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https://github.com/torvalds/linux
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67bdb28718
The new style ll_debug implementation for multiplatform requires the platform glue to be in include/debug, so let's move it there to separate the debugging logic from the platform code. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Barry Song <Baohua.Song@csr.com>
43 lines
1,021 B
ArmAsm
43 lines
1,021 B
ArmAsm
/*
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* arch/arm/mach-prima2/include/mach/debug-macro.S
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*
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* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
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*
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* Licensed under GPLv2 or later.
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*/
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#if defined(CONFIG_DEBUG_SIRFPRIMA2_UART1)
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#define SIRFSOC_UART1_PA_BASE 0xb0060000
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#elif defined(CONFIG_DEBUG_SIRFMARCO_UART1)
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#define SIRFSOC_UART1_PA_BASE 0xcc060000
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#else
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#define SIRFSOC_UART1_PA_BASE 0
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#endif
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#define SIRFSOC_UART1_VA_BASE 0xFEC60000
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#define SIRFSOC_UART_TXFIFO_STATUS 0x0114
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#define SIRFSOC_UART_TXFIFO_DATA 0x0118
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#define SIRFSOC_UART1_TXFIFO_FULL (1 << 5)
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#define SIRFSOC_UART1_TXFIFO_EMPTY (1 << 6)
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.macro addruart, rp, rv, tmp
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ldr \rp, =SIRFSOC_UART1_PA_BASE @ physical
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ldr \rv, =SIRFSOC_UART1_VA_BASE @ virtual
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #SIRFSOC_UART_TXFIFO_DATA]
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.endm
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.macro busyuart,rd,rx
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.endm
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.macro waituart,rd,rx
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1001: ldr \rd, [\rx, #SIRFSOC_UART_TXFIFO_STATUS]
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tst \rd, #SIRFSOC_UART1_TXFIFO_EMPTY
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beq 1001b
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.endm
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