diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.4/811-USB-bcma-improve-USB-2.0-PHY-support-for-BCM4709-and.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.4/811-USB-bcma-improve-USB-2.0-PHY-support-for-BCM4709-and.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/bcm53xx/patches-4.4/811-USB-bcma-improve-USB-2.0-PHY-support-for-BCM4709-and.patch b/target/linux/bcm53xx/patches-4.4/811-USB-bcma-improve-USB-2.0-PHY-support-for-BCM4709-and.patch deleted file mode 100644 index 1a27b4e..0000000 --- a/target/linux/bcm53xx/patches-4.4/811-USB-bcma-improve-USB-2.0-PHY-support-for-BCM4709-and.patch +++ /dev/null @@ -1,122 +0,0 @@ -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Subject: [PATCH] USB: bcma: improve USB 2.0 PHY support for BCM4709 and - BCM47094 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- ---- a/drivers/usb/host/bcma-hcd.c -+++ b/drivers/usb/host/bcma-hcd.c -@@ -32,6 +32,17 @@ - #include <linux/usb/ohci_pdriver.h> - #include <linux/usb/xhci_pdriver.h> - -+/* DMU (Device Management Unit) */ -+#define BCMA_DMU_CRU_USB2_CONTROL 0x0164 -+#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_MASK 0x00000FFC -+#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_SHIFT 2 -+#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK 0x00007000 -+#define BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_SHIFT 12 -+#define BCMA_DMU_CRU_CLKSET_KEY 0x0180 -+#define BCMA_DMU_CRU_STRAPS_CTRL 0x02A0 -+#define BCMA_DMU_CRU_STRAPS_CTRL_USB3 0x00000010 -+#define BCMA_DMU_CRU_STRAPS_CTRL_4BYTE 0x00008000 -+ - MODULE_AUTHOR("Hauke Mehrtens"); - MODULE_DESCRIPTION("Common USB driver for BCMA Bus"); - MODULE_LICENSE("GPL"); -@@ -241,10 +252,35 @@ static int bcma_hcd_usb20_old_arm_init(s - return 0; - } - -+static u32 bcma_hcd_usb_ref_clk_get_rate(void __iomem *dmu) -+{ -+ u32 val, ndiv, pdiv, ch2_mdiv, ch2_freq; -+ -+ /* get divider integer from the cru_genpll_control5 */ -+ val = ioread32(dmu + 0x154); -+ ndiv = (val >> 20) & 0x3ff; -+ if (ndiv == 0) -+ ndiv = 1 << 10; -+ -+ /* get pdiv and ch2_mdiv from the cru_genpll_control6 */ -+ val = ioread32(dmu + 0x158); -+ pdiv = (val >> 24) & 0x7; -+ pdiv = (pdiv == 0) ? (1 << 3) : pdiv; -+ -+ ch2_mdiv = val & 0xff; -+ ch2_mdiv = (ch2_mdiv == 0) ? (1 << 8) : ch2_mdiv; -+ -+ /* calculate ch2_freq based on 25MHz reference clock */ -+ ch2_freq = (25000000 / (pdiv * ch2_mdiv)) * ndiv; -+ -+ return ch2_freq; -+} -+ - static void bcma_hcd_init_chip_arm_phy(struct bcma_device *dev) - { - struct bcma_device *arm_core; - void __iomem *dmu; -+ u32 ref_clk_rate, usb2ctl, usb_pll_ndiv, usb_pll_pdiv; - - arm_core = bcma_find_core(dev->bus, BCMA_CORE_ARMCA9); - if (!arm_core) { -@@ -258,14 +294,29 @@ static void bcma_hcd_init_chip_arm_phy(s - return; - } - -+ ref_clk_rate = bcma_hcd_usb_ref_clk_get_rate(dmu); -+ -+ usb2ctl = ioread32(dmu + BCMA_DMU_CRU_USB2_CONTROL); -+ -+ usb_pll_pdiv = usb2ctl; -+ usb_pll_pdiv &= BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_MASK; -+ usb_pll_pdiv >>= BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_PDIV_SHIFT; -+ if (!usb_pll_pdiv) -+ usb_pll_pdiv = 1 << 3; -+ -+ /* Calculate ndiv based on a solid 1920 MHz that is for USB2 PHY */ -+ usb_pll_ndiv = (1920000000 * usb_pll_pdiv) / ref_clk_rate; -+ - /* Unlock DMU PLL settings */ -- iowrite32(0x0000ea68, dmu + 0x180); -+ iowrite32(0x0000ea68, dmu + BCMA_DMU_CRU_CLKSET_KEY); - - /* Write USB 2.0 PLL control setting */ -- iowrite32(0x00dd10c3, dmu + 0x164); -+ usb2ctl &= ~BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_MASK; -+ usb2ctl |= usb_pll_ndiv << BCMA_DMU_CRU_USB2_CONTROL_USB_PLL_NDIV_SHIFT; -+ iowrite32(usb2ctl, dmu + BCMA_DMU_CRU_USB2_CONTROL); - - /* Lock DMU PLL settings */ -- iowrite32(0x00000000, dmu + 0x180); -+ iowrite32(0x00000000, dmu + BCMA_DMU_CRU_CLKSET_KEY); - - iounmap(dmu); - } -@@ -293,15 +344,17 @@ static void bcma_hcd_init_chip_arm_hc(st - - static void bcma_hcd_init_chip_arm(struct bcma_device *dev) - { -+ struct bcma_chipinfo *chipinfo = &dev->bus->chipinfo; -+ - bcma_core_enable(dev, 0); - -- if (dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM4707 || -- dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM53018) { -- if (dev->bus->chipinfo.pkg == BCMA_PKG_ID_BCM4707 || -- dev->bus->chipinfo.pkg == BCMA_PKG_ID_BCM4708) -- bcma_hcd_init_chip_arm_phy(dev); -+ if (chipinfo->id == BCMA_CHIP_ID_BCM4707 || -+ chipinfo->id == BCMA_CHIP_ID_BCM47094 || -+ chipinfo->id == BCMA_CHIP_ID_BCM53018) { -+ bcma_hcd_init_chip_arm_phy(dev); - -- bcma_hcd_init_chip_arm_hc(dev); -+ if (1) /* TODO: Exclude BCM53573 */ -+ bcma_hcd_init_chip_arm_hc(dev); - } - } - |