mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 17:18:59 +00:00
6b3e1c8de6
Add and enable USB support for the BCM63268 family of SoCs. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 39323
72 lines
2.0 KiB
Diff
72 lines
2.0 KiB
Diff
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
|
|
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
|
|
@@ -585,6 +585,9 @@
|
|
#define TIMER_CTL_MONOTONIC_MASK (1 << 30)
|
|
#define TIMER_CTL_ENABLE_MASK (1 << 31)
|
|
|
|
+/* Clock reset control (63268 only) */
|
|
+#define TIMER_CLK_RST_CTL_REG 0x2c
|
|
+#define CLK_RST_CTL_USB_REF_CLK_EN (1 << 18)
|
|
|
|
/*************************************************************************
|
|
* _REG relative to RSET_WDT
|
|
@@ -1666,6 +1669,11 @@
|
|
#define STRAPBUS_63268_FCVO_SHIFT 21
|
|
#define STRAPBUS_63268_FCVO_MASK (0xf << STRAPBUS_63268_FCVO_SHIFT)
|
|
|
|
+#define MISC_IDDQ_CTRL_6328_REG 0x48
|
|
+#define MISC_IDDQ_CTRL_63268_REG 0x4c
|
|
+
|
|
+#define IDDQ_CTRL_63268_USBH (1 << 4)
|
|
+
|
|
#define MISC_STRAPBUS_6328_REG 0x240
|
|
#define STRAPBUS_6328_FCVO_SHIFT 7
|
|
#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT)
|
|
--- a/arch/mips/bcm63xx/clk.c
|
|
+++ b/arch/mips/bcm63xx/clk.c
|
|
@@ -62,6 +62,26 @@ static void bcm_ub_hwclock_set(u32 mask,
|
|
bcm_perf_writel(reg, PERF_UB_CKCTL_REG);
|
|
}
|
|
|
|
+static void bcm_misc_iddq_set(u32 mask, int enable)
|
|
+{
|
|
+ u32 offset;
|
|
+ u32 reg;
|
|
+
|
|
+ if (BCMCPU_IS_6328() || BCMCPU_IS_6362())
|
|
+ offset = MISC_IDDQ_CTRL_6328_REG;
|
|
+ else if (BCMCPU_IS_63268())
|
|
+ offset = MISC_IDDQ_CTRL_63268_REG;
|
|
+ else
|
|
+ return;
|
|
+
|
|
+ reg = bcm_misc_readl(offset);
|
|
+ if (enable)
|
|
+ reg &= ~mask;
|
|
+ else
|
|
+ reg |= mask;
|
|
+ bcm_misc_writel(reg, offset);
|
|
+}
|
|
+
|
|
/*
|
|
* Ethernet MAC "misc" clock: dma clocks and main clock on 6348
|
|
*/
|
|
@@ -199,7 +219,17 @@ static void usbh_set(struct clk *clk, in
|
|
} else if (BCMCPU_IS_6368()) {
|
|
bcm_hwclock_set(CKCTL_6368_USBH_EN, enable);
|
|
} else if (BCMCPU_IS_63268()) {
|
|
+ u32 reg;
|
|
+
|
|
bcm_hwclock_set(CKCTL_63268_USBH_EN, enable);
|
|
+ bcm_misc_iddq_set(IDDQ_CTRL_63268_USBH, enable);
|
|
+ bcm63xx_core_set_reset(BCM63XX_RESET_USBH, !enable);
|
|
+ reg = bcm_timer_readl(TIMER_CLK_RST_CTL_REG);
|
|
+ if (enable)
|
|
+ reg |= CLK_RST_CTL_USB_REF_CLK_EN;
|
|
+ else
|
|
+ reg &= ~CLK_RST_CTL_USB_REF_CLK_EN;
|
|
+ bcm_timer_writel(reg, TIMER_CLK_RST_CTL_REG);
|
|
} else {
|
|
return;
|
|
}
|