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path: root/drivers/net/fs_enet/mac-fcc.c
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Diffstat (limited to 'drivers/net/fs_enet/mac-fcc.c')
-rw-r--r--drivers/net/fs_enet/mac-fcc.c190
1 files changed, 114 insertions, 76 deletions
diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index 5603121132cd..da4efbca646e 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -1,14 +1,14 @@
/*
* FCC driver for Motorola MPC82xx (PQ2).
*
- * 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.
*/
@@ -42,34 +42,29 @@
#include <asm/irq.h>
#include <asm/uaccess.h>
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+#include <asm/of_device.h>
+#endif
+
#include "fs_enet.h"
/*************************************************/
/* FCC access macros */
-#define __fcc_out32(addr, x) out_be32((unsigned *)addr, x)
-#define __fcc_out16(addr, x) out_be16((unsigned short *)addr, x)
-#define __fcc_out8(addr, x) out_8((unsigned char *)addr, x)
-#define __fcc_in32(addr) in_be32((unsigned *)addr)
-#define __fcc_in16(addr) in_be16((unsigned short *)addr)
-#define __fcc_in8(addr) in_8((unsigned char *)addr)
-
-/* parameter space */
-
/* write, read, set bits, clear bits */
-#define W32(_p, _m, _v) __fcc_out32(&(_p)->_m, (_v))
-#define R32(_p, _m) __fcc_in32(&(_p)->_m)
+#define W32(_p, _m, _v) out_be32(&(_p)->_m, (_v))
+#define R32(_p, _m) in_be32(&(_p)->_m)
#define S32(_p, _m, _v) W32(_p, _m, R32(_p, _m) | (_v))
#define C32(_p, _m, _v) W32(_p, _m, R32(_p, _m) & ~(_v))
-#define W16(_p, _m, _v) __fcc_out16(&(_p)->_m, (_v))
-#define R16(_p, _m) __fcc_in16(&(_p)->_m)
+#define W16(_p, _m, _v) out_be16(&(_p)->_m, (_v))
+#define R16(_p, _m) in_be16(&(_p)->_m)
#define S16(_p, _m, _v) W16(_p, _m, R16(_p, _m) | (_v))
#define C16(_p, _m, _v) W16(_p, _m, R16(_p, _m) & ~(_v))
-#define W8(_p, _m, _v) __fcc_out8(&(_p)->_m, (_v))
-#define R8(_p, _m) __fcc_in8(&(_p)->_m)
+#define W8(_p, _m, _v) out_8(&(_p)->_m, (_v))
+#define R8(_p, _m) in_8(&(_p)->_m)
#define S8(_p, _m, _v) W8(_p, _m, R8(_p, _m) | (_v))
#define C8(_p, _m, _v) W8(_p, _m, R8(_p, _m) & ~(_v))
@@ -83,34 +78,62 @@
#define MAX_CR_CMD_LOOPS 10000
-static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 mcn, u32 op)
+static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 op)
{
const struct fs_platform_info *fpi = fep->fpi;
-
- cpm2_map_t *immap = fs_enet_immap;
- cpm_cpm2_t *cpmp = &immap->im_cpm;
- u32 v;
int i;
- /* Currently I don't know what feature call will look like. But
- I guess there'd be something like do_cpm_cmd() which will require page & sblock */
- v = mk_cr_cmd(fpi->cp_page, fpi->cp_block, mcn, op);
- W32(cpmp, cp_cpcr, v | CPM_CR_FLG);
+ W32(cpmp, cp_cpcr, fpi->cp_command | op | CPM_CR_FLG);
for (i = 0; i < MAX_CR_CMD_LOOPS; i++)
if ((R32(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);
+ struct fs_platform_info *fpi = fep->fpi;
+ int ret = -EINVAL;
+
+ fep->interrupt = of_irq_to_resource(ofdev->node, 0, NULL);
+ if (fep->interrupt == NO_IRQ)
+ goto out;
+
+ fep->fcc.fccp = of_iomap(ofdev->node, 0);
+ if (!fep->fcc.fccp)
+ goto out;
+
+ fep->fcc.ep = of_iomap(ofdev->node, 1);
+ if (!fep->fcc.ep)
+ goto out_fccp;
+
+ fep->fcc.fcccp = of_iomap(ofdev->node, 2);
+ if (!fep->fcc.fcccp)
+ goto out_ep;
+
+ fep->fcc.mem = (void __iomem *)cpm2_immr;
+ fpi->dpram_offset = cpm_dpalloc(128, 8);
+ if (IS_ERR_VALUE(fpi->dpram_offset)) {
+ ret = fpi->dpram_offset;
+ goto out_fcccp;
+ }
+
+ return 0;
+
+out_fcccp:
+ iounmap(fep->fcc.fcccp);
+out_ep:
+ iounmap(fep->fcc.ep);
+out_fccp:
+ iounmap(fep->fcc.fccp);
+out:
+ return ret;
+#else
struct platform_device *pdev = to_platform_device(fep->dev);
struct resource *r;
@@ -121,33 +144,33 @@ static int do_pd_setup(struct fs_enet_private *fep)
/* Attach the memory for the FCC Parameter RAM */
r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_pram");
- fep->fcc.ep = (void *)ioremap(r->start, r->end - r->start + 1);
+ fep->fcc.ep = ioremap(r->start, r->end - r->start + 1);
if (fep->fcc.ep == NULL)
return -EINVAL;
r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_regs");
- fep->fcc.fccp = (void *)ioremap(r->start, r->end - r->start + 1);
