rockchip: rk3399: Clean up and seprate secure parts from SoC codes

The goal is that make clear the secure and SoC codes. Now cleaning them
will help secure code extensions for RK3399 in the future.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>

plat/rockchip/rk3399/drivers/dram/dram.c

@@ -30,6 +30,7 @@
 
 #include <dram.h>
 #include <plat_private.h>
+#include <secure.h>
 #include <soc.h>
 #include <rk3399_def.h>
 

plat/rockchip/rk3399/drivers/dram/suspend.c

@@ -34,6 +34,7 @@
 #include <dram.h>
 #include <pmu_regs.h>
 #include <rk3399_def.h>
+#include <secure.h>
 #include <soc.h>
 #include <suspend.h>
 

plat/rockchip/rk3399/drivers/pmu/m0_ctl.c

@@ -36,13 +36,14 @@
 #include <m0_ctl.h>
 #include <plat_private.h>
 #include <rk3399_def.h>
+#include <secure.h>
 #include <soc.h>
 
 void m0_init(void)
 {
 	/* secure config for M0 */
 	mmio_write_32(SGRF_BASE + SGRF_PMU_CON(0), WMSK_BIT(7));
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON6, WMSK_BIT(12));
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(6), WMSK_BIT(12));
 
 	/* set the execute address for M0 */
 	mmio_write_32(SGRF_BASE + SGRF_PMU_CON(3),

plat/rockchip/rk3399/drivers/pmu/pmu.c

@@ -44,6 +44,7 @@
 #include <plat_private.h>
 #include <rk3399_def.h>
 #include <pmu_sram.h>
+#include <secure.h>
 #include <soc.h>
 #include <pmu.h>
 #include <pmu_com.h>
@@ -1098,7 +1099,7 @@ static int sys_pwr_domain_suspend(void)
 
 	pmu_sgrf_rst_hld();
 
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON0_1(1),
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(1),
 		      (PMUSRAM_BASE >> CPU_BOOT_ADDR_ALIGN) |
 		      CPU_BOOT_ADDR_WMASK);
 
@@ -1150,7 +1151,7 @@ static int sys_pwr_domain_resume(void)
 	udelay(300);
 	enable_dvfs_plls();
 
-	secure_watchdog_restore();
+	secure_watchdog_enable();
 
 	/* restore clk_ddrc_bpll_src_en gate */
 	mmio_write_32(CRU_BASE + CRU_CLKGATE_CON(3),
@@ -1166,7 +1167,7 @@ static int sys_pwr_domain_resume(void)
 	mmio_write_32(PMU_BASE + PMU_WAKEUP_STATUS, 0xffffffff);
 	mmio_write_32(PMU_BASE + PMU_WKUP_CFG4, 0x00);
 
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON0_1(1),
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(1),
 		      (cpu_warm_boot_addr >> CPU_BOOT_ADDR_ALIGN) |
 		      CPU_BOOT_ADDR_WMASK);
 
@@ -1306,7 +1307,7 @@ void plat_rockchip_pmu_init(void)
 	psram_sleep_cfg->boot_mpidr = read_mpidr_el1() & 0xffff;
 
 	/* config cpu's warm boot address */
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON0_1(1),
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(1),
 		      (cpu_warm_boot_addr >> CPU_BOOT_ADDR_ALIGN) |
 		      CPU_BOOT_ADDR_WMASK);
 	mmio_write_32(PMU_BASE + PMU_NOC_AUTO_ENA, NOC_AUTO_ENABLE);

