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Merge pull request #1402 from glneo/for-upstream-uart
drivers: ti: uart: Add TI specific 16550 initialization
pull/1417/head
Dimitris Papastamos
6 years ago
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GitHub
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with
6 additions and
0 deletions
-
drivers/ti/uart/aarch64/16550_console.S
-
include/drivers/ti/uart/uart_16550.h
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@ -66,6 +66,10 @@ func console_16550_core_init |
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/* no interrupt */ |
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mov w3, #0 |
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str w3, [x0, #UARTIER] |
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#ifdef TI_16550_MDR_QUIRK |
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/* UART must be enabled on some platforms via the MDR register */ |
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str w3, [x0, #UARTMDR1] |
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#endif /* TI_16550_MDR_QUIRK */ |
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/* enable fifo, DMA */ |
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mov w3, #(UARTFCR_FIFOEN | UARTFCR_DMAEN) |
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str w3, [x0, #UARTFCR] |
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@ -23,6 +23,8 @@ |
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#define UARTMSR 0x18 |
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#define UARTSPR 0x1c |
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#define UARTCSR 0x20 |
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/* Some instances have MDR1 defined as well */ |
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#define UARTMDR1 0x20 |
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#define UARTRXFIFOCFG 0x24 |
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#define UARTMIE 0x28 |
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#define UARTVNDR 0x2c |
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