feat(plat/nxp/ls1028a): add ls1028a soc support
The QorIQ LS1028A processor integrates two 64-bit ARM Cortex-A72
cores with a GPU and LCD controller, as well as a TSNenabled
Ethernet port and a TSN-enabled switch with four external ports.
Signed-off-by: Ruchika Gupta <ruchika.gupta@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Change-Id: I9f65c6af5db7e20702828cd208290c1b43a54941
diff --git a/plat/nxp/soc-ls1028a/aarch64/ls1028a.S b/plat/nxp/soc-ls1028a/aarch64/ls1028a.S
new file mode 100644
index 0000000..404c39e
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/aarch64/ls1028a.S
@@ -0,0 +1,1387 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+ .section .text, "ax"
+
+#include <asm_macros.S>
+
+#include <lib/psci/psci.h>
+#include <nxp_timer.h>
+#include <plat_gic.h>
+#include <pmu.h>
+
+#include <bl31_data.h>
+#include <plat_psci.h>
+#include <platform_def.h>
+
+ .global soc_init_lowlevel
+ .global soc_init_percpu
+ .global _set_platform_security
+ .global _soc_set_start_addr
+
+ .global _soc_core_release
+ .global _soc_ck_disabled
+ .global _soc_core_restart
+ .global _soc_core_prep_off
+ .global _soc_core_entr_off
+ .global _soc_core_exit_off
+ .global _soc_sys_reset
+ .global _soc_sys_off
+ .global _soc_core_prep_stdby
+ .global _soc_core_entr_stdby
+ .global _soc_core_exit_stdby
+ .global _soc_core_prep_pwrdn
+ .global _soc_core_entr_pwrdn
+ .global _soc_core_exit_pwrdn
+ .global _soc_clstr_prep_stdby
+ .global _soc_clstr_exit_stdby
+ .global _soc_clstr_prep_pwrdn
+ .global _soc_clstr_exit_pwrdn
+ .global _soc_sys_prep_stdby
+ .global _soc_sys_exit_stdby
+ .global _soc_sys_prep_pwrdn
+ .global _soc_sys_pwrdn_wfi
+ .global _soc_sys_exit_pwrdn
+
+ .equ TZPCDECPROT_0_SET_BASE, 0x02200804
+ .equ TZPCDECPROT_1_SET_BASE, 0x02200810
+ .equ TZPCDECPROT_2_SET_BASE, 0x0220081C
+
+ .equ TZASC_REGION_ATTRIBUTES_0_0, 0x01100110
+
+/*
+ * This function initialize the soc.
+ * in: void
+ * out: void
+ * uses x0 - x11
+ */
+func soc_init_lowlevel
+ /*
+ * Called from C, so save the non-volatile regs
+ * save these as pairs of registers to maintain the
+ * required 16-byte alignment on the stack
+ */
+ stp x4, x5, [sp, #-16]!
+ stp x6, x7, [sp, #-16]!
+ stp x8, x9, [sp, #-16]!
+ stp x10, x11, [sp, #-16]!
+ stp x12, x13, [sp, #-16]!
+ stp x18, x30, [sp, #-16]!
+
+ /*
+ * Make sure the personality has been established by releasing cores
+ * that are marked "to-be-disabled" from reset
+ */
+ bl release_disabled /* 0-8 */
+
+ /* Set SCRATCHRW7 to 0x0 */
+ ldr x0, =DCFG_SCRATCHRW7_OFFSET
+ mov x1, xzr
+ bl _write_reg_dcfg
+
+ /* Restore the aarch32/64 non-volatile registers */
+ ldp x18, x30, [sp], #16
+ ldp x12, x13, [sp], #16
+ ldp x10, x11, [sp], #16
+ ldp x8, x9, [sp], #16
+ ldp x6, x7, [sp], #16
+ ldp x4, x5, [sp], #16
+ ret
+endfunc soc_init_lowlevel
+
+/*
+ * void soc_init_percpu(void)
+ *
+ * This function performs any soc-specific initialization that is needed on
+ * a per-core basis
+ * in: none
+ * out: none
+ * uses x0 - x3
+ */
+func soc_init_percpu
+ stp x4, x30, [sp, #-16]!
+
+ bl plat_my_core_mask
+ mov x2, x0
+
+ /* x2 = core mask */
+
+ /* see if this core is marked for prefetch disable */
+ mov x0, #PREFETCH_DIS_OFFSET
+ bl _get_global_data /* 0-1 */
+ tst x0, x2
+ b.eq 1f
+ bl _disable_ldstr_pfetch_A72 /* 0 */
+1:
+ mov x0, #NXP_PMU_ADDR
+ bl enable_timer_base_to_cluster
+
+ ldp x4, x30, [sp], #16
+ ret
+endfunc soc_init_percpu
+
+/*
+ * This function determines if a core is disabled via COREDISABLEDSR
+ * in: w0 = core_mask_lsb
+ * out: w0 = 0, core not disabled
+ * w0 != 0, core disabled
+ * uses x0, x1
+ */
+func _soc_ck_disabled
+ /* get base addr of dcfg block */
+ ldr x1, =NXP_DCFG_ADDR
+
+ /* read COREDISABLEDSR */
+ ldr w1, [x1, #DCFG_COREDISABLEDSR_OFFSET]
+
+ /* test core bit */
+ and w0, w1, w0
+
+ ret
+endfunc _soc_ck_disabled
+
+/*
+ * This function sets the security mechanisms in the SoC to implement the
+ * Platform Security Policy
+ */
+func _set_platform_security
+ mov x3, x30
+
+#if (!SUPPRESS_TZC)
+ /* initialize the tzpc */
+ bl init_tzpc
+#endif
+
+#if (!SUPPRESS_SEC)
+ /* initialize secmon */
+ bl initSecMon
+#endif
+
+ mov x30, x3
+ ret
+endfunc _set_platform_security
+
+/*
+ * Part of CPU_ON
+ *
+ * This function releases a secondary core from reset
+ * in: x0 = core_mask_lsb
+ * out: none
+ * uses: x0 - x3
+ */
+_soc_core_release:
+ mov x3, x30
+
+ /*
+ * Write to CORE_HOLD to tell the bootrom that we want this core
+ * to run
+ */
+ ldr x1, =NXP_SEC_REGFILE_ADDR
+ str w0, [x1, #CORE_HOLD_OFFSET]
+
+ /* Read-modify-write BRRL to release core */
+ mov x1, #NXP_RESET_ADDR
+ ldr w2, [x1, #BRR_OFFSET]
+ orr w2, w2, w0
+ str w2, [x1, #BRR_OFFSET]
+ dsb sy
+ isb
+
+ /* Send event */
+ sev
+ isb
+
+ mov x30, x3
+ ret
+
+/*
+ * This function writes a 64-bit address to bootlocptrh/l
+ * in: x0, 64-bit address to write to BOOTLOCPTRL/H
+ * uses x0, x1, x2
+ */
+func _soc_set_start_addr
+ /* Get the 64-bit base address of the dcfg block */
+ ldr x2, =NXP_DCFG_ADDR
+
+ /* Write the 32-bit BOOTLOCPTRL register */
+ mov x1, x0
+ str w1, [x2, #DCFG_BOOTLOCPTRL_OFFSET]
+
+ /* Write the 32-bit BOOTLOCPTRH register */
+ lsr x1, x0, #32
+ str w1, [x2, #DCFG_BOOTLOCPTRH_OFFSET]
+ ret
+endfunc _soc_set_start_addr
+
+/*
+ * Part of CPU_ON
+ *
+ * This function restarts a core shutdown via _soc_core_entr_off
+ * in: x0 = core mask lsb (of the target cpu)
+ * out: x0 == 0, on success
+ * x0 != 0, on failure
+ * uses x0 - x6
+ */
+_soc_core_restart:
+ mov x6, x30
+ mov x4, x0
+
+ /* pgm GICD_CTLR - enable secure grp0 */
+ mov x5, #NXP_GICD_ADDR
+ ldr w2, [x5, #GICD_CTLR_OFFSET]
+ orr w2, w2, #GICD_CTLR_EN_GRP_0
+ str w2, [x5, #GICD_CTLR_OFFSET]
+ dsb sy
+ isb
+
+ /* Poll on RWP til write completes */
+4:
+ ldr w2, [x5, #GICD_CTLR_OFFSET]
+ tst w2, #GICD_CTLR_RWP
+ b.ne 4b
+
+ /*
+ * x4 = core mask lsb
+ * x5 = gicd base addr
+ */
+
+ mov x0, x4
+ bl get_mpidr_value
+
+ /* Generate target list bit */
+ and x1, x0, #MPIDR_AFFINITY0_MASK
+ mov x2, #1
+ lsl x2, x2, x1
+
+ /* Get the affinity1 field */
+ and x1, x0, #MPIDR_AFFINITY1_MASK
+ lsl x1, x1, #8
+ orr x2, x2, x1
+
+ /* Insert the INTID for SGI15 */
+ orr x2, x2, #ICC_SGI0R_EL1_INTID
