Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9985
-gerrit
commit 8a4a9c45916aa692e0440540e2b7b1654cba6a1f Author: Corneliu Doban cdoban@broadcom.com Date: Fri Apr 10 15:51:55 2015 -0700
Cygnus: add TrustZone functions and set everything non-secure in bootblock
To allow an OS to run in non-secure mode: - Set all peripherals and system components non-secure except SOTP and TZPC. - Set all memory non-secure (ROM, SRAM, DDR, flash). - Enable A9 access to entire M0 address space except M0 ROM.
BUG=chrome-os-partner:37533 BRANCH=broadcom-firmware TEST=boot kernel from usb stick
Change-Id: I3bbd288863923011ff1413be353ac4b178ffdd07 Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 6de56bbe73ed8d87ad572da711a193985ee68e3a Original-Signed-off-by: Corneliu Doban cdoban@broadcom.com Original-Reviewed-on: https://chrome-internal-review.googlesource.com/212735 Original-Reviewed-by: Daisuke Nojiri dnojiri@google.com Original-Commit-Queue: Daisuke Nojiri dnojiri@google.com Original-Tested-by: Daisuke Nojiri dnojiri@google.com Original-Change-Id: Ibac7de03a72a98fbd95659d0113833049b4871a5 Original-Reviewed-on: https://chromium-review.googlesource.com/266593 Original-Reviewed-by: Daisuke Nojiri dnojiri@chromium.org Original-Tested-by: Daisuke Nojiri dnojiri@chromium.org Original-Commit-Queue: Daisuke Nojiri dnojiri@chromium.org Original-Trybot-Ready: Daisuke Nojiri dnojiri@chromium.org --- src/soc/broadcom/cygnus/Makefile.inc | 1 + src/soc/broadcom/cygnus/hw_init.c | 228 +++++++++++++----------- src/soc/broadcom/cygnus/include/soc/tz.h | 226 ++++++++++++++++++++++++ src/soc/broadcom/cygnus/tz.c | 287 +++++++++++++++++++++++++++++++ 4 files changed, 643 insertions(+), 99 deletions(-)
diff --git a/src/soc/broadcom/cygnus/Makefile.inc b/src/soc/broadcom/cygnus/Makefile.inc index edeb687..4e09bed 100644 --- a/src/soc/broadcom/cygnus/Makefile.inc +++ b/src/soc/broadcom/cygnus/Makefile.inc @@ -21,6 +21,7 @@ bootblock-y += bootblock.c bootblock-y += cbmem.c bootblock-y += i2c.c bootblock-y += timer.c +bootblock-y += tz.c bootblock-y += hw_init.c bootblock-$(CONFIG_SPI_FLASH) += spi.c ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y) diff --git a/src/soc/broadcom/cygnus/hw_init.c b/src/soc/broadcom/cygnus/hw_init.c index 12adf66..610ec6c 100644 --- a/src/soc/broadcom/cygnus/hw_init.c +++ b/src/soc/broadcom/cygnus/hw_init.c @@ -18,75 +18,139 @@ #include <arch/io.h> #include <delay.h> #include <console/console.h> +#include <soc/tz.h> #include <soc/hw_init.h>
/***************************************************************************** * TrustZone *****************************************************************************/ -#define TZPC_TZPCDECPROT0SET 0x18034804 -#define TZPC_TZPCDECPROT0CLR 0x18034808 -#define TZPC_TZPCDECPROT1SET 0x18034810 -#define TZPC_TZPCDECPROT1CLR 0x18034814 -#define TZPC_TZPCDECPROT2SET 0x1803481c -#define TZPC_TZPCDECPROT2CLR 0x18034820 - -#define TZPCDECPROT0_MASK 0x000000FF -#define TZPCDECPROT1_MASK 0x000000FF -#define TZPCDECPROT2_MASK 0x000000FF - -#define TZ_STATE_SECURE 0 -#define TZ_STATE_NON_SECURE 1 - -#define CYGNUS_M_PCIE0_M0 0x00000003 -#define CYGNUS_M_PCIE1_M0 0x0000000c -#define CYGNUS_M_CMICD_M0 0x00000030 -#define CYGNUS_M_EXT_M0 0x000000c0 - -#define CYGNUS_M_EXT_M1 (0x00000003 << 8) -#define CYGNUS_M_SDIO_M0 (0x0000000c << 8) -#define CYGNUS_M_SDIO_M1 (0x00000030 << 8) -#define CYGNUS_M_AMAC_M0 (0x000000c0 << 8) - -#define CYGNUS_M_AMAC_M1 (0x00000003 << 16) -#define CYGNUS_M_USB2H_M0 (0x0000000c << 16) -#define CYGNUS_M_USB2D_M0 (0x00000030 << 16) -#define CYGNUS_M_A9JTAG_M0 (0x000000c0 << 16) - -#define IPROC_M_PCIE (CYGNUS_M_PCIE0_M0 | CYGNUS_M_PCIE1_M0) -#define IPROC_M_EXT (CYGNUS_M_EXT_M0 | CYGNUS_M_EXT_M1) -#define IPROC_M_SDIO (CYGNUS_M_SDIO_M0 | CYGNUS_M_SDIO_M1) -#define IPROC_M_AMAC (CYGNUS_M_AMAC_M0 | CYGNUS_M_AMAC_M1) -#define IPROC_M_USB (CYGNUS_M_USB2H_M0 | CYGNUS_M_USB2D_M0) -#define IPROC_M_CMICD (CYGNUS_M_CMICD_M0) - -static void tz_set_masters_security(uint32_t masters, uint32_t ns_bit) +#define IHOST_SCU_SECURE_ACCESS 0x19020054 + +#define SMAU_NIC_IDM_TZ_BASE 0x180150a0 +#define SMAU_DDR_TZ_BASE 0x18015200 +#define SMAU_FLASH0_TZ_BASE 0x18015300 +#define SMAU_FLASH1_TZ_BASE 0x18015308 +#define SMAU_FLASH2_TZ_BASE 0x18015310 +#define SMAU_FLASH3_TZ_BASE 0x18015318 +#define SMAU_TZ_BASE_ENABLE 0x00000001 + +#define CRMU_IPROC_ADDR_RANGE0_LOW 0x03024c30 +#define CRMU_IPROC_ADDR_RANGE0_HIGH 0x03024c34 +#define CRMU_ADDR_MASK 0xffffff00 +#define CRMU_ADDR_VALID 0x00000001 +#define CRMU_ADDR_START 0x03010000 +#define CRMU_ADDR_END 0x03100000 + +static void scu_ns_config(void) { - uint32_t val = 0; - - /* Check any TZPCDECPROT0 is set and then write to TZPCDECPROT0 */ - if (masters & TZPCDECPROT0_MASK) { - val = masters & TZPCDECPROT0_MASK; - if (ns_bit) - write32((void *)TZPC_TZPCDECPROT0SET, val); - else - write32((void *)TZPC_TZPCDECPROT0CLR, val); - } - /* Check any TZPCDECPROT1 is set and then write to TZPCDECPROT1 */ - if ((masters >> 8) & TZPCDECPROT1_MASK) { - val = (masters >> 8) & TZPCDECPROT1_MASK; - if (ns_bit) - write32((void *)TZPC_TZPCDECPROT1SET, val); - else - write32((void *)TZPC_TZPCDECPROT1CLR, val); - } - /* Check any TZPCDECPROT2 is set and then write to TZPCDECPROT2 */ - if ((masters >> 16) & TZPCDECPROT2_MASK) { - val = (masters >> 16) & TZPCDECPROT2_MASK; - if (ns_bit) - write32((void *)TZPC_TZPCDECPROT2SET, val); - else - write32((void *)TZPC_TZPCDECPROT2CLR, val); - } + /* + * Enable NS SCU access to ARM global timer, private timer, and + * components + */ + write32((void *)IHOST_SCU_SECURE_ACCESS, 0xFFF); +} + +static void smau_ns_config(void) +{ + unsigned int val; + + /* Disable SMAU NIC IDM TZ */ + val = read32((void *)SMAU_NIC_IDM_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_NIC_IDM_TZ_BASE, val); + + /* + * Disable DDR TZ base + * + * This means the entire DDR is marked as NONSECURE (NS) + * + * NOTE: In the future, multiple regions of DDR may need to be marked + * as SECURE for secure OS and other TZ usages + */ + val = read32((void *)SMAU_DDR_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_DDR_TZ_BASE, val); + + + /* + * Disable flash TZ support + * + * The entire flash is currently marked as NS + * + * NOTE: In the future, multiple regions of flash may need to be marked + * as SECURE for secure OS and other TZ firmware/data storage + */ + + /* Flash 0: ROM */ + val = read32((void *)SMAU_FLASH0_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_FLASH0_TZ_BASE, val); + + /* Flash 1: QSPI */ + val = read32((void *)SMAU_FLASH1_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_FLASH1_TZ_BASE, val); + + /* Flash 2: NAND */ + val = read32((void *)SMAU_FLASH2_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_FLASH2_TZ_BASE, val); + + /* Flash 3: PNOR */ + val = read32((void *)SMAU_FLASH3_TZ_BASE); + val &= ~SMAU_TZ_BASE_ENABLE; + write32((void *)SMAU_FLASH3_TZ_BASE, val); +} + +static void crmu_ns_config(void) +{ + + /* + * Currently opens up the entire CRMU to allow iPROC NS access + * + * NOTE: In the future, we might want to protect particular CRMU + * sub-blocks to allow SECURE access only. That can be done by + * programing the CRMU IPROC address range registers. Up to 4 access + * windows can be created + */ + write32((void *)CRMU_IPROC_ADDR_RANGE0_LOW, + (CRMU_ADDR_START & CRMU_ADDR_MASK) | CRMU_ADDR_VALID); + write32((void *)CRMU_IPROC_ADDR_RANGE0_HIGH, + (CRMU_ADDR_END & CRMU_ADDR_MASK) | CRMU_ADDR_VALID); +} + +static void tz_init(void) +{ + /* Configure the Cygnus for non-secure