mirror of
https://github.com/AsahiLinux/u-boot
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a8f33034f2
Check LS1043A/LS2080a by device ID without using personality ID to determine revision number. This check applies to all various personalities of the same SoC family. Signed-off-by: Wenbin Song <wenbin.song@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
568 lines
12 KiB
ArmAsm
568 lines
12 KiB
ArmAsm
/*
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* (C) Copyright 2014-2015 Freescale Semiconductor
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Extracted from armv8/start.S
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*/
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#include <config.h>
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#include <linux/linkage.h>
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#include <asm/gic.h>
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#include <asm/macro.h>
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#include <asm/arch-fsl-layerscape/soc.h>
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#ifdef CONFIG_MP
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#include <asm/arch/mp.h>
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#endif
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#ifdef CONFIG_FSL_LSCH3
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#include <asm/arch-fsl-layerscape/immap_lsch3.h>
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#endif
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#include <asm/u-boot.h>
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/* Get GIC offset
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* For LS1043a rev1.0, GIC base address align with 4k.
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* For LS1043a rev1.1, if DCFG_GIC400_ALIGN[GIC_ADDR_BIT]
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* is set, GIC base address align with 4K, or else align
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* with 64k.
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* output:
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* x0: the base address of GICD
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* x1: the base address of GICC
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*/
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ENTRY(get_gic_offset)
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ldr x0, =GICD_BASE
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#ifdef CONFIG_GICV2
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ldr x1, =GICC_BASE
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#endif
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#ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
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ldr x2, =DCFG_CCSR_SVR
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ldr w2, [x2]
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rev w2, w2
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lsr w3, w2, #16
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ldr w4, =SVR_DEV(SVR_LS1043A)
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cmp w3, w4
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b.ne 1f
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ands w2, w2, #0xff
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cmp w2, #REV1_0
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b.eq 1f
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ldr x2, =SCFG_GIC400_ALIGN
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ldr w2, [x2]
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rev w2, w2
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tbnz w2, #GIC_ADDR_BIT, 1f
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ldr x0, =GICD_BASE_64K
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#ifdef CONFIG_GICV2
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ldr x1, =GICC_BASE_64K
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#endif
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1:
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#endif
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ret
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ENDPROC(get_gic_offset)
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ENTRY(smp_kick_all_cpus)
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/* Kick secondary cpus up by SGI 0 interrupt */
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#if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)
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mov x29, lr /* Save LR */
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bl get_gic_offset
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bl gic_kick_secondary_cpus
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mov lr, x29 /* Restore LR */
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#endif
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ret
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ENDPROC(smp_kick_all_cpus)
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ENTRY(lowlevel_init)
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mov x29, lr /* Save LR */
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switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */
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1:
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#if defined (CONFIG_SYS_FSL_HAS_CCN504)
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/* Set Wuo bit for RN-I 20 */
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#ifdef CONFIG_ARCH_LS2080A
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ldr x0, =CCI_AUX_CONTROL_BASE(20)
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ldr x1, =0x00000010
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bl ccn504_set_aux
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/*
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* Set forced-order mode in RNI-6, RNI-20
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* This is required for performance optimization on LS2088A
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* LS2080A family does not support setting forced-order mode,
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* so skip this operation for LS2080A family
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*/
