000000000..a0462ab97a --- /dev/null +++ b/arch/arm/cpu/arm1136/u-boot-spl.lds @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * (C) Copyright 2010 + * Texas Instruments, + * 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 + */ + +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 +} diff --git a/arch/arm/include/asm/arch-mx35/mmc_host_def.h b/arch/arm/include/asm/arch-mx35/mmc_host_def.h new file mode 100644 index 0000000000..775b9552ca --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/mmc_host_def.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2008 + * Texas Instruments, + * Syed Mohammed Khasim + * + * 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 */ diff --git a/arch/arm/include/asm/arch-mx35/spl.h b/arch/arm/include/asm/arch-mx35/spl.h new file mode 100644 index 0000000000..91d11ae847 --- /dev/null +++ b/arch/arm/include/asm/arch-mx35/spl.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2012 + * Texas Instruments, + * + * 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