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net: dsa: mv88e6060: replace magic values with register defines

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To align with the mv88e6xxx code, use the register defines to
access all the register addresses and bit fields.

Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Armstrong 2015-11-10 16:51:36 +01:00 committed by David S. Miller
parent f7e3931181
commit 6a4b2980d1
1 changed files with 37 additions and 27 deletions
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64
drivers/net/dsa/mv88e6060.c
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@ -15,9 +15,7 @@
#include <linux/netdevice.h>
#include <linux/phy.h>
#include <net/dsa.h>
#define REG_PORT(p) (8 + (p))
#define REG_GLOBAL 0x0f
#include "mv88e6060.h"
static int reg_read(struct dsa_switch *ds, int addr, int reg)
{
@ -67,13 +65,14 @@ static char *mv88e6060_probe(struct device *host_dev, int sw_addr)
if (bus == NULL)
return NULL;
ret = mdiobus_read(bus, sw_addr + REG_PORT(0), 0x03);
ret = mdiobus_read(bus, sw_addr + REG_PORT(0), PORT_SWITCH_ID);
if (ret >= 0) {
if (ret == 0x0600)
if (ret == PORT_SWITCH_ID_6060)
return "Marvell 88E6060 (A0)";
if (ret == 0x0601 || ret == 0x0602)
if (ret == PORT_SWITCH_ID_6060_R1 ||
ret == PORT_SWITCH_ID_6060_R2)
return "Marvell 88E6060 (B0)";
if ((ret & 0xfff0) == 0x0600)
if ((ret & PORT_SWITCH_ID_6060_MASK) == PORT_SWITCH_ID_6060)
return "Marvell 88E6060";
}
@ -87,22 +86,26 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
unsigned long timeout;
/* Set all ports to the disabled state. */
for (i = 0; i < 6; i++) {
ret = REG_READ(REG_PORT(i), 0x04);
REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
for (i = 0; i < MV88E6060_PORTS; i++) {
ret = REG_READ(REG_PORT(i), PORT_CONTROL);
REG_WRITE(REG_PORT(i), PORT_CONTROL,
ret & ~PORT_CONTROL_STATE_MASK);
}
/* Wait for transmit queues to drain. */
usleep_range(2000, 4000);
/* Reset the switch. */
REG_WRITE(REG_GLOBAL, 0x0a, 0xa130);
REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,
GLOBAL_ATU_CONTROL_SWRESET |
GLOBAL_ATU_CONTROL_ATUSIZE_1024 |
GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);
/* Wait up to one second for reset to complete. */
timeout = jiffies + 1 * HZ;
while (time_before(jiffies, timeout)) {
ret = REG_READ(REG_GLOBAL, 0x00);
if (ret & 0x800)
ret = REG_READ(REG_GLOBAL, GLOBAL_STATUS);
if (ret & GLOBAL_STATUS_INIT_READY)
break;
usleep_range(1000, 2000);
@ -119,13 +122,15 @@ static int mv88e6060_setup_global(struct dsa_switch *ds)
* set the maximum frame size to 1536 bytes, and mask all
* interrupt sources.
*/
REG_WRITE(REG_GLOBAL, 0x04, 0x400);
REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, GLOBAL_CONTROL_MAX_FRAME_1536);
/* Enable automatic address learning, set the address
* database size to 1024 entries, and set the default aging
* time to 5 minutes.
*/
REG_WRITE(REG_GLOBAL, 0x0a, 0x2130);
REG_WRITE(REG_GLOBAL, GLOBAL_ATU_CONTROL,
GLOBAL_ATU_CONTROL_ATUSIZE_1024 |
GLOBAL_ATU_CONTROL_ATE_AGE_5MIN);
return 0;
}
@ -139,25 +144,30 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p)
* state to Forwarding. Additionally, if this is the CPU
* port, enable Ingress and Egress Trailer tagging mode.
*/
REG_WRITE(addr, 0x04, dsa_is_cpu_port(ds, p) ? 0x4103 : 0x0003);
REG_WRITE(addr, PORT_CONTROL,
dsa_is_cpu_port(ds, p) ?
PORT_CONTROL_TRAILER |
PORT_CONTROL_INGRESS_MODE |
PORT_CONTROL_STATE_FORWARDING :
PORT_CONTROL_STATE_FORWARDING);
/* Port based VLAN map: give each port its own address
* database, allow the CPU port to talk to each of the 'real'
* ports, and allow each of the 'real' ports to only talk to
* the CPU port.
*/
REG_WRITE(addr, 0x06,
((p & 0xf) << 12) |
(dsa_is_cpu_port(ds, p) ?
ds->phys_port_mask :
(1 << ds->dst->cpu_port)));
REG_WRITE(addr, PORT_VLAN_MAP,
((p & 0xf) << PORT_VLAN_MAP_DBNUM_SHIFT) |
(dsa_is_cpu_port(ds, p) ?
ds->phys_port_mask :
BIT(ds->dst->cpu_port)));
/* Port Association Vector: when learning source addresses
* of packets, add the address to the address database using
* a port bitmap that has only the bit for this port set and
* the other bits clear.
*/
REG_WRITE(addr, 0x0b, 1 << p);
REG_WRITE(addr, PORT_ASSOC_VECTOR, BIT(p));
return 0;
}
@ -177,7 +187,7 @@ static int mv88e6060_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;
for (i = 0; i < 6; i++) {
for (i = 0; i < MV88E6060_PORTS; i++) {
ret = mv88e6060_setup_port(ds, i);
if (ret < 0)
return ret;
@ -189,16 +199,16 @@ static int mv88e6060_setup(struct dsa_switch *ds)
static int mv88e6060_set_addr(struct dsa_switch *ds, u8 *addr)
{
/* Use the same MAC Address as FD Pause frames for all ports */
REG_WRITE(REG_GLOBAL, 0x01, (addr[0] << 9) | addr[1]);
REG_WRITE(REG_GLOBAL, 0x02, (addr[2] << 8) | addr[3]);
REG_WRITE(REG_GLOBAL, 0x03, (addr[4] << 8) | addr[5]);
REG_WRITE(REG_GLOBAL, GLOBAL_MAC_01, (addr[0] << 9) | addr[1]);
REG_WRITE(REG_GLOBAL, GLOBAL_MAC_23, (addr[2] << 8) | addr[3]);
REG_WRITE(REG_GLOBAL, GLOBAL_MAC_45, (addr[4] << 8) | addr[5]);
return 0;
}
static int mv88e6060_port_to_phy_addr(int port)
{
if (port >= 0 && port <= 5)
if (port >= 0 && port < MV88E6060_PORTS)
return port;
return -1;
}