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path: root/drivers/net/fs_enet/mac-scc.c
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Diffstat (limited to 'drivers/net/fs_enet/mac-scc.c')
-rw-r--r--drivers/net/fs_enet/mac-scc.c110
1 files changed, 66 insertions, 44 deletions
diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c
index 7540966687e..03134f47a4e 100644
--- a/drivers/net/fs_enet/mac-scc.c
+++ b/drivers/net/fs_enet/mac-scc.c
@@ -1,14 +1,14 @@
/*
* Ethernet on Serial Communications Controller (SCC) driver for Motorola MPC8xx and MPC82xx.
*
- * Copyright (c) 2003 Intracom S.A.
+ * Copyright (c) 2003 Intracom S.A.
* by Pantelis Antoniou <panto@intracom.gr>
- *
- * 2005 (c) MontaVista Software, Inc.
+ *
+ * 2005 (c) MontaVista Software, Inc.
* Vitaly Bordug <vbordug@ru.mvista.com>
*
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
@@ -43,6 +43,10 @@
#include <asm/commproc.h>
#endif
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+#include <asm/of_platform.h>
+#endif
+
#include "fs_enet.h"
/*************************************************/
@@ -82,34 +86,45 @@
#define SCC_MAX_MULTICAST_ADDRS 64
/*
- * Delay to wait for SCC reset command to complete (in us)
+ * Delay to wait for SCC reset command to complete (in us)
*/
#define SCC_RESET_DELAY 50
#define MAX_CR_CMD_LOOPS 10000
static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op)
{
- cpm8xx_t *cpmp = &((immap_t *)fs_enet_immap)->im_cpm;
- u32 v, ch;
- int i = 0;
+ const struct fs_platform_info *fpi = fep->fpi;
+ int i;
- ch = fep->scc.idx << 2;
- v = mk_cr_cmd(ch, op);
- W16(cpmp, cp_cpcr, v | CPM_CR_FLG);
+ W16(cpmp, cp_cpcr, fpi->cp_command | CPM_CR_FLG | (op << 8));
for (i = 0; i < MAX_CR_CMD_LOOPS; i++)
if ((R16(cpmp, cp_cpcr) & CPM_CR_FLG) == 0)
- break;
+ return 0;
- if (i >= MAX_CR_CMD_LOOPS) {
- printk(KERN_ERR "%s(): Not able to issue CPM command\n",
- __FUNCTION__);
- return 1;
- }
- return 0;
+ printk(KERN_ERR "%s(): Not able to issue CPM command\n",
+ __FUNCTION__);
+ return 1;
}
static int do_pd_setup(struct fs_enet_private *fep)
{
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+ struct of_device *ofdev = to_of_device(fep->dev);
+
+ fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+ if (fep->interrupt == NO_IRQ)
+ return -EINVAL;
+
+ fep->scc.sccp = of_iomap(ofdev->node, 0);
+ if (!fep->scc.sccp)
+ return -EINVAL;
+
+ fep->scc.ep = of_iomap(ofdev->node, 1);
+ if (!fep->scc.ep) {
+ iounmap(fep->scc.sccp);
+ return -EINVAL;
+ }
+#else
struct platform_device *pdev = to_platform_device(fep->dev);
struct resource *r;
@@ -129,6 +144,7 @@ static int do_pd_setup(struct fs_enet_private *fep)
if (fep->scc.ep == NULL)
return -EINVAL;
+#endif
return 0;
}
@@ -141,12 +157,17 @@ static int do_pd_setup(struct fs_enet_private *fep)
static int setup_data(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- const struct fs_platform_info *fpi = fep->fpi;
+
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+ struct fs_platform_info *fpi = fep->fpi;
fep->scc.idx = fs_get_scc_index(fpi->fs_no);
- if ((unsigned int)fep->fcc.idx > 4) /* max 4 SCCs */
+ if ((unsigned int)fep->fcc.idx >= 4) /* max 4 SCCs */
return -EINVAL;
+ fpi->cp_command = fep->fcc.idx << 6;
+#endif
+
do_pd_setup(fep);
fep->scc.hthi = 0;
@@ -154,7 +175,7 @@ static int setup_data(struct net_device *dev)
fep->ev_napi_rx = SCC_NAPI_RX_EVENT_MSK;
fep->ev_rx = SCC_RX_EVENT;
- fep->ev_tx = SCC_TX_EVENT;
+ fep->ev_tx = SCC_TX_EVENT | SCCE_ENET_TXE;
fep->ev_err = SCC_ERR_EVENT_MSK;
return 0;
@@ -170,7 +191,8 @@ static int allocate_bd(struct net_device *dev)
if (IS_ERR_VALUE(fep->ring_mem_addr))
return -ENOMEM;
- fep->ring_base = cpm_dpram_addr(fep->ring_mem_addr);
+ fep->ring_base = (void __iomem __force*)
+ cpm_dpram_addr(fep->ring_mem_addr);
return 0;
}
@@ -189,9 +211,9 @@ static void cleanup_data(struct net_device *dev)
}
static void set_promiscuous_mode(struct net_device *dev)
-{
+{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
S16(sccp, scc_psmr, SCC_PSMR_PRO);
}
@@ -199,7 +221,7 @@ static void set_promiscuous_mode(struct net_device *dev)
