45 lines
1.4 KiB
ArmAsm
45 lines
1.4 KiB
ArmAsm
/*
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* Early serial output macro for Allwinner A1X SoCs
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*
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* Copyright (C) 2012 Maxime Ripard
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*
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#if defined(CONFIG_ARCH_SUN8IW17P1)
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#if defined(CONFIG_DEBUG_SUNXI_UART0)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x05000000
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf5000000
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#elif defined(CONFIG_DEBUG_SUNXI_UART1)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x05000400
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf5000400
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#endif
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#elif defined(CONFIG_ARCH_SUN3IW1)
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#if defined(CONFIG_DEBUG_SUNXI_UART0)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c25000
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c25000
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#elif defined(CONFIG_DEBUG_SUNXI_UART1)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c25400
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c25400
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#endif
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#else
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#if defined(CONFIG_DEBUG_SUNXI_UART0)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28000
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28000
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#elif defined(CONFIG_DEBUG_SUNXI_UART1)
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#define SUNXI_UART_DEBUG_PHYS_BASE 0x01c28400
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#define SUNXI_UART_DEBUG_VIRT_BASE 0xf1c28400
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#endif
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#endif
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.macro addruart, rp, rv, tmp
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ldr \rp, =SUNXI_UART_DEBUG_PHYS_BASE
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ldr \rv, =SUNXI_UART_DEBUG_VIRT_BASE
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.endm
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#define UART_SHIFT 2
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#include <asm/hardware/debug-8250.S>
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