arm64/boot: Disable trapping of PMZR_EL0 writes to EL2grafted

__init_el2_fgt2() writes one mask to both HDFGRTR2_EL2 and HDFGWTR2_EL2.
PMZR_EL0 is write-only, so its trap bit, nPMZR_EL0, exists only in
HDFGWTR2_EL2 and is therefore never set: a PMZR_EL0 write from the host
traps to EL2, where the nVHE hypervisor has no handler and BUG()s. The
kernel never writes PMZR_EL0, but kernel.perf_user_access=1 has the PMU
driver set PMUSERENR_EL0.UEN for a task with a user-read event, so a
write from EL0 reaches the trap and takes the host down without a panic
message.

Accumulate the HDFGWTR2_EL2 bits separately, as __init_el2_fgt() already
does for HDFGWTR_EL2, and set nPMZR_EL0 with the other FEAT_PMUv3p9
bits.

Fixes: 858c7bfcb35e1 ("arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9")
Cc: stable@vger.kernel.org
Signed-off-by: Fuad Tabba <fuad.tabba@linux.dev>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Oliver Upton <oupton@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>

1 files changed, 215 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/dra7.h b/include/dt-bindings/clock/dra7.h
new file mode 100644
index 000000000..8a903c78c
--- /dev/null
+++ b/include/dt-bindings/clock/dra7.h
@@ -0,0 +1,215 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2017 Texas Instruments, Inc.
+ */
+#ifndef __DT_BINDINGS_CLK_DRA7_H
+#define __DT_BINDINGS_CLK_DRA7_H
+
+#define DRA7_CLKCTRL_OFFSET	0x20
+#define DRA7_CLKCTRL_INDEX(offset)	((offset) - DRA7_CLKCTRL_OFFSET)
+
+/* mpu clocks */
+#define DRA7_MPU_MPU_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* dsp1 clocks */
+#define DRA7_DSP1_MMU0_DSP1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* ipu1 clocks */
+#define DRA7_IPU1_MMU_IPU1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* ipu clocks */
+#define DRA7_IPU_CLKCTRL_OFFSET	0x50
+#define DRA7_IPU_CLKCTRL_INDEX(offset)	((offset) - DRA7_IPU_CLKCTRL_OFFSET)
+#define DRA7_IPU_MCASP1_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x50)
+#define DRA7_IPU_TIMER5_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x58)
+#define DRA7_IPU_TIMER6_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x60)
+#define DRA7_IPU_TIMER7_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x68)
+#define DRA7_IPU_TIMER8_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x70)
+#define DRA7_IPU_I2C5_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x78)
+#define DRA7_IPU_UART6_CLKCTRL	DRA7_IPU_CLKCTRL_INDEX(0x80)
+
+/* dsp2 clocks */
+#define DRA7_DSP2_MMU0_DSP2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* rtc clocks */
+#define DRA7_RTC_RTCSS_CLKCTRL	DRA7_CLKCTRL_INDEX(0x44)
+
+/* vip clocks */
+#define DRA7_CAM_VIP1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_CAM_VIP2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+#define DRA7_CAM_VIP3_CLKCTRL	DRA7_CLKCTRL_INDEX(0x30)
+
+/* vpe clocks */
+#define DRA7_VPE_CLKCTRL_OFFSET	0x60
+#define DRA7_VPE_CLKCTRL_INDEX(offset)	((offset) - DRA7_VPE_CLKCTRL_OFFSET)
+#define DRA7_VPE_VPE_CLKCTRL	DRA7_VPE_CLKCTRL_INDEX(0x64)
+
+/* coreaon clocks */
+#define DRA7_COREAON_SMARTREFLEX_MPU_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+#define DRA7_COREAON_SMARTREFLEX_CORE_CLKCTRL	DRA7_CLKCTRL_INDEX(0x38)
+
+/* l3main1 clocks */
