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arm: socfpga: Convert reset manager from struct to defines

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Convert reset manager for Gen5, Arria 10 and Stratix 10 from struct
to defines.

Change to get reset manager base address from DT node instead of using
#define.

spl_early_init() initializes the DT setup. So, move spl_early_init() to
beginning of function and before get base address from DT.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
This commit is contained in:
Ley Foon Tan 2019-11-08 10:38:19 +08:00 committed by Marek Vasut
parent dd72cbd9e9
commit bb25aca134
14 changed files with 153 additions and 152 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-socfpga/include/mach/misc.h
View File

@ -41,5 +41,6 @@ void socfpga_sdram_remap_zero(void);
void do_bridge_reset(int enable, unsigned int mask);
void socfpga_pl310_clear(void);
void socfpga_get_managers_addr(void);
#endif /* _SOCFPGA_MISC_H_ */

2
arch/arm/mach-socfpga/include/mach/reset_manager.h
View File

@ -6,6 +6,8 @@
#ifndef _RESET_MANAGER_H_
#define _RESET_MANAGER_H_
phys_addr_t socfpga_get_rstmgr_addr(void);
void reset_cpu(ulong addr);
void socfpga_per_reset(u32 reset, int set);

43
arch/arm/mach-socfpga/include/mach/reset_manager_arria10.h
View File

@ -14,40 +14,15 @@ int socfpga_reset_deassert_bridges_handoff(void);
void socfpga_reset_deassert_osc1wd0(void);
int socfpga_bridges_reset(void);
struct socfpga_reset_manager {
u32 stat;
u32 ramstat;
u32 miscstat;
u32 ctrl;
u32 hdsken;
u32 hdskreq;
u32 hdskack;
u32 counts;
u32 mpumodrst;
u32 per0modrst;
u32 per1modrst;
u32 brgmodrst;
u32 sysmodrst;
u32 coldmodrst;
u32 nrstmodrst;
u32 dbgmodrst;
u32 mpuwarmmask;
u32 per0warmmask;
u32 per1warmmask;
u32 brgwarmmask;
u32 syswarmmask;
u32 nrstwarmmask;
u32 l3warmmask;
u32 tststa;
u32 tstscratch;
u32 hdsktimeout;
u32 hmcintr;
u32 hmcintren;
u32 hmcintrens;
u32 hmcintrenr;
u32 hmcgpout;
u32 hmcgpin;
};
#define RSTMGR_A10_STATUS 0x00
#define RSTMGR_A10_CTRL 0x0c
#define RSTMGR_A10_MPUMODRST 0x20
#define RSTMGR_A10_PER0MODRST 0x24
#define RSTMGR_A10_PER1MODRST 0x28
#define RSTMGR_A10_BRGMODRST 0x2c
#define RSTMGR_A10_SYSMODRST 0x30
#define RSTMGR_CTRL RSTMGR_A10_CTRL
/*
* SocFPGA Arria10 reset IDs, bank mapping is as follows:

22
arch/arm/mach-socfpga/include/mach/reset_manager_gen5.h
View File

@ -11,19 +11,15 @@
void socfpga_bridges_set_handoff_regs(bool h2f, bool lwh2f, bool f2h);
void socfpga_bridges_reset(int enable);
struct socfpga_reset_manager {
u32 status;
u32 ctrl;
u32 counts;
u32 padding1;
u32 mpu_mod_reset;
u32 per_mod_reset;
u32 per2_mod_reset;
u32 brg_mod_reset;
u32 misc_mod_reset;
u32 padding2[12];
u32 tstscratch;
};
#define RSTMGR_GEN5_STATUS 0x00
#define RSTMGR_GEN5_CTRL 0x04
#define RSTMGR_GEN5_MPUMODRST 0x10
#define RSTMGR_GEN5_PERMODRST 0x14
#define RSTMGR_GEN5_PER2MODRST 0x18
#define RSTMGR_GEN5_BRGMODRST 0x1c
#define RSTMGR_GEN5_MISCMODRST 0x20
#define RSTMGR_CTRL RSTMGR_GEN5_CTRL
/*
* SocFPGA Cyclone V/Arria V reset IDs, bank mapping is as follows:

