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/* SPDX-License-Identifier: GPL-2.0-only */
#include <soc/devapc.h>
static void *getreg(uintptr_t base, unsigned int offset)
{
return (void *)(base + offset);
}
static void infra_master_init(uintptr_t base)
{
/* Sidband */
SET32_BITFIELDS(getreg(base, MAS_SEC_0), SCP_SSPM_SEC, 1, CPU_EB_SEC, 1);
/* Domain */
SET32_BITFIELDS(getreg(base, MAS_DOM_0), PCIE_DOM, MAS_DOMAIN_1);
SET32_BITFIELDS(getreg(base, MAS_DOM_1), SCP_SSPM_DOM, MAS_DOMAIN_2,
CPU_EB_DOM, MAS_DOMAIN_2);
/*
* Domain Remap: TINYSYS to non-EMI (3-bit to 4-bit)
* 1. SCP from 3 to 3
* 2. DSP from 4 to 4
* 3. others from XXX to 15
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
FOUR_BIT_DOM_REMAP_0, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_1, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_2, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_4,
FOUR_BIT_DOM_REMAP_5, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_6, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_7, MAS_DOMAIN_15);
/*
* Domain Remap: MMSYS slave domain remap (4-bit to 2-bit)
* 1. From domain 0 to domain 0 (no protection for all)
* 2. From domain 1, 2, 4 to domain 1 (forbidden for all)
* 3. From domain 3 to domain 3
* 4. others from XXX to domain 0
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
TWO_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
TWO_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
TWO_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
TWO_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
TWO_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
}
static void peri_master_init(uintptr_t base)
{
/* Domain */
SET32_BITFIELDS(getreg(base, MAS_DOM_0), SPM_DOM, MAS_DOMAIN_2);
/*
* Domain Remap: CONNSYS slave domain remap (4-bit to 2-bit)
* 1. From domain 0 to domain 0 (no protection for all)
* 2. From domain 1 ~ 4 to domain 1 (forbidden for all)
* 3. others from XXX to domain 0
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_1_0),
TWO_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
TWO_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
TWO_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
TWO_BIT_DOM_REMAP_3, MAS_DOMAIN_1,
TWO_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
/*
* Domain Remap: TINYSYS slave domain remap (4-bit to 3-bit)
* 1. From domain 0 to domain 0 (no protection for all)
* 2. From domain 1 ~ 4 to domain 1 (forbidden for all)
* 3. others from XXX to domain 0
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
THREE_BIT_DOM_REMAP_0, MAS_DOMAIN_0,
THREE_BIT_DOM_REMAP_1, MAS_DOMAIN_1,
THREE_BIT_DOM_REMAP_2, MAS_DOMAIN_1,
THREE_BIT_DOM_REMAP_3, MAS_DOMAIN_1,
THREE_BIT_DOM_REMAP_4, MAS_DOMAIN_1);
}
static void fmem_master_init(uintptr_t base)
{
/*
* Domain Remap: TINYSYS to EMI (3-bit to 4-bit)
* 1. SCP from 3 to 3
* 2. DSP from 4 to 4
* 3. others from XXX to 15
*/
SET32_BITFIELDS(getreg(base, DOM_REMAP_0_0),
FOUR_BIT_DOM_REMAP_0, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_1, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_2, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_3, MAS_DOMAIN_3,
FOUR_BIT_DOM_REMAP_4, MAS_DOMAIN_4,
FOUR_BIT_DOM_REMAP_5, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_6, MAS_DOMAIN_15,
FOUR_BIT_DOM_REMAP_7, MAS_DOMAIN_15);
}
static void scp_master_init(uintptr_t base)
{
write32(getreg(base, SCP_DOM), MAS_DOMAIN_3);
write32(getreg(base, ADSP_DOM), MAS_DOMAIN_4);
/* Let SCP_DOM and ADSP_DOM registers be read-only for security */
write32(getreg(base, ONETIME_LOCK), 0x5);
}
struct devapc_init {
uintptr_t base;
void (*init)(uintptr_t base);
} devapc_init[DEVAPC_AO_MAX] = {
{ DEVAPC_INFRA_AO_BASE, infra_master_init },
{ DEVAPC_PERI_AO_BASE, peri_master_init },
{ DEVAPC_PERI2_AO_BASE, NULL },
{ DEVAPC_PERI_PAR_AO_BASE, NULL },
{ DEVAPC_FMEM_AO_BASE, fmem_master_init },
{ SCP_CFG_BASE, scp_master_init },
};
void dapc_init(void)
{
int i;
uintptr_t devapc_ao_base;
void (*init_func)(uintptr_t base);
for (i = 0; i < ARRAY_SIZE(devapc_init); i++) {
devapc_ao_base = devapc_init[i].base;
init_func = devapc_init[i].init;
/* Init dapc */
write32(getreg(devapc_ao_base, AO_APC_CON), 0x0);
write32(getreg(devapc_ao_base, AO_APC_CON), 0x1);
/* Init master */
if (init_func)
init_func(devapc_ao_base);
}
}
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