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author | John Crispin <john@openwrt.org> | 2013-04-03 09:58:44 +0000 |
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committer | John Crispin <john@openwrt.org> | 2013-04-03 09:58:44 +0000 |
commit | d4db00205d726f9faca3147cb345518ec5406aab (patch) | |
tree | 2e4466b8176c978c765dfeac1ea5f6ab5a0a203a /target/linux/ramips/files/drivers/net/ethernet | |
parent | 86a691144b4988d2ebfb78834b608dec51b53a33 (diff) | |
download | master-31e0f0ae-d4db00205d726f9faca3147cb345518ec5406aab.tar.gz master-31e0f0ae-d4db00205d726f9faca3147cb345518ec5406aab.tar.bz2 master-31e0f0ae-d4db00205d726f9faca3147cb345518ec5406aab.zip |
move files to files-3.7
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 36161
Diffstat (limited to 'target/linux/ramips/files/drivers/net/ethernet')
6 files changed, 0 insertions, 2856 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/Kconfig b/target/linux/ramips/files/drivers/net/ethernet/ramips/Kconfig deleted file mode 100644 index 1bc4c2bb08..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/Kconfig +++ /dev/null @@ -1,18 +0,0 @@ -config NET_RAMIPS - tristate "Ralink RT288X/RT3X5X/RT3662/RT3883 ethernet driver" - depends on MIPS_RALINK - select PHYLIB if (SOC_RT288X || SOC_RT3883) - select SWCONFIG if SOC_RT305X - help - This driver supports the etehrnet mac inside the ralink wisocs - -if NET_RAMIPS - -config NET_RAMIPS_DEBUG - bool "Enable debug messages in the Ralink ethernet driver" - -config NET_RAMIPS_DEBUG_FS - bool "Enable debugfs support for the Ralink ethernet driver" - depends on DEBUG_FS - -endif diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/Makefile b/target/linux/ramips/files/drivers/net/ethernet/ramips/Makefile deleted file mode 100644 index 22c460d4df..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Makefile for the Ramips SoCs built-in ethernet macs -# - -ramips-y += ramips_main.o - -ramips-$(CONFIG_NET_RAMIPS_DEBUG_FS) += ramips_debugfs.o - -obj-$(CONFIG_NET_RAMIPS) += ramips.o diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_debugfs.c b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_debugfs.c deleted file mode 100644 index 20afcf5028..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_debugfs.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Ralink SoC ethernet driver debugfs code - * - * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/debugfs.h> -#include <linux/module.h> -#include <linux/phy.h> - -#include "ramips_eth.h" - -static struct dentry *raeth_debugfs_root; - -static int raeth_debugfs_generic_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -void raeth_debugfs_update_int_stats(struct raeth_priv *re, u32 status) -{ - re->debug.int_stats.total += !!status; - - re->debug.int_stats.rx_delayed += !!(status & RAMIPS_RX_DLY_INT); - re->debug.int_stats.rx_done0 += !!(status & RAMIPS_RX_DONE_INT0); - re->debug.int_stats.rx_coherent += !!(status & RAMIPS_RX_COHERENT); - - re->debug.int_stats.tx_delayed += !!(status & RAMIPS_TX_DLY_INT); - re->debug.int_stats.tx_done0 += !!(status & RAMIPS_TX_DONE_INT0); - re->debug.int_stats.tx_done1 += !!(status & RAMIPS_TX_DONE_INT1); - re->debug.int_stats.tx_done2 += !!(status & RAMIPS_TX_DONE_INT2); - re->debug.int_stats.tx_done3 += !!(status & RAMIPS_TX_DONE_INT3); - re->debug.int_stats.tx_coherent += !!(status & RAMIPS_TX_COHERENT); - - re->debug.int_stats.pse_fq_empty += !!(status & RAMIPS_PSE_FQ_EMPTY); - re->debug.int_stats.pse_p0_fc += !!(status & RAMIPS_PSE_P0_FC); - re->debug.int_stats.pse_p1_fc += !!(status & RAMIPS_PSE_P1_FC); - re->debug.int_stats.pse_p2_fc += !!(status & RAMIPS_PSE_P2_FC); - re->debug.int_stats.pse_buf_drop += !!(status & RAMIPS_PSE_BUF_DROP); -} - -static ssize_t read_file_int_stats(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ -#define PR_INT_STAT(_label, _field) \ - len += snprintf(buf + len, sizeof(buf) - len, \ - "%-18s: %10lu\n", _label, re->debug.int_stats._field); - - struct raeth_priv *re = file->private_data; - char buf[512]; - unsigned int len = 0; - unsigned long flags; - - spin_lock_irqsave(&re->page_lock, flags); - - PR_INT_STAT("RX Delayed", rx_delayed); - PR_INT_STAT("RX Done 0", rx_done0); - PR_INT_STAT("RX Coherent", rx_coherent); - - PR_INT_STAT("TX Delayed", tx_delayed); - PR_INT_STAT("TX Done 0", tx_done0); - PR_INT_STAT("TX Done 1", tx_done1); - PR_INT_STAT("TX Done 2", tx_done2); - PR_INT_STAT("TX Done 3", tx_done3); - PR_INT_STAT("TX Coherent", tx_coherent); - - PR_INT_STAT("PSE FQ empty", pse_fq_empty); - PR_INT_STAT("CDMA Flow control", pse_p0_fc); - PR_INT_STAT("GDMA1 Flow control", pse_p1_fc); - PR_INT_STAT("GDMA2 Flow control", pse_p2_fc); - PR_INT_STAT("PSE discard", pse_buf_drop); - - len += snprintf(buf + len, sizeof(buf) - len, "\n"); - PR_INT_STAT("Total", total); - - spin_unlock_irqrestore(&re->page_lock, flags); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -#undef PR_INT_STAT -} - -static const struct file_operations raeth_fops_int_stats = { - .open = raeth_debugfs_generic_open, - .read = read_file_int_stats, - .owner = THIS_MODULE -}; - -void raeth_debugfs_exit(struct raeth_priv *re) -{ - debugfs_remove_recursive(re->debug.debugfs_dir); -} - -int raeth_debugfs_init(struct raeth_priv *re) -{ - re->debug.debugfs_dir = debugfs_create_dir(re->netdev->name, - raeth_debugfs_root); - if (!re->debug.debugfs_dir) - return -ENOMEM; - - debugfs_create_file("int_stats", S_IRUGO, re->debug.debugfs_dir, - re, &raeth_fops_int_stats); - - return 0; -} - -int raeth_debugfs_root_init(void) -{ - if (raeth_debugfs_root) - return -EBUSY; - - raeth_debugfs_root = debugfs_create_dir("raeth", NULL); - if (!raeth_debugfs_root) - return -ENOENT; - - return 0; -} - -void raeth_debugfs_root_exit(void) -{ - debugfs_remove(raeth_debugfs_root); - raeth_debugfs_root = NULL; -} diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_esw.c b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_esw.c deleted file mode 100644 index d3150d7a6f..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_esw.c +++ /dev/null @@ -1,1132 +0,0 @@ -#include <linux/ioport.h> -#include <linux/switch.h> -#include <linux/mii.h> - -#include <rt305x_regs.h> -#include <rt305x_esw_platform.h> - -/* - * HW limitations for this switch: - * - No large frame support (PKT_MAX_LEN at most 1536) - * - Can't have untagged vlan and tagged vlan on one port at the same time, - * though this might be possible using the undocumented PPE. - */ - -#define RT305X_ESW_REG_FCT0 0x08 -#define RT305X_ESW_REG_PFC1 0x14 -#define RT305X_ESW_REG_ATS 0x24 -#define RT305X_ESW_REG_ATS0 0x28 -#define RT305X_ESW_REG_ATS1 0x2c -#define RT305X_ESW_REG_ATS2 0x30 -#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n)) -#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n)) -#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n)) -#define RT305X_ESW_REG_POA 0x80 -#define RT305X_ESW_REG_FPA 0x84 -#define RT305X_ESW_REG_SOCPC 0x8c -#define RT305X_ESW_REG_POC0 0x90 -#define RT305X_ESW_REG_POC1 0x94 -#define RT305X_ESW_REG_POC2 0x98 -#define RT305X_ESW_REG_SGC 0x9c -#define RT305X_ESW_REG_STRT 0xa0 -#define RT305X_ESW_REG_PCR0 0xc0 -#define RT305X_ESW_REG_PCR1 0xc4 -#define RT305X_ESW_REG_FPA2 0xc8 -#define RT305X_ESW_REG_FCT2 0xcc -#define RT305X_ESW_REG_SGC2 0xe4 -#define RT305X_ESW_REG_P0LED 0xa4 -#define RT305X_ESW_REG_P1LED 0xa8 -#define RT305X_ESW_REG_P2LED 0xac -#define RT305X_ESW_REG_P3LED 0xb0 -#define RT305X_ESW_REG_P4LED 0xb4 -#define RT305X_ESW_REG_P0PC 0xe8 -#define RT305X_ESW_REG_P1PC 0xec -#define RT305X_ESW_REG_P2PC 0xf0 -#define RT305X_ESW_REG_P3PC 0xf4 -#define RT305X_ESW_REG_P4PC 0xf8 -#define RT305X_ESW_REG_P5PC 0xfc - -#define RT305X_ESW_LED_LINK 0 -#define RT305X_ESW_LED_100M 1 -#define RT305X_ESW_LED_DUPLEX 2 -#define RT305X_ESW_LED_ACTIVITY 3 -#define RT305X_ESW_LED_COLLISION 4 -#define RT305X_ESW_LED_LINKACT 5 -#define RT305X_ESW_LED_DUPLCOLL 6 -#define RT305X_ESW_LED_10MACT 7 -#define RT305X_ESW_LED_100MACT 8 -/* Additional led states not in datasheet: */ -#define RT305X_ESW_LED_BLINK 10 -#define RT305X_ESW_LED_ON 12 - -#define RT305X_ESW_LINK_S 25 -#define RT305X_ESW_DUPLEX_S 9 -#define RT305X_ESW_SPD_S 0 - -#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16 -#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13) -#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8 - -#define RT305X_ESW_PCR1_WT_DONE BIT(0) - -#define RT305X_ESW_ATS_TIMEOUT (5 * HZ) -#define RT305X_ESW_PHY_TIMEOUT (5 * HZ) - -#define RT305X_ESW_PVIDC_PVID_M 0xfff -#define RT305X_ESW_PVIDC_PVID_S 12 - -#define RT305X_ESW_VLANI_VID_M 0xfff -#define RT305X_ESW_VLANI_VID_S 12 - -#define RT305X_ESW_VMSC_MSC_M 0xff -#define RT305X_ESW_VMSC_MSC_S 8 - -#define RT305X_ESW_SOCPC_DISUN2CPU_S 0 -#define RT305X_ESW_SOCPC_DISMC2CPU_S 8 -#define RT305X_ESW_SOCPC_DISBC2CPU_S 16 -#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25) - -#define RT305X_ESW_POC0_EN_BP_S 0 -#define RT305X_ESW_POC0_EN_FC_S 8 -#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16 -#define RT305X_ESW_POC0_DIS_PORT_M 0x7f -#define RT305X_ESW_POC0_DIS_PORT_S 23 - -#define RT305X_ESW_POC2_UNTAG_EN_M 0xff -#define RT305X_ESW_POC2_UNTAG_EN_S 0 -#define RT305X_ESW_POC2_ENAGING_S 8 -#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16 - -#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f -#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0 -#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f -#define RT305X_ESW_SGC2_LAN_PMAP_S 24 - -#define RT305X_ESW_PFC1_EN_VLAN_M 0xff -#define RT305X_ESW_PFC1_EN_VLAN_S 16 -#define RT305X_ESW_PFC1_EN_TOS_S 24 - -#define RT305X_ESW_VLAN_NONE 0xfff - -#define RT305X_ESW_PORT0 0 -#define RT305X_ESW_PORT1 1 -#define RT305X_ESW_PORT2 2 -#define RT305X_ESW_PORT3 3 -#define RT305X_ESW_PORT4 4 -#define RT305X_ESW_PORT5 5 -#define RT305X_ESW_PORT6 6 - -#define RT305X_ESW_PORTS_NONE 0 - -#define RT305X_ESW_PMAP_LLLLLL 0x3f -#define RT305X_ESW_PMAP_LLLLWL 0x2f -#define RT305X_ESW_PMAP_WLLLLL 0x3e - -#define RT305X_ESW_PORTS_INTERNAL \ - (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \ - BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \ - BIT(RT305X_ESW_PORT4)) - -#define RT305X_ESW_PORTS_NOCPU \ - (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5)) - -#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6) - -#define RT305X_ESW_PORTS_ALL \ - (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU) - -#define RT305X_ESW_NUM_VLANS 16 -#define RT305X_ESW_NUM_VIDS 4096 -#define RT305X_ESW_NUM_PORTS 7 -#define RT305X_ESW_NUM_LANWAN 6 -#define RT305X_ESW_NUM_LEDS 5 - -enum { - /* Global attributes. */ - RT305X_ESW_ATTR_ENABLE_VLAN, - RT305X_ESW_ATTR_ALT_VLAN_DISABLE, - /* Port attributes. */ - RT305X_ESW_ATTR_PORT_DISABLE, - RT305X_ESW_ATTR_PORT_DOUBLETAG, - RT305X_ESW_ATTR_PORT_UNTAG, - RT305X_ESW_ATTR_PORT_LED, - RT305X_ESW_ATTR_PORT_LAN, - RT305X_ESW_ATTR_PORT_RECV_BAD, - RT305X_ESW_ATTR_PORT_RECV_GOOD, -}; - -struct rt305x_esw_port { - bool disable; - bool doubletag; - bool untag; - u8 led; - u16 pvid; -}; - -struct rt305x_esw_vlan { - u8 ports; - u16 vid; -}; - -struct rt305x_esw { - void __iomem *base; - struct rt305x_esw_platform_data *pdata; - /* Protects against concurrent register rmw operations. */ - spinlock_t reg_rw_lock; - - struct switch_dev swdev; - bool global_vlan_enable; - bool alt_vlan_disable; - struct rt305x_esw_vlan vlans[RT305X_ESW_NUM_VLANS]; - struct rt305x_esw_port ports[RT305X_ESW_NUM_PORTS]; - -}; - -static inline void -rt305x_esw_wr(struct rt305x_esw *esw, u32 val, unsigned reg) -{ - __raw_writel(val, esw->base + reg); -} - -static inline u32 -rt305x_esw_rr(struct rt305x_esw *esw, unsigned reg) -{ - return __raw_readl(esw->base + reg); -} - -static inline void -rt305x_esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask, - unsigned long val) -{ - unsigned long t; - - t = __raw_readl(esw->base + reg) & ~mask; - __raw_writel(t | val, esw->base + reg); -} - -static void -rt305x_esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask, - unsigned long val) -{ - unsigned long flags; - - spin_lock_irqsave(&esw->reg_rw_lock, flags); - rt305x_esw_rmw_raw(esw, reg, mask, val); - spin_unlock_irqrestore(&esw->reg_rw_lock, flags); -} - -static u32 -rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register, - u32 write_data) -{ - unsigned long t_start = jiffies; - int ret = 0; - - while (1) { - if (!(rt305x_esw_rr(esw, RT305X_ESW_REG_PCR1) & - RT305X_ESW_PCR1_WT_DONE)) - break; - if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) { - ret = 1; - goto out; - } - } - - write_data &= 0xffff; - rt305x_esw_wr(esw, - (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) | - (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) | - (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD, - RT305X_ESW_REG_PCR0); - - t_start = jiffies; - while (1) { - if (rt305x_esw_rr(esw, RT305X_ESW_REG_PCR1) & - RT305X_ESW_PCR1_WT_DONE) - break; - - if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) { - ret = 1; - break; - } - } -out: - if (ret) - printk(KERN_ERR "ramips_eth: MDIO timeout\n"); - return ret; -} - -static unsigned -rt305x_esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan) -{ - unsigned s; - unsigned val; - - s = RT305X_ESW_VLANI_VID_S * (vlan % 2); - val = rt305x_esw_rr(esw, RT305X_ESW_REG_VLANI(vlan / 2)); - val = (val >> s) & RT305X_ESW_VLANI_VID_M; - - return val; -} - -static void -rt305x_esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid) -{ - unsigned s; - - s = RT305X_ESW_VLANI_VID_S * (vlan % 2); - rt305x_esw_rmw(esw, - RT305X_ESW_REG_VLANI(vlan / 2), - RT305X_ESW_VLANI_VID_M << s, - (vid & RT305X_ESW_VLANI_VID_M) << s); -} - -static unsigned -rt305x_esw_get_pvid(struct rt305x_esw *esw, unsigned port) -{ - unsigned s, val; - - s = RT305X_ESW_PVIDC_PVID_S * (port % 2); - val = rt305x_esw_rr(esw, RT305X_ESW_REG_PVIDC(port / 2)); - return (val >> s) & RT305X_ESW_PVIDC_PVID_M; -} - -static void -rt305x_esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid) -{ - unsigned s; - - s = RT305X_ESW_PVIDC_PVID_S * (port % 2); - rt305x_esw_rmw(esw, - RT305X_ESW_REG_PVIDC(port / 2), - RT305X_ESW_PVIDC_PVID_M << s, - (pvid & RT305X_ESW_PVIDC_PVID_M) << s); -} - -static unsigned -rt305x_esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan) -{ - unsigned s, val; - - s = RT305X_ESW_VMSC_MSC_S * (vlan % 4); - val = rt305x_esw_rr(esw, RT305X_ESW_REG_VMSC(vlan / 4)); - val = (val >> s) & RT305X_ESW_VMSC_MSC_M; - - return val; -} - -static void -rt305x_esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc) -{ - unsigned s; - - s = RT305X_ESW_VMSC_MSC_S * (vlan % 4); - rt305x_esw_rmw(esw, - RT305X_ESW_REG_VMSC(vlan / 4), - RT305X_ESW_VMSC_MSC_M << s, - (msc & RT305X_ESW_VMSC_MSC_M) << s); -} - -static unsigned -rt305x_esw_get_port_disable(struct rt305x_esw *esw) -{ - unsigned reg; - reg = rt305x_esw_rr(esw, RT305X_ESW_REG_POC0); - return (reg >> RT305X_ESW_POC0_DIS_PORT_S) & - RT305X_ESW_POC0_DIS_PORT_M; -} - -static void -rt305x_esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask) -{ - unsigned old_mask; - unsigned enable_mask; - unsigned changed; - int i; - - old_mask = rt305x_esw_get_port_disable(esw); - changed = old_mask ^ disable_mask; - enable_mask = old_mask & disable_mask; - - /* enable before writing to MII */ - rt305x_esw_rmw(esw, RT305X_ESW_REG_POC0, - (RT305X_ESW_POC0_DIS_PORT_M << - RT305X_ESW_POC0_DIS_PORT_S), - enable_mask << RT305X_ESW_POC0_DIS_PORT_S); - - for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) { - if (!(changed & (1 << i))) - continue; - if (disable_mask & (1 << i)) { - /* disable */ - rt305x_mii_write(esw, i, MII_BMCR, - BMCR_PDOWN); - } else { - /* enable */ - rt305x_mii_write(esw, i, MII_BMCR, - BMCR_FULLDPLX | - BMCR_ANENABLE | - BMCR_ANRESTART | - BMCR_SPEED100); - } - } - - /* disable after writing to MII */ - rt305x_esw_rmw(esw, RT305X_ESW_REG_POC0, - (RT305X_ESW_POC0_DIS_PORT_M << - RT305X_ESW_POC0_DIS_PORT_S), - disable_mask << RT305X_ESW_POC0_DIS_PORT_S); -} - -static int -rt305x_esw_apply_config(struct switch_dev *dev); - -static void -rt305x_esw_hw_init(struct rt305x_esw *esw) -{ - int i; - u8 port_disable = 0; - u8 port_map = RT305X_ESW_PMAP_LLLLLL; - - /* vodoo from original driver */ - rt305x_esw_wr(esw, 0xC8A07850, RT305X_ESW_REG_FCT0); - rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_SGC2); - /* Port priority 1 for all ports, vlan enabled. */ - rt305x_esw_wr(esw, 0x00005555 | - (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S), - RT305X_ESW_REG_PFC1); - - /* Enable Back Pressure, and Flow Control */ - rt305x_esw_wr(esw, - ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) | - (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)), - RT305X_ESW_REG_POC0); - - /* Enable Aging, and VLAN TAG removal */ - rt305x_esw_wr(esw, - ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) | - (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)), - RT305X_ESW_REG_POC2); - - rt305x_esw_wr(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2); - - /* - * 300s aging timer, max packet len 1536, broadcast storm prevention - * disabled, disable collision abort, mac xor48 hash, 10 packet back - * pressure jam, GMII disable was_transmit, back pressure disabled, - * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all - * ports. - */ - rt305x_esw_wr(esw, 0x0008a301, RT305X_ESW_REG_SGC); - - /* Setup SoC Port control register */ - rt305x_esw_wr(esw, - (RT305X_ESW_SOCPC_CRC_PADDING | - (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) | - (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) | - (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)), - RT305X_ESW_REG_SOCPC); - - rt305x_esw_wr(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2); - rt305x_esw_wr(esw, 0x00000000, RT305X_ESW_REG_FPA); - - /* Force Link/Activity on ports */ - rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P0LED); - rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P1LED); - rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P2LED); - rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P3LED); - rt305x_esw_wr(esw, 0x00000005, RT305X_ESW_REG_P4LED); - - /* Copy disabled port configuration from bootloader setup */ - port_disable = rt305x_esw_get_port_disable(esw); - for (i = 0; i < 6; i++) - esw->ports[i].disable = (port_disable & (1 << i)) != 0; - - rt305x_mii_write(esw, 0, 31, 0x8000); - for (i = 0; i < 5; i++) { - if (esw->ports[i].disable) { - rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN); - } else { - rt305x_mii_write(esw, i, MII_BMCR, - BMCR_FULLDPLX | - BMCR_ANENABLE | - BMCR_SPEED100); - } - /* TX10 waveform coefficient */ - rt305x_mii_write(esw, i, 26, 0x1601); - /* TX100/TX10 AD/DA current bias */ - rt305x_mii_write(esw, i, 29, 0x7058); - /* TX100 slew rate control */ - rt305x_mii_write(esw, i, 30, 0x0018); - } - - /* PHY IOT */ - /* select global register */ - rt305x_mii_write(esw, 0, 31, 0x0); - /* tune TP_IDL tail and head waveform */ - rt305x_mii_write(esw, 0, 22, 0x052f); - /* set TX10 signal amplitude threshold to minimum */ - rt305x_mii_write(esw, 0, 17, 0x0fe0); - /* set squelch amplitude to higher threshold */ - rt305x_mii_write(esw, 0, 18, 0x40ba); - /* longer TP_IDL tail length */ - rt305x_mii_write(esw, 0, 14, 0x65); - /* select local register */ - rt305x_mii_write(esw, 0, 31, 0x8000); - - switch (esw->pdata->vlan_config) { - case RT305X_ESW_VLAN_CONFIG_NONE: - port_map = RT305X_ESW_PMAP_LLLLLL; - break; - case RT305X_ESW_VLAN_CONFIG_LLLLW: - port_map = RT305X_ESW_PMAP_LLLLWL; - break; - case RT305X_ESW_VLAN_CONFIG_WLLLL: - port_map = RT305X_ESW_PMAP_WLLLLL; - break; - default: - BUG(); - } - - /* - * Unused HW feature, but still nice to be consistent here... - * This is also exported to userspace ('lan' attribute) so it's - * conveniently usable to decide which ports go into the wan vlan by - * default. - */ - rt305x_esw_rmw(esw, RT305X_ESW_REG_SGC2, - RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S, - port_map << RT305X_ESW_SGC2_LAN_PMAP_S); - - /* make the switch leds blink */ - for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) - esw->ports[i].led = 0x05; - - /* Apply the empty config. */ - rt305x_esw_apply_config(&esw->swdev); -} - -static int -rt305x_esw_apply_config(struct switch_dev *dev) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int i; - u8 disable = 0; - u8 doubletag = 0; - u8 en_vlan = 0; - u8 untag = 0; - - for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { - u32 vid, vmsc; - if (esw->global_vlan_enable) { - vid = esw->vlans[i].vid; - vmsc = esw->vlans[i].ports; - } else { - vid = RT305X_ESW_VLAN_NONE; - vmsc = RT305X_ESW_PORTS_NONE; - } - rt305x_esw_set_vlan_id(esw, i, vid); - rt305x_esw_set_vmsc(esw, i, vmsc); - } - - for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) { - u32 pvid; - disable |= esw->ports[i].disable << i; - if (esw->global_vlan_enable) { - doubletag |= esw->ports[i].doubletag << i; - en_vlan |= 1 << i; - untag |= esw->ports[i].untag << i; - pvid = esw->ports[i].pvid; - } else { - int x = esw->alt_vlan_disable ? 0 : 1; - doubletag |= x << i; - en_vlan |= x << i; - untag |= x << i; - pvid = 0; - } - rt305x_esw_set_pvid(esw, i, pvid); - if (i < RT305X_ESW_NUM_LEDS) - rt305x_esw_wr(esw, esw->ports[i].led, - RT305X_ESW_REG_P0LED + 4*i); - } - - rt305x_esw_set_port_disable(esw, disable); - rt305x_esw_rmw(esw, RT305X_ESW_REG_SGC2, - (RT305X_ESW_SGC2_DOUBLE_TAG_M << - RT305X_ESW_SGC2_DOUBLE_TAG_S), - doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S); - rt305x_esw_rmw(esw, RT305X_ESW_REG_PFC1, - RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S, - en_vlan << RT305X_ESW_PFC1_EN_VLAN_S); - rt305x_esw_rmw(esw, RT305X_ESW_REG_POC2, - RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S, - untag << RT305X_ESW_POC2_UNTAG_EN_S); - - if (!esw->global_vlan_enable) { - /* - * Still need to put all ports into vlan 0 or they'll be - * isolated. - * NOTE: vlan 0 is special, no vlan tag is prepended - */ - rt305x_esw_set_vlan_id(esw, 0, 0); - rt305x_esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL); - } - - return 0; -} - -static int -rt305x_esw_reset_switch(struct switch_dev *dev) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - esw->global_vlan_enable = 0; - memset(esw->ports, 0, sizeof(esw->ports)); - memset(esw->vlans, 0, sizeof(esw->vlans)); - rt305x_esw_hw_init(esw); - - return 0; -} - -static int -rt305x_esw_get_vlan_enable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - val->value.i = esw->global_vlan_enable; - - return 0; -} - -static int -rt305x_esw_set_vlan_enable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - esw->global_vlan_enable = val->value.i != 0; - - return 0; -} - -static int -rt305x_esw_get_alt_vlan_disable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - val->value.i = esw->alt_vlan_disable; - - return 0; -} - -static int -rt305x_esw_set_alt_vlan_disable(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - esw->alt_vlan_disable = val->value.i != 0; - - return 0; -} - -static int -rt305x_esw_get_port_link(struct switch_dev *dev, - int port, - struct switch_port_link *link) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - u32 speed, poa; - - if (port < 0 || port >= RT305X_ESW_NUM_PORTS) - return -EINVAL; - - poa = rt305x_esw_rr(esw, RT305X_ESW_REG_POA) >> port; - - link->link = (poa >> RT305X_ESW_LINK_S) & 1; - link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1; - if (port < RT305X_ESW_NUM_LEDS) { - speed = (poa >> RT305X_ESW_SPD_S) & 1; - } else { - if (port == RT305X_ESW_NUM_PORTS - 1) - poa >>= 1; - speed = (poa >> RT305X_ESW_SPD_S) & 3; - } - switch (speed) { - case 0: - link->speed = SWITCH_PORT_SPEED_10; - break; - case 1: - link->speed = SWITCH_PORT_SPEED_100; - break; - case 2: - case 3: /* forced gige speed can be 2 or 3 */ - link->speed = SWITCH_PORT_SPEED_1000; - break; - default: - link->speed = SWITCH_PORT_SPEED_UNKNOWN; - break; - } - - return 0; -} - -static int -rt305x_esw_get_port_bool(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int idx = val->port_vlan; - u32 x, reg, shift; - - if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS) - return -EINVAL; - - switch (attr->id) { - case RT305X_ESW_ATTR_PORT_DISABLE: - reg = RT305X_ESW_REG_POC0; - shift = RT305X_ESW_POC0_DIS_PORT_S; - break; - case RT305X_ESW_ATTR_PORT_DOUBLETAG: - reg = RT305X_ESW_REG_SGC2; - shift = RT305X_ESW_SGC2_DOUBLE_TAG_S; - break; - case RT305X_ESW_ATTR_PORT_UNTAG: - reg = RT305X_ESW_REG_POC2; - shift = RT305X_ESW_POC2_UNTAG_EN_S; - break; - case RT305X_ESW_ATTR_PORT_LAN: - reg = RT305X_ESW_REG_SGC2; - shift = RT305X_ESW_SGC2_LAN_PMAP_S; - if (idx >= RT305X_ESW_NUM_LANWAN) - return -EINVAL; - break; - default: - return -EINVAL; - } - - x = rt305x_esw_rr(esw, reg); - val->value.i = (x >> (idx + shift)) & 1; - - return 0; -} - -static int -rt305x_esw_set_port_bool(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int idx = val->port_vlan; - - if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS || - val->value.i < 0 || val->value.i > 1) - return -EINVAL; - - switch (attr->id) { - case RT305X_ESW_ATTR_PORT_DISABLE: - esw->ports[idx].disable = val->value.i; - break; - case RT305X_ESW_ATTR_PORT_DOUBLETAG: - esw->ports[idx].doubletag = val->value.i; - break; - case RT305X_ESW_ATTR_PORT_UNTAG: - esw->ports[idx].untag = val->value.i; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int -rt305x_esw_get_port_recv_badgood(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int idx = val->port_vlan; - int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16; - u32 reg; - - if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN) - return -EINVAL; - - reg = rt305x_esw_rr(esw, RT305X_ESW_REG_P0PC + 4*idx); - val->value.i = (reg >> shift) & 0xffff; - - return 0; -} - -static int -rt305x_esw_get_port_led(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int idx = val->port_vlan; - - if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS || - idx >= RT305X_ESW_NUM_LEDS) - return -EINVAL; - - val->value.i = rt305x_esw_rr(esw, RT305X_ESW_REG_P0LED + 4*idx); - - return 0; -} - -static int -rt305x_esw_set_port_led(struct switch_dev *dev, - const struct switch_attr *attr, - struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int idx = val->port_vlan; - - if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS) - return -EINVAL; - - esw->ports[idx].led = val->value.i; - - return 0; -} - -static int -rt305x_esw_get_port_pvid(struct switch_dev *dev, int port, int *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - if (port >= RT305X_ESW_NUM_PORTS) - return -EINVAL; - - *val = rt305x_esw_get_pvid(esw, port); - - return 0; -} - -static int -rt305x_esw_set_port_pvid(struct switch_dev *dev, int port, int val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - - if (port >= RT305X_ESW_NUM_PORTS) - return -EINVAL; - - esw->ports[port].pvid = val; - - return 0; -} - -static int -rt305x_esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - u32 vmsc, poc2; - int vlan_idx = -1; - int i; - - val->len = 0; - - if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS) - return -EINVAL; - - /* valid vlan? */ - for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { - if (rt305x_esw_get_vlan_id(esw, i) == val->port_vlan && - rt305x_esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) { - vlan_idx = i; - break; - } - } - - if (vlan_idx == -1) - return -EINVAL; - - vmsc = rt305x_esw_get_vmsc(esw, vlan_idx); - poc2 = rt305x_esw_rr(esw, RT305X_ESW_REG_POC2); - - for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) { - struct switch_port *p; - int port_mask = 1 << i; - - if (!