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authorFlorian Fainelli <florian@openwrt.org>2014-01-15 19:05:57 +0000
committerFlorian Fainelli <florian@openwrt.org>2014-01-15 19:05:57 +0000
commitbf4f1feb7a208c17c91011fb614a54f8f2440f26 (patch)
tree17d696e516e1043ba794a4ce2f62b5e0cd961ea4 /target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch
parenta467c52eca666b81c319cb9437234ce2e6e230ec (diff)
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brcm63xx: add USB support to BCM6318
BCM6318 has a special initialization sequence which involves touching PLL control registers in the USBH_PRIV register space, as well as toggling a bit the Simulation control register. Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 39302
Diffstat (limited to 'target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch')
-rw-r--r--target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch121
1 files changed, 121 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch b/target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch
new file mode 100644
index 0000000000..594348104b
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.10/347-MIPS-BCM6318-USB-support.patch
@@ -0,0 +1,121 @@
+--- a/arch/mips/bcm63xx/usb-common.c
++++ b/arch/mips/bcm63xx/usb-common.c
+@@ -109,6 +109,27 @@ 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_6318()) {
++ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
++ reg |= USBH_PRIV_PLL_CTRL1_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);
++ reg &= ~USBH_PRIV_SWAP_OHCI_ENDN_MASK;
++ reg |= USBH_PRIV_SWAP_OHCI_DATA_MASK;
++ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6318_REG);
++
++ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6318_REG);
++ reg |= USBH_PRIV_SETUP_IOC_MASK;
++ 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;
++ 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);
++ reg |= USBH_PRIV_SIM_CTRL_LADDR_SEL;
++ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SIM_CTRL_6318_REG);
+ }
+
+ spin_unlock_irqrestore(&usb_priv_reg_lock, flags);
+@@ -144,6 +165,27 @@ 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_6318()) {
++ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_PLL_CTRL1_6318_REG);
++ reg |= USBH_PRIV_PLL_CTRL1_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);
++ reg &= ~USBH_PRIV_SWAP_EHCI_ENDN_MASK;
++ reg |= USBH_PRIV_SWAP_EHCI_DATA_MASK;
++ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6318_REG);
++
++ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6318_REG);
++ reg |= USBH_PRIV_SETUP_IOC_MASK;
++ 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;
++ 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);
++ reg |= USBH_PRIV_SIM_CTRL_LADDR_SEL;
++ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SIM_CTRL_6318_REG);
+ }
+
+ spin_unlock_irqrestore(&usb_priv_reg_lock, flags);
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+@@ -800,6 +800,12 @@
+ #define GPIO_MODE_6368_SPI_SSN4 (1 << 30)
+ #define GPIO_MODE_6368_SPI_SSN5 (1 << 31)
+
++#define GPIO_PINMUX_SEL0_6318 0x1c
++#define GPIO_PINMUX_SEL0_GPIO13_SHIFT 26
++#define GPIO_PINMUX_SEL0_GPIO13_MASK (0x3 << GPIO_PINMUX_SEL0_GPIO13_SHIFT)
++#define GPIO_PINMUX_SEL0_GPIO13_PWRON (1 << GPIO_PINMUX_SEL0_GPIO13_SHIFT)
++#define GPIO_PINMUX_SEL0_GPIO13_LED (2 << GPIO_PINMUX_SEL0_GPIO13_SHIFT)
++#define GPIO_PINMUX_SEL0_GPIO13_GPIO (3 << GPIO_PINMUX_SEL0_GPIO13_SHIFT)
+
+ #define GPIO_PINMUX_OTHR_REG 0x24
+ #define GPIO_PINMUX_OTHR_6328_USB_SHIFT 12
+@@ -1118,6 +1124,7 @@
+
+ #define USBH_PRIV_SWAP_6358_REG 0x0
+ #define USBH_PRIV_SWAP_6368_REG 0x1c
++#define USBH_PRIV_SWAP_6318_REG 0x0c
+
+ #define USBH_PRIV_SWAP_USBD_SHIFT 6
+ #define USBH_PRIV_SWAP_USBD_MASK (1 << USBH_PRIV_SWAP_USBD_SHIFT)
+@@ -1143,6 +1150,13 @@
+ #define USBH_PRIV_SETUP_IOC_SHIFT 4
+ #define USBH_PRIV_SETUP_IOC_MASK (1 << USBH_PRIV_SETUP_IOC_SHIFT)
+
++#define USBH_PRIV_SETUP_6318_REG 0x00
++#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_SIM_CTRL_6318_REG 0x20
++#define USBH_PRIV_SIM_CTRL_LADDR_SEL (1 << 5)
++
+
+ /*************************************************************************
+ * _REG relative to RSET_USBD
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -299,6 +299,7 @@ static struct board_info __initdata boar
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
++ .has_ehci0 = 1,
+
+ .has_dsp = 1,
+ .dsp = {
+@@ -914,6 +915,15 @@ void __init board_prom_init(void)
+ }
+
+ bcm_gpio_writel(val, GPIO_MODE_REG);
++
++#if IS_ENABLED(CONFIG_USB)
++ if (BCMCPU_IS_6318() && (board.has_ehci0 || board.has_ohci0)) {
++ val = bcm_gpio_readl(GPIO_PINMUX_SEL0_6318);
++ val &= ~GPIO_PINMUX_SEL0_GPIO13_MASK;
++ val |= GPIO_PINMUX_SEL0_GPIO13_PWRON;
++ bcm_gpio_writel(val, GPIO_PINMUX_SEL0_6318);
++ }
++#endif
+ }
+
+ /*