Introduce STMicroelectronics STM32MP1 platform
STM32MP1 is a microprocessor designed by STMicroelectronics,
based on a dual Arm Cortex-A7.
It is an Armv7-A platform, using dedicated code from TF-A.
STM32MP1 uses BL2 compiled with BL2_AT_EL3.
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Mathieu Belou <mathieu.belou@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Pascal Paillet <p.paillet@st.com>
diff --git a/drivers/st/uart/aarch32/stm32_console.S b/drivers/st/uart/aarch32/stm32_console.S
new file mode 100644
index 0000000..2b7c83d
--- /dev/null
+++ b/drivers/st/uart/aarch32/stm32_console.S
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <asm_macros.S>
+
+ .globl console_core_init
+ .globl console_core_putc
+ .globl console_core_getc
+ .globl console_core_flush
+
+ /* -----------------------------------------------------------------
+ * int console_core_init(uintptr_t base_addr,
+ * unsigned int uart_clk,
+ * unsigned int baud_rate)
+ *
+ * Function to initialize the console without a C Runtime to print
+ * debug information. This function will be accessed by console_init
+ * and crash reporting.
+ *
+ * In: r0 - console base address
+ * r1 - Uart clock in Hz
+ * r2 - Baud rate
+ * Out: return 1 on success else 0 on error
+ * Clobber list : r1, r2, r3
+ * -----------------------------------------------------------------
+ */
+func console_core_init
+ bx lr
+endfunc console_core_init
+
+ /* ---------------------------------------------------------------
+ * int console_core_putc(int c, uintptr_t base_addr)
+ *
+ * Function to output a character over the console. It returns the
+ * character printed on success or -1 on error.
+ *
+ * In : r0 - character to be printed
+ * r1 - console base address
+ * Out : return -1 on error else return character.
+ * Clobber list : r2
+ * ---------------------------------------------------------------
+ */
+func console_core_putc
+ bx lr
+endfunc console_core_putc
+
+ /* -----------------------------------------------------------
+ * int console_core_getc(uintptr_t base_addr)
+ *
+ * Function to get a character from the console.
+ * It returns the character grabbed on success or -1 on error.
+ *
+ * In : r0 - console base address
+ * Out : return -1.
+ * Clobber list : r0, r1
+ * -----------------------------------------------------------
+ */
+func console_core_getc
+ /* Not supported */
+ mov r0, #-1
+ bx lr
+endfunc console_core_getc
+
+ /* ---------------------------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ *
+ * Function to force a write of all buffered data that hasn't been
+ * output.
+ *
+ * In : r0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : r0, r1
+ * ---------------------------------------------------------------
+ */
+func console_core_flush
+ bx lr
+endfunc console_core_flush
diff --git a/include/drivers/st/stm32mp1_pwr.h b/include/drivers/st/stm32mp1_pwr.h
new file mode 100644
index 0000000..e567042
--- /dev/null
+++ b/include/drivers/st/stm32mp1_pwr.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017-2018, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __STM32MP1_PWR_H__
+#define __STM32MP1_PWR_H__
+
+#include <utils_def.h>
+
+#define PWR_CR1 U(0x00)
+#define PWR_CR2 U(0x08)
+#define PWR_CR3 U(0x0C)
+#define PWR_MPUCR U(0x10)
+#define PWR_WKUPCR U(0x20)
+#define PWR_MPUWKUPENR U(0x28)
+
+#define PWR_CR1_LPDS BIT(0)
+#define PWR_CR1_LPCFG BIT(1)
+#define PWR_CR1_LVDS BIT(2)
+#define PWR_CR1_DBP BIT(8)
+
+#define PWR_CR3_DDRSREN BIT(10)
+#define PWR_CR3_DDRSRDIS BIT(11)
+#define PWR_CR3_DDRRETEN BIT(12)
+
+#define PWR_MPUCR_PDDS BIT(0)
+#define PWR_MPUCR_CSTDBYDIS BIT(3)
+#define PWR_MPUCR_CSSF BIT(9)
+
+#endif /* __STM32MP1_PWR_H__ */
diff --git a/include/drivers/st/stm32mp1_rcc.h b/include/drivers/st/stm32mp1_rcc.h
new file mode 100644
index 0000000..e28ca97
--- /dev/null
+++ b/include/drivers/st/stm32mp1_rcc.h
@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2015-2018, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __STM32MP1_RCC_H__
+#define __STM32MP1_RCC_H__
+
+#include <utils_def.h>
+
+#define RCC_TZCR U(0x00)
+#define RCC_OCENSETR U(0x0C)
+#define RCC_OCENCLRR U(0x10)
+#define RCC_HSICFGR U(0x18)
+#define RCC_CSICFGR U(0x1C)
+#define RCC_MPCKSELR U(0x20)
+#define RCC_ASSCKSELR U(0x24)
+#define RCC_RCK12SELR U(0x28)
+#define RCC_MPCKDIVR U(0x2C)
+#define RCC_AXIDIVR U(0x30)
+#define RCC_APB4DIVR U(0x3C)
+#define RCC_APB5DIVR U(0x40)
+#define RCC_RTCDIVR U(0x44)
+#define RCC_MSSCKSELR U(0x48)
+#define RCC_PLL1CR U(0x80)
+#define RCC_PLL1CFGR1 U(0x84)
+#define RCC_PLL1CFGR2 U(0x88)
+#define RCC_PLL1FRACR U(0x8C)
+#define RCC_PLL1CSGR U(0x90)
+#define RCC_PLL2CR U(0x94)
+#define RCC_PLL2CFGR1 U(0x98)
+#define RCC_PLL2CFGR2 U(0x9C)
+#define RCC_PLL2FRACR U(0xA0)
+#define RCC_PLL2CSGR U(0xA4)
+#define RCC_I2C46CKSELR U(0xC0)
+#define RCC_SPI6CKSELR U(0xC4)
+#define RCC_UART1CKSELR U(0xC8)
+#define RCC_RNG1CKSELR U(0xCC)
+#define RCC_CPERCKSELR U(0xD0)
+#define RCC_STGENCKSELR U(0xD4)
+#define RCC_DDRITFCR U(0xD8)
+#define RCC_MP_BOOTCR U(0x100)
+#define RCC_MP_SREQSETR U(0x104)
+#define RCC_MP_SREQCLRR U(0x108)
+#define RCC_MP_GCR U(0x10C)
+#define RCC_MP_APRSTCR U(0x110)
+#define RCC_MP_APRSTSR U(0x114)
+#define RCC_BDCR U(0x140)
+#define RCC_RDLSICR U(0x144)
+#define RCC_APB4RSTSETR U(0x180)
+#define RCC_APB4RSTCLRR U(0x184)
+#define RCC_APB5RSTSETR U(0x188)
+#define RCC_APB5RSTCLRR U(0x18C)
+#define RCC_AHB5RSTSETR U(0x190)
+#define RCC_AHB5RSTCLRR U(0x194)
+#define RCC_AHB6RSTSETR U(0x198)
+#define RCC_AHB6RSTCLRR U(0x19C)
+#define RCC_TZAHB6RSTSETR U(0x1A0)
+#define RCC_TZAHB6RSTCLRR U(0x1A4)
+#define RCC_MP_APB4ENSETR U(0x200)
+#define RCC_MP_APB4ENCLRR U(0x204)
+#define RCC_MP_APB5ENSETR U(0x208)
+#define RCC_MP_APB5ENCLRR U(0x20C)
+#define RCC_MP_AHB5ENSETR U(0x210)
+#define RCC_MP_AHB5ENCLRR U(0x214)
+#define RCC_MP_AHB6ENSETR U(0x218)
+#define RCC_MP_AHB6ENCLRR U(0x21C)
+#define RCC_MP_TZAHB6ENSETR U(0x220)
+#define RCC_MP_TZAHB6ENCLRR U(0x224)
+#define RCC_MP_APB4LPENSETR U(0x300)
+#define RCC_MP_APB4LPENCLRR U(0x304)
+#define RCC_MP_APB5LPENSETR U(0x308)
+#define RCC_MP_APB5LPENCLRR U(0x30C)
+#define RCC_MP_AHB5LPENSETR U(0x310)