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bl get_svr
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lsr w0, w0, #16
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ldr w1, =SVR_DEV(SVR_LS2080A)
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cmp w0, w1
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b.eq 1f
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ldr x0, =CCI_AUX_CONTROL_BASE(6)
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ldr x1, =0x00000020
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bl ccn504_set_aux
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ldr x0, =CCI_AUX_CONTROL_BASE(20)
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ldr x1, =0x00000020
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bl ccn504_set_aux
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1:
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#endif
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/* Add fully-coherent masters to DVM domain */
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ldr x0, =CCI_MN_BASE
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ldr x1, =CCI_MN_RNF_NODEID_LIST
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ldr x2, =CCI_MN_DVM_DOMAIN_CTL_SET
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bl ccn504_add_masters_to_dvm
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/* Set all RN-I ports to QoS of 15 */
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(0)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(0)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(0)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(2)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(2)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(2)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(6)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(6)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(6)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(12)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(12)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(12)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(16)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(16)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(16)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S0_QOS_CONTROL_BASE(20)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S1_QOS_CONTROL_BASE(20)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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ldr x0, =CCI_S2_QOS_CONTROL_BASE(20)
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ldr x1, =0x00FF000C
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bl ccn504_set_qos
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#endif /* CONFIG_SYS_FSL_HAS_CCN504 */
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#ifdef SMMU_BASE
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/* Set the SMMU page size in the sACR register */
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ldr x1, =SMMU_BASE
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ldr w0, [x1, #0x10]
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orr w0, w0, #1 << 16 /* set sACR.pagesize to indicate 64K page */
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str w0, [x1, #0x10]
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#endif
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/* Initialize GIC Secure Bank Status */
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#if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)
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branch_if_slave x0, 1f
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bl get_gic_offset
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bl gic_init_secure
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1:
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#ifdef CONFIG_GICV3
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ldr x0, =GICR_BASE
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bl gic_init_secure_percpu
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#elif defined(CONFIG_GICV2)
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bl get_gic_offset
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bl gic_init_secure_percpu
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#endif
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#endif
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100:
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branch_if_master x0, x1, 2f
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#if defined(CONFIG_MP) && defined(CONFIG_ARMV8_MULTIENTRY)
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ldr x0, =secondary_boot_func
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blr x0
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#endif
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2:
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switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */
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1:
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#ifdef CONFIG_FSL_TZPC_BP147
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/* Set Non Secure access for all devices protected via TZPC */
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ldr x1, =TZPCDECPROT_0_SET_BASE /* Decode Protection-0 Set Reg */
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orr w0, w0, #1 << 3 /* DCFG_RESET is accessible from NS world */
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str w0, [x1]
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isb
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dsb sy
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#endif
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#ifdef CONFIG_FSL_TZASC_400
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/*
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* LS2080 and its personalities does not support TZASC
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* So skip TZASC related operations
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*/
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bl get_svr
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lsr w0, w0, #16
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ldr w1, =SVR_DEV(SVR_LS2080A)
