diff options
Diffstat (limited to 'plat/rockchip/rk3328/drivers')
| -rw-r--r-- | plat/rockchip/rk3328/drivers/pmu/plat_pmu_macros.S | 21 | ||||
| -rw-r--r-- | plat/rockchip/rk3328/drivers/pmu/pmu.c | 667 | ||||
| -rw-r--r-- | plat/rockchip/rk3328/drivers/pmu/pmu.h | 129 | ||||
| -rw-r--r-- | plat/rockchip/rk3328/drivers/soc/soc.c | 158 | ||||
| -rw-r--r-- | plat/rockchip/rk3328/drivers/soc/soc.h | 111 |
5 files changed, 1086 insertions, 0 deletions
diff --git a/plat/rockchip/rk3328/drivers/pmu/plat_pmu_macros.S b/plat/rockchip/rk3328/drivers/pmu/plat_pmu_macros.S new file mode 100644 index 0000000..cd604d2 --- /dev/null +++ b/plat/rockchip/rk3328/drivers/pmu/plat_pmu_macros.S @@ -0,0 +1,21 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch.h> +#include <asm_macros.S> +#include <platform_def.h> + +.globl clst_warmboot_data + +.macro func_rockchip_clst_warmboot +.endm + +.macro rockchip_clst_warmboot_data +clst_warmboot_data: + .rept PLATFORM_CLUSTER_COUNT + .word 0 + .endr +.endm diff --git a/plat/rockchip/rk3328/drivers/pmu/pmu.c b/plat/rockchip/rk3328/drivers/pmu/pmu.c new file mode 100644 index 0000000..a17fef9 --- /dev/null +++ b/plat/rockchip/rk3328/drivers/pmu/pmu.c @@ -0,0 +1,667 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> +#include <errno.h> + +#include <platform_def.h> + +#include <arch_helpers.h> +#include <bl31/bl31.h> +#include <common/debug.h> +#include <drivers/console.h> +#include <drivers/delay_timer.h> +#include <lib/bakery_lock.h> +#include <lib/mmio.h> +#include <plat/common/platform.h> + +#include <plat_private.h> +#include <pmu.h> +#include <pmu_com.h> +#include <rk3328_def.h> + +DEFINE_BAKERY_LOCK(rockchip_pd_lock); + +static struct rk3328_sleep_ddr_data ddr_data; +static __sramdata struct rk3328_sleep_sram_data sram_data; + +static uint32_t cpu_warm_boot_addr; + +#pragma weak rk3328_pmic_suspend +#pragma weak rk3328_pmic_resume + +static inline uint32_t get_cpus_pwr_domain_cfg_info(uint32_t cpu_id) +{ + uint32_t pd_reg, apm_reg; + + pd_reg = mmio_read_32(PMU_BASE + PMU_PWRDN_CON) & BIT(cpu_id); + apm_reg = mmio_read_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id)) & + BIT(core_pm_en); + + if (pd_reg && !apm_reg) + return core_pwr_pd; + else if (!pd_reg && apm_reg) + return core_pwr_wfi; + + ERROR("%s: 0x%x, 0x%x\n", __func__, pd_reg, apm_reg); + while (1) + ; +} + +static int cpus_power_domain_on(uint32_t cpu_id) +{ + uint32_t cpu_pd, cfg_info; + + cpu_pd = PD_CPU0 + cpu_id; + cfg_info = get_cpus_pwr_domain_cfg_info(cpu_id); + + if (cfg_info == core_pwr_pd) { + /* disable apm cfg */ + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), + CORES_PM_DISABLE); + + /* if the cores have be on, power off it firstly */ + if (pmu_power_domain_st(cpu_pd) == pmu_pd_on) { + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), + CORES_PM_DISABLE); + pmu_power_domain_ctr(cpu_pd, pmu_pd_off); + } + pmu_power_domain_ctr(cpu_pd, pmu_pd_on); + } else { + if (pmu_power_domain_st(cpu_pd) == pmu_pd_on) { + WARN("%s: cpu%d is not in off,!\n", __func__, cpu_id); + return -EINVAL; + } + + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), + BIT(core_pm_sft_wakeup_en)); + } + + return 0; +} + +static int cpus_power_domain_off(uint32_t cpu_id, uint32_t pd_cfg) +{ + uint32_t cpu_pd, core_pm_value; + + cpu_pd = PD_CPU0 + cpu_id; + if (pmu_power_domain_st(cpu_pd) == pmu_pd_off) + return 0; + + if (pd_cfg == core_pwr_pd) { + if (check_cpu_wfie(cpu_id, CKECK_WFEI_MSK)) + return -EINVAL; + /* disable apm cfg */ + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), + CORES_PM_DISABLE); + pmu_power_domain_ctr(cpu_pd, pmu_pd_off); + } else { + core_pm_value = BIT(core_pm_en) | BIT(core_pm_dis_int); + if (pd_cfg == core_pwr_wfi_int) + core_pm_value |= BIT(core_pm_int_wakeup_en); + + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), + core_pm_value); + } + + return 0; +} + +static void nonboot_cpus_off(void) +{ + uint32_t boot_cpu, cpu; + + /* turn off noboot cpus */ + boot_cpu = plat_my_core_pos(); + for (cpu = 0; cpu < PLATFORM_CORE_COUNT; cpu++) { + if (cpu == boot_cpu) + continue; + cpus_power_domain_off(cpu, core_pwr_pd); + } +} + +void sram_save(void) +{ + /* TODO: support the sdram save for rk3328 SoCs*/ +} + +void sram_restore(void) +{ + /* TODO: support the sdram restore for rk3328 SoCs */ +} + +int rockchip_soc_cores_pwr_dm_on(unsigned long mpidr, uint64_t entrypoint) +{ + uint32_t cpu_id = plat_core_pos_by_mpidr(mpidr); + + assert(cpu_id < PLATFORM_CORE_COUNT); + assert(cpuson_flags[cpu_id] == 0); + cpuson_flags[cpu_id] = PMU_CPU_HOTPLUG; + cpuson_entry_point[cpu_id] = entrypoint; + dsb(); + + cpus_power_domain_on(cpu_id); + + return 0; +} + +int rockchip_soc_cores_pwr_dm_off(void) +{ + uint32_t cpu_id = plat_my_core_pos(); + + cpus_power_domain_off(cpu_id, core_pwr_wfi); + + return 0; +} + +int rockchip_soc_cores_pwr_dm_suspend(void) +{ + uint32_t cpu_id = plat_my_core_pos(); + + assert(cpu_id < PLATFORM_CORE_COUNT); + assert(cpuson_flags[cpu_id] == 0); + cpuson_flags[cpu_id] = PMU_CPU_AUTO_PWRDN; + cpuson_entry_point[cpu_id] = (uintptr_t)plat_get_sec_entrypoint(); + dsb(); + + cpus_power_domain_off(cpu_id, core_pwr_wfi_int); + + return 0; +} + +int rockchip_soc_cores_pwr_dm_on_finish(void) +{ + uint32_t cpu_id = plat_my_core_pos(); + + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), CORES_PM_DISABLE); + + return 0; +} + +int rockchip_soc_cores_pwr_dm_resume(void) +{ + uint32_t cpu_id = plat_my_core_pos(); + + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(cpu_id), CORES_PM_DISABLE); + + return 0; +} + +void __dead2 rockchip_soc_soft_reset(void) +{ + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(CPLL_ID)); + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(GPLL_ID)); + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(NPLL_ID)); + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(APLL_ID)); + dsb(); + + mmio_write_32(CRU_BASE + CRU_GLB_SRST_FST, CRU_GLB_SRST_FST_VALUE); + dsb(); + /* + * Maybe the HW needs some times to reset the system, + * so we do not hope the core to excute valid codes. + */ + while (1) + ; +} + +/* + * For PMIC RK805, its sleep pin is connect with gpio2_d2 from rk3328. + * If the PMIC is configed for responding the sleep pin to power off it, + * once the pin is output high, it will get the pmic power off. + */ +void __dead2 rockchip_soc_system_off(void) +{ + uint32_t val; + + /* gpio config */ + val = mmio_read_32(GRF_BASE + GRF_GPIO2D_IOMUX); + val &= ~GPIO2_D2_GPIO_MODE; + mmio_write_32(GRF_BASE + GRF_GPIO2D_IOMUX, val); + + /* config output */ + val = mmio_read_32(GPIO2_BASE + SWPORTA_DDR); + val |= GPIO2_D2; + mmio_write_32(GPIO2_BASE + SWPORTA_DDR, val); + + /* config output high level */ + val = mmio_read_32(GPIO2_BASE); + val |= GPIO2_D2; + mmio_write_32(GPIO2_BASE, val); + dsb(); + + while (1) + ; +} + +static uint32_t clk_ungt_msk[CRU_CLKGATE_NUMS] = { + 0x187f, 0x0000, 0x010c, 0x0000, 0x0200, + 0x0010, 0x0000, 0x0017, 0x001f, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0003, 0x0000, + 0xf001, 0x27c0, 0x04D9, 0x03ff, 0x0000, + 0x0000, 0x0000, 0x0010, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0003, 0x0008 +}; + +static void clks_gating_suspend(uint32_t *ungt_msk) +{ + int i; + + for (i = 0; i < CRU_CLKGATE_NUMS; i++) { + ddr_data.clk_ungt_save[i] = + mmio_read_32(CRU_BASE + CRU_CLKGATE_CON(i)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(i), + ((~ungt_msk[i]) << 16) | 0xffff); + } +} + +static void clks_gating_resume(void) +{ + int i; + + for (i = 0; i < CRU_CLKGATE_NUMS; i++) + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(i), + ddr_data.clk_ungt_save[i] | 