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[linux] porting cvitek asic chips.

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1. update cv182x/cv183x configuration file
	2. update cv181x/cv180x configuration file
	3. update clk driver for cvitek
	4. update dma driver for cvitek
	5. update soc driver for cvitek
	6. porting cvitek ion driver from kernel-4.19
	7. compatible with riscv

Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
This commit is contained in:
wangliang.wang
2023-03-09 14:38:25 +08:00
committed by sam.xiang
parent 4bc998a131
commit 4f810186ab
2062 changed files with 544892 additions and 2134 deletions
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84
linux_5.10/arch/riscv/kernel/stacktrace.c
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@ -12,17 +12,14 @@
#include <linux/stacktrace.h>
#include <linux/ftrace.h>
#include <asm/stacktrace.h>
register unsigned long sp_in_global __asm__("sp");
#ifdef CONFIG_FRAME_POINTER
struct stackframe {
unsigned long fp;
unsigned long ra;
};
void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(unsigned long, void *), void *arg)
bool (*fn)(void *, unsigned long), void *arg)
{
unsigned long fp, sp, pc;
@ -46,7 +43,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
unsigned long low, high;
struct stackframe *frame;
if (unlikely(!__kernel_text_address(pc) || fn(pc, arg)))
if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))
break;
/* Validate frame pointer */
@ -57,16 +54,22 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
/* Unwind stack frame */
frame = (struct stackframe *)fp - 1;
sp = fp;
fp = frame->fp;
pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
(unsigned long *)(fp - 8));
if (regs && (regs->epc == pc) && (frame->fp & 0x7)) {
fp = frame->ra;
pc = regs->ra;
} else {
fp = frame->fp;
pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
(unsigned long *)(fp - 8));
}
}
}
#else /* !CONFIG_FRAME_POINTER */
void notrace walk_stackframe(struct task_struct *task,
struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
struct pt_regs *regs, bool (*fn)(void *, unsigned long), void *arg)
{
unsigned long sp, pc;
unsigned long *ksp;
@ -88,7 +91,7 @@ void notrace walk_stackframe(struct task_struct *task,
ksp = (unsigned long *)sp;
while (!kstack_end(ksp)) {
if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
if (__kernel_text_address(pc) && unlikely(!fn(arg, pc)))
break;
pc = (*ksp++) - 0x4;
}
@ -96,29 +99,34 @@ void notrace walk_stackframe(struct task_struct *task,
#endif /* CONFIG_FRAME_POINTER */
static bool print_trace_address(unsigned long pc, void *arg)
static bool print_trace_address(void *arg, unsigned long pc)
{
const char *loglvl = arg;
print_ip_sym(loglvl, pc);
return false;
return true;
}
void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
const char *loglvl)
{
pr_cont("%sCall Trace:\n", loglvl);
walk_stackframe(task, regs, print_trace_address, (void *)loglvl);
}
void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
{
pr_cont("Call Trace:\n");
walk_stackframe(task, NULL, print_trace_address, (void *)loglvl);
dump_backtrace(NULL, task, loglvl);
}
static bool save_wchan(unsigned long pc, void *arg)
static bool save_wchan(void *arg, unsigned long pc)
{
if (!in_sched_functions(pc)) {
unsigned long *p = arg;
*p = pc;
return true;
return false;
}
return false;
return true;
}
unsigned long get_wchan(struct task_struct *task)
@ -130,42 +138,12 @@ unsigned long get_wchan(struct task_struct *task)
return pc;
}
#ifdef CONFIG_STACKTRACE
static bool __save_trace(unsigned long pc, void *arg, bool nosched)
void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task, struct pt_regs *regs)
{
struct stack_trace *trace = arg;
if (unlikely(nosched && in_sched_functions(pc)))
return false;
if (unlikely(trace->skip > 0)) {
trace->skip--;
return false;
}
trace->entries[trace->nr_entries++] = pc;
return (trace->nr_entries >= trace->max_entries);
walk_stackframe(task, regs, consume_entry, cookie);
}
static bool save_trace(unsigned long pc, void *arg)
{
return __save_trace(pc, arg, false);
}
/*
* Save stack-backtrace addresses into a stack_trace buffer.
*/
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
walk_stackframe(tsk, NULL, save_trace, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
void save_stack_trace(struct stack_trace *trace)
{
save_stack_trace_tsk(NULL, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
#endif /* CONFIG_STACKTRACE */