+
+ /* Fire the SGI */
+ msr ICC_SGI0R_EL1, x2
+ dsb sy
+ isb
+
+ /* Load '0' on success */
+ mov x0, xzr
+
+ mov x30, x6
+ ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function programs SoC & GIC registers in preparation for shutting down
+ * the core
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0 - x7
+ */
+_soc_core_prep_off:
+ mov x8, x30
+ mov x7, x0
+
+ /* x7 = core mask lsb */
+
+ mrs x1, CPUECTLR_EL1
+
+ /* Set smp and disable L2 snoops in cpuectlr */
+ orr x1, x1, #CPUECTLR_SMPEN_EN
+ orr x1, x1, #CPUECTLR_DISABLE_TWALK_PREFETCH
+ bic x1, x1, #CPUECTLR_INS_PREFETCH_MASK
+ bic x1, x1, #CPUECTLR_DAT_PREFETCH_MASK
+
+ /* Set retention control in cpuectlr */
+ bic x1, x1, #CPUECTLR_TIMER_MASK
+ orr x1, x1, #CPUECTLR_TIMER_2TICKS
+ msr CPUECTLR_EL1, x1
+
+ /* Get redistributor rd base addr for this core */
+ mov x0, x7
+ bl get_gic_rd_base
+ mov x6, x0
+
+ /* Get redistributor sgi base addr for this core */
+ mov x0, x7
+ bl get_gic_sgi_base
+ mov x5, x0
+
+ /*
+ * x5 = gicr sgi base addr
+ * x6 = gicr rd base addr
+ * x7 = core mask lsb
+ */
+
+ /* Disable SGI 15 at redistributor - GICR_ICENABLER0 */
+ mov w3, #GICR_ICENABLER0_SGI15
+ str w3, [x5, #GICR_ICENABLER0_OFFSET]
+2:
+ /* Poll on rwp bit in GICR_CTLR */
+ ldr w4, [x6, #GICR_CTLR_OFFSET]
+ tst w4, #GICR_CTLR_RWP
+ b.ne 2b
+
+ /* Disable GRP1 interrupts at cpu interface */
+ msr ICC_IGRPEN1_EL3, xzr
+
+ /* Disable GRP0 ints at cpu interface */
+ msr ICC_IGRPEN0_EL1, xzr
+
+ /* Program the redistributor - poll on GICR_CTLR.RWP as needed */
+
+ /* Define SGI 15 as Grp0 - GICR_IGROUPR0 */
+ ldr w4, [x5, #GICR_IGROUPR0_OFFSET]
+ bic w4, w4, #GICR_IGROUPR0_SGI15
+ str w4, [x5, #GICR_IGROUPR0_OFFSET]
+
+ /* Define SGI 15 as Grp0 - GICR_IGRPMODR0 */
+ ldr w3, [x5, #GICR_IGRPMODR0_OFFSET]
+ bic w3, w3, #GICR_IGRPMODR0_SGI15
+ str w3, [x5, #GICR_IGRPMODR0_OFFSET]
+
+ /* Set priority of SGI 15 to highest (0x0) - GICR_IPRIORITYR3 */
+ ldr w4, [x5, #GICR_IPRIORITYR3_OFFSET]
+ bic w4, w4, #GICR_IPRIORITYR3_SGI15_MASK
+ str w4, [x5, #GICR_IPRIORITYR3_OFFSET]
+
+ /* Enable SGI 15 at redistributor - GICR_ISENABLER0 */
+ mov w3, #GICR_ISENABLER0_SGI15
+ str w3, [x5, #GICR_ISENABLER0_OFFSET]
+ dsb sy
+ isb
+3:
+ /* Poll on rwp bit in GICR_CTLR */
+ ldr w4, [x6, #GICR_CTLR_OFFSET]
+ tst w4, #GICR_CTLR_RWP
+ b.ne 3b
+
+ /* Quiesce the debug interfaces */
+ mrs x3, osdlr_el1
+ orr x3, x3, #OSDLR_EL1_DLK_LOCK
+ msr osdlr_el1, x3
+ isb
+
+ /* Enable grp0 ints */
+ mov x3, #ICC_IGRPEN0_EL1_EN
+ msr ICC_IGRPEN0_EL1, x3
+
+ /*
+ * x5 = gicr sgi base addr
+ * x6 = gicr rd base addr
+ * x7 = core mask lsb
+ */
+
+ /* Clear any pending interrupts */
+ mvn w1, wzr
+ str w1, [x5, #GICR_ICPENDR0_OFFSET]
+
+ /* Make sure system counter is enabled */
+ ldr x3, =NXP_TIMER_ADDR
+ ldr w0, [x3, #SYS_COUNTER_CNTCR_OFFSET]
+ tst w0, #SYS_COUNTER_CNTCR_EN
+ b.ne 4f
+ orr w0, w0, #SYS_COUNTER_CNTCR_EN
+ str w0, [x3, #SYS_COUNTER_CNTCR_OFFSET]
+4:
+ /* Enable the core timer and mask timer interrupt */
+ mov x1, #CNTP_CTL_EL0_EN
+ orr x1, x1, #CNTP_CTL_EL0_IMASK
+ msr cntp_ctl_el0, x1
+
+ isb
+ mov x30, x8
+ ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function performs the final steps to shutdown the core
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0 - x5
+ */
+_soc_core_entr_off:
+ mov x5, x30
+ mov x4, x0
+
+ /* x4 = core mask */
+1:
+ /* Enter low-power state by executing wfi */
+ wfi
+
+ /* See if SGI15 woke us up */
+ mrs x2, ICC_IAR0_EL1
+ mov x3, #ICC_IAR0_EL1_SGI15
+ cmp x2, x3
+ b.ne 1b
+
+ /* Deactivate the int */
+ msr ICC_EOIR0_EL1, x2
+
+ /* x4 = core mask */
+2:
+ /* Check if core has been turned on */
+ mov x0, x4
+ bl _getCoreState
+
+ /* x0 = core state */
+
+ cmp x0, #CORE_WAKEUP
+ b.ne 1b
+
+ /* If we get here, then we have exited the wfi */
+ mov x30, x5
+ ret
+
+/*
+ * Part of CPU_OFF
+ *
+ * This function starts the process of starting a core back up
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2, x3, x4, x5, x6
+ */
+_soc_core_exit_off:
+ mov x6, x30
+ mov x5, x0
+
+ /* Disable forwarding of GRP0 ints at cpu interface */
+ msr ICC_IGRPEN0_EL1, xzr
+
+ /* Get redistributor sgi base addr for this core */
+ mov x0, x5
+ bl get_gic_sgi_base
+ mov x4, x0
+
+ /* x4 = gicr sgi base addr */
+ /* x5 = core mask */
+
+ /* Disable SGI 15 at redistributor - GICR_ICENABLER0 */
+ mov w1, #GICR_ICENABLER0_SGI15
+ str w1, [x4, #GICR_ICENABLER0_OFFSET]
+
+ /* Get redistributor rd base addr for this core */
+ mov x0, x5
+ bl get_gic_rd_base
+ mov x4, x0
+
+ /* x4 = gicr rd base addr */
+2:
+ /* Poll on rwp bit in GICR_CTLR */
+ ldr w2, [x4, #GICR_CTLR_OFFSET]
+ tst w2, #GICR_CTLR_RWP
+ b.ne 2b
+
+ /* x4 = gicr rd base addr */
+
+ /* Unlock the debug interfaces */
+ mrs x3, osdlr_el1
+ bic x3, x3, #OSDLR_EL1_DLK_LOCK
+ msr osdlr_el1, x3
+ isb
+
+ dsb sy
+ isb
+ mov x30, x6
+ ret
+
+/*
+ * This function requests a reset of the entire SOC
+ * in: none
+ * out: none
+ * uses: x0, x1, x2, x3, x4, x5, x6
+ */
+_soc_sys_reset:
+ mov x3, x30
+
+ /* Make sure the mask is cleared in the reset request mask register */
+ mov x0, #RST_RSTRQMR1_OFFSET
+ mov w1, wzr
+ bl _write_reg_reset
+
+ /* Set the reset request */
+ mov x4, #RST_RSTCR_OFFSET
+ mov x0, x4
+ mov w1, #RSTCR_RESET_REQ
+ bl _write_reg_reset
+
+ /* x4 = RST_RSTCR_OFFSET */
+
+ /*
+ * Just in case this address range is mapped as cacheable,
+ * flush the write out of the dcaches
+ */
+ mov x2, #NXP_RESET_ADDR
+ add x2, x2, x4
+ dc cvac, x2
+ dsb st
+ isb
+
+ /* This function does not return */
+1:
+ wfi
+ b 1b
+
+/*
+ * Part of SYSTEM_OFF
+ *
+ * This function turns off the SoC clocks
+ * Note: this function is not intended to return, and the only allowable
+ * recovery is POR
+ * in: none
+ * out: none
+ * uses x0, x1, x2, x3
+ */
+_soc_sys_off:
+ /*
+ * Disable sec, spi and flexspi
+ * TBD - Check if eNETC needs to be disabled
+ */
+ ldr x2, =NXP_DCFG_ADDR
+ ldr x0, =DCFG_DEVDISR1_OFFSET
+ ldr w1, =DCFG_DEVDISR1_SEC
+ str w1, [x2, x0]
+ ldr x0, =DCFG_DEVDISR4_OFFSET
+ ldr w1, =DCFG_DEVDISR4_SPI_QSPI
+ str w1, [x2, x0]
+
+ /* Set TPMWAKEMR0 */
+ ldr x0, =TPMWAKEMR0_ADDR
+ mov w1, #0x1
+ str w1, [x0]
+
+ /* Disable icache, dcache, mmu @ EL1 */
