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Merge a20_mp_start_ap and a31_mp_start_ap into one function.

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This function works with all smp non-multicluster allwinner SoC (A20, A31, A31S and H3).

Approved by:	cognet (mentor)
Differential Revision:	https://reviews.freebsd.org/D6269
This commit is contained in:
Emmanuel Vadot 2016-05-10 18:00:37 +00:00
parent f2dbb750f4
commit 498b9fa710
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=299380
3 changed files with 27 additions and 43 deletions
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6
sys/arm/allwinner/allwinner_machdep.c
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@ -167,7 +167,7 @@ static platform_method_t a20_methods[] = {
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a20_mp_start_ap),
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
@ -182,7 +182,7 @@ static platform_method_t a31_methods[] = {
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a31_mp_start_ap),
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
@ -197,7 +197,7 @@ static platform_method_t a31s_methods[] = {
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a31_mp_start_ap),
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,

61
sys/arm/allwinner/aw_mp.c
View File

@ -107,12 +107,28 @@ aw_mp_setmaxid(platform_t plat)
mp_maxid = ncpu - 1;
}
static void
aw_common_mp_start_ap(bus_space_handle_t cpucfg, bus_space_handle_t prcm)
void
aw_mp_start_ap(platform_t plat)
{
int i, j;
bus_space_handle_t cpucfg;
bus_space_handle_t prcm;
int i, j, soc_family;
uint32_t val;
soc_family = allwinner_soc_family();
if (soc_family == ALLWINNERSOC_SUN7I) {
if (bus_space_map(fdtbus_bs_tag, A20_CPUCFG_BASE, CPUCFG_SIZE,
0, &cpucfg) != 0)
panic("Couldn't map the CPUCFG\n");
} else {
if (bus_space_map(fdtbus_bs_tag, CPUCFG_BASE, CPUCFG_SIZE,
0, &cpucfg) != 0)
panic("Couldn't map the CPUCFG\n");
if (bus_space_map(fdtbus_bs_tag, PRCM_BASE, PRCM_SIZE, 0,
&prcm) != 0)
panic("Couldn't map the PRCM\n");
}
dcache_wbinv_poc_all();
bus_space_write_4(fdtbus_bs_tag, cpucfg, CPUCFG_P_REG0,
@ -141,7 +157,7 @@ aw_common_mp_start_ap(bus_space_handle_t cpucfg, bus_space_handle_t prcm)
/* Release power clamp */
for (i = 1; i < mp_ncpus; i++)
for (j = 0; j <= CPU_PWR_CLAMP_STEPS; j++) {
if (prcm) {
if (soc_family != ALLWINNERSOC_SUN7I) {
bus_space_write_4(fdtbus_bs_tag, prcm,
CPU_PWR_CLAMP(i), 0xff >> j);
} else {
@ -152,7 +168,7 @@ aw_common_mp_start_ap(bus_space_handle_t cpucfg, bus_space_handle_t prcm)
DELAY(10000);
/* Clear power-off gating */
if (prcm) {
if (soc_family != ALLWINNERSOC_SUN7I) {
val = bus_space_read_4(fdtbus_bs_tag, prcm, CPU_PWROFF);
for (i = 0; i < mp_ncpus; i++)
val &= ~(1 << i);
@ -179,39 +195,8 @@ aw_common_mp_start_ap(bus_space_handle_t cpucfg, bus_space_handle_t prcm)
armv7_sev();
bus_space_unmap(fdtbus_bs_tag, cpucfg, CPUCFG_SIZE);
}
void
a20_mp_start_ap(platform_t plat)
{
bus_space_handle_t cpucfg;
if (bus_space_map(fdtbus_bs_tag, A20_CPUCFG_BASE, CPUCFG_SIZE,
0, &cpucfg) != 0)
panic("Couldn't map the CPUCFG\n");
aw_common_mp_start_ap(cpucfg, 0);
armv7_sev();
bus_space_unmap(fdtbus_bs_tag, cpucfg, CPUCFG_SIZE);
}
void
a31_mp_start_ap(platform_t plat)
{
bus_space_handle_t cpucfg;
bus_space_handle_t prcm;
if (bus_space_map(fdtbus_bs_tag, CPUCFG_BASE, CPUCFG_SIZE,
0, &cpucfg) != 0)
panic("Couldn't map the CPUCFG\n");
if (bus_space_map(fdtbus_bs_tag, PRCM_BASE, PRCM_SIZE, 0,
&prcm) != 0)
panic("Couldn't map the PRCM\n");
aw_common_mp_start_ap(cpucfg, prcm);
armv7_sev();
bus_space_unmap(fdtbus_bs_tag, cpucfg, CPUCFG_SIZE);
bus_space_unmap(fdtbus_bs_tag, prcm, PRCM_SIZE);
if (soc_family != ALLWINNERSOC_SUN7I)
bus_space_unmap(fdtbus_bs_tag, prcm, PRCM_SIZE);
}
static void

3
sys/arm/allwinner/aw_mp.h
View File

@ -29,8 +29,7 @@
#define _AW_MP_H_
void aw_mp_setmaxid(platform_t plat);
void a20_mp_start_ap(platform_t plat);
void a31_mp_start_ap(platform_t plat);
void aw_mp_start_ap(platform_t plat);
void a83t_mp_start_ap(platform_t plat);
#endif /* _AW_MP_H_ */