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Diffstat (limited to 'arch/arm/mach-zynqmp/mp.c')
-rw-r--r--arch/arm/mach-zynqmp/mp.c81
1 files changed, 39 insertions, 42 deletions
diff --git a/arch/arm/mach-zynqmp/mp.c b/arch/arm/mach-zynqmp/mp.c
index 448bc532867..d2a7f305ccc 100644
--- a/arch/arm/mach-zynqmp/mp.c
+++ b/arch/arm/mach-zynqmp/mp.c
@@ -17,9 +17,6 @@
#include <linux/errno.h>
#include <linux/string.h>
-#define LOCK 0
-#define SPLIT 1
-
#define HALT 0
#define RELEASE 1
@@ -65,11 +62,11 @@ int cpu_reset(u32 nr)
return 0;
}
-static void set_r5_halt_mode(u32 nr, u8 halt, u8 mode)
+static void set_r5_halt_mode(u32 nr, u8 halt, enum tcm_mode mode)
{
u32 tmp;
- if (mode == LOCK || nr == ZYNQMP_CORE_RPU0) {
+ if (mode == TCM_LOCK || nr == ZYNQMP_CORE_RPU0) {
tmp = readl(&rpu_base->rpu0_cfg);
if (halt == HALT)
tmp &= ~ZYNQMP_RPU_CFG_CPU_HALT_MASK;
@@ -78,7 +75,7 @@ static void set_r5_halt_mode(u32 nr, u8 halt, u8 mode)
writel(tmp, &rpu_base->rpu0_cfg);
}
- if (mode == LOCK || nr == ZYNQMP_CORE_RPU1) {
+ if (mode == TCM_LOCK || nr == ZYNQMP_CORE_RPU1) {
tmp = readl(&rpu_base->rpu1_cfg);
if (halt == HALT)
tmp &= ~ZYNQMP_RPU_CFG_CPU_HALT_MASK;
@@ -88,12 +85,12 @@ static void set_r5_halt_mode(u32 nr, u8 halt, u8 mode)
}
}
-static void set_r5_tcm_mode(u8 mode)
+static void set_r5_tcm_mode(enum tcm_mode mode)
{
u32 tmp;
tmp = readl(&rpu_base->rpu_glbl_ctrl);
- if (mode == LOCK) {
+ if (mode == TCM_LOCK) {
tmp &= ~ZYNQMP_RPU_GLBL_CTRL_SPLIT_LOCK_MASK;
tmp |= ZYNQMP_RPU_GLBL_CTRL_TCM_COMB_MASK |
ZYNQMP_RPU_GLBL_CTRL_SLCLAMP_MASK;
@@ -106,12 +103,12 @@ static void set_r5_tcm_mode(u8 mode)
writel(tmp, &rpu_base->rpu_glbl_ctrl);
}
-static void set_r5_reset(u32 nr, u8 mode)
+static void set_r5_reset(u32 nr, enum tcm_mode mode)
{
u32 tmp;
tmp = readl(&crlapb_base->rst_lpd_top);
- if (mode == LOCK) {
+ if (mode == TCM_LOCK) {
tmp |= (ZYNQMP_CRLAPB_RST_LPD_AMBA_RST_MASK |
ZYNQMP_CRLAPB_RST_LPD_R50_RST_MASK |
ZYNQMP_CRLAPB_RST_LPD_R51_RST_MASK);
@@ -130,16 +127,16 @@ static void set_r5_reset(u32 nr, u8 mode)
writel(tmp, &crlapb_base->rst_lpd_top);
}
-static void release_r5_reset(u32 nr, u8 mode)
+static void release_r5_reset(u32 nr, enum tcm_mode mode)
{
u32 tmp;
tmp = readl(&crlapb_base->rst_lpd_top);
- if (mode == LOCK || nr == ZYNQMP_CORE_RPU0)
+ if (mode == TCM_LOCK || nr == ZYNQMP_CORE_RPU0)
tmp &= ~(ZYNQMP_CRLAPB_RST_LPD_AMBA_RST_MASK |
ZYNQMP_CRLAPB_RST_LPD_R50_RST_MASK);
- if (mode == LOCK || nr == ZYNQMP_CORE_RPU1)
+ if (mode == TCM_LOCK || nr == ZYNQMP_CORE_RPU1)
tmp &= ~(ZYNQMP_CRLAPB_RST_LPD_AMBA_RST_MASK |
ZYNQMP_CRLAPB_RST_LPD_R51_RST_MASK);
@@ -165,9 +162,9 @@ static int check_r5_mode(void)
tmp = readl(&rpu_base->rpu_glbl_ctrl);
if (tmp & ZYNQMP_RPU_GLBL_CTRL_SPLIT_LOCK_MASK)
- return SPLIT;
+ return TCM_SPLIT;
- return LOCK;
+ return TCM_LOCK;
}
int cpu_disable(u32 nr)
@@ -249,27 +246,27 @@ static void write_tcm_boot_trampoline(u32 nr, u32 boot_addr)
}
}
-void initialize_tcm(bool mode)
+void initialize_tcm(enum tcm_mode mode)
{
