Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Copyright (C) 2009 Texas Instruments
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* Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ASM_ARCH_SERIAL_H
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#define __ASM_ARCH_SERIAL_H
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#include <linux/init.h>
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/*
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* Memory entry used for the DEBUG_LL UART configuration, relative to
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* start of RAM. See also uncompress.h and debug-macro.S.
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*
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* Note that using a memory location for storing the UART configuration
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* has at least two limitations:
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*
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* 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
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* uncompress code could then partially overwrite itself
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* 2. We assume printascii is called at least once before paging_init,
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* and addruart has a chance to read OMAP_UART_INFO
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*/
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#define OMAP_UART_INFO_OFS 0x3ffc
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#define OMAP_PORT_SHIFT 2
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#define OMAP7XX_PORT_SHIFT 0
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#define OMAP1510_BASE_BAUD (12000000/16)
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#define OMAP16XX_BASE_BAUD (48000000/16)
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/*
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* DEBUG_LL port encoding stored into the UART1 scratchpad register by
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* decomp_setup in uncompress.h
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*/
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#define OMAP1UART1 11
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#define OMAP1UART2 12
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#define OMAP1UART3 13
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#ifndef __ASSEMBLER__
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extern void omap_serial_init(void);
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#endif
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#endif
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