mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 11:06:42 +07:00
7179380ee9
Not every alchemy-based board might want these options forced on it, and most of this stuff seems to be intended for devboard code anyway. Remove commandline mangling code out of common chip code and instead add relevant sections to all in-tree boards to not change existing behaviour. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*
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* Copyright 2000-2003, 2008 MontaVista Software Inc.
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* Author: MontaVista Software, Inc. <source@mvista.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 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/delay.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <prom.h>
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void board_reset(void)
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{
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/* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
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au_writel(0x00000000, 0xAE00001C);
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}
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void __init board_setup(void)
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{
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u32 pin_func;
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#ifdef CONFIG_SERIAL_8250_CONSOLE
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char *argptr;
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argptr = prom_getcmdline();
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argptr = strstr(argptr, "console=");
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if (argptr == NULL) {
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argptr = prom_getcmdline();
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strcat(argptr, " console=ttyS0,115200");
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}
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#endif
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/* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
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pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
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pin_func |= SYS_PF_UR3;
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au_writel(pin_func, SYS_PINFUNC);
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/* Enable UART */
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au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */
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mdelay(10);
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au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */
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mdelay(10);
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/* Enable DTR = USB power up */
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au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
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#ifdef CONFIG_PCMCIA_XXS1500
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/* Setup PCMCIA signals */
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au_writel(0, SYS_PININPUTEN);
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/* GPIO 0, 1, and 4 are inputs */
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au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
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/* Enable GPIO2 if not already enabled */
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au_writel(1, GPIO2_ENABLE);
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/* GPIO2 208/9/10/11 are inputs */
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au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
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/* Turn off power */
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au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
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GPIO2_OUTPUT);
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#endif
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#ifdef CONFIG_PCI
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#if defined(__MIPSEB__)
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au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
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#else
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au_writel(0xf, Au1500_PCI_CFG);
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#endif
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#endif
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}
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