+#define RCC_MP_AHB5LPENCLRR U(0x314)
+#define RCC_MP_AHB6LPENSETR U(0x318)
+#define RCC_MP_AHB6LPENCLRR U(0x31C)
+#define RCC_MP_TZAHB6LPENSETR U(0x320)
+#define RCC_MP_TZAHB6LPENCLRR U(0x324)
+#define RCC_BR_RSTSCLRR U(0x400)
+#define RCC_MP_GRSTCSETR U(0x404)
+#define RCC_MP_RSTSCLRR U(0x408)
+#define RCC_MP_IWDGFZSETR U(0x40C)
+#define RCC_MP_IWDGFZCLRR U(0x410)
+#define RCC_MP_CIER U(0x414)
+#define RCC_MP_CIFR U(0x418)
+#define RCC_PWRLPDLYCR U(0x41C)
+#define RCC_MP_RSTSSETR U(0x420)
+#define RCC_MCO1CFGR U(0x800)
+#define RCC_MCO2CFGR U(0x804)
+#define RCC_OCRDYR U(0x808)
+#define RCC_DBGCFGR U(0x80C)
+#define RCC_RCK3SELR U(0x820)
+#define RCC_RCK4SELR U(0x824)
+#define RCC_TIMG1PRER U(0x828)
+#define RCC_TIMG2PRER U(0x82C)
+#define RCC_APB1DIVR U(0x834)
+#define RCC_APB2DIVR U(0x838)
+#define RCC_APB3DIVR U(0x83C)
+#define RCC_PLL3CR U(0x880)
+#define RCC_PLL3CFGR1 U(0x884)
+#define RCC_PLL3CFGR2 U(0x888)
+#define RCC_PLL3FRACR U(0x88C)
+#define RCC_PLL3CSGR U(0x890)
+#define RCC_PLL4CR U(0x894)
+#define RCC_PLL4CFGR1 U(0x898)
+#define RCC_PLL4CFGR2 U(0x89C)
+#define RCC_PLL4FRACR U(0x8A0)
+#define RCC_PLL4CSGR U(0x8A4)
+#define RCC_I2C12CKSELR U(0x8C0)
+#define RCC_I2C35CKSELR U(0x8C4)
+#define RCC_SAI1CKSELR U(0x8C8)
+#define RCC_SAI2CKSELR U(0x8CC)
+#define RCC_SAI3CKSELR U(0x8D0)
+#define RCC_SAI4CKSELR U(0x8D4)
+#define RCC_SPI2S1CKSELR U(0x8D8)
+#define RCC_SPI2S23CKSELR U(0x8DC)
+#define RCC_SPI45CKSELR U(0x8E0)
+#define RCC_UART6CKSELR U(0x8E4)
+#define RCC_UART24CKSELR U(0x8E8)
+#define RCC_UART35CKSELR U(0x8EC)
+#define RCC_UART78CKSELR U(0x8F0)
+#define RCC_SDMMC12CKSELR U(0x8F4)
+#define RCC_SDMMC3CKSELR U(0x8F8)
+#define RCC_ETHCKSELR U(0x8FC)
+#define RCC_QSPICKSELR U(0x900)
+#define RCC_FMCCKSELR U(0x904)
+#define RCC_FDCANCKSELR U(0x90C)
+#define RCC_SPDIFCKSELR U(0x914)
+#define RCC_CECCKSELR U(0x918)
+#define RCC_USBCKSELR U(0x91C)
+#define RCC_RNG2CKSELR U(0x920)
+#define RCC_DSICKSELR U(0x924)
+#define RCC_ADCCKSELR U(0x928)
+#define RCC_LPTIM45CKSELR U(0x92C)
+#define RCC_LPTIM23CKSELR U(0x930)
+#define RCC_LPTIM1CKSELR U(0x934)
+#define RCC_APB1RSTSETR U(0x980)
+#define RCC_APB1RSTCLRR U(0x984)
+#define RCC_APB2RSTSETR U(0x988)
+#define RCC_APB2RSTCLRR U(0x98C)
+#define RCC_APB3RSTSETR U(0x990)
+#define RCC_APB3RSTCLRR U(0x994)
+#define RCC_AHB2RSTSETR U(0x998)
+#define RCC_AHB2RSTCLRR U(0x99C)
+#define RCC_AHB3RSTSETR U(0x9A0)
+#define RCC_AHB3RSTCLRR U(0x9A4)
+#define RCC_AHB4RSTSETR U(0x9A8)
+#define RCC_AHB4RSTCLRR U(0x9AC)
+#define RCC_MP_APB1ENSETR U(0xA00)
+#define RCC_MP_APB1ENCLRR U(0xA04)
+#define RCC_MP_APB2ENSETR U(0xA08)
+#define RCC_MP_APB2ENCLRR U(0xA0C)
+#define RCC_MP_APB3ENSETR U(0xA10)
+#define RCC_MP_APB3ENCLRR U(0xA14)
+#define RCC_MP_AHB2ENSETR U(0xA18)
+#define RCC_MP_AHB2ENCLRR U(0xA1C)
+#define RCC_MP_AHB3ENSETR U(0xA20)
+#define RCC_MP_AHB3ENCLRR U(0xA24)
+#define RCC_MP_AHB4ENSETR U(0xA28)
+#define RCC_MP_AHB4ENCLRR U(0xA2C)
+#define RCC_MP_MLAHBENSETR U(0xA38)
+#define RCC_MP_MLAHBENCLRR U(0xA3C)
+#define RCC_MP_APB1LPENSETR U(0xB00)
+#define RCC_MP_APB1LPENCLRR U(0xB04)
+#define RCC_MP_APB2LPENSETR U(0xB08)
+#define RCC_MP_APB2LPENCLRR U(0xB0C)
+#define RCC_MP_APB3LPENSETR U(0xB10)
+#define RCC_MP_APB3LPENCLRR U(0xB14)
+#define RCC_MP_AHB2LPENSETR U(0xB18)
+#define RCC_MP_AHB2LPENCLRR U(0xB1C)
+#define RCC_MP_AHB3LPENSETR U(0xB20)
+#define RCC_MP_AHB3LPENCLRR U(0xB24)
+#define RCC_MP_AHB4LPENSETR U(0xB28)
+#define RCC_MP_AHB4LPENCLRR U(0xB2C)
+#define RCC_MP_AXIMLPENSETR U(0xB30)
+#define RCC_MP_AXIMLPENCLRR U(0xB34)
+#define RCC_MP_MLAHBLPENSETR U(0xB38)
+#define RCC_MP_MLAHBLPENCLRR U(0xB3C)
+#define RCC_VERR U(0xFF4)
+#define RCC_IDR U(0xFF8)
+#define RCC_SIDR U(0xFFC)
+
+/* Values for RCC_TZCR register */
+#define RCC_TZCR_TZEN BIT(0)
+
+/* Used for most of RCC_<x>SELR registers */
+#define RCC_SELR_SRC_MASK GENMASK(2, 0)
+#define RCC_SELR_REFCLK_SRC_MASK GENMASK(1, 0)
+#define RCC_SELR_SRCRDY BIT(31)
+
+/* Values of RCC_MPCKSELR register */
+#define RCC_MPCKSELR_HSI 0x00000000
+#define RCC_MPCKSELR_HSE 0x00000001
+#define RCC_MPCKSELR_PLL 0x00000002
+#define RCC_MPCKSELR_PLL_MPUDIV 0x00000003
+
+/* Values of RCC_ASSCKSELR register */
+#define RCC_ASSCKSELR_HSI 0x00000000
+#define RCC_ASSCKSELR_HSE 0x00000001
+#define RCC_ASSCKSELR_PLL 0x00000002
+
+/* Values of RCC_MSSCKSELR register */
+#define RCC_MSSCKSELR_HSI 0x00000000
+#define RCC_MSSCKSELR_HSE 0x00000001
+#define RCC_MSSCKSELR_CSI 0x00000002
+#define RCC_MSSCKSELR_PLL 0x00000003
+
+/* Values of RCC_CPERCKSELR register */
+#define RCC_CPERCKSELR_HSI 0x00000000
+#define RCC_CPERCKSELR_CSI 0x00000001
+#define RCC_CPERCKSELR_HSE 0x00000002
+
+/* Used for most of DIVR register: max div for RTC */
+#define RCC_DIVR_DIV_MASK GENMASK(5, 0)
+#define RCC_DIVR_DIVRDY BIT(31)
+
+/* Masks for specific DIVR registers */
+#define RCC_APBXDIV_MASK GENMASK(2, 0)
+#define RCC_MPUDIV_MASK GENMASK(2, 0)
+#define RCC_AXIDIV_MASK GENMASK(2, 0)
+
+/* Offset between RCC_MP_xxxENSETR and RCC_MP_xxxENCLRR registers */
+#define RCC_MP_ENCLRR_OFFSET U(4)
+
+/* Fields of RCC_BDCR register */
+#define RCC_BDCR_LSEON BIT(0)
+#define RCC_BDCR_LSEBYP BIT(1)
+#define RCC_BDCR_LSERDY BIT(2)
+#define RCC_BDCR_LSEDRV_MASK GENMASK(5, 4)
+#define RCC_BDCR_LSEDRV_SHIFT 4
+#define RCC_BDCR_LSECSSON BIT(8)
+#define RCC_BDCR_RTCCKEN BIT(20)
+#define RCC_BDCR_RTCSRC_MASK GENMASK(17, 16)
+#define RCC_BDCR_RTCSRC_SHIFT 16
+#define RCC_BDCR_VSWRST BIT(31)
+
+/* Fields of RCC_RDLSICR register */
+#define RCC_RDLSICR_LSION BIT(0)
+#define RCC_RDLSICR_LSIRDY BIT(1)
+
+/* Used for all RCC_PLL<n>CR registers */
+#define RCC_PLLNCR_PLLON BIT(0)
+#define RCC_PLLNCR_PLLRDY BIT(1)
+#define RCC_PLLNCR_DIVPEN BIT(4)
+#define RCC_PLLNCR_DIVQEN BIT(5)
+#define RCC_PLLNCR_DIVREN BIT(6)
+#define RCC_PLLNCR_DIVEN_SHIFT 4
+
+/* Used for all RCC_PLL<n>CFGR1 registers */
+#define RCC_PLLNCFGR1_DIVM_SHIFT 16
+#define RCC_PLLNCFGR1_DIVM_MASK GENMASK(21, 16)
+#define RCC_PLLNCFGR1_DIVN_SHIFT 0
+#define RCC_PLLNCFGR1_DIVN_MASK GENMASK(8, 0)
+/* Only for PLL3 and PLL4 */
+#define RCC_PLLNCFGR1_IFRGE_SHIFT 24
+#define RCC_PLLNCFGR1_IFRGE_MASK GENMASK(25, 24)
+
