t-head/thead-opensbi
1
0
Fork 0
mirror of https://github.com/revyos/thead-opensbi.git synced 2026-06-21 09:12:28 +02:00
Code Issues Packages Projects Releases Wiki Activity

Linux_SDK_V1.4.2

Browse Source 
Signed-off-by: thead_admin <occ_thead@service.alibaba.com>
This commit is contained in:
thead_admin
2023-12-24 02:32:36 +00:00
committed by Han Gao
parent 4b124c86c2
commit 3e4bb4cee4
2 changed files with 115 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/sbi/sbi_platform.h
View File

@@ -45,6 +45,10 @@
#include <sbi/sbi_scratch.h>
#include <sbi/sbi_version.h>
#define SBI_EXT_VENDOR_SMC (SBI_EXT_VENDOR_START + 0)
#define SBI_EXT_VENDOR_PMU (SBI_EXT_VENDOR_START + 1)
#define SBI_EXT_VENDOR_PMP (SBI_EXT_VENDOR_START + 2)
struct sbi_domain_memregion;
struct sbi_trap_info;
struct sbi_trap_regs;

112
platform/generic/platform.c
View File

@@ -21,6 +21,21 @@
#include <sbi_utils/timer/fdt_timer.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/reset/fdt_reset.h>
#include <sbi/sbi_console.h>
#include <sbi/riscv_io.h>
#define PMP_BASE_ADDR 0xffdc020000UL
#define PMP_SIZE_PER_CORE 0x4000UL
#define TCM0_START_ADDR 0xffe0180000UL
#define TCM0_END_ADDR 0xffe01c0000UL
#define TCM1_START_ADDR 0xffe01c0000UL
#define TCM1_END_ADDR 0xffe0200000UL
#define RESERVED_START_ADDR 0xffe0200000UL
#define RESERVED_END_ADDR 0xffe1000000UL
#define PMP_ENTRY_BASE_ADDR 0x100UL
#define PMP_ENTRY_START_ADDR(n) (PMP_BASE_ADDR + PMP_ENTRY_BASE_ADDR + (n * 8))
#define PMP_ENTRY_END_ADDR(n) (PMP_ENTRY_START_ADDR(n) + 4)
#define PMP_ENTRY_CFG_ADDR(n) (PMP_BASE_ADDR + ((n / 4) * 4))
extern const struct platform_override sifive_fu540;
extern const struct platform_override light;
@@ -330,14 +345,109 @@ static void sbi_thead_pmu_set(unsigned long type, unsigned long idx, unsigned lo
}
}
static void sbi_thead_reserved_pmp_set(void)
{
unsigned int num, reg_val;
for (num = 0; num < 4; num++) {
/* pmp entry 28 for reserved memory */
writel(RESERVED_START_ADDR >> 12, (void *)(PMP_ENTRY_START_ADDR(28) + num*PMP_SIZE_PER_CORE));
writel(RESERVED_END_ADDR >> 12, (void *)(PMP_ENTRY_END_ADDR(28) + num*PMP_SIZE_PER_CORE));
/* pmp entry 28 config */
reg_val = readl((void *)(PMP_ENTRY_CFG_ADDR(28) + num*PMP_SIZE_PER_CORE));
reg_val = (reg_val & 0xffffff00) | 0x040;
writel(reg_val, (void *)((PMP_ENTRY_CFG_ADDR(28) + num*PMP_SIZE_PER_CORE)));
}
sync_is();
}
static void sbi_thead_tcm0_pmp_set(unsigned long auth)
{
sbi_printf("%s: auth:%lx \n", __func__, auth);
unsigned int num, reg_val;
reg_val = readl((void *)PMP_ENTRY_START_ADDR(26));
if (reg_val != TCM0_START_ADDR >> 12)
for(num = 0; num < 4; num++) {
/* pmp entry 26 for dsp tcm0 */
writel(TCM0_START_ADDR >> 12, (void *)(PMP_ENTRY_START_ADDR(26) + num*PMP_SIZE_PER_CORE));
writel(TCM0_END_ADDR >> 12, (void *)(PMP_ENTRY_END_ADDR(26) + num*PMP_SIZE_PER_CORE));
}
for(num = 0; num < 4; num++) {
/* pmp entry 26 config */
reg_val = readl((void *)(PMP_ENTRY_CFG_ADDR(26) + num*PMP_SIZE_PER_CORE));
reg_val = (reg_val & 0xff00ffff) | (auth << 16);
writel(reg_val, (void *)(PMP_ENTRY_CFG_ADDR(26) + num*PMP_SIZE_PER_CORE));
}
sync_is();
}
static void sbi_thead_tcm1_pmp_set(unsigned long auth)
{
sbi_printf("%s: auth:%lx \n", __func__, auth);
unsigned int num, reg_val;
reg_val = readl((void *)PMP_ENTRY_START_ADDR(27));
if (reg_val != TCM1_START_ADDR >> 12)
for (num = 0; num < 4; num++) {
/* pmp entry 27 for dsp tcm1 */
writel(TCM1_START_ADDR >> 12, (void *)(PMP_ENTRY_START_ADDR(27) + num*PMP_SIZE_PER_CORE));
writel(TCM1_END_ADDR >> 12, (void *)(PMP_ENTRY_END_ADDR(27) + num*PMP_SIZE_PER_CORE));
}
for (num = 0; num < 4; num++) {
/* pmp entry 27 config */
reg_val = readl((void *)(PMP_ENTRY_CFG_ADDR(27) + num*PMP_SIZE_PER_CORE));
reg_val = (reg_val & 0x00ffffff) | (auth << 24);
writel(reg_val, (void *)(PMP_ENTRY_CFG_ADDR(27) + num*PMP_SIZE_PER_CORE));
}
sync_is();
}
static void sbi_thead_pmp_set(unsigned long idx, unsigned long auth)
{
unsigned int reg_val;
if (idx !=0 && idx != 1)
return;
/* read pmp entry 28 */
reg_val = readl((void *)PMP_ENTRY_START_ADDR(28));
if (reg_val != RESERVED_START_ADDR >> 12)
sbi_thead_reserved_pmp_set();
switch (idx) {
case 0:
sbi_thead_tcm0_pmp_set(auth);
break;
case 1:
sbi_thead_tcm1_pmp_set(auth);
break;
default:
break;
}
}
static int thead_vendor_ext_provider(long extid, long funcid,
const struct sbi_trap_regs *regs, unsigned long *out_value,
struct sbi_trap_info *out_trap)
{
sbi_printf("%s: extid:%lx funcid:%lx \n", __func__,
extid, funcid);
switch (extid) {
case 0x09000001:
case SBI_EXT_VENDOR_PMU:
sbi_thead_pmu_set(regs->a0, regs->a1, regs->a2);
break;
case SBI_EXT_VENDOR_PMP:
sbi_thead_pmp_set(funcid, regs->a0);
break;
default:
while(1);
}