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[ar71xx] add definitions for some magic values in the spi_vsc7385 driver
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16779 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -102,6 +102,13 @@
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#define VSC73XX_ICPU_CTRL_CLK_EN (1 << 1)
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#define VSC73XX_ICPU_CTRL_CLK_EN (1 << 1)
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#define VSC73XX_ICPU_CTRL_SRST (1 << 0)
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#define VSC73XX_ICPU_CTRL_SRST (1 << 0)
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#define VSC73XX_ICPU_CHIPID_ID_SHIFT 12
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#define VSC73XX_ICPU_CHIPID_ID_MASK 0xffff
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#define VSC73XX_ICPU_CHIPID_REV_SHIFT 28
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#define VSC73XX_ICPU_CHIPID_REV_MASK 0xf
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#define VSC73XX_ICPU_CHIPID_ID_7385 0x7385
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#define VSC73XX_ICPU_CHIPID_ID_7395 0x7395
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#define VSC73XX_CMD_MODE_READ 0
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#define VSC73XX_CMD_MODE_READ 0
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#define VSC73XX_CMD_MODE_WRITE 1
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#define VSC73XX_CMD_MODE_WRITE 1
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#define VSC73XX_CMD_MODE_SHIFT 4
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#define VSC73XX_CMD_MODE_SHIFT 4
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@ -494,16 +501,18 @@ static int vsc7385_detect(struct vsc7385 *vsc)
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return err;
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return err;
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}
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}
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id = (t >> 12) & 0xffff;
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id = (t >> VSC73XX_ICPU_CHIPID_ID_SHIFT) & VSC73XX_ICPU_CHIPID_ID_MASK;
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switch (id) {
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switch (id) {
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case 0x7385:
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case VSC73XX_ICPU_CHIPID_ID_7385:
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case VSC73XX_ICPU_CHIPID_ID_7395:
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break;
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break;
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default:
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default:
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dev_err(&spi->dev, "unsupported chip, id=%04x\n", id);
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dev_err(&spi->dev, "unsupported chip, id=%04x\n", id);
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return -ENODEV;
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return -ENODEV;
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}
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}
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rev = (t >> 28) & 0xf;
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rev = (t >> VSC73XX_ICPU_CHIPID_REV_SHIFT) &
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VSC73XX_ICPU_CHIPID_REV_MASK;
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dev_info(&spi->dev, "VSC%04X (rev. %d) switch found \n", id, rev);
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dev_info(&spi->dev, "VSC%04X (rev. %d) switch found \n", id, rev);
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return 0;
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return 0;
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