blob: d022e4ca939aa103a7e3f12bdf5d25de8f1ceb84 [file] [log] [blame]
/*
* Copyright 2020-2024 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <common/debug.h>
#include <lib/mmio.h>
#include <plat/common/platform.h>
#include <platform_def.h>
#include "xrdc_config.h"
#define XRDC_ADDR 0x292f0000
#define MRC_OFFSET 0x2000
#define MRC_STEP 0x200
#define XRDC_MGR_PAC_ID U(0)
#define XRDC_MGR_PAC_SLOT U(47)
enum xrdc_comp_type {
MDA_TYPE = (1 << 16),
MRC_TYPE = (2 << 16),
PAC_TYPE = (3 << 16),
MSC_TYPE = (4 << 16),
};
enum xrdc_pd_type {
XRDC_AD_PD,
XRDC_HIFI_PD,
XRDC_AV_PD,
};
#define XRDC_TYPE_MASK (0x7 << 16)
#define XRDC_ID_MASK 0xFFFF
#define XRDC_ID(id) ((id) & XRDC_ID_MASK)
typedef bool (*xrdc_check_func)(enum xrdc_comp_type type, uint16_t id);
/* Access below XRDC needs enable PS 8
* and HIFI clocks and release HIFI firstly
*/
uint32_t hifi_xrdc_list[] = {
(MDA_TYPE | XRDC_ID(9)),
(MRC_TYPE | XRDC_ID(7)),
(MRC_TYPE | XRDC_ID(9)),
(MRC_TYPE | XRDC_ID(11)),
};
/* Access below XRDC needs enable PS 16 firstly */
uint32_t av_periph_xrdc_list[] = {
(MDA_TYPE | XRDC_ID(10)),
(MDA_TYPE | XRDC_ID(11)),
(MDA_TYPE | XRDC_ID(12)),
(MDA_TYPE | XRDC_ID(13)),
(MDA_TYPE | XRDC_ID(14)),
(MDA_TYPE | XRDC_ID(15)),
(MDA_TYPE | XRDC_ID(16)),
(PAC_TYPE | XRDC_ID(2)),
(MRC_TYPE | XRDC_ID(6)),
(MRC_TYPE | XRDC_ID(8)),
(MRC_TYPE | XRDC_ID(10)),
(MSC_TYPE | XRDC_ID(1)),
(MSC_TYPE | XRDC_ID(2)),
};
uint32_t imx8ulp_pac_slots[] = {
61, 23, 53
};
uint32_t imx8ulp_msc_slots[] = {
2, 1, 7
};
static int xrdc_config_mrc_w0_w1(uint32_t mrc_con, uint32_t region, uint32_t w0, uint32_t size)
{
uint32_t w0_addr, w1_addr;
w0_addr = XRDC_ADDR + MRC_OFFSET + mrc_con * 0x200 + region * 0x20;
w1_addr = w0_addr + 4;
if ((size % 32) != 0) {
return -EINVAL;
}
mmio_write_32(w0_addr, w0 & ~0x1f);
mmio_write_32(w1_addr, w0 + size - 1);
return 0;
}
static int xrdc_config_mrc_w2(uint32_t mrc_con, uint32_t region, uint32_t dxsel_all)
{
uint32_t w2_addr;
w2_addr = XRDC_ADDR + MRC_OFFSET + mrc_con * 0x200 + region * 0x20 + 0x8;
mmio_write_32(w2_addr, dxsel_all);
return 0;
}
static int xrdc_config_mrc_w3_w4(uint32_t mrc_con, uint32_t region, uint32_t w3, uint32_t w4)
{
uint32_t w3_addr = XRDC_ADDR + MRC_OFFSET + mrc_con * 0x200 + region * 0x20 + 0xC;
uint32_t w4_addr = w3_addr + 4;
mmio_write_32(w3_addr, w3);
mmio_write_32(w4_addr, w4);
return 0;
}
static int xrdc_config_pac(uint32_t pac, uint32_t index, uint32_t dxacp)
{
uint32_t w0_addr;
uint32_t val;
if (pac > 2U) {
return -EINVAL;
}
/* Skip the PAC slot for XRDC MGR, use Sentinel configuration */
if (pac == XRDC_MGR_PAC_ID && index == XRDC_MGR_PAC_SLOT) {
return 0;
}
w0_addr = XRDC_ADDR + 0x1000 + 0x400 * pac + 0x8 * index;
mmio_write_32(w0_addr, dxacp);
val = mmio_read_32(w0_addr + 4);
mmio_write_32(w0_addr + 4, val | BIT_32(31));
return 0;
}
static int xrdc_config_msc(uint32_t msc, uint32_t index, uint32_t dxacp)
{
uint32_t w0_addr;
uint32_t val;
if (msc > 2) {
return -EINVAL;
}
w0_addr = XRDC_ADDR + 0x4000 + 0x400 * msc + 0x8 * index;
mmio_write_32(w0_addr, dxacp);
val = mmio_read_32(w0_addr + 4);
mmio_write_32(w0_addr + 4, val | BIT_32(31));
return 0;
}
static int xrdc_config_mda(uint32_t mda_con, uint32_t dom, enum xrdc_mda_sa sa)
{
uint32_t w0_addr;
uint32_t val;
w0_addr = XRDC_ADDR + 0x800 + mda_con * 0x20;
val = mmio_read_32(w0_addr);
if (val & BIT_32(29)) {
mmio_write_32(w0_addr, (val & (~0xFF)) | dom |
BIT_32(31) | 0x20 | ((sa & 0x3) << 6));
