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path: root/arch/mips/pci/pci-bcm63xx.c
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Diffstat (limited to 'arch/mips/pci/pci-bcm63xx.c')
-rw-r--r--arch/mips/pci/pci-bcm63xx.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c
index 8a48139d219c..ca179b6ff39b 100644
--- a/arch/mips/pci/pci-bcm63xx.c
+++ b/arch/mips/pci/pci-bcm63xx.c
@@ -11,8 +11,11 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
+#include <linux/clk.h>
#include <asm/bootinfo.h>
+#include <bcm63xx_reset.h>
+
#include "pci-bcm63xx.h"
/*
@@ -119,41 +122,36 @@ static void __init bcm63xx_reset_pcie(void)
{
u32 val;
- /* enable clock */
- val = bcm_perf_readl(PERF_CKCTL_REG);
- val |= CKCTL_6328_PCIE_EN;
- bcm_perf_writel(val, PERF_CKCTL_REG);
-
/* enable SERDES */
val = bcm_misc_readl(MISC_SERDES_CTRL_REG);
val |= SERDES_PCIE_EN | SERDES_PCIE_EXD_EN;
bcm_misc_writel(val, MISC_SERDES_CTRL_REG);
/* reset the PCIe core */
- val = bcm_perf_readl(PERF_SOFTRESET_6328_REG);
-
- val &= ~SOFTRESET_6328_PCIE_MASK;
- val &= ~SOFTRESET_6328_PCIE_CORE_MASK;
- val &= ~SOFTRESET_6328_PCIE_HARD_MASK;
- val &= ~SOFTRESET_6328_PCIE_EXT_MASK;
- bcm_perf_writel(val, PERF_SOFTRESET_6328_REG);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 1);
mdelay(10);
- val |= SOFTRESET_6328_PCIE_MASK;
- val |= SOFTRESET_6328_PCIE_CORE_MASK;
- val |= SOFTRESET_6328_PCIE_HARD_MASK;
- bcm_perf_writel(val, PERF_SOFTRESET_6328_REG);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 0);
mdelay(10);
- val |= SOFTRESET_6328_PCIE_EXT_MASK;
- bcm_perf_writel(val, PERF_SOFTRESET_6328_REG);
+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 0);
mdelay(200);
}
+static struct clk *pcie_clk;
+
static int __init bcm63xx_register_pcie(void)
{
u32 val;
+ /* enable clock */
+ pcie_clk = clk_get(NULL, "pcie");
+ if (IS_ERR_OR_NULL(pcie_clk))
+ return -ENODEV;
+
+ clk_prepare_enable(pcie_clk);
+
bcm63xx_reset_pcie();
/* configure the PCIe bridge */