| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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 | default y |
| 20 | |
| 21 | config BCMA_HOST_PCI_POSSIBLE |
| 22 | bool |
| 23 | depends on PCI = y |
| 24 | default y |
| 25 | |
| 26 | config BCMA_HOST_PCI |
| 27 | bool "Support for BCMA on PCI-host bus" |
| 28 | depends on BCMA_HOST_PCI_POSSIBLE |
| 29 | select BCMA_DRIVER_PCI |
| 30 | default y |
| 31 | |
| 32 | config BCMA_HOST_SOC |
| 33 | bool "Support for BCMA in a SoC" |
| 34 | depends on HAS_IOMEM |
| 35 | help |
| 36 | Host interface for a Broadcom AIX bus directly mapped into |
| 37 | the memory. This only works with the Broadcom SoCs from the |
| 38 | BCM47XX line. |
| 39 | |
| 40 | If unsure, say N |
| 41 | |
| 42 | config BCMA_DRIVER_PCI |
| 43 | bool "BCMA Broadcom PCI core driver" |
| 44 | depends on PCI |
| 45 | default y |
| 46 | help |
| 47 | BCMA bus may have many versions of PCIe core. This driver |
| 48 | supports: |
| 49 | 1) PCIe core working in clientmode |
| 50 | 2) PCIe Gen 2 clientmode core |
| 51 | |
| 52 | In general PCIe (Gen 2) clientmode core is required on PCIe |
| 53 | hosted buses. It's responsible for initialization and basic |
| 54 | hardware management. |
| 55 | This driver is also prerequisite for a hostmode PCIe core |
| 56 | support. |
| 57 | |
| 58 | config BCMA_DRIVER_PCI_HOSTMODE |
| 59 | bool "Driver for PCI core working in hostmode" |
| 60 | depends on MIPS && BCMA_DRIVER_PCI && PCI_DRIVERS_LEGACY && BCMA = y |
| 61 | help |
| 62 | PCI core hostmode operation (external PCI bus). |
| 63 | |
| 64 | config BCMA_DRIVER_MIPS |
| 65 | bool "BCMA Broadcom MIPS core driver" |
| 66 | depends on MIPS || COMPILE_TEST |
| 67 | help |
| 68 | Driver for the Broadcom MIPS core attached to Broadcom specific |
| 69 | Advanced Microcontroller Bus. |
| 70 | |
| 71 | If unsure, say N |
| 72 | |
| 73 | config BCMA_PFLASH |
| 74 | bool |
| 75 | depends on BCMA_DRIVER_MIPS |
| 76 | default y |
| 77 | |
| 78 | config BCMA_SFLASH |
| 79 | bool "ChipCommon-attached serial flash support" |
| 80 | depends on BCMA_HOST_SOC |
| 81 | default y |
| 82 | help |
| 83 | Some cheap devices have serial flash connected to the ChipCommon |
| 84 | instead of independent SPI controller. It requires using a separated |
| 85 | driver that implements ChipCommon specific interface communication. |
| 86 | |
| 87 | Enabling this symbol will let bcma recognize serial flash and register |
| 88 | it as platform device. |
| 89 | |
| 90 | config BCMA_NFLASH |
| 91 | bool |
| 92 | depends on BCMA_DRIVER_MIPS |
| 93 | default y |
| 94 | |
| 95 | config BCMA_DRIVER_GMAC_CMN |
| 96 | bool "BCMA Broadcom GBIT MAC COMMON core driver" |
| 97 | help |
| 98 | Driver for the Broadcom GBIT MAC COMMON core attached to Broadcom |
| 99 | specific Advanced Microcontroller Bus. |
| 100 | |
| 101 | If unsure, say N |
| 102 | |
| 103 | config BCMA_DRIVER_GPIO |
| 104 | bool "BCMA GPIO driver" |
| 105 | depends on GPIOLIB |
| 106 | select GPIOLIB_IRQCHIP if BCMA_HOST_SOC |
| 107 | help |
| 108 | Driver to provide access to the GPIO pins of the bcma bus. |
| 109 | |
| 110 | If unsure, say N |
| 111 | |
| 112 | config BCMA_DEBUG |
| 113 | bool "BCMA debugging" |
| 114 | help |
| 115 | This turns on additional debugging messages. |
| 116 | |
| 117 | If unsure, say N |
| 118 | |
| 119 | endif # BCMA |