RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

bsp/riscv: riscv_get_core_frequency()

Browse Source 
Always provide this function.  Return 0 by default.  Fix formatting.
Simplify function.

Update #3785.
This commit is contained in:
Sebastian Huber
2019-11-14 11:08:28 +01:00
parent 3dcfee377e
commit df9426f970
2 changed files with 25 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
bsps/riscv/riscv/include/bsp/riscv.h
View File

@@ -38,9 +38,7 @@ extern volatile RISCV_CLINT_regs *riscv_clint;
void *riscv_fdt_get_address(const void *fdt, int node);
#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0
uint32_t riscv_get_core_frequency(void);
#endif
#ifdef RTEMS_SMP
extern uint32_t riscv_hart_count;

68
bsps/riscv/riscv/start/bspstart.c
View File

@@ -32,9 +32,7 @@
#include <libfdt.h>
#include <string.h>
#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0
unsigned int riscv_core_freq;
#endif
static uint32_t riscv_core_freq;
void *riscv_fdt_get_address(const void *fdt, int node)
{
@@ -166,55 +164,39 @@ uint32_t riscv_get_hart_index_by_phandle(uint32_t phandle)
return UINT32_MAX;
}
#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0
static uint32_t get_core_frequency(void)
{
uint32_t node;
const char *fdt=bsp_fdt_get();
#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0
uint32_t node;
const char *fdt;
const char *tlclk;
int len;
const fdt32_t *val;
char *tlclk;
uint32_t len;
fdt = bsp_fdt_get();
node = fdt_node_offset_by_compatible(fdt, -1,"fixed-clock");
tlclk = fdt_getprop(fdt, node, "clock-output-names", &len);
do
{
node=fdt_node_offset_by_compatible(fdt, -1,"fixed-clock");
uint32_t *val=NULL;
if (node>0)
{
tlclk = fdt_getprop(fdt, node, "clock-output-names", &len);
if (strcmp(tlclk,"tlclk") != 0) {
bsp_fatal(RISCV_FATAL_NO_TLCLOCK_FREQUENCY_IN_DEVICE_TREE);
}
if (strcmp(tlclk,"tlclk") == 0)
{
val = fdt_getprop(fdt, node, "clock-frequency", &len);
if(val !=NULL)
{
riscv_core_freq=fdt32_to_cpu(*val);
break;
}
}
}else
{
bsp_fatal(RISCV_FATAL_NO_TLCLOCK_FREQUENCY_IN_DEVICE_TREE);
}
} while (node > 0);
return riscv_core_freq;
}
inline uint32_t riscv_get_core_frequency(void)
{
return riscv_core_freq;
}
val = fdt_getprop(fdt, node, "clock-frequency", &len);
if (val != NULL && len == 4) {
return fdt32_to_cpu(*val);
}
#endif
return 0;
}
uint32_t riscv_get_core_frequency(void)
{
return riscv_core_freq;
}
void bsp_start(void)
{
riscv_find_harts();
bsp_interrupt_initialize();
#if RISCV_ENABLE_FRDME310ARTY_SUPPORT != 0
riscv_core_freq=get_core_frequency();
#endif
riscv_core_freq = get_core_frequency();
}