+ mov x1, #SCTLR_I_C_M_MASK
+ mrs x0, sctlr_el1
+ bic x0, x0, x1
+ msr sctlr_el1, x0
+
+ /* Disable L2 prefetches */
+ mrs x0, CPUECTLR_EL1
+ orr x0, x0, #CPUECTLR_SMPEN_EN
+ bic x0, x0, #CPUECTLR_TIMER_MASK
+ orr x0, x0, #CPUECTLR_TIMER_2TICKS
+ msr CPUECTLR_EL1, x0
+ dsb sy
+ isb
+
+ /* Disable CCI snoop domain */
+ ldr x0, =NXP_CCI_ADDR
+ mov w1, #0x1
+ str w1, [x0]
+
+ bl get_pmu_idle_core_mask
+
+ /* x3 = pmu base addr */
+ mov x3, #NXP_PMU_ADDR
+4:
+ ldr w1, [x3, #PMU_PCPW20SR_OFFSET]
+ cmp w1, w0
+ b.ne 4b
+
+ bl get_pmu_idle_cluster_mask
+ mov x3, #NXP_PMU_ADDR
+ str w0, [x3, #PMU_CLAINACTSETR_OFFSET]
+
+ bl get_pmu_idle_core_mask
+ mov x3, #NXP_PMU_ADDR
+1:
+ ldr w1, [x3, #PMU_PCPW20SR_OFFSET]
+ cmp w1, w0
+ b.ne 1b
+
+ bl get_pmu_flush_cluster_mask
+ mov x3, #NXP_PMU_ADDR
+ str w0, [x3, #PMU_CLL2FLUSHSETR_OFFSET]
+2:
+ ldr w1, [x3, #PMU_CLL2FLUSHSR_OFFSET]
+ cmp w1, w0
+ b.ne 2b
+
+ str w0, [x3, #PMU_CLSL2FLUSHCLRR_OFFSET]
+
+ str w0, [x3, #PMU_CLSINACTSETR_OFFSET]
+
+ mov x2, #DAIF_SET_MASK
+ mrs x1, spsr_el1
+ orr x1, x1, x2
+ msr spsr_el1, x1
+
+ mrs x1, spsr_el2
+ orr x1, x1, x2
+ msr spsr_el2, x1
+
+ /* Force the debug interface to be quiescent */
+ mrs x0, osdlr_el1
+ orr x0, x0, #0x1
+ msr osdlr_el1, x0
+
+ /* Invalidate all TLB entries at all 3 exception levels */
+ tlbi alle1
+ tlbi alle2
+ tlbi alle3
+
+ /* x3 = pmu base addr */
+
+ /* Request lpm20 */
+ ldr x0, =PMU_POWMGTCSR_OFFSET
+ ldr w1, =PMU_POWMGTCSR_VAL
+ str w1, [x3, x0]
+ isb
+ dsb sy
+5:
+ wfe
+ b.eq 5b
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_core_prep_stdby:
+ /* Clear CPUECTLR_EL1[2:0] */
+ mrs x1, CPUECTLR_EL1
+ bic x1, x1, #CPUECTLR_TIMER_MASK
+ msr CPUECTLR_EL1, x1
+
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core into standby state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0
+ */
+_soc_core_entr_stdby:
+ /* X0 = core mask lsb */
+ dsb sy
+ isb
+ wfi
+
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_core_exit_stdby:
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to power-down
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2
+ */
+_soc_core_prep_pwrdn:
+ /* Make sure system counter is enabled */
+ ldr x2, =NXP_TIMER_ADDR
+ ldr w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+ tst w0, #SYS_COUNTER_CNTCR_EN
+ b.ne 1f
+ orr w0, w0, #SYS_COUNTER_CNTCR_EN
+ str w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+1:
+ /*
+ * Enable dynamic retention control (CPUECTLR[2:0])
+ * Set the SMPEN bit (CPUECTLR[6])
+ */
+ mrs x1, CPUECTLR_EL1
+ bic x1, x1, #CPUECTLR_RET_MASK
+ orr x1, x1, #CPUECTLR_TIMER_2TICKS
+ orr x1, x1, #CPUECTLR_SMPEN_EN
+ msr CPUECTLR_EL1, x1
+
+ isb
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core into a power-down state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0
+ */
+_soc_core_entr_pwrdn:
+ /* X0 = core mask lsb */
+ dsb sy
+ isb
+ wfi
+
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_core_exit_pwrdn:
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_clstr_prep_stdby:
+ /* Clear CPUECTLR_EL1[2:0] */
+ mrs x1, CPUECTLR_EL1
+ bic x1, x1, #CPUECTLR_TIMER_MASK
+ msr CPUECTLR_EL1, x1
+
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_clstr_exit_stdby:
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to power-down
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2
+ */
+_soc_clstr_prep_pwrdn:
+ /* Make sure system counter is enabled */
+ ldr x2, =NXP_TIMER_ADDR
+ ldr w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+ tst w0, #SYS_COUNTER_CNTCR_EN
+ b.ne 1f
+ orr w0, w0, #SYS_COUNTER_CNTCR_EN
+ str w0, [x2, #SYS_COUNTER_CNTCR_OFFSET]
+1:
+ /*
+ * Enable dynamic retention control (CPUECTLR[2:0])
+ * Set the SMPEN bit (CPUECTLR[6])
+ */
+ mrs x1, CPUECTLR_EL1
+ bic x1, x1, #CPUECTLR_RET_MASK
+ orr x1, x1, #CPUECTLR_TIMER_2TICKS
+ orr x1, x1, #CPUECTLR_SMPEN_EN
+ msr CPUECTLR_EL1, x1
+
+ isb
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_clstr_exit_pwrdn:
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to standby
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_sys_prep_stdby:
+ /* Clear CPUECTLR_EL1[2:0] */
+ mrs x1, CPUECTLR_EL1
+ bic x1, x1, #CPUECTLR_TIMER_MASK
+ msr CPUECTLR_EL1, x1
+
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after standby state
+ * in: x0 = core mask lsb
+ * out: none
+ * uses none
+ */
+_soc_sys_exit_stdby:
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs SoC-specific programming prior to
+ * suspend-to-power-down
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1, x2, x3, x4
+ */
+_soc_sys_prep_pwrdn:
+ /* Set retention control */
+ mrs x0, CPUECTLR_EL1
+ bic x0, x0, #CPUECTLR_TIMER_MASK
+ orr x0, x0, #CPUECTLR_TIMER_2TICKS
+ orr x0, x0, #CPUECTLR_SMPEN_EN
+ msr CPUECTLR_EL1, x0
+ dsb sy
+ isb
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function puts the calling core, and potentially the soc, into a
+ * low-power state
+ * in: x0 = core mask lsb
+ * out: x0 = 0, success
+ * x0 < 0, failure
+ * uses x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x13, x14, x15,
+ * x16, x17, x18
+ */
+_soc_sys_pwrdn_wfi:
+ mov x18, x30
+
+ mov x3, #NXP_PMU_ADDR
+
+ /* x3 = pmu base addr */
+
+ /* Backup epu registers to stack */
+ ldr x2, =NXP_EPU_ADDR
+ ldr w4, [x2, #EPU_EPIMCR10_OFFSET]
+ ldr w5, [x2, #EPU_EPCCR10_OFFSET]
+ ldr w6, [x2, #EPU_EPCTR10_OFFSET]
+ ldr w7, [x2, #EPU_EPGCR_OFFSET]
+ stp x4, x5, [sp, #-16]!
+ stp x6, x7, [sp, #-16]!
+
+ /*
+ * x2 = epu base addr
+ * x3 = pmu base addr
+ */
+
+ /* Set up EPU event to receive the wake signal from PMU */
+ mov w4, #EPU_EPIMCR10_VAL
+ mov w5, #EPU_EPCCR10_VAL
+ mov w6, #EPU_EPCTR10_VAL
+ mov w7, #EPU_EPGCR_VAL
+ str w4, [x2, #EPU_EPIMCR10_OFFSET]
+ str w5, [x2, #EPU_EPCCR10_OFFSET]
+ str w6, [x2, #EPU_EPCTR10_OFFSET]
+ str w7, [x2, #EPU_EPGCR_OFFSET]
+
+ ldr x2, =NXP_GICD_ADDR
+
+ /*
+ * x2 = gicd base addr
+ * x3 = pmu base addr
+ */
+
+ /* Backup flextimer/mmc/usb interrupt router */
+ ldr x0, =GICD_IROUTER60_OFFSET
+ ldr x1, =GICD_IROUTER76_OFFSET
+ ldr w4, [x2, x0]
+ ldr w5, [x2, x1]
+ ldr x0, =GICD_IROUTER112_OFFSET
+ ldr x1, =GICD_IROUTER113_OFFSET
+ ldr w6, [x2, x0]
+ ldr w7, [x2, x1]
+ stp x4, x5, [sp, #-16]!
+ stp x6, x7, [sp, #-16]!