plat/rockchip/rk3399/drivers/secure/secure.c

+/*
+ * 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 <arch_helpers.h>
+#include <assert.h>
+#include <debug.h>
+#include <delay_timer.h>
+#include <plat_private.h>
+#include <secure.h>
+#include <soc.h>
+
+static void sgrf_ddr_rgn_global_bypass(uint32_t bypass)
+{
+	if (bypass)
+		/* set bypass (non-secure regions) for whole ddr regions */
+		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
+			      SGRF_DDR_RGN_BYPS);
+	else
+		/* cancel bypass for whole ddr regions */
+		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
+			      SGRF_DDR_RGN_NO_BYPS);
+}
+
+/**
+ * There are 8 + 1 regions for DDR secure control:
+ * DDR_RGN_0 ~ DDR_RGN_7: Per DDR_RGNs grain size is 1MB
+ * DDR_RGN_X - the memories of exclude DDR_RGN_0 ~ DDR_RGN_7
+ *
+ * DDR_RGN_0 - start address of the RGN0
+ * DDR_RGN_8 - end address of the RGN0
+ * DDR_RGN_1 - start address of the RGN1
+ * DDR_RGN_9 - end address of the RGN1
+ * ...
+ * DDR_RGN_7 - start address of the RGN7
+ * DDR_RGN_15 - end address of the RGN7
+ * DDR_RGN_16 - bit 0 ~ 7 is bitmap for RGN0~7 secure,0: disable, 1: enable
+ *              bit 8 is setting for RGNx, the rest of the memory and region
+ *                which excludes RGN0~7, 0: disable, 1: enable
+ *              bit 9, the global secure configuration via bypass, 0: disable
+ *                bypass, 1: enable bypass
+ *
+ * @rgn - the DDR regions 0 ~ 7 which are can be configured.
+ * The @st_mb and @ed_mb indicate the start and end addresses for which to set
+ * the security, and the unit is megabyte. When the st_mb == 0, ed_mb == 0, the
+ * address range 0x0 ~ 0xfffff is secure.
+ *
+ * For example, if we would like to set the range [0, 32MB) is security via
+ * DDR_RGN0, then rgn == 0, st_mb == 0, ed_mb == 31.
+ */
+static void sgrf_ddr_rgn_config(uint32_t rgn,
+				uintptr_t st, uintptr_t ed)
+{
+	uintptr_t st_mb, ed_mb;
+
+	assert(rgn <= 7);
+	assert(st < ed);
+
+	/* check aligned 1MB */
+	assert(st % SIZE_M(1) == 0);
+	assert(ed % SIZE_M(1) == 0);
+
+	st_mb = st / SIZE_M(1);
+	ed_mb = ed / SIZE_M(1);
+
+	/* set ddr region addr start */
+	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(rgn),
+		      BITS_WITH_WMASK(st_mb, SGRF_DDR_RGN_0_16_WMSK, 0));
+
+	/* set ddr region addr end */
+	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(rgn + 8),
+		      BITS_WITH_WMASK((ed_mb - 1), SGRF_DDR_RGN_0_16_WMSK, 0));
+
+	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
+		      BIT_WITH_WMSK(rgn));
+}
+
+void secure_watchdog_disable(void)
+{
+	/**
+	 * Disable CA53 and CM0 wdt pclk
+	 * BIT[8]: ca53 wdt pclk, 0: enable 1: disable
+	 * BIT[10]: cm0 wdt pclk, 0: enable 1: disable
+	 */
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(3),
+		      BIT_WITH_WMSK(PCLK_WDT_CA53_GATE_SHIFT) |
+		      BIT_WITH_WMSK(PCLK_WDT_CM0_GATE_SHIFT));
+}
+
+void secure_watchdog_enable(void)
+{
+	/**
+	 * Enable CA53 and CM0 wdt pclk
+	 * BIT[8]: ca53 wdt pclk, 0: enable 1: disable
+	 * BIT[10]: cm0 wdt pclk, 0: enable 1: disable
+	 */
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(3),
+		      WMSK_BIT(PCLK_WDT_CA53_GATE_SHIFT) |
+		      WMSK_BIT(PCLK_WDT_CM0_GATE_SHIFT));
+}
+
+void secure_timer_init(void)
+{
+	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_END_COUNT0, 0xffffffff);
+	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_END_COUNT1, 0xffffffff);
+
+	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_INIT_COUNT0, 0x0);
+	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_INIT_COUNT0, 0x0);
+
+	/* auto reload & enable the timer */
+	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_CONTROL_REG,
+		      TIMER_EN | TIMER_FMODE);
+}
+
+void secure_sgrf_init(void)
+{
+	/* security config for master */
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(5),
+		      REG_SOC_WMSK | SGRF_SOC_ALLMST_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(6),
+		      REG_SOC_WMSK | SGRF_SOC_ALLMST_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SOC_CON(7),
+		      REG_SOC_WMSK | SGRF_SOC_ALLMST_NS);
+
+	/* security config for slave */
+	mmio_write_32(SGRF_BASE + SGRF_PMU_SLV_CON0_1(0),
+		      SGRF_PMU_SLV_S_CFGED |
+		      SGRF_PMU_SLV_CRYPTO1_NS);
+	mmio_write_32(SGRF_BASE + SGRF_PMU_SLV_CON0_1(1),
+		      SGRF_SLV_S_WMSK | SGRF_PMUSRAM_S);
+	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(0),
+		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(1),
+		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(2),
+		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(3),
+		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
+	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(4),
+		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
+}
+
+void secure_sgrf_ddr_rgn_init(void)
+{
+	sgrf_ddr_rgn_config(0, TZRAM_BASE, TZRAM_SIZE);
+	sgrf_ddr_rgn_global_bypass(0);
+}