+/* Used for all RCC_PLL<n>CFGR2 registers */
+#define RCC_PLLNCFGR2_DIVX_MASK GENMASK(6, 0)
+#define RCC_PLLNCFGR2_DIVP_SHIFT 0
+#define RCC_PLLNCFGR2_DIVP_MASK GENMASK(6, 0)
+#define RCC_PLLNCFGR2_DIVQ_SHIFT 8
+#define RCC_PLLNCFGR2_DIVQ_MASK GENMASK(14, 8)
+#define RCC_PLLNCFGR2_DIVR_SHIFT 16
+#define RCC_PLLNCFGR2_DIVR_MASK GENMASK(22, 16)
+
+/* Used for all RCC_PLL<n>FRACR registers */
+#define RCC_PLLNFRACR_FRACV_SHIFT 3
+#define RCC_PLLNFRACR_FRACV_MASK GENMASK(15, 3)
+#define RCC_PLLNFRACR_FRACLE BIT(16)
+
+/* Used for all RCC_PLL<n>CSGR registers */
+#define RCC_PLLNCSGR_INC_STEP_SHIFT 16
+#define RCC_PLLNCSGR_INC_STEP_MASK GENMASK(30, 16)
+#define RCC_PLLNCSGR_MOD_PER_SHIFT 0
+#define RCC_PLLNCSGR_MOD_PER_MASK GENMASK(12, 0)
+#define RCC_PLLNCSGR_SSCG_MODE_SHIFT 15
+#define RCC_PLLNCSGR_SSCG_MODE_MASK BIT(15)
+
+/* Used for RCC_OCENSETR and RCC_OCENCLRR registers */
+#define RCC_OCENR_HSION BIT(0)
+#define RCC_OCENR_CSION BIT(4)
+#define RCC_OCENR_HSEON BIT(8)
+#define RCC_OCENR_HSEBYP BIT(10)
+#define RCC_OCENR_HSECSSON BIT(11)
+
+/* Fields of RCC_OCRDYR register */
+#define RCC_OCRDYR_HSIRDY BIT(0)
+#define RCC_OCRDYR_HSIDIVRDY BIT(2)
+#define RCC_OCRDYR_CSIRDY BIT(4)
+#define RCC_OCRDYR_HSERDY BIT(8)
+
+/* Fields of RCC_DDRITFCR register */
+#define RCC_DDRITFCR_DDRC1EN BIT(0)
+#define RCC_DDRITFCR_DDRC1LPEN BIT(1)
+#define RCC_DDRITFCR_DDRC2EN BIT(2)
+#define RCC_DDRITFCR_DDRC2LPEN BIT(3)
+#define RCC_DDRITFCR_DDRPHYCEN BIT(4)
+#define RCC_DDRITFCR_DDRPHYCLPEN BIT(5)
+#define RCC_DDRITFCR_DDRCAPBEN BIT(6)
+#define RCC_DDRITFCR_DDRCAPBLPEN BIT(7)
+#define RCC_DDRITFCR_AXIDCGEN BIT(8)
+#define RCC_DDRITFCR_DDRPHYCAPBEN BIT(9)
+#define RCC_DDRITFCR_DDRPHYCAPBLPEN BIT(10)
+#define RCC_DDRITFCR_DDRCAPBRST BIT(14)
+#define RCC_DDRITFCR_DDRCAXIRST BIT(15)
+#define RCC_DDRITFCR_DDRCORERST BIT(16)
+#define RCC_DDRITFCR_DPHYAPBRST BIT(17)
+#define RCC_DDRITFCR_DPHYRST BIT(18)
+#define RCC_DDRITFCR_DPHYCTLRST BIT(19)
+#define RCC_DDRITFCR_DDRCKMOD_MASK GENMASK(22, 20)
+#define RCC_DDRITFCR_DDRCKMOD_SHIFT 20
+#define RCC_DDRITFCR_DDRCKMOD_SSR 0
+#define RCC_DDRITFCR_DDRCKMOD_ASR1 BIT(20)
+#define RCC_DDRITFCR_DDRCKMOD_HSR1 BIT(21)
+#define RCC_DDRITFCR_GSKPCTRL BIT(24)
+
+/* Fields of RCC_HSICFGR register */
+#define RCC_HSICFGR_HSIDIV_MASK GENMASK(1, 0)
+
+/* Used for RCC_MCO related operations */
+#define RCC_MCOCFG_MCOON BIT(12)
+#define RCC_MCOCFG_MCODIV_MASK GENMASK(7, 4)
+#define RCC_MCOCFG_MCODIV_SHIFT 4
+#define RCC_MCOCFG_MCOSRC_MASK GENMASK(2, 0)
+
+/* Fields of RCC_DBGCFGR register */
+#define RCC_DBGCFGR_DBGCKEN BIT(8)
+
+/* RCC register fields for reset reasons */
+#define RCC_MP_RSTSCLRR_PORRSTF BIT(0)
+#define RCC_MP_RSTSCLRR_BORRSTF BIT(1)
+#define RCC_MP_RSTSCLRR_PADRSTF BIT(2)
+#define RCC_MP_RSTSCLRR_HCSSRSTF BIT(3)
+#define RCC_MP_RSTSCLRR_VCORERSTF BIT(4)
+#define RCC_MP_RSTSCLRR_MPSYSRSTF BIT(6)
+#define RCC_MP_RSTSCLRR_IWDG1RSTF BIT(8)
+#define RCC_MP_RSTSCLRR_IWDG2RSTF BIT(9)
+#define RCC_MP_RSTSCLRR_STDBYRSTF BIT(11)
+#define RCC_MP_RSTSCLRR_CSTDBYRSTF BIT(12)
+
+/* Global Reset Register */
+#define RCC_MP_GRSTCSETR_MPSYSRST BIT(0)
+
+/* Clock Source Interrupt Flag Register */
+#define RCC_MP_CIFR_MASK U(0x110F1F)
+#define RCC_MP_CIFR_WKUPF BIT(20)
+
+/* Stop Request Set Register */
+#define RCC_MP_SREQSETR_STPREQ_P0 BIT(0)
+#define RCC_MP_SREQSETR_STPREQ_P1 BIT(1)
+
+/* Stop Request Clear Register */
+#define RCC_MP_SREQCLRR_STPREQ_P0 BIT(0)
+#define RCC_MP_SREQCLRR_STPREQ_P1 BIT(1)
+
+/* Values of RCC_UART24CKSELR register */
+#define RCC_UART24CKSELR_HSI 0x00000002
+
+/* Values of RCC_MP_APB1ENSETR register */
+#define RCC_MP_APB1ENSETR_UART4EN BIT(16)
+
+/* Values of RCC_MP_AHB4ENSETR register */
+#define RCC_MP_AHB4ENSETR_GPIOGEN BIT(6)
+
+#endif /* __STM32MP1_RCC_H__ */
diff --git a/plat/st/stm32mp1/bl2_io_storage.c b/plat/st/stm32mp1/bl2_io_storage.c
new file mode 100644
index 0000000..7346c0c
--- /dev/null
+++ b/plat/st/stm32mp1/bl2_io_storage.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <boot_api.h>
+#include <debug.h>
+#include <io_driver.h>
+#include <io_dummy.h>
+#include <io_storage.h>
+#include <mmio.h>
+#include <platform.h>
+#include <platform_def.h>
+#include <stm32mp1_private.h>
+#include <stm32mp1_rcc.h>
+#include <string.h>
+#include <utils.h>
+
+/* IO devices */
+static const io_dev_connector_t *dummy_dev_con;
+static uintptr_t dummy_dev_handle;
+static uintptr_t dummy_dev_spec;
+
+static const io_block_spec_t bl32_block_spec = {
+ .offset = BL32_BASE,
+ .length = STM32MP1_BL32_SIZE
+};
+
+static const io_block_spec_t bl2_block_spec = {
+ .offset = BL2_BASE,
+ .length = STM32MP1_BL2_SIZE,
+};
+
+static int open_dummy(const uintptr_t spec);
+
+struct plat_io_policy {
+ uintptr_t *dev_handle;
+ uintptr_t image_spec;
+ int (*check)(const uintptr_t spec);
+};
+
+static const struct plat_io_policy policies[] = {
+ [BL2_IMAGE_ID] = {
+ .dev_handle = &dummy_dev_handle,
+ .image_spec = (uintptr_t)&bl2_block_spec,
+ .check = open_dummy
+ },
+ [BL32_IMAGE_ID] = {
+ .dev_handle = &dummy_dev_handle,
+ .image_spec = (uintptr_t)&bl32_block_spec,
+ .check = open_dummy
+ },
+};
+
+static int open_dummy(const uintptr_t spec)
+{
+ return io_dev_init(dummy_dev_handle, 0);
+}
+
+static void print_boot_device(boot_api_context_t *boot_context)
+{
+ switch (boot_context->boot_interface_selected) {
+ case BOOT_API_CTX_BOOT_INTERFACE_SEL_FLASH_SD:
+ INFO("Using SDMMC\n");
+ break;
+ case BOOT_API_CTX_BOOT_INTERFACE_SEL_FLASH_EMMC:
+ INFO("Using EMMC\n");
+ break;
+ default:
+ ERROR("Boot interface not found\n");
+ panic();
+ break;
+ }
+
+ if (boot_context->boot_interface_instance != 0U) {
+ INFO(" Instance %d\n", boot_context->boot_interface_instance);
+ }
+}
+
+static void print_reset_reason(void)
+{
+ uint32_t rstsr = mmio_read_32(RCC_BASE + RCC_MP_RSTSCLRR);
+
+ if (rstsr == 0U) {
+ WARN("Reset reason unknown\n");
+ return;
+ }
+
+ INFO("Reset reason (0x%x):\n", rstsr);
+
+ if ((rstsr & RCC_MP_RSTSCLRR_PADRSTF) == 0U) {
+ if ((rstsr & RCC_MP_RSTSCLRR_STDBYRSTF) != 0U) {
+ INFO("System exits from STANDBY\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_CSTDBYRSTF) != 0U) {
+ INFO("MPU exits from CSTANDBY\n");
+ return;