+
+ /*
+ * x2 = gicd base addr
+ * x3 = pmu base addr
+ * x0 = GICD_IROUTER112_OFFSET
+ * x1 = GICD_IROUTER113_OFFSET
+ */
+
+ /* Re-route interrupt to cluster 1 */
+ ldr w4, =GICD_IROUTER_VALUE
+ str w4, [x2, x0]
+ str w4, [x2, x1]
+ ldr x0, =GICD_IROUTER60_OFFSET
+ ldr x1, =GICD_IROUTER76_OFFSET
+ str w4, [x2, x0]
+ str w4, [x2, x1]
+ dsb sy
+ isb
+
+ /* x3 = pmu base addr */
+
+ /* Disable sec, Check for eNETC, spi and qspi */
+ ldr x2, =NXP_DCFG_ADDR
+ ldr x0, =DCFG_DEVDISR1_OFFSET
+ ldr w1, =DCFG_DEVDISR1_SEC
+ str w1, [x2, x0]
+
+ ldr x0, =DCFG_DEVDISR4_OFFSET
+ ldr w1, =DCFG_DEVDISR4_SPI_QSPI
+ str w1, [x2, x0]
+
+ /* x3 = pmu base addr */
+
+ /* Set TPMWAKEMR0 */
+ ldr x0, =TPMWAKEMR0_ADDR
+ mov w1, #0x1
+ str w1, [x0]
+
+ /* Disable CCI snoop domain */
+ ldr x0, =NXP_CCI_ADDR
+ mov w1, #0x1
+ str w1, [x0]
+
+ /* Setup retention control */
+ mrs x0, CPUECTLR_EL1
+ orr x0, x0, #CPUECTLR_SMPEN_EN
+ orr x0, x0, #CPUECTLR_TIMER_2TICKS
+ msr CPUECTLR_EL1, x0
+ dsb sy
+ isb
+
+ bl get_pmu_idle_core_mask
+ mov x3, #NXP_PMU_ADDR
+8:
+ ldr w1, [x3, #PMU_PCPW20SR_OFFSET]
+ cmp w1, w0
+ b.ne 8b
+
+ /* x3 = NXP_PMU_ADDR */
+ /* 1 cluster SoC */
+
+ bl get_pmu_idle_cluster_mask
+ mov x3, #NXP_PMU_ADDR
+
+ str w0, [x3, #PMU_CLAINACTSETR_OFFSET]
+
+ bl get_pmu_idle_core_mask
+ /* x3 = NXP_PMU_ADDR */
+ mov x3, #NXP_PMU_ADDR
+1:
+ ldr w1, [x3, #PMU_PCPW20SR_OFFSET]
+ cmp w1, w0
+ b.ne 1b
+
+ /* x3 = NXP_PMU_ADDR */
+ bl get_pmu_flush_cluster_mask
+ mov x3, #NXP_PMU_ADDR
+
+ str w0, [x3, #PMU_CLL2FLUSHSETR_OFFSET]
+
+ /* x3 = NXP_PMU_ADDR */
+2:
+ ldr w1, [x3, #PMU_CLL2FLUSHSR_OFFSET]
+ cmp w1, w0
+ b.ne 2b
+
+ /* x3 = NXP_PMU_ADDR */
+
+ str w0, [x3, #PMU_CLSL2FLUSHCLRR_OFFSET]
+
+ str w0, [x3, #PMU_CLSINACTSETR_OFFSET]
+
+ /* Force the debug interface to be quiescent */
+ mrs x0, osdlr_el1
+ orr x0, x0, #0x1
+ msr osdlr_el1, x0
+
+ /*
+ * Enable the WakeRequest signal
+ * x3 is cpu mask starting from cpu1 to cpu0
+ */
+ bl get_tot_num_cores
+ sub x0, x0, #1
+ mov x3, #0x1
+ lsl x3, x3, x0
+2:
+ mov x0, x3
+ bl get_gic_rd_base // 0-2
+ ldr w1, [x0, #GICR_WAKER_OFFSET]
+ orr w1, w1, #GICR_WAKER_SLEEP_BIT
+ str w1, [x0, #GICR_WAKER_OFFSET]
+1:
+ ldr w1, [x0, #GICR_WAKER_OFFSET]
+ cmp w1, #GICR_WAKER_ASLEEP
+ b.ne 1b
+
+ lsr x3, x3, #1
+ cbnz x3, 2b
+
+ /* Invalidate all TLB entries at all 3 exception levels */
+ tlbi alle1
+ tlbi alle2
+ tlbi alle3
+
+ /* Request lpm20 */
+ mov x3, #NXP_PMU_ADDR
+ ldr x0, =PMU_POWMGTCSR_OFFSET
+ ldr w1, =PMU_POWMGTCSR_VAL
+ str w1, [x3, x0]
+
+ ldr x5, =NXP_EPU_ADDR
+4:
+ wfe
+ ldr w1, [x5, #EPU_EPCTR10_OFFSET]
+ cmp w1, #0
+ b.eq 4b
+
+ /* x3 = NXP_PMU_ADDR */
+
+ bl get_pmu_idle_cluster_mask
+ mov x3, NXP_PMU_ADDR
+
+ /* Re-enable the GPP ACP */
+ str w0, [x3, #PMU_CLAINACTCLRR_OFFSET]
+ str w0, [x3, #PMU_CLSINACTCLRR_OFFSET]
+
+ /* x3 = NXP_PMU_ADDR */
+3:
+ ldr w1, [x3, #PMU_CLAINACTSETR_OFFSET]
+ cbnz w1, 3b
+4:
+ ldr w1, [x3, #PMU_CLSINACTSETR_OFFSET]
+ cbnz w1, 4b
+
+ /*
+ * Enable the WakeRequest signal on cpu 0-1
+ * x3 is cpu mask starting from cpu1
+ */
+ bl get_tot_num_cores
+ sub x0, x0, #1
+ mov x3, #0x1
+ lsl x3, x3, x0
+2:
+ mov x0, x3
+ bl get_gic_rd_base // 0-2
+ ldr w1, [x0, #GICR_WAKER_OFFSET]
+ bic w1, w1, #GICR_WAKER_SLEEP_BIT
+ str w1, [x0, #GICR_WAKER_OFFSET]
+1:
+ ldr w1, [x0, #GICR_WAKER_OFFSET]
+ cbnz w1, 1b
+
+ lsr x3, x3, #1
+ cbnz x3, 2b
+
+ /* Enable CCI snoop domain */
+ ldr x0, =NXP_CCI_ADDR
+ str wzr, [x0]
+ dsb sy
+ isb
+
+ ldr x3, =NXP_EPU_ADDR
+
+ /* x3 = epu base addr */
+
+ /* Enable sec, enetc, spi and qspi */
+ ldr x2, =NXP_DCFG_ADDR
+ str wzr, [x2, #DCFG_DEVDISR1_OFFSET]
+ str wzr, [x2, #DCFG_DEVDISR2_OFFSET]
+ str wzr, [x2, #DCFG_DEVDISR4_OFFSET]
+
+ /* Restore flextimer/mmc/usb interrupt router */
+ ldr x3, =NXP_GICD_ADDR
+ ldp x0, x2, [sp], #16
+ ldr x1, =GICD_IROUTER113_OFFSET
+ str w2, [x3, x1]
+ ldr x1, =GICD_IROUTER112_OFFSET
+ str w0, [x3, x1]
+ ldp x0, x2, [sp], #16
+ ldr x1, =GICD_IROUTER76_OFFSET
+ str w2, [x3, x1]
+ ldr x1, =GICD_IROUTER60_OFFSET
+ str w0, [x3, x1]
+
+ /* Restore EPU registers */
+ ldr x3, =NXP_EPU_ADDR
+ ldp x0, x2, [sp], #16
+ str w2, [x3, #EPU_EPGCR_OFFSET]
+ str w0, [x3, #EPU_EPCTR10_OFFSET]
+ ldp x2, x1, [sp], #16
+ str w1, [x3, #EPU_EPCCR10_OFFSET]
+ str w2, [x3, #EPU_EPIMCR10_OFFSET]
+
+ dsb sy
+ isb
+ mov x30, x18
+ ret
+
+/*
+ * Part of CPU_SUSPEND
+ *
+ * This function performs any SoC-specific cleanup after power-down
+ * in: x0 = core mask lsb
+ * out: none
+ * uses x0, x1
+ */
+_soc_sys_exit_pwrdn:
+ /* Enable stack alignment checking */
+ mrs x1, SCTLR_EL1
+ orr x1, x1, #0x4
+ msr SCTLR_EL1, x1
+
+ /* Enable debug interface */
+ mrs x1, osdlr_el1
+ bic x1, x1, #OSDLR_EL1_DLK_LOCK
+ msr osdlr_el1, x1
+
+ /* Enable i-cache */
+ mrs x1, SCTLR_EL3
+ orr x1, x1, #SCTLR_I_MASK
+ msr SCTLR_EL3, x1
+
+ isb
+ ret
+
+/*
+ * This function setc up the TrustZone Address Space Controller (TZASC)
+ * in: none
+ * out: none
+ * uses x0, x1
+ */
+init_tzpc:
+ /* Set Non Secure access for all devices protected via TZPC */
+ ldr x1, =TZPCDECPROT_0_SET_BASE /* decode Protection-0 Set Reg */
+ mov w0, #0xFF /* set decode region to NS, Bits[7:0] */
+ str w0, [x1]
+
+ ldr x1, =TZPCDECPROT_1_SET_BASE /* decode Protection-1 Set Reg */
+ mov w0, #0xFF /* set decode region to NS, Bits[7:0] */
+ str w0, [x1]
+
+ ldr x1, =TZPCDECPROT_2_SET_BASE /* decode Protection-2 Set Reg */
+ mov w0, #0xFF /* set decode region to NS, Bits[7:0] */
+ str w0, [x1]
+
+ /* entire SRAM as NS */
+ ldr x1, =NXP_OCRAM_TZPC_ADDR /* secure RAM region size Reg */
+ mov w0, #0x00000000 /* 0x00000000 = no secure region */
+ str w0, [x1]
+
+ ret
+
+/*
+ * This function performs any needed initialization on SecMon for
+ * boot services
+ */
+initSecMon:
+ /* Read the register hpcomr */
+ ldr x1, =NXP_SNVS_ADDR
+ ldr w0, [x1, #SECMON_HPCOMR_OFFSET]
+ /* Turn off secure access for the privileged registers */
+ orr w0, w0, #SECMON_HPCOMR_NPSWAEN
+ /* Write back */
+ str w0, [x1, #SECMON_HPCOMR_OFFSET]
+
+ ret
+
+/*
+ * This function checks to see if cores which are to be disabled have been
+ * released from reset - if not, it releases them
+ * in: none
+ * out: none
+ * uses x0, x1, x2, x3, x4, x5, x6, x7, x8
+ */
+release_disabled:
+ stp x18, x30, [sp, #-16]!