plat/rockchip/rk3399/drivers/secure/secure.h

+/*
+ * 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.
+ */
+
+#ifndef __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__
+#define __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__
+
+/**************************************************
+ * sgrf reg, offset
+ **************************************************/
+#define SGRF_SOC_CON0_1(n)		(0xc000 + (n) * 4)
+#define SGRF_SOC_CON3_7(n)		(0xe00c + ((n) - 3) * 4)
+#define SGRF_SOC_CON8_15(n)		(0x8020 + ((n) - 8) * 4)
+#define SGRF_SOC_CON(n) 		(n < 3 ? SGRF_SOC_CON0_1(n) :\
+						(n < 8 ? SGRF_SOC_CON3_7(n) :\
+							 SGRF_SOC_CON8_15(n)))
+
+#define SGRF_PMU_SLV_CON0_1(n)		(0xc240 + ((n) - 0) * 4)
+#define SGRF_SLV_SECURE_CON0_4(n)	(0xe3c0 + ((n) - 0) * 4)
+#define SGRF_DDRRGN_CON0_16(n)		((n) * 4)
+#define SGRF_DDRRGN_CON20_34(n)		(0x50 + ((n) - 20) * 4)
+
+/* All of master in ns */
+#define SGRF_SOC_ALLMST_NS		0xffff
+
+/* security config for slave */
+#define SGRF_SLV_S_WMSK			0xffff0000
+#define SGRF_SLV_S_ALL_NS		0x0
+
+/* security config pmu slave ip */
+/* All of slaves  is ns */
+#define SGRF_PMU_SLV_S_NS		BIT_WITH_WMSK(0)
+/* slaves secure attr is configed */
+#define SGRF_PMU_SLV_S_CFGED		WMSK_BIT(0)
+#define SGRF_PMU_SLV_CRYPTO1_NS		WMSK_BIT(1)
+
+#define SGRF_PMUSRAM_S			BIT(8)
+
+/* ddr region */
+#define SGRF_DDR_RGN_0_16_WMSK		0x0fff  /* DDR RGN 0~16 size mask */
+
+#define SGRF_DDR_RGN_DPLL_CLK		BIT_WITH_WMSK(15) /* DDR PLL output clock */
+#define SGRF_DDR_RGN_RTC_CLK		BIT_WITH_WMSK(14) /* 32K clock for DDR PLL */
+
+/* All security of the DDR RGNs are bypass */
+#define SGRF_DDR_RGN_BYPS		BIT_WITH_WMSK(9)
+/* All security of the DDR RGNs are not bypass */
+#define SGRF_DDR_RGN_NO_BYPS		WMSK_BIT(9)
+
+/* The MST access the ddr rgn n with secure attribution */
+#define SGRF_L_MST_S_DDR_RGN(n)		BIT_WITH_WMSK((n))
+/* bits[16:8]*/
+#define SGRF_H_MST_S_DDR_RGN(n)		BIT_WITH_WMSK((n) + 8)
+
+#define SGRF_PMU_CON0			0x0c100
+#define SGRF_PMU_CON(n)   		(SGRF_PMU_CON0 + (n) * 4)
+
+/**************************************************
+ * secure timer
+ **************************************************/
+/* chanal0~5 */
+#define STIMER0_CHN_BASE(n)		(STIME_BASE + 0x20 * (n))
+/* chanal6~11 */
+#define STIMER1_CHN_BASE(n)		(STIME_BASE + 0x8000 + 0x20 * (n))
+
+ /* low 32 bits */
+#define TIMER_END_COUNT0		0x00
+ /* high 32 bits */
+#define TIMER_END_COUNT1		0x04
+
+#define TIMER_CURRENT_VALUE0		0x08
+#define TIMER_CURRENT_VALUE1		0x0C
+
+ /* low 32 bits */
+#define TIMER_INIT_COUNT0		0x10
+ /* high 32 bits */
+#define TIMER_INIT_COUNT1		0x14
+
+#define TIMER_INTSTATUS			0x18
+#define TIMER_CONTROL_REG		0x1c
+
+#define TIMER_EN			0x1
+
+#define TIMER_FMODE			(0x0 << 1)
+#define TIMER_RMODE			(0x1 << 1)
+
+/**************************************************
+ * secure WDT
+ **************************************************/
+#define PCLK_WDT_CA53_GATE_SHIFT	8
+#define PCLK_WDT_CM0_GATE_SHIFT		10
+
+/* export secure operating APIs */
+void secure_watchdog_disable(void);
+void secure_watchdog_enable(void);
+void secure_timer_init(void);
+void secure_sgrf_init(void);
+void secure_sgrf_ddr_rgn_init(void);
+
+#endif /* __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__ */