+ }
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_PORRSTF) != 0U) {
+ INFO(" Power-on Reset (rst_por)\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_BORRSTF) != 0U) {
+ INFO(" Brownout Reset (rst_bor)\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_MPSYSRSTF) != 0U) {
+ INFO(" System reset generated by MPU (MPSYSRST)\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_HCSSRSTF) != 0U) {
+ INFO(" Reset due to a clock failure on HSE\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_IWDG1RSTF) != 0U) {
+ INFO(" IWDG1 Reset (rst_iwdg1)\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_IWDG2RSTF) != 0U) {
+ INFO(" IWDG2 Reset (rst_iwdg2)\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_PADRSTF) != 0U) {
+ INFO(" Pad Reset from NRST\n");
+ return;
+ }
+
+ if ((rstsr & RCC_MP_RSTSCLRR_VCORERSTF) != 0U) {
+ INFO(" Reset due to a failure of VDD_CORE\n");
+ return;
+ }
+
+ ERROR(" Unidentified reset reason\n");
+}
+
+void stm32mp1_io_setup(void)
+{
+ int io_result __unused;
+ boot_api_context_t *boot_context =
+ (boot_api_context_t *)stm32mp1_get_boot_ctx_address();
+
+ print_reset_reason();
+
+ print_boot_device(boot_context);
+
+ if ((boot_context->boot_partition_used_toboot == 1U) ||
+ (boot_context->boot_partition_used_toboot == 2U)) {
+ INFO("Boot used partition fsbl%d\n",
+ boot_context->boot_partition_used_toboot);
+ }
+
+ io_result = register_io_dev_dummy(&dummy_dev_con);
+ assert(io_result == 0);
+
+ io_result = io_dev_open(dummy_dev_con, dummy_dev_spec,
+ &dummy_dev_handle);
+ assert(io_result == 0);
+}
+
+/*
+ * Return an IO device handle and specification which can be used to access
+ * an image. Use this to enforce platform load policy.
+ */
+int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle,
+ uintptr_t *image_spec)
+{
+ int rc;
+ const struct plat_io_policy *policy;
+
+ assert(image_id < ARRAY_SIZE(policies));
+
+ policy = &policies[image_id];
+ rc = policy->check(policy->image_spec);
+ if (rc == 0) {
+ *image_spec = policy->image_spec;
+ *dev_handle = *(policy->dev_handle);
+ }
+
+ return rc;
+}
diff --git a/plat/st/stm32mp1/bl2_plat_setup.c b/plat/st/stm32mp1/bl2_plat_setup.c
new file mode 100644
index 0000000..d386202
--- /dev/null
+++ b/plat/st/stm32mp1/bl2_plat_setup.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <bl_common.h>
+#include <boot_api.h>
+#include <console.h>
+#include <debug.h>
+#include <delay_timer.h>
+#include <desc_image_load.h>
+#include <generic_delay_timer.h>
+#include <mmio.h>
+#include <platform.h>
+#include <platform_def.h>
+#include <stm32mp1_private.h>
+#include <stm32mp1_pwr.h>
+#include <stm32mp1_rcc.h>
+#include <string.h>
+#include <xlat_tables_v2.h>
+
+void bl2_el3_early_platform_setup(u_register_t arg0, u_register_t arg1,
+ u_register_t arg2, u_register_t arg3)
+{
+ stm32mp1_save_boot_ctx_address(arg0);
+}
+
+void bl2_platform_setup(void)
+{
+ INFO("BL2 runs SP_MIN setup\n");
+}
+
+void bl2_el3_plat_arch_setup(void)
+{
+ /*
+ * Disable the backup domain write protection.
+ * The protection is enable at each reset by hardware
+ * and must be disabled by software.
+ */
+ mmio_setbits_32(PWR_BASE + PWR_CR1, PWR_CR1_DBP);
+
+ while ((mmio_read_32(PWR_BASE + PWR_CR1) & PWR_CR1_DBP) == 0U) {
+ ;
+ }
+
+ /* Reset backup domain on cold boot cases */
+ if ((mmio_read_32(RCC_BASE + RCC_BDCR) & RCC_BDCR_RTCSRC_MASK) == 0U) {
+ mmio_setbits_32(RCC_BASE + RCC_BDCR, RCC_BDCR_VSWRST);
+
+ while ((mmio_read_32(RCC_BASE + RCC_BDCR) & RCC_BDCR_VSWRST) ==
+ 0U) {
+ ;
+ }
+
+ mmio_clrbits_32(RCC_BASE + RCC_BDCR, RCC_BDCR_VSWRST);
+ }
+
+ mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
+ BL_CODE_END - BL_CODE_BASE,
+ MT_CODE | MT_SECURE);
+
+ /* Prevent corruption of preloaded BL32 */
+ mmap_add_region(BL32_BASE, BL32_BASE,
+ BL32_LIMIT - BL32_BASE,
+ MT_MEMORY | MT_RO | MT_SECURE);
+
+ /* Prevent corruption of preloaded Device Tree */
+ mmap_add_region(DTB_BASE, DTB_BASE,
+ DTB_LIMIT - DTB_BASE,
+ MT_MEMORY | MT_RO | MT_SECURE);
+
+ configure_mmu();
+
+ generic_delay_timer_init();
+
+ stm32mp1_io_setup();
+}
diff --git a/plat/st/stm32mp1/include/boot_api.h b/plat/st/stm32mp1/include/boot_api.h
new file mode 100644
index 0000000..71c3593
--- /dev/null
+++ b/plat/st/stm32mp1/include/boot_api.h
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 2017, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __BOOT_API_H
+#define __BOOT_API_H
+
+#include <stdint.h>
+
+/*
+ * Possible value of boot context field 'boot_interface_sel'
+ */
+
+/* Value of field 'boot_interface_sel' when no boot occurred */
+#define BOOT_API_CTX_BOOT_INTERFACE_SEL_NO 0x0U
+
+/* Boot occurred on SD */
+#define BOOT_API_CTX_BOOT_INTERFACE_SEL_FLASH_SD 0x1U
+
+/* Boot occurred on EMMC */
+#define BOOT_API_CTX_BOOT_INTERFACE_SEL_FLASH_EMMC 0x2U
+
+/**
+ * @brief Possible value of boot context field 'EmmcXferStatus'
+ */
+/*
+ * Possible value of boot context field 'emmc_xfer_status'
+ */
+#define BOOT_API_CTX_EMMC_XFER_STATUS_NOT_STARTED 0x0U
+#define BOOT_API_CTX_EMMC_XFER_STATUS_DATAEND_DETECTED 0x1U
+#define BOOT_API_CTX_EMMC_XFER_STATUS_XFER_OVERALL_TIMEOUT_DETECTED 0x2U
+#define BOOT_API_CTX_EMMC_XFER_STATUS_XFER_DATA_TIMEOUT 0x3U
+
+/*
+ * Possible value of boot context field 'emmc_error_status'
+ */
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_NONE 0x0U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_CMD_TIMEOUT 0x1U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_ACK_TIMEOUT 0x2U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_DATA_CRC_FAIL 0x3U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_NOT_ENOUGH_BOOT_DATA_RX 0x4U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_HEADER_NOT_FOUND 0x5U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_HEADER_SIZE_ZERO 0x6U
+#define BOOT_API_CTX_EMMC_ERROR_STATUS_IMAGE_NOT_COMPLETE 0x7U
+
+/* Image Header related definitions */
+
+/* Definition of header version */
+#define BOOT_API_HEADER_VERSION 0x00010000U
+
+/*
+ * Magic number used to detect header in memory
+ * Its value must be 'S' 'T' 'M' 0x32, i.e 0x324D5453 as field
+ * 'bootapi_image_header_t.magic'
+ * This identifies the start of a boot image.
