blob: f192c1e0ec2118ea1c351d04ebc0e0dcdcd0562e [file] [log] [blame]
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <debug.h>
#include <delay_timer.h>
#include <hi3660.h>
#include <mmio.h>
#include "hikey960_private.h"
void hikey960_clk_init(void)
{
/* change ldi0 sel to ppll2 */
mmio_write_32(0xfff350b4, 0xf0002000);
/* ldi0 20' */
mmio_write_32(0xfff350bc, 0xfc004c00);
}
void hikey960_pmu_init(void)
{
/* clear np_xo_abb_dig_START bit in PMIC_CLK_TOP_CTRL7 register */
mmio_clrbits_32(PMU_SSI0_CLK_TOP_CTRL7_REG, NP_XO_ABB_DIG);
}
static void hikey960_enable_ppll3(void)
{
/* enable ppll3 */
mmio_write_32(PMC_PPLL3_CTRL0_REG, 0x4904305);
mmio_write_32(PMC_PPLL3_CTRL1_REG, 0x2300000);
mmio_write_32(PMC_PPLL3_CTRL1_REG, 0x6300000);
}
static void bus_idle_clear(unsigned int value)
{
unsigned int pmc_value, value1, value2;
int timeout = 100;
pmc_value = value << 16;
pmc_value &= ~value;
mmio_write_32(PMC_NOC_POWER_IDLEREQ_REG, pmc_value);
for (;;) {
value1 = (unsigned int)mmio_read_32(PMC_NOC_POWER_IDLEACK_REG);
value2 = (unsigned int)mmio_read_32(PMC_NOC_POWER_IDLE_REG);
if (((value1 & value) == 0) && ((value2 & value) == 0))
break;
udelay(1);
timeout--;
if (timeout <= 0) {
WARN("%s timeout\n", __func__);
break;
}
}
}
static void set_vivobus_power_up(void)
{
/* clk enable */
mmio_write_32(CRG_CLKDIV20_REG, 0x00020002);
mmio_write_32(CRG_PEREN0_REG, 0x00001000);
}
static void set_dss_power_up(void)
{
/* set edc0 133MHz = 1600MHz / 12 */
mmio_write_32(CRG_CLKDIV5_REG, 0x003f000b);
/* set ldi0 ppl0 */
mmio_write_32(CRG_CLKDIV3_REG, 0xf0001000);
/* set ldi0 133MHz, 1600MHz / 12 */
mmio_write_32(CRG_CLKDIV5_REG, 0xfc002c00);
/* mtcmos on */
mmio_write_32(CRG_PERPWREN_REG, 0x00000020);
udelay(100);
/* DISP CRG */
mmio_write_32(CRG_PERRSTDIS4_REG, 0x00000010);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x01400140);
mmio_write_32(CRG_PEREN0_REG, 0x00002000);
mmio_write_32(CRG_PEREN3_REG, 0x0003b000);
udelay(1);
/* clk disable */
mmio_write_32(CRG_PERDIS3_REG, 0x0003b000);
mmio_write_32(CRG_PERDIS0_REG, 0x00002000);
mmio_write_32(CRG_CLKDIV18_REG, 0x01400000);
udelay(1);
/* iso disable */
mmio_write_32(CRG_ISODIS_REG, 0x00000040);
/* unreset */
mmio_write_32(CRG_PERRSTDIS4_REG, 0x00000006);
mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000c00);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x01400140);
mmio_write_32(CRG_PEREN0_REG, 0x00002000);
mmio_write_32(CRG_PEREN3_REG, 0x0003b000);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_DSS);
/* set edc0 400MHz for 2K 1600MHz / 4 */
mmio_write_32(CRG_CLKDIV5_REG, 0x003f0003);
/* set ldi 266MHz, 1600MHz / 6 */
mmio_write_32(CRG_CLKDIV5_REG, 0xfc001400);
}
static void set_vcodec_power_up(void)
{
/* clk enable */
mmio_write_32(CRG_CLKDIV20_REG, 0x00040004);
mmio_write_32(CRG_PEREN0_REG, 0x00000060);
mmio_write_32(CRG_PEREN2_REG, 0x10000000);
/* unreset */
mmio_write_32(CRG_PERRSTDIS0_REG, 0x00000018);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VCODEC);
