eaw/u-boot
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

imx6: Update CONFIG_SPL_STACK defaults in Kconfig

Browse Source 
Update the Kconfig entry to have the correct defaults for i.MX6
platforms, and move the existing large comment from imx6_spl.h to
doc/imx/common/imx6.txt so that it's not lost.

Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini
2022-05-26 13:36:17 -04:00
parent f113d7d303
commit 23780398b5
57 changed files with 34 additions and 148 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
include/configs/imx6_spl.h
View File

@@ -8,45 +8,6 @@
#ifdef CONFIG_SPL
#ifdef CONFIG_MX6_OCRAM_256KB
/*
* see Figure 8.4.1 in IMX6DQ Reference manuals:
* - IMX6DQ OCRAM (IRAM) is from 0x00907000 to 0x0093FFFF
* - BOOT ROM stack is at 0x0093FFB8
* - if icache/dcache is enabled (eFuse/strapping controlled) then the
* IMX BOOT ROM will setup MMU table at 0x00938000, therefore we need to
* fit between 0x00907000 and 0x00938000.
* - Additionally the BOOT ROM loads what they consider the firmware image
* which consists of a 4K header in front of us that contains the IVT, DCD
* and some padding thus 'our' max size is really 0x00908000 - 0x00938000
* or 192KB
*/
/*
* Pad SPL to 196KB (4KB header + 192KB max size). This allows to write the
* SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
* boot media (given that boot media specific offset is configured properly).
*/
#else
/*
* see Figure 8-3 in IMX6SDL Reference manuals:
* - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF
* - BOOT ROM stack is at 0x0091FFB8
* - if icache/dcache is enabled (eFuse/strapping controlled) then the
* IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to
* fit between 0x00907000 and 0x00918000.
* - Additionally the BOOT ROM loads what they consider the firmware image
* which consists of a 4K header in front of us that contains the IVT, DCD
* and some padding thus 'our' max size is really 0x00908000 - 0x00918000
* or 64KB
*/
/*
* Pad SPL to 68KB (4KB header + 64KB max size). This allows to write the
* SPL/U-Boot combination generated with u-boot-with-spl.imx directly to a
* boot media (given that boot media specific offset is configured properly).
*/
#endif
/* MMC support */
#if defined(CONFIG_SPL_MMC)
#define CONFIG_SYS_MONITOR_LEN 409600 /* 400 KB */