(vmsc & port_mask)) - continue; - - p = &val->value.ports[val->len++]; - p->id = i; - if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S)) - p->flags = 0; - else - p->flags = 1 << SWITCH_PORT_FLAG_TAGGED; - } - - return 0; -} - -static int -rt305x_esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val) -{ - struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev); - int ports; - int vlan_idx = -1; - int i; - - if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS || - val->len > RT305X_ESW_NUM_PORTS) - return -EINVAL; - - /* one of the already defined vlans? */ - for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) { - if (esw->vlans[i].vid == val->port_vlan && - esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) { - vlan_idx = i; - break; - } - } - - /* select a free slot */ - for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) { - if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE) - vlan_idx = i; - } - - /* bail if all slots are in use */ - if (vlan_idx == -1) - return -EINVAL; - - ports = RT305X_ESW_PORTS_NONE; - for (i = 0; i < val->len; i++) { - struct switch_port *p = &val->value.ports[i]; - int port_mask = 1 << p->id; - bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)); - - if (p->id >= RT305X_ESW_NUM_PORTS) - return -EINVAL; - - ports |= port_mask; - esw->ports[p->id].untag = untagged; - } - esw->vlans[vlan_idx].ports = ports; - if (ports == RT305X_ESW_PORTS_NONE) - esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE; - else - esw->vlans[vlan_idx].vid = val->port_vlan; - - return 0; -} - -static const struct switch_attr rt305x_esw_global[] = { - { - .type = SWITCH_TYPE_INT, - .name = "enable_vlan", - .description = "VLAN mode (1:enabled)", - .max = 1, - .id = RT305X_ESW_ATTR_ENABLE_VLAN, - .get = rt305x_esw_get_vlan_enable, - .set = rt305x_esw_set_vlan_enable, - }, - { - .type = SWITCH_TYPE_INT, - .name = "alternate_vlan_disable", - .description = "Use en_vlan instead of doubletag to disable" - " VLAN mode", - .max = 1, - .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE, - .get = rt305x_esw_get_alt_vlan_disable, - .set = rt305x_esw_set_alt_vlan_disable, - }, -}; - -static const struct switch_attr rt305x_esw_port[] = { - { - .type = SWITCH_TYPE_INT, - .name = "disable", - .description = "Port state (1:disabled)", - .max = 1, - .id = RT305X_ESW_ATTR_PORT_DISABLE, - .get = rt305x_esw_get_port_bool, - .set = rt305x_esw_set_port_bool, - }, - { - .type = SWITCH_TYPE_INT, - .name = "doubletag", - .description = "Double tagging for incoming vlan packets " - "(1:enabled)", - .max = 1, - .id = RT305X_ESW_ATTR_PORT_DOUBLETAG, - .get = rt305x_esw_get_port_bool, - .set = rt305x_esw_set_port_bool, - }, - { - .type = SWITCH_TYPE_INT, - .name = "untag", - .description = "Untag (1:strip outgoing vlan tag)", - .max = 1, - .id = RT305X_ESW_ATTR_PORT_UNTAG, - .get = rt305x_esw_get_port_bool, - .set = rt305x_esw_set_port_bool, - }, - { - .type = SWITCH_TYPE_INT, - .name = "led", - .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity," - " 4:collision, 5:linkact, 6:duplcoll, 7:10mact," - " 8:100mact, 10:blink, 12:on)", - .max = 15, - .id = RT305X_ESW_ATTR_PORT_LED, - .get = rt305x_esw_get_port_led, - .set = rt305x_esw_set_port_led, - }, - { - .type = SWITCH_TYPE_INT, - .name = "lan", - .description = "HW port group (0:wan, 1:lan)", - .max = 1, - .id = RT305X_ESW_ATTR_PORT_LAN, - .get = rt305x_esw_get_port_bool, - }, - { - .type = SWITCH_TYPE_INT, - .name = "recv_bad", - .description = "Receive bad packet counter", - .id = RT305X_ESW_ATTR_PORT_RECV_BAD, - .get = rt305x_esw_get_port_recv_badgood, - }, - { - .type = SWITCH_TYPE_INT, - .name = "recv_good", - .description = "Receive good packet counter", - .id = RT305X_ESW_ATTR_PORT_RECV_GOOD, - .get = rt305x_esw_get_port_recv_badgood, - }, -}; - -static const struct switch_attr rt305x_esw_vlan[] = { -}; - -static const struct switch_dev_ops rt305x_esw_ops = { - .attr_global = { - .attr = rt305x_esw_global, - .n_attr = ARRAY_SIZE(rt305x_esw_global), - }, - .attr_port = { - .attr = rt305x_esw_port, - .n_attr = ARRAY_SIZE(rt305x_esw_port), - }, - .attr_vlan = { - .attr = rt305x_esw_vlan, - .n_attr = ARRAY_SIZE(rt305x_esw_vlan), - }, - .get_vlan_ports = rt305x_esw_get_vlan_ports, - .set_vlan_ports = rt305x_esw_set_vlan_ports, - .get_port_pvid = rt305x_esw_get_port_pvid, - .set_port_pvid = rt305x_esw_set_port_pvid, - .get_port_link = rt305x_esw_get_port_link, - .apply_config = rt305x_esw_apply_config, - .reset_switch = rt305x_esw_reset_switch, -}; - -static int -rt305x_esw_probe(struct platform_device *pdev) -{ - struct rt305x_esw_platform_data *pdata; - struct rt305x_esw *esw; - struct switch_dev *swdev; - struct resource *res; - int err; - - pdata = pdev->dev.platform_data; - if (!pdata) - return -EINVAL; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no memory resource found\n"); - return -ENOMEM; - } - - esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL); - if (!esw) { - dev_err(&pdev->dev, "no memory for private data\n"); - return -ENOMEM; - } - - esw->base = ioremap(res->start, resource_size(res)); - if (!esw->base) { - dev_err(&pdev->dev, "ioremap failed\n"); - err = -ENOMEM; - goto free_esw; - } - - swdev = &esw->swdev; - swdev->name = "rt305x-esw"; - swdev->alias = "rt305x"; - swdev->cpu_port = RT305X_ESW_PORT6; - swdev->ports = RT305X_ESW_NUM_PORTS; - swdev->vlans = RT305X_ESW_NUM_VIDS; - swdev->ops = &rt305x_esw_ops; - - err = register_switch(swdev, NULL); - if (err < 0) { - dev_err(&pdev->dev, "register_switch failed\n"); - goto unmap_base; - } - - platform_set_drvdata(pdev, esw); - - esw->pdata = pdata; - spin_lock_init(&esw->reg_rw_lock); - rt305x_esw_hw_init(esw); - - return 0; - -unmap_base: - iounmap(esw->base); -free_esw: - kfree(esw); - return err; -} - -static int -rt305x_esw_remove(struct platform_device *pdev) -{ - struct rt305x_esw *esw; - - esw = platform_get_drvdata(pdev); - if (esw) { - unregister_switch(&esw->swdev); - platform_set_drvdata(pdev, NULL); - iounmap(esw->base); - kfree(esw); - } - - return 0; -} - -static struct platform_driver rt305x_esw_driver = { - .probe = rt305x_esw_probe, - .remove = rt305x_esw_remove, - .driver = { - .name = "rt305x-esw", - .owner = THIS_MODULE, - }, -}; - -static int __init -rt305x_esw_init(void) -{ - return platform_driver_register(&rt305x_esw_driver); -} - -static void -rt305x_esw_exit(void) -{ - platform_driver_unregister(&rt305x_esw_driver); -} diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_eth.h b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_eth.h deleted file mode 100644 index 66187030b9..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_eth.h +++ /dev/null @@ -1,358 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * based on Ralink SDK3.3 - * Copyright (C) 2009 John Crispin <blogic@openwrt.org> - */ - -#ifndef RAMIPS_ETH_H -#define RAMIPS_ETH_H - -#include <linux/mii.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/dma-mapping.h> - -#define NUM_RX_DESC 256 -#define NUM_TX_DESC 256 - -#define RAMIPS_DELAY_EN_INT 0x80 -#define RAMIPS_DELAY_MAX_INT 0x04 -#define RAMIPS_DELAY_MAX_TOUT 0x04 -#define RAMIPS_DELAY_CHAN (((RAMIPS_DELAY_EN_INT | RAMIPS_DELAY_MAX_INT) << 8) | RAMIPS_DELAY_MAX_TOUT) -#define RAMIPS_DELAY_INIT ((RAMIPS_DELAY_CHAN << 16) | RAMIPS_DELAY_CHAN) -#define RAMIPS_PSE_FQFC_CFG_INIT 0x80504000 - -/* interrupt bits */ -#define RAMIPS_CNT_PPE_AF BIT(31) -#define RAMIPS_CNT_GDM_AF BIT(29) -#define RAMIPS_PSE_P2_FC BIT(26) -#define RAMIPS_PSE_BUF_DROP BIT(24) -#define RAMIPS_GDM_OTHER_DROP BIT(23) -#define RAMIPS_PSE_P1_FC BIT(22) -#define RAMIPS_PSE_P0_FC BIT(21) -#define RAMIPS_PSE_FQ_EMPTY BIT(20) -#define RAMIPS_GE1_STA_CHG BIT(18) -#define RAMIPS_TX_COHERENT BIT(17) -#define RAMIPS_RX_COHERENT BIT(16) -#define RAMIPS_TX_DONE_INT3 BIT(11) -#define RAMIPS_TX_DONE_INT2 BIT(10) -#define RAMIPS_TX_DONE_INT1 BIT(9) -#define RAMIPS_TX_DONE_INT0 BIT(8) -#define RAMIPS_RX_DONE_INT0 BIT(2) -#define RAMIPS_TX_DLY_INT BIT(1) -#define RAMIPS_RX_DLY_INT BIT(0) - -#define RT5350_RX_DLY_INT BIT(30) -#define RT5350_TX_DLY_INT BIT(28) - -/* registers */ -#define RAMIPS_FE_OFFSET 0x0000 -#define RAMIPS_GDMA_OFFSET 0x0020 -#define RAMIPS_PSE_OFFSET 0x0040 -#define RAMIPS_GDMA2_OFFSET 0x0060 -#define RAMIPS_CDMA_OFFSET 0x0080 -#define RAMIPS_PDMA_OFFSET 0x0100 -#define RAMIPS_PPE_OFFSET 0x0200 -#define RAMIPS_CMTABLE_OFFSET 0x0400 -#define RAMIPS_POLICYTABLE_OFFSET 0x1000 - -#define RT5350_PDMA_OFFSET 0x0800 -#define RT5350_SDM_OFFSET 0x0c00 - -#define RAMIPS_MDIO_ACCESS (RAMIPS_FE_OFFSET + 0x00) -#define RAMIPS_MDIO_CFG (RAMIPS_FE_OFFSET + 0x04) -#define RAMIPS_FE_GLO_CFG (RAMIPS_FE_OFFSET + 0x08) -#define RAMIPS_FE_RST_GL (RAMIPS_FE_OFFSET + 0x0C) -#define RAMIPS_FE_INT_STATUS (RAMIPS_FE_OFFSET + 0x10) -#define RAMIPS_FE_INT_ENABLE (RAMIPS_FE_OFFSET + 0x14) -#define RAMIPS_MDIO_CFG2 (RAMIPS_FE_OFFSET + 0x18) -#define RAMIPS_FOC_TS_T (RAMIPS_FE_OFFSET + 0x1C) - -#define RAMIPS_GDMA1_FWD_CFG (RAMIPS_GDMA_OFFSET + 0x00) -#define RAMIPS_GDMA1_SCH_CFG (RAMIPS_GDMA_OFFSET + 0x04) -#define RAMIPS_GDMA1_SHPR_CFG (RAMIPS_GDMA_OFFSET + 0x08) -#define RAMIPS_GDMA1_MAC_ADRL (RAMIPS_GDMA_OFFSET + 0x0C) -#define RAMIPS_GDMA1_MAC_ADRH (RAMIPS_GDMA_OFFSET + 0x10) - -#define RAMIPS_GDMA2_FWD_CFG (RAMIPS_GDMA2_OFFSET + 0x00) -#define RAMIPS_GDMA2_SCH_CFG (RAMIPS_GDMA2_OFFSET + 0x04) -#define RAMIPS_GDMA2_SHPR_CFG (RAMIPS_GDMA2_OFFSET + 0x08) -#define RAMIPS_GDMA2_MAC_ADRL (RAMIPS_GDMA2_OFFSET + 0x0C) -#define