33
arch/arm/mach-socfpga/include/mach/reset_manager_s10.h
View File

@ -15,34 +15,11 @@ void socfpga_bridges_reset(int enable);
void socfpga_per_reset(u32 reset, int set);
void socfpga_per_reset_all(void);
struct socfpga_reset_manager {
u32 status;
u32 mpu_rst_stat;
u32 misc_stat;
u32 padding1;
u32 hdsk_en;
u32 hdsk_req;
u32 hdsk_ack;
u32 hdsk_stall;
u32 mpumodrst;
u32 per0modrst;
u32 per1modrst;
u32 brgmodrst;
u32 padding2;
u32 cold_mod_reset;
u32 padding3;
u32 dbg_mod_reset;
u32 tap_mod_reset;
u32 padding4;
u32 padding5;
u32 brg_warm_mask;
u32 padding6[3];
u32 tst_stat;
u32 padding7;
u32 hdsk_timeout;
u32 mpul2flushtimeout;
u32 dbghdsktimeout;
};
#define RSTMGR_S10_STATUS 0x00
#define RSTMGR_S10_MPUMODRST 0x20
#define RSTMGR_S10_PER0MODRST 0x24
#define RSTMGR_S10_PER1MODRST 0x28
#define RSTMGR_S10_BRGMODRST 0x2c
#define RSTMGR_MPUMODRST_CORE0 0
#define RSTMGR_PER0MODRST_OCP_MASK 0x0020bf00

41
arch/arm/mach-socfpga/misc.c
View File

@ -23,6 +23,8 @@
DECLARE_GLOBAL_DATA_PTR;
phys_addr_t socfpga_rstmgr_base __section(".data");
#ifdef CONFIG_SYS_L2_PL310
static const struct pl310_regs *const pl310 =
(struct pl310_regs *)CONFIG_SYS_PL310_BASE;
@ -146,6 +148,8 @@ void socfpga_fpga_add(void *fpga_desc)
int arch_cpu_init(void)
{
socfpga_get_managers_addr();
#ifdef CONFIG_HW_WATCHDOG
/*
* In case the watchdog is enabled, make sure to (re-)configure it
@ -203,3 +207,40 @@ U_BOOT_CMD(bridge, 3, 1, do_bridge,
);
#endif
static int socfpga_get_base_addr(const char *compat, phys_addr_t *base)
{
const void *blob = gd->fdt_blob;
struct fdt_resource r;
int node;
int ret;
node = fdt_node_offset_by_compatible(blob, -1, compat);
if (node < 0)
return node;
if (!fdtdec_get_is_enabled(blob, node))
return -ENODEV;
ret = fdt_get_resource(blob, node, "reg", 0, &r);
if (ret)
return ret;
*base = (phys_addr_t)r.start;
return 0;
}
void socfpga_get_managers_addr(void)
{
int ret;
ret = socfpga_get_base_addr("altr,rst-mgr", &socfpga_rstmgr_base);
if (ret)
hang();
}
phys_addr_t socfpga_get_rstmgr_addr(void)
{
return socfpga_rstmgr_base;
}

12
arch/arm/mach-socfpga/misc_gen5.c
View File

@ -208,8 +208,6 @@ int arch_early_init_r(void)
}
#ifndef CONFIG_SPL_BUILD
static struct socfpga_reset_manager *reset_manager_base =
(struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS;
static struct socfpga_sdr_ctrl *sdr_ctrl =
(struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS;
@ -228,15 +226,17 @@ void do_bridge_reset(int enable, unsigned int mask)
writel(iswgrp_handoff[2], &sysmgr_regs->fpgaintfgrp_module);
writel(iswgrp_handoff[3], &sdr_ctrl->fpgaport_rst);
writel(iswgrp_handoff[0], &reset_manager_base->brg_mod_reset);
writel(iswgrp_handoff[0],
socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
writel(iswgrp_handoff[1], &nic301_regs->remap);
writel(0x7, &reset_manager_base->brg_mod_reset);
writel(iswgrp_handoff[0], &reset_manager_base->brg_mod_reset);
writel(0x7, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
writel(iswgrp_handoff[0],
socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
} else {
writel(0, &sysmgr_regs->fpgaintfgrp_module);
writel(0, &sdr_ctrl->fpgaport_rst);
writel(0x7, &reset_manager_base->brg_mod_reset);
writel(0x7, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
writel(1, &nic301_regs->remap);
}
}

