1 // SPDX-License-Identifier: GPL-2.0+
3  * (C) Copyright 2010-2015
13 #include <asm/arch/mc.h>
14 #include <asm/arch-tegra/ap.h>
15 #include <asm/arch-tegra/clock.h>
16 #include <asm/arch-tegra/fuse.h>
17 #include <asm/arch-tegra/pmc.h>
18 #include <asm/arch-tegra/scu.h>
19 #include <asm/arch-tegra/tegra.h>
20 #include <asm/arch-tegra/warmboot.h>
31 	 * Tegra30, 0x35 for T114, and 0x40 for Tegra124.  in tegra_get_chip()
33 	rev = (readl(&gp->hidrev) & HIDREV_CHIPID_MASK) >> HIDREV_CHIPID_SHIFT;  in tegra_get_chip()
44 	sku_id = readl(&fuse->sku_info) & 0xff;  in tegra_get_sku_info()
121 	if (readl(&scu->scu_ctrl) & SCU_CTRL_ENABLE)  in enable_scu()
125 	writel(0xFFFF, &scu->scu_inv_all);  in enable_scu()
127 	/* Enable SCU - bit 0 */  in enable_scu()
128 	reg = readl(&scu->scu_ctrl);  in enable_scu()
130 	writel(reg, &scu->scu_ctrl);  in enable_scu()
138 	 * Read the data @ bct_start + (bct_size - 12). This works  in get_odmdata()
163 			writel(0, &pmc->pmc_scratch1 + i);  in init_pmc_scratch()
168 	writel(odmdata, &pmc->pmc_scratch20);  in init_pmc_scratch()
174 	struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE;  in protect_secure_section()  local
180 	writel(CONFIG_ARMV7_SECURE_BASE, &mc->mc_security_cfg0);  in protect_secure_section()
181 	writel(CONFIG_ARMV7_SECURE_RESERVE_SIZE >> 20, &mc->mc_security_cfg1);  in protect_secure_section()
186 static void smmu_flush(struct mc_ctlr *mc)  in smmu_flush()  argument
188 	(void)readl(&mc->mc_smmu_config);  in smmu_flush()
193 	struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE;  in smmu_enable()  local
198 	 * is restricted to TrustZone-secured requestors. The kernel will use  in smmu_enable()
199 	 * the per-SWGROUP enable bits to enable or disable translations.  in smmu_enable()
201 	writel(0xffffffff, &mc->mc_smmu_translation_enable_0);  in smmu_enable()
202 	writel(0xffffffff, &mc->mc_smmu_translation_enable_1);  in smmu_enable()
203 	writel(0xffffffff, &mc->mc_smmu_translation_enable_2);  in smmu_enable()
204 	writel(0xffffffff, &mc->mc_smmu_translation_enable_3);  in smmu_enable()
208 	 * to TrustZone-secured requestors.  in smmu_enable()
210 	value = readl(&mc->mc_smmu_config);  in smmu_enable()
212 	writel(value, &mc->mc_smmu_config);  in smmu_enable()
214 	smmu_flush(mc);  in smmu_enable()