access */ + /* ARM Cortex A9 SCU NS access configuration */ + scu_ns_config(); + + /* SMAU NS related configurations */ + smau_ns_config(); + + /* CRMU NS related configurations */ + crmu_ns_config(); + + /* + * Configure multiple masters and slaves to run in NS + */ + tz_set_non_virtual_slaves_security(0xFFFFFFFF, TZ_STATE_NON_SECURE); + tz_set_periph_security(0xFFFFFFFF, TZ_STATE_NON_SECURE); + tz_set_masters_security(0xFFFFFFFF, TZ_STATE_NON_SECURE); + tz_set_wrapper_security(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, + TZ_STATE_NON_SECURE); + tz_set_cfg_slaves_security(0xFFFFFFFF, TZ_STATE_NON_SECURE); + + tz_set_ext_slaves_security(0xFFFFFFFF, TZ_STATE_NON_SECURE); + + /* configure sec peripherals to be accessed from non-secure world */ + tz_set_sec_periphs_security(0xFFFFFFFF & + ~(CYGNUS_sec_periph_APBz_sotp | + CYGNUS_sec_periph_APBz_tzpc), + TZ_STATE_NON_SECURE); + + /* default sram to non-secure */ + tz_set_sram_sec_region(0); }
/***************************************************************************** @@ -350,10 +414,6 @@ static void ccu_init(void) /***************************************************************************** * LCD *****************************************************************************/ -#define ASIU_TOP_LCD_AXI_SB_CTRL 0x180aa02c -#define ASIU_TOP_LCD_AXI_SB_CTRL_LCD_ARPROT_MASK 0x03800000 -#define ASIU_TOP_LCD_AXI_SB_CTRL_LCD_HPROT_NON_SECURE 0x40000000 - #define ASIU_TOP_CLK_GATING_CTRL 0x180aa024 #define ASIU_TOP_CLK_GATING_CTRL_LCD_CLK_GATE_EN 0x00000010 #define ASIU_TOP_CLK_GATING_CTRL_MIPI_DSI_CLK_GATE_EN 0x00000008 @@ -364,12 +424,6 @@ static void lcd_init(void) { unsigned int val;
- val = read32((void *)ASIU_TOP_LCD_AXI_SB_CTRL); - /* set LCD_ARPROT and LCD_HPROT_NON_SECURE to 0 */ - val &= ~(ASIU_TOP_LCD_AXI_SB_CTRL_LCD_ARPROT_MASK | - ASIU_TOP_LCD_AXI_SB_CTRL_LCD_HPROT_NON_SECURE); - write32((void *)ASIU_TOP_LCD_AXI_SB_CTRL, val); - /* make sure the LCD clock is ungated */ val = read32((void *)ASIU_TOP_CLK_GATING_CTRL); val |= ASIU_TOP_CLK_GATING_CTRL_LCD_CLK_GATE_EN; @@ -423,22 +477,10 @@ static void lcd_qos_init(unsigned int qos) /***************************************************************************** * V3D *****************************************************************************/ -#define ASIU_TOP_GFX_AXI_SB_CTRL 0x180aa034 -#define ASIU_TOP_GFX_AXI_SB_CTRL_GFX_ARPROT_MASK 0x03800000 -#define ASIU_TOP_GFX_AXI_SB_CTRL_GFX_AWPROT_MASK 0x00700000 - static void v3d_init(void) { unsigned int val;
- val = read32((void *)ASIU_TOP_GFX_AXI_SB_CTRL); - /* - * set both GFX_ARPROT and GFX_AWPROT to 0 - */ - val &= ~(ASIU_TOP_GFX_AXI_SB_CTRL_GFX_ARPROT_MASK | - ASIU_TOP_GFX_AXI_SB_CTRL_GFX_AWPROT_MASK); - write32((void *)ASIU_TOP_GFX_AXI_SB_CTRL, val); - /* make sure the V3D clock is ungated */ val = read32((void *)ASIU_TOP_CLK_GATING_CTRL); val |= ASIU_TOP_CLK_GATING_CTRL_MIPI_DSI_CLK_GATE_EN | @@ -455,10 +497,6 @@ static void v3d_init(void) #define CRMU_PLL_AON_CTRL_ASIU_AUDIO_GENPLL_PWRON_LDO 0x00000200 #define CRMU_PLL_AON_CTRL_ASIU_AUDIO_GENPLL_ISO_IN 0x00000100
-#define ASIU_TOP_AUD_AXI_SB_CTRL 0x180aa028 -#define ASIU_TOP_AUD_AXI_SB_CTRL_AUD_ARPROT_MASK 0x03800000 -#define ASIU_TOP_AUD_AXI_SB_CTRL_AUD_AWPROT_MASK 0x00700000 - static void audio_init(void) { unsigned int val; @@ -475,12 +513,6 @@ static void audio_init(void) val |= CRMU_PLL_AON_CTRL_ASIU_AUDIO_GENPLL_PWRON_PLL; val &= ~CRMU_PLL_AON_CTRL_ASIU_AUDIO_GENPLL_ISO_IN; write32((void *)CRMU_PLL_AON_CTRL, val); - - /* Clear AWPROT and ARPROT signals to audio block. */ - val = read32((void *)ASIU_TOP_AUD_AXI_SB_CTRL); - val &= ~(ASIU_TOP_AUD_AXI_SB_CTRL_AUD_AWPROT_MASK | - ASIU_TOP_AUD_AXI_SB_CTRL_AUD_ARPROT_MASK); - write32((void *)ASIU_TOP_AUD_AXI_SB_CTRL, val); }