39
arch/arm/mach-socfpga/reset_manager_arria10.c
View File

@ -15,8 +15,6 @@
DECLARE_GLOBAL_DATA_PTR;
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
static const struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
@ -63,14 +61,14 @@ static const struct bridge_cfg bridge_cfg_tbl[] = {
void socfpga_watchdog_disable(void)
{
/* assert reset for watchdog */
setbits_le32(&reset_manager_base->per1modrst,
setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_PER1MODRST,
ALT_RSTMGR_PER1MODRST_WD0_SET_MSK);
}
/* Release NOC ddr scheduler from reset */
void socfpga_reset_deassert_noc_ddr_scheduler(void)
{
clrbits_le32(&reset_manager_base->brgmodrst,
clrbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_BRGMODRST,
ALT_RSTMGR_BRGMODRST_DDRSCH_SET_MSK);
}
@ -103,7 +101,8 @@ int socfpga_reset_deassert_bridges_handoff(void)
setbits_le32(&sysmgr_regs->noc_idlereq_clr, mask_noc);
/* Release bridges from reset state per handoff value */
clrbits_le32(&reset_manager_base->brgmodrst, mask_rstmgr);
clrbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_BRGMODRST,
mask_rstmgr);
/* Poll until all idleack to 0, timeout at 1000ms */
return wait_for_bit_le32(&sysmgr_regs->noc_idleack, mask_noc,
@ -113,7 +112,7 @@ int socfpga_reset_deassert_bridges_handoff(void)
/* Release L4 OSC1 Watchdog Timer 0 from reset through reset manager */
void socfpga_reset_deassert_osc1wd0(void)
{
clrbits_le32(&reset_manager_base->per1modrst,
clrbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_PER1MODRST,
ALT_RSTMGR_PER1MODRST_WD0_SET_MSK);
}
@ -122,24 +121,24 @@ void socfpga_reset_deassert_osc1wd0(void)
*/
void socfpga_per_reset(u32 reset, int set)
{
const u32 *reg;
unsigned long reg;
u32 rstmgr_bank = RSTMGR_BANK(reset);
switch (rstmgr_bank) {
case 0:
reg = &reset_manager_base->mpumodrst;
reg = RSTMGR_A10_MPUMODRST;
break;
case 1:
reg = &reset_manager_base->per0modrst;
reg = RSTMGR_A10_PER0MODRST;
break;
case 2:
reg = &reset_manager_base->per1modrst;
reg = RSTMGR_A10_PER1MODRST;
break;
case 3:
reg = &reset_manager_base->brgmodrst;
reg = RSTMGR_A10_BRGMODRST;
break;
case 4:
reg = &reset_manager_base->sysmodrst;
reg = RSTMGR_A10_SYSMODRST;
break;
default:
@ -147,9 +146,11 @@ void socfpga_per_reset(u32 reset, int set)
}
if (set)
setbits_le32(reg, 1 << RSTMGR_RESET(reset));
setbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
else
clrbits_le32(reg, 1 << RSTMGR_RESET(reset));
clrbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
}
/*
@ -174,11 +175,13 @@ void socfpga_per_reset_all(void)
ALT_RSTMGR_PER0MODRST_SDMMCECC_SET_MSK;
/* disable all components except ECC_OCP, L4 Timer0 and L4 WD0 */
writel(~l4wd0, &reset_manager_base->per1modrst);
setbits_le32(&reset_manager_base->per0modrst, ~mask_ecc_ocp);
writel(~l4wd0, socfpga_get_rstmgr_addr() + RSTMGR_A10_PER1MODRST);
setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_PER0MODRST,
~mask_ecc_ocp);
/* Finally disable the ECC_OCP */
setbits_le32(&reset_manager_base->per0modrst, mask_ecc_ocp);
setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_PER0MODRST,
mask_ecc_ocp);
}
int socfpga_bridges_reset(void)
@ -224,7 +227,7 @@ int socfpga_bridges_reset(void)
return ret;
/* Put all bridges (except NOR DDR scheduler) into reset state */
setbits_le32(&reset_manager_base->brgmodrst,
setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_A10_BRGMODRST,
(ALT_RSTMGR_BRGMODRST_H2F_SET_MSK |
ALT_RSTMGR_BRGMODRST_LWH2F_SET_MSK |
ALT_RSTMGR_BRGMODRST_F2H_SET_MSK |