0xffff0000); +} + +static inline void pm_pll_wait_lock(uint32_t pll_id) +{ + uint32_t delay = PLL_LOCKED_TIMEOUT; + + while (delay > 0) { + if (mmio_read_32(CRU_BASE + PLL_CONS(pll_id, 1)) & + PLL_IS_LOCKED) + break; + delay--; + } + if (delay == 0) + ERROR("lock-pll: %d\n", pll_id); +} + +static inline void pll_pwr_dwn(uint32_t pll_id, uint32_t pd) +{ + mmio_write_32(CRU_BASE + PLL_CONS(pll_id, 1), + BITS_WITH_WMASK(1U, 1U, 15)); + if (pd) + mmio_write_32(CRU_BASE + PLL_CONS(pll_id, 1), + BITS_WITH_WMASK(1, 1, 14)); + else + mmio_write_32(CRU_BASE + PLL_CONS(pll_id, 1), + BITS_WITH_WMASK(0, 1, 14)); +} + +static __sramfunc void dpll_suspend(void) +{ + int i; + + /* slow mode */ + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(DPLL_ID)); + + /* save pll con */ + for (i = 0; i < CRU_PLL_CON_NUMS; i++) + sram_data.dpll_con_save[i] = + mmio_read_32(CRU_BASE + PLL_CONS(DPLL_ID, i)); + mmio_write_32(CRU_BASE + PLL_CONS(DPLL_ID, 1), + BITS_WITH_WMASK(1U, 1U, 15)); + mmio_write_32(CRU_BASE + PLL_CONS(DPLL_ID, 1), + BITS_WITH_WMASK(1, 1, 14)); +} + +static __sramfunc void dpll_resume(void) +{ + uint32_t delay = PLL_LOCKED_TIMEOUT; + + mmio_write_32(CRU_BASE + PLL_CONS(DPLL_ID, 1), + BITS_WITH_WMASK(1U, 1U, 15)); + mmio_write_32(CRU_BASE + PLL_CONS(DPLL_ID, 1), + BITS_WITH_WMASK(0, 1, 14)); + mmio_write_32(CRU_BASE + PLL_CONS(DPLL_ID, 1), + sram_data.dpll_con_save[1] | 0xc0000000); + + dsb(); + + while (delay > 0) { + if (mmio_read_32(CRU_BASE + PLL_CONS(DPLL_ID, 1)) & + PLL_IS_LOCKED) + break; + delay--; + } + if (delay == 0) + while (1) + ; + + mmio_write_32(CRU_BASE + CRU_CRU_MODE, + PLL_NORM_MODE(DPLL_ID)); +} + +static inline void pll_suspend(uint32_t pll_id) +{ + int i; + + /* slow mode */ + mmio_write_32(CRU_BASE + CRU_CRU_MODE, PLL_SLOW_MODE(pll_id)); + + /* save pll con */ + for (i = 0; i < CRU_PLL_CON_NUMS; i++) + ddr_data.cru_plls_con_save[pll_id][i] = + mmio_read_32(CRU_BASE + PLL_CONS(pll_id, i)); + + /* powerdown pll */ + pll_pwr_dwn(pll_id, pmu_pd_off); +} + +static inline void pll_resume(uint32_t pll_id) +{ + mmio_write_32(CRU_BASE + PLL_CONS(pll_id, 1), + ddr_data.cru_plls_con_save[pll_id][1] | 0xc0000000); + + pm_pll_wait_lock(pll_id); + + if (PLL_IS_NORM_MODE(ddr_data.cru_mode_save, pll_id)) + mmio_write_32(CRU_BASE + CRU_CRU_MODE, + PLL_NORM_MODE(pll_id)); +} + +static void pm_plls_suspend(void) +{ + ddr_data.cru_mode_save = mmio_read_32(CRU_BASE + CRU_CRU_MODE); + ddr_data.clk_sel0 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(0)); + ddr_data.clk_sel1 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(1)); + ddr_data.clk_sel18 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(18)); + ddr_data.clk_sel20 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(20)); + ddr_data.clk_sel24 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(24)); + ddr_data.clk_sel38 = mmio_read_32(CRU_BASE + CRU_CLKSEL_CON(38)); + pll_suspend(NPLL_ID); + pll_suspend(CPLL_ID); + pll_suspend(GPLL_ID); + pll_suspend(APLL_ID); + + /* core */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(0), + BITS_WITH_WMASK(0, 0x1f, 0)); + + /* pclk_dbg */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(1), + BITS_WITH_WMASK(0, 0xf, 0)); + + /* crypto */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(20), + BITS_WITH_WMASK(0, 0x1f, 0)); + + /* pwm0 */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(24), + BITS_WITH_WMASK(0, 0x7f, 8)); + + /* uart2 from 24M */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(18), + BITS_WITH_WMASK(2, 0x3, 8)); + + /* clk_rtc32k */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(38), + BITS_WITH_WMASK(767, 0x3fff, 0) | + BITS_WITH_WMASK(2U, 0x3u, 14)); +} + +static void pm_plls_resume(void) +{ + /* clk_rtc32k */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(38), + ddr_data.clk_sel38 | + BITS_WMSK(0x3fff, 0) | + BITS_WMSK(0x3u, 14)); + + /* uart2 */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(18), + ddr_data.clk_sel18 | BITS_WMSK(0x3, 8)); + + /* pwm0 */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(24), + ddr_data.clk_sel24 | BITS_WMSK(0x7f, 8)); + + /* crypto */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(20), + ddr_data.clk_sel20 | BITS_WMSK(0x1f, 0)); + + /* pclk_dbg */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(1), + ddr_data.clk_sel1 | BITS_WMSK(0xf, 0)); + + /* core */ + mmio_write_32(CRU_BASE + CRU_CLKSEL_CON(0), + ddr_data.clk_sel0 | BITS_WMSK(0x1f, 0)); + + pll_pwr_dwn(APLL_ID, pmu_pd_on); + pll_pwr_dwn(GPLL_ID, pmu_pd_on); + pll_pwr_dwn(CPLL_ID, pmu_pd_on); + pll_pwr_dwn(NPLL_ID, pmu_pd_on); + + pll_resume(APLL_ID); + pll_resume(GPLL_ID); + pll_resume(CPLL_ID); + pll_resume(NPLL_ID); +} + +#define ARCH_TIMER_TICKS_PER_US (SYS_COUNTER_FREQ_IN_TICKS / 1000000) + +static __sramfunc void sram_udelay(uint32_t us) +{ + uint64_t pct_orig, pct_now; + uint64_t to_wait = ARCH_TIMER_TICKS_PER_US * us; + + isb(); + pct_orig = read_cntpct_el0(); + + do { + isb(); + pct_now = read_cntpct_el0(); + } while ((pct_now - pct_orig) <= to_wait); +} + +/* + * For PMIC RK805, its sleep pin is connect with gpio2_d2 from rk3328. + * If the PMIC is configed for responding the sleep pin + * to get it into sleep mode, + * once the pin is output high, it will get the pmic into sleep mode. + */ +__sramfunc void rk3328_pmic_suspend(void) +{ + sram_data.pmic_sleep_save = mmio_read_32(GRF_BASE + PMIC_SLEEP_REG); + sram_data.pmic_sleep_gpio_save[1] = mmio_read_32(GPIO2_BASE + 4); + sram_data.pmic_sleep_gpio_save[0] = mmio_read_32(GPIO2_BASE); + mmio_write_32(GRF_BASE + PMIC_SLEEP_REG, BITS_WITH_WMASK(0, 0x3, 4)); + mmio_write_32(GPIO2_BASE + 4, + sram_data.pmic_sleep_gpio_save[1] | BIT(26)); + mmio_write_32(GPIO2_BASE, + sram_data.pmic_sleep_gpio_save[0] | BIT(26)); +} + +__sramfunc void rk3328_pmic_resume(void) +{ + mmio_write_32(GPIO2_BASE, sram_data.pmic_sleep_gpio_save[0]); + mmio_write_32(GPIO2_BASE + 4, sram_data.pmic_sleep_gpio_save[1]); + mmio_write_32(GRF_BASE + PMIC_SLEEP_REG, + sram_data.pmic_sleep_save | BITS_WMSK(0xffffu, 0)); + /* Resuming volt need a lot of time */ + sram_udelay(100); +} + +static __sramfunc void ddr_suspend(void) +{ + sram_data.pd_sr_idle_save = mmio_read_32(DDR_UPCTL_BASE + + DDR_PCTL2_PWRCTL); + sram_data.pd_sr_idle_save &= SELFREF_EN; + + mmio_clrbits_32(DDR_UPCTL_BASE + DDR_PCTL2_PWRCTL, SELFREF_EN); + sram_data.ddr_grf_con0 = mmio_read_32(DDR_GRF_BASE + + DDRGRF_SOC_CON(0)); + mmio_write_32(DDR_GRF_BASE, BIT_WITH_WMSK(14) | WMSK_BIT(15)); + + /* + * Override csysreq from ddrc and + * send valid csysreq signal to PMU, + * csysreq is controlled by ddrc only + */ + + /* in self-refresh */ + mmio_setbits_32(PMU_BASE + PMU_SFT_CON, BIT(0)); + while ((mmio_read_32(DDR_GRF_BASE + DDRGRF_SOC_STATUS(1)) & + (0x03 << 12)) != (0x02 << 12)) + ; + /* ddr retention */ + mmio_setbits_32(PMU_BASE + PMU_SFT_CON, BIT(2)); + + /* ddr gating */ + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(0), + BITS_WITH_WMASK(0x7, 0x7, 4)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(7), + BITS_WITH_WMASK(1, 1, 4)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(18), + BITS_WITH_WMASK(0x1ff, 0x1ff, 1)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(27), + BITS_WITH_WMASK(0x3, 0x3, 0)); + + dpll_suspend(); +} + +__sramfunc void dmc_restore(void) +{ + dpll_resume(); + + /* ddr gating */ + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(0), + BITS_WITH_WMASK(0, 0x7, 4)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(7), + BITS_WITH_WMASK(0, 1, 