+
+ /*
+ * Get the number of cpus on this device
+ * Calling the below c function.
+ * No need to Callee saved registers x9-x15,
+ * as these registers are not used by the callee
+ * prior to calling the below C-routine.
+ */
+ bl get_tot_num_cores
+ mov x6, x0
+
+ /* Read COREDISABLESR */
+ mov x0, #NXP_DCFG_ADDR
+ ldr w4, [x0, #DCFG_COREDISABLEDSR_OFFSET]
+
+ mov x0, #NXP_RESET_ADDR
+ ldr w5, [x0, #BRR_OFFSET]
+
+ /* Load the core mask for the first core */
+ mov x7, #1
+
+ /*
+ * x4 = COREDISABLESR
+ * x5 = BRR
+ * x6 = loop count
+ * x7 = core mask bit
+ */
+2:
+ /* Check if the core is to be disabled */
+ tst x4, x7
+ b.eq 1f
+
+ /* See if disabled cores have already been released from reset */
+ tst x5, x7
+ b.ne 1f
+
+ /* If core has not been released, then release it (0-3) */
+ mov x0, x7
+ bl _soc_core_release
+
+ /* Record the core state in the data area (0-3) */
+ mov x0, x7
+ mov x1, #CORE_DISABLED
+ bl _setCoreState
+1:
+ /* Decrement the counter */
+ subs x6, x6, #1
+ b.le 3f
+ /* Shift the core mask to the next core */
+ lsl x7, x7, #1
+ /* Continue */
+ b 2b
+3:
+ ldp x18, x30, [sp], #16
+ ret
+
+/*
+ * Write a register in the DCFG block
+ * in: x0 = offset
+ * in: w1 = value to write
+ * uses x0, x1, x2
+ */
+_write_reg_dcfg:
+ ldr x2, =NXP_DCFG_ADDR
+ str w1, [x2, x0]
+ ret
+
+/*
+ * Read a register in the DCFG block
+ * in: x0 = offset
+ * out: w0 = value read
+ * uses x0, x1, x2
+ */
+_read_reg_dcfg:
+ ldr x2, =NXP_DCFG_ADDR
+ ldr w1, [x2, x0]
+ mov w0, w1
+ ret
+
+/*
+ * This function returns an mpidr value for a core, given a core_mask_lsb
+ * in: x0 = core mask lsb
+ * out: x0 = affinity2:affinity1:affinity0, where affinity is 8-bits
+ * uses x0, x1
+ */
+get_mpidr_value:
+ /* Convert a core mask to an SoC core number */
+ clz w0, w0
+ mov w1, #31
+ sub w0, w1, w0
+
+ /* Get the mpidr core number from the SoC core number */
+ mov w1, wzr
+ tst x0, #1
+ b.eq 1f
+ orr w1, w1, #1
+1:
+ /* Extract the cluster number */
+ lsr w0, w0, #1
+ orr w0, w1, w0, lsl #8
+
+ ret
+
+/*
+ * This function returns the redistributor base address for the core specified
+ * in x1
+ * in: x0 - core mask lsb of specified core
+ * out: x0 = redistributor rd base address for specified core
+ * uses x0, x1, x2
+ */
+get_gic_rd_base:
+ /* Get the 0-based core number */
+ clz w1, w0
+ mov w2, #0x20
+ sub w2, w2, w1
+ sub w2, w2, #1
+
+ /* x2 = core number / loop counter */
+ ldr x0, =NXP_GICR_ADDR
+ mov x1, #GIC_RD_OFFSET
+2:
+ cbz x2, 1f
+ add x0, x0, x1
+ sub x2, x2, #1
+ b 2b
+1:
+ ret
+
+/*
+ * This function returns the redistributor base address for the core specified
+ * in x1
+ * in: x0 - core mask lsb of specified core
+ * out: x0 = redistributor sgi base address for specified core
+ * uses x0, x1, x2
+ */
+get_gic_sgi_base:
+ /* Get the 0-based core number */
+ clz w1, w0
+ mov w2, #0x20
+ sub w2, w2, w1
+ sub w2, w2, #1
+
+ /* x2 = core number / loop counter */
+ ldr x0, =NXP_GICR_SGI_ADDR
+ mov x1, #GIC_SGI_OFFSET
+2:
+ cbz x2, 1f
+ add x0, x0, x1
+ sub x2, x2, #1
+ b 2b
+1:
+ ret
+
+/*
+ * Write a register in the RESET block
+ * in: x0 = offset
+ * in: w1 = value to write
+ * uses x0, x1, x2
+ */
+_write_reg_reset:
+ ldr x2, =NXP_RESET_ADDR
+ str w1, [x2, x0]
+ ret
+
+/*
+ * Read a register in the RESET block
+ * in: x0 = offset
+ * out: w0 = value read
+ * uses x0, x1
+ */
+_read_reg_reset:
+ ldr x1, =NXP_RESET_ADDR
+ ldr w0, [x1, x0]
+ ret
diff --git a/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S b/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S
new file mode 100644
index 0000000..ec67529
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/aarch64/ls1028a_helpers.S
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+#include <platform_def.h>
+
+.globl plat_secondary_cold_boot_setup
+.globl plat_is_my_cpu_primary
+.globl plat_reset_handler
+.globl platform_mem_init
+
+func platform_mem1_init
+ ret
+endfunc platform_mem1_init
+
+func platform_mem_init
+ ret
+endfunc platform_mem_init
+
+func apply_platform_errata
+ ret
+endfunc apply_platform_errata
+
+func plat_reset_handler
+ mov x29, x30
+ bl apply_platform_errata
+
+#if defined(IMAGE_BL31)
+ ldr x0, =POLICY_SMMU_PAGESZ_64K
+ cbz x0, 1f
+ /* Set the SMMU page size in the sACR register */
+ bl _set_smmu_pagesz_64
+#endif
+1:
+ mov x30, x29
+ ret
+endfunc plat_reset_handler
+
+/*
+ * void plat_secondary_cold_boot_setup (void);
+ *
+ * This function performs any platform specific actions
+ * needed for a secondary cpu after a cold reset e.g
+ * mark the cpu's presence, mechanism to place it in a
+ * holding pen etc.