+#define DRA7_L3MAIN1_L3_MAIN_1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_L3MAIN1_GPMC_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+#define DRA7_L3MAIN1_TPCC_CLKCTRL	DRA7_CLKCTRL_INDEX(0x70)
+#define DRA7_L3MAIN1_TPTC0_CLKCTRL	DRA7_CLKCTRL_INDEX(0x78)
+#define DRA7_L3MAIN1_TPTC1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x80)
+#define DRA7_L3MAIN1_VCP1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x88)
+#define DRA7_L3MAIN1_VCP2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x90)
+
+/* ipu2 clocks */
+#define DRA7_IPU2_MMU_IPU2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* dma clocks */
+#define DRA7_DMA_DMA_SYSTEM_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* emif clocks */
+#define DRA7_EMIF_DMM_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+
+/* atl clocks */
+#define DRA7_ATL_CLKCTRL_OFFSET	0x0
+#define DRA7_ATL_CLKCTRL_INDEX(offset)	((offset) - DRA7_ATL_CLKCTRL_OFFSET)
+#define DRA7_ATL_ATL_CLKCTRL	DRA7_ATL_CLKCTRL_INDEX(0x0)
+
+/* l4cfg clocks */
+#define DRA7_L4CFG_L4_CFG_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_L4CFG_SPINLOCK_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+#define DRA7_L4CFG_MAILBOX1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x30)
+#define DRA7_L4CFG_MAILBOX2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x48)
+#define DRA7_L4CFG_MAILBOX3_CLKCTRL	DRA7_CLKCTRL_INDEX(0x50)
+#define DRA7_L4CFG_MAILBOX4_CLKCTRL	DRA7_CLKCTRL_INDEX(0x58)
+#define DRA7_L4CFG_MAILBOX5_CLKCTRL	DRA7_CLKCTRL_INDEX(0x60)
+#define DRA7_L4CFG_MAILBOX6_CLKCTRL	DRA7_CLKCTRL_INDEX(0x68)
+#define DRA7_L4CFG_MAILBOX7_CLKCTRL	DRA7_CLKCTRL_INDEX(0x70)
+#define DRA7_L4CFG_MAILBOX8_CLKCTRL	DRA7_CLKCTRL_INDEX(0x78)
+#define DRA7_L4CFG_MAILBOX9_CLKCTRL	DRA7_CLKCTRL_INDEX(0x80)
+#define DRA7_L4CFG_MAILBOX10_CLKCTRL	DRA7_CLKCTRL_INDEX(0x88)
+#define DRA7_L4CFG_MAILBOX11_CLKCTRL	DRA7_CLKCTRL_INDEX(0x90)
+#define DRA7_L4CFG_MAILBOX12_CLKCTRL	DRA7_CLKCTRL_INDEX(0x98)
+#define DRA7_L4CFG_MAILBOX13_CLKCTRL	DRA7_CLKCTRL_INDEX(0xa0)
+
+/* l3instr clocks */
+#define DRA7_L3INSTR_L3_MAIN_2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_L3INSTR_L3_INSTR_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+
+/* iva clocks */
+#define DRA7_IVA_CLKCTRL		DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_SL2IF_CLKCTRL		DRA7_CLKCTRL_INDEX(0x28)
+
+/* dss clocks */
+#define DRA7_DSS_DSS_CORE_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_DSS_BB2D_CLKCTRL	DRA7_CLKCTRL_INDEX(0x30)
+
+/* gpu clocks */
+#define DRA7_GPU_CLKCTRL		DRA7_CLKCTRL_INDEX(0x20)
+
+/* l3init clocks */
+#define DRA7_L3INIT_MMC1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x28)
+#define DRA7_L3INIT_MMC2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x30)
+#define DRA7_L3INIT_USB_OTG_SS2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x40)
+#define DRA7_L3INIT_USB_OTG_SS3_CLKCTRL	DRA7_CLKCTRL_INDEX(0x48)
+#define DRA7_L3INIT_USB_OTG_SS4_CLKCTRL	DRA7_CLKCTRL_INDEX(0x50)
+#define DRA7_L3INIT_SATA_CLKCTRL	DRA7_CLKCTRL_INDEX(0x88)
+#define DRA7_L3INIT_OCP2SCP1_CLKCTRL	DRA7_CLKCTRL_INDEX(0xe0)
+#define DRA7_L3INIT_OCP2SCP3_CLKCTRL	DRA7_CLKCTRL_INDEX(0xe8)
+#define DRA7_L3INIT_USB_OTG_SS1_CLKCTRL	DRA7_CLKCTRL_INDEX(0xf0)
+
+/* pcie clocks */