plat/rockchip/rk3399/drivers/soc/soc.c

@@ -39,6 +39,7 @@
 #include <platform_def.h>
 #include <plat_private.h>
 #include <rk3399_def.h>
+#include <secure.h>
 #include <soc.h>
 
 /* Table of regions to map using the MMU.  */
@@ -63,225 +64,8 @@ const unsigned char rockchip_power_domain_tree_desc[] = {
 	PLATFORM_CLUSTER1_CORE_COUNT
 };
 
-void secure_timer_init(void)
-{
-	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_END_COUNT0, 0xffffffff);
-	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_END_COUNT1, 0xffffffff);
-
-	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_INIT_COUNT0, 0x0);
-	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_INIT_COUNT0, 0x0);
-
-	/* auto reload & enable the timer */
-	mmio_write_32(STIMER1_CHN_BASE(5) + TIMER_CONTROL_REG,
-		      TIMER_EN | TIMER_FMODE);
-}
-
-void sgrf_init(void)
-{
-	/* security config for master */
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(5),
-		      SGRF_SOC_CON_WMSK | SGRF_SOC_ALLMST_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(6),
-		      SGRF_SOC_CON_WMSK | SGRF_SOC_ALLMST_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(7),
-		      SGRF_SOC_CON_WMSK | SGRF_SOC_ALLMST_NS);
-
-	/* security config for slave */
-	mmio_write_32(SGRF_BASE + SGRF_PMU_SLV_CON0_1(0),
-		      SGRF_PMU_SLV_S_CFGED |
-		      SGRF_PMU_SLV_CRYPTO1_NS);
-	mmio_write_32(SGRF_BASE + SGRF_PMU_SLV_CON0_1(1),
-		      SGRF_PMU_SLV_CON1_CFG);
-	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(0),
-		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(1),
-		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(2),
-		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(3),
-		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
-	mmio_write_32(SGRF_BASE + SGRF_SLV_SECURE_CON0_4(4),
-		      SGRF_SLV_S_WMSK | SGRF_SLV_S_ALL_NS);
-}
-
-static void dma_secure_cfg(uint32_t secure)
-{
-	if (secure) {
-		/* rgn0 secure for dmac0 and dmac1 */
-		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON20_34(22),
-			      SGRF_L_MST_S_DDR_RGN(0) | /* dmac0 */
-			      SGRF_H_MST_S_DDR_RGN(0) /* dmac1 */
-			      );
-
-		/* set dmac0 boot, under secure state */
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(8),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(9),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(10),
-			      SGRF_DMAC_CFG_S);
-
-		/* dmac0 soft reset */
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC0_RST);
-		udelay(5);
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC0_RST_RLS);
-
-		/* set dmac1 boot, under secure state */
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(11),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(12),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(13),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(14),
-			      SGRF_DMAC_CFG_S);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(15),
-			      SGRF_DMAC_CFG_S);
-
-		/* dmac1 soft reset */
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC1_RST);
-		udelay(5);
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC1_RST_RLS);
-	} else {
-		/* rgn non-secure for dmac0 and dmac1 */
-		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON20_34(22),
-			      DMAC1_RGN_NS | DMAC0_RGN_NS);
-
-		/* set dmac0 boot, under non-secure state */
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(8),
-			      DMAC0_BOOT_CFG_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(9),
-			      DMAC0_BOOT_PERIPH_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(10),
-			      DMAC0_BOOT_ADDR_NS);
-
-		/* dmac0 soft reset */
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC0_RST);
-		udelay(5);
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC0_RST_RLS);
-
-		/* set dmac1 boot, under non-secure state */
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(11),