- if (!mode) {
- set_r5_tcm_mode(LOCK);
- set_r5_halt_mode(ZYNQMP_CORE_RPU0, HALT, LOCK);
+ if (mode == TCM_LOCK) {
+ set_r5_tcm_mode(TCM_LOCK);
+ set_r5_halt_mode(ZYNQMP_CORE_RPU0, HALT, TCM_LOCK);
enable_clock_r5();
- release_r5_reset(ZYNQMP_CORE_RPU0, LOCK);
+ release_r5_reset(ZYNQMP_CORE_RPU0, TCM_LOCK);
} else {
- set_r5_tcm_mode(SPLIT);
- set_r5_halt_mode(ZYNQMP_CORE_RPU0, HALT, SPLIT);
- set_r5_halt_mode(ZYNQMP_CORE_RPU1, HALT, SPLIT);
+ set_r5_tcm_mode(TCM_SPLIT);
+ set_r5_halt_mode(ZYNQMP_CORE_RPU0, HALT, TCM_SPLIT);
+ set_r5_halt_mode(ZYNQMP_CORE_RPU1, HALT, TCM_SPLIT);
enable_clock_r5();
- release_r5_reset(ZYNQMP_CORE_RPU0, SPLIT);
- release_r5_reset(ZYNQMP_CORE_RPU1, SPLIT);
+ release_r5_reset(ZYNQMP_CORE_RPU0, TCM_SPLIT);
+ release_r5_reset(ZYNQMP_CORE_RPU1, TCM_SPLIT);
}
}
-int check_tcm_mode(bool mode)
+int check_tcm_mode(enum tcm_mode mode)
{
u32 tmp, cpu_state;
- bool mode_prev;
+ enum tcm_mode mode_prev;
tmp = readl(&rpu_base->rpu_glbl_ctrl);
mode_prev = FIELD_GET(ZYNQMP_RPU_GLBL_CTRL_SPLIT_LOCK_MASK, tmp);
@@ -279,7 +276,7 @@ int check_tcm_mode(bool mode)
ZYNQMP_CRLAPB_RST_LPD_R51_RST_MASK, tmp);
cpu_state = cpu_state ? false : true;
- if ((mode_prev == SPLIT && mode == LOCK) && cpu_state)
+ if ((mode_prev == TCM_SPLIT && mode == TCM_LOCK) && cpu_state)
return -EACCES;
if (mode_prev == mode)
@@ -288,11 +285,11 @@ int check_tcm_mode(bool mode)
return 0;
}
-static void mark_r5_used(u32 nr, u8 mode)
+static void mark_r5_used(u32 nr, enum tcm_mode mode)
{
u32 mask = 0;
- if (mode == LOCK) {
+ if (mode == TCM_LOCK) {
mask = ZYNQMP_RPU0_USE_MASK | ZYNQMP_RPU1_USE_MASK;
} else {
switch (nr) {
@@ -358,30 +355,30 @@ int cpu_release(u32 nr, int argc, char *const argv[])
return 1;
}
printf("R5 lockstep mode\n");
- set_r5_reset(nr, LOCK);
- set_r5_tcm_mode(LOCK);
- set_r5_halt_mode(nr, HALT, LOCK);
+ set_r5_reset(nr, TCM_LOCK);
+ set_r5_tcm_mode(TCM_LOCK);
+ set_r5_halt_mode(nr, HALT, TCM_LOCK);
set_r5_start(boot_addr);
enable_clock_r5();
- release_r5_reset(nr, LOCK);
+ release_r5_reset(nr, TCM_LOCK);
dcache_disable();
write_tcm_boot_trampoline(nr, boot_addr_uniq);
dcache_enable();
- set_r5_halt_mode(nr, RELEASE, LOCK);
- mark_r5_used(nr, LOCK);
+ set_r5_halt_mode(nr, RELEASE, TCM_LOCK);
+ mark_r5_used(nr, TCM_LOCK);
} else if (!strcmp(argv[1], "split") || !strcmp(argv[1], "1")) {
printf("R5 split mode\n");
- set_r5_reset(nr, SPLIT);
- set_r5_tcm_mode(SPLIT);
- set_r5_halt_mode(nr, HALT, SPLIT);
+ set_r5_reset(nr, TCM_SPLIT);
+ set_r5_tcm_mode(TCM_SPLIT);
+ set_r5_halt_mode(nr, HALT, TCM_SPLIT);
set_r5_start(boot_addr);
enable_clock_r5();
- release_r5_reset(nr, SPLIT);
+ release_r5_reset(nr, TCM_SPLIT);
dcache_disable();
write_tcm_boot_trampoline(nr, boot_addr_uniq);
dcache_enable();
- set_r5_halt_mode(nr, RELEASE, SPLIT);
- mark_r5_used(nr, SPLIT);
+ set_r5_halt_mode(nr, RELEASE, TCM_SPLIT);
+ mark_r5_used(nr, TCM_SPLIT);
} else {
printf("Unsupported mode\n");
return 1;
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-24 07:43:58 +0000