+ */
+func plat_secondary_cold_boot_setup
+ /* ls1028a does not do cold boot for secondary CPU */
+cb_panic:
+ b cb_panic
+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
+ mrs x0, mpidr_el1
+ and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+ cmp x0, 0x0
+ cset w0, eq
+ ret
+endfunc plat_is_my_cpu_primary
diff --git a/plat/nxp/soc-ls1028a/include/soc.h b/plat/nxp/soc-ls1028a/include/soc.h
new file mode 100644
index 0000000..b1d044a
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/include/soc.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SOC_H
+#define SOC_H
+
+/* Chassis specific defines - common across SoC's of a particular platform */
+#include <dcfg_lsch3.h>
+#include <soc_default_base_addr.h>
+#include <soc_default_helper_macros.h>
+
+/*
+ * SVR Definition of LS1028A
+ * (not include major and minor rev)
+ * These info is listed in Table B-6. DCFG differences
+ * between LS1028A and LS1027A of LS1028ARM(Reference Manual)
+ */
+#define SVR_LS1017AN 0x870B25
+#define SVR_LS1017AE 0x870B24
+#define SVR_LS1018AN 0x870B21
+#define SVR_LS1018AE 0x870B20
+#define SVR_LS1027AN 0x870B05
+#define SVR_LS1027AE 0x870B04
+#define SVR_LS1028AN 0x870B01
+#define SVR_LS1028AE 0x870B00
+
+/* Number of cores in platform */
+#define PLATFORM_CORE_COUNT 2
+#define NUMBER_OF_CLUSTERS 1
+#define CORES_PER_CLUSTER 2
+
+/* Set to 0 if the clusters are not symmetrical */
+#define SYMMETRICAL_CLUSTERS 1
+
+#define NUM_DRAM_REGIONS 3
+
+#define NXP_DRAM0_ADDR 0x80000000
+#define NXP_DRAM0_MAX_SIZE 0x80000000 /* 2GB */
+
+#define NXP_DRAM1_ADDR 0x2080000000
+#define NXP_DRAM1_MAX_SIZE 0x1F80000000 /* 126G */
+
+#define NXP_DRAM2_ADDR 0x6000000000
+#define NXP_DRAM2_MAX_SIZE 0x2000000000 /* 128G */
+
+/* DRAM0 Size defined in platform_def.h */
+#define NXP_DRAM0_SIZE PLAT_DEF_DRAM0_SIZE
+
+/* CCSR space memory Map */
+#undef NXP_UART_ADDR
+#define NXP_UART_ADDR 0x021C0500
+
+#undef NXP_UART1_ADDR
+#define NXP_UART1_ADDR 0x021C0600
+
+#undef NXP_WDOG1_TZ_ADDR
+#define NXP_WDOG1_TZ_ADDR 0x023C0000
+
+#undef NXP_GICR_ADDR
+#define NXP_GICR_ADDR 0x06040000
+
+#undef NXP_GICR_SGI_ADDR
+#define NXP_GICR_SGI_ADDR 0x06050000
+
+/* EPU register offsets and values */
+#define EPU_EPGCR_OFFSET 0x0
+#define EPU_EPIMCR10_OFFSET 0x128
+#define EPU_EPCTR10_OFFSET 0xa28
+#define EPU_EPCCR10_OFFSET 0x828
+#define EPU_EPCCR10_VAL 0xb2800000
+#define EPU_EPIMCR10_VAL 0xba000000
+#define EPU_EPCTR10_VAL 0x0
+#define EPU_EPGCR_VAL (1 << 31)
+
+/* PORSR1 */
+#define PORSR1_RCW_MASK 0x07800000
+#define PORSR1_RCW_SHIFT 23
+
+#define SDHC1_VAL 0x8
+#define SDHC2_VAL 0x9
+#define I2C1_VAL 0xa
+#define FLEXSPI_NAND2K_VAL 0xc
+#define FLEXSPI_NAND4K_VAL 0xd
+#define FLEXSPI_NOR 0xf
+
+/*
+ * Required LS standard platform porting definitions
+ * for CCI-400
+ */
+#define NXP_CCI_CLUSTER0_SL_IFACE_IX 4
+
+/* Defines required for using XLAT tables from ARM common code */
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ull << 40)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ull << 40)
+
+/* Clock Divisors */
+#define NXP_PLATFORM_CLK_DIVIDER 1
+#define NXP_UART_CLK_DIVIDER 2
+
+/* dcfg register offsets and values */
+#define DCFG_DEVDISR2_ENETC (1 << 31)
+
+#define MPIDR_AFFINITY0_MASK 0x00FF
+#define MPIDR_AFFINITY1_MASK 0xFF00
+#define CPUECTLR_DISABLE_TWALK_PREFETCH 0x4000000000
+#define CPUECTLR_INS_PREFETCH_MASK 0x1800000000
+#define CPUECTLR_DAT_PREFETCH_MASK 0x0300000000
+#define OSDLR_EL1_DLK_LOCK 0x1
+#define CNTP_CTL_EL0_EN 0x1
+#define CNTP_CTL_EL0_IMASK 0x2
+
+#define SYSTEM_PWR_DOMAINS 1
+#define PLAT_NUM_PWR_DOMAINS (PLATFORM_CORE_COUNT + \
+ NUMBER_OF_CLUSTERS + \
+ SYSTEM_PWR_DOMAINS)
+
+/* Power state coordination occurs at the system level */
+#define PLAT_PD_COORD_LVL MPIDR_AFFLVL2
+#define PLAT_MAX_PWR_LVL PLAT_PD_COORD_LVL
+
+/* Local power state for power domains in Run state */
+#define LS_LOCAL_STATE_RUN PSCI_LOCAL_STATE_RUN
+
+/* define retention state */
+#define PLAT_MAX_RET_STATE (PSCI_LOCAL_STATE_RUN + 1)
+#define LS_LOCAL_STATE_RET PLAT_MAX_RET_STATE
+
+/* define power-down state */
+#define PLAT_MAX_OFF_STATE (PLAT_MAX_RET_STATE + 1)
+#define LS_LOCAL_STATE_OFF PLAT_MAX_OFF_STATE
+
+/* One cache line needed for bakery locks on ARM platforms */
+#define PLAT_PERCPU_BAKERY_LOCK_SIZE (1 * CACHE_WRITEBACK_GRANULE)
+
+#ifndef __ASSEMBLER__
+/* CCI slave interfaces */
+static const int cci_map[] = {
+ NXP_CCI_CLUSTER0_SL_IFACE_IX,
+};
+void soc_init_lowlevel(void);
+void soc_init_percpu(void);
+void _soc_set_start_addr(unsigned long addr);
+void _set_platform_security(void);
+#endif
+
+#endif /* SOC_H */
diff --git a/plat/nxp/soc-ls1028a/soc.c b/plat/nxp/soc-ls1028a/soc.c
new file mode 100644
index 0000000..4f67154
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.c
@@ -0,0 +1,420 @@
+/*
+ * Copyright 2018-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <endian.h>
+
+#include <arch.h>
+#include <caam.h>
+#include <cassert.h>
+#include <cci.h>
+#include <common/debug.h>
+#include <dcfg.h>
+#include <i2c.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <ls_interconnect.h>
+#include <mmio.h>
+#if TRUSTED_BOARD_BOOT
+#include <nxp_smmu.h>
+#endif
+#include <nxp_timer.h>
+#ifdef CONFIG_OCRAM_ECC_EN
+#include <ocram.h>
+#endif
+#include <plat_console.h>
+#include <plat_gic.h>
+#include <plat_tzc400.h>
+#include <pmu.h>
+#include <scfg.h>
+#if defined(NXP_SFP_ENABLED)
+#include <sfp.h>
+#endif
+
+#include <errata.h>
+#include "plat_common.h"
+#include "platform_def.h"
+#include "soc.h"
+
+static dcfg_init_info_t dcfg_init_data = {
+ .g_nxp_dcfg_addr = NXP_DCFG_ADDR,
+ .nxp_sysclk_freq = NXP_SYSCLK_FREQ,
+ .nxp_ddrclk_freq = NXP_DDRCLK_FREQ,
+ .nxp_plat_clk_divider = NXP_PLATFORM_CLK_DIVIDER,
+};
+
+static struct soc_type soc_list[] = {
+ SOC_ENTRY(LS1017AN, LS1017AN, 1, 1),
+ SOC_ENTRY(LS1017AE, LS1017AE, 1, 1),
+ SOC_ENTRY(LS1018AN, LS1018AN, 1, 1),
+ SOC_ENTRY(LS1018AE, LS1018AE, 1, 1),
+ SOC_ENTRY(LS1027AN, LS1027AN, 1, 2),
+ SOC_ENTRY(LS1027AE, LS1027AE, 1, 2),
+ SOC_ENTRY(LS1028AN, LS1028AN, 1, 2),
+ SOC_ENTRY(LS1028AE, LS1028AE, 1, 2),
+};
+
+CASSERT(NUMBER_OF_CLUSTERS && NUMBER_OF_CLUSTERS <= 256,
+ assert_invalid_ls1028a_cluster_count);
+
+/*
+ * Function returns the base counter frequency
+ * after reading the first entry at CNTFID0 (0x20 offset).
+ *
+ * Function is used by:
+ * 1. ARM common code for PSCI management.
+ * 2. ARM Generic Timer init.
+ *
+ */
+unsigned int plat_get_syscnt_freq2(void)
+{
+ unsigned int counter_base_frequency;
+ /*
+ * Below register specifies the base frequency of the system counter.
+ * As per NXP Board Manuals:
+ * The system counter always works with SYS_REF_CLK/4 frequency clock.
+ */
+ counter_base_frequency = mmio_read_32(NXP_TIMER_ADDR + CNTFID_OFF);
+
+ return counter_base_frequency;
+}
+
+#ifdef IMAGE_BL2
+void soc_preload_setup(void)
+{
+}
+
+void soc_early_init(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+#ifdef CONFIG_OCRAM_ECC_EN
+ ocram_init(NXP_OCRAM_ADDR, NXP_OCRAM_SIZE);
+#endif
+ dcfg_init(&dcfg_init_data);
+ enable_timer_base_to_cluster(NXP_PMU_ADDR);
+ enable_core_tb(NXP_PMU_ADDR);
+ dram_regions_info_t *dram_regions_info = get_dram_regions_info();
+
+#ifdef POLICY_FUSE_PROVISION
+ gpio_init(&gpio_init_data);
+ sec_init(NXP_CAAM_ADDR);
+#endif
+
+#if LOG_LEVEL > 0
+ /* Initialize the console to provide early debug support */
+ plat_console_init(NXP_CONSOLE_ADDR,
+ NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE);
+#endif
+ enum boot_device dev = get_boot_dev();
+ /*
+ * Mark the buffer for SD in OCRAM as non secure.