} else {
mmio_write_32(w0_addr, dom | BIT_32(31));
mmio_write_32(w0_addr + 0x4, dom | BIT_32(31));
}
return 0;
}
static bool xrdc_check_pd(enum xrdc_comp_type type,
uint16_t id, enum xrdc_pd_type pd)
{
unsigned int i, size;
uint32_t item = type | XRDC_ID(id);
uint32_t *list;
if (pd == XRDC_HIFI_PD) {
size = ARRAY_SIZE(hifi_xrdc_list);
list = hifi_xrdc_list;
} else if (pd == XRDC_AV_PD) {
size = ARRAY_SIZE(av_periph_xrdc_list);
list = av_periph_xrdc_list;
} else {
return false;
}
for (i = 0U; i < size; i++) {
if (item == list[i]) {
return true;
}
}
return false;
}
static bool xrdc_check_lpav(enum xrdc_comp_type type, uint16_t id)
{
return xrdc_check_pd(type, id, XRDC_AV_PD);
}
static bool xrdc_check_hifi(enum xrdc_comp_type type, uint16_t id)
{
return xrdc_check_pd(type, id, XRDC_HIFI_PD);
}
static bool xrdc_check_ad(enum xrdc_comp_type type, uint16_t id)
{
return (!xrdc_check_pd(type, id, XRDC_HIFI_PD) &&
!xrdc_check_pd(type, id, XRDC_AV_PD));
}
static int xrdc_apply_config(xrdc_check_func check_func)
{
unsigned int i, j;
uint32_t val;
for (i = 0U; i < ARRAY_SIZE(imx8ulp_mda); i++) {
if (check_func(MDA_TYPE, imx8ulp_mda[i].mda_id)) {
xrdc_config_mda(imx8ulp_mda[i].mda_id,
imx8ulp_mda[i].did, imx8ulp_mda[i].sa);
}
}
for (i = 0U; i < ARRAY_SIZE(imx8ulp_mrc); i++) {
if (check_func(MRC_TYPE, imx8ulp_mrc[i].mrc_id)) {
xrdc_config_mrc_w0_w1(imx8ulp_mrc[i].mrc_id,
imx8ulp_mrc[i].region_id,
imx8ulp_mrc[i].region_start,
imx8ulp_mrc[i].region_size);
val = 0;
for (j = 0U; j < DID_MAX; j++) {
val |= imx8ulp_mrc[i].dsel[j] << (3 * j);
}
xrdc_config_mrc_w2(imx8ulp_mrc[i].mrc_id, imx8ulp_mrc[i].region_id, val);
xrdc_config_mrc_w3_w4(imx8ulp_mrc[i].mrc_id, imx8ulp_mrc[i].region_id,
0, imx8ulp_mrc[i].accset[0] | (imx8ulp_mrc[i].accset[1] << 16) | BIT_32(31));
}
}
for (i = 0U; i < ARRAY_SIZE(imx8ulp_pdac); i++) {
if (check_func(PAC_TYPE, imx8ulp_pdac[i].pac_msc_id)) {
val = 0;
for (j = 0U; j < DID_MAX; j++) {
val |= imx8ulp_pdac[i].dsel[j] << (3 * j);
}
if (imx8ulp_pdac[i].slot_id == PAC_SLOT_ALL) {
/* Apply to all slots*/
for (j = 0U; j < imx8ulp_pac_slots[imx8ulp_pdac[i].pac_msc_id]; j++) {
xrdc_config_pac(imx8ulp_pdac[i].pac_msc_id, j, val);
}
} else {
if (imx8ulp_pdac[i].slot_id >= imx8ulp_pac_slots[imx8ulp_pdac[i].pac_msc_id]) {
return -EINVAL;
}
xrdc_config_pac(imx8ulp_pdac[i].pac_msc_id, imx8ulp_pdac[i].slot_id, val);
}
}
}
for (i = 0U; i < ARRAY_SIZE(imx8ulp_msc); i++) {
if (check_func(MSC_TYPE, imx8ulp_msc[i].pac_msc_id)) {
val = 0;
for (j = 0U; j < DID_MAX; j++) {
val |= imx8ulp_msc[i].dsel[j] << (3 * j);
}
if (imx8ulp_msc[i].slot_id == MSC_SLOT_ALL) {
/* Apply to all slots*/
for (j = 0U; j < imx8ulp_msc_slots[imx8ulp_msc[i].pac_msc_id]; j++) {
xrdc_config_msc(imx8ulp_msc[i].pac_msc_id, j, val);
}
} else {
if (imx8ulp_msc[i].slot_id >= imx8ulp_msc_slots[imx8ulp_msc[i].pac_msc_id]) {
return -EINVAL;
}
xrdc_config_msc(imx8ulp_msc[i].pac_msc_id, imx8ulp_msc[i].slot_id, val);
}
}
}
return 0;
}
int xrdc_apply_lpav_config(void)
{
/* Configure PAC2 to allow to access PCC5 */
xrdc_config_pac(2, 39, 0xe00000);
/* Enable the eDMA2 MP clock for MDA16 access */
mmio_write_32(IMX_PCC5_BASE + 0x0, 0xc0000000);
return xrdc_apply_config(xrdc_check_lpav);
}
int xrdc_apply_hifi_config(void)
{
return xrdc_apply_config(xrdc_check_hifi);
}
int xrdc_apply_apd_config(void)
{
return xrdc_apply_config(xrdc_check_ad);
}
void xrdc_enable(void)
{
mmio_write_32(XRDC_ADDR, BIT(14) | BIT(15) | BIT(0));
}