[adm5120] fix hardware byte swapping to work in little endian mode as well

[openwrt.git] / target / linux / adm5120-2.6 / files / drivers / net / adm5120sw.c

diff --git a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
index 935016c..dfc030e 100644 (file)
--- a/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
+++ b/target/linux/adm5120-2.6/files/drivers/net/adm5120sw.c
@@ -3,7 +3,7 @@
  *
  *     Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
  *
- *     Inspiration for this driver came from the original ADMtek 2.4 
+ *     Inspiration for this driver came from the original ADMtek 2.4
  *     driver, Copyright ADMtek Inc.
  */
 #include <linux/autoconf.h>
@@ -20,6 +20,9 @@
 #include <asm/io.h>
 #include "adm5120sw.h"
 
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_irq.h>
+
 MODULE_AUTHOR("Jeroen Vreeken (pe1rxq@amsat.org)");
 MODULE_DESCRIPTION("ADM5120 ethernet switch driver");
 MODULE_LICENSE("GPL");
@@ -27,7 +30,7 @@ MODULE_LICENSE("GPL");
 /*
  *     The ADM5120 uses an internal matrix to determine which ports
  *     belong to which VLAN.
- *     The default generates a VLAN (and device) for each port 
+ *     The default generates a VLAN (and device) for each port
  *     (including MII port) and the CPU port is part of all of them.
  *
  *     Another example, one big switch and everything mapped to eth0:
@@ -37,10 +40,15 @@ static unsigned char vlan_matrix[SW_DEVS] = {
        0x41, 0x42, 0x44, 0x48, 0x50, 0x60
 };
 
+/* default settings - unlimited TX and RX on all ports, default shaper mode */ 
+static unsigned char bw_matrix[SW_DEVS] = {
+       0, 0, 0, 0, 0, 0        
+};
+
 static int adm5120_nrdevs;
 
 static struct net_device *adm5120_devs[SW_DEVS];
-static struct adm5120_dma 
+static struct adm5120_dma
     adm5120_dma_txh_v[ADM5120_DMA_TXH] __attribute__((aligned(16))),
     adm5120_dma_txl_v[ADM5120_DMA_TXL] __attribute__((aligned(16))),
     adm5120_dma_rxh_v[ADM5120_DMA_RXH] __attribute__((aligned(16))),
@@ -157,7 +165,7 @@ static inline void adm5120_tx(struct adm5120_dma *dma, struct sk_buff **skbl,
        }
 }
 
-irqreturn_t adm5120_sw_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t adm5120_sw_irq(int irq, void *dev_id)
 {
        unsigned long intreg;
 
@@ -202,6 +210,26 @@ static void adm5120_set_vlan(char *matrix)
        adm5120_set_reg(ADM5120_VLAN_GII, val);
 }
 
+static void adm5120_set_bw(char *matrix)
+{
+       unsigned long val;
+
+       /* Port 0 to 3 are set using the bandwidth control 0 register */
+       val = matrix[0] + (matrix[1]<<8) + (matrix[2]<<16) + (matrix[3]<<24);
+       adm5120_set_reg(ADM5120_BW_CTL0, val);
+
+       /* Port 4 and 5 are set using the bandwidth control 1 register */
+       val = matrix[4];
+       if (matrix[5] == 1)
+               adm5120_set_reg(ADM5120_BW_CTL1, val | 0x80000000);
+       else
+               adm5120_set_reg(ADM5120_BW_CTL1, val & ~0x8000000);
+
+       printk(KERN_DEBUG "D: ctl0 0x%x, ctl1 0x%x\n",
+               adm5120_get_reg(ADM5120_BW_CTL0),
+               adm5120_get_reg(ADM5120_BW_CTL1));
+}
+
 static int adm5120_sw_open(struct net_device *dev)
 {
        if (!adm5120_if_open++)
@@ -316,7 +344,7 @@ static int adm5120_sw_set_mac_address(struct net_device *dev, void *p)
 static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
        int err;
-       struct adm5120_info info;
+       struct adm5120_sw_info info;
        struct adm5120_sw *priv = netdev_priv(dev);
 
