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arm: Add Initial TI-Nspire support

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This patch adds support for the TI-Nspire platform.

Changes between v1 and v2:
* Added GENERIC_IRQ_CHIP to platform Kconfig

Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Daniel Tang 2013-06-11 18:40:17 +10:00 • committed by Arnd Bergmann
commit 9851ca5774
11 changed files with 307 additions and 0 deletions
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28
arch/arm/include/debug/nspire.S Normal file
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/*
* linux/arch/arm/include/debug/nspire.S
*
* Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
*/
#define NSPIRE_EARLY_UART_PHYS_BASE 0x90020000
#define NSPIRE_EARLY_UART_VIRT_BASE 0xfee20000
.macro addruart, rp, rv, tmp
ldr \rp, =(NSPIRE_EARLY_UART_PHYS_BASE) @ physical base address
ldr \rv, =(NSPIRE_EARLY_UART_VIRT_BASE) @ virtual base address
.endm
#ifdef CONFIG_DEBUG_NSPIRE_CX_UART
#include <asm/hardware/debug-pl01x.S>
#endif
#ifdef CONFIG_DEBUG_NSPIRE_CLASSIC_UART
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>
#endif