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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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edb6310aaa
The following patch add support for the NXP PNX833x SOC. More specifically it adds support for the STB222/5 variant. It fixes the vectored interrupt issue. Signed-off-by: daniel.j.laird <daniel.j.laird@nxp.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* setup.c: Setup PNX833X Soc.
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*
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* Copyright 2008 NXP Semiconductors
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* Chris Steel <chris.steel@nxp.com>
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* Daniel Laird <daniel.j.laird@nxp.com>
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*
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* Based on software written by:
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* Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/io.h>
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#include <linux/pci.h>
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#include <asm/reboot.h>
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#include <pnx833x.h>
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#include <gpio.h>
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extern void pnx833x_board_setup(void);
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extern void pnx833x_machine_restart(char *);
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extern void pnx833x_machine_halt(void);
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extern void pnx833x_machine_power_off(void);
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int __init plat_mem_setup(void)
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{
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/* fake pci bus to avoid bounce buffers */
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PCI_DMA_BUS_IS_PHYS = 1;
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/* set mips clock to 320MHz */
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#if defined(CONFIG_SOC_PNX8335)
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PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ);
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#endif
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pnx833x_gpio_init(); /* so it will be ready in board_setup() */
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pnx833x_board_setup();
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_machine_restart = pnx833x_machine_restart;
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_machine_halt = pnx833x_machine_halt;
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pm_power_off = pnx833x_machine_power_off;
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/* IO/MEM resources. */
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set_io_port_base(KSEG1);
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ioport_resource.start = 0;
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ioport_resource.end = ~0;
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iomem_resource.start = 0;
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iomem_resource.end = ~0;
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return 0;
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}
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