redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARCv2: clocksource: Rename GRTC -> GFRC ... 

... it is now called Global Free Running Counter

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Vineet Gupta 2016-01-22 14:27:50 +05:30
parent cbfe74a753
commit d584f0fb04
5 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arc/Kconfig
View File

@ -413,7 +413,7 @@ config ARC_HAS_RTC
default n
depends on !SMP
config ARC_HAS_GRTC
config ARC_HAS_GFRC
bool "SMP synchronized 64-bit cycle counter"
default y
depends on SMP

2
arch/arc/configs/vdk_hs38_smp_defconfig
View File

@ -16,7 +16,7 @@ CONFIG_ARC_PLAT_AXS10X=y
CONFIG_AXS103=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
# CONFIG_ARC_HAS_GRTC is not set
# CONFIG_ARC_HAS_GFRC is not set
CONFIG_ARC_UBOOT_SUPPORT=y
CONFIG_ARC_BUILTIN_DTB_NAME="vdk_hs38_smp"
CONFIG_PREEMPT=y

4
arch/arc/include/asm/mcip.h
View File

@ -39,8 +39,8 @@ struct mcip_cmd {
#define CMD_DEBUG_SET_MASK 0x34
#define CMD_DEBUG_SET_SELECT 0x36
#define CMD_GRTC_READ_LO 0x42
#define CMD_GRTC_READ_HI 0x43
#define CMD_GFRC_READ_LO 0x42
#define CMD_GFRC_READ_HI 0x43
#define CMD_IDU_ENABLE 0x71
#define CMD_IDU_DISABLE 0x72

10
arch/arc/kernel/mcip.c
View File

@ -96,13 +96,13 @@ static void mcip_probe_n_setup(void)
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad3:8,
idu:1, llm:1, num_cores:6,
iocoh:1, grtc:1, dbg:1, pad2:1,
iocoh:1, gfrc:1, dbg:1, pad2:1,
msg:1, sem:1, ipi:1, pad:1,
ver:8;
#else
unsigned int ver:8,
pad:1, ipi:1, sem:1, msg:1,
pad2:1, dbg:1, grtc:1, iocoh:1,
pad2:1, dbg:1, gfrc:1, iocoh:1,
num_cores:6, llm:1, idu:1,
pad3:8;
#endif
@ -116,7 +116,7 @@ static void mcip_probe_n_setup(void)
IS_AVAIL1(mp.ipi, "IPI "),
IS_AVAIL1(mp.idu, "IDU "),
IS_AVAIL1(mp.dbg, "DEBUG "),
IS_AVAIL1(mp.grtc, "GRTC"));
IS_AVAIL1(mp.gfrc, "GFRC"));
idu_detected = mp.idu;
@ -125,8 +125,8 @@ static void mcip_probe_n_setup(void)
__mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf);
}
if (IS_ENABLED(CONFIG_ARC_HAS_GRTC) && !mp.grtc)
panic("kernel trying to use non-existent GRTC\n");
if (IS_ENABLED(CONFIG_ARC_HAS_GFRC) && !mp.gfrc)
panic("kernel trying to use non-existent GFRC\n");
}
struct plat_smp_ops plat_smp_ops = {

8
arch/arc/kernel/time.c
View File

@ -62,7 +62,7 @@
/********** Clock Source Device *********/
#ifdef CONFIG_ARC_HAS_GRTC
#ifdef CONFIG_ARC_HAS_GFRC
static int arc_counter_setup(void)
{
@ -83,10 +83,10 @@ static cycle_t arc_counter_read(struct clocksource *cs)
local_irq_save(flags);
__mcip_cmd(CMD_GRTC_READ_LO, 0);
__mcip_cmd(CMD_GFRC_READ_LO, 0);
stamp.l = read_aux_reg(ARC_REG_MCIP_READBACK);
__mcip_cmd(CMD_GRTC_READ_HI, 0);
__mcip_cmd(CMD_GFRC_READ_HI, 0);
stamp.h = read_aux_reg(ARC_REG_MCIP_READBACK);
local_irq_restore(flags);
@ -95,7 +95,7 @@ static cycle_t arc_counter_read(struct clocksource *cs)
}
static struct clocksource arc_counter = {
.name = "ARConnect GRTC",
.name = "ARConnect GFRC",
.rating = 400,
.read = arc_counter_read,
.mask = CLOCKSOURCE_MASK(64),