static void set_multicast_start(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_enet_t *ep = fep->scc.ep;
+ scc_enet_t __iomem *ep = fep->scc.ep;
W16(ep, sen_gaddr1, 0);
W16(ep, sen_gaddr2, 0);
@@ -210,7 +232,7 @@ static void set_multicast_start(struct net_device *dev)
static void set_multicast_one(struct net_device *dev, const u8 * mac)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_enet_t *ep = fep->scc.ep;
+ scc_enet_t __iomem *ep = fep->scc.ep;
u16 taddrh, taddrm, taddrl;
taddrh = ((u16) mac[5] << 8) | mac[4];
@@ -226,8 +248,8 @@ static void set_multicast_one(struct net_device *dev, const u8 * mac)
static void set_multicast_finish(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
- scc_enet_t *ep = fep->scc.ep;
+ scc_t __iomem *sccp = fep->scc.sccp;
+ scc_enet_t __iomem *ep = fep->scc.ep;
/* clear promiscuous always */
C16(sccp, scc_psmr, SCC_PSMR_PRO);
@@ -264,8 +286,8 @@ static void set_multicast_list(struct net_device *dev)
static void restart(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
- scc_enet_t *ep = fep->scc.ep;
+ scc_t __iomem *sccp = fep->scc.sccp;
+ scc_enet_t __iomem *ep = fep->scc.ep;
const struct fs_platform_info *fpi = fep->fpi;
u16 paddrh, paddrm, paddrl;
const unsigned char *mac;
@@ -275,7 +297,7 @@ static void restart(struct net_device *dev)
/* clear everything (slow & steady does it) */
for (i = 0; i < sizeof(*ep); i++)
- __fs_out8((char *)ep + i, 0);
+ __fs_out8((u8 __iomem *)ep + i, 0);
/* point to bds */
W16(ep, sen_genscc.scc_rbase, fep->ring_mem_addr);
@@ -323,7 +345,7 @@ static void restart(struct net_device *dev)
W16(ep, sen_iaddr3, 0);
W16(ep, sen_iaddr4, 0);
- /* set address
+ /* set address
*/
mac = dev->dev_addr;
paddrh = ((u16) mac[5] << 8) | mac[4];
@@ -345,7 +367,7 @@ static void restart(struct net_device *dev)
W16(sccp, scc_scce, 0xffff);
- /* Enable interrupts we wish to service.
+ /* Enable interrupts we wish to service.
*/
W16(sccp, scc_sccm, SCCE_ENET_TXE | SCCE_ENET_RXF | SCCE_ENET_TXB);
@@ -373,10 +395,10 @@ static void restart(struct net_device *dev)
S32(sccp, scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
-static void stop(struct net_device *dev)
+static void stop(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
int i;
for (i = 0; (R16(sccp, scc_sccm) == 0) && i < SCC_RESET_DELAY; i++)
@@ -420,7 +442,7 @@ static void post_free_irq(struct net_device *dev, int irq)
static void napi_clear_rx_event(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
W16(sccp, scc_scce, SCC_NAPI_RX_EVENT_MSK);
}
@@ -428,7 +450,7 @@ static void napi_clear_rx_event(struct net_device *dev)
static void napi_enable_rx(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
S16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK);
}
@@ -436,7 +458,7 @@ static void napi_enable_rx(struct net_device *dev)
static void napi_disable_rx(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
C16(sccp, scc_sccm, SCC_NAPI_RX_EVENT_MSK);
}
@@ -454,7 +476,7 @@ static void tx_kickstart(struct net_device *dev)
static u32 get_int_events(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
return (u32) R16(sccp, scc_scce);
}
@@ -462,7 +484,7 @@ static u32 get_int_events(struct net_device *dev)
static void clear_int_events(struct net_device *dev, u32 int_events)
{
struct fs_enet_private *fep = netdev_priv(dev);
- scc_t *sccp = fep->scc.sccp;
+ scc_t __iomem *sccp = fep->scc.sccp;
W16(sccp, scc_scce, int_events & 0xffff);
}
@@ -477,20 +499,20 @@ static int get_regs(struct net_device *dev, void *p, int *sizep)
{
struct fs_enet_private *fep = netdev_priv(dev);
- if (*sizep < sizeof(scc_t) + sizeof(scc_enet_t))
+ if (*sizep < sizeof(scc_t) + sizeof(scc_enet_t __iomem *))
return -EINVAL;
memcpy_fromio(p, fep->scc.sccp, sizeof(scc_t));
p = (char *)p + sizeof(scc_t);
- memcpy_fromio(p, fep->scc.ep, sizeof(scc_enet_t));
+ memcpy_fromio(p, fep->scc.ep, sizeof(scc_enet_t __iomem *));
return 0;
}
static int get_regs_len(struct net_device *dev)
{
- return sizeof(scc_t) + sizeof(scc_enet_t);
+ return sizeof(scc_t) + sizeof(scc_enet_t __iomem *);
}
static void tx_restart(struct net_device *dev)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 14:02:12 +0000