/***************************************************************************** @@ -707,12 +739,10 @@ static void sdio_init(void)
void hw_init(void) { - tz_set_masters_security(IPROC_M_PCIE | IPROC_M_EXT | IPROC_M_SDIO | - IPROC_M_AMAC | IPROC_M_USB | IPROC_M_CMICD, - TZ_STATE_SECURE); + tz_init(); printk(BIOS_INFO, "trustzone initialized\n"); dmac_init(); - printk(BIOS_INFO, "PL022 DMAC initialized\n"); + printk(BIOS_INFO, "PL330 DMAC initialized\n"); lcd_init(); lcd_qos_init(15); printk(BIOS_INFO, "LCD initialized\n"); diff --git a/src/soc/broadcom/cygnus/include/soc/tz.h b/src/soc/broadcom/cygnus/include/soc/tz.h new file mode 100644 index 0000000..cb9ae63 --- /dev/null +++ b/src/soc/broadcom/cygnus/include/soc/tz.h @@ -0,0 +1,226 @@ +/* + * Copyright (C) 2015 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __SOC_BROADCOM_CYGNUS_TZ_H__ +#define __SOC_BROADCOM_CYGNUS_TZ_H__ + +#define TZ_STATE_SECURE 0 +#define TZ_STATE_NON_SECURE 1 + +/* + * Masters (for parameter masters in "tz_set_masters_security") + */ +#define CYGNUS_M_Pcie0_m0 0x00000003 +#define CYGNUS_M_Pcie1_m0 0x0000000c +#define CYGNUS_M_cmicd_m0 0x00000030 +#define CYGNUS_M_ext_m0 0x000000c0 + +#define CYGNUS_M_ext_m1 (0x00000003 << 8) +#define CYGNUS_M_sdio_m0 (0x0000000c << 8) +#define CYGNUS_M_sdio_m1 (0x00000030 << 8) +#define CYGNUS_M_amac_m0 (0x000000c0 << 8) + +#define CYGNUS_M_amac_m1 (0x00000003 << 16) +#define CYGNUS_M_usb2h_m0 (0x0000000c << 16) +#define CYGNUS_M_usb2d_m0 (0x00000030 << 16) +#define CYGNUS_M_a9jtag_m0 (0x000000c0 << 16) + +/* + * Non virtual slaves (for parameter slave_vector in "tz_set_non_virtual_slaves_security") + * Note: the order has to match the order in non_virtual_slave_regs[] array from tz.c + */ +#define CYGNUS_S_Ihost_acp (0x1 << 0) +#define CYGNUS_S_PCIe0_s0 (0x1 << 1) +#define CYGNUS_S_PCIe1_s0 (0x1 << 2) +#define CYGNUS_S_ihost_s0 (0x1 << 3) +#define CYGNUS_S_A9jtag_s0 (0x1 << 4) +#define CYGNUS_S_CMICd_s0 (0x1 << 5) +#define CYGNUS_S_mhost0_s0 (0x1 << 6) +#define CYGNUS_S_mhost1_s0 (0x1 << 7) +#define CYGNUS_S_Crypto_s0 (0x1 << 8) +#define CYGNUS_S_DMU_s0 (0x1 << 9) + +/* + * Peripherals (for parameter slave_vector in "tz_set_periph_security") + */ +#define CYGNUS_periph_APBx_DMU 0x00008000 +#define CYGNUS_periph_APBx_cru 0x00004000 +#define CYGNUS_periph_APBx_ccg_smbus1 0x00000800 +#define CYGNUS_periph_APBx_ccg_gpio 0x00000400 +#define CYGNUS_periph_APBx_ccg_watchdog 0x00000200 +#define CYGNUS_periph_APBx_ccg_smbus0 0x00000100 +#define CYGNUS_periph_APBx_ccg_srab 0x00000080 +#define CYGNUS_periph_APBx_ccg_timer3 0x00000040 +#define CYGNUS_periph_APBx_ccg_timer2 0x00000020 +#define CYGNUS_periph_APBx_ccg_timer1 0x00000010 +#define CYGNUS_periph_APBx_ccg_timer0 0x00000008 +#define CYGNUS_periph_APBx_ccg_mdio 0x00000004 +#define CYGNUS_periph_APBx_ccg_pwm 0x00000002 +#define CYGNUS_periph_APBx_icfg 0x00000001 + +#define CYGNUS_periph_APBy_ccg_spi5 (0x00002000 << 16) +#define CYGNUS_periph_APBy_ccg_spi4 (0x00001000 << 16) +#define CYGNUS_periph_APBy_ccg_spi3 (0x00000800 << 16) +#define CYGNUS_periph_APBy_ccg_spi2 (0x00000400 << 16) +#define CYGNUS_periph_APBy_ccg_spi1 (0x00000200 << 16) +#define CYGNUS_periph_APBy_ccg_spi0 (0x00000100 << 16) +#define CYGNUS_periph_APBy_ccg_uart4 (0x00000010 << 16) +#define CYGNUS_periph_APBy_ccg_uart3 (0x00000008 << 16) +#define CYGNUS_periph_APBy_ccg_uart2 (0x00000004 << 16) +#define CYGNUS_periph_APBy_ccg_uart1 (0x00000002 << 16) +#define CYGNUS_periph_APBy_ccg_uart0 (0x00000001 << 16) + +/* + * Sececure Peripherals (for parameter slave_vector in "tz_set_sec_periphs_security") + */ +#define CYGNUS_sec_periph_APBz_sotp 0x00000020 +#define CYGNUS_sec_periph_APBz_tzpc 0x00000010 +#define CYGNUS_sec_periph_APBz_ccg_wdog 0x00000008 +#define CYGNUS_sec_periph_APBz_ccs_rng 