-			      DMAC1_BOOT_CFG_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(12),
-			      DMAC1_BOOT_PERIPH_L_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(13),
-			      DMAC1_BOOT_ADDR_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(14),
-			      DMAC1_BOOT_PERIPH_H_NS);
-		mmio_write_32(SGRF_BASE + SGRF_SOC_CON8_15(15),
-			      DMAC1_BOOT_IRQ_NS);
-
-		/* dmac1 soft reset */
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC1_RST);
-		udelay(5);
-		mmio_write_32(CRU_BASE + CRU_SOFTRST_CON(10),
-			      CRU_DMAC1_RST_RLS);
-	}
-}
-
-/* pll suspend */
-struct deepsleep_data_s slp_data;
-
-void secure_watchdog_disable(void)
-{
-	slp_data.sgrf_con[3] = mmio_read_32(SGRF_BASE + SGRF_SOC_CON3_7(3));
-
-	/* disable CA53 wdt pclk */
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(3),
-		      BITS_WITH_WMASK(WDT_CA53_DIS, WDT_CA53_1BIT_MASK,
-				      PCLK_WDT_CA53_GATE_SHIFT));
-	/* disable CM0 wdt pclk */
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(3),
-		      BITS_WITH_WMASK(WDT_CM0_DIS, WDT_CM0_1BIT_MASK,
-				      PCLK_WDT_CM0_GATE_SHIFT));
-}
-
-void secure_watchdog_restore(void)
-{
-	mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(3),
-		      slp_data.sgrf_con[3] |
-		      WMSK_BIT(PCLK_WDT_CA53_GATE_SHIFT) |
-		      WMSK_BIT(PCLK_WDT_CM0_GATE_SHIFT));
-}
-
-static void sgrf_ddr_rgn_global_bypass(uint32_t bypass)
-{
-	if (bypass)
-		/* set bypass (non-secure regions) for whole ddr regions */
-		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
-			      SGRF_DDR_RGN_BYPS);
-	else
-		/* cancel bypass for whole ddr regions */
-		mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
-			      SGRF_DDR_RGN_NO_BYPS);
-}
-
-/**
- * There are 8 + 1 regions for DDR secure control:
- * DDR_RGN_0 ~ DDR_RGN_7: Per DDR_RGNs grain size is 1MB
- * DDR_RGN_X - the memories of exclude DDR_RGN_0 ~ DDR_RGN_7
- *
- * DDR_RGN_0 - start address of the RGN0
- * DDR_RGN_8 - end address of the RGN0
- * DDR_RGN_1 - start address of the RGN1
- * DDR_RGN_9 - end address of the RGN1
- * ...
- * DDR_RGN_7 - start address of the RGN7
- * DDR_RGN_15 - end address of the RGN7
- * DDR_RGN_16 - bit 0 ~ 7 is bitmap for RGN0~7 secure,0: disable, 1: enable
- *              bit 8 is setting for RGNx, the rest of the memory and region
- *                which excludes RGN0~7, 0: disable, 1: enable
- *              bit 9, the global secure configuration via bypass, 0: disable
- *                bypass, 1: enable bypass
- *
- * @rgn - the DDR regions 0 ~ 7 which are can be configured.
- * The @st_mb and @ed_mb indicate the start and end addresses for which to set
- * the security, and the unit is megabyte. When the st_mb == 0, ed_mb == 0, the
- * address range 0x0 ~ 0xfffff is secure.
- *
- * For example, if we would like to set the range [0, 32MB) is security via
- * DDR_RGN0, then rgn == 0, st_mb == 0, ed_mb == 31.
- */
-static void sgrf_ddr_rgn_config(uint32_t rgn,
-				uintptr_t st, uintptr_t ed)
-{
-	uintptr_t st_mb, ed_mb;
-
-	assert(rgn <= 7);
-	assert(st < ed);
-
-	/* check aligned 1MB */
-	assert(st % SIZE_M(1) == 0);
-	assert(ed % SIZE_M(1) == 0);
-
-	st_mb = st / SIZE_M(1);
-	ed_mb = ed / SIZE_M(1);
-
-	/* set ddr region addr start */
-	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(rgn),
-		      BITS_WITH_WMASK(st_mb, SGRF_DDR_RGN_0_16_WMSK, 0));
-
-	/* set ddr region addr end */
-	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(rgn + 8),
-		      BITS_WITH_WMASK((ed_mb - 1), SGRF_DDR_RGN_0_16_WMSK, 0));
-
-	mmio_write_32(SGRF_BASE + SGRF_DDRRGN_CON0_16(16),
-		      BIT_WITH_WMSK(rgn));
-}
-
-static void secure_sgrf_ddr_rgn_init(void)
-{
-	sgrf_ddr_rgn_config(0, TZRAM_BASE, TZRAM_SIZE);
-	sgrf_ddr_rgn_global_bypass(0);
-}
+/* sleep data for pll suspend */
+static struct deepsleep_data_s slp_data;
 