4)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(18), + BITS_WITH_WMASK(0, 0x1ff, 1)); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(27), + BITS_WITH_WMASK(0, 0x3, 0)); + + /* ddr de_retention */ + mmio_clrbits_32(PMU_BASE + PMU_SFT_CON, BIT(2)); + /* exit self-refresh */ + mmio_clrbits_32(PMU_BASE + PMU_SFT_CON, BIT(0)); + while ((mmio_read_32(DDR_GRF_BASE + DDRGRF_SOC_STATUS(1)) & + (0x03 << 12)) != (0x00 << 12)) + ; + + mmio_write_32(DDR_GRF_BASE, sram_data.ddr_grf_con0 | 0xc0000000); + if (sram_data.pd_sr_idle_save) + mmio_setbits_32(DDR_UPCTL_BASE + DDR_PCTL2_PWRCTL, + SELFREF_EN); +} + +static __sramfunc void sram_dbg_uart_suspend(void) +{ + sram_data.uart2_ier = mmio_read_32(UART2_BASE + UART_IER); + mmio_write_32(UART2_BASE + UART_IER, UART_INT_DISABLE); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(16), 0x20002000); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(2), 0x00040004); +} + +__sramfunc void sram_dbg_uart_resume(void) +{ + /* restore uart clk and reset fifo */ + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(16), 0x20000000); + mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(2), 0x00040000); + mmio_write_32(UART2_BASE + UART_FCR, UART_FIFO_RESET); + mmio_write_32(UART2_BASE + UART_IER, sram_data.uart2_ier); +} + +static __sramfunc void sram_soc_enter_lp(void) +{ + uint32_t apm_value; + + apm_value = BIT(core_pm_en) | + BIT(core_pm_dis_int) | + BIT(core_pm_int_wakeup_en); + mmio_write_32(PMU_BASE + PMU_CPUAPM_CON(PD_CPU0), apm_value); + + dsb(); + isb(); +err_loop: + wfi(); + /* + *Soc will enter low power mode and + *do not return to here. + */ + goto err_loop; +} + +__sramfunc void sram_suspend(void) +{ + /* disable mmu and icache */ + disable_mmu_icache_el3(); + tlbialle3(); + dsbsy(); + isb(); + + mmio_write_32(SGRF_BASE + SGRF_SOC_CON(1), + ((uintptr_t)&pmu_cpuson_entrypoint >> CPU_BOOT_ADDR_ALIGN) | + CPU_BOOT_ADDR_WMASK); + + /* ddr self-refresh and gating phy */ + ddr_suspend(); + + rk3328_pmic_suspend(); + + sram_dbg_uart_suspend(); + + sram_soc_enter_lp(); +} + +void __dead2 rockchip_soc_sys_pd_pwr_dn_wfi(void) +{ + sram_suspend(); + + /* should never reach here */ + psci_power_down_wfi(); +} + +int rockchip_soc_sys_pwr_dm_suspend(void) +{ + clks_gating_suspend(clk_ungt_msk); + + pm_plls_suspend(); + + return 0; +} + +int rockchip_soc_sys_pwr_dm_resume(void) +{ + pm_plls_resume(); + + clks_gating_resume(); + + plat_rockchip_gic_cpuif_enable(); + + return 0; +} + +void rockchip_plat_mmu_el3(void) +{ + /* TODO: support the el3 for rk3328 SoCs */ +} + +void plat_rockchip_pmu_init(void) +{ + uint32_t cpu; + + for (cpu = 0; cpu < PLATFORM_CORE_COUNT; cpu++) + cpuson_flags[cpu] = 0; + + cpu_warm_boot_addr = (uint64_t)platform_cpu_warmboot; + + /* the warm booting address of cpus */ + mmio_write_32(SGRF_BASE + SGRF_SOC_CON(1), + (cpu_warm_boot_addr >> CPU_BOOT_ADDR_ALIGN) | + CPU_BOOT_ADDR_WMASK); + + nonboot_cpus_off(); + + INFO("%s: pd status 0x%x\n", + __func__, mmio_read_32(PMU_BASE + PMU_PWRDN_ST)); +} diff --git a/plat/rockchip/rk3328/drivers/pmu/pmu.h b/plat/rockchip/rk3328/drivers/pmu/pmu.h new file mode 100644 index 0000000..dfb8912 --- /dev/null +++ b/plat/rockchip/rk3328/drivers/pmu/pmu.h @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef PMU_H +#define PMU_H + +#include <soc.h> + +struct rk3328_sleep_ddr_data { + uint32_t pmu_debug_enable; + uint32_t debug_iomux_save; + uint32_t pmic_sleep_save; + uint32_t pmu_wakeup_conf0; + uint32_t pmu_pwrmd_com; + uint32_t cru_mode_save; + uint32_t clk_sel0, clk_sel1, clk_sel18, + clk_sel20, clk_sel24, clk_sel38; + uint32_t clk_ungt_save[CRU_CLKGATE_NUMS]; + uint32_t cru_plls_con_save[MAX_PLL][CRU_PLL_CON_NUMS]; +}; + +struct rk3328_sleep_sram_data { + uint32_t pmic_sleep_save; + uint32_t pmic_sleep_gpio_save[2]; + uint32_t