0x00000004 +#define CYGNUS_sec_periph_APBz_ccs_pka 0x00000002 +#define CYGNUS_sec_periph_APBz_ccs_gpio 0x00000001 + +/* + * Cfg Slaves (for parameter slave_vector in "tz_set_cfg_slaves_security") + */ +#define CYGNUS_cfg_slv_APBr_mhost0 0x00004000 +#define CYGNUS_cfg_slv_APBr_dma_s1 0x00000200 +#define CYGNUS_cfg_slv_APBr_dma_s0 0x00000100 +#define CYGNUS_cfg_slv_APBr_acpal 0x00000040 +#define CYGNUS_cfg_slv_APBr_smau 0x00000020 +#define CYGNUS_cfg_slv_APBr_pcie1 0x00000008 +#define CYGNUS_cfg_slv_APBr_pcie0 0x00000004 +#define CYGNUS_cfg_slv_APBr_ddr 0x00000001 + +#define CYGNUS_cfg_slv_APBs_sram (0x00004000 << 16) +#define CYGNUS_cfg_slv_APBs_usb2d (0x00001000 << 16) +#define CYGNUS_cfg_slv_APBs_amac1 (0x00000400 << 16) +#define CYGNUS_cfg_slv_APBs_usb2h_apb2 (0x00000200 << 16) +#define CYGNUS_cfg_slv_APBs_usb2h_apb1 (0x00000100 << 16) +#define CYGNUS_cfg_slv_APBs_qspi (0x00000080 << 16) +#define CYGNUS_cfg_slv_APBs_nand (0x00000040 << 16) +#define CYGNUS_cfg_slv_APBs_nor (0x00000020 << 16) +#define CYGNUS_cfg_slv_APBs_sdio1 (0x00000008 << 16) +#define CYGNUS_cfg_slv_APBs_amac0 (0x00000004 << 16) +#define CYGNUS_cfg_slv_APBs_sdio0 (0x00000002 << 16) + +/* + * Wrapper1 (for parameter wrapper1 in "tz_set_wrapper_security") + */ +#define CYGNUS_APB_W1_wrp_master_ihost_m0 0x00000001 +#define CYGNUS_APB_W1_wrp_master_pcie0_m0 0x00000002 +#define CYGNUS_APB_W1_wrp_master_pcie1_m0 0x00000004 +#define CYGNUS_APB_W1_wrp_master_cmicd_m0 0x00000008 +#define CYGNUS_APB_W1_wrp_master_mhost0_m0 0x00000010 +#define CYGNUS_APB_W1_wrp_master_mhost1_m0 0x00000020 +#define CYGNUS_APB_W1_wrp_slave_ihost_acp 0x00000040 +#define CYGNUS_APB_W1_wrp_slave_ihost_s0 0x00000080 +#define CYGNUS_APB_W1_wrp_slave_pcie0_s0 0x00000100 +#define CYGNUS_APB_W1_wrp_slave_pcie1_s0 0x00000200 +#define CYGNUS_APB_W1_wrp_slave_cmicd_s0 0x00000400 +#define CYGNUS_APB_W1_wrp_slave_smau_s0 0x00000800 +#define CYGNUS_APB_W1_wrp_slave_mhost0_s0 0x00001000 +#define CYGNUS_APB_W1_wrp_slave_mhost1_s0 0x00002000 +#define CYGNUS_APB_W1_wrp_slave_apbr 0x00004000 +#define CYGNUS_APB_W1_wrp_master_dma_m0 0x00008000 + +/* + * Wrapper2 (for parameter wrapper2 in "tz_set_wrapper_security") + */ +#define CYGNUS_APB_W2_wrp_ds_ds_2 0x00000008 +#define CYGNUS_APB_W2_sdrom 0x00000004 +#define CYGNUS_APB_W2_wrp_ds_ds_1 0x00000002 +#define CYGNUS_APB_W2_wrp_ds_ds_0 0x00000001 + +/* + * Wrapper3 (for parameter wrapper3 in "tz_set_wrapper_security") + */ +#define CYGNUS_APB_W3_wrp_master_amac_m1 0x00002000 +#define CYGNUS_APB_W3_wrp_ds_ds_3 0x00001000 +#define CYGNUS_APB_W3_wrp_slave_apbs 0x00000800 +#define CYGNUS_APB_W3_wrp_slave_sram_s0 0x00000400 +#define CYGNUS_APB_W3_wrp_master_sdio_m1 0x00000200 +#define CYGNUS_APB_W3_wrp_slave_a9jtag_s0 0x00000100 +#define CYGNUS_APB_W3_wrp_slave_crypto_s0 0x00000080 +#define CYGNUS_APB_W3_wrp_master_usb2h_m0 0x00000040 +#define CYGNUS_APB_W3_wrp_master_a9jtag_m0 0x00000020 +#define CYGNUS_APB_W3_wrp_master_ext_m1 0x00000010 +#define CYGNUS_APB_W3_wrp_master_sdio_m0 0x00000008 +#define CYGNUS_APB_W3_wrp_master_ext_m0 0x00000004 +#define CYGNUS_APB_W3_wrp_master_usb2d_m0 0x00000002 +#define CYGNUS_APB_W3_wrp_master_amac_m0 0x00000001 + +/* + * Wrapper4 (for parameter wrapper4 in "tz_set_wrapper_security") + */ +#define CYGNUS_APB_W4_wrp_slave_ext_s1 0x00000040 +#define CYGNUS_APB_W4_wrp_slave_dmu_s0 0x00000020 +#define CYGNUS_APB_W4_wrp_slave_ext_s0 0x00000010 +#define CYGNUS_APB_W4_wrp_master_dmu_m0 0x00000008 +#define CYGNUS_APB_W4_wrp_slave_apbz 0x00000004 +#define CYGNUS_APB_W4_wrp_slave_apby 0x00000002 +#define CYGNUS_APB_W4_wrp_slave_apbx 0x00000001 + +/* + * Ext Slaves (for parameter slave_vector in "tz_set_ext_slaves_security") + */ +#define CYGNUS_AXIIC_ext_s0_slave_0 0x00000001 /* LCD */ +#define