28
arch/arm/mach-socfpga/reset_manager_gen5.c
View File

@ -10,32 +10,30 @@
#include <asm/arch/reset_manager.h>
#include <asm/arch/system_manager.h>
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
static const struct socfpga_system_manager *sysmgr_regs =
(struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS;
/* Assert or de-assert SoCFPGA reset manager reset. */
void socfpga_per_reset(u32 reset, int set)
{
const u32 *reg;
unsigned long reg;
u32 rstmgr_bank = RSTMGR_BANK(reset);
switch (rstmgr_bank) {
case 0:
reg = &reset_manager_base->mpu_mod_reset;
reg = RSTMGR_GEN5_MPUMODRST;
break;
case 1:
reg = &reset_manager_base->per_mod_reset;
reg = RSTMGR_GEN5_PERMODRST;
break;
case 2:
reg = &reset_manager_base->per2_mod_reset;
reg = RSTMGR_GEN5_PER2MODRST;
break;
case 3:
reg = &reset_manager_base->brg_mod_reset;
reg = RSTMGR_GEN5_BRGMODRST;
break;
case 4:
reg = &reset_manager_base->misc_mod_reset;
reg = RSTMGR_GEN5_MISCMODRST;
break;
default:
@ -43,9 +41,11 @@ void socfpga_per_reset(u32 reset, int set)
}
if (set)
setbits_le32(reg, 1 << RSTMGR_RESET(reset));
setbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
else
clrbits_le32(reg, 1 << RSTMGR_RESET(reset));
clrbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
}
/*
@ -57,8 +57,8 @@ void socfpga_per_reset_all(void)
{
const u32 l4wd0 = 1 << RSTMGR_RESET(SOCFPGA_RESET(L4WD0));
writel(~l4wd0, &reset_manager_base->per_mod_reset);
writel(0xffffffff, &reset_manager_base->per2_mod_reset);
writel(~l4wd0, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_PERMODRST);
writel(0xffffffff, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_PER2MODRST);
}
#define L3REGS_REMAP_LWHPS2FPGA_MASK 0x10
@ -95,7 +95,7 @@ void socfpga_bridges_reset(int enable)
if (enable) {
/* brdmodrst */
writel(0x7, &reset_manager_base->brg_mod_reset);
writel(0x7, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
writel(L3REGS_REMAP_OCRAM_MASK, SOCFPGA_L3REGS_ADDRESS);
} else {
socfpga_bridges_set_handoff_regs(false, false, false);
@ -109,7 +109,7 @@ void socfpga_bridges_reset(int enable)
}
/* brdmodrst */
writel(0, &reset_manager_base->brg_mod_reset);
writel(0, socfpga_get_rstmgr_addr() + RSTMGR_GEN5_BRGMODRST);
/* Remap the bridges into memory map */
writel(l3mask, SOCFPGA_L3REGS_ADDRESS);

31
arch/arm/mach-socfpga/reset_manager_s10.c
View File

@ -12,31 +12,31 @@
DECLARE_GLOBAL_DATA_PTR;
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
static const struct socfpga_system_manager *system_manager_base =
(void *)SOCFPGA_SYSMGR_ADDRESS;
/* Assert or de-assert SoCFPGA reset manager reset. */
void socfpga_per_reset(u32 reset, int set)
{
const void *reg;
unsigned long reg;
if (RSTMGR_BANK(reset) == 0)
reg = &reset_manager_base->mpumodrst;
reg = RSTMGR_S10_MPUMODRST;
else if (RSTMGR_BANK(reset) == 1)
reg = &reset_manager_base->per0modrst;
reg = RSTMGR_S10_PER0MODRST;
else if (RSTMGR_BANK(reset) == 2)
reg = &reset_manager_base->per1modrst;
reg = RSTMGR_S10_PER1MODRST;
else if (RSTMGR_BANK(reset) == 3)
reg = &reset_manager_base->brgmodrst;
reg = RSTMGR_S10_BRGMODRST;
else /* Invalid reset register, do nothing */
return;
if (set)
setbits_le32(reg, 1 << RSTMGR_RESET(reset));
setbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
else
clrbits_le32(reg, 1 << RSTMGR_RESET(reset));
clrbits_le32(socfpga_get_rstmgr_addr() + reg,
1 << RSTMGR_RESET(reset));
}
/*
@ -50,9 +50,9 @@ void socfpga_per_reset_all(void)
/* disable all except OCP and l4wd0. OCP disable later */
writel(~(l4wd0 | RSTMGR_PER0MODRST_OCP_MASK),
&reset_manager_base->per0modrst);
writel(~l4wd0, &reset_manager_base->per0modrst);
writel(0xffffffff, &reset_manager_base->per1modrst);
socfpga_get_rstmgr_addr() + RSTMGR_S10_PER0MODRST);
writel(~l4wd0, socfpga_get_rstmgr_addr() + RSTMGR_S10_PER0MODRST);
writel(0xffffffff, socfpga_get_rstmgr_addr() + RSTMGR_S10_PER1MODRST);
}
void socfpga_bridges_reset(int enable)
@ -62,7 +62,8 @@ void socfpga_bridges_reset(int enable)
setbits_le32(&system_manager_base->noc_idlereq_clr, ~0);
/* Release all bridges from reset state */
clrbits_le32(&reset_manager_base->brgmodrst, ~0);
clrbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_S10_BRGMODRST,
~0);
/* Poll until all idleack to 0 */
while (readl(&system_manager_base->noc_idleack))
@ -85,7 +86,7 @@ void socfpga_bridges_reset(int enable)
;
/* Reset all bridges (except NOR DDR scheduler & F2S) */
setbits_le32(&reset_manager_base->brgmodrst,
setbits_le32(socfpga_get_rstmgr_addr() + RSTMGR_S10_BRGMODRST,
~(RSTMGR_BRGMODRST_DDRSCH_MASK |
RSTMGR_BRGMODRST_FPGA2SOC_MASK));
@ -99,6 +100,6 @@ void socfpga_bridges_reset(int enable)
*/
int cpu_has_been_warmreset(void)
{
return readl(&reset_manager_base->status) &
return readl(socfpga_get_rstmgr_addr() + RSTMGR_S10_STATUS) &
RSTMGR_L4WD_MPU_WARMRESET_MASK;
}

