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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bb932ad980
Recent experiments have shown many cores share 0x1E0 register used for clock management. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
60 lines
3.0 KiB
C
60 lines
3.0 KiB
C
#ifndef LINUX_BCMA_REGS_H_
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#define LINUX_BCMA_REGS_H_
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/* Some single registers are shared between many cores */
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/* BCMA_CLKCTLST: ChipCommon (rev >= 20), PCIe, 80211 */
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#define BCMA_CLKCTLST 0x01E0 /* Clock control and status */
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#define BCMA_CLKCTLST_FORCEALP 0x00000001 /* Force ALP request */
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#define BCMA_CLKCTLST_FORCEHT 0x00000002 /* Force HT request */
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#define BCMA_CLKCTLST_FORCEILP 0x00000004 /* Force ILP request */
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#define BCMA_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
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#define BCMA_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
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#define BCMA_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
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#define BCMA_CLKCTLST_EXTRESREQ 0x00000700 /* Mask of external resource requests */
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#define BCMA_CLKCTLST_HAVEALP 0x00010000 /* ALP available */
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#define BCMA_CLKCTLST_HAVEHT 0x00020000 /* HT available */
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#define BCMA_CLKCTLST_BP_ON_ALP 0x00040000 /* RO: running on ALP clock */
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#define BCMA_CLKCTLST_BP_ON_HT 0x00080000 /* RO: running on HT clock */
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#define BCMA_CLKCTLST_EXTRESST 0x07000000 /* Mask of external resource status */
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/* Is there any BCM4328 on BCMA bus? */
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#define BCMA_CLKCTLST_4328A0_HAVEHT 0x00010000 /* 4328a0 has reversed bits */
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#define BCMA_CLKCTLST_4328A0_HAVEALP 0x00020000 /* 4328a0 has reversed bits */
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/* Agent registers (common for every core) */
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#define BCMA_IOCTL 0x0408 /* IO control */
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#define BCMA_IOCTL_CLK 0x0001
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#define BCMA_IOCTL_FGC 0x0002
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#define BCMA_IOCTL_CORE_BITS 0x3FFC
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#define BCMA_IOCTL_PME_EN 0x4000
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#define BCMA_IOCTL_BIST_EN 0x8000
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#define BCMA_IOST 0x0500 /* IO status */
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#define BCMA_IOST_CORE_BITS 0x0FFF
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#define BCMA_IOST_DMA64 0x1000
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#define BCMA_IOST_GATED_CLK 0x2000
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#define BCMA_IOST_BIST_ERROR 0x4000
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#define BCMA_IOST_BIST_DONE 0x8000
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#define BCMA_RESET_CTL 0x0800
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#define BCMA_RESET_CTL_RESET 0x0001
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/* BCMA PCI config space registers. */
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#define BCMA_PCI_PMCSR 0x44
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#define BCMA_PCI_PE 0x100
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#define BCMA_PCI_BAR0_WIN 0x80 /* Backplane address space 0 */
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#define BCMA_PCI_BAR1_WIN 0x84 /* Backplane address space 1 */
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#define BCMA_PCI_SPROMCTL 0x88 /* SPROM control */
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#define BCMA_PCI_SPROMCTL_WE 0x10 /* SPROM write enable */
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#define BCMA_PCI_BAR1_CONTROL 0x8c /* Address space 1 burst control */
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#define BCMA_PCI_IRQS 0x90 /* PCI interrupts */
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#define BCMA_PCI_IRQMASK 0x94 /* PCI IRQ control and mask (pcirev >= 6 only) */
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#define BCMA_PCI_BACKPLANE_IRQS 0x98 /* Backplane Interrupts */
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#define BCMA_PCI_BAR0_WIN2 0xAC
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#define BCMA_PCI_GPIO_IN 0xB0 /* GPIO Input (pcirev >= 3 only) */
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#define BCMA_PCI_GPIO_OUT 0xB4 /* GPIO Output (pcirev >= 3 only) */
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#define BCMA_PCI_GPIO_OUT_ENABLE 0xB8 /* GPIO Output Enable/Disable (pcirev >= 3 only) */
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#define BCMA_PCI_GPIO_SCS 0x10 /* PCI config space bit 4 for 4306c0 slow clock source */
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#define BCMA_PCI_GPIO_HWRAD 0x20 /* PCI config space GPIO 13 for hw radio disable */
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#define BCMA_PCI_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */
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#define BCMA_PCI_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */
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#endif /* LINUX_BCMA_REGS_H_ */
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