 static void set_pll_slow_mode(uint32_t pll_id)
 {
@@ -502,7 +286,7 @@ void soc_global_soft_reset_init(void)
 			CRU_PMU_WDTRST_MSK | CRU_PMU_FIRST_SFTRST_MSK);
 }
 
-void  __dead2 soc_global_soft_reset(void)
+void __dead2 soc_global_soft_reset(void)
 {
 	set_pll_slow_mode(VPLL_ID);
 	set_pll_slow_mode(NPLL_ID);
@@ -527,8 +311,7 @@ void  __dead2 soc_global_soft_reset(void)
 void plat_rockchip_soc_init(void)
 {
 	secure_timer_init();
-	dma_secure_cfg(0);
-	sgrf_init();
+	secure_sgrf_init();
 	secure_sgrf_ddr_rgn_init();
 	soc_global_soft_reset_init();
 	plat_rockchip_gpio_init();

plat/rockchip/rk3399/drivers/soc/soc.h

@@ -75,7 +75,6 @@
 #define REG_SOC_WMSK			0xffff0000
 #define CLK_GATE_MASK			0x01
 
-#define SGRF_SOC_COUNT		0x17
 #define PMUCRU_GATE_COUNT	0x03
 #define CRU_GATE_COUNT		0x23
 #define PMUCRU_GATE_CON(n)	(0x100 + (n) * 4)
@@ -120,11 +119,8 @@ struct pll_div {
 
 struct deepsleep_data_s {
 	uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
-	uint32_t pmucru_clksel_con[PMUCRU_CLKSEL_CONUT];
-	uint32_t cru_clksel_con[CRU_CLKSEL_COUNT];
 	uint32_t cru_gate_con[CRU_GATE_COUNT];
 	uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
-	uint32_t sgrf_con[SGRF_SOC_COUNT];
 };
 
 /**************************************************
@@ -156,50 +152,6 @@ struct deepsleep_data_s {
 #define CYCL_24M_CNT_MS(ms)	(ms * CYCL_24M_CNT_US(1000))
 #define CYCL_32K_CNT_MS(ms)	(ms * 32)
 