RAMIPS_GDMA2_MAC_ADRH (RAMIPS_GDMA2_OFFSET + 0x10) - -#define RAMIPS_PSE_FQ_CFG (RAMIPS_PSE_OFFSET + 0x00) -#define RAMIPS_CDMA_FC_CFG (RAMIPS_PSE_OFFSET + 0x04) -#define RAMIPS_GDMA1_FC_CFG (RAMIPS_PSE_OFFSET + 0x08) -#define RAMIPS_GDMA2_FC_CFG (RAMIPS_PSE_OFFSET + 0x0C) - -#define RAMIPS_CDMA_CSG_CFG (RAMIPS_CDMA_OFFSET + 0x00) -#define RAMIPS_CDMA_SCH_CFG (RAMIPS_CDMA_OFFSET + 0x04) - -#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00) -#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04) -#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08) -#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C) -#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10) -#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14) -#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18) -#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C) -#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20) -#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24) -#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28) -#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C) -#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30) -#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34) -#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38) -#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C) -#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100) -#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104) -#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108) -#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C) -#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110) -#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114) -#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118) -#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C) -#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204) -#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208) -#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c) -#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220) -#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228) -#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280) - - -#define RAMIPS_PDMA_GLO_CFG (RAMIPS_PDMA_OFFSET + 0x00) -#define RAMIPS_PDMA_RST_CFG (RAMIPS_PDMA_OFFSET + 0x04) -#define RAMIPS_PDMA_SCH_CFG (RAMIPS_PDMA_OFFSET + 0x08) -#define RAMIPS_DLY_INT_CFG (RAMIPS_PDMA_OFFSET + 0x0C) -#define RAMIPS_TX_BASE_PTR0 (RAMIPS_PDMA_OFFSET + 0x10) -#define RAMIPS_TX_MAX_CNT0 (RAMIPS_PDMA_OFFSET + 0x14) -#define RAMIPS_TX_CTX_IDX0 (RAMIPS_PDMA_OFFSET + 0x18) -#define RAMIPS_TX_DTX_IDX0 (RAMIPS_PDMA_OFFSET + 0x1C) -#define RAMIPS_TX_BASE_PTR1 (RAMIPS_PDMA_OFFSET + 0x20) -#define RAMIPS_TX_MAX_CNT1 (RAMIPS_PDMA_OFFSET + 0x24) -#define RAMIPS_TX_CTX_IDX1 (RAMIPS_PDMA_OFFSET + 0x28) -#define RAMIPS_TX_DTX_IDX1 (RAMIPS_PDMA_OFFSET + 0x2C) -#define RAMIPS_RX_BASE_PTR0 (RAMIPS_PDMA_OFFSET + 0x30) -#define RAMIPS_RX_MAX_CNT0 (RAMIPS_PDMA_OFFSET + 0x34) -#define RAMIPS_RX_CALC_IDX0 (RAMIPS_PDMA_OFFSET + 0x38) -#define RAMIPS_RX_DRX_IDX0 (RAMIPS_PDMA_OFFSET + 0x3C) -#define RAMIPS_TX_BASE_PTR2 (RAMIPS_PDMA_OFFSET + 0x40) -#define RAMIPS_TX_MAX_CNT2 (RAMIPS_PDMA_OFFSET + 0x44) -#define RAMIPS_TX_CTX_IDX2 (RAMIPS_PDMA_OFFSET + 0x48) -#define RAMIPS_TX_DTX_IDX2 (RAMIPS_PDMA_OFFSET + 0x4C) -#define RAMIPS_TX_BASE_PTR3 (RAMIPS_PDMA_OFFSET + 0x50) -#define RAMIPS_TX_MAX_CNT3 (RAMIPS_PDMA_OFFSET + 0x54) -#define RAMIPS_TX_CTX_IDX3 (RAMIPS_PDMA_OFFSET + 0x58) -#define RAMIPS_TX_DTX_IDX3 (RAMIPS_PDMA_OFFSET + 0x5C) -#define RAMIPS_RX_BASE_PTR1 (RAMIPS_PDMA_OFFSET + 0x60) -#define RAMIPS_RX_MAX_CNT1 (RAMIPS_PDMA_OFFSET + 0x64) -#define RAMIPS_RX_CALC_IDX1 (RAMIPS_PDMA_OFFSET + 0x68) -#define RAMIPS_RX_DRX_IDX1 (RAMIPS_PDMA_OFFSET + 0x6C) - -#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) //Switch DMA configuration -#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) //Switch DMA Rx Ring -#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) //Switch DMA Tx Ring -#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) //Switch MAC address LSB -#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) //Switch MAC Address MSB -#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count -#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count -#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count -#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count -#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count - -#define RT5350_SDM_ICS_EN BIT(16) -#define RT5350_SDM_TCS_EN BIT(17) -#define RT5350_SDM_UCS_EN BIT(18) - - -/* MDIO_CFG register bits */ -#define RAMIPS_MDIO_CFG_AUTO_POLL_EN BIT(29) -#define RAMIPS_MDIO_CFG_GP1_BP_EN BIT(16) -#define RAMIPS_MDIO_CFG_GP1_FRC_EN BIT(15) -#define RAMIPS_MDIO_CFG_GP1_SPEED_10 (0 << 13) -#define RAMIPS_MDIO_CFG_GP1_SPEED_100 (1 << 13) -#define RAMIPS_MDIO_CFG_GP1_SPEED_1000 (2 << 13) -#define RAMIPS_MDIO_CFG_GP1_DUPLEX BIT(12) -#define RAMIPS_MDIO_CFG_GP1_FC_TX BIT(11) -#define RAMIPS_MDIO_CFG_GP1_FC_RX BIT(10) -#define RAMIPS_MDIO_CFG_GP1_LNK_DWN BIT(9) -#define RAMIPS_MDIO_CFG_GP1_AN_FAIL BIT(8) -#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6) -#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6) -#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6) -#define RAMIPS_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6) -#define RAMIPS_MDIO_CFG_TURBO_MII_FREQ BIT(5) -#define RAMIPS_MDIO_CFG_TURBO_MII_MODE BIT(4) -#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2) -#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2) -#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2) -#define RAMIPS_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2) -#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_0 0 -#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 1 -#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_400 2 -#define RAMIPS_MDIO_CFG_TX_CLK_SKEW_INV 3 - -/* uni-cast port */ -#define RAMIPS_GDM1_ICS_EN BIT(22) -#define RAMIPS_GDM1_TCS_EN BIT(21) -#define RAMIPS_GDM1_UCS_EN BIT(20) -#define RAMIPS_GDM1_JMB_EN BIT(19) -#define RAMIPS_GDM1_STRPCRC BIT(16) -#define RAMIPS_GDM1_UFRC_P_CPU (0 << 12) -#define RAMIPS_GDM1_UFRC_P_GDMA1 (1 << 12) -#define RAMIPS_GDM1_UFRC_P_PPE (6 << 12) - -/* checksums */ -#define RAMIPS_ICS_GEN_EN BIT(2) -#define RAMIPS_UCS_GEN_EN BIT(1) -#define RAMIPS_TCS_GEN_EN BIT(0) - -/* dma ring */ -#define RAMIPS_PST_DRX_IDX0 BIT(16) -#define RAMIPS_PST_DTX_IDX3 BIT(3) -#define RAMIPS_PST_DTX_IDX2 BIT(2) -#define RAMIPS_PST_DTX_IDX1 BIT(1) -#define RAMIPS_PST_DTX_IDX0 BIT(0) - -#define RAMIPS_TX_WB_DDONE BIT(6) -#define RAMIPS_RX_DMA_BUSY BIT(3) -#define RAMIPS_TX_DMA_BUSY BIT(1) -#define RAMIPS_RX_DMA_EN BIT(2) -#define RAMIPS_TX_DMA_EN BIT(0) - -#define RAMIPS_PDMA_SIZE_4DWORDS (0 << 4) -#define RAMIPS_PDMA_SIZE_8DWORDS (1 << 4) -#define RAMIPS_PDMA_SIZE_16DWORDS (2 << 4) - -#define RAMIPS_US_CYC_CNT_MASK 0xff -#define RAMIPS_US_CYC_CNT_SHIFT 0x8 -#define RAMIPS_US_CYC_CNT_DIVISOR 1000000 - -#define RX_DMA_PLEN0(_x) (((_x) >> 16) & 0x3fff) -#define RX_DMA_LSO BIT(30) -#define RX_DMA_DONE BIT(31) - -struct ramips_rx_dma { - unsigned int rxd1; - unsigned int rxd2; - unsigned int rxd3; - unsigned int rxd4; -} __packed __aligned(4); - -#define TX_DMA_PLEN0_MASK ((0x3fff) << 16) -#define TX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) -#define TX_DMA_LSO BIT(30) -#define TX_DMA_DONE BIT(31) -#define TX_DMA_QN(_x) ((_x) << 16) -#define TX_DMA_PN(_x) ((_x) << 24) -#define TX_DMA_QN_MASK TX_DMA_QN(0x7) -#define TX_DMA_PN_MASK TX_DMA_PN(0x7) - -struct ramips_tx_dma { - unsigned int txd1; - unsigned int txd2; - unsigned int txd3; - unsigned int txd4; -} __packed __aligned(4); - -struct raeth_tx_info { - struct ramips_tx_dma *tx_desc; - struct sk_buff *tx_skb; -}; - -struct raeth_rx_info { - struct ramips_rx_dma *rx_desc; - struct sk_buff *rx_skb; - dma_addr_t rx_dma; - unsigned int pad; -}; - -struct raeth_int_stats { - unsigned long rx_delayed; - unsigned long tx_delayed; - unsigned long rx_done0; - unsigned long tx_done0; - unsigned long tx_done1; - unsigned long tx_done2; - unsigned long tx_done3; - unsigned long rx_coherent; - unsigned long tx_coherent; - - unsigned long pse_fq_empty; - unsigned long pse_p0_fc; - unsigned long pse_p1_fc; - unsigned long pse_p2_fc; - unsigned long pse_buf_drop; - - unsigned long total; -}; - -struct raeth_debug { - struct dentry *debugfs_dir; - - struct raeth_int_stats int_stats; -}; - -struct raeth_priv -{ - struct raeth_rx_info *rx_info; - dma_addr_t rx_desc_dma; - struct tasklet_struct rx_tasklet; - struct ramips_rx_dma *rx; - - struct raeth_tx_info *tx_info; - dma_addr_t tx_desc_dma; - struct tasklet_struct tx_housekeeping_tasklet; - struct ramips_tx_dma *tx; - - unsigned int skb_free_idx; - - spinlock_t page_lock; - struct net_device *netdev; - struct device *parent; - struct ramips_eth_platform_data *plat; - - int link; - int speed; - int duplex; - int tx_fc; - int rx_fc; - - struct mii_bus *mii_bus; - int mii_irq[PHY_MAX_ADDR]; - struct phy_device *phy_dev; - spinlock_t phy_lock; - -#ifdef CONFIG_NET_RAMIPS_DEBUG_FS - struct raeth_debug debug; -#endif -}; - -#ifdef CONFIG_NET_RAMIPS_DEBUG_FS -int raeth_debugfs_root_init(void); -void raeth_debugfs_root_exit(void); -int raeth_debugfs_init(struct raeth_priv *re); -void raeth_debugfs_exit(struct raeth_priv *re); -void raeth_debugfs_update_int_stats(struct raeth_priv *re, u32 status); -#else -static inline int raeth_debugfs_root_init(void) { return 0; } -static inline void raeth_debugfs_root_exit(void) {} -static inline int raeth_debugfs_init(struct raeth_priv *re) { return 0; } -static inline void raeth_debugfs_exit(struct raeth_priv *re) {} -static inline void raeth_debugfs_update_int_stats(struct raeth_priv *re, - u32 status) {} -#endif /* CONFIG_NET_RAMIPS_DEBUG_FS */ - -#endif /* RAMIPS_ETH_H */ diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c deleted file mode 100644 index 267860ff0f..0000000000 --- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c +++ /dev/null @@ -1,1212 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2009 John Crispin <blogic@openwrt.org> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/dma-mapping.h> -#include <linux/init.h> -#include <linux/skbuff.