Kconfig (4745B)
1# SPDX-License-Identifier: GPL-2.0 2config CPM1 3 bool 4 select CPM 5 6choice 7 prompt "8xx Machine Type" 8 depends on PPC_8xx 9 default MPC885ADS 10 11config MPC8XXFADS 12 bool "FADS" 13 14config MPC86XADS 15 bool "MPC86XADS" 16 select CPM1 17 help 18 MPC86x Application Development System by Freescale Semiconductor. 19 The MPC86xADS is meant to serve as a platform for s/w and h/w 20 development around the MPC86X processor families. 21 22config MPC885ADS 23 bool "MPC885ADS" 24 select CPM1 25 select OF_DYNAMIC 26 help 27 Freescale Semiconductor MPC885 Application Development System (ADS). 28 Also known as DUET. 29 The MPC885ADS is meant to serve as a platform for s/w and h/w 30 development around the MPC885 processor family. 31 32config PPC_EP88XC 33 bool "Embedded Planet EP88xC (a.k.a. CWH-PPC-885XN-VE)" 34 select CPM1 35 help 36 This enables support for the Embedded Planet EP88xC board. 37 38 This board is also resold by Freescale as the QUICCStart 39 MPC885 Evaluation System and/or the CWH-PPC-885XN-VE. 40 41config PPC_ADDER875 42 bool "Analogue & Micro Adder 875" 43 select CPM1 44 help 45 This enables support for the Analogue & Micro Adder 875 46 board. 47 48config TQM8XX 49 bool "TQM8XX" 50 select CPM1 51 help 52 support for the mpc8xx based boards from TQM. 53 54endchoice 55 56menu "Freescale Ethernet driver platform-specific options" 57 depends on (FS_ENET && MPC885ADS) 58 59 config MPC8xx_SECOND_ETH 60 bool "Second Ethernet channel" 61 depends on MPC885ADS 62 default y 63 help 64 This enables support for second Ethernet on MPC885ADS and MPC86xADS boards. 65 The latter will use SCC1, for 885ADS you can select it below. 66 67 choice 68 prompt "Second Ethernet channel" 69 depends on MPC8xx_SECOND_ETH 70 default MPC8xx_SECOND_ETH_FEC2 71 72 config MPC8xx_SECOND_ETH_FEC2 73 bool "FEC2" 74 depends on MPC885ADS 75 help 76 Enable FEC2 to serve as 2-nd Ethernet channel. Note that SMC2 77 (often 2-nd UART) will not work if this is enabled. 78 79 config MPC8xx_SECOND_ETH_SCC3 80 bool "SCC3" 81 depends on MPC885ADS 82 help 83 Enable SCC3 to serve as 2-nd Ethernet channel. Note that SMC1 84 (often 1-nd UART) will not work if this is enabled. 85 86 endchoice 87 88endmenu 89 90# 91# MPC8xx Communication options 92# 93 94menu "MPC8xx CPM Options" 95 depends on PPC_8xx 96 97# This doesn't really belong here, but it is convenient to ask 98# 8xx specific questions. 99comment "Generic MPC8xx Options" 100 101config 8xx_GPIO 102 bool "GPIO API Support" 103 select GPIOLIB 104 help 105 Saying Y here will cause the ports on an MPC8xx processor to be used 106 with the GPIO API. If you say N here, the kernel needs less memory. 107 108 If in doubt, say Y here. 109 110config 8xx_CPU15 111 bool "CPU15 Silicon Errata" 112 depends on !HUGETLB_PAGE 113 default y 114 help 115 This enables a workaround for erratum CPU15 on MPC8xx chips. 116 This bug can cause incorrect code execution under certain 117 circumstances. This workaround adds some overhead (a TLB miss 118 every time execution crosses a page boundary), and you may wish 119 to disable it if you have worked around the bug in the compiler 120 (by not placing conditional branches or branches to LR or CTR 121 in the last word of a page, with a target of the last cache 122 line in the next page), or if you have used some other 123 workaround. 124 125 If in doubt, say Y here. 126 127choice 128 prompt "Microcode patch selection" 129 default NO_UCODE_PATCH 130 help 131 Help not implemented yet, coming soon. 132 133config NO_UCODE_PATCH 134 bool "None" 135 136config USB_SOF_UCODE_PATCH 137 bool "USB SOF patch" 138 help 139 Help not implemented yet, coming soon. 140 141config I2C_SPI_UCODE_PATCH 142 bool "I2C/SPI relocation patch" 143 help 144 Help not implemented yet, coming soon. 145 146config I2C_SPI_SMC1_UCODE_PATCH 147 bool "I2C/SPI/SMC1 relocation patch" 148 help 149 Help not implemented yet, coming soon. 150 151config SMC_UCODE_PATCH 152 bool "SMC relocation patch" 153 help 154 This microcode relocates SMC1 and SMC2 parameter RAMs at 155 offset 0x1ec0 and 0x1fc0 to allow extended parameter RAM 156 for SCC3 and SCC4. 157 158endchoice 159 160config UCODE_PATCH 161 bool 162 default y 163 depends on !NO_UCODE_PATCH 164 165menu "8xx advanced setup" 166 depends on PPC_8xx 167 168config PIN_TLB 169 bool "Pinned Kernel TLBs" 170 depends on ADVANCED_OPTIONS 171 help 172 On the 8xx, we have 32 instruction TLBs and 32 data TLBs. In each 173 table 4 TLBs can be pinned. 174 175 It reduces the amount of usable TLBs to 28 (ie by 12%). That's the 176 reason why we make it selectable. 177 178 This option does nothing, it just activate the selection of what 179 to pin. 180 181config PIN_TLB_DATA 182 bool "Pinned TLB for DATA" 183 depends on PIN_TLB 184 default y 185 help 186 This pins the first 32 Mbytes of memory with 8M pages. 187 188config PIN_TLB_IMMR 189 bool "Pinned TLB for IMMR" 190 depends on PIN_TLB 191 default y 192 help 193 This pins the IMMR area with a 512kbytes page. In case 194 CONFIG_PIN_TLB_DATA is also selected, it will reduce 195 CONFIG_PIN_TLB_DATA to 24 Mbytes. 196 197endmenu 198 199endmenu