+ */
+#define BOOT_API_IMAGE_HEADER_MAGIC_NB 0x324D5453U
+
+/* Definitions related to Authentication used in image header structure */
+#define BOOT_API_ECDSA_PUB_KEY_LEN_IN_BYTES 64
+#define BOOT_API_ECDSA_SIGNATURE_LEN_IN_BYTES 64
+#define BOOT_API_SHA256_DIGEST_SIZE_IN_BYTES 32
+
+/* Possible values of the field 'boot_api_image_header_t.ecc_algo_type' */
+#define BOOT_API_ECDSA_ALGO_TYPE_P256NIST 1
+#define BOOT_API_ECDSA_ALGO_TYPE_BRAINPOOL256 2
+
+/*
+ * Cores secure magic numbers
+ * Constant to be stored in bakcup register
+ * BOOT_API_MAGIC_NUMBER_TAMP_BCK_REG_IDX
+ */
+#define BOOT_API_A7_CORE0_MAGIC_NUMBER 0xCA7FACE0U
+#define BOOT_API_A7_CORE1_MAGIC_NUMBER 0xCA7FACE1U
+
+/*
+ * TAMP_BCK4R register index
+ * This register is used to write a Magic Number in order to restart
+ * Cortex A7 Core 1 and make it execute @ branch address from TAMP_BCK5R
+ */
+#define BOOT_API_CORE1_MAGIC_NUMBER_TAMP_BCK_REG_IDX 4U
+
+/*
+ * TAMP_BCK5R register index
+ * This register is used to contain the branch address of
+ * Cortex A7 Core 1 when restarted by a TAMP_BCK4R magic number writing
+ */
+#define BOOT_API_CORE1_BRANCH_ADDRESS_TAMP_BCK_REG_IDX 5U
+
+/*
+ * Possible value of boot context field 'hse_clock_value_in_hz'
+ */
+#define BOOT_API_CTX_HSE_CLOCK_VALUE_UNDEFINED 0U
+#define BOOT_API_CTX_HSE_CLOCK_VALUE_24_MHZ 24000000U
+#define BOOT_API_CTX_HSE_CLOCK_VALUE_25_MHZ 25000000U
+#define BOOT_API_CTX_HSE_CLOCK_VALUE_26_MHZ 26000000U
+
+/*
+ * Possible value of boot context field 'boot_partition_used_toboot'
+ */
+#define BOOT_API_CTX_BOOT_PARTITION_UNDEFINED 0U
+
+/* Used FSBL1 to boot */
+#define BOOT_API_CTX_BOOT_PARTITION_FSBL1 1U
+
+/* Used FSBL2 to boot */
+#define BOOT_API_CTX_BOOT_PARTITION_FSBL2 2U
+
+/* OTP_CFG0 */
+#define BOOT_API_OTP_MODE_WORD_NB 0
+/* Closed = OTP_CFG0[6] */
+#define BOOT_API_OTP_MODE_CLOSED_BIT_POS 6
+
+/*
+ * Boot Context related definitions
+ */
+
+/*
+ * Boot core boot configuration structure
+ * Specifies all items of the cold boot configuration
+ * Memory and peripheral part.
+ */
+typedef struct {
+ /*
+ * Boot interface used to boot : take values from defines
+ * BOOT_API_CTX_BOOT_INTERFACE_SEL_XXX above
+ */
+ uint16_t boot_interface_selected;
+ uint16_t boot_interface_instance;
+ uint32_t reserved1[13];
+ uint32_t otp_afmux_values[3];
+ uint32_t reserved[9];
+ /*
+ * Information specific to an SD boot
+ * Updated each time an SD boot is at least attempted,
+ * even if not successful
+ * Note : This is useful to understand why an SD boot failed
+ * in particular
+ */
+ uint32_t sd_err_internal_timeout_cnt;
+ uint32_t sd_err_dcrc_fail_cnt;
+ uint32_t sd_err_dtimeout_cnt;
+ uint32_t sd_err_ctimeout_cnt;
+ uint32_t sd_err_ccrc_fail_cnt;
+ uint32_t sd_overall_retry_cnt;
+ /*
+ * Information specific to an eMMC boot
+ * Updated each time an eMMC boot is at least attempted,
+ * even if not successful
+ * Note : This is useful to understand why an eMMC boot failed
+ * in particular
+ */
+ uint32_t emmc_xfer_status;
+ uint32_t emmc_error_status;
+ uint32_t emmc_nbbytes_rxcopied_tosysram_download_area;
+ uint32_t hse_clock_value_in_hz;
+ /*
+ * Boot partition :
+ * ie FSBL partition on which the boot was successful
+ */
+ uint32_t boot_partition_used_toboot;
+
+} __packed boot_api_context_t;
+
+/*
+ * Image Header related definitions
+ */
+
+/*
+ * Structure used to define the common Header format used for FSBL, xloader,
+ * ... and in particular used by bootROM for FSBL header readout.
+ * FSBL header size is 256 Bytes = 0x100
+ */
+typedef struct {
+ /* BOOT_API_IMAGE_HEADER_MAGIC_NB */
+ uint32_t magic;
+ uint8_t image_signature[BOOT_API_ECDSA_SIGNATURE_LEN_IN_BYTES];
+ /*
+ * Checksum of payload
+ * 32-bit sum all all payload bytes considered as 8 bit unigned numbers,
+ * discarding any overflow bits.
+ * Use to check UART/USB downloaded image integrity when signature
+ * is not used (i.e bit 0 : 'No_sig_check' = 1 in option flags)
+ */
+ uint32_t payload_checksum;
+ /* Image header version : should have value BOOT_API_HEADER_VERSION */
+ uint32_t header_version;
+ /* Image length in bytes */
+ uint32_t image_length;
+ /*
+ * Image Entry point address : should be in the SYSRAM area
+ * and at least within the download area range
+ */
+ uint32_t image_entry_point;
+ /* Reserved */
+ uint32_t reserved1;
+ /*
+ * Image load address : not used by bootROM but to be consistent
+ * with header format for other packages (xloader, ...)
+ */
+ uint32_t load_address;
+ /* Reserved */
+ uint32_t reserved2;
+ /* Image version to be compared by bootROM with monotonic
+ * counter value in OTP_CFG4 prior executing the downloaded image
+ */
+ uint32_t image_version;
+ /*
+ * Option flags:
+ * Bit 0 : No signature check request : 'No_sig_check'
+ * value 1 : for No signature check request
+ * value 0 : No request to bypass the signature check
+ * Note : No signature check is never allowed on a Secured chip
+ */
+ uint32_t option_flags;
+ /*
+ * Type of ECC algorithm to use :
+ * value 1 : for P-256 NIST algorithm
+ * value 2 : for Brainpool 256 algorithm
+ * See definitions 'BOOT_API_ECDSA_ALGO_TYPE_XXX' above.
+ */
+ uint32_t ecc_algo_type;
+ /*
+ * OEM ECC Public Key (aka Root pubk) provided in header on 512 bits.
+ * The SHA-256 hash of the OEM ECC pubk must match the one stored
+ * in OTP cells.