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cmp w0, w1
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b.eq 1f
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/* Set TZASC so that:
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* a. We use only Region0 whose global secure write/read is EN
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* b. We use only Region0 whose NSAID write/read is EN
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*
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* NOTE: As per the CCSR map doc, TZASC 3 and TZASC 4 are just
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* placeholders.
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*/
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#ifdef CONFIG_FSL_TZASC_1
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ldr x1, =TZASC_GATE_KEEPER(0)
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ldr w0, [x1] /* Filter 0 Gate Keeper Register */
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orr w0, w0, #1 << 0 /* Set open_request for Filter 0 */
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str w0, [x1]
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ldr x1, =TZASC_REGION_ATTRIBUTES_0(0)
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ldr w0, [x1] /* Region-0 Attributes Register */
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orr w0, w0, #1 << 31 /* Set Sec global write en, Bit[31] */
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orr w0, w0, #1 << 30 /* Set Sec global read en, Bit[30] */
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str w0, [x1]
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ldr x1, =TZASC_REGION_ID_ACCESS_0(0)
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ldr w0, [x1] /* Region-0 Access Register */
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mov w0, #0xFFFFFFFF /* Set nsaid_wr_en and nsaid_rd_en */
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str w0, [x1]
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#endif
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#ifdef CONFIG_FSL_TZASC_2
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ldr x1, =TZASC_GATE_KEEPER(1)
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ldr w0, [x1] /* Filter 0 Gate Keeper Register */
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orr w0, w0, #1 << 0 /* Set open_request for Filter 0 */
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str w0, [x1]
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ldr x1, =TZASC_REGION_ATTRIBUTES_0(1)
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ldr w0, [x1] /* Region-1 Attributes Register */
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orr w0, w0, #1 << 31 /* Set Sec global write en, Bit[31] */
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orr w0, w0, #1 << 30 /* Set Sec global read en, Bit[30] */
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str w0, [x1]
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ldr x1, =TZASC_REGION_ID_ACCESS_0(1)
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ldr w0, [x1] /* Region-1 Attributes Register */
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mov w0, #0xFFFFFFFF /* Set nsaid_wr_en and nsaid_rd_en */
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str w0, [x1]
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#endif
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isb
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dsb sy
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#endif
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100:
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1:
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#ifdef CONFIG_ARCH_LS1046A
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switch_el x1, 1f, 100f, 100f /* skip if not in EL3 */
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1:
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/* Initialize the L2 RAM latency */
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mrs x1, S3_1_c11_c0_2
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mov x0, #0x1C7
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/* Clear L2 Tag RAM latency and L2 Data RAM latency */
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bic x1, x1, x0
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/* Set L2 data ram latency bits [2:0] */
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orr x1, x1, #0x2
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/* set L2 tag ram latency bits [8:6] */
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orr x1, x1, #0x80
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msr S3_1_c11_c0_2, x1
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isb
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100:
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#endif
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#if defined(CONFIG_FSL_LSCH2) && !defined(CONFIG_SPL_BUILD)
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bl fsl_ocram_init
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#endif
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mov lr, x29 /* Restore LR */
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ret
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ENDPROC(lowlevel_init)
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#if defined(CONFIG_FSL_LSCH2) && !defined(CONFIG_SPL_BUILD)
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ENTRY(fsl_ocram_init)
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mov x28, lr /* Save LR */
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bl fsl_clear_ocram
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bl fsl_ocram_clear_ecc_err
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mov lr, x28 /* Restore LR */
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ret
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ENDPROC(fsl_ocram_init)
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ENTRY(fsl_clear_ocram)
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/* Clear OCRAM */
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ldr x0, =CONFIG_SYS_FSL_OCRAM_BASE
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ldr x1, =(CONFIG_SYS_FSL_OCRAM_BASE + CONFIG_SYS_FSL_OCRAM_SIZE)
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mov x2, #0