+#define DRA7_PCIE_CLKCTRL_OFFSET	0xb0
+#define DRA7_PCIE_CLKCTRL_INDEX(offset)	((offset) - DRA7_PCIE_CLKCTRL_OFFSET)
+#define DRA7_PCIE_PCIE1_CLKCTRL	DRA7_PCIE_CLKCTRL_INDEX(0xb0)
+#define DRA7_PCIE_PCIE2_CLKCTRL	DRA7_PCIE_CLKCTRL_INDEX(0xb8)
+
+/* gmac clocks */
+#define DRA7_GMAC_CLKCTRL_OFFSET	0xd0
+#define DRA7_GMAC_CLKCTRL_INDEX(offset)	((offset) - DRA7_GMAC_CLKCTRL_OFFSET)
+#define DRA7_GMAC_GMAC_CLKCTRL	DRA7_GMAC_CLKCTRL_INDEX(0xd0)
+
+/* l4per clocks */
+#define DRA7_L4PER_CLKCTRL_OFFSET	0x28
+#define DRA7_L4PER_CLKCTRL_INDEX(offset)	((offset) - DRA7_L4PER_CLKCTRL_OFFSET)
+#define DRA7_L4PER_TIMER10_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x28)
+#define DRA7_L4PER_TIMER11_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x30)
+#define DRA7_L4PER_TIMER2_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x38)
+#define DRA7_L4PER_TIMER3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x40)
+#define DRA7_L4PER_TIMER4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x48)
+#define DRA7_L4PER_TIMER9_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x50)
+#define DRA7_L4PER_ELM_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x58)
+#define DRA7_L4PER_GPIO2_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x60)
+#define DRA7_L4PER_GPIO3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x68)
+#define DRA7_L4PER_GPIO4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x70)
+#define DRA7_L4PER_GPIO5_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x78)
+#define DRA7_L4PER_GPIO6_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x80)
+#define DRA7_L4PER_HDQ1W_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x88)
+#define DRA7_L4PER_I2C1_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xa0)
+#define DRA7_L4PER_I2C2_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xa8)
+#define DRA7_L4PER_I2C3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xb0)
+#define DRA7_L4PER_I2C4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xb8)
+#define DRA7_L4PER_L4_PER1_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xc0)
+#define DRA7_L4PER_MCSPI1_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xf0)
+#define DRA7_L4PER_MCSPI2_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0xf8)
+#define DRA7_L4PER_MCSPI3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x100)
+#define DRA7_L4PER_MCSPI4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x108)
+#define DRA7_L4PER_GPIO7_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x110)
+#define DRA7_L4PER_GPIO8_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x118)
+#define DRA7_L4PER_MMC3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x120)
+#define DRA7_L4PER_MMC4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x128)
+#define DRA7_L4PER_UART1_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x140)
+#define DRA7_L4PER_UART2_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x148)
+#define DRA7_L4PER_UART3_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x150)
+#define DRA7_L4PER_UART4_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x158)
+#define DRA7_L4PER_UART5_CLKCTRL	DRA7_L4PER_CLKCTRL_INDEX(0x170)
+
+/* l4sec clocks */
+#define DRA7_L4SEC_CLKCTRL_OFFSET	0x1a0
