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arm-trusted-firmware/plat/hisilicon/hikey960/hikey960_bl_common.c
Leo Yan cfde1870ca hikey960: Enable system power off callback 
On Hikey960 if outputs GPIO176 low level, it can tell PMIC to power off
the whole board.  To avoid resetting the board and stay off, it also
requires the SW2201's three switches 1/2/3 need to be all set to 0.

Since current code doesn't contain complete GPIO modules and misses to
support GPIO176.  This patch adds all known GPIO modules and initialize
GPIO in BL31, and adds system power off callback to use GPIO176 for PMIC
power off operation.

Change-Id: Ia88859b8b7c87c061420ef75f0de3e2768667bb0
Signed-off-by: Leo Yan <leo.yan@linaro.org>
2020-03-02 22:34:21 +08:00

481 lines
13 KiB
C
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/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <common/debug.h>
#include <drivers/arm/pl061_gpio.h>
#include <drivers/delay_timer.h>
#include <lib/mmio.h>
#include <hi3660.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);
}
void hikey960_gpio_init(void)
{
pl061_gpio_init();
pl061_gpio_register(GPIO0_BASE, 0);
pl061_gpio_register(GPIO1_BASE, 1);
pl061_gpio_register(GPIO2_BASE, 2);
pl061_gpio_register(GPIO3_BASE, 3);
pl061_gpio_register(GPIO4_BASE, 4);
pl061_gpio_register(GPIO5_BASE, 5);
pl061_gpio_register(GPIO6_BASE, 6);
pl061_gpio_register(GPIO7_BASE, 7);
pl061_gpio_register(GPIO8_BASE, 8);
pl061_gpio_register(GPIO9_BASE, 9);
pl061_gpio_register(GPIO10_BASE, 10);
pl061_gpio_register(GPIO11_BASE, 11);
pl061_gpio_register(GPIO12_BASE, 12);
pl061_gpio_register(GPIO13_BASE, 13);
pl061_gpio_register(GPIO14_BASE, 14);
pl061_gpio_register(GPIO15_BASE, 15);
pl061_gpio_register(GPIO16_BASE, 16);
pl061_gpio_register(GPIO17_BASE, 17);
pl061_gpio_register(GPIO18_BASE, 18);
pl061_gpio_register(GPIO19_BASE, 19);
pl061_gpio_register(GPIO20_BASE, 20);
pl061_gpio_register(GPIO21_BASE, 21);
pl061_gpio_register(GPIO22_BASE, 22);
pl061_gpio_register(GPIO23_BASE, 23);
pl061_gpio_register(GPIO24_BASE, 24);
pl061_gpio_register(GPIO25_BASE, 25);
pl061_gpio_register(GPIO26_BASE, 26);
pl061_gpio_register(GPIO27_BASE, 27);
pl061_gpio_register(GPIO28_BASE, 28);
/* PCIE_PERST_N output low */
gpio_set_direction(89, GPIO_DIR_OUT);
gpio_set_value(89, GPIO_LEVEL_LOW);
}
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