net: macb: Add the clock support
Due to introducing the at91 clock driver, add the clock support. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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577aa3b358
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@ -4,6 +4,7 @@
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* SPDX-License-Identifier: GPL-2.0+
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* SPDX-License-Identifier: GPL-2.0+
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*/
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*/
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#include <common.h>
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <dm.h>
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/*
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/*
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@ -112,6 +113,7 @@ struct macb_device {
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struct mii_dev *bus;
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struct mii_dev *bus;
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#ifdef CONFIG_DM_ETH
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#ifdef CONFIG_DM_ETH
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unsigned long pclk_rate;
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phy_interface_t phy_interface;
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phy_interface_t phy_interface;
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#endif
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#endif
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};
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};
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@ -754,7 +756,11 @@ static int _macb_write_hwaddr(struct macb_device *macb, unsigned char *enetaddr)
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static u32 macb_mdc_clk_div(int id, struct macb_device *macb)
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static u32 macb_mdc_clk_div(int id, struct macb_device *macb)
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{
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{
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u32 config;
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u32 config;
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#ifdef CONFIG_DM_ETH
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unsigned long macb_hz = macb->pclk_rate;
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#else
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unsigned long macb_hz = get_macb_pclk_rate(id);
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unsigned long macb_hz = get_macb_pclk_rate(id);
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#endif
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if (macb_hz < 20000000)
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if (macb_hz < 20000000)
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config = MACB_BF(CLK, MACB_CLK_DIV8);
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config = MACB_BF(CLK, MACB_CLK_DIV8);
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@ -771,7 +777,12 @@ static u32 macb_mdc_clk_div(int id, struct macb_device *macb)
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static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
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static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
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{
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{
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u32 config;
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u32 config;
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#ifdef CONFIG_DM_ETH
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unsigned long macb_hz = macb->pclk_rate;
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#else
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unsigned long macb_hz = get_macb_pclk_rate(id);
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unsigned long macb_hz = get_macb_pclk_rate(id);
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#endif
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if (macb_hz < 20000000)
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if (macb_hz < 20000000)
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config = GEM_BF(CLK, GEM_CLK_DIV8);
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config = GEM_BF(CLK, GEM_CLK_DIV8);
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@ -991,6 +1002,30 @@ static const struct eth_ops macb_eth_ops = {
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.write_hwaddr = macb_write_hwaddr,
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.write_hwaddr = macb_write_hwaddr,
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};
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};
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static int macb_enable_clk(struct udevice *dev)
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{
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struct macb_device *macb = dev_get_priv(dev);
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struct clk clk;
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ulong clk_rate;
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int ret;
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ret = clk_get_by_index(dev, 0, &clk);
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if (ret)
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return -EINVAL;
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ret = clk_enable(&clk);
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if (ret)
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return ret;
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clk_rate = clk_get_rate(&clk);
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if (!clk_rate)
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return -EINVAL;
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macb->pclk_rate = clk_rate;
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return 0;
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}
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static int macb_eth_probe(struct udevice *dev)
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static int macb_eth_probe(struct udevice *dev)
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{
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{
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struct eth_pdata *pdata = dev_get_platdata(dev);
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struct eth_pdata *pdata = dev_get_platdata(dev);
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@ -998,6 +1033,7 @@ static int macb_eth_probe(struct udevice *dev)
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#ifdef CONFIG_DM_ETH
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#ifdef CONFIG_DM_ETH
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const char *phy_mode;
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const char *phy_mode;
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int ret;
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phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
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phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
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if (phy_mode)
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if (phy_mode)
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@ -1010,7 +1046,12 @@ static int macb_eth_probe(struct udevice *dev)
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macb->regs = (void *)pdata->iobase;
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macb->regs = (void *)pdata->iobase;
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ret = macb_enable_clk(dev);
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if (ret)
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return ret;
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_macb_eth_initialize(macb);
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_macb_eth_initialize(macb);
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#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
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#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
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int retval;
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int retval;
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struct mii_dev *mdiodev = mdio_alloc();
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struct mii_dev *mdiodev = mdio_alloc();
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