brcm63xx: add USB support for BCM63268

Add and enable USB support for the BCM63268 family of SoCs.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39323 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 193 insertions, 5 deletions

diff --git a/target/linux/brcm63xx/patches-3.10/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch b/target/linux/brcm63xx/patches-3.10/348-MIPS-BCM63XX-fix-BCM63268-USB-clock.patch
new file mode 100644
index 0000000000..90e3655613
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.10/348-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
+@@ -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;
+ 	}
diff --git a/target/linux/brcm63xx/patches-3.10/349-MIPS-BCM63XX-add-BCM63268-USB-support.patch b/target/linux/brcm63xx/patches-3.10/349-MIPS-BCM63XX-add-BCM63268-USB-support.patch
new file mode 100644
index 0000000000..9884ff6ebb
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.10/349-MIPS-BCM63XX-add-BCM63268-USB-support.patch
@@ -0,0 +1,117 @@
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+@@ -1152,11 +1152,18 @@
+ #define USBH_PRIV_SETUP_6368_REG	0x28
+ #define USBH_PRIV_SETUP_IOC_SHIFT	4
+ #define USBH_PRIV_SETUP_IOC_MASK	(1 << USBH_PRIV_SETUP_IOC_SHIFT)
++#define USBH_PRIV_SETUP_IPP_SHIFT	5
++#define USBH_PRIV_SETUP_IPP_MASK	(1 << USBH_PRIV_SETUP_IPP_SHIFT)
+ 
+ #define USBH_PRIV_SETUP_6318_REG	0x00
++#define USBH_PRIV_PLL_CTRL1_6368_REG	0x18
+ #define USBH_PRIV_PLL_CTRL1_6318_REG	0x04
+-#define USBH_PRIV_PLL_CTRL1_SUSP_EN	(1 << 27)
+-#define USBH_PRIV_PLL_CTRL1_IDDQ_PWRDN	(1 << 31)
++
++#define USBH_PRIV_PLL_CTRL1_6318_SUSP_EN	(1 << 27)
++#define USBH_PRIV_PLL_CTRL1_6318_IDDQ_PWRDN	(1 << 31)
++#define USBH_PRIV_PLL_CTRL1_63268_IDDQ_PWRDN	(1 << 9)
++#define USBH_PRIV_PLL_CTRL1_63268_PWRDN_DELAY	(1 << 10)
++
+ #define USBH_PRIV_SIM_CTRL_6318_REG	0x20
+ #define USBH_PRIV_SIM_CTRL_LADDR_SEL	(1 << 5)
+ 
+--- a/arch/mips/bcm63xx/Kconfig
++++ b/arch/mips/bcm63xx/Kconfig
+@@ -72,6 +72,8 @@ config BCM63XX_CPU_63268
+ 	bool "support 63268 CPU"
+ 	select SYS_HAS_CPU_BMIPS4350
+ 	select HW_HAS_PCI
++	select BCM63XX_OHCI
++	select BCM63XX_EHCI
+ endmenu
+ 
+ source "arch/mips/bcm63xx/boards/Kconfig"
+--- a/arch/mips/bcm63xx/dev-usb-ehci.c
++++ b/arch/mips/bcm63xx/dev-usb-ehci.c
+@@ -82,7 +82,7 @@ static struct platform_device bcm63xx_eh
+ int __init bcm63xx_ehci_register(void)
+ {
+ 	if (!BCMCPU_IS_6318() && !BCMCPU_IS_6328() && !BCMCPU_IS_6358() &&
+-		!BCMCPU_IS_6362() && !BCMCPU_IS_6368())
++		!BCMCPU_IS_6362() && !BCMCPU_IS_6368() && !BCMCPU_IS_63268())
+ 		return 0;
+ 
+ 	ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);
+--- a/arch/mips/bcm63xx/usb-common.c
++++ b/arch/mips/bcm63xx/usb-common.c
+@@ -109,9 +109,24 @@ void bcm63xx_usb_priv_ohci_cfg_set(void)
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6368_REG);
+ 		reg |= USBH_PRIV_SETUP_IOC_MASK;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6368_REG);
++	} else if (BCMCPU_IS_63268()) {
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6368_REG);
++		reg &= ~USBH_PRIV_SWAP_OHCI_ENDN_MASK;
++		reg |= USBH_PRIV_SWAP_OHCI_DATA_MASK;
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6368_REG);
++
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6368_REG);
++		reg |= USBH_PRIV_SETUP_IOC_MASK;
++		reg &= ~USBH_PRIV_SETUP_IPP_MASK;
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6368_REG);
++
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6368_REG);
++		reg &= ~(USBH_PRIV_PLL_CTRL1_63268_IDDQ_PWRDN |
++			 USBH_PRIV_PLL_CTRL1_63268_PWRDN_DELAY);
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6368_REG);
+ 	} else if (BCMCPU_IS_6318()) {
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
+-		reg |= USBH_PRIV_PLL_CTRL1_SUSP_EN;
++		reg |= USBH_PRIV_PLL_CTRL1_6318_SUSP_EN;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6318_REG);
+@@ -124,7 +139,7 @@ void bcm63xx_usb_priv_ohci_cfg_set(void)
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
+-		reg &= ~USBH_PRIV_PLL_CTRL1_IDDQ_PWRDN;
++		reg &= ~USBH_PRIV_PLL_CTRL1_6318_IDDQ_PWRDN;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SIM_CTRL_6318_REG);
+@@ -165,9 +180,24 @@ void bcm63xx_usb_priv_ehci_cfg_set(void)
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6368_REG);
+ 		reg |= USBH_PRIV_SETUP_IOC_MASK;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6368_REG);
++	} else if (BCMCPU_IS_63268()) {
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6368_REG);
++		reg &= ~USBH_PRIV_SWAP_EHCI_ENDN_MASK;
++		reg |= USBH_PRIV_SWAP_EHCI_DATA_MASK;
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6368_REG);
++
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6368_REG);
++		reg |= USBH_PRIV_SETUP_IOC_MASK;
++		reg &= ~USBH_PRIV_SETUP_IPP_MASK;
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6368_REG);
++
++		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6368_REG);
++		reg &= ~(USBH_PRIV_PLL_CTRL1_63268_IDDQ_PWRDN |
++			 USBH_PRIV_PLL_CTRL1_63268_PWRDN_DELAY);
++		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6368_REG);
+ 	} else if (BCMCPU_IS_6318()) {
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
+-		reg |= USBH_PRIV_PLL_CTRL1_SUSP_EN;
++		reg |= USBH_PRIV_PLL_CTRL1_6318_SUSP_EN;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6318_REG);
+@@ -180,7 +210,7 @@ void bcm63xx_usb_priv_ehci_cfg_set(void)
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
+-		reg &= ~USBH_PRIV_PLL_CTRL1_IDDQ_PWRDN;
++		reg &= ~USBH_PRIV_PLL_CTRL1_6318_IDDQ_PWRDN;
+ 		bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_PLL_CTRL1_6318_REG);
+ 
+ 		reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SIM_CTRL_6318_REG);
diff --git a/target/linux/brcm63xx/patches-3.10/403-6358-enet1-external-mii-clk.patch b/target/linux/brcm63xx/patches-3.10/403-6358-enet1-external-mii-clk.patch
index 6c0c1f4021..c5ce6ac17e 100644
--- a/target/linux/brcm63xx/patches-3.10/403-6358-enet1-external-mii-clk.patch
+++ b/target/linux/brcm63xx/patches-3.10/403-6358-enet1-external-mii-clk.patch
@@ -11,7 +11,7 @@
  	bcm_gpio_writel(val, GPIO_MODE_REG);
 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -767,6 +767,8 @@
+@@ -770,6 +770,8 @@
  #define GPIO_MODE_6358_EXTRA_SPI_SS	(1 << 7)
  #define GPIO_MODE_6358_SERIAL_LED	(1 << 10)
  #define GPIO_MODE_6358_UTOPIA		(1 << 12)
diff --git a/target/linux/brcm63xx/patches-3.10/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch b/target/linux/brcm63xx/patches-3.10/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
index 577c03c5d4..661e3e1368 100644
--- a/target/linux/brcm63xx/patches-3.10/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
+++ b/target/linux/brcm63xx/patches-3.10/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
@@ -10,7 +10,7 @@ Subject: [PATCH 54/81] bcm63xx_enet: enable rgmii clock on external ports
 
