38bd6892ab
Uarts on all recent Rockchip SoCs are Synopsis DesignWare 8250 types. Only their addresses vary very much. This patch adds the necessary definitions to use any of the uart ports for early debug purposes. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
43 lines
1.4 KiB
ArmAsm
43 lines
1.4 KiB
ArmAsm
/*
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* Early serial output macro for Rockchip 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_DEBUG_RK29_UART0)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20060000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed60000
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#elif defined(CONFIG_DEBUG_RK29_UART1)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20064000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed64000
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#elif defined(CONFIG_DEBUG_RK29_UART2)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20068000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed68000
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#elif defined(CONFIG_DEBUG_RK3X_UART0)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x10124000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfeb24000
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#elif defined(CONFIG_DEBUG_RK3X_UART1)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x10126000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfeb26000
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#elif defined(CONFIG_DEBUG_RK3X_UART2)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20064000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed64000
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#elif defined(CONFIG_DEBUG_RK3X_UART3)
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#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20068000
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#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed68000
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#endif
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.macro addruart, rp, rv, tmp
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ldr \rp, =ROCKCHIP_UART_DEBUG_PHYS_BASE
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ldr \rv, =ROCKCHIP_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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