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

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>

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 2352fc9..cb85ee4 100644 (file)
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -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"

diff --git a/configs/avnet_ultrazedev_cc_v1_0_ultrazedev_som_v1_0_defconfig b/configs/avnet_ultrazedev_cc_v1_0_ultrazedev_som_v1_0_defconfig
index 0574ee9..f04fa64 100644 (file)
--- a/configs/avnet_ultrazedev_cc_v1_0_ultrazedev_som_v1_0_defconfig
+++ b/configs/avnet_ultrazedev_cc_v1_0_ultrazedev_som_v1_0_defconfig
@@ -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

diff --git a/configs/xilinx_zynqmp_mini_emmc0_defconfig b/configs/xilinx_zynqmp_mini_emmc0_defconfig
index a248cbf..c481a69 100644 (file)
--- a/configs/xilinx_zynqmp_mini_emmc0_defconfig
+++ b/configs/xilinx_zynqmp_mini_emmc0_defconfig
@@ -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

diff --git a/configs/xilinx_zynqmp_mini_emmc1_defconfig b/configs/xilinx_zynqmp_mini_emmc1_defconfig
index df0365b..b02fec6 100644 (file)
--- a/configs/xilinx_zynqmp_mini_emmc1_defconfig
+++ b/configs/xilinx_zynqmp_mini_emmc1_defconfig
@@ -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

diff --git a/configs/xilinx_zynqmp_mini_qspi_defconfig b/configs/xilinx_zynqmp_mini_qspi_defconfig
index 82510f1..49e2758 100644 (file)
--- a/configs/xilinx_zynqmp_mini_qspi_defconfig
+++ b/configs/xilinx_zynqmp_mini_qspi_defconfig
@@ -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

diff --git a/configs/xilinx_zynqmp_virt_defconfig b/configs/xilinx_zynqmp_virt_defconfig
index 89622d1..6776bd9 100644 (file)
--- a/configs/xilinx_zynqmp_virt_defconfig
+++ b/configs/xilinx_zynqmp_virt_defconfig
@@ -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