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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h')
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h126
1 files changed, 126 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
new file mode 100644
index 000000000..da39e4d32
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef BCM63XX_DEV_ENET_H_
+#define BCM63XX_DEV_ENET_H_
+
+#include <linux/if_ether.h>
+#include <linux/init.h>
+
+#include <bcm63xx_regs.h>
+
+/*
+ * on board ethernet platform data
+ */
+struct bcm63xx_enet_platform_data {
+ char mac_addr[ETH_ALEN];
+
+ int has_phy;
+
+ /* if has_phy, then set use_internal_phy */
+ int use_internal_phy;
+
+ /* or fill phy info to use an external one */
+ int phy_id;
+ int has_phy_interrupt;
+ int phy_interrupt;
+
+ /* if has_phy, use autonegotiated pause parameters or force
+ * them */
+ int pause_auto;
+ int pause_rx;
+ int pause_tx;
+
+ /* if !has_phy, set desired forced speed/duplex */
+ int force_speed_100;
+ int force_duplex_full;
+
+ /* if !has_phy, set callback to perform mii device
+ * init/remove */
+ int (*mii_config)(struct net_device *dev, int probe,
+ int (*mii_read)(struct net_device *dev,
+ int phy_id, int reg),
+ void (*mii_write)(struct net_device *dev,
+ int phy_id, int reg, int val));
+
+ /* DMA channel enable mask */
+ u32 dma_chan_en_mask;
+
+ /* DMA channel interrupt mask */
+ u32 dma_chan_int_mask;
+
+ /* DMA engine has internal SRAM */
+ bool dma_has_sram;
+
+ /* DMA channel register width */
+ unsigned int dma_chan_width;
+
+ /* DMA descriptor shift */
+ unsigned int dma_desc_shift;
+
+ /* dma channel ids */
+ int rx_chan;
+ int tx_chan;
+};
+
+/*
+ * on board ethernet switch platform data
+ */
+#define ENETSW_MAX_PORT 8
+#define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
+#define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
+
+#define ENETSW_RGMII_PORT0 4
+
+struct bcm63xx_enetsw_port {
+ int used;
+ int phy_id;
+
+ int bypass_link;
+ int force_speed;
+ int force_duplex_full;
+
+ const char *name;
+};
+
+struct bcm63xx_enetsw_platform_data {
+ char mac_addr[ETH_ALEN];
+ int num_ports;
+ struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
+
+ /* DMA channel enable mask */
+ u32 dma_chan_en_mask;
+
+ /* DMA channel interrupt mask */
+ u32 dma_chan_int_mask;
+
+ /* DMA channel register width */
+ unsigned int dma_chan_width;
+
+ /* DMA engine has internal SRAM */
+ bool dma_has_sram;
+};
+
+int __init bcm63xx_enet_register(int unit,
+ const struct bcm63xx_enet_platform_data *pd);
+
+int bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);
+
+enum bcm63xx_regs_enetdmac {
+ ENETDMAC_CHANCFG,
+ ENETDMAC_IR,
+ ENETDMAC_IRMASK,
+ ENETDMAC_MAXBURST,
+ ENETDMAC_BUFALLOC,
+ ENETDMAC_RSTART,
+ ENETDMAC_FC,
+ ENETDMAC_LEN,
+};
+
+static inline unsigned long bcm63xx_enetdmacreg(enum bcm63xx_regs_enetdmac reg)
+{
+ extern const unsigned long *bcm63xx_regs_enetdmac;
+
+ return bcm63xx_regs_enetdmac[reg];
+}
+
+
+#endif /* ! BCM63XX_DEV_ENET_H_ */