CYGNUS_AXIIC_ext_s0_slave_1 0x00000002 /* Camera */ +#define CYGNUS_AXIIC_ext_s0_slave_2 0x00000004 +#define CYGNUS_AXIIC_ext_s0_slave_3 0x00000008 /* Smartcard */ +#define CYGNUS_AXIIC_ext_s0_slave_4 0x00000010 /* S-GPIO */ +#define CYGNUS_AXIIC_ext_s0_slave_5 0x00000020 /* GPIO */ +#define CYGNUS_AXIIC_ext_s0_slave_6 0x00000040 /* ADC_APB */ +#define CYGNUS_AXIIC_ext_s0_slave_7 0x00000080 +#define CYGNUS_AXIIC_ext_s0_slave_8 0x00000100 /* GFX_S0 */ +#define CYGNUS_AXIIC_ext_s0_slave_9 0x00000200 /* MIPI */ +#define CYGNUS_AXIIC_ext_s0_slave_10 0x00000400 /* ASIU_TOP */ +#define CYGNUS_AXIIC_ext_s0_slave_11 0x00000800 /* D1W */ +#define CYGNUS_AXIIC_ext_s0_slave_12 0x00001000 /* Keypad */ +#define CYGNUS_AXIIC_ext_s0_slave_13 0x00002000 /* Keypad */ +#define CYGNUS_AXIIC_ext_s0_slave_14 0x00004000 /* Audio */ +#define CYGNUS_AXIIC_ext_s0_slave_15 0x00008000 + +#define CYGNUS_AXIIC_ext_s1_slave_0 (0x00000001 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_1 (0x00000002 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_2 (0x00000004 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_3 (0x00000008 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_4 (0x00000010 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_5 (0x00000020 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_6 (0x00000040 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_7 (0x00000080 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_8 (0x00000100 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_9 (0x00000200 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_10 (0x00000400 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_11 (0x00000800 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_12 (0x00001000 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_13 (0x00002000 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_14 (0x00004000 << 16) +#define CYGNUS_AXIIC_ext_s1_slave_15 (0x00008000 << 16) + +void tz_set_masters_security(uint32_t masters, uint32_t ns_bit); +void tz_set_wrapper_security(uint32_t wrapper1, uint32_t wrapper2, + uint32_t wrapper3, uint32_t wrapper4, + uint32_t ns_bit); +void tz_set_cfg_slaves_security(uint32_t slave_vector, uint32_t ns_bit); +void tz_set_sec_periphs_security(uint32_t slave_vector, uint32_t ns_bit); +void tz_set_periph_security(uint32_t slave_vector, uint32_t ns_bit); +void tz_set_non_virtual_slaves_security(uint32_t slave_vector, uint32_t ns_bit); +void tz_set_sram_sec_region(uint32_t r0size); +void tz_set_ext_slaves_security(uint32_t slave_vector, uint32_t ns_bit); + +#endif diff --git a/src/soc/broadcom/cygnus/tz.c b/src/soc/broadcom/cygnus/tz.c new file mode 100644 index 0000000..e35669b --- /dev/null +++ b/src/soc/broadcom/cygnus/tz.c @@ -0,0 +1,287 @@ +/* + * Copyright (C) 2015 Broadcom Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <soc/tz.h> + +#define TZPC_TZPCR0SIZE 0x18034000 +#define TZPC_TZPCR0SIZE_MASK 0x000003ff + +#define TZPC_TZPCDECPROT0SET 0x18034804 +#define TZPC_TZPCDECPROT0CLR 0x18034808 +#define TZPC_TZPCDECPROT1SET 0x18034810 +#define TZPC_TZPCDECPROT1CLR 0x18034814 +#define TZPC_TZPCDECPROT2SET 0x1803481c +#define TZPC_TZPCDECPROT2CLR 0x18034820 + +#define TZPCDECPROT0_MASK 0x000000FF +#define TZPCDECPROT1_MASK 0x000000FF +#define TZPCDECPROT2_MASK 0x000000FF + +#define AXIIC_Ihost_acp_security 0x1a000008 +#define AXIIC_PCIe0_s0_security 0x1a000010 +#define AXIIC_PCIe1_s0_security 0x1a000014 +#define AXIIC_APBY_s0_security 0x1a00002c +#define AXIIC_APBZ_s0_security 0x1a000030 +#define AXIIC_APBX_s0_security 0x1a000034 +#define AXIIC_ihost_s0_security 0x1a000038 +#define AXIIC_A9jtag_s0_security 0x1a00003c +#define AXIIC_APB_W1_security 0x1a000040 +#define AXIIC_APB_W2_security 0x1a000044 +#define AXIIC_APB_W3_security 0x1a000048 +#define AXIIC_APB_W4_security 0x1a00004c +#define AXIIC_APBR_s0_security 0x1a00006c +#define AXIIC_APBS_s0_security 0x1a000070 +#define AXIIC_CMICd_s0_security 0x1a000074 +#define AXIIC_mhost0_s0_security 0x1a000078 +#define AXIIC_mhost1_s0_security 0x1a00007c +#define AXIIC_Crypto_s0_security 0x1a000080 +#define AXIIC_DMU_s0_security 0x1a000084 +#define AXIIC_ext_s0_security 0x1a000088 +#define AXIIC_ext_s1_security 0x1a00008c + +#define AXIIC_APBY_s0_security_MASK 0x00003f1f +#define AXIIC_APBZ_s0_security_MASK 0x0000003f +#define AXIIC_APBX_s0_security_MASK 0x0000cfff +#define AXIIC_ext_s0_security_MASK 0xffffffff +#define AXIIC_ext_s1_security_MASK 0xffffffff +#define AXIIC_APBR_s0_security_MASK 0x0000436d +#define AXIIC_APBS_s0_security_MASK 0x000057ee +#define AXIIC_APB_W1_security_MASK 0x0000ffff +#define AXIIC_APB_W2_security_MASK 0x0000000f +#define AXIIC_APB_W3_security_MASK 0x00003fff +#define AXIIC_APB_W4_security_MASK 0x0000007f + +/* + * Note: the order need to match corresponding definitions for + * non virtual slave slave_vector in tz.h + */ +static uint32_t non_virtual_slave_regs[] = { + AXIIC_Ihost_acp_security, + AXIIC_PCIe0_s0_security, + AXIIC_PCIe1_s0_security, + AXIIC_ihost_s0_security, + AXIIC_A9jtag_s0_security, + AXIIC_CMICd_s0_security, + AXIIC_mhost0_s0_security, + AXIIC_mhost1_s0_security, + AXIIC_Crypto_s0_security, + AXIIC_DMU_s0_security +}; + +/* + * Set master security. + * Use defines in tz.h for both parameters. + */ +void tz_set_masters_security(uint32_t masters, uint32_t ns_bit) +{ + uint32_t val; + + /* Check any TZPCDECPROT0 is set and then write to TZPCDECPROT0 */ + if (masters & TZPCDECPROT0_MASK) { + val = masters & TZPCDECPROT0_MASK; + if (ns_bit) + write32((void *)TZPC_TZPCDECPROT0SET, val); + else + write32((void *)TZPC_TZPCDECPROT0CLR, val); + } + /* Check any TZPCDECPROT1 is set and then write to TZPCDECPROT1 */ + if ((masters >> 8) & TZPCDECPROT1_MASK) { + val = (masters >> 8) & TZPCDECPROT1_MASK; + if (ns_bit) + write32((void *)TZPC_TZPCDECPROT1SET, val); + else + write32((void *)TZPC_TZPCDECPROT1CLR, val); + } + /* Check any TZPCDECPROT2 is set and then write to TZPCDECPROT2 */ + if ((masters >> 16) & TZPCDECPROT2_MASK) { + val = (masters >> 16) & TZPCDECPROT2_MASK; + if (ns_bit) + write32((void *)TZPC_TZPCDECPROT2SET, val); + else + write32((void *)TZPC_TZPCDECPROT2CLR, val); + } +} + +/* + * Set non virtual slave security. + * Use defines in tz.h for both parameters. + */ +void tz_set_non_virtual_slaves_security(uint32_t slave_vector, uint32_t ns_bit) +{ + uint32_t i; + uint32_t total = sizeof(non_virtual_slave_regs) / + sizeof(non_virtual_slave_regs[0]); + uint32_t mask = ~(0xffffffff << total); + + ns_bit &= 0x1; + slave_vector = slave_vector & mask; + for (i = 0; i < total; i++) { + if (slave_vector & (0x1 << i)) + write32((void *)(non_virtual_slave_regs[i]), ns_bit); + } +} + +/* + * Set peripheral security. + * Use defines in tz.h for both parameters. + */ +void tz_set_periph_security(uint32_t slave_vector, uint32_t ns_bit) +{ + uint32_t val; + uint32_t mask_x = AXIIC_APBX_s0_security_MASK; + uint32_t mask_y = AXIIC_APBY_s0_security_MASK; + uint32_t tz_periphs_sec_status = + (mask_x & read32((void *)AXIIC_APBX_s0_security)) | + ((mask_y & read32((void *)AXIIC_APBY_s0_security)) << 16); + + if (ns_bit == TZ_STATE_SECURE) + tz_periphs_sec_status &= ~slave_vector; + else + tz_periphs_sec_status |= slave_vector; + + val = tz_periphs_sec_status & mask_x; + write32((void *)AXIIC_APBX_s0_security, val); + + val = (tz_periphs_sec_status >> 16) & mask_y; + write32((void *)AXIIC_APBY_s0_security, val); +} + +/* + * Set sec peripheral security. + * Use defines in tz.h for both parameters. + */ +void tz_set_sec_periphs_security(uint32_t slave_vector, uint32_t