ARM: socfpga: Enable SPL memory allocation

Enable memory allocation in SPL for preparation to enable FAT
in SPL. Memory allocation is needed by FAT to work properly.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
This commit is contained in:
Tien Fong Chee 2017-12-05 15:58:04 +08:00 committed by Marek Vasut
parent 901af3e903
commit 421a21c53a

View file

@ -226,17 +226,34 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
/*
* SPL
*
* SRAM Memory layout:
* SRAM Memory layout for gen 5:
*
* 0xFFFF_0000 ...... Start of SRAM
* 0xFFFF_xxxx ...... Top of stack (grows down)
* 0xFFFF_yyyy ...... Malloc area
* 0xFFFF_zzzz ...... Global Data
* 0xFFFF_FF00 ...... End of SRAM
*
* SRAM Memory layout for Arria 10:
* 0xFFE0_0000 ...... Start of SRAM (bottom)
* 0xFFEx_xxxx ...... Top of stack (grows down to bottom)
* 0xFFEy_yyyy ...... Global Data
* 0xFFEz_zzzz ...... Malloc area (grows up to top)
* 0xFFE3_FFFF ...... End of SRAM (top)
*/
#define CONFIG_SPL_TEXT_BASE CONFIG_SYS_INIT_RAM_ADDR
#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_INIT_RAM_SIZE
#if defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
/* SPL memory allocation configuration, this is for FAT implementation */
#ifndef CONFIG_SYS_SPL_MALLOC_START
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00010000
#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_INIT_RAM_SIZE - \
CONFIG_SYS_SPL_MALLOC_SIZE + \
CONFIG_SYS_INIT_RAM_ADDR)
#endif
#endif
/* SPL SDMMC boot support */
#ifdef CONFIG_SPL_MMC_SUPPORT
#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
@ -263,7 +280,11 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
/*
* Stack setup
*/
#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
#elif defined(CONFIG_TARGET_SOCFPGA_ARRIA10)
#define CONFIG_SPL_STACK CONFIG_SYS_SPL_MALLOC_START
#endif
/* Extra Environment */
#ifndef CONFIG_SPL_BUILD