/* * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include typedef struct smmu_regs { uint32_t reg; uint32_t val; } smmu_regs_t; #define mc_make_sid_override_cfg(name) \ { \ .reg = TEGRA_MC_STREAMID_BASE + MC_STREAMID_OVERRIDE_CFG_ ## name, \ .val = 0x00000000, \ } #define mc_make_sid_security_cfg(name) \ { \ .reg = TEGRA_MC_STREAMID_BASE + MC_STREAMID_SECURITY_CFG_ ## name, \ .val = 0x00000000, \ } #define smmu_make_gnsr0_sec_cfg(name) \ { \ .reg = TEGRA_SMMU_BASE + SMMU_GNSR0_ ## name, \ .val = 0x00000000, \ } /* * On ARM-SMMU, conditional offset to access secure aliases of non-secure registers * is 0x400. So, add it to register address */ #define smmu_make_gnsr0_nsec_cfg(name) \ { \ .reg = TEGRA_SMMU_BASE + 0x400 + SMMU_GNSR0_ ## name, \ .val = 0x00000000, \ } #define smmu_make_gnsr0_smr_cfg(n) \ { \ .reg = TEGRA_SMMU_BASE + SMMU_GNSR0_SMR ## n, \ .val = 0x00000000, \ } #define smmu_make_gnsr0_s2cr_cfg(n) \ { \ .reg = TEGRA_SMMU_BASE + SMMU_GNSR0_S2CR ## n, \ .val = 0x00000000, \ } #define smmu_make_gnsr1_cbar_cfg(n) \ { \ .reg = TEGRA_SMMU_BASE + (1 << PGSHIFT) + SMMU_GNSR1_CBAR ## n, \ .val = 0x00000000, \ } #define smmu_make_gnsr1_cba2r_cfg(n) \ { \ .reg = TEGRA_SMMU_BASE + (1 << PGSHIFT) + SMMU_GNSR1_CBA2R ## n, \ .val = 0x00000000, \ } #define make_smmu_cb_cfg(name, n) \ { \ .reg = TEGRA_SMMU_BASE + (CB_SIZE >> 1) + (n * (1 << PGSHIFT)) \ + SMMU_CBn_ ## name, \ .val = 0x00000000, \ } #define smmu_make_smrg_group(n) \ smmu_make_gnsr0_smr_cfg(n), \ smmu_make_gnsr0_s2cr_cfg(n), \ smmu_make_gnsr1_cbar_cfg(n), \ smmu_make_gnsr1_cba2r_cfg(n) /* don't put "," here. */ #define smmu_make_cb_group(n) \ make_smmu_cb_cfg(SCTLR, n), \ make_smmu_cb_cfg(TCR2, n), \ make_smmu_cb_cfg(TTBR0_LO, n), \ make_smmu_cb_cfg(TTBR0_HI, n), \ make_smmu_cb_cfg(TCR, n), \ make_smmu_cb_cfg(PRRR_MAIR0, n),\ make_smmu_cb_cfg(FSR, n), \ make_smmu_cb_cfg(FAR_LO, n), \ make_smmu_cb_cfg(FAR_HI, n), \ make_smmu_cb_cfg(FSYNR0, n) /* don't put "," here. */ #define smmu_bypass_cfg \ { \ .reg = TEGRA_MC_BASE + MC_SMMU_BYPASS_CONFIG, \ .val = 0x00000000, \ } #define _START_OF_TABLE_ \ { \ .reg = 0xCAFE05C7, \ .val = 0x00000000, \ } #define _END_OF_TABLE_ \ { \ .reg = 0xFFFFFFFF, \ .val = 0xFFFFFFFF, \ } static __attribute__((aligned(16))) smmu_regs_t smmu_ctx_regs[] = { _START_OF_TABLE_, mc_make_sid_security_cfg(SCEW), mc_make_sid_security_cfg(AFIR), mc_make_sid_security_cfg(NVDISPLAYR1), mc_make_sid_security_cfg(XUSB_DEVR), mc_make_sid_security_cfg(VICSRD1), mc_make_sid_security_cfg(NVENCSWR), mc_make_sid_security_cfg(TSECSRDB), mc_make_sid_security_cfg(AXISW), mc_make_sid_security_cfg(SDMMCWAB), mc_make_sid_security_cfg(AONDMAW), mc_make_sid_security_cfg(GPUSWR2), mc_make_sid_security_cfg(SATAW), mc_make_sid_security_cfg(UFSHCW), mc_make_sid_security_cfg(AFIW), mc_make_sid_security_cfg(SDMMCR), mc_make_sid_security_cfg(SCEDMAW), mc_make_sid_security_cfg(UFSHCR), mc_make_sid_security_cfg(SDMMCWAA), mc_make_sid_security_cfg(APEDMAW), mc_make_sid_security_cfg(SESWR), mc_make_sid_security_cfg(MPCORER), mc_make_sid_security_cfg(PTCR), mc_make_sid_security_cfg(BPMPW), mc_make_sid_security_cfg(ETRW), mc_make_sid_security_cfg(GPUSRD), mc_make_sid_security_cfg(VICSWR), mc_make_sid_security_cfg(SCEDMAR), mc_make_sid_security_cfg(HDAW), mc_make_sid_security_cfg(ISPWA), mc_make_sid_security_cfg(EQOSW), mc_make_sid_security_cfg(XUSB_HOSTW), mc_make_sid_security_cfg(TSECSWR), mc_make_sid_security_cfg(SDMMCRAA), mc_make_sid_security_cfg(APER), mc_make_sid_security_cfg(VIW), mc_make_sid_security_cfg(APEW), mc_make_sid_security_cfg(AXISR), mc_make_sid_security_cfg(SDMMCW), mc_make_sid_security_cfg(BPMPDMAW), mc_make_sid_security_cfg(ISPRA), mc_make_sid_security_cfg(NVDECSWR), mc_make_sid_security_cfg(XUSB_DEVW), mc_make_sid_security_cfg(NVDECSRD), mc_make_sid_security_cfg(MPCOREW), mc_make_sid_security_cfg(NVDISPLAYR), mc_make_sid_security_cfg(BPMPDMAR), mc_make_sid_security_cfg(NVJPGSWR), mc_make_sid_security_cfg(NVDECSRD1), mc_make_sid_security_cfg(TSECSRD), mc_make_sid_security_cfg(NVJPGSRD), mc_make_sid_security_cfg(SDMMCWA), mc_make_sid_security_cfg(SCER), mc_make_sid_security_cfg(XUSB_HOSTR), mc_make_sid_security_cfg(VICSRD), mc_make_sid_security_cfg(AONDMAR), mc_make_sid_security_cfg(AONW), mc_make_sid_security_cfg(SDMMCRA), mc_make_sid_security_cfg(HOST1XDMAR), mc_make_sid_security_cfg(EQOSR), mc_make_sid_security_cfg(SATAR), mc_make_sid_security_cfg(BPMPR), mc_make_sid_security_cfg(HDAR), mc_make_sid_security_cfg(SDMMCRAB), mc_make_sid_security_cfg(ETRR), mc_make_sid_security_cfg(AONR), mc_make_sid_security_cfg(APEDMAR), mc_make_sid_security_cfg(SESRD), mc_make_sid_security_cfg(NVENCSRD), mc_make_sid_security_cfg(GPUSWR), mc_make_sid_security_cfg(TSECSWRB), mc_make_sid_security_cfg(ISPWB), mc_make_sid_security_cfg(GPUSRD2), mc_make_sid_override_cfg(APER), mc_make_sid_override_cfg(VICSRD), mc_make_sid_override_cfg(NVENCSRD), mc_make_sid_override_cfg(NVJPGSWR), mc_make_sid_override_cfg(AONW), mc_make_sid_override_cfg(BPMPR), mc_make_sid_override_cfg(BPMPW), mc_make_sid_override_cfg(HDAW), mc_make_sid_override_cfg(NVDISPLAYR1), mc_make_sid_override_cfg(APEDMAR), mc_make_sid_override_cfg(AFIR), mc_make_sid_override_cfg(AXISR), mc_make_sid_override_cfg(VICSRD1), mc_make_sid_override_cfg(TSECSRD), mc_make_sid_override_cfg(BPMPDMAW), mc_make_sid_override_cfg(MPCOREW), mc_make_sid_override_cfg(XUSB_HOSTR), mc_make_sid_override_cfg(GPUSWR), mc_make_sid_override_cfg(XUSB_DEVR), mc_make_sid_override_cfg(UFSHCW), mc_make_sid_override_cfg(XUSB_HOSTW), mc_make_sid_override_cfg(SDMMCWAB), mc_make_sid_override_cfg(SATAW), mc_make_sid_override_cfg(SCEDMAR), mc_make_sid_override_cfg(HOST1XDMAR), mc_make_sid_override_cfg(SDMMCWA), mc_make_sid_override_cfg(APEDMAW), mc_make_sid_override_cfg(SESWR), mc_make_sid_override_cfg(AXISW), mc_make_sid_override_cfg(AONDMAW), mc_make_sid_override_cfg(TSECSWRB), mc_make_sid_override_cfg(MPCORER), mc_make_sid_override_cfg(ISPWB), mc_make_sid_override_cfg(AONR), mc_make_sid_override_cfg(BPMPDMAR), mc_make_sid_override_cfg(HDAR), mc_make_sid_override_cfg(SDMMCRA), mc_make_sid_override_cfg(ETRW), mc_make_sid_override_cfg(GPUSWR2), mc_make_sid_override_cfg(EQOSR), mc_make_sid_override