+ * The buffer is assumed to be at end of OCRAM for
+ * the logic below to calculate TZPC programming
+ */
+ if (dev == BOOT_DEVICE_EMMC || dev == BOOT_DEVICE_SDHC2_EMMC) {
+ /*
+ * Calculate the region in OCRAM which is secure
+ * The buffer for SD needs to be marked non-secure
+ * to allow SD to do DMA operations on it
+ */
+ uint32_t secure_region = (NXP_OCRAM_SIZE - NXP_SD_BLOCK_BUF_SIZE);
+ uint32_t mask = secure_region/TZPC_BLOCK_SIZE;
+
+ mmio_write_32(NXP_OCRAM_TZPC_ADDR, mask);
+
+ /* Add the entry for buffer in MMU Table */
+ mmap_add_region(NXP_SD_BLOCK_BUF_ADDR, NXP_SD_BLOCK_BUF_ADDR,
+ NXP_SD_BLOCK_BUF_SIZE, MT_DEVICE | MT_RW | MT_NS);
+ }
+
+#if TRUSTED_BOARD_BOOT
+ uint32_t mode;
+
+ sfp_init(NXP_SFP_ADDR);
+
+ /*
+ * For secure boot disable SMMU.
+ * Later when platform security policy comes in picture,
+ * this might get modified based on the policy
+ */
+ if (check_boot_mode_secure(&mode) == true) {
+ bypass_smmu(NXP_SMMU_ADDR);
+ }
+
+ /*
+ * For Mbedtls currently crypto is not supported via CAAM
+ * enable it when that support is there. In tbbr.mk
+ * the CAAM_INTEG is set as 0.
+ */
+#ifndef MBEDTLS_X509
+ /* Initialize the crypto accelerator if enabled */
+ if (is_sec_enabled()) {
+ sec_init(NXP_CAAM_ADDR);
+ } else {
+ INFO("SEC is disabled.\n");
+ }
+#endif
+#endif
+
+ /* Set eDDRTQ for DDR performance */
+ scfg_setbits32((void *)(NXP_SCFG_ADDR + 0x210), 0x1f1f1f1f);
+
+ soc_errata();
+
+ /*
+ * Initialize Interconnect for this cluster during cold boot.
+ * No need for locks as no other CPU is active.
+ */
+ cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map));
+
+ /*
+ * Enable Interconnect coherency for the primary CPU's cluster.
+ */
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ plat_ls_interconnect_enter_coherency(num_clusters);
+
+ delay_timer_init(NXP_TIMER_ADDR);
+ i2c_init(NXP_I2C_ADDR);
+ dram_regions_info->total_dram_size = init_ddr();
+}
+
+void soc_bl2_prepare_exit(void)
+{
+#if defined(NXP_SFP_ENABLED) && defined(DISABLE_FUSE_WRITE)
+ set_sfp_wr_disable();
+#endif
+}
+
+/*
+ * This function returns the boot device based on RCW_SRC
+ */
+enum boot_device get_boot_dev(void)
+{
+ enum boot_device src = BOOT_DEVICE_NONE;
+ uint32_t porsr1;
+ uint32_t rcw_src;
+
+ porsr1 = read_reg_porsr1();
+
+ rcw_src = (porsr1 & PORSR1_RCW_MASK) >> PORSR1_RCW_SHIFT;
+ switch (rcw_src) {
+ case FLEXSPI_NOR:
+ src = BOOT_DEVICE_FLEXSPI_NOR;
+ INFO("RCW BOOT SRC is FLEXSPI NOR\n");
+ break;
+ case FLEXSPI_NAND2K_VAL:
+ case FLEXSPI_NAND4K_VAL:
+ INFO("RCW BOOT SRC is FLEXSPI NAND\n");
+ src = BOOT_DEVICE_FLEXSPI_NAND;
+ break;
+ case SDHC1_VAL:
+ src = BOOT_DEVICE_EMMC;
+ INFO("RCW BOOT SRC is SD\n");
+ break;
+ case SDHC2_VAL:
+ src = BOOT_DEVICE_SDHC2_EMMC;
+ INFO("RCW BOOT SRC is EMMC\n");
+ break;
+ default:
+ break;
+ }
+
+ return src;
+}
+
+/*
+ * This function sets up access permissions on memory regions
+ ****************************************************************************/
+void soc_mem_access(void)
+{
+ dram_regions_info_t *info_dram_regions = get_dram_regions_info();
+ struct tzc400_reg tzc400_reg_list[MAX_NUM_TZC_REGION];
+ int dram_idx = 0;
+ /* index 0 is reserved for region-0 */
+ int index = 1;
+
+ for (dram_idx = 0; dram_idx < info_dram_regions->num_dram_regions;
+ dram_idx++) {
+ if (info_dram_regions->region[dram_idx].size == 0) {
+ ERROR("DDR init failure, or");
+ ERROR("DRAM regions not populated correctly.\n");
+ break;
+ }
+
+ index = populate_tzc400_reg_list(tzc400_reg_list,
+ dram_idx, index,
+ info_dram_regions->region[dram_idx].addr,
+ info_dram_regions->region[dram_idx].size,
+ NXP_SECURE_DRAM_SIZE, NXP_SP_SHRD_DRAM_SIZE);
+ }
+
+ mem_access_setup(NXP_TZC_ADDR, index, tzc400_reg_list);
+}
+
+#else
+
+static unsigned char _power_domain_tree_desc[NUMBER_OF_CLUSTERS + 2];
+/*
+ * This function dynamically constructs the topology according to
+ * SoC Flavor and returns it.
+ */
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+ unsigned int i;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ /*
+ * The highest level is the system level. The next level is constituted
+ * by clusters and then cores in clusters.
+ */
+ _power_domain_tree_desc[0] = 1;
+ _power_domain_tree_desc[1] = num_clusters;
+
+ for (i = 0; i < _power_domain_tree_desc[1]; i++)
+ _power_domain_tree_desc[i + 2] = cores_per_cluster;
+
+ return _power_domain_tree_desc;
+}
+
+/*
+ * This function returns the core count within the cluster corresponding to
+ * `mpidr`.
+ */
+unsigned int plat_ls_get_cluster_core_count(u_register_t mpidr)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ return num_clusters;
+}
+
+void soc_early_platform_setup2(void)
+{
+ dcfg_init(&dcfg_init_data);
+ /* Initialize system level generic timer for Socs */
+ delay_timer_init(NXP_TIMER_ADDR);
+
+#if LOG_LEVEL > 0
+ /* Initialize the console to provide early debug support */
+ plat_console_init(NXP_CONSOLE_ADDR,
+ NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE);
+#endif
+}
+
+void soc_platform_setup(void)
+{
+ /* Initialize the GIC driver, cpu and distributor interfaces */
+ static uintptr_t target_mask_array[PLATFORM_CORE_COUNT];
+ static interrupt_prop_t ls_interrupt_props[] = {
+ PLAT_LS_G1S_IRQ_PROPS(INTR_GROUP1S),
+ PLAT_LS_G0_IRQ_PROPS(INTR_GROUP0)
+ };
+
+ plat_ls_gic_driver_init(NXP_GICD_ADDR, NXP_GICR_ADDR,
+ PLATFORM_CORE_COUNT,
+ ls_interrupt_props,
+ ARRAY_SIZE(ls_interrupt_props),
+ target_mask_array,
+ plat_core_pos);
+
+ plat_ls_gic_init();
+ enable_init_timer();
+}
+
+/* This function initializes the soc from the BL31 module */
+void soc_init(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+
+ /* Low-level init of the soc */
+ soc_init_lowlevel();
+ _init_global_data();
+ soc_init_percpu();
+ _initialize_psci();
+
+ /*
+ * Initialize Interconnect for this cluster during cold boot.
+ * No need for locks as no other CPU is active.