        switch(cmd) {
@@ -343,6 +371,19 @@ static int adm5120_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
                        if (err)
                                return -EFAULT;
                        break;
+               case SIOCGETBW:
+                       err = copy_to_user(rq->ifr_data, bw_matrix, sizeof(bw_matrix));
+                       if (err) 
+                               return -EFAULT; 
+                       break; 
+               case SIOCSETBW:
+                       if (!capable(CAP_NET_ADMIN)) 
+                               return -EPERM;
+                       err = copy_from_user(bw_matrix, rq->ifr_data, sizeof(bw_matrix));
+                       if (err) 
+                               return -EFAULT;
+                       adm5120_set_bw(bw_matrix);
+                       break; 
                default:
                        return -EOPNOTSUPP;
        }
@@ -383,15 +424,13 @@ static int __init adm5120_sw_init(void)
        int i, err;
        struct net_device *dev;
 
-       err = request_irq(SW_IRQ, adm5120_sw_irq, 0, "ethernet switch", NULL);
+       err = request_irq(ADM5120_IRQ_SWITCH, adm5120_sw_irq, 0, "ethernet switch", NULL);
        if (err)
                goto out;
 
-       /* MII port? */
-       if (adm5120_get_reg(ADM5120_CODE) & ADM5120_CODE_PQFP)
+       adm5120_nrdevs = adm5120_board.iface_num;
+       if (adm5120_nrdevs > 5 && !adm5120_has_gmii())
                adm5120_nrdevs = 5;
-       else
-               adm5120_nrdevs = 6;
 
        adm5120_set_reg(ADM5120_CPUP_CONF,
            ADM5120_DISCCPUPORT | ADM5120_CRC_PADDING |
@@ -421,20 +460,20 @@ static int __init adm5120_sw_init(void)
        adm5120_set_reg(ADM5120_RECEIVE_LBADDR, KSEG1ADDR(adm5120_dma_rxl));
 
        adm5120_set_vlan(vlan_matrix);
-       
+
        for (i=0; i<adm5120_nrdevs; i++) {
                adm5120_devs[i] = alloc_etherdev(sizeof(struct adm5120_sw));
                if (!adm5120_devs[i]) {
                        err = -ENOMEM;
                        goto out_int;
                }
-               
+
                dev = adm5120_devs[i];
                SET_MODULE_OWNER(dev);
                memset(netdev_priv(dev), 0, sizeof(struct adm5120_sw));
                ((struct adm5120_sw*)netdev_priv(dev))->port = i;
                dev->base_addr = SW_BASE;
-               dev->irq = SW_IRQ;
+               dev->irq = ADM5120_IRQ_SWITCH;
                dev->open = adm5120_sw_open;
                dev->hard_start_xmit = adm5120_sw_tx;
                dev->stop = adm5120_sw_stop;
@@ -451,7 +490,7 @@ static int __init adm5120_sw_init(void)
                memcpy(dev->dev_addr, "\x00\x50\xfc\x11\x22\x01", 6);
                dev->dev_addr[5] += i;
                adm5120_write_mac(dev);
-               
+
                if ((err = register_netdev(dev))) {
                        free_netdev(dev);
                        goto out_int;
@@ -469,7 +508,7 @@ out_int:
                unregister_netdev(adm5120_devs[i-1]);
                free_netdev(adm5120_devs[i-1]);
        }
-       free_irq(SW_IRQ, NULL);
+       free_irq(ADM5120_IRQ_SWITCH, NULL);
 out:
        printk(KERN_ERR "ADM5120 Ethernet switch init failed\n");
        return err;
@@ -484,7 +523,7 @@ static void __exit adm5120_sw_exit(void)
                free_netdev(adm5120_devs[i-1]);
        }
 
-       free_irq(SW_IRQ, NULL);
+       free_irq(ADM5120_IRQ_SWITCH, NULL);
 
        for (i = 0; i < ADM5120_DMA_RXH; i++) {
                if (!adm5120_skb_rxh[i])