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e55b4b436e
Some BCM63268 bootloaders may leave gpio registers, related to the roboswitch, disabled before loading the OpenWrt firmware. As result of this the switch won't work. These registers, if not enabled, probably avoid forwarding packets. Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>
54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From d8237d704fc25eb2fc25ef4403608b78c6a6d4be Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Sun, 15 Jul 2012 20:08:57 +0200
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Subject: [PATCH 54/81] bcm63xx_enet: enable rgmii clock on external ports
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---
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arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 13 +++++++++++++
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drivers/net/ethernet/broadcom/bcm63xx_enet.c | 12 ++++++++++++
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2 files changed, 25 insertions(+), 0 deletions(-)
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--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
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+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
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@@ -973,6 +973,19 @@
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#define ENETSW_PORTOV_FDX_MASK (1 << 1)
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#define ENETSW_PORTOV_LINKUP_MASK (1 << 0)
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+/* Port RGMII control register */
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+#define ENETSW_RGMII_CTRL_REG(x) (0x60 + (x))
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+#define ENETSW_RGMII_CTRL_GMII_CLK_EN (1 << 7)
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+#define ENETSW_RGMII_CTRL_MII_OVERRIDE_EN (1 << 6)
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+#define ENETSW_RGMII_CTRL_MII_MODE_MASK (3 << 4)
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+#define ENETSW_RGMII_CTRL_RGMII_MODE (0 << 4)
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+#define ENETSW_RGMII_CTRL_MII_MODE (1 << 4)
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+#define ENETSW_RGMII_CTRL_RVMII_MODE (2 << 4)
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+#define ENETSW_RGMII_CTRL_TIMING_SEL_EN (1 << 0)
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+
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+/* Port RGMII timing register */
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+#define ENETSW_RGMII_TIMING_REG(x) (0x68 + (x))
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+
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/* MDIO control register */
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#define ENETSW_MDIOC_REG (0xb0)
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#define ENETSW_MDIOC_EXT_MASK (1 << 16)
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--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
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+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
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@@ -2180,6 +2180,18 @@ static int bcm_enetsw_open(struct net_de
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priv->sw_port_link[i] = 0;
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}
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+ /* enable external ports */
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+ for (i = ENETSW_RGMII_PORT0; i < priv->num_ports; i++) {
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+ u8 rgmii_ctrl;
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+
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+ if (!priv->used_ports[i].used)
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+ continue;
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+
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+ rgmii_ctrl = enetsw_readb(priv, ENETSW_RGMII_CTRL_REG(i));
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+ rgmii_ctrl |= ENETSW_RGMII_CTRL_GMII_CLK_EN;
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+ enetsw_writeb(priv, rgmii_ctrl, ENETSW_RGMII_CTRL_REG(i));
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+ }
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+
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/* reset mib */
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val = enetsw_readb(priv, ENETSW_GMCR_REG);
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val |= ENETSW_GMCR_RST_MIB_MASK;
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