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/platform_device.h> -#include <linux/phy.h> - -#include <ramips_eth_platform.h> -#include "ramips_eth.h" - -#define TX_TIMEOUT (20 * HZ / 100) -#define MAX_RX_LENGTH 1600 - -#ifdef CONFIG_RALINK_RT305X -#include <rt305x.h> -#include "ramips_esw.c" -#else -static inline int rt305x_esw_init(void) { return 0; } -static inline void rt305x_esw_exit(void) { } -static inline int soc_is_rt5350(void) { return 0; } -#endif - -#define phys_to_bus(a) (a & 0x1FFFFFFF) - -#ifdef CONFIG_NET_RAMIPS_DEBUG -#define RADEBUG(fmt, args...) printk(KERN_DEBUG fmt, ## args) -#else -#define RADEBUG(fmt, args...) do {} while (0) -#endif - -#define RX_DLY_INT ((soc_is_rt5350())?(RT5350_RX_DLY_INT):(RAMIPS_RX_DLY_INT)) -#define TX_DLY_INT ((soc_is_rt5350())?(RT5350_TX_DLY_INT):(RAMIPS_TX_DLY_INT)) - -enum raeth_reg { - RAETH_REG_PDMA_GLO_CFG = 0, - RAETH_REG_PDMA_RST_CFG, - RAETH_REG_DLY_INT_CFG, - RAETH_REG_TX_BASE_PTR0, - RAETH_REG_TX_MAX_CNT0, - RAETH_REG_TX_CTX_IDX0, - RAETH_REG_RX_BASE_PTR0, - RAETH_REG_RX_MAX_CNT0, - RAETH_REG_RX_CALC_IDX0, - RAETH_REG_FE_INT_ENABLE, - RAETH_REG_FE_INT_STATUS, - RAETH_REG_COUNT -}; - -static const u32 ramips_reg_table[RAETH_REG_COUNT] = { - [RAETH_REG_PDMA_GLO_CFG] = RAMIPS_PDMA_GLO_CFG, - [RAETH_REG_PDMA_RST_CFG] = RAMIPS_PDMA_RST_CFG, - [RAETH_REG_DLY_INT_CFG] = RAMIPS_DLY_INT_CFG, - [RAETH_REG_TX_BASE_PTR0] = RAMIPS_TX_BASE_PTR0, - [RAETH_REG_TX_MAX_CNT0] = RAMIPS_TX_MAX_CNT0, - [RAETH_REG_TX_CTX_IDX0] = RAMIPS_TX_CTX_IDX0, - [RAETH_REG_RX_BASE_PTR0] = RAMIPS_RX_BASE_PTR0, - [RAETH_REG_RX_MAX_CNT0] = RAMIPS_RX_MAX_CNT0, - [RAETH_REG_RX_CALC_IDX0] = RAMIPS_RX_CALC_IDX0, - [RAETH_REG_FE_INT_ENABLE] = RAMIPS_FE_INT_ENABLE, - [RAETH_REG_FE_INT_STATUS] = RAMIPS_FE_INT_STATUS, -}; - -static const u32 rt5350_reg_table[RAETH_REG_COUNT] = { - [RAETH_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG, - [RAETH_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG, - [RAETH_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG, - [RAETH_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0, - [RAETH_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0, - [RAETH_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0, - [RAETH_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0, - [RAETH_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0, - [RAETH_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0, - [RAETH_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE, - [RAETH_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS, -}; - -static struct net_device * ramips_dev; -static void __iomem *ramips_fe_base = 0; - -static inline u32 get_reg_offset(enum raeth_reg reg) -{ - const u32 *table; - - if (soc_is_rt5350()) - table = rt5350_reg_table; - else - table = ramips_reg_table; - - return table[reg]; -} - -static inline void -ramips_fe_wr(u32 val, unsigned reg) -{ - __raw_writel(val, ramips_fe_base + reg); -} - -static inline u32 -ramips_fe_rr(unsigned reg) -{ - return __raw_readl(ramips_fe_base + reg); -} - -static inline void -ramips_fe_twr(u32 val, enum raeth_reg reg) -{ - ramips_fe_wr(val, get_reg_offset(reg)); -} - -static inline u32 -ramips_fe_trr(enum raeth_reg reg) -{ - return ramips_fe_rr(get_reg_offset(reg)); -} - -static inline void -ramips_fe_int_disable(u32 mask) -{ - ramips_fe_twr(ramips_fe_trr(RAETH_REG_FE_INT_ENABLE) & ~mask, - RAETH_REG_FE_INT_ENABLE); - /* flush write */ - ramips_fe_trr(RAETH_REG_FE_INT_ENABLE); -} - -static inline void -ramips_fe_int_enable(u32 mask) -{ - ramips_fe_twr(ramips_fe_trr(RAETH_REG_FE_INT_ENABLE) | mask, - RAETH_REG_FE_INT_ENABLE); - /* flush write */ - ramips_fe_trr(RAETH_REG_FE_INT_ENABLE); -} - -static inline void -ramips_hw_set_macaddr(unsigned char *mac) -{ - if (soc_is_rt5350()) { - ramips_fe_wr((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH); - ramips_fe_wr((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], - RT5350_SDM_MAC_ADRL); - } else { - ramips_fe_wr((mac[0] << 8) | mac[1], RAMIPS_GDMA1_MAC_ADRH); - ramips_fe_wr((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5], - RAMIPS_GDMA1_MAC_ADRL); - } -} - -static struct sk_buff * -ramips_alloc_skb(struct raeth_priv *re) -{ - struct sk_buff *skb; - - skb = netdev_alloc_skb(re->netdev, MAX_RX_LENGTH + NET_IP_ALIGN); - if (!skb) - return NULL; - - skb_reserve(skb, NET_IP_ALIGN); - - return skb; -} - -static void -ramips_ring_setup(struct raeth_priv *re) -{ - int len; - int i; - - memset(re->tx_info, 0, NUM_TX_DESC * sizeof(struct raeth_tx_info)); - - len = NUM_TX_DESC * sizeof(struct ramips_tx_dma); - memset(re->tx, 0, len); - - for (i = 0; i < NUM_TX_DESC; i++) { - struct raeth_tx_info *txi; - struct ramips_tx_dma *txd; - - txd = &re->tx[i]; - txd->txd4 = TX_DMA_QN(3) | TX_DMA_PN(1); - txd->txd2 = TX_DMA_LSO | TX_DMA_DONE; - - txi = &re->tx_info[i]; - txi->tx_desc = txd; - if (txi->tx_skb != NULL) { - netdev_warn(re->netdev, - "dirty skb for TX desc %d\n", i); - txi->tx_skb = NULL; - } - } - - len = NUM_RX_DESC * sizeof(struct ramips_rx_dma); - memset(re->rx, 0, len); - - for (i = 0; i < NUM_RX_DESC; i++) { - struct raeth_rx_info *rxi; - struct ramips_rx_dma *rxd; - dma_addr_t dma_addr; - - rxd = &re->rx[i]; - rxi = &re->rx_info[i]; - BUG_ON(rxi->rx_skb == NULL); - dma_addr = dma_map_single(&re->netdev->dev, rxi->rx_skb->data, - MAX_RX_LENGTH, DMA_FROM_DEVICE); - rxi->rx_dma = dma_addr; - rxi->rx_desc = rxd; - - rxd->rxd1 = (unsigned int) dma_addr; - rxd->rxd2 = RX_DMA_LSO; - } - - /* flush descriptors */ - wmb(); -} - -static void -ramips_ring_cleanup(struct raeth_priv *re) -{ - int i; - - for (i = 0; i < NUM_RX_DESC; i++) { - struct raeth_rx_info *rxi; - - rxi = &re->rx_info[i]; - if (rxi->rx_skb) - dma_unmap_single(&re->netdev->dev, rxi->rx_dma, - MAX_RX_LENGTH, DMA_FROM_DEVICE); - } - - for (i = 0; i < NUM_TX_DESC; i++) { - struct raeth_tx_info *txi; - - txi = &re->tx_info[i]; - if (txi->tx_skb) { - dev_kfree_skb_any(txi->tx_skb); - txi->tx_skb = NULL; - } - } - - netdev_reset_queue(re->netdev); -} - -#if defined(CONFIG_RALINK_RT288X) || defined(CONFIG_RALINK_RT3883) - -#define RAMIPS_MDIO_RETRY 1000 - -static unsigned char *ramips_speed_str(struct raeth_priv *re) -{ - switch (re->speed) { - case SPEED_1000: - return "1000"; - case SPEED_100: - return "100"; - case SPEED_10: - return "10"; - } - - return "?"; -} - -static void ramips_link_adjust(struct raeth_priv *re) -{ - struct ramips_eth_platform_data *pdata; - u32 mdio_cfg; - - pdata = re->parent->platform_data; - if (!re->link) { - netif_carrier_off(re->netdev); - netdev_info(re->netdev, "link down\n"); - return; - } - - mdio_cfg = RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 | - RAMIPS_MDIO_CFG_TX_CLK_SKEW_200 | - RAMIPS_MDIO_CFG_GP1_FRC_EN; - - if (re->duplex == DUPLEX_FULL) - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_DUPLEX; - - if (re->tx_fc) - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_FC_TX; - - if (re->rx_fc) - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_FC_RX; - - switch (re->speed) { - case SPEED_10: - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_10; - break; - case SPEED_100: - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_100; - break; - case SPEED_1000: - mdio_cfg |= RAMIPS_MDIO_CFG_GP1_SPEED_1000; - break; - default: - BUG(); - } - - ramips_fe_wr(mdio_cfg, RAMIPS_MDIO_CFG); - - netif_carrier_on(re->netdev); - netdev_info(re->netdev, "link up (%sMbps/%s duplex)\n", - ramips_speed_str(re), - (DUPLEX_FULL == re->duplex) ? "Full" : "Half"); -} - -static int -ramips_mdio_wait_ready(struct raeth_priv *re) -{ - int retries; - - retries = RAMIPS_MDIO_RETRY; - while (1) { - u32 t; - - t = ramips_fe_rr(RAMIPS_MDIO_ACCESS); - if ((t & (0x1 << 31)) == 0) - return 0; - - if (retries-- == 0) - break; - - udelay(1); - } - - dev_err(re->parent, "MDIO operation timed out\n"); - return -ETIMEDOUT; -} - -static int -ramips_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -{ - struct raeth_priv *re = bus->priv; - int err; - u32 t; - - err = ramips_mdio_wait_ready(re); - if (err) - return 0xffff; - - t = (phy_addr << 24) | (phy_reg << 16); - ramips_fe_wr(t, RAMIPS_MDIO_ACCESS); - t |= (1 << 31); - ramips_fe_wr(t, RAMIPS_MDIO_ACCESS); - - err = ramips_mdio_wait_ready(re); - if (err) - return 0xffff; - - RADEBUG("%s: