Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
new file mode 100644
index 000000000..25472d944
--- /dev/null
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -0,0 +1,114 @@
+/*
+ *  linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
+ *
+ *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+#include <asm/hwcap.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/ptrace.h>
+
+#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 <asm/proc-fns.h> 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", #alloc
+
+.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