+ */
+ uint8_t ecc_pubk[BOOT_API_ECDSA_PUB_KEY_LEN_IN_BYTES];
+ /* Pad up to 256 byte total size */
+ uint8_t pad[84];
+} __packed boot_api_image_header_t;
+
+#endif /* __BOOT_API_H */
diff --git a/plat/st/stm32mp1/include/platform_def.h b/plat/st/stm32mp1/include/platform_def.h
new file mode 100644
index 0000000..9c148ad
--- /dev/null
+++ b/plat/st/stm32mp1/include/platform_def.h
@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <arch.h>
+#include <common_def.h>
+#include <gic_common.h>
+#include <utils_def.h>
+#include "../stm32mp1_def.h"
+
+/*******************************************************************************
+ * Generic platform constants
+ ******************************************************************************/
+
+/* Size of cacheable stacks */
+#define PLATFORM_STACK_SIZE 0xC00
+
+/* SSBL = second stage boot loader */
+#define BL33_IMAGE_NAME "ssbl"
+
+#define STM32MP1_PRIMARY_CPU U(0x0)
+
+#define PLATFORM_CACHE_LINE_SIZE 64
+#define PLATFORM_CLUSTER_COUNT ULL(1)
+#define PLATFORM_CLUSTER0_CORE_COUNT U(2)
+#define PLATFORM_CLUSTER1_CORE_COUNT U(0)
+#define PLATFORM_CORE_COUNT (PLATFORM_CLUSTER1_CORE_COUNT + \
+ PLATFORM_CLUSTER0_CORE_COUNT)
+#define PLATFORM_MAX_CPUS_PER_CLUSTER 2
+
+#define MAX_IO_DEVICES 4
+#define MAX_IO_HANDLES 4
+
+/*******************************************************************************
+ * BL2 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL2 just below BL3-1. BL2_BASE is calculated using the current BL2 debug
+ * size plus a little space for growth.
+ */
+#define BL2_BASE STM32MP1_BL2_BASE
+#define BL2_LIMIT (STM32MP1_BL2_BASE + \
+ STM32MP1_BL2_SIZE)
+
+/*******************************************************************************
+ * BL32 specific defines.
+ ******************************************************************************/
+#define BL32_BASE STM32MP1_BL32_BASE
+#define BL32_LIMIT (STM32MP1_BL32_BASE + \
+ STM32MP1_BL32_SIZE)
+
+/*******************************************************************************
+ * BL33 specific defines.
+ ******************************************************************************/
+#define BL33_BASE STM32MP1_BL33_BASE
+
+/*
+ * Load address of BL33 for this platform port
+ */
+#define PLAT_STM32MP1_NS_IMAGE_OFFSET BL33_BASE
+
+/*******************************************************************************
+ * DTB specific defines.
+ ******************************************************************************/
+#define DTB_BASE STM32MP1_DTB_BASE
+#define DTB_LIMIT (STM32MP1_DTB_BASE + \
+ STM32MP1_DTB_SIZE)
+
+/*******************************************************************************
+ * Platform specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32)
+
+/*******************************************************************************
+ * Declarations and constants to access the mailboxes safely. Each mailbox is
+ * aligned on the biggest cache line size in the platform. This is known only
+ * to the platform as it might have a combination of integrated and external
+ * caches. Such alignment ensures that two maiboxes do not sit on the same cache
+ * line at any cache level. They could belong to different cpus/clusters &
+ * get written while being protected by different locks causing corruption of
+ * a valid mailbox address.
+ ******************************************************************************/
+#define CACHE_WRITEBACK_SHIFT 6
+#define CACHE_WRITEBACK_GRANULE (U(1) << CACHE_WRITEBACK_SHIFT)
+
+/*
+ * Secure Interrupt: based on the standard ARM mapping
+ */
+#define ARM_IRQ_SEC_PHY_TIMER U(29)
+
+#define ARM_IRQ_SEC_SGI_0 U(8)
+#define ARM_IRQ_SEC_SGI_1 U(9)
+#define ARM_IRQ_SEC_SGI_2 U(10)
+#define ARM_IRQ_SEC_SGI_3 U(11)
+#define ARM_IRQ_SEC_SGI_4 U(12)
+#define ARM_IRQ_SEC_SGI_5 U(13)
+#define ARM_IRQ_SEC_SGI_6 U(14)
+#define ARM_IRQ_SEC_SGI_7 U(15)
+
+#define STM32MP1_IRQ_TZC400 U(36)
+#define STM32MP1_IRQ_TAMPSERRS U(229)
+#define STM32MP1_IRQ_AXIERRIRQ U(244)
+
+/*
+ * Define a list of Group 1 Secure and Group 0 interrupts as per GICv3
+ * terminology. On a GICv2 system or mode, the lists will be merged and treated
+ * as Group 0 interrupts.
+ */
+#define PLATFORM_G1S_PROPS(grp) \
+ INTR_PROP_DESC(ARM_IRQ_SEC_PHY_TIMER, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(STM32MP1_IRQ_TAMPSERRS, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(STM32MP1_IRQ_AXIERRIRQ, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(STM32MP1_IRQ_TZC400, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_1, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_2, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_3, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_4, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_5, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_7, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE)
+
+#define PLATFORM_G0_PROPS(grp) \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_0, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, \
+ GIC_HIGHEST_SEC_PRIORITY, \
+ grp, GIC_INTR_CFG_EDGE)
+
+/*
+ * Power
+ */
+#define PLAT_MAX_PWR_LVL U(1)
+
+/* Local power state for power domains in Run state. */
+#define ARM_LOCAL_STATE_RUN U(0)
+/* Local power state for retention. Valid only for CPU power domains */
+#define ARM_LOCAL_STATE_RET U(1)
+/* Local power state for power-down. Valid for CPU and cluster power domains */
+#define ARM_LOCAL_STATE_OFF U(2)
+/*
+ * This macro defines the deepest retention state possible.
+ * A higher state id will represent an invalid or a power down state.
+ */
+#define PLAT_MAX_RET_STATE ARM_LOCAL_STATE_RET
+/*
+ * This macro defines the deepest power down states possible. Any state ID
+ * higher than this is invalid.
+ */
+#define PLAT_MAX_OFF_STATE ARM_LOCAL_STATE_OFF
+
+/*******************************************************************************
+ * Size of the per-cpu data in bytes that should be reserved in the generic
+ * per-cpu data structure for the FVP port.
+ ******************************************************************************/
+#define PLAT_PCPU_DATA_SIZE 2
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/st/stm32mp1/include/stm32mp1_private.h b/plat/st/stm32mp1/include/stm32mp1_private.h
new file mode 100644
index 0000000..6a0449e
--- /dev/null
+++ b/plat/st/stm32mp1/include/stm32mp1_private.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __STM32MP1_PRIVATE_H__
+#define __STM32MP1_PRIVATE_H__
+
+void stm32mp1_io_setup(void);
+void configure_mmu(void);
+
+void stm32mp1_save_boot_ctx_address(uintptr_t address);
+uintptr_t stm32mp1_get_boot_ctx_address(void);
+
+#endif /* __STM32MP1_PRIVATE_H__ */
diff --git a/plat/st/stm32mp1/plat_bl2_mem_params_desc.c b/plat/st/stm32mp1/plat_bl2_mem_params_desc.c
new file mode 100644
index 0000000..6f5bc4c
--- /dev/null
+++ b/plat/st/stm32mp1/plat_bl2_mem_params_desc.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <bl_common.h>
+#include <desc_image_load.h>
+#include <platform.h>
+#include <platform_def.h>
+
+/*******************************************************************************
+ * Following descriptor provides BL image/ep information that gets used
+ * by BL2 to load the images and also subset of this information is
+ * passed to next BL image. The image loading sequence is managed by
+ * populating the images in required loading order. The image execution
+ * sequence is managed by populating the `next_handoff_image_id` with
+ * the next executable image id.
+ ******************************************************************************/
+static bl_mem_params_node_t bl2_mem_params_descs[] = {
+ /* Fill BL32 related information */
+ {
+ .image_id = BL32_IMAGE_ID,
+
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+ VERSION_2, entry_point_info_t,
+ SECURE | EXECUTABLE | EP_FIRST_EXE),
+
+ .ep_info.pc = BL32_BASE,
+ .ep_info.spsr = SPSR_MODE32(MODE32_svc, SPSR_T_ARM,
+ SPSR_E_LITTLE,
+ DISABLE_ALL_EXCEPTIONS),
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+ VERSION_2, image_info_t,
+ IMAGE_ATTRIB_PLAT_SETUP),
+
+ .image_info.image_base = BL32_BASE,
+ .image_info.image_max_size = BL32_LIMIT - BL32_BASE,
+
+ .next_handoff_image_id = BL33_IMAGE_ID,
+ },
+
+ /* Fill BL33 related information */
+ {
+ .image_id = BL33_IMAGE_ID,
+
+ SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
+ VERSION_2, entry_point_info_t,
+ NON_SECURE | EXECUTABLE),
+
+ .ep_info.pc = PLAT_STM32MP1_NS_IMAGE_OFFSET,
+ .ep_info.spsr = SPSR_MODE32(MODE32_svc, SPSR_T_ARM,
+ SPSR_E_LITTLE,
+ DISABLE_ALL_EXCEPTIONS),
+
+ SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
+ VERSION_2, image_info_t, 0),
+
+ .image_info.image_base = PLAT_STM32MP1_NS_IMAGE_OFFSET,
+ .image_info.image_max_size = STM32MP1_DDR_MAX_SIZE -
+ (PLAT_STM32MP1_NS_IMAGE_OFFSET - STM32MP1_DDR_BASE),
+
+ .next_handoff_image_id = INVALID_IMAGE_ID,
+ }
+};
+
+REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)
diff --git a/plat/st/stm32mp1/plat_image_load.c b/plat/st/stm32mp1/plat_image_load.c
new file mode 100644
index 0000000..3c6d677
--- /dev/null
+++ b/plat/st/stm32mp1/plat_image_load.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <desc_image_load.h>
+
+/*******************************************************************************
+ * This function flushes the data structures so that they are visible
+ * in memory for the next BL image.