addr=%04x, reg=%04x, value=%04x\n", __func__, - phy_addr, phy_reg, ramips_fe_rr(RAMIPS_MDIO_ACCESS) & 0xffff); - - return ramips_fe_rr(RAMIPS_MDIO_ACCESS) & 0xffff; -} - -static int -ramips_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -{ - struct raeth_priv *re = bus->priv; - int err; - u32 t; - - RADEBUG("%s: addr=%04x, reg=%04x, value=%04x\n", __func__, - phy_addr, phy_reg, ramips_fe_rr(RAMIPS_MDIO_ACCESS) & 0xffff); - - err = ramips_mdio_wait_ready(re); - if (err) - return err; - - t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val; - ramips_fe_wr(t, RAMIPS_MDIO_ACCESS); - t |= (1 << 31); - ramips_fe_wr(t, RAMIPS_MDIO_ACCESS); - - return ramips_mdio_wait_ready(re); -} - -static int -ramips_mdio_reset(struct mii_bus *bus) -{ - /* TODO */ - return 0; -} - -static int -ramips_mdio_init(struct raeth_priv *re) -{ - int err; - int i; - - re->mii_bus = mdiobus_alloc(); - if (re->mii_bus == NULL) - return -ENOMEM; - - re->mii_bus->name = "ramips_mdio"; - re->mii_bus->read = ramips_mdio_read; - re->mii_bus->write = ramips_mdio_write; - re->mii_bus->reset = ramips_mdio_reset; - re->mii_bus->irq = re->mii_irq; - re->mii_bus->priv = re; - re->mii_bus->parent = re->parent; - - snprintf(re->mii_bus->id, MII_BUS_ID_SIZE, "%s", "ramips_mdio"); - re->mii_bus->phy_mask = 0; - - for (i = 0; i < PHY_MAX_ADDR; i++) - re->mii_irq[i] = PHY_POLL; - - err = mdiobus_register(re->mii_bus); - if (err) - goto err_free_bus; - - return 0; - -err_free_bus: - kfree(re->mii_bus); - return err; -} - -static void -ramips_mdio_cleanup(struct raeth_priv *re) -{ - mdiobus_unregister(re->mii_bus); - kfree(re->mii_bus); -} - -static void -ramips_phy_link_adjust(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - struct phy_device *phydev = re->phy_dev; - unsigned long flags; - int status_change = 0; - - spin_lock_irqsave(&re->phy_lock, flags); - - if (phydev->link) - if (re->duplex != phydev->duplex || - re->speed != phydev->speed) - status_change = 1; - - if (phydev->link != re->link) - status_change = 1; - - re->link = phydev->link; - re->duplex = phydev->duplex; - re->speed = phydev->speed; - - if (status_change) - ramips_link_adjust(re); - - spin_unlock_irqrestore(&re->phy_lock, flags); -} - -static int -ramips_phy_connect_multi(struct raeth_priv *re) -{ - struct net_device *netdev = re->netdev; - struct ramips_eth_platform_data *pdata; - struct phy_device *phydev = NULL; - int phy_addr; - int ret = 0; - - pdata = re->parent->platform_data; - for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { - if (!(pdata->phy_mask & (1 << phy_addr))) - continue; - - if (re->mii_bus->phy_map[phy_addr] == NULL) - continue; - - RADEBUG("%s: PHY found at %s, uid=%08x\n", - netdev->name, - dev_name(&re->mii_bus->phy_map[phy_addr]->dev), - re->mii_bus->phy_map[phy_addr]->phy_id); - - if (phydev == NULL) - phydev = re->mii_bus->phy_map[phy_addr]; - } - - if (!phydev) { - netdev_err(netdev, "no PHY found with phy_mask=%08x\n", - pdata->phy_mask); - return -ENODEV; - } - - re->phy_dev = phy_connect(netdev, dev_name(&phydev->dev), - ramips_phy_link_adjust, 0, - pdata->phy_if_mode); - - if (IS_ERR(re->phy_dev)) { - netdev_err(netdev, "could not connect to PHY at %s\n", - dev_name(&phydev->dev)); - return PTR_ERR(re->phy_dev); - } - - phydev->supported &= PHY_GBIT_FEATURES; - phydev->advertising = phydev->supported; - - RADEBUG("%s: connected to PHY at %s [uid=%08x, driver=%s]\n", - netdev->name, dev_name(&phydev->dev), - phydev->phy_id, phydev->drv->name); - - re->link = 0; - re->speed = 0; - re->duplex = -1; - re->rx_fc = 0; - re->tx_fc = 0; - - return ret; -} - -static int -ramips_phy_connect_fixed(struct raeth_priv *re) -{ - struct ramips_eth_platform_data *pdata; - - pdata = re->parent->platform_data; - switch (pdata->speed) { - case SPEED_10: - case SPEED_100: - case SPEED_1000: - break; - default: - netdev_err(re->netdev, "invalid speed specified\n"); - return -EINVAL; - } - - RADEBUG("%s: using fixed link parameters\n", re->netdev->name); - - re->speed = pdata->speed; - re->duplex = pdata->duplex; - re->tx_fc = pdata->tx_fc; - re->rx_fc = pdata->tx_fc; - - return 0; -} - -static int -ramips_phy_connect(struct raeth_priv *re) -{ - struct ramips_eth_platform_data *pdata; - - pdata = re->parent->platform_data; - if (pdata->phy_mask) - return ramips_phy_connect_multi(re); - - return ramips_phy_connect_fixed(re); -} - -static void -ramips_phy_disconnect(struct raeth_priv *re) -{ - if (re->phy_dev) - phy_disconnect(re->phy_dev); -} - -static void -ramips_phy_start(struct raeth_priv *re) -{ - unsigned long flags; - - if (re->phy_dev) { - phy_start(re->phy_dev); - } else { - spin_lock_irqsave(&re->phy_lock, flags); - re->link = 1; - ramips_link_adjust(re); - spin_unlock_irqrestore(&re->phy_lock, flags); - } -} - -static void -ramips_phy_stop(struct raeth_priv *re) -{ - unsigned long flags; - - if (re->phy_dev) - phy_stop(re->phy_dev); - - spin_lock_irqsave(&re->phy_lock, flags); - re->link = 0; - ramips_link_adjust(re); - spin_unlock_irqrestore(&re->phy_lock, flags); -} -#else -static inline int -ramips_mdio_init(struct raeth_priv *re) -{ - return 0; -} - -static inline void -ramips_mdio_cleanup(struct raeth_priv *re) -{ -} - -static inline int -ramips_phy_connect(struct raeth_priv *re) -{ - return 0; -} - -static inline void -ramips_phy_disconnect(struct raeth_priv *re) -{ -} - -static inline void -ramips_phy_start(struct raeth_priv *re) -{ -} - -static inline void -ramips_phy_stop(struct raeth_priv *re) -{ -} -#endif /* CONFIG_RALINK_RT288X || CONFIG_RALINK_RT3883 */ - -static void -ramips_ring_free(struct raeth_priv *re) -{ - int len; - int i; - - if (re->rx_info) { - for (i = 0; i < NUM_RX_DESC; i++) { - struct raeth_rx_info *rxi; - - rxi = &re->rx_info[i]; - if (rxi->rx_skb) - dev_kfree_skb_any(rxi->rx_skb); - } - kfree(re->rx_info); - } - - if (re->rx) { - len = NUM_RX_DESC * sizeof(struct ramips_rx_dma); - dma_free_coherent(&re->netdev->dev, len, re->rx, - re->rx_desc_dma); - } - - if (re->tx) { - len = NUM_TX_DESC * sizeof(struct ramips_tx_dma); - dma_free_coherent(&re->netdev->dev, len, re->tx, - re->tx_desc_dma); - } - - kfree(re->tx_info); -} - -static int -ramips_ring_alloc(struct raeth_priv *re) -{ - int len; - int err = -ENOMEM; - int i; - - re->tx_info = kzalloc(NUM_TX_DESC * sizeof(struct raeth_tx_info), - GFP_ATOMIC); - if (!re->tx_info) - goto err_cleanup; - - re->rx_info = kzalloc(NUM_RX_DESC * sizeof(struct raeth_rx_info), - GFP_ATOMIC); - if (!re->rx_info) - goto err_cleanup; - - /* allocate tx ring */ - len = NUM_TX_DESC * sizeof(struct ramips_tx_dma); - re->tx = dma_alloc_coherent(&re->netdev->dev, len, - &re->tx_desc_dma, GFP_ATOMIC); - if (!re->tx) - goto err_cleanup; - - /* allocate rx ring */ - len = NUM_RX_DESC * sizeof(struct ramips_rx_dma); - re->rx = dma_alloc_coherent(&re->netdev->dev, len, - &re->rx_desc_dma, GFP_ATOMIC); - if (!re->rx) - goto err_cleanup; - - for (i = 0; i < NUM_RX_DESC; i++) { - struct sk_buff *skb; - - skb = ramips_alloc_skb(re); - if (!skb) - goto err_cleanup; - - re->rx_info[i].rx_skb = skb; - } - - return 0; - -err_cleanup: - ramips_ring_free(re); - return err; -} - -static void -ramips_setup_dma(struct raeth_priv *re) -{ - ramips_fe_twr(re->tx_desc_dma, RAETH_REG_TX_BASE_PTR0); - ramips_fe_twr(NUM_TX_DESC, RAETH_REG_TX_MAX_CNT0); - ramips_fe_twr(0, RAETH_REG_TX_CTX_IDX0); - ramips_fe_twr(RAMIPS_PST_DTX_IDX0, RAETH_REG_PDMA_RST_CFG); - - ramips_fe_twr(re->rx_desc_dma, RAETH_REG_RX_BASE_PTR0); - ramips_fe_twr(NUM_RX_DESC, RAETH_REG_RX_MAX_CNT0); - ramips_fe_twr((NUM_RX_DESC - 1), RAETH_REG_RX_CALC_IDX0); - ramips_fe_twr(RAMIPS_PST_DRX_IDX0, RAETH_REG_PDMA_RST_CFG); -} - -static int -ramips_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - struct raeth_tx_info *txi, *txi_next; - struct ramips_tx_dma *txd, *txd_next; - unsigned long tx; - unsigned int tx_next; - dma_addr_t mapped_addr; - - if (re->plat->min_pkt_len) { - if (skb->len < re->plat->min_pkt_len) { - if (skb_padto(skb, re->plat->min_pkt_len)) { - printk(KERN_ERR - "ramips_eth: skb_padto failed\n"); - kfree_skb(skb); - return 0; - } - skb_put(skb, re->plat->min_pkt_len - skb->len); - } - } - - dev->trans_start = jiffies; - mapped_addr = dma_map_single(&re->netdev->dev, skb->data, skb->len, - DMA_TO_DEVICE); - - spin_lock(&re->page_lock); - tx = ramips_fe_trr(RAETH_REG_TX_CTX_IDX0); - tx_next = (tx + 1) % NUM_TX_DESC; - - txi = &re->tx_info[tx]; - txd = txi->tx_desc; - txi_next = &re->tx_info[tx_next]; - txd_next = txi_next->tx_desc; - - if ((txi->tx_skb) || (txi_next->tx_skb) || - !(txd->txd2 & TX_DMA_DONE) || - !(txd_next->txd2 & TX_DMA_DONE)) - goto out; - - txi->tx_skb = skb; - - txd->txd1 = (unsigned int) mapped_addr; - wmb(); - txd->txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len); - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - ramips_fe_twr(tx_next, RAETH_REG_TX_CTX_IDX0); - netdev_sent_queue(dev, skb->len); - spin_unlock(&re->page_lock); - return NETDEV_TX_OK; - - out: - spin_unlock(&re->page_lock); - dev->stats.tx_dropped++; - kfree_skb(skb); - return NETDEV_TX_OK; -} - -static void -ramips_eth_rx_hw(unsigned long ptr) -{ - struct net_device *dev = (struct net_device *) ptr; - struct raeth_priv *re = netdev_priv(dev); - int rx; - int max_rx = 16; - - rx = ramips_fe_trr(RAETH_REG_RX_CALC_IDX0); - - while (max_rx) { - struct raeth_rx_info *rxi; - struct ramips_rx_dma *rxd; - struct sk_buff *rx_skb, *new_skb; - int pktlen; - - rx = (rx + 1) % NUM_RX_DESC; - - rxi = &re->rx_info[rx]; - rxd = rxi->rx_desc; - if (!