+ */
+ cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map));
+
+ /* Enable Interconnect coherency for the primary CPU's cluster. */
+ plat_ls_interconnect_enter_coherency(num_clusters);
+
+ /* Set platform security policies */
+ _set_platform_security();
+
+ /* Init SEC Engine which will be used by SiP */
+ if (is_sec_enabled()) {
+ sec_init(NXP_CAAM_ADDR);
+ } else {
+ INFO("SEC is disabled.\n");
+ }
+}
+
+#ifdef NXP_WDOG_RESTART
+static uint64_t wdog_interrupt_handler(uint32_t id, uint32_t flags,
+ void *handle, void *cookie)
+{
+ uint8_t data = WDOG_RESET_FLAG;
+
+ wr_nv_app_data(WDT_RESET_FLAG_OFFSET,
+ (uint8_t *)&data, sizeof(data));
+
+ mmio_write_32(NXP_RST_ADDR + RSTCNTL_OFFSET, SW_RST_REQ_INIT);
+
+ return 0;
+}
+#endif
+
+void soc_runtime_setup(void)
+{
+#ifdef NXP_WDOG_RESTART
+ request_intr_type_el3(BL31_NS_WDOG_WS1, wdog_interrupt_handler);
+#endif
+}
+
+/* This function returns the total number of cores in the SoC. */
+unsigned int get_tot_num_cores(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ return (num_clusters * cores_per_cluster);
+}
+
+/* This function returns the PMU IDLE Cluster mask. */
+unsigned int get_pmu_idle_cluster_mask(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ return ((1 << num_clusters) - 2);
+}
+
+/* This function returns the PMU Flush Cluster mask. */
+unsigned int get_pmu_flush_cluster_mask(void)
+{
+ uint8_t num_clusters, cores_per_cluster;
+
+ get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster);
+ return ((1 << num_clusters) - 2);
+}
+
+/* This function returns the PMU idle core mask. */
+unsigned int get_pmu_idle_core_mask(void)
+{
+ return ((1 << get_tot_num_cores()) - 2);
+}
+
+/* Function to return the SoC SYS CLK */
+unsigned int get_sys_clk(void)
+{
+ return NXP_SYSCLK_FREQ;
+}
+#endif
diff --git a/plat/nxp/soc-ls1028a/soc.def b/plat/nxp/soc-ls1028a/soc.def
new file mode 100644
index 0000000..e133982
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.def
@@ -0,0 +1,95 @@
+#
+# Copyright 2018-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+#------------------------------------------------------------------------------
+#
+# This file contains the basic architecture definitions that drive the build
+#
+# -----------------------------------------------------------------------------
+
+CORE_TYPE := a72
+
+CACHE_LINE := 6
+
+# Set to GIC400 or GIC500
+GIC := GIC500
+
+# Set to CCI400 or CCN504 or CCN508
+INTERCONNECT := CCI400
+
+# Layerscape chassis level - set to 3=LSCH3 or 2=LSCH2
+CHASSIS := 3_2
+
+# TZC used is TZC380 or TZC400
+TZC_ID := TZC400
+
+# CONSOLE is NS16550 or PL011
+CONSOLE := NS16550
+
+# DDR PHY generation to be used
+PLAT_DDR_PHY := PHY_GEN1
+
+PHYS_SYS := 64
+
+# Max Size of CSF header. Required to define BL2 TEXT LIMIT in soc.def
+# Input to CST create_hdr_esbc tool
+CSF_HDR_SZ := 0x3000
+
+# In IMAGE_BL2, compile time flag for handling Cache coherency
+# with CAAM for BL2 running from OCRAM
+SEC_MEM_NON_COHERENT := yes
+
+# OCRAM MAP for BL2
+# Before BL2
+# 0x18000000 - 0x18009fff -> Used by ROM code
+# 0x1800a000 - 0x1800dfff -> CSF header for BL2
+# For FlexSFlexSPI boot
+# 0x1800e000 - 0x18040000 -> Reserved for BL2 binary
+# For SD boot
+# 0x1800e000 - 0x18030000 -> Reserved for BL2 binary
+# 0x18030000 - 0x18040000 -> Reserved for SD buffer
+OCRAM_START_ADDR := 0x18000000
+OCRAM_SIZE := 0x40000
+
+# Area of OCRAM reserved by ROM code
+NXP_ROM_RSVD := 0xa000
+
+# Location of BL2 on OCRAM
+BL2_BASE_ADDR := $(shell echo $$(( $(OCRAM_START_ADDR) + $(NXP_ROM_RSVD) + $(CSF_HDR_SZ) )))
+
+# Covert to HEX to be used by create_pbl.mk
+BL2_BASE := $(shell echo "0x"$$(echo "obase=16; ${BL2_BASE_ADDR}" | bc))
+
+# BL2_HDR_LOC is at (BL2_BASE + NXP_ROM_RSVD)
+# This value BL2_HDR_LOC + CSF_HDR_SZ should not
+# overalp with BL2_BASE
+# Input to CST create_hdr_isbc tool
+BL2_HDR_LOC := 0x1800A000
+
+# SoC ERRATAS to be enabled
+ERRATA_SOC_A008850 := 1
+
+ERRATA_DDR_A009803 := 1
+ERRATA_DDR_A009942 := 1
+ERRATA_DDR_A010165 := 1
+
+# Enable dynamic memory mapping
+PLAT_XLAT_TABLES_DYNAMIC := 1
+
+# Define Endianness of each module
+NXP_GUR_ENDIANNESS := LE
+NXP_DDR_ENDIANNESS := LE
+NXP_SEC_ENDIANNESS := LE
+NXP_SFP_ENDIANNESS := LE
+NXP_SNVS_ENDIANNESS := LE
+NXP_ESDHC_ENDIANNESS := LE
+NXP_QSPI_ENDIANNESS := LE
+NXP_FSPI_ENDIANNESS := LE
+
+NXP_SFP_VER := 3_4
+
+# OCRAM ECC Enabled
+OCRAM_ECC_EN := yes
diff --git a/plat/nxp/soc-ls1028a/soc.mk b/plat/nxp/soc-ls1028a/soc.mk
new file mode 100644
index 0000000..92d8e98
--- /dev/null
+++ b/plat/nxp/soc-ls1028a/soc.mk
@@ -0,0 +1,113 @@
+#
+# Copyright 2020-2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# SoC-specific build parameters
+SOC := ls1028a
+PLAT_PATH := plat/nxp
+PLAT_COMMON_PATH := plat/nxp/common
+PLAT_DRIVERS_PATH := drivers/nxp
+PLAT_SOC_PATH := ${PLAT_PATH}/soc-${SOC}
+BOARD_PATH := ${PLAT_SOC_PATH}/${BOARD}
+
+# Get SoC-specific definitions
+include ${PLAT_SOC_PATH}/soc.def
+include ${PLAT_COMMON_PATH}/plat_make_helper/soc_common_def.mk
+include ${PLAT_COMMON_PATH}/plat_make_helper/plat_build_macros.mk
+
+ifeq (${TRUSTED_BOARD_BOOT},1)
+$(eval $(call SET_NXP_MAKE_FLAG,SMMU_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,SFP_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,SNVS_NEEDED,BL2))
+SECURE_BOOT := yes
+endif
+$(eval $(call SET_NXP_MAKE_FLAG,CRYPTO_NEEDED,BL_COMM))
+
+$(eval $(call SET_NXP_MAKE_FLAG,DCFG_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,TIMER_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,INTERCONNECT_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,GIC_NEEDED,BL31))
+$(eval $(call SET_NXP_MAKE_FLAG,CONSOLE_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,PMU_NEEDED,BL_COMM))
+$(eval $(call SET_NXP_MAKE_FLAG,DDR_DRIVER_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,TZASC_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,I2C_NEEDED,BL2))
+$(eval $(call SET_NXP_MAKE_FLAG,IMG_LOADR_NEEDED,BL2))
+
+# Selecting PSCI & SIP_SVC support
+$(eval $(call SET_NXP_MAKE_FLAG,PSCI_NEEDED,BL31))
+$(eval $(call SET_NXP_MAKE_FLAG,SIPSVC_NEEDED,BL31))
+
+PLAT_INCLUDES += -I${PLAT_COMMON_PATH}/include/default\
+ -I${BOARD_PATH}\
+ -I${PLAT_COMMON_PATH}/include/default/ch_${CHASSIS}\
+ -I${PLAT_SOC_PATH}/include\
+ -I${PLAT_COMMON_PATH}/soc_errata
+
+ifeq (${SECURE_BOOT},yes)
+include ${PLAT_COMMON_PATH}/tbbr/tbbr.mk
+endif
+
+ifeq ($(WARM_BOOT),yes)
+include ${PLAT_COMMON_PATH}/warm_reset/warm_reset.mk
+endif
+
+ifeq (${NXP_NV_SW_MAINT_LAST_EXEC_DATA}, yes)
+include ${PLAT_COMMON_PATH}/nv_storage/nv_storage.mk
+endif
+
+ifeq (${PSCI_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/psci/psci.mk
+endif
+
+ifeq (${SIPSVC_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/sip_svc/sipsvc.mk
+endif
+
+ifeq (${DDR_FIP_IO_NEEDED}, yes)
+include ${PLAT_COMMON_PATH}/fip_handler/ddr_fip/ddr_fip_io.mk
+endif
+
+# For fuse-fip & fuse-programming
+ifeq (${FUSE_PROG}, 1)
+include ${PLAT_COMMON_PATH}/fip_handler/fuse_fip/fuse.mk
+endif
+
+ifeq (${IMG_LOADR_NEEDED},yes)
+include $(PLAT_COMMON_PATH)/img_loadr/img_loadr.mk
+endif
+
+# Adding source files for the above selected drivers.
+include ${PLAT_DRIVERS_PATH}/drivers.mk
+
+# Adding SoC specific files
+include ${PLAT_COMMON_PATH}/soc_errata/errata.mk
+
+PLAT_INCLUDES += ${NV_STORAGE_INCLUDES}\
+ ${WARM_RST_INCLUDES}
+
+BL31_SOURCES += ${PLAT_SOC_PATH}/$(ARCH)/${SOC}.S\
+ ${WARM_RST_BL31_SOURCES}\
+ ${PSCI_SOURCES}\
+ ${SIPSVC_SOURCES}\
+ ${PLAT_COMMON_PATH}/$(ARCH)/bl31_data.S
+
+PLAT_BL_COMMON_SOURCES += ${PLAT_COMMON_PATH}/$(ARCH)/ls_helpers.S\
+ ${PLAT_SOC_PATH}/aarch64/${SOC}_helpers.S\
+ ${NV_STORAGE_SOURCES}\
+ ${WARM_RST_BL_COMM_SOURCES}\
+ ${PLAT_SOC_PATH}/soc.c
+
+ifeq (${TEST_BL31}, 1)
+BL31_SOURCES += ${PLAT_SOC_PATH}/$(ARCH)/bootmain64.S \
+ ${PLAT_SOC_PATH}/$(ARCH)/nonboot64.S
+endif
+
+BL2_SOURCES += ${DDR_CNTLR_SOURCES}\
+ ${TBBR_SOURCES}\
+ ${FUSE_SOURCES}
+
+# Adding TFA setup files
+include ${PLAT_PATH}/common/setup/common.mk