ns_bit) +{ + uint32_t val; + uint32_t mask = AXIIC_APBZ_s0_security_MASK; + uint32_t tz_sec_periphs_sec_status = + read32((void *)AXIIC_APBZ_s0_security); + + if (ns_bit == TZ_STATE_SECURE) + tz_sec_periphs_sec_status &= ~slave_vector; + else + tz_sec_periphs_sec_status |= slave_vector; + + val = tz_sec_periphs_sec_status & mask; + write32((void *)AXIIC_APBZ_s0_security, val); +} + +/* + * Set external slave security. + * Use defines in tz.h for both parameters. + */ +void tz_set_ext_slaves_security(uint32_t slave_vector, uint32_t ns_bit) +{ + uint32_t val; + uint32_t mask_s0 = AXIIC_ext_s0_security_MASK; + uint32_t mask_s1 = AXIIC_ext_s1_security_MASK; + uint32_t tz_ext_slaves_sec_status = + (mask_s0 & read32((void *)AXIIC_ext_s0_security)) | + ((mask_s1 & read32((void *)AXIIC_ext_s0_security)) << 16); + + if (ns_bit == TZ_STATE_SECURE) + tz_ext_slaves_sec_status &= ~slave_vector; + else + tz_ext_slaves_sec_status |= slave_vector; + + val = tz_ext_slaves_sec_status & mask_s0; + write32((void *)AXIIC_ext_s0_security, val); + + val = (tz_ext_slaves_sec_status >> 16) & mask_s1; + write32((void *)AXIIC_ext_s1_security, val); +} + +/* + * Set cfg slave security + * Use defines in tz.h for both parameters. + */ +void tz_set_cfg_slaves_security(uint32_t slave_vector, uint32_t ns_bit) +{ + uint32_t val; + uint32_t mask_r = AXIIC_APBR_s0_security_MASK; + uint32_t mask_s = AXIIC_APBS_s0_security_MASK; + uint32_t tz_cfg_slaves_sec_status = + (mask_r & read32((void *)AXIIC_APBR_s0_security)) | + ((mask_s & read32((void *)AXIIC_APBS_s0_security)) << 16); + + if (ns_bit == TZ_STATE_SECURE) + tz_cfg_slaves_sec_status &= ~slave_vector; + else + tz_cfg_slaves_sec_status |= slave_vector; + + val = tz_cfg_slaves_sec_status & mask_r; + write32((void *)AXIIC_APBR_s0_security, val); + + val = (tz_cfg_slaves_sec_status >> 16) & mask_s; + write32((void *)AXIIC_APBS_s0_security, val); +} + +/* + * Set SRAM secure region + * parameter 'r0size' specify the secure RAM region in 4KB steps: + * 0x00000000 = no secure region + * 0x00000001 = 4KB secure region + * 0x00000002 = 8KB secure region + * ....... + * 0x000001FF = 2044KB secure region. + * 0x00000200 or above sets the entire SRAM to secure regardless of size + */ +void tz_set_sram_sec_region(uint32_t r0size) +{ + uint32_t mask = TZPC_TZPCR0SIZE_MASK; + + write32((void *)TZPC_TZPCR0SIZE, r0size & mask); +} + +/* + * Set wrapper security + * Use defines in tz.h for all parameters. + */ +void tz_set_wrapper_security(uint32_t wrapper1, uint32_t wrapper2, + uint32_t wrapper3, uint32_t wrapper4, + uint32_t ns_bit) +{ + uint32_t mask_w4 = AXIIC_APB_W4_security_MASK; + uint32_t mask_w3 = AXIIC_APB_W3_security_MASK; + uint32_t mask_w2 = AXIIC_APB_W2_security_MASK; + uint32_t mask_w1 = AXIIC_APB_W1_security_MASK; + uint32_t tz_wrapper1_sec_status = read32((void *)AXIIC_APB_W1_security); + uint32_t tz_wrapper2_sec_status = read32((void *)AXIIC_APB_W2_security); + uint32_t tz_wrapper3_sec_status = read32((void *)AXIIC_APB_W3_security); + uint32_t tz_wrapper4_sec_status = read32((void *)AXIIC_APB_W4_security); + + if (ns_bit == TZ_STATE_SECURE) { + tz_wrapper1_sec_status &= ~wrapper1; + tz_wrapper2_sec_status &= ~wrapper2; + tz_wrapper3_sec_status &= ~wrapper3; + tz_wrapper4_sec_status &= ~wrapper4; + } else { + tz_wrapper1_sec_status |= wrapper1; + tz_wrapper2_sec_status |= wrapper2; + tz_wrapper3_sec_status |= wrapper3; + tz_wrapper4_sec_status |= wrapper4; + } + write32((void *)AXIIC_APB_W1_security, + tz_wrapper1_sec_status & mask_w1); + write32((void *)AXIIC_APB_W2_security, + tz_wrapper2_sec_status & mask_w2); + write32((void *)AXIIC_APB_W3_security, + tz_wrapper3_sec_status & mask_w3); + write32((void *)AXIIC_APB_W4_security, + tz_wrapper4_sec_status & mask_w4); +}