-/**************************************************
- * secure timer
- **************************************************/
-
-/* chanal0~5 */
-#define STIMER0_CHN_BASE(n)	(STIME_BASE + 0x20 * (n))
-/* chanal6~11 */
-#define STIMER1_CHN_BASE(n)	(STIME_BASE + 0x8000 + 0x20 * (n))
-
- /* low 32 bits */
-#define TIMER_END_COUNT0	0x00
- /* high 32 bits */
-#define TIMER_END_COUNT1	0x04
-
-#define TIMER_CURRENT_VALUE0	0x08
-#define TIMER_CURRENT_VALUE1	0x0C
-
- /* low 32 bits */
-#define TIMER_INIT_COUNT0	0x10
- /* high 32 bits */
-#define TIMER_INIT_COUNT1	0x14
-
-#define TIMER_INTSTATUS		0x18
-#define TIMER_CONTROL_REG	0x1c
-
-#define TIMER_EN			0x1
-
-#define TIMER_FMODE		(0x0 << 1)
-#define TIMER_RMODE		(0x1 << 1)
-
-/**************************************************
- * secure WDT
- **************************************************/
-#define WDT_CM0_EN		0x0
-#define WDT_CM0_DIS		0x1
-#define WDT_CA53_EN		0x0
-#define WDT_CA53_DIS		0x1
-
-#define PCLK_WDT_CA53_GATE_SHIFT	8
-#define PCLK_WDT_CM0_GATE_SHIFT		10
-
-#define WDT_CA53_1BIT_MASK	0x1
-#define WDT_CM0_1BIT_MASK	0x1
-
 /**************************************************
  * cru reg, offset
  **************************************************/
@@ -241,67 +193,6 @@ struct deepsleep_data_s {
 #define PCLK_GPIO0_GATE_SHIFT		3
 #define PCLK_GPIO1_GATE_SHIFT		4
 
-/**************************************************
- * sgrf reg, offset
- **************************************************/
-#define SGRF_SOC_CON0_1(n)		(0xc000 + (n) * 4)
-#define SGRF_SOC_CON3_7(n)		(0xe00c + ((n) - 3) * 4)
-#define SGRF_SOC_CON8_15(n)		(0x8020 + ((n) - 8) * 4)
-#define SGRF_PMU_SLV_CON0_1(n)		(0xc240 + ((n) - 0) * 4)
-#define SGRF_SLV_SECURE_CON0_4(n)	(0xe3c0 + ((n) - 0) * 4)
-#define SGRF_DDRRGN_CON0_16(n)		((n) * 4)
-#define SGRF_DDRRGN_CON20_34(n)		(0x50 + ((n) - 20) * 4)
-
-/* security config for master */
-#define SGRF_SOC_CON_WMSK		0xffff0000
-/* All of master in ns */
-#define SGRF_SOC_ALLMST_NS		0xffff
-
-/* security config for slave */
-#define SGRF_SLV_S_WMSK			0xffff0000
-#define SGRF_SLV_S_ALL_NS		0x0
-
-/* security config pmu slave ip */
-/* All of slaves  is ns */
-#define SGRF_PMU_SLV_S_NS		BIT_WITH_WMSK(0)
-/* slaves secure attr is configed */
-#define SGRF_PMU_SLV_S_CFGED		WMSK_BIT(0)
-#define SGRF_PMU_SLV_CRYPTO1_NS		WMSK_BIT(1)
-
-#define SGRF_PMUSRAM_S			BIT(8)
-
-#define SGRF_PMU_SLV_CON1_CFG		(SGRF_SLV_S_WMSK | \
-					SGRF_PMUSRAM_S)
-/* ddr region */
-#define SGRF_DDR_RGN_0_16_WMSK		0x0fff 	/* DDR RGN 0~16 size mask */
-
-#define SGRF_DDR_RGN_DPLL_CLK	BIT_WITH_WMSK(15) /* DDR PLL output clock */
-#define SGRF_DDR_RGN_RTC_CLK	BIT_WITH_WMSK(14) /* 32K clock for DDR PLL */
-#define SGRF_DDR_RGN_BYPS	BIT_WITH_WMSK(9) /* All of ddr rgn  is ns */
-/* All security of the DDR RGNs are not bypass  */
-#define SGRF_DDR_RGN_NO_BYPS	WMSK_BIT(9)
-
-/* The MST access the ddr rgn n with secure attribution */
-#define SGRF_L_MST_S_DDR_RGN(n)	BIT_WITH_WMSK((n))
-/* bits[16:8]*/
-#define SGRF_H_MST_S_DDR_RGN(n)	BIT_WITH_WMSK((n) + 8)
-
-/* dmac to periph s or ns*/
-#define SGRF_DMAC_CFG_S		0xffff0000
-
-#define DMAC1_RGN_NS			0xff000000
-#define DMAC0_RGN_NS			0x00ff0000
-
-#define DMAC0_BOOT_CFG_NS		0xfffffff8
-#define DMAC0_BOOT_PERIPH_NS		0xffff0fff
-#define DMAC0_BOOT_ADDR_NS		0xffff0000
-
-#define DMAC1_BOOT_CFG_NS		0xffff0008
-#define DMAC1_BOOT_PERIPH_L_NS		0xffff0fff
-#define DMAC1_BOOT_ADDR_NS		0xffff0000
-#define DMAC1_BOOT_PERIPH_H_NS		0xffffffff
-#define DMAC1_BOOT_IRQ_NS		0xffffffff
-
 #define CPU_BOOT_ADDR_WMASK	0xffff0000
 #define CPU_BOOT_ADDR_ALIGN	16
 
