On 05/30/2016 04:54 PM, Wills Wang wrote:
Add code to ungate USB and ethernet controller on qca953x
Is this code coming from mainline Linux ?
Signed-off-by: Wills Wang wills.wang@live.com
arch/mips/mach-ath79/reset.c | 50 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+)
diff --git a/arch/mips/mach-ath79/reset.c b/arch/mips/mach-ath79/reset.c index 33bf979..a5ee141 100644 --- a/arch/mips/mach-ath79/reset.c +++ b/arch/mips/mach-ath79/reset.c @@ -136,6 +136,23 @@ static int eth_init_ar934x(void) return 0; }
+static int eth_init_qca953x(void) +{
- void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE,
MAP_NOCACHE);- const u32 mask = QCA953X_RESET_GE0_MAC | QCA953X_RESET_GE0_MDIO |
QCA953X_RESET_GE1_MAC | QCA953X_RESET_GE1_MDIO |QCA953X_RESET_ETH_SWITCH_ANALOG |QCA953X_RESET_ETH_SWITCH;- setbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask);
- mdelay(1);
- clrbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask);
- mdelay(1);
- return 0;
+}
int ath79_eth_reset(void) { /* @@ -146,6 +163,8 @@ int ath79_eth_reset(void) return eth_init_ar933x(); if (soc_is_ar934x()) return eth_init_ar934x();
if (soc_is_qca953x())
return eth_init_qca953x();return -EINVAL;
} @@ -185,6 +204,35 @@ static int usb_reset_ar934x(void __iomem *reset_regs) return 0; }
+static int usb_reset_qca953x(void __iomem *reset_regs) +{
- void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE,
MAP_NOCACHE);- clrsetbits_be32(pregs + QCA953X_PLL_SWITCH_CLOCK_CONTROL_REG,
0xf00, 0x200);- mdelay(10);
- /* Ungate the USB block */
- setbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE,
QCA953X_RESET_USBSUS_OVERRIDE);- mdelay(1);
- clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE,
QCA953X_RESET_USB_PHY);- mdelay(1);
- clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE,
QCA953X_RESET_USB_PHY_ANALOG);- mdelay(1);
- clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE,
QCA953X_RESET_USB_HOST);- mdelay(1);
- clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE,
QCA953X_RESET_USB_PHY_PLL_PWD_EXT);- mdelay(1);
- return 0;
+}
int ath79_usb_reset(void) { void __iomem *usbc_regs = map_physmem(AR71XX_USB_CTRL_BASE, @@ -204,6 +252,8 @@ int ath79_usb_reset(void) return usb_reset_ar933x(reset_regs); if (soc_is_ar934x()) return usb_reset_ar934x(reset_regs);
if (soc_is_qca953x())
return usb_reset_qca953x(reset_regs);return -EINVAL;
}