ddr_grf_con0; + uint32_t dpll_con_save[CRU_PLL_CON_NUMS]; + uint32_t pd_sr_idle_save; + uint32_t uart2_ier; +}; + +/***************************************************************************** + * The ways of cores power domain contorlling + *****************************************************************************/ +enum cores_pm_ctr_mode { + core_pwr_pd = 0, + core_pwr_wfi = 1, + core_pwr_wfi_int = 2 +}; + +enum pmu_cores_pm_by_wfi { + core_pm_en = 0, + core_pm_int_wakeup_en, + core_pm_dis_int, + core_pm_sft_wakeup_en +}; + +extern void *pmu_cpuson_entrypoint_start; +extern void *pmu_cpuson_entrypoint_end; + +#define CORES_PM_DISABLE 0x0 + +/***************************************************************************** + * pmu con,reg + *****************************************************************************/ +#define PMU_WAKEUP_CFG0 0x00 +#define PMU_PWRDN_CON 0x0c +#define PMU_PWRDN_ST 0x10 +#define PMU_PWRMD_COM 0x18 +#define PMU_SFT_CON 0x1c +#define PMU_INT_CON 0x20 +#define PMU_INT_ST 0x24 +#define PMU_POWER_ST 0x44 +#define PMU_CPUAPM_CON(n) (0x80 + (n) * 4) +#define PMU_SYS_REG(n) (0xa0 + (n) * 4) + +#define CHECK_CPU_WFIE_BASE (GRF_BASE + GRF_CPU_STATUS(1)) + +enum pmu_core_pwrst_shift { + clst_cpu_wfe = 0, + clst_cpu_wfi = 4, +}; + +#define clstl_cpu_wfe (clst_cpu_wfe) +#define clstb_cpu_wfe (clst_cpu_wfe) + +enum pmu_pd_id { + PD_CPU0 = 0, + PD_CPU1, + PD_CPU2, + PD_CPU3, +}; + +enum pmu_power_mode_common { + pmu_mode_en = 0, + sref_enter_en, + global_int_disable_cfg, + cpu0_pd_en, + wait_wakeup_begin_cfg = 4, + l2_flush_en, + l2_idle_en, + ddrio_ret_de_req, + ddrio_ret_en = 8, +}; + +enum pmu_sft_con { + upctl_c_sysreq_cfg = 0, + l2flushreq_req, + ddr_io_ret_cfg, + pmu_sft_ret_cfg, +}; + +#define CKECK_WFE_MSK 0x1 +#define CKECK_WFI_MSK 0x10 +#define CKECK_WFEI_MSK 0x11 + +#define PD_CTR_LOOP 500 +#define CHK_CPU_LOOP 500 +#define MAX_WAIT_CONUT 1000 + +#define WAKEUP_INT_CLUSTER_EN 0x1 +#define PMIC_SLEEP_REG 0x34 + +#define PLL_IS_NORM_MODE(mode, pll_id) \ + ((mode & (PLL_NORM_MODE(pll_id)) & 0xffff) != 0) + +#define CTLR_ENABLE_G1_BIT BIT(1) +#define UART_FIFO_EMPTY BIT(6) + +#define UART_IER 0x04 +#define UART_FCR 0x08 +#define UART_LSR 0x14 + +#define UART_INT_DISABLE 0x00 +#define UART_FIFO_RESET 0x07 + +#endif /* PMU_H */ diff --git a/plat/rockchip/rk3328/drivers/soc/soc.c b/plat/rockchip/rk3328/drivers/soc/soc.c new file mode 100644 index 0000000..306308f --- /dev/null +++ b/plat/rockchip/rk3328/drivers/soc/soc.c @@ -0,0 +1,158 @@ +/* + * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <platform_def.h> + +#include <arch_helpers.h> +#include <common/debug.h> +#include <drivers/console.h> +#include <drivers/delay_timer.h> +#include <lib/mmio.h> + +#include <ddr_parameter.h> +#include <plat_private.h> +#include <rk3328_def.h> +#include <soc.h> + +/* Table of regions to map using the MMU. */ +const mmap_region_t plat_rk_mmap[] = { + MAP_REGION_FLAT(UART0_BASE, UART0_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(UART1_BASE, UART1_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(UART2_BASE, UART2_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(PMU_BASE, PMU_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(SGRF_BASE, SGRF_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GPIO0_BASE, GPIO0_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GPIO1_BASE, GPIO1_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GPIO2_BASE, GPIO2_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GPIO3_BASE, GPIO3_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(CRU_BASE, CRU_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GRF_BASE, GRF_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(FIREWALL_DDR_BASE, FIREWALL_DDR_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(FIREWALL_CFG_BASE, FIREWALL_CFG_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(STIME_BASE, STIME_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(GIC400_BASE, GIC400_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(PMUSRAM_BASE, PMUSRAM_SIZE, + MT_MEMORY | MT_RW | MT_SECURE), + MAP_REGION_FLAT(SHARE_MEM_BASE, SHARE_MEM_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_GRF_BASE, DDR_GRF_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_UPCTL_BASE, DDR_UPCTL_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(PWM_BASE, PWM_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_PARAM_BASE, DDR_PARAM_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(EFUSE8_BASE, EFUSE8_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(EFUSE32_BASE, EFUSE32_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_PHY_BASE, DDR_PHY_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(SERVER_MSCH_BASE, SERVER_MSCH_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_MONITOR_BASE, DDR_MONITOR_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(VOP_BASE, VOP_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + + { 0 } +}; + +/* The RockChip power domain tree descriptor */ +const unsigned char rockchip_power_domain_tree_desc[] = { + /* No of root nodes */ + PLATFORM_SYSTEM_COUNT, + /* No of children for the root node */ + PLATFORM_CLUSTER_COUNT, + /* No of children for the first cluster node */ + PLATFORM_CLUSTER0_CORE_COUNT, +}; + +void secure_timer_init(void) +{ + mmio_write_32(STIMER_CHN_BASE(1) + TIMER_LOADE_COUNT0, 0xffffffff); + mmio_write_32(STIMER_CHN_BASE(1) + TIMER_LOADE_COUNT1, 0xffffffff); + /* auto reload & enable the timer */ + mmio_write_32(STIMER_CHN_BASE(1) + TIMER_CONTROL_REG, TIMER_EN); +} + +void sgrf_init(void) +{ +#ifdef PLAT_RK_SECURE_DDR_MINILOADER + uint32_t i, val; + struct param_ddr_usage usg; + + /* general secure regions */ + usg = ddr_region_usage_parse(DDR_PARAM_BASE, + PLAT_MAX_DDR_CAPACITY_MB); + for (i = 0; i < usg.s_nr; i++) { + /* enable secure */ + val = mmio_read_32(FIREWALL_DDR_BASE + + FIREWALL_DDR_FW_DDR_CON_REG); + val |= BIT(7 - i); + mmio_write_32(FIREWALL_DDR_BASE + + FIREWALL_DDR_FW_DDR_CON_REG, val); + /* map top and base */ + mmio_write_32(FIREWALL_DDR_BASE + + FIREWALL_DDR_FW_DDR_RGN(7 - i), + RG_MAP_SECURE(usg.s_top[i], usg.s_base[i])); + } +#endif + + /* set ddr rgn0_top and rga0_top as 0 */ + mmio_write_32(FIREWALL_DDR_BASE + FIREWALL_DDR_FW_DDR_RGN(0), 0x0); + + /* set all slave ip into no-secure, except stimer */ + mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(0), + SGRF_SLV_S_ALL_NS); + mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(1), + SGRF_SLV_S_ALL_NS); + mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(2), + SGRF_SLV_S_ALL_NS | STIMER_S); + mmio_write_32(FIREWALL_CFG_BASE + FIREWALL_CFG_FW_SYS_CON(3), + SGRF_SLV_S_ALL_NS); + + /* set all master ip into no-secure */ + mmio_write_32(SGRF_BASE + SGRF_SOC_CON(2), 0xf0000000); + mmio_write_32(SGRF_BASE + SGRF_SOC_CON(3), SGRF_MST_S_ALL_NS); + mmio_write_32(SGRF_BASE + SGRF_SOC_CON(4), SGRF_MST_S_ALL_NS); + + /* set DMAC into no-secure */ + mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(3), DMA_IRQ_BOOT_NS); + mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(4), DMA_PERI_CH_NS_15_0); + mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(5), DMA_PERI_CH_NS_19_16); + mmio_write_32(SGRF_BASE + SGRF_DMAC_CON(5), DMA_MANAGER_BOOT_NS); + + /* soft reset dma before use */ + mmio_write_32(CRU_BASE + CRU_SOFTRSTS_CON(3), DMA_SOFTRST_REQ); + udelay(5); + mmio_write_32(CRU_BASE + CRU_SOFTRSTS_CON(3), DMA_SOFTRST_RLS); +} + +void plat_rockchip_soc_init(void) +{ + secure_timer_init(); + sgrf_init(); + + NOTICE("BL31:Rockchip release version: v%d.