@@ -333,12 +224,6 @@ struct deepsleep_data_s {
 #define PMUCRU_CLKGATE_CON2	0x0108
 #define PMUCRU_SOFTRST_CON0	0x0110
 #define PMUCRU_GATEDIS_CON0 0x0130
-
-#define SGRF_SOC_CON6     0x0e018
-#define SGRF_PERILP_CON0	0x08100
-#define SGRF_PERILP_CON(n)	(SGRF_PERILP_CON0 + (n) * 4)
-#define SGRF_PMU_CON0	0x0c100
-#define SGRF_PMU_CON(n)   (SGRF_PMU_CON0 + (n) * 4)
 #define PMUCRU_SOFTRST_CON(n)   (PMUCRU_SOFTRST_CON0 + (n) * 4)
 
 /*
@@ -362,10 +247,8 @@ static inline void pmu_sgrf_rst_hld(void)
 		      CRU_PMU_SGRF_RST_HOLD);
 }
 
-/* funciton*/
+/* export related and operating SoC APIs */
 void __dead2 soc_global_soft_reset(void);
-void secure_watchdog_disable();
-void secure_watchdog_restore();
 void disable_dvfs_plls(void);
 void disable_nodvfs_plls(void);
 void enable_dvfs_plls(void);
@@ -376,5 +259,5 @@ void restore_dpll(void);
 void clk_gate_con_save(void);
 void clk_gate_con_disable(void);
 void clk_gate_con_restore(void);
-void sgrf_init(void);
+
 #endif /* __SOC_H__ */

plat/rockchip/rk3399/platform.mk

@@ -39,6 +39,7 @@ PLAT_INCLUDES		:=	-I${RK_PLAT_COMMON}/			\
 				-I${RK_PLAT_SOC}/			\
 				-I${RK_PLAT_SOC}/drivers/pmu/		\
 				-I${RK_PLAT_SOC}/drivers/pwm/		\
+				-I${RK_PLAT_SOC}/drivers/secure/	\
 				-I${RK_PLAT_SOC}/drivers/soc/		\
 				-I${RK_PLAT_SOC}/drivers/dram/		\
 				-I${RK_PLAT_SOC}/include/		\
@@ -80,6 +81,7 @@ BL31_SOURCES	+=	${RK_GIC_SOURCES}				\
 			${RK_PLAT_SOC}/drivers/pmu/pmu_fw.c		\
 			${RK_PLAT_SOC}/drivers/pmu/m0_ctl.c		\
 			${RK_PLAT_SOC}/drivers/pwm/pwm.c		\
+			${RK_PLAT_SOC}/drivers/secure/secure.c		\
 			${RK_PLAT_SOC}/drivers/soc/soc.c		\
 			${RK_PLAT_SOC}/drivers/dram/dfs.c		\
 			${RK_PLAT_SOC}/drivers/dram/dram.c		\