 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -1083,6 +1083,19 @@
+@@ -1086,6 +1086,19 @@
  #define ENETSW_PORTOV_FDX_MASK		(1 << 1)
  #define ENETSW_PORTOV_LINKUP_MASK	(1 << 0)
  
diff --git a/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
index a740d4d1b5..76a8754ec5 100644
--- a/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
+++ b/target/linux/brcm63xx/patches-3.10/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch
@@ -115,7 +115,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  		return -ENODEV;
 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
-@@ -824,6 +824,7 @@
+@@ -827,6 +827,7 @@
  #define GPIO_STRAPBUS_REG		0x40
  #define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1)
  #define STRAPBUS_6358_BOOT_SEL_SERIAL	(0 << 1)
@@ -123,8 +123,8 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  #define STRAPBUS_6368_BOOT_SEL_MASK	0x3
  #define STRAPBUS_6368_BOOT_SEL_NAND	0
  #define STRAPBUS_6368_BOOT_SEL_SERIAL	1
-@@ -1682,6 +1683,7 @@
- #define STRAPBUS_63268_FCVO_MASK	(0xf << STRAPBUS_63268_FCVO_SHIFT)
+@@ -1697,6 +1698,7 @@
+ #define IDDQ_CTRL_63268_USBH		(1 << 4)
  
  #define MISC_STRAPBUS_6328_REG		0x240
 +#define STRAPBUS_6328_HSSPI_CLK_FAST	(1 << 4)