_cfg(TSECSWR), mc_make_sid_override_cfg(ETRR), mc_make_sid_override_cfg(NVDECSRD), mc_make_sid_override_cfg(TSECSRDB), mc_make_sid_override_cfg(SDMMCRAA), mc_make_sid_override_cfg(NVDECSRD1), mc_make_sid_override_cfg(SDMMCR), mc_make_sid_override_cfg(NVJPGSRD), mc_make_sid_override_cfg(SCEDMAW), mc_make_sid_override_cfg(SDMMCWAA), mc_make_sid_override_cfg(APEW), mc_make_sid_override_cfg(AONDMAR), mc_make_sid_override_cfg(PTCR), mc_make_sid_override_cfg(SCER), mc_make_sid_override_cfg(ISPRA), mc_make_sid_override_cfg(ISPWA), mc_make_sid_override_cfg(VICSWR), mc_make_sid_override_cfg(SESRD), mc_make_sid_override_cfg(SDMMCW), mc_make_sid_override_cfg(SDMMCRAB), mc_make_sid_override_cfg(EQOSW), mc_make_sid_override_cfg(GPUSRD2), mc_make_sid_override_cfg(SCEW), mc_make_sid_override_cfg(GPUSRD), mc_make_sid_override_cfg(NVDECSWR), mc_make_sid_override_cfg(XUSB_DEVW), mc_make_sid_override_cfg(SATAR), mc_make_sid_override_cfg(NVDISPLAYR), mc_make_sid_override_cfg(VIW), mc_make_sid_override_cfg(UFSHCR), mc_make_sid_override_cfg(NVENCSWR), mc_make_sid_override_cfg(AFIW), smmu_make_gnsr0_nsec_cfg(CR0), smmu_make_gnsr0_sec_cfg(IDR0), smmu_make_gnsr0_sec_cfg(IDR1), smmu_make_gnsr0_sec_cfg(IDR2), smmu_make_gnsr0_nsec_cfg(GFSR), smmu_make_gnsr0_nsec_cfg(GFSYNR0), smmu_make_gnsr0_nsec_cfg(GFSYNR1), smmu_make_gnsr0_nsec_cfg(TLBGSTATUS), smmu_make_gnsr0_nsec_cfg(PIDR2), smmu_make_smrg_group(0), smmu_make_smrg_group(1), smmu_make_smrg_group(2), smmu_make_smrg_group(3), smmu_make_smrg_group(4), smmu_make_smrg_group(5), smmu_make_smrg_group(6), smmu_make_smrg_group(7), smmu_make_smrg_group(8), smmu_make_smrg_group(9), smmu_make_smrg_group(10), smmu_make_smrg_group(11), smmu_make_smrg_group(12), smmu_make_smrg_group(13), smmu_make_smrg_group(14), smmu_make_smrg_group(15), smmu_make_smrg_group(16), smmu_make_smrg_group(17), smmu_make_smrg_group(18), smmu_make_smrg_group(19), smmu_make_smrg_group(20), smmu_make_smrg_group(21), smmu_make_smrg_group(22), smmu_make_smrg_group(23), smmu_make_smrg_group(24), smmu_make_smrg_group(25), smmu_make_smrg_group(26), smmu_make_smrg_group(27), smmu_make_smrg_group(28), smmu_make_smrg_group(29), smmu_make_smrg_group(30), smmu_make_smrg_group(31), smmu_make_smrg_group(32), smmu_make_smrg_group(33), smmu_make_smrg_group(34), smmu_make_smrg_group(35), smmu_make_smrg_group(36), smmu_make_smrg_group(37), smmu_make_smrg_group(38), smmu_make_smrg_group(39), smmu_make_smrg_group(40), smmu_make_smrg_group(41), smmu_make_smrg_group(42), smmu_make_smrg_group(43), smmu_make_smrg_group(44), smmu_make_smrg_group(45), smmu_make_smrg_group(46), smmu_make_smrg_group(47), smmu_make_smrg_group(48), smmu_make_smrg_group(49), smmu_make_smrg_group(50), smmu_make_smrg_group(51), smmu_make_smrg_group(52), smmu_make_smrg_group(53), smmu_make_smrg_group(54), smmu_make_smrg_group(55), smmu_make_smrg_group(56), smmu_make_smrg_group(57), smmu_make_smrg_group(58), smmu_make_smrg_group(59), smmu_make_smrg_group(60), smmu_make_smrg_group(61), smmu_make_smrg_group(62), smmu_make_smrg_group(63), smmu_make_cb_group(0), smmu_make_cb_group(1), smmu_make_