+#define DRA7_L4SEC_CLKCTRL_INDEX(offset)	((offset) - DRA7_L4SEC_CLKCTRL_OFFSET)
+#define DRA7_L4SEC_AES1_CLKCTRL	DRA7_L4SEC_CLKCTRL_INDEX(0x1a0)
+#define DRA7_L4SEC_AES2_CLKCTRL	DRA7_L4SEC_CLKCTRL_INDEX(0x1a8)
+#define DRA7_L4SEC_DES_CLKCTRL	DRA7_L4SEC_CLKCTRL_INDEX(0x1b0)
+#define DRA7_L4SEC_RNG_CLKCTRL	DRA7_L4SEC_CLKCTRL_INDEX(0x1c0)
+#define DRA7_L4SEC_SHAM_CLKCTRL	DRA7_L4SEC_CLKCTRL_INDEX(0x1c8)
+#define DRA7_L4SEC_SHAM2_CLKCTRL DRA7_L4SEC_CLKCTRL_INDEX(0x1f8)
+
+/* l4per2 clocks */
+#define DRA7_L4PER2_CLKCTRL_OFFSET	0xc
+#define DRA7_L4PER2_CLKCTRL_INDEX(offset)	((offset) - DRA7_L4PER2_CLKCTRL_OFFSET)
+#define DRA7_L4PER2_L4_PER2_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0xc)
+#define DRA7_L4PER2_PRUSS1_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x18)
+#define DRA7_L4PER2_PRUSS2_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x20)
+#define DRA7_L4PER2_EPWMSS1_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x90)
+#define DRA7_L4PER2_EPWMSS2_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x98)
+#define DRA7_L4PER2_EPWMSS0_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0xc4)
+#define DRA7_L4PER2_QSPI_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x138)
+#define DRA7_L4PER2_MCASP2_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x160)
+#define DRA7_L4PER2_MCASP3_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x168)
+#define DRA7_L4PER2_MCASP5_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x178)
+#define DRA7_L4PER2_MCASP8_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x190)
+#define DRA7_L4PER2_MCASP4_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x198)
+#define DRA7_L4PER2_UART7_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x1d0)
+#define DRA7_L4PER2_UART8_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x1e0)
+#define DRA7_L4PER2_UART9_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x1e8)
+#define DRA7_L4PER2_DCAN2_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x1f0)
+#define DRA7_L4PER2_MCASP6_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x204)
+#define DRA7_L4PER2_MCASP7_CLKCTRL	DRA7_L4PER2_CLKCTRL_INDEX(0x208)
+
+/* l4per3 clocks */
+#define DRA7_L4PER3_CLKCTRL_OFFSET	0x14
+#define DRA7_L4PER3_CLKCTRL_INDEX(offset)	((offset) - DRA7_L4PER3_CLKCTRL_OFFSET)
+#define DRA7_L4PER3_L4_PER3_CLKCTRL	DRA7_L4PER3_CLKCTRL_INDEX(0x14)
+#define DRA7_L4PER3_TIMER13_CLKCTRL	DRA7_L4PER3_CLKCTRL_INDEX(0xc8)
+#define DRA7_L4PER3_TIMER14_CLKCTRL	DRA7_L4PER3_CLKCTRL_INDEX(0xd0)
+#define DRA7_L4PER3_TIMER15_CLKCTRL	DRA7_L4PER3_CLKCTRL_INDEX(0xd8)
+#define DRA7_L4PER3_TIMER16_CLKCTRL	DRA7_L4PER3_CLKCTRL_INDEX(0x130)
+
+/* wkupaon clocks */
+#define DRA7_WKUPAON_L4_WKUP_CLKCTRL	DRA7_CLKCTRL_INDEX(0x20)
+#define DRA7_WKUPAON_WD_TIMER2_CLKCTRL	DRA7_CLKCTRL_INDEX(0x30)
+#define DRA7_WKUPAON_GPIO1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x38)
+#define DRA7_WKUPAON_TIMER1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x40)
+#define DRA7_WKUPAON_TIMER12_CLKCTRL	DRA7_CLKCTRL_INDEX(0x48)
+#define DRA7_WKUPAON_COUNTER_32K_CLKCTRL	DRA7_CLKCTRL_INDEX(0x50)
+#define DRA7_WKUPAON_UART10_CLKCTRL	DRA7_CLKCTRL_INDEX(0x80)
+#define DRA7_WKUPAON_DCAN1_CLKCTRL	DRA7_CLKCTRL_INDEX(0x88)
+#define DRA7_WKUPAON_ADC_CLKCTRL	DRA7_CLKCTRL_INDEX(0xa0)
+
+#endif