(rxd->rxd2 & RX_DMA_DONE)) - break; - - rx_skb = rxi->rx_skb; - pktlen = RX_DMA_PLEN0(rxd->rxd2); - - new_skb = ramips_alloc_skb(re); - /* Reuse the buffer on allocation failures */ - if (new_skb) { - dma_addr_t dma_addr; - - dma_unmap_single(&re->netdev->dev, rxi->rx_dma, - MAX_RX_LENGTH, DMA_FROM_DEVICE); - - skb_put(rx_skb, pktlen); - rx_skb->dev = dev; - rx_skb->protocol = eth_type_trans(rx_skb, dev); - rx_skb->ip_summed = CHECKSUM_NONE; - dev->stats.rx_packets++; - dev->stats.rx_bytes += pktlen; - netif_rx(rx_skb); - - rxi->rx_skb = new_skb; - - dma_addr = dma_map_single(&re->netdev->dev, - new_skb->data, - MAX_RX_LENGTH, - DMA_FROM_DEVICE); - rxi->rx_dma = dma_addr; - rxd->rxd1 = (unsigned int) dma_addr; - wmb(); - } else { - dev->stats.rx_dropped++; - } - - rxd->rxd2 = RX_DMA_LSO; - ramips_fe_twr(rx, RAETH_REG_RX_CALC_IDX0); - max_rx--; - } - - if (max_rx == 0) - tasklet_schedule(&re->rx_tasklet); - else - ramips_fe_int_enable(RX_DLY_INT); -} - -static void -ramips_eth_tx_housekeeping(unsigned long ptr) -{ - struct net_device *dev = (struct net_device*)ptr; - struct raeth_priv *re = netdev_priv(dev); - unsigned int bytes_compl = 0, pkts_compl = 0; - - spin_lock(&re->page_lock); - while (1) { - struct raeth_tx_info *txi; - struct ramips_tx_dma *txd; - - txi = &re->tx_info[re->skb_free_idx]; - txd = txi->tx_desc; - - if (!(txd->txd2 & TX_DMA_DONE) || !(txi->tx_skb)) - break; - - pkts_compl++; - bytes_compl += txi->tx_skb->len; - - dev_kfree_skb_irq(txi->tx_skb); - txi->tx_skb = NULL; - re->skb_free_idx++; - if (re->skb_free_idx >= NUM_TX_DESC) - re->skb_free_idx = 0; - } - netdev_completed_queue(dev, pkts_compl, bytes_compl); - spin_unlock(&re->page_lock); - - ramips_fe_int_enable(TX_DLY_INT); -} - -static void -ramips_eth_timeout(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - - tasklet_schedule(&re->tx_housekeeping_tasklet); -} - -static irqreturn_t -ramips_eth_irq(int irq, void *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - unsigned int status; - - status = ramips_fe_trr(RAETH_REG_FE_INT_STATUS); - status &= ramips_fe_trr(RAETH_REG_FE_INT_ENABLE); - - if (!status) - return IRQ_NONE; - - ramips_fe_twr(status, RAETH_REG_FE_INT_STATUS); - - if (status & RX_DLY_INT) { - ramips_fe_int_disable(RX_DLY_INT); - tasklet_schedule(&re->rx_tasklet); - } - - if (status & TX_DLY_INT) { - ramips_fe_int_disable(TX_DLY_INT); - tasklet_schedule(&re->tx_housekeeping_tasklet); - } - - raeth_debugfs_update_int_stats(re, status); - - return IRQ_HANDLED; -} - -static int -ramips_eth_hw_init(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - int err; - - err = request_irq(dev->irq, ramips_eth_irq, IRQF_DISABLED, - dev->name, dev); - if (err) - return err; - - err = ramips_ring_alloc(re); - if (err) - goto err_free_irq; - - ramips_ring_setup(re); - ramips_hw_set_macaddr(dev->dev_addr); - - ramips_setup_dma(re); - ramips_fe_wr((ramips_fe_rr(RAMIPS_FE_GLO_CFG) & - ~(RAMIPS_US_CYC_CNT_MASK << RAMIPS_US_CYC_CNT_SHIFT)) | - ((re->plat->sys_freq / RAMIPS_US_CYC_CNT_DIVISOR) << RAMIPS_US_CYC_CNT_SHIFT), - RAMIPS_FE_GLO_CFG); - - tasklet_init(&re->tx_housekeeping_tasklet, ramips_eth_tx_housekeeping, - (unsigned long)dev); - tasklet_init(&re->rx_tasklet, ramips_eth_rx_hw, (unsigned long)dev); - - - ramips_fe_twr(RAMIPS_DELAY_INIT, RAETH_REG_DLY_INT_CFG); - ramips_fe_twr(TX_DLY_INT | RX_DLY_INT, RAETH_REG_FE_INT_ENABLE); - if (soc_is_rt5350()) { - ramips_fe_wr(ramips_fe_rr(RT5350_SDM_CFG) & - ~(RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN | 0xffff), - RT5350_SDM_CFG); - } else { - ramips_fe_wr(ramips_fe_rr(RAMIPS_GDMA1_FWD_CFG) & - ~(RAMIPS_GDM1_ICS_EN | RAMIPS_GDM1_TCS_EN | RAMIPS_GDM1_UCS_EN | 0xffff), - RAMIPS_GDMA1_FWD_CFG); - ramips_fe_wr(ramips_fe_rr(RAMIPS_CDMA_CSG_CFG) & - ~(RAMIPS_ICS_GEN_EN | RAMIPS_TCS_GEN_EN | RAMIPS_UCS_GEN_EN), - RAMIPS_CDMA_CSG_CFG); - ramips_fe_wr(RAMIPS_PSE_FQFC_CFG_INIT, RAMIPS_PSE_FQ_CFG); - } - ramips_fe_wr(1, RAMIPS_FE_RST_GL); - ramips_fe_wr(0, RAMIPS_FE_RST_GL); - - return 0; - -err_free_irq: - free_irq(dev->irq, dev); - return err; -} - -static int -ramips_eth_open(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - - ramips_fe_twr((ramips_fe_trr(RAETH_REG_PDMA_GLO_CFG) & 0xff) | - (RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | - RAMIPS_TX_DMA_EN | RAMIPS_PDMA_SIZE_4DWORDS), - RAETH_REG_PDMA_GLO_CFG); - ramips_phy_start(re); - netif_start_queue(dev); - return 0; -} - -static int -ramips_eth_stop(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - - ramips_fe_twr(ramips_fe_trr(RAETH_REG_PDMA_GLO_CFG) & - ~(RAMIPS_TX_WB_DDONE | RAMIPS_RX_DMA_EN | RAMIPS_TX_DMA_EN), - RAETH_REG_PDMA_GLO_CFG); - - netif_stop_queue(dev); - ramips_phy_stop(re); - RADEBUG("ramips_eth: stopped\n"); - return 0; -} - -static int __init -ramips_eth_probe(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - int err; - - BUG_ON(!re->plat->reset_fe); - re->plat->reset_fe(); - net_srandom(jiffies); - memcpy(dev->dev_addr, re->plat->mac, ETH_ALEN); - - ether_setup(dev); - dev->mtu = 1500; - dev->watchdog_timeo = TX_TIMEOUT; - spin_lock_init(&re->page_lock); - spin_lock_init(&re->phy_lock); - - err = ramips_mdio_init(re); - if (err) - return err; - - err = ramips_phy_connect(re); - if (err) - goto err_mdio_cleanup; - - err = raeth_debugfs_init(re); - if (err) - goto err_phy_disconnect; - - err = ramips_eth_hw_init(dev); - if (err) - goto err_debugfs; - - return 0; - -err_debugfs: - raeth_debugfs_exit(re); -err_phy_disconnect: - ramips_phy_disconnect(re); -err_mdio_cleanup: - ramips_mdio_cleanup(re); - return err; -} - -static void -ramips_eth_uninit(struct net_device *dev) -{ - struct raeth_priv *re = netdev_priv(dev); - - raeth_debugfs_exit(re); - ramips_phy_disconnect(re); - ramips_mdio_cleanup(re); - ramips_fe_twr(0, RAETH_REG_FE_INT_ENABLE); - free_irq(dev->irq, dev); - tasklet_kill(&re->tx_housekeeping_tasklet); - tasklet_kill(&re->rx_tasklet); - ramips_ring_cleanup(re); - ramips_ring_free(re); -} - -static const struct net_device_ops ramips_eth_netdev_ops = { - .ndo_init = ramips_eth_probe, - .ndo_uninit = ramips_eth_uninit, - .ndo_open = ramips_eth_open, - .ndo_stop = ramips_eth_stop, - .ndo_start_xmit = ramips_eth_hard_start_xmit, - .ndo_tx_timeout = ramips_eth_timeout, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int -ramips_eth_plat_probe(struct platform_device *plat) -{ - struct raeth_priv *re; - struct ramips_eth_platform_data *data = plat->dev.platform_data; - struct resource *res; - int err; - - if (!data) { - dev_err(&plat->dev, "no platform data specified\n"); - return -EINVAL; - } - - res = platform_get_resource(plat, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&plat->dev, "no memory resource found\n"); - return -ENXIO; - } - - ramips_fe_base = ioremap_nocache(res->start, res->end - res->start + 1); - if (!ramips_fe_base) - return -ENOMEM; - - ramips_dev = alloc_etherdev(sizeof(struct raeth_priv)); - if (!ramips_dev) { - dev_err(&plat->dev, "alloc_etherdev failed\n"); - err = -ENOMEM; - goto err_unmap; - } - - strcpy(ramips_dev->name, "eth%d"); - ramips_dev->irq = platform_get_irq(plat, 0); - if (ramips_dev->irq < 0) { - dev_err(&plat->dev, "no IRQ resource found\n"); - err = -ENXIO; - goto err_free_dev; - } - ramips_dev->addr_len = ETH_ALEN; - ramips_dev->base_addr = (unsigned long)ramips_fe_base; - ramips_dev->netdev_ops = &ramips_eth_netdev_ops; - - re = netdev_priv(ramips_dev); - - re->netdev = ramips_dev; - re->parent = &plat->dev; - re->speed = data->speed; - re->duplex = data->duplex; - re->rx_fc = data->rx_fc; - re->tx_fc = data->tx_fc; - re->plat = data; - - err = register_netdev(ramips_dev); - if (err) { - dev_err(&plat->dev, "error bringing up device\n"); - goto err_free_dev; - } - - RADEBUG("ramips_eth: loaded\n"); - return 0; - - err_free_dev: - kfree(ramips_dev); - err_unmap: - iounmap(ramips_fe_base); - return err; -} - -static int -ramips_eth_plat_remove(struct platform_device *plat) -{ - unregister_netdev(ramips_dev); - free_netdev(ramips_dev); - RADEBUG("ramips_eth: unloaded\n"); - return 0; -} - -static struct platform_driver ramips_eth_driver = { - .probe = ramips_eth_plat_probe, - .remove = ramips_eth_plat_remove, - .driver = { - .name = "ramips_eth", - .owner = THIS_MODULE, - }, -}; - -static int __init -ramips_eth_init(void) -{ - int ret; - - ret = raeth_debugfs_root_init(); - if (ret) - goto err_out; - - ret = rt305x_esw_init(); - if (ret) - goto err_debugfs_exit; - - ret = platform_driver_register(&ramips_eth_driver); - if (ret) { - printk(KERN_ERR - "ramips_eth: Error registering platfom driver!\n"); - goto esw_cleanup; - } - - return 0; - -esw_cleanup: - rt305x_esw_exit(); -err_debugfs_exit: - raeth_debugfs_root_exit(); -err_out: - return ret; -} - -static void __exit -ramips_eth_cleanup(void) -{ - platform_driver_unregister(&ramips_eth_driver); - rt305x_esw_exit(); - raeth_debugfs_root_exit(); -} - -module_init(ramips_eth_init); -module_exit(ramips_eth_cleanup); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_DESCRIPTION("ethernet driver for ramips boards"); |