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made the danube pmu f00 generic

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9759 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2007-12-14 21:49:03 +00:00
parent f770cc114f
commit 9f5ad54b69
7 changed files with 85 additions and 31 deletions
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3
target/linux/danube/files/arch/mips/danube/dma-core.c
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@@ -22,6 +22,7 @@
#include <asm/danube/danube.h>
#include <asm/danube/danube_irq.h>
#include <asm/danube/danube_dma.h>
#include <asm/danube/danube_pmu.h>
/*25 descriptors for each dma channel,4096/8/20=25.xx*/
#define DANUBE_DMA_DESCRIPTOR_OFFSET 25
@@ -684,7 +685,7 @@ dma_chip_init(void)
int i;
// enable DMA from PMU
writel(readl(DANUBE_PMU_PWDCR) & ~DANUBE_PMU_PWDCR_DMA, DANUBE_PMU_PWDCR);
danube_pmu_enable(DANUBE_PMU_PWDCR_DMA);
// reset DMA
writel(readl(DANUBE_DMA_CTRL) | 1, DANUBE_DMA_CTRL);

45
target/linux/danube/files/arch/mips/danube/pmu.c Normal file
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@@ -0,0 +1,45 @@
/*
* arch/mips/danube/pmu.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/danube/danube.h>
void
danube_pmu_enable (unsigned int module)
{
int err = 1000000;
writel(readl(DANUBE_PMU_PWDCR) & ~module, DANUBE_PMU_PWDCR);
while (--err && (readl(DANUBE_PMU_PWDSR) & module)) {}
if (!err)
panic("activating PMU module failed!");
}
EXPORT_SYMBOL(danube_pmu_enable);
void
danube_pmu_disable (unsigned int module)
{
writel(readl(DANUBE_PMU_PWDCR) | module, DANUBE_PMU_PWDCR);
}
EXPORT_SYMBOL(danube_pmu_disable);

3
target/linux/danube/files/arch/mips/danube/setup.c
View File

@@ -32,6 +32,7 @@
#include <asm/irq.h>
#include <asm/danube/danube.h>
#include <asm/danube/danube_irq.h>
#include <asm/danube/danube_pmu.h>
static unsigned int r4k_offset; /* Amount to increment compare reg each time */
static unsigned int r4k_cur; /* What counter should be at next timer irq */
@@ -138,7 +139,7 @@ plat_timer_setup (struct irqaction *irq)
r4k_cur = (read_c0_count() + r4k_offset);
write_c0_compare(r4k_cur);
writel(readl(DANUBE_PMU_PWDCR) & ~(DANUBE_PMU_PWDCR_GPT|DANUBE_PMU_PWDCR_FPI), DANUBE_PMU_PWDCR);
danube_pmu_enable(DANUBE_PMU_PWDCR_GPT | DANUBE_PMU_PWDCR_FPI);
writel(0x100, DANUBE_GPTU_GPT_CLC);