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clear_loop:
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str x2, [x0]
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add x0, x0, #8
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cmp x0, x1
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b.lo clear_loop
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ret
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ENDPROC(fsl_clear_ocram)
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ENTRY(fsl_ocram_clear_ecc_err)
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/* OCRAM1/2 ECC status bit */
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mov w1, #0x60
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ldr x0, =DCSR_DCFG_SBEESR2
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str w1, [x0]
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ldr x0, =DCSR_DCFG_MBEESR2
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str w1, [x0]
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ret
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ENDPROC(fsl_ocram_init)
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#endif
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#ifdef CONFIG_FSL_LSCH3
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.globl get_svr
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get_svr:
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ldr x1, =FSL_LSCH3_SVR
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ldr w0, [x1]
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ret
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#endif
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#ifdef CONFIG_SYS_FSL_HAS_CCN504
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hnf_pstate_poll:
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/* x0 has the desired status, return 0 for success, 1 for timeout
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* clobber x1, x2, x3, x4, x6, x7
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*/
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mov x1, x0
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mov x7, #0 /* flag for timeout */
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mrs x3, cntpct_el0 /* read timer */
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add x3, x3, #1200 /* timeout after 100 microseconds */
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mov x0, #0x18
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movk x0, #0x420, lsl #16 /* HNF0_PSTATE_STATUS */
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mov w6, #8 /* HN-F node count */
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1:
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ldr x2, [x0]
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cmp x2, x1 /* check status */
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b.eq 2f
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mrs x4, cntpct_el0
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cmp x4, x3
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b.ls 1b
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mov x7, #1 /* timeout */
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b 3f
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2:
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add x0, x0, #0x10000 /* move to next node */
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subs w6, w6, #1
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cbnz w6, 1b
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3:
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mov x0, x7
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ret
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hnf_set_pstate:
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/* x0 has the desired state, clobber x1, x2, x6 */
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mov x1, x0
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/* power state to SFONLY */
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mov w6, #8 /* HN-F node count */
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mov x0, #0x10
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movk x0, #0x420, lsl #16 /* HNF0_PSTATE_REQ */
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1: /* set pstate to sfonly */
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ldr x2, [x0]
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and x2, x2, #0xfffffffffffffffc /* & HNFPSTAT_MASK */
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orr x2, x2, x1
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str x2, [x0]
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add x0, x0, #0x10000 /* move to next node */
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subs w6, w6, #1
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cbnz w6, 1b
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ret
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ENTRY(__asm_flush_l3_dcache)
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/*
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* Return status in x0
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* success 0
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* timeout 1 for setting SFONLY, 2 for FAM, 3 for both
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*/
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mov x29, lr
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mov x8, #0
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dsb sy
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mov x0, #0x1 /* HNFPSTAT_SFONLY */
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bl hnf_set_pstate
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mov x0, #0x4 /* SFONLY status */
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bl hnf_pstate_poll
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cbz x0, 1f
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mov x8, #1 /* timeout */
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1:
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dsb sy
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mov x0, #0x3 /* HNFPSTAT_FAM */
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bl hnf_set_pstate
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mov x0, #0xc /* FAM status */
