1 # SPDX-License-Identifier: GPL-2.0 2 config CPM1 3 bool 4 select CPM 5 6 choice 7 prompt "8xx Machine Type" 8 depends on PPC_8xx 9 default MPC885ADS 10 11 config MPC8XXFADS 12 bool "FADS" 13 14 config 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 22 config 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 32 config 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 41 config 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 48 config TQM8XX 49 bool "TQM8XX" 50 select CPM1 51 help 52 support for the mpc8xx based boards from TQM. 53 54 endchoice 55 56 menu "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 88 endmenu 89 90 # 91 # MPC8xx Communication options 92 # 93 94 menu "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. 99 comment "Generic MPC8xx Options" 100 101 config 8xx_GPIO 102 bool "GPIO API Support" 103 select GPIOLIB 104 select OF_GPIO_MM_GPIOCHIP 105 help 106 Saying Y here will cause the ports on an MPC8xx processor to be used 107 with the GPIO API. If you say N here, the kernel needs less memory. 108 109 If in doubt, say Y here. 110 111 config 8xx_CPU15 112 bool "CPU15 Silicon Errata" 113 depends on !HUGETLB_PAGE 114 default y 115 help 116 This enables a workaround for erratum CPU15 on MPC8xx chips. 117 This bug can cause incorrect code execution under certain 118 circumstances. This workaround adds some overhead (a TLB miss 119 every time execution crosses a page boundary), and you may wish 120 to disable it if you have worked around the bug in the compiler 121 (by not placing conditional branches or branches to LR or CTR 122 in the last word of a page, with a target of the last cache 123 line in the next page), or if you have used some other 124 workaround. 125 126 If in doubt, say Y here. 127 128 choice 129 prompt "Microcode patch selection" 130 default NO_UCODE_PATCH 131 help 132 Help not implemented yet, coming soon. 133 134 config NO_UCODE_PATCH 135 bool "None" 136 137 config USB_SOF_UCODE_PATCH 138 bool "USB SOF patch" 139 help 140 Help not implemented yet, coming soon. 141 142 config I2C_SPI_UCODE_PATCH 143 bool "I2C/SPI relocation patch" 144 help 145 Help not implemented yet, coming soon. 146 147 config I2C_SPI_SMC1_UCODE_PATCH 148 bool "I2C/SPI/SMC1 relocation patch" 149 help 150 Help not implemented yet, coming soon. 151 152 config SMC_UCODE_PATCH 153 bool "SMC relocation patch" 154 help 155 This microcode relocates SMC1 and SMC2 parameter RAMs at 156 offset 0x1ec0 and 0x1fc0 to allow extended parameter RAM 157 for SCC3 and SCC4. 158 159 endchoice 160 161 config UCODE_PATCH 162 bool 163 default y 164 depends on !NO_UCODE_PATCH 165 166 menu "8xx advanced setup" 167 depends on PPC_8xx 168 169 config PIN_TLB 170 bool "Pinned Kernel TLBs" 171 depends on ADVANCED_OPTIONS 172 help 173 On the 8xx, we have 32 instruction TLBs and 32 data TLBs. In each 174 table 4 TLBs can be pinned. 175 176 It reduces the amount of usable TLBs to 28 (ie by 12%). That's the 177 reason why we make it selectable. 178 179 This option does nothing, it just activate the selection of what 180 to pin. 181 182 config PIN_TLB_DATA 183 bool "Pinned TLB for DATA" 184 depends on PIN_TLB 185 default y 186 help 187 This pins the first 32 Mbytes of memory with 8M pages. 188 189 config PIN_TLB_IMMR 190 bool "Pinned TLB for IMMR" 191 depends on PIN_TLB 192 default y 193 help 194 This pins the IMMR area with a 512kbytes page. In case 195 CONFIG_PIN_TLB_DATA is also selected, it will reduce 196 CONFIG_PIN_TLB_DATA to 24 Mbytes. 197 198 config PIN_TLB_TEXT 199 bool "Pinned TLB for TEXT" 200 depends on PIN_TLB 201 default y 202 help 203 This pins kernel text with 8M pages. 204 205 endmenu 206 207 endmenu 208