From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/arm/mm/proc-arm7tdmi.S | 110 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 arch/arm/mm/proc-arm7tdmi.S (limited to 'arch/arm/mm/proc-arm7tdmi.S') diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S new file mode 100644 index 000000000..01bbe7576 --- /dev/null +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI + * + * Copyright (C) 2003-2006 Hyok S. Choi + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "proc-macros.S" + + .text +/* + * cpu_arm7tdmi_proc_init() + * cpu_arm7tdmi_do_idle() + * cpu_arm7tdmi_dcache_clean_area() + * cpu_arm7tdmi_switch_mm() + * + * These are not required. + */ +ENTRY(cpu_arm7tdmi_proc_init) +ENTRY(cpu_arm7tdmi_do_idle) +ENTRY(cpu_arm7tdmi_dcache_clean_area) +ENTRY(cpu_arm7tdmi_switch_mm) + ret lr + +/* + * cpu_arm7tdmi_proc_fin() + */ +ENTRY(cpu_arm7tdmi_proc_fin) + ret lr + +/* + * Function: cpu_arm7tdmi_reset(loc) + * Params : loc(r0) address to jump to + * Purpose : Sets up everything for a reset and jump to the location for soft reset. + */ + .pushsection .idmap.text, "ax" +ENTRY(cpu_arm7tdmi_reset) + ret r0 +ENDPROC(cpu_arm7tdmi_reset) + .popsection + + .type __arm7tdmi_setup, #function +__arm7tdmi_setup: + ret lr + .size __arm7tdmi_setup, . - __arm7tdmi_setup + + __INITDATA + + @ define struct processor (see and proc-macros.S) + define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1 + + .section ".rodata" + + string cpu_arch_name, "armv4t" + string cpu_elf_name, "v4" + string cpu_arm7tdmi_name, "ARM7TDMI" + string cpu_triscenda7_name, "Triscend-A7x" + string cpu_at91_name, "Atmel-AT91M40xxx" + string cpu_s3c3410_name, "Samsung-S3C3410" + string cpu_s3c44b0x_name, "Samsung-S3C44B0x" + string cpu_s3c4510b_name, "Samsung-S3C4510B" + string cpu_s3c4530_name, "Samsung-S3C4530" + string cpu_netarm_name, "NETARM" + + .align + + .section ".proc.info.init", "a" + +.macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \ + extra_hwcaps=0 + .type __\name\()_proc_info, #object +__\name\()_proc_info: + .long \cpu_val + .long \cpu_mask + .long 0 + .long 0 + initfn __arm7tdmi_setup, __\name\()_proc_info + .long cpu_arch_name + .long cpu_elf_name + .long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps ) + .long \cpu_name + .long arm7tdmi_processor_functions + .long 0 + .long 0 + .long v4_cache_fns + .size __\name\()_proc_info, . - __\name\()_proc_info +.endm + + arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \ + cpu_arm7tdmi_name + arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \ + cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB + arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \ + cpu_at91_name, extra_hwcaps=HWCAP_THUMB + arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \ + cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB + arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \ + cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB + arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \ + cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB + arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \ + cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB -- cgit v1.2.3