| 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | config BCMA_POSSIBLE |
| 3 | bool |
| 4 | depends on HAS_IOMEM && HAS_DMA |
| 5 | default y |
| 6 | |
| 7 | menuconfig BCMA |
| 8 | tristate "Broadcom specific AMBA" |
| 9 | depends on BCMA_POSSIBLE |
| 10 | help |
| 11 | Bus driver for Broadcom specific Advanced Microcontroller Bus |
| 12 | Architecture. |
| 13 | |
| 14 | if BCMA |
| 15 | |
| 16 | # Support for Block-I/O. SELECT this from the driver that needs it. |
| 17 | config BCMA_BLOCKIO |
| 18 | bool |
| 19 | |
| 20 | config BCMA_HOST_PCI_POSSIBLE |
| 21 | bool |
| 22 | depends on PCI = y |
| 23 | default y |
| 24 | |
| 25 | config BCMA_HOST_PCI |
| 26 | bool "Support for BCMA on PCI-host bus" |
| 27 | depends on BCMA_HOST_PCI_POSSIBLE |
| 28 | select BCMA_DRIVER_PCI |
| 29 | default y |
| 30 | |
| 31 | config BCMA_HOST_SOC |
| 32 | bool "Support for BCMA in a SoC" |
| 33 | depends on HAS_IOMEM |
| 34 | help |
| 35 | Host interface for a Broadcom AIX bus directly mapped into |
| 36 | the memory. This only works with the Broadcom SoCs from the |
| 37 | BCM47XX line. |
| 38 | |
| 39 | If unsure, say N |
| 40 | |
| 41 | config BCMA_DRIVER_PCI |
| 42 | bool "BCMA Broadcom PCI core driver" |
| 43 | depends on PCI |
| 44 | default y |
| 45 | help |
| 46 | BCMA bus may have many versions of PCIe core. This driver |
| 47 | supports: |
| 48 | 1) PCIe core working in clientmode |
| 49 | 2) PCIe Gen 2 clientmode core |
| 50 | |
| 51 | In general PCIe (Gen 2) clientmode core is required on PCIe |
| 52 | hosted buses. It's responsible for initialization and basic |
| 53 | hardware management. |
| 54 | This driver is also prerequisite for a hostmode PCIe core |
| 55 | support. |
| 56 | |
| 57 | config BCMA_DRIVER_PCI_HOSTMODE |
| 58 | bool "Driver for PCI core working in hostmode" |
| 59 | depends on MIPS && BCMA_DRIVER_PCI && PCI_DRIVERS_LEGACY && BCMA = y |
| 60 | help |
| 61 | PCI core hostmode operation (external PCI bus). |
| 62 | |
| 63 | config BCMA_DRIVER_MIPS |
| 64 | bool "BCMA Broadcom MIPS core driver" |
| 65 | depends on MIPS || COMPILE_TEST |
| 66 | help |
| 67 | Driver for the Broadcom MIPS core attached to Broadcom specific |
| 68 | Advanced Microcontroller Bus. |
| 69 | |
| 70 | If unsure, say N |
| 71 | |
| 72 | config BCMA_PFLASH |
| 73 | bool |
| 74 | depends on BCMA_DRIVER_MIPS |
| 75 | default y |
| 76 | |
| 77 | config BCMA_SFLASH |
| 78 | bool "ChipCommon-attached serial flash support" |
| 79 | depends on BCMA_HOST_SOC |
| 80 | default y |
| 81 | help |
| 82 | Some cheap devices have serial flash connected to the ChipCommon |
| 83 | instead of independent SPI controller. It requires using a separated |
| 84 | driver that implements ChipCommon specific interface communication. |
| 85 | |
| 86 | Enabling this symbol will let bcma recognize serial flash and register |
| 87 | it as platform device. |
| 88 | |
| 89 | config BCMA_NFLASH |
| 90 | bool |
| 91 | depends on BCMA_DRIVER_MIPS |
| 92 | default y |
| 93 | |
| 94 | config BCMA_DRIVER_GMAC_CMN |
| 95 | bool "BCMA Broadcom GBIT MAC COMMON core driver" |
| 96 | help |
| 97 | Driver for the Broadcom GBIT MAC COMMON core attached to Broadcom |
| 98 | specific Advanced Microcontroller Bus. |
| 99 | |
| 100 | If unsure, say N |
| 101 | |
| 102 | config BCMA_DRIVER_GPIO |
| 103 | bool "BCMA GPIO driver" |
| 104 | depends on GPIOLIB |
| 105 | select GPIOLIB_IRQCHIP if BCMA_HOST_SOC |
| 106 | help |
| 107 | Driver to provide access to the GPIO pins of the bcma bus. |
| 108 | |
| 109 | If unsure, say N |
| 110 | |
| 111 | config BCMA_DEBUG |
| 112 | bool "BCMA debugging" |
| 113 | help |
| 114 | This turns on additional debugging messages. |
| 115 | |
| 116 | If unsure, say N |
| 117 | |
| 118 | endif # BCMA |