}
static void set_vdec_power_up(void)
{
/* mtcmos on */
mmio_write_32(CRG_PERPWREN_REG, 0x00000004);
udelay(100);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x80008000);
mmio_write_32(CRG_PEREN2_REG, 0x20080000);
mmio_write_32(CRG_PEREN3_REG, 0x00000800);
udelay(1);
/* clk disable */
mmio_write_32(CRG_PERDIS3_REG, 0x00000800);
mmio_write_32(CRG_PERDIS2_REG, 0x20080000);
mmio_write_32(CRG_CLKDIV18_REG, 0x80000000);
udelay(1);
/* iso disable */
mmio_write_32(CRG_ISODIS_REG, 0x00000004);
/* unreset */
mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000200);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x80008000);
mmio_write_32(CRG_PEREN2_REG, 0x20080000);
mmio_write_32(CRG_PEREN3_REG, 0x00000800);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VDEC);
}
static void set_venc_power_up(void)
{
/* set venc ppll3 */
mmio_write_32(CRG_CLKDIV8_REG, 0x18001000);
/* set venc 258MHz, 1290MHz / 5 */
mmio_write_32(CRG_CLKDIV8_REG, 0x07c00100);
/* mtcmos on */
mmio_write_32(CRG_PERPWREN_REG, 0x00000002);
udelay(100);
/* clk enable */
mmio_write_32(CRG_CLKDIV19_REG, 0x00010001);
mmio_write_32(CRG_PEREN2_REG, 0x40000100);
mmio_write_32(CRG_PEREN3_REG, 0x00000400);
udelay(1);
/* clk disable */
mmio_write_32(CRG_PERDIS3_REG, 0x00000400);
mmio_write_32(CRG_PERDIS2_REG, 0x40000100);
mmio_write_32(CRG_CLKDIV19_REG, 0x00010000);
udelay(1);
/* iso disable */
mmio_write_32(CRG_ISODIS_REG, 0x00000002);
/* unreset */
mmio_write_32(CRG_PERRSTDIS3_REG, 0x00000100);
/* clk enable */
mmio_write_32(CRG_CLKDIV19_REG, 0x00010001);
mmio_write_32(CRG_PEREN2_REG, 0x40000100);
mmio_write_32(CRG_PEREN3_REG, 0x00000400);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_VENC);
/* set venc 645MHz, 1290MHz / 2 */
mmio_write_32(CRG_CLKDIV8_REG, 0x07c00040);
}
static void set_isp_power_up(void)
{
/* mtcmos on */
mmio_write_32(CRG_PERPWREN_REG, 0x00000001);
udelay(100);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x70007000);
mmio_write_32(CRG_CLKDIV20_REG, 0x00100010);
mmio_write_32(CRG_PEREN5_REG, 0x01000010);
mmio_write_32(CRG_PEREN3_REG, 0x0bf00000);
udelay(1);
/* clk disable */
mmio_write_32(CRG_PERDIS5_REG, 0x01000010);
mmio_write_32(CRG_PERDIS3_REG, 0x0bf00000);
mmio_write_32(CRG_CLKDIV18_REG, 0x70000000);
mmio_write_32(CRG_CLKDIV20_REG, 0x00100000);
udelay(1);
/* iso disable */
mmio_write_32(CRG_ISODIS_REG, 0x00000001);
/* unreset */
mmio_write_32(CRG_ISP_SEC_RSTDIS_REG, 0x0000002f);
/* clk enable */
mmio_write_32(CRG_CLKDIV18_REG, 0x70007000);
mmio_write_32(CRG_CLKDIV20_REG, 0x00100010);
mmio_write_32(CRG_PEREN5_REG, 0x01000010);
mmio_write_32(CRG_PEREN3_REG, 0x0bf00000);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_ISP);
/* csi clk enable */
mmio_write_32(CRG_PEREN3_REG, 0x00700000);
}
static void set_ivp_power_up(void)
{
/* set ivp ppll0 */
mmio_write_32(CRG_CLKDIV0_REG, 0xc0000000);
/* set ivp 267MHz, 1600MHz / 6 */
mmio_write_32(CRG_CLKDIV0_REG, 0x3c001400);