+ ******************************************************************************/
+void plat_flush_next_bl_params(void)
+{
+ flush_bl_params_desc();
+}
+
+/*******************************************************************************
+ * This function returns the list of loadable images.
+ ******************************************************************************/
+bl_load_info_t *plat_get_bl_image_load_info(void)
+{
+ return get_bl_load_info_from_mem_params_desc();
+}
+
+/*******************************************************************************
+ * This function returns the list of executable images.
+ ******************************************************************************/
+bl_params_t *plat_get_next_bl_params(void)
+{
+ return get_next_bl_params_from_mem_params_desc();
+}
diff --git a/plat/st/stm32mp1/platform.mk b/plat/st/stm32mp1/platform.mk
new file mode 100644
index 0000000..ff390d5
--- /dev/null
+++ b/plat/st/stm32mp1/platform.mk
@@ -0,0 +1,55 @@
+#
+# Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ARM_CORTEX_A7 := yes
+ARM_WITH_NEON := yes
+LOAD_IMAGE_V2 := 1
+BL2_AT_EL3 := 1
+ENABLE_PLAT_COMPAT := 0
+USE_COHERENT_MEM := 0
+
+STM32_TF_VERSION ?= 0
+
+# Not needed for Cortex-A7
+WORKAROUND_CVE_2017_5715:= 0
+
+PLAT_INCLUDES := -Iplat/st/stm32mp1/include/
+PLAT_INCLUDES += -Iinclude/common/tbbr
+PLAT_INCLUDES += -Iinclude/drivers/st
+
+include lib/libfdt/libfdt.mk
+
+PLAT_BL_COMMON_SOURCES := plat/st/stm32mp1/stm32mp1_common.c
+
+PLAT_BL_COMMON_SOURCES += drivers/console/aarch32/console.S \
+ drivers/st/uart/aarch32/stm32_console.S
+
+ifneq (${ENABLE_STACK_PROTECTOR},0)
+PLAT_BL_COMMON_SOURCES += plat/st/stm32mp1/stm32mp1_stack_protector.c
+endif
+
+include lib/xlat_tables_v2/xlat_tables.mk
+PLAT_BL_COMMON_SOURCES += ${XLAT_TABLES_LIB_SRCS}
+
+PLAT_BL_COMMON_SOURCES += lib/cpus/aarch32/cortex_a7.S
+
+PLAT_BL_COMMON_SOURCES += ${LIBFDT_SRCS} \
+ drivers/delay_timer/delay_timer.c \
+ drivers/delay_timer/generic_delay_timer.c \
+ plat/st/stm32mp1/stm32mp1_helper.S
+
+BL2_SOURCES += drivers/io/io_dummy.c \
+ drivers/io/io_storage.c \
+ plat/st/stm32mp1/bl2_io_storage.c \
+ plat/st/stm32mp1/bl2_plat_setup.c
+
+BL2_SOURCES += common/desc_image_load.c \
+ plat/st/stm32mp1/plat_bl2_mem_params_desc.c \
+ plat/st/stm32mp1/plat_image_load.c
+
+# For memory footprint optimization, build with thumb and interwork support
+ASFLAGS += -mthumb -mthumb-interwork
+TF_CFLAGS += -mthumb -mthumb-interwork
diff --git a/plat/st/stm32mp1/stm32mp1_common.c b/plat/st/stm32mp1/stm32mp1_common.c
new file mode 100644
index 0000000..9f1126b
--- /dev/null
+++ b/plat/st/stm32mp1/stm32mp1_common.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <bl_common.h>
+#include <debug.h>
+#include <gicv2.h>
+#include <mmio.h>
+#include <platform_def.h>
+#include <platform.h>
+#include <stm32mp1_private.h>
+#include <xlat_tables_v2.h>
+
+#define MAP_SRAM MAP_REGION_FLAT(STM32MP1_SRAM_BASE, \
+ STM32MP1_SRAM_SIZE, \
+ MT_MEMORY | \
+ MT_RW | \
+ MT_SECURE | \
+ MT_EXECUTE_NEVER)
+
+#define MAP_DEVICE1 MAP_REGION_FLAT(STM32MP1_DEVICE1_BASE, \
+ STM32MP1_DEVICE1_SIZE, \
+ MT_DEVICE | \
+ MT_RW | \
+ MT_SECURE | \
+ MT_EXECUTE_NEVER)
+
+#define MAP_DEVICE2 MAP_REGION_FLAT(STM32MP1_DEVICE2_BASE, \
+ STM32MP1_DEVICE2_SIZE, \
+ MT_DEVICE | \
+ MT_RW | \
+ MT_SECURE | \
+ MT_EXECUTE_NEVER)
+
+static const mmap_region_t stm32mp1_mmap[] = {
+ MAP_SRAM,
+ MAP_DEVICE1,
+ MAP_DEVICE2,
+ {0}
+};
+
+void configure_mmu(void)
+{
+ mmap_add(stm32mp1_mmap);
+ init_xlat_tables();
+
+ enable_mmu_secure(0);
+}
+
+uintptr_t plat_get_ns_image_entrypoint(void)
+{
+ return BL33_BASE;
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return read_cntfrq_el0();
+}
+
+/* Functions to save and get boot context address given by ROM code */
+static uintptr_t boot_ctx_address;
+
+void stm32mp1_save_boot_ctx_address(uintptr_t address)
+{
+ boot_ctx_address = address;
+}
+
+uintptr_t stm32mp1_get_boot_ctx_address(void)
+{
+ return boot_ctx_address;
+}
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
new file mode 100644
index 0000000..0b46bc5
--- /dev/null
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP1_DEF_H
+#define STM32MP1_DEF_H
+
+#include <tbbr_img_def.h>
+#include <utils_def.h>
+#include <xlat_tables_defs.h>
+
+/*******************************************************************************
+ * STM32MP1 memory map related constants
+ ******************************************************************************/
+
+#define STM32MP1_SRAM_BASE U(0x2FFC0000)
+#define STM32MP1_SRAM_SIZE U(0x00040000)
+
+/* DDR configuration */
+#define STM32MP1_DDR_BASE U(0xC0000000)
+#define STM32MP1_DDR_SIZE_DFLT U(0x20000000) /* 512 MB */
+#define STM32MP1_DDR_MAX_SIZE U(0x40000000) /* Max 1GB */
+#define STM32MP1_DDR_SPEED_DFLT 528
+
+/* DDR power initializations */
+#ifndef __ASSEMBLY__
+enum ddr_type {
+ STM32MP_DDR3,
+ STM32MP_LPDDR2,
+};
+#endif
+
+/* Section used inside TF binaries */
+#define STM32MP1_PARAM_LOAD_SIZE U(0x00002400) /* 9 Ko for param */
+/* 256 Octets reserved for header */
+#define STM32MP1_HEADER_SIZE U(0x00000100)
+
+#define STM32MP1_BINARY_BASE (STM32MP1_SRAM_BASE + \
+ STM32MP1_PARAM_LOAD_SIZE + \
+ STM32MP1_HEADER_SIZE)
+
+#define STM32MP1_BINARY_SIZE (STM32MP1_SRAM_SIZE - \
+ (STM32MP1_PARAM_LOAD_SIZE + \
+ STM32MP1_HEADER_SIZE))
+
+#if STACK_PROTECTOR_ENABLED
+#define STM32MP1_BL32_SIZE U(0x00012000) /* 72 Ko for BL32 */
+#else
+#define STM32MP1_BL32_SIZE U(0x00011000) /* 68 Ko for BL32 */
+#endif
+
+#define STM32MP1_BL32_BASE (STM32MP1_SRAM_BASE + \
+ STM32MP1_SRAM_SIZE - \
+ STM32MP1_BL32_SIZE)
+
+#if STACK_PROTECTOR_ENABLED
+#define STM32MP1_BL2_SIZE U(0x00015000) /* 84 Ko for BL2 */
+#else
+#define STM32MP1_BL2_SIZE U(0x00013000) /* 76 Ko for BL2 */
+#endif
+
+#define STM32MP1_BL2_BASE (STM32MP1_BL32_BASE - \
+ STM32MP1_BL2_SIZE)
+
+/* BL2 and BL32/sp_min require 5 tables */
+#define MAX_XLAT_TABLES 5
+
+/*
+ * MAX_MMAP_REGIONS is usually:
+ * BL stm32mp1_mmap size + mmap regions in *_plat_arch_setup
+ */
+#define MAX_MMAP_REGIONS 11
+
+/* DTB initialization value */
+#define STM32MP1_DTB_SIZE U(0x00004000) /* 16Ko for DTB */
+
+#define STM32MP1_DTB_BASE (STM32MP1_BL2_BASE - \
+ STM32MP1_DTB_SIZE)
+
+#define STM32MP1_BL33_BASE (STM32MP1_DDR_BASE + U(0x100000))
+
+/*******************************************************************************
+ * STM32MP1 device/io map related constants (used for MMU)
+ ******************************************************************************/
+#define STM32MP1_DEVICE1_BASE U(0x40000000)
+#define STM32MP1_DEVICE1_SIZE U(0x40000000)
+