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bl hnf_pstate_poll
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cbz x0, 1f
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add x8, x8, #0x2
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1:
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mov x0, x8
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mov lr, x29
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ret
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ENDPROC(__asm_flush_l3_dcache)
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#endif /* CONFIG_SYS_FSL_HAS_CCN504 */
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#ifdef CONFIG_MP
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/* Keep literals not used by the secondary boot code outside it */
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.ltorg
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/* Using 64 bit alignment since the spin table is accessed as data */
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.align 4
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.global secondary_boot_code
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/* Secondary Boot Code starts here */
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secondary_boot_code:
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.global __spin_table
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__spin_table:
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.space CONFIG_MAX_CPUS*SPIN_TABLE_ELEM_SIZE
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.align 2
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ENTRY(secondary_boot_func)
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/*
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* MPIDR_EL1 Fields:
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* MPIDR[1:0] = AFF0_CPUID <- Core ID (0,1)
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* MPIDR[7:2] = AFF0_RES
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* MPIDR[15:8] = AFF1_CLUSTERID <- Cluster ID (0,1,2,3)
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* MPIDR[23:16] = AFF2_CLUSTERID
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* MPIDR[24] = MT
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* MPIDR[29:25] = RES0
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* MPIDR[30] = U
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* MPIDR[31] = ME
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* MPIDR[39:32] = AFF3
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*
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* Linear Processor ID (LPID) calculation from MPIDR_EL1:
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* (We only use AFF0_CPUID and AFF1_CLUSTERID for now
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* until AFF2_CLUSTERID and AFF3 have non-zero values)
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*
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* LPID = MPIDR[15:8] | MPIDR[1:0]
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*/
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mrs x0, mpidr_el1
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ubfm x1, x0, #8, #15
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ubfm x2, x0, #0, #1
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orr x10, x2, x1, lsl #2 /* x10 has LPID */
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ubfm x9, x0, #0, #15 /* x9 contains MPIDR[15:0] */
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/*
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* offset of the spin table element for this core from start of spin
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* table (each elem is padded to 64 bytes)
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*/
|
|
lsl x1, x10, #6
|
|
ldr x0, =__spin_table
|
|
/* physical address of this cpus spin table element */
|
|
add x11, x1, x0
|
|
|
|
ldr x0, =__real_cntfrq
|
|
ldr x0, [x0]
|
|
msr cntfrq_el0, x0 /* set with real frequency */
|
|
str x9, [x11, #16] /* LPID */
|
|
mov x4, #1
|
|
str x4, [x11, #8] /* STATUS */
|
|
dsb sy
|
|
#if defined(CONFIG_GICV3)
|
|
gic_wait_for_interrupt_m x0
|
|
#elif defined(CONFIG_GICV2)
|
|
bl get_gic_offset
|
|
mov x0, x1
|
|
gic_wait_for_interrupt_m x0, w1
|
|
#endif
|
|
|
|
slave_cpu:
|
|
wfe
|
|
ldr x0, [x11]
|
|
cbz x0, slave_cpu
|
|
#ifndef CONFIG_ARMV8_SWITCH_TO_EL1
|
|
mrs x1, sctlr_el2
|
|
#else
|
|
mrs x1, sctlr_el1
|
|
#endif
|
|
tbz x1, #25, cpu_is_le
|
|
rev x0, x0 /* BE to LE conversion */
|
|
cpu_is_le:
|
|
ldr x5, [x11, #24]
|
|
cbz x5, 1f
|
|
|
|
#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
|
|
adr x4, secondary_switch_to_el1
|
|
ldr x5, =ES_TO_AARCH64
|
|
#else
|
|
ldr x4, [x11]
|
|
ldr x5, =ES_TO_AARCH32
|
|
#endif
|
|
bl secondary_switch_to_el2
|
|
|
|
1:
|
|
#ifdef CONFIG_ARMV8_SWITCH_TO_EL1
|
|
adr x4, secondary_switch_to_el1
|
|
#else
|
|
ldr x4, [x11]
|
|
#endif
|
|
ldr x5, =ES_TO_AARCH64
|
|
bl secondary_switch_to_el2
|
|
|
|
ENDPROC(secondary_boot_func)
|
|
|
|
ENTRY(secondary_switch_to_el2)
|
|
switch_el x6, 1f, 0f, 0f
|
|
0: ret
|
|
1: armv8_switch_to_el2_m x4, x5, x6
|
|
ENDPROC(secondary_switch_to_el2)
|
|
|
|
ENTRY(secondary_switch_to_el1)
|
|
mrs x0, mpidr_el1
|
|
ubfm x1, x0, #8, #15
|
|
ubfm x2, x0, #0, #1
|
|
orr x10, x2, x1, lsl #2 /* x10 has LPID */
|
|
|
|
lsl x1, x10, #6
|
|
ldr x0, =__spin_table
|
|
/* physical address of this cpus spin table element */
|
|
add x11, x1, x0
|
|
|
|
ldr x4, [x11]
|
|
|
|
ldr x5, [x11, #24]
|
|
cbz x5, 2f
|
|
|
|
ldr x5, =ES_TO_AARCH32
|
|
bl switch_to_el1
|
|
|
|
2: ldr x5, =ES_TO_AARCH64
|
|
|
|
switch_to_el1:
|
|
switch_el x6, 0f, 1f, 0f
|
|
0: ret
|
|
1: armv8_switch_to_el1_m x4, x5, x6
|
|
ENDPROC(secondary_switch_to_el1)
|
|
|
|
/* Ensure that the literals used by the secondary boot code are
|
|
* assembled within it (this is required so that we can protect
|
|
* this area with a single memreserve region
|
|
*/
|
|
.ltorg
|
|
|
|
/* 64 bit alignment for elements accessed as data */
|
|
.align 4
|
|
.global __real_cntfrq
|
|
__real_cntfrq:
|
|
.quad COUNTER_FREQUENCY
|
|
.globl __secondary_boot_code_size
|
|
.type __secondary_boot_code_size, %object
|
|
/* Secondary Boot Code ends here */
|
|
__secondary_boot_code_size:
|
|
.quad .-secondary_boot_code
|
|
#endif
|