From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/rockchip/px30/drivers/soc/soc.c | 134 +++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 plat/rockchip/px30/drivers/soc/soc.c (limited to 'plat/rockchip/px30/drivers/soc/soc.c') diff --git a/plat/rockchip/px30/drivers/soc/soc.c b/plat/rockchip/px30/drivers/soc/soc.c new file mode 100644 index 0000000..200563d --- /dev/null +++ b/plat/rockchip/px30/drivers/soc/soc.c @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +/* Aggregate of all devices in the first GB */ +#define PX30_DEV_RNG0_BASE 0xff000000 +#define PX30_DEV_RNG0_SIZE 0x00ff0000 + +const mmap_region_t plat_rk_mmap[] = { + MAP_REGION_FLAT(PX30_DEV_RNG0_BASE, PX30_DEV_RNG0_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(SHARE_MEM_BASE, SHARE_MEM_SIZE, + MT_DEVICE | MT_RW | MT_SECURE), + MAP_REGION_FLAT(DDR_PARAM_BASE, DDR_PARAM_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 clk_gate_con_save(uint32_t *clkgt_save) +{ + uint32_t i, j; + + for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) + clkgt_save[i] = + mmio_read_32(CRU_BASE + CRU_CLKGATES_CON(i)); + j = i; + for (i = 0; i < CRU_PMU_CLKGATE_CON_CNT; i++, j++) + clkgt_save[j] = + mmio_read_32(PMUCRU_BASE + CRU_PMU_CLKGATES_CON(i)); +} + +void clk_gate_con_restore(uint32_t *clkgt_save) +{ + uint32_t i, j; + + for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) + mmio_write_32(CRU_BASE + CRU_CLKGATES_CON(i), + WITH_16BITS_WMSK(clkgt_save[i])); + + j = i; + for (i = 0; i < CRU_PMU_CLKGATE_CON_CNT; i++, j++) + mmio_write_32(PMUCRU_BASE + CRU_PMU_CLKGATES_CON(i), + WITH_16BITS_WMSK(clkgt_save[j])); +} + +void clk_gate_con_disable(void) +{ + uint32_t i; + + for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) + mmio_write_32(CRU_BASE + CRU_CLKGATES_CON(i), + 0xffff0000); + + for (i = 0; i < CRU_PMU_CLKGATE_CON_CNT; i++) + mmio_write_32(PMUCRU_BASE + CRU_PMU_CLKGATES_CON(i), + 0xffff0000); +} + +static void soc_reset_config_all(void) +{ + uint32_t tmp; + + /* tsadc and wdt can trigger a first rst */ + tmp = mmio_read_32(CRU_BASE + CRU_GLB_RST_CON); + tmp |= CRU_GLB_RST_TSADC_FST | CRU_GLB_RST_WDT_FST; + mmio_write_32(CRU_BASE + CRU_GLB_RST_CON, tmp); + return; + tmp = mmio_read_32(PMUGRF_BASE + PMUGRF_SOC_CON(3)); + tmp &= ~(PMUGRF_FAILSAFE_SHTDN_TSADC | PMUGRF_FAILSAFE_SHTDN_WDT); + mmio_write_32(PMUGRF_BASE + PMUGRF_SOC_CON(3), tmp); + + /* wdt pin rst eable */ + mmio_write_32(GRF_BASE + GRF_SOC_CON(2), + BIT_WITH_WMSK(GRF_SOC_CON2_NSWDT_RST_EN)); +} + +void px30_soc_reset_config(void) +{ + uint32_t tmp; + + /* enable soc ip rst hold time cfg */ + tmp = mmio_read_32(CRU_BASE + CRU_GLB_RST_CON); + tmp |= BIT(CRU_GLB_RST_TSADC_EXT) | BIT(CRU_GLB_RST_WDT_EXT); + mmio_write_32(CRU_BASE + CRU_GLB_RST_CON, tmp); + /* soc ip rst hold time, 24m */ + tmp = mmio_read_32(CRU_BASE + CRU_GLB_CNT_TH); + tmp &= ~CRU_GLB_CNT_RST_MSK; + tmp |= (CRU_GLB_CNT_RST_1MS / 2); + mmio_write_32(CRU_BASE + CRU_GLB_CNT_TH, tmp); + + mmio_write_32(PMUSGRF_BASE + PMUSGRF_SOC_CON(0), + BIT_WITH_WMSK(PMUSGRF_RSTOUT_FST) | + BIT_WITH_WMSK(PMUSGRF_RSTOUT_TSADC) | + BIT_WITH_WMSK(PMUSGRF_RSTOUT_WDT)); + + /* rst_out pulse time */ + mmio_write_32(PMUGRF_BASE + PMUGRF_SOC_CON(2), + PMUGRF_SOC_CON2_MAX_341US | PMUGRF_SOC_CON2_US_WMSK); + + soc_reset_config_all(); +} + +void plat_rockchip_soc_init(void) +{ + secure_timer_init(); + sgrf_init(); +} -- cgit v1.2.3