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xilinx: zynqmp: Do not use 0 as spl bss start address

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Do not use 0 as address for memory because of the special meaning for
pointers (null pointer). Change the spl bss start address to the second
page.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Link: https://lore.kernel.org/r/20220714134733.7487-1-stefan.herbrechtsmeier-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Stefan Herbrechtsmeier 2022-07-14 15:47:33 +02:00 committed by Michal Simek
parent 5e0e1a86d3
commit fcbc43bd50
6 changed files with 2 additions and 11 deletions
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3
common/spl/Kconfig
View file

@ -107,7 +107,7 @@ config SPL_PAD_TO
config SPL_HAS_BSS_LINKER_SECTION
depends on SPL_FRAMEWORK
bool "Use a specific address for the BSS via the linker script"
default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV
default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV || ARCH_ZYNQMP
config SPL_BSS_START_ADDR
hex "Link address for the BSS within the SPL binary"
@ -118,6 +118,7 @@ config SPL_BSS_START_ADDR
default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
default 0x1000 if ARCH_ZYNQMP
choice
prompt "Enforce SPL BSS limit"

2
configs/avnet_ultrazedev_cc_v1_0_ultrazedev_som_v1_0_defconfig
View file

@ -27,8 +27,6 @@ CONFIG_BOOTDELAY=0
# CONFIG_DISPLAY_CPUINFO is not set
CONFIG_CLOCKS=y
CONFIG_SPL_MAX_SIZE=0x40000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x0
CONFIG_SPL_BSS_MAX_SIZE=0x80000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
CONFIG_SPL_STACK=0xfffffffc

2
configs/xilinx_zynqmp_mini_emmc0_defconfig
View file

@ -25,8 +25,6 @@ CONFIG_BOARD_EARLY_INIT_R=y
# CONFIG_BOARD_LATE_INIT is not set
CONFIG_CLOCKS=y
CONFIG_SPL_MAX_SIZE=0x40000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x0
CONFIG_SPL_BSS_MAX_SIZE=0x80000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
CONFIG_SPL_STACK=0xfffffffc

2
configs/xilinx_zynqmp_mini_emmc1_defconfig
View file

@ -25,8 +25,6 @@ CONFIG_BOARD_EARLY_INIT_R=y
# CONFIG_BOARD_LATE_INIT is not set
CONFIG_CLOCKS=y
CONFIG_SPL_MAX_SIZE=0x40000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x0
CONFIG_SPL_BSS_MAX_SIZE=0x80000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
CONFIG_SPL_STACK=0xfffffffc

2
configs/xilinx_zynqmp_mini_qspi_defconfig
View file

@ -24,8 +24,6 @@ CONFIG_REMAKE_ELF=y
# CONFIG_BOARD_LATE_INIT is not set
CONFIG_CLOCKS=y
CONFIG_SPL_MAX_SIZE=0x40000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x0
CONFIG_SPL_BSS_MAX_SIZE=0x80000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
CONFIG_SPL_STACK=0xfffffffc

2
configs/xilinx_zynqmp_virt_defconfig
View file

@ -32,8 +32,6 @@ CONFIG_PREBOOT="run scsi_init;usb start"
CONFIG_BOARD_EARLY_INIT_R=y
CONFIG_CLOCKS=y
CONFIG_SPL_MAX_SIZE=0x40000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x0
CONFIG_SPL_BSS_MAX_SIZE=0x80000
# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
CONFIG_SPL_STACK=0xfffffffc