cb_group(2), smmu_make_cb_group(3), smmu_make_cb_group(4), smmu_make_cb_group(5), smmu_make_cb_group(6), smmu_make_cb_group(7), smmu_make_cb_group(8), smmu_make_cb_group(9), smmu_make_cb_group(10), smmu_make_cb_group(11), smmu_make_cb_group(12), smmu_make_cb_group(13), smmu_make_cb_group(14), smmu_make_cb_group(15), smmu_make_cb_group(16), smmu_make_cb_group(17), smmu_make_cb_group(18), smmu_make_cb_group(19), smmu_make_cb_group(20), smmu_make_cb_group(21), smmu_make_cb_group(22), smmu_make_cb_group(23), smmu_make_cb_group(24), smmu_make_cb_group(25), smmu_make_cb_group(26), smmu_make_cb_group(27), smmu_make_cb_group(28), smmu_make_cb_group(29), smmu_make_cb_group(30), smmu_make_cb_group(31), smmu_make_cb_group(32), smmu_make_cb_group(33), smmu_make_cb_group(34), smmu_make_cb_group(35), smmu_make_cb_group(36), smmu_make_cb_group(37), smmu_make_cb_group(38), smmu_make_cb_group(39), smmu_make_cb_group(40), smmu_make_cb_group(41), smmu_make_cb_group(42), smmu_make_cb_group(43), smmu_make_cb_group(44), smmu_make_cb_group(45), smmu_make_cb_group(46), smmu_make_cb_group(47), smmu_make_cb_group(48), smmu_make_cb_group(49), smmu_make_cb_group(50), smmu_make_cb_group(51), smmu_make_cb_group(52), smmu_make_cb_group(53), smmu_make_cb_group(54), smmu_make_cb_group(55), smmu_make_cb_group(56), smmu_make_cb_group(57), smmu_make_cb_group(58), smmu_make_cb_group(59), smmu_make_cb_group(60), smmu_make_cb_group(61), smmu_make_cb_group(62), smmu_make_cb_group(63), smmu_bypass_cfg, /* TBU settings */ _END_OF_TABLE_, }; /* * Save SMMU settings before "System Suspend" to TZDRAM */ void tegra_smmu_save_context(uint64_t smmu_ctx_addr) { uint32_t i; #if DEBUG plat_params_from_bl2_t *params_from_bl2 = bl31_get_plat_params(); uint64_t tzdram_base = params_from_bl2->tzdram_base; uint64_t tzdram_end = tzdram_base + params_from_bl2->tzdram_size; uint32_t reg_id1, pgshift, cb_size; /* sanity check SMMU settings c*/ reg_id1 = mmio_read_32((TEGRA_SMMU_BASE + SMMU_GNSR0_IDR1)); pgshift = (reg_id1 & ID1_PAGESIZE) ? 16 : 12; cb_size = (2 << pgshift) * \ (1 << (((reg_id1 >> ID1_NUMPAGENDXB_SHIFT) & ID1_NUMPAGENDXB_MASK) + 1)); assert(!((pgshift != PGSHIFT) || (cb_size != CB_SIZE))); #endif assert((smmu_ctx_addr >= tzdram_base) && (smmu_ctx_addr <= tzdram_end)); /* index of _END_OF_TABLE_ */ smmu_ctx_regs[0].val = ARRAY_SIZE(smmu_ctx_regs) - 1; /* save SMMU register values */ for (i = 1; i < ARRAY_SIZE(smmu_ctx_regs) - 1; i++) smmu_ctx_regs[i].val = mmio_read_32(smmu_ctx_regs[i].reg); /* Save SMMU config settings */ memcpy16((void *)(uintptr_t)smmu_ctx_addr, (void *)smmu_ctx_regs, sizeof(smmu_ctx_regs)); /* save the SMMU table address */ mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV11_LO, (uint32_t)smmu_ctx_addr); mmio_write_32(TEGRA_SCRATCH_BASE + SECURE_SCRATCH_RSV11_HI, (uint32_t)(smmu_ctx_addr >> 32)); } /* * Init SMMU during boot or "System Suspend" exit */ void tegra_smmu_init(void) { uint32_t val; /* Program the SMMU pagesize */ val = tegra_smmu_read_32(SMMU_GSR0_SECURE_ACR); val |= SMMU_GSR0_PGSIZE_64K; tegra_smmu_write_32(SMMU_GSR0_SECURE_ACR, val); }