/* mtcmos on */
mmio_write_32(CRG_PERPWREN_REG, 0x00200000);
udelay(100);
/* IVP CRG unreset */
mmio_write_32(CRG_IVP_SEC_RSTDIS_REG, 0x00000001);
/* clk enable */
mmio_write_32(CRG_CLKDIV20_REG, 0x02000200);
mmio_write_32(CRG_PEREN4_REG, 0x000000a8);
udelay(1);
/* clk disable */
mmio_write_32(CRG_PERDIS4_REG, 0x000000a8);
mmio_write_32(CRG_CLKDIV20_REG, 0x02000000);
udelay(1);
/* iso disable */
mmio_write_32(CRG_ISODIS_REG, 0x01000000);
/* unreset */
mmio_write_32(CRG_IVP_SEC_RSTDIS_REG, 0x00000002);
/* clk enable */
mmio_write_32(CRG_CLKDIV20_REG, 0x02000200);
mmio_write_32(CRG_PEREN4_REG, 0x000000a8);
/* bus idle clear */
bus_idle_clear(PMC_NOC_POWER_IDLEREQ_IVP);
/* set ivp 533MHz, 1600MHz / 3 */
mmio_write_32(CRG_CLKDIV0_REG, 0x3c000800);
}
static void set_audio_power_up(void)
{
unsigned int ret;
int timeout = 100;
/* mtcmos on */
mmio_write_32(SCTRL_SCPWREN_REG, 0x00000001);
udelay(100);
/* clk enable */
mmio_write_32(CRG_CLKDIV19_REG, 0x80108010);
mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010001);
mmio_write_32(SCTRL_SCPEREN0_REG, 0x0c000000);
mmio_write_32(CRG_PEREN0_REG, 0x04000000);
mmio_write_32(CRG_PEREN5_REG, 0x00000080);
mmio_write_32(SCTRL_SCPEREN1_REG, 0x0000000f);
udelay(1);
/* clk disable */
mmio_write_32(SCTRL_SCPERDIS1_REG, 0x0000000f);
mmio_write_32(SCTRL_SCPERDIS0_REG, 0x0c000000);
mmio_write_32(CRG_PERDIS5_REG, 0x00000080);
mmio_write_32(CRG_PERDIS0_REG, 0x04000000);
mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010000);
mmio_write_32(CRG_CLKDIV19_REG, 0x80100000);
udelay(1);
/* iso disable */
mmio_write_32(SCTRL_SCISODIS_REG, 0x00000001);
udelay(1);
/* unreset */
mmio_write_32(SCTRL_PERRSTDIS1_SEC_REG, 0x00000001);
mmio_write_32(SCTRL_SCPERRSTDIS0_REG, 0x00000780);
/* clk enable */
mmio_write_32(CRG_CLKDIV19_REG, 0x80108010);
mmio_write_32(SCTRL_SCCLKDIV2_REG, 0x00010001);
mmio_write_32(SCTRL_SCPEREN0_REG, 0x0c000000);
mmio_write_32(CRG_PEREN0_REG, 0x04000000);
mmio_write_32(CRG_PEREN5_REG, 0x00000080);
mmio_write_32(SCTRL_SCPEREN1_REG, 0x0000000f);
/* bus idle clear */
mmio_write_32(SCTRL_SCPERCTRL7_REG, 0x00040000);
for (;;) {
ret = mmio_read_32(SCTRL_SCPERSTAT6_REG);
if (((ret & (1 << 5)) == 0) && ((ret & (1 << 8)) == 0))
break;
udelay(1);
timeout--;
if (timeout <= 0) {
WARN("%s timeout\n", __func__);
break;
}
}
mmio_write_32(ASP_CFG_MMBUF_CTRL_REG, 0x00ff0000);
}
static void set_pcie_power_up(void)
{
/* mtcmos on */
mmio_write_32(SCTRL_SCPWREN_REG, 0x00000010);
udelay(100);
/* clk enable */
mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000800);
mmio_write_32(SCTRL_SCPEREN2_REG, 0x00104000);
mmio_write_32(CRG_PEREN7_REG, 0x000003a0);
udelay(1);
/* clk disable */
mmio_write_32(SCTRL_SCPERDIS2_REG, 0x00104000);
mmio_write_32(CRG_PERDIS7_REG, 0x000003a0);
mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000000);
udelay(1);
/* iso disable */
mmio_write_32(SCTRL_SCISODIS_REG, 0x00000030);
/* unreset */
mmio_write_32(CRG_PERRSTDIS3_REG, 0x8c000000);
