From 8f08d1e7a25c1a30e4d90d4d0492daa2e9862f18 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Wed, 2 Dec 2015 22:24:46 +0000 Subject: brcm63xx: add linux 4.4 support Only netboot tested. Flash at your own risk. Signed-off-by: Jonas Gorski git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47702 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch | 71 ++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 target/linux/brcm63xx/patches-4.4/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch (limited to 'target/linux/brcm63xx/patches-4.4/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch') diff --git a/target/linux/brcm63xx/patches-4.4/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch b/target/linux/brcm63xx/patches-4.4/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch new file mode 100644 index 0000000000..10edbc4dda --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch @@ -0,0 +1,71 @@ +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +@@ -586,6 +586,9 @@ + #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 +@@ -1533,6 +1536,11 @@ + #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; + } -- cgit v1.2.3