Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / mips / pci / pci-bcm63xx.c

diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c
index 8a48139..ca179b6 100644 (file)
--- 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 */