| Kconfig (a9de18eb761f7c1c860964b2e5addc1a35c7e861) | Kconfig (2f47f44790a9c8fc43e515df3c6be19a35ee5de5) |
|---|---|
| 1menu "Memory management options" 2 3config QUICKLIST 4 def_bool y 5 6config MMU 7 bool "Support for memory management hardware" 8 depends on !CPU_SH2 --- 43 unchanged lines hidden (view full) --- 52config 29BIT 53 def_bool !32BIT 54 depends on SUPERH32 55 56config 32BIT 57 bool 58 default y if CPU_SH5 59 | 1menu "Memory management options" 2 3config QUICKLIST 4 def_bool y 5 6config MMU 7 bool "Support for memory management hardware" 8 depends on !CPU_SH2 --- 43 unchanged lines hidden (view full) --- 52config 29BIT 53 def_bool !32BIT 54 depends on SUPERH32 55 56config 32BIT 57 bool 58 default y if CPU_SH5 59 |
| 60config PMB | 60config PMB_ENABLE |
| 61 bool "Support 32-bit physical addressing through PMB" 62 depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) 63 select 32BIT 64 default y 65 help 66 If you say Y here, physical addressing will be extended to 67 32-bits through the SH-4A PMB. If this is not set, legacy 68 29-bit physical addressing will be used. 69 | 61 bool "Support 32-bit physical addressing through PMB" 62 depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) 63 select 32BIT 64 default y 65 help 66 If you say Y here, physical addressing will be extended to 67 32-bits through the SH-4A PMB. If this is not set, legacy 68 29-bit physical addressing will be used. 69 |
| 70choice 71 prompt "PMB handling type" 72 depends on PMB_ENABLE 73 default PMB_FIXED 74 75config PMB 76 bool "PMB" 77 depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) 78 select 32BIT 79 help 80 If you say Y here, physical addressing will be extended to 81 32-bits through the SH-4A PMB. If this is not set, legacy 82 29-bit physical addressing will be used. 83 84config PMB_FIXED 85 bool "fixed PMB" 86 depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || \ 87 CPU_SUBTYPE_SH7785) 88 select 32BIT 89 help 90 If this option is enabled, fixed PMB mappings are inherited 91 from the boot loader, and the kernel does not attempt dynamic 92 management. This is the closest to legacy 29-bit physical mode, 93 and allows systems to support up to 512MiB of system memory. 94 95endchoice 96 |
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| 70config X2TLB 71 bool "Enable extended TLB mode" 72 depends on (CPU_SHX2 || CPU_SHX3) && MMU && EXPERIMENTAL 73 help 74 Selecting this option will enable the extended mode of the SH-X2 75 TLB. For legacy SH-X behaviour and interoperability, say N. For 76 all of the fun new features and a willingless to submit bug reports, 77 say Y. --- 187 unchanged lines hidden --- | 97config X2TLB 98 bool "Enable extended TLB mode" 99 depends on (CPU_SHX2 || CPU_SHX3) && MMU && EXPERIMENTAL 100 help 101 Selecting this option will enable the extended mode of the SH-X2 102 TLB. For legacy SH-X behaviour and interoperability, say N. For 103 all of the fun new features and a willingless to submit bug reports, 104 say Y. --- 187 unchanged lines hidden --- |