GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-03-15 19:51:37 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'CR_4563_memcpy_samin.guo' into 'vf2-devel'

Browse source 
CR4563:   Configure the l2 prefetcher parameter

See merge request sbc/u-boot!47
This commit is contained in:
andy.hu 2023-04-07 15:21:02 +00:00
commit 66e4af9302
2 changed files with 24 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
arch/riscv/cpu/jh7110/dram.c
View file

@ -11,26 +11,43 @@
DECLARE_GLOBAL_DATA_PTR;
static bool check_eeprom_dram_info(phys_size_t size)
{
switch (size) {
case 0x80000000:
case 0x100000000:
case 0x200000000:
case 0x400000000:
return true;
default:
return false;
}
}
int dram_init(void)
{
int ret;
u32 data;
u8 data;
u32 len;
u32 offset;
phys_size_t size;
data = 0;
len = 4;
offset = 88; /*offset of memory size stored in eeprom*/
len = 1;
offset = 91; /*offset of memory size stored in eeprom*/
ret = fdtdec_setup_mem_size_base();
if (ret)
goto err;
/*read memory size info*/
ret = get_data_from_eeprom(offset, len, (u8 *)&data);
if (ret == len)
gd->ram_size = (phys_size_t)((hextoul((char *)&data, NULL) & 0xff) << 30);
ret = 0;
ret = get_data_from_eeprom(offset, len, &data);
if (ret == len) {
size = ((phys_size_t)hextoul(&data, NULL)) << 30;
if (check_eeprom_dram_info(size))
gd->ram_size = size;
}
ret = 0;
err:
return ret;
}

22
board/starfive/visionfive2/starfive_visionfive2.c
View file

@ -337,25 +337,6 @@ static void get_cpu_voltage_type(struct udevice *dev)
}
#endif
/*enable U74-mc hart1~hart4 prefetcher*/
static void enable_prefetcher(void)
{
u32 hart;
u32 *reg;
#define L2_PREFETCHER_BASE_ADDR 0x2030000
#define L2_PREFETCHER_OFFSET 0x2000
/*hart1~hart4*/
for (hart = 1; hart < 5; hart++) {
reg = (u32 *)((u64)(L2_PREFETCHER_BASE_ADDR
+ hart*L2_PREFETCHER_OFFSET));
mb(); /* memory barrier */
setbits_le32(reg, 0x1);
mb(); /* memory barrier */
}
}
static void jh7110_jtag_init(void)
{
/*jtag*/
@ -435,9 +416,6 @@ int board_init(void)
{
enable_caches();
/*enable hart1-hart4 prefetcher*/
enable_prefetcher();
jh7110_jtag_init();
jh7110_timer_init();