7
arch/arm/mach-socfpga/spl_a10.c
View File

@ -107,6 +107,11 @@ void spl_board_init(void)
void board_init_f(ulong dummy)
{
if (spl_early_init())
hang();
socfpga_get_managers_addr();
dcache_disable();
socfpga_init_security_policies();
@ -117,8 +122,6 @@ void board_init_f(ulong dummy)
socfpga_per_reset_all();
socfpga_watchdog_disable();
spl_early_init();
/* Configure the clock based on handoff */
cm_basic_init(gd->fdt_blob);

14
arch/arm/mach-socfpga/spl_gen5.c
View File

@ -67,8 +67,14 @@ void board_init_f(ulong dummy)
int ret;
struct udevice *dev;
ret = spl_early_init();
if (ret)
hang();
socfpga_get_managers_addr();
/*
* First C code to run. Clear fake OCRAM ECC first as SBE
* Clear fake OCRAM ECC first as SBE
* and DBE might triggered during power on
*/
reg = readl(&sysmgr_regs->eccgrp_ocram);
@ -128,12 +134,6 @@ void board_init_f(ulong dummy)
debug_uart_init();
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
ret = uclass_get_device(UCLASS_RESET, 0, &dev);
if (ret)
debug("Reset init failed: %d\n", ret);

12
arch/arm/mach-socfpga/spl_s10.c
View File

@ -14,6 +14,7 @@
#include <asm/arch/clock_manager.h>
#include <asm/arch/firewall_s10.h>
#include <asm/arch/mailbox_s10.h>
#include <asm/arch/misc.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/system_manager.h>
#include <watchdog.h>
@ -120,6 +121,12 @@ void board_init_f(ulong dummy)
const struct cm_config *cm_default_cfg = cm_get_default_config();
int ret;
ret = spl_early_init();
if (ret)
hang();
socfpga_get_managers_addr();
#ifdef CONFIG_HW_WATCHDOG
/* Ensure watchdog is paused when debugging is happening */
writel(SYSMGR_WDDBG_PAUSE_ALL_CPU, &sysmgr_regs->wddbg);
@ -145,11 +152,6 @@ void board_init_f(ulong dummy)
socfpga_per_reset(SOCFPGA_RESET(UART0), 0);
debug_uart_init();
#endif
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
preloader_console_init();
cm_print_clock_quick_summary();

6
drivers/sysreset/sysreset_socfpga.c
View File

@ -12,7 +12,7 @@
#include <asm/arch/reset_manager.h>
struct socfpga_sysreset_data {
struct socfpga_reset_manager *rstmgr_base;
void __iomem *rstmgr_base;
};
static int socfpga_sysreset_request(struct udevice *dev,
@ -23,11 +23,11 @@ static int socfpga_sysreset_request(struct udevice *dev,
switch (type) {
case SYSRESET_WARM:
writel(BIT(RSTMGR_CTRL_SWWARMRSTREQ_LSB),
&data->rstmgr_base->ctrl);
data->rstmgr_base + RSTMGR_CTRL);
break;
case SYSRESET_COLD:
writel(BIT(RSTMGR_CTRL_SWCOLDRSTREQ_LSB),
&data->rstmgr_base->ctrl);
data->rstmgr_base + RSTMGR_CTRL);
break;
default:
return -EPROTONOSUPPORT;