+#define STM32MP1_DEVICE2_BASE U(0x80000000)
+#define STM32MP1_DEVICE2_SIZE U(0x40000000)
+
+/*******************************************************************************
+ * STM32MP1 RCC
+ ******************************************************************************/
+#define RCC_BASE U(0x50000000)
+
+/*******************************************************************************
+ * STM32MP1 PWR
+ ******************************************************************************/
+#define PWR_BASE U(0x50001000)
+
+/*******************************************************************************
+ * STM32MP1 UART
+ ******************************************************************************/
+#define USART1_BASE U(0x5C000000)
+#define USART2_BASE U(0x4000E000)
+#define USART3_BASE U(0x4000F000)
+#define UART4_BASE U(0x40010000)
+#define UART5_BASE U(0x40011000)
+#define USART6_BASE U(0x44003000)
+#define UART7_BASE U(0x40018000)
+#define UART8_BASE U(0x40019000)
+#define STM32MP1_DEBUG_USART_BASE UART4_BASE
+#define STM32MP1_UART_BAUDRATE 115200
+
+/*******************************************************************************
+ * STM32MP1 GIC-400
+ ******************************************************************************/
+#define STM32MP1_GICD_BASE U(0xA0021000)
+#define STM32MP1_GICC_BASE U(0xA0022000)
+#define STM32MP1_GICH_BASE U(0xA0024000)
+#define STM32MP1_GICV_BASE U(0xA0026000)
+
+/*******************************************************************************
+ * STM32MP1 TZC (TZ400)
+ ******************************************************************************/
+#define STM32MP1_TZC_BASE U(0x5C006000)
+
+#define STM32MP1_TZC_A7_ID U(0)
+#define STM32MP1_TZC_LCD_ID U(3)
+#define STM32MP1_TZC_GPU_ID U(4)
+#define STM32MP1_TZC_MDMA_ID U(5)
+#define STM32MP1_TZC_DMA_ID U(6)
+#define STM32MP1_TZC_USB_HOST_ID U(7)
+#define STM32MP1_TZC_USB_OTG_ID U(8)
+#define STM32MP1_TZC_SDMMC_ID U(9)
+#define STM32MP1_TZC_ETH_ID U(10)
+#define STM32MP1_TZC_DAP_ID U(15)
+
+#define STM32MP1_MEMORY_NS 0
+#define STM32MP1_MEMORY_SECURE 1
+
+#define STM32MP1_FILTER_BIT_ALL 3
+
+/*******************************************************************************
+ * STM32MP1 SDMMC
+ ******************************************************************************/
+#define STM32MP1_SDMMC1_BASE U(0x58005000)
+#define STM32MP1_SDMMC2_BASE U(0x58007000)
+#define STM32MP1_SDMMC3_BASE U(0x48004000)
+
+#define STM32MP1_SD_INIT_FREQ 400000 /*400 KHz*/
+#define STM32MP1_SD_NORMAL_SPEED_MAX_FREQ 25000000 /*25 MHz*/
+#define STM32MP1_SD_HIGH_SPEED_MAX_FREQ 50000000 /*50 MHz*/
+#define STM32MP1_EMMC_INIT_FREQ STM32MP1_SD_INIT_FREQ
+#define STM32MP1_EMMC_NORMAL_SPEED_MAX_FREQ 26000000 /*26 MHz*/
+#define STM32MP1_EMMC_HIGH_SPEED_MAX_FREQ 52000000 /*52 MHz*/
+
+/*******************************************************************************
+ * STM32MP1 DDRCTRL
+ ******************************************************************************/
+#define DDRCTRL_BASE U(0x5A003000)
+
+/*******************************************************************************
+ * STM32MP1 DDRPHYC
+ ******************************************************************************/
+#define DDRPHYC_BASE U(0x5A004000)
+
+/*******************************************************************************
+ * STM32MP1 I2C4
+ ******************************************************************************/
+#define I2C4_BASE U(0x5C002000)
+
+#endif /* STM32MP1_DEF_H */
diff --git a/plat/st/stm32mp1/stm32mp1_helper.S b/plat/st/stm32mp1/stm32mp1_helper.S
new file mode 100644
index 0000000..421d957
--- /dev/null
+++ b/plat/st/stm32mp1/stm32mp1_helper.S
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <bl_common.h>
+#include <platform_def.h>
+
+ .globl platform_mem_init
+ .globl plat_report_exception
+ .globl plat_get_my_entrypoint
+ .globl plat_secondary_cold_boot_setup
+ .globl plat_reset_handler
+ .globl plat_is_my_cpu_primary
+ .globl plat_my_core_pos
+ .globl plat_panic_handler
+
+func platform_mem_init
+ /* Nothing to do, don't need to init SYSRAM */
+ bx lr
+endfunc platform_mem_init
+
+func plat_report_exception
+ bx lr
+endfunc plat_report_exception
+
+func plat_reset_handler
+ bx lr
+endfunc plat_reset_handler
+
+ /* ------------------------------------------------------------------
+ * unsigned long plat_get_my_entrypoint (void);
+ *
+ * Main job of this routine is to distinguish between a cold and warm
+ * boot.
+ *
+ * Currently supports only cold boot
+ * ------------------------------------------------------------------
+ */
+func plat_get_my_entrypoint
+ mov r0, #0
+ bx lr
+endfunc plat_get_my_entrypoint
+
+ /* ---------------------------------------------
+ * void plat_secondary_cold_boot_setup (void);
+ *
+ * Cold-booting secondary CPUs is not supported.
+ * ---------------------------------------------
+ */
+func plat_secondary_cold_boot_setup
+ b .
+endfunc plat_secondary_cold_boot_setup
+
+ /* -----------------------------------------------------
+ * unsigned int plat_is_my_cpu_primary (void);
+ *
+ * Find out whether the current cpu is the primary cpu.
+ * -----------------------------------------------------
+ */
+func plat_is_my_cpu_primary
+ ldcopr r0, MPIDR
+ ldr r1, =(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+ and r0, r1
+ cmp r0, #STM32MP1_PRIMARY_CPU
+ moveq r0, #1
+ movne r0, #0
+ bx lr
+endfunc plat_is_my_cpu_primary
+
+ /* -------------------------------------------
+ * int plat_stm32mp1_get_core_pos(int mpidr);
+ *
+ * Return CorePos = (ClusterId * 4) + CoreId
+ * -------------------------------------------
+ */
+func plat_stm32mp1_get_core_pos
+ and r1, r0, #MPIDR_CPU_MASK
+ and r0, r0, #MPIDR_CLUSTER_MASK
+ add r0, r1, r0, LSR #6
+ bx lr
+endfunc plat_stm32mp1_get_core_pos
+
+ /* ------------------------------------
+ * unsigned int plat_my_core_pos(void)
+ * ------------------------------------
+ */
+func plat_my_core_pos
+ ldcopr r0, MPIDR
+ b plat_stm32mp1_get_core_pos
+endfunc plat_my_core_pos
diff --git a/plat/st/stm32mp1/stm32mp1_stack_protector.c b/plat/st/stm32mp1/stm32mp1_stack_protector.c
new file mode 100644
index 0000000..c681300
--- /dev/null
+++ b/plat/st/stm32mp1/stm32mp1_stack_protector.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <platform.h>
+#include <stdint.h>
+
+#define RANDOM_CANARY_VALUE 2144346116U
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+ /*
+ * Ideally, a random number should be returned instead of the
+ * combination of a timer's value and a compile-time constant.
+ */
+ return RANDOM_CANARY_VALUE ^ (u_register_t)read_cntpct_el0();
+}
+
