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TXuian
2024-06-03 20:12:23 +08:00
parent bac3958eae
commit 2bdc1245ba
5 changed files with 886 additions and 12 deletions
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Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv8-a/cortex-a72/preboot_for_ok1028a-c/boot.S
+6
View File
@@ -35,6 +35,12 @@ _boot_start:
MSR CPACR_EL1, X1
ISB
mrs x0, sctlr_el1
and x0, x0, #~(1 << 0)
and x0, x0, #~(1 << 2)
and x0, x0, #~(1 << 12)
msr sctlr_el1, x0
// clear some registers
msr elr_el1, XZR
Ubiquitous/XiZi_AIoT/hardkernel/arch/arm/armv8-a/cortex-a72/preboot_for_ok1028a-c/nxp_ls1028.lds
+7 -3
View File
@@ -45,8 +45,8 @@ ENTRY( _ENTRY )
ENTRY( _boot_start )
MEMORY {
phy_ddr3 (rwx) : ORIGIN = 0x0000000000A00000, LENGTH = 1024M
vir_ddr3 (rwx) : ORIGIN = 0x0000006041035000, LENGTH = 1024M
phy_ddr3 (rwx) : ORIGIN = 0x0000000010000000, LENGTH = 1024M
vir_ddr3 (rwx) : ORIGIN = 0x000000604040D000, LENGTH = 1024M
}
@@ -58,17 +58,21 @@ SECTIONS
boot.o(.text)
bootmmu.o(.text .text.*)
ns16550.o(.text .text.*)
boot.o(.rodata .rodata.*)
bootmmu.o(.rodata .rodata.*)
ns16550.o(.rodata .rodata.*)
boot.o(.data .data.*)
bootmmu.o(.data .data.*)
ns16550.o(.data .data.*)
PROVIDE(boot_start_addr = .);
boot.o(.bss .bss.* COMMON)
bootmmu.o(.bss .bss.* COMMON)
ns16550.o(.bss .bss.* COMMON)
/* stack for booting code. */
. = ALIGN(0x1000);
@@ -81,7 +85,7 @@ SECTIONS
PROVIDE(boot_end_addr = .);
} > phy_ddr3
.text : AT(0x1035000) {
.text : AT(0x1040D000) {
. = ALIGN(0x1000);
*(.text .text.* .gnu.linkonce.t.*)
} > vir_ddr3