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from the SAB82532 and the Z8530 hardware drivers by introducing uart_cpu_busaddr(). The assumption is not true on pc98 where bus_space_handle_t is a pointer to a structure. The uart_cpu_busaddr() function will return the bus address corresponding the tag and handle given to it by the BAS. WARNING: the intend of the function is STRICTLY to allow hardware drivers to determine which logical channel they control and is NOT to be used for actual I/O. It is therefore EXPLICITLY allowed that uart_cpu_busaddr() returns only the lower 8 bits of the address and garbage in all other bits. No mistakes... |
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| .. | ||
| uart.h | ||
| uart_bus.h | ||
| uart_bus_acpi.c | ||
| uart_bus_ebus.c | ||
| uart_bus_isa.c | ||
| uart_bus_pci.c | ||
| uart_bus_puc.c | ||
| uart_core.c | ||
| uart_cpu.h | ||
| uart_cpu_alpha.c | ||
| uart_cpu_amd64.c | ||
| uart_cpu_i386.c | ||
| uart_cpu_ia64.c | ||
| uart_cpu_pc98.c | ||
| uart_cpu_sparc64.c | ||
| uart_dev_i8251.c | ||
| uart_dev_i8251.h | ||
| uart_dev_ns8250.c | ||
| uart_dev_ns8250.h | ||
| uart_dev_sab82532.c | ||
| uart_dev_sab82532.h | ||
| uart_dev_z8530.c | ||
| uart_dev_z8530.h | ||
| uart_if.m | ||
| uart_tty.c | ||