/* clk enable */
mmio_write_32(SCTRL_SCCLKDIV6_REG, 0x08000800);
mmio_write_32(SCTRL_SCPEREN2_REG, 0x00104000);
mmio_write_32(CRG_PEREN7_REG, 0x000003a0);
}
static void ispfunc_enable(void)
{
/* enable ispfunc. Otherwise powerup isp_srt causes exception. */
mmio_write_32(0xfff35000, 0x00000008);
mmio_write_32(0xfff35460, 0xc004ffff);
mmio_write_32(0xfff35030, 0x02000000);
mdelay(10);
}
static void isps_control_clock(int flag)
{
unsigned int ret;
/* flag: 0 -- disable clock, 1 -- enable clock */
if (flag) {
ret = mmio_read_32(0xe8420364);
ret |= 1;
mmio_write_32(0xe8420364, ret);
} else {
ret = mmio_read_32(0xe8420364);
ret &= ~1;
mmio_write_32(0xe8420364, ret);
}
}
static void set_isp_srt_power_up(void)
{
unsigned int ret;
ispfunc_enable();
/* reset */
mmio_write_32(0xe8420374, 0x00000001);
mmio_write_32(0xe8420350, 0x00000000);
mmio_write_32(0xe8420358, 0x00000000);
/* mtcmos on */
mmio_write_32(0xfff35150, 0x00400000);
udelay(100);
/* clk enable */
isps_control_clock(1);
udelay(1);
isps_control_clock(0);
udelay(1);
/* iso disable */
mmio_write_32(0xfff35148, 0x08000000);
/* unreset */
ret = mmio_read_32(0xe8420374);
ret &= ~0x1;
mmio_write_32(0xe8420374, ret);
/* clk enable */
isps_control_clock(1);
/* enable clock gating for accessing csi registers */
mmio_write_32(0xe8420010, ~0);
}
void hikey960_regulator_enable(void)
{
set_vivobus_power_up();
hikey960_enable_ppll3();
set_dss_power_up();
set_vcodec_power_up();
set_vdec_power_up();
set_venc_power_up();
set_isp_power_up();
set_ivp_power_up();
set_audio_power_up();
set_pcie_power_up();
set_isp_srt_power_up();
/* set ISP_CORE_CTRL_S to unsecure mode */
mmio_write_32(0xe8583800, 0x7);
/* set ISP_SUB_CTRL_S to unsecure mode */
mmio_write_32(0xe8583804, 0xf);
}
void hikey960_tzc_init(void)
{
mmio_write_32(TZC_EN0_REG, 0x7fbff066);
mmio_write_32(TZC_EN1_REG, 0xfffff5fc);
mmio_write_32(TZC_EN2_REG, 0x0007005c);
mmio_write_32(TZC_EN3_REG, 0x37030700);
mmio_write_32(TZC_EN4_REG, 0xf63fefae);
mmio_write_32(TZC_EN5_REG, 0x000410fd);
mmio_write_32(TZC_EN6_REG, 0x0063ff68);
mmio_write_32(TZC_EN7_REG, 0x030000f3);
mmio_write_32(TZC_EN8_REG, 0x00000007);
}
void hikey960_peri_init(void)
{
/* unreset */
mmio_setbits_32(CRG_PERRSTDIS4_REG, 1);
}
void hikey960_pinmux_init(void)
{
unsigned int id;
hikey960_read_boardid(&id);
if (id == 5301) {
/* hikey960 hardware v2 */
/* GPIO150: LED */
mmio_write_32(IOMG_FIX_006_REG, 0);
/* GPIO151: LED */
mmio_write_32(IOMG_FIX_007_REG, 0);
/* GPIO189: LED */
mmio_write_32(IOMG_AO_011_REG, 0);
/* GPIO190: LED */
mmio_write_32(IOMG_AO_012_REG, 0);
/* GPIO46 */
mmio_write_32(IOMG_044_REG, 0);
/* GPIO202 */
mmio_write_32(IOMG_AO_023_REG, 0);
/* GPIO206 */
mmio_write_32(IOMG_AO_026_REG, 0);
/* GPIO219 - PD pullup */
mmio_write_32(IOMG_AO_039_REG, 0);
mmio_write_32(IOCG_AO_043_REG, 1 << 0);
}
/* GPIO005 - PMU SSI, 10mA */
mmio_write_32(IOCG_006_REG, 2 << 4);
/* GPIO213 - PCIE_CLKREQ_N */
mmio_write_32(IOMG_AO_033_REG, 1);
}