%d\n", + MAJOR_VERSION, MINOR_VERSION); +} diff --git a/plat/rockchip/rk3328/drivers/soc/soc.h b/plat/rockchip/rk3328/drivers/soc/soc.h new file mode 100644 index 0000000..e8cbc09 --- /dev/null +++ b/plat/rockchip/rk3328/drivers/soc/soc.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef SOC_H +#define SOC_H + +/******************************* stimer ***************************************/ +#define TIMER_LOADE_COUNT0 0x00 +#define TIMER_LOADE_COUNT1 0x04 +#define TIMER_CURRENT_VALUE0 0x08 +#define TIMER_CURRENT_VALUE1 0x0C +#define TIMER_CONTROL_REG 0x10 +#define TIMER_INTSTATUS 0x18 +#define TIMER_EN 0x1 + +/**************************** read/write **************************************/ +#ifndef BITS_WMSK +#define BITS_WMSK(msk, shift) ((msk) << (shift + REG_MSK_SHIFT)) +#endif + +/**************************** cru *********************************************/ +enum plls_id { + APLL_ID = 0, + DPLL_ID, + CPLL_ID, + GPLL_ID, + REVERVE, + NPLL_ID, + MAX_PLL, +}; + +#define CRU_CRU_MODE 0x0080 +#define CRU_CRU_MISC 0x0084 +#define CRU_GLB_SRST_FST 0x009c +#define CRU_GLB_SRST_FST_VALUE 0xfdb9 +#define PLL_CONS(id, i) (0x020 * (id) + ((i) * 4)) +#define CRU_CLKSEL_CON(i) (0x100 + ((i) * 4)) +#define CRU_CLKSEL_NUMS 53 +#define CRU_CLKGATE_CON(i) (0x200 + ((i) * 4)) +#define CRU_CLKGATE_NUMS 29 +#define CRU_SOFTRSTS_CON(n) (0x300 + ((n) * 4)) +#define CRU_SOFTRSTS_NUMS 12 +#define CRU_PLL_CON_NUMS 5 + +/* PLLn_CON1 */ +#define PLL_IS_LOCKED BIT(10) +/* PLLn_CON0 */ +#define PLL_BYPASS BITS_WITH_WMASK(1, 0x1, 15) +#define PLL_NO_BYPASS BITS_WITH_WMASK(0, 0x1, 15) +/* CRU_MODE */ +#define PLL_SLOW_MODE(id) ((id) == NPLL_ID) ? \ + BITS_WITH_WMASK(0, 0x1, 1) : \ + BITS_WITH_WMASK(0, 0x1, ((id) * 4)) +#define PLL_NORM_MODE(id) ((id) == NPLL_ID) ? \ + BITS_WITH_WMASK(1, 0x1, 1) : \ + BITS_WITH_WMASK(1, 0x1, ((id) * 4)) + +#define CRU_GATEID_CONS(ID) (0x200 + (ID / 16) * 4) +#define CRU_CONS_GATEID(i) (16 * (i)) +#define GATE_ID(reg, bit) ((reg * 16) + bit) + +#define PLL_LOCKED_TIMEOUT 600000U + +#define STIMER_CHN_BASE(n) (STIME_BASE + 0x20 * (n)) +/************************** config regs ***************************************/ +#define FIREWALL_CFG_FW_SYS_CON(n) (0x000 + (n) * 4) +#define FIREWALL_DDR_FW_DDR_RGN(n) (0x000 + (n) * 4) +#define FIREWALL_DDR_FW_DDR_MST(n) (0x020 + (n) * 4) +#define FIREWALL_DDR_FW_DDR_CON_REG (0x040) +#define GRF_SOC_CON(n) (0x400 + (n) * 4) +#define GRF_SOC_STATUS(n) (0x480 + (n) * 4) +#define GRF_CPU_STATUS(n) (0x520 + (n) * 4) +#define GRF_OS_REG(n) (0x5c8 + (n) * 4) +#define DDRGRF_SOC_CON(n) (0x000 + (n) * 4) +#define DDRGRF_SOC_STATUS(n) (0x100 + (n) * 4) +#define SGRF_SOC_CON(n) (0x000 + (n) * 4) +#define SGRF_DMAC_CON(n) (0x100 + (n) * 4) +#define SGRF_HDCP_KEY_CON(n) (0x280 + (n) * 4) + +#define DDR_PCTL2_PWRCTL 0x30 +/************************** regs func *****************************************/ +#define STIMER_S BIT(23) +#define SGRF_SLV_S_ALL_NS 0x0 +#define SGRF_MST_S_ALL_NS 0xffffffff +#define DMA_IRQ_BOOT_NS 0xffffffff +#define DMA_MANAGER_BOOT_NS 0x80008000 +#define DMA_PERI_CH_NS_15_0 0xffffffff +#define DMA_PERI_CH_NS_19_16 0x000f000f +#define DMA_SOFTRST_REQ 0x01000100 +#define DMA_SOFTRST_RLS 0x01000000 + +#define SELFREF_EN BIT(0) +/************************** cpu ***********************************************/ +#define CPU_BOOT_ADDR_WMASK 0xffff0000 +#define CPU_BOOT_ADDR_ALIGN 16 + +/************************** ddr secure region *********************************/ +#define PLAT_MAX_DDR_CAPACITY_MB 4096 +#define RG_MAP_SECURE(top, base) ((((top) - 1) << 16) | (base)) + +/************************** gpio2_d2 ******************************************/ +#define SWPORTA_DR 0x00 +#define SWPORTA_DDR 0x04 +#define GPIO2_D2 BIT(26) +#define GPIO2_D2_GPIO_MODE 0x30 +#define GRF_GPIO2D_IOMUX 0x34 + +#endif /* SOC_H */ |