+ fep->fcc.fccp = ioremap(r->start, r->end - r->start + 1);
if (fep->fcc.fccp == NULL)
return -EINVAL;
if (fep->fpi->fcc_regs_c) {
-
- fep->fcc.fcccp = (void *)fep->fpi->fcc_regs_c;
+ fep->fcc.fcccp = (void __iomem *)fep->fpi->fcc_regs_c;
} else {
r = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"fcc_regs_c");
- fep->fcc.fcccp = (void *)ioremap(r->start,
+ fep->fcc.fcccp = ioremap(r->start,
r->end - r->start + 1);
}
if (fep->fcc.fcccp == NULL)
return -EINVAL;
- fep->fcc.mem = (void *)fep->fpi->mem_offset;
+ fep->fcc.mem = (void __iomem *)fep->fpi->mem_offset;
if (fep->fcc.mem == NULL)
return -EINVAL;
return 0;
+#endif
}
#define FCC_NAPI_RX_EVENT_MSK (FCC_ENET_RXF | FCC_ENET_RXB)
@@ -158,11 +181,17 @@ 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;
+#ifndef CONFIG_PPC_CPM_NEW_BINDING
+ struct fs_platform_info *fpi = fep->fpi;
+
+ fpi->cp_command = (fpi->cp_page << 26) |
+ (fpi->cp_block << 21) |
+ (12 << 6);
fep->fcc.idx = fs_get_fcc_index(fpi->fs_no);
if ((unsigned int)fep->fcc.idx >= 3) /* max 3 FCCs */
return -EINVAL;
+#endif
if (do_pd_setup(fep) != 0)
return -EINVAL;
@@ -180,7 +209,7 @@ static int allocate_bd(struct net_device *dev)
struct fs_enet_private *fep = netdev_priv(dev);
const struct fs_platform_info *fpi = fep->fpi;
- fep->ring_base = dma_alloc_coherent(fep->dev,
+ fep->ring_base = (void __iomem __force *)dma_alloc_coherent(fep->dev,
(fpi->tx_ring + fpi->rx_ring) *
sizeof(cbd_t), &fep->ring_mem_addr,
GFP_KERNEL);
@@ -198,7 +227,7 @@ static void free_bd(struct net_device *dev)
if (fep->ring_base)
dma_free_coherent(fep->dev,
(fpi->tx_ring + fpi->rx_ring) * sizeof(cbd_t),
- fep->ring_base, fep->ring_mem_addr);
+ (void __force *)fep->ring_base, fep->ring_mem_addr);
}
static void cleanup_data(struct net_device *dev)
@@ -209,7 +238,7 @@ 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);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
S32(fccp, fcc_fpsmr, FCC_PSMR_PRO);
}
@@ -217,7 +246,7 @@ 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);
- fcc_enet_t *ep = fep->fcc.ep;
+ fcc_enet_t __iomem *ep = fep->fcc.ep;
W32(ep, fen_gaddrh, 0);
W32(ep, fen_gaddrl, 0);
@@ -226,7 +255,7 @@ 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);
- fcc_enet_t *ep = fep->fcc.ep;
+ fcc_enet_t __iomem *ep = fep->fcc.ep;
u16 taddrh, taddrm, taddrl;
taddrh = ((u16)mac[5] << 8) | mac[4];
@@ -236,14 +265,14 @@ static void set_multicast_one(struct net_device *dev, const u8 *mac)
W16(ep, fen_taddrh, taddrh);
W16(ep, fen_taddrm, taddrm);
W16(ep, fen_taddrl, taddrl);
- fcc_cr_cmd(fep, 0x0C, CPM_CR_SET_GADDR);
+ fcc_cr_cmd(fep, CPM_CR_SET_GADDR);
}
static void set_multicast_finish(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fcc_t *fccp = fep->fcc.fccp;
- fcc_enet_t *ep = fep->fcc.ep;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
+ fcc_enet_t __iomem *ep = fep->fcc.ep;
/* clear promiscuous always */
C32(fccp, fcc_fpsmr, FCC_PSMR_PRO);
@@ -278,12 +307,14 @@ static void restart(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
const struct fs_platform_info *fpi = fep->fpi;
- fcc_t *fccp = fep->fcc.fccp;
- fcc_c_t *fcccp = fep->fcc.fcccp;
- fcc_enet_t *ep = fep->fcc.ep;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
+ fcc_c_t __iomem *fcccp = fep->fcc.fcccp;
+ fcc_enet_t __iomem *ep = fep->fcc.ep;
dma_addr_t rx_bd_base_phys, tx_bd_base_phys;
u16 paddrh, paddrm, paddrl;
+#ifndef CONFIG_PPC_CPM_NEW_BINDING
u16 mem_addr;
+#endif
const unsigned char *mac;
int i;
@@ -291,7 +322,7 @@ static void restart(struct net_device *dev)
/* clear everything (slow & steady does it) */
for (i = 0; i < sizeof(*ep); i++)
- __fcc_out8((char *)ep + i, 0);
+ out_8((u8 __iomem *)ep + i, 0);
/* get physical address */
rx_bd_base_phys = fep->ring_mem_addr;
@@ -315,14 +346,22 @@ static void restart(struct net_device *dev)
* this area.
*/
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+ W16(ep, fen_genfcc.fcc_riptr, fpi->dpram_offset);
+ W16(ep, fen_genfcc.fcc_tiptr, fpi->dpram_offset + 32);
+
+ W16(ep, fen_padptr, fpi->dpram_offset + 64);
+#else
mem_addr = (u32) fep->fcc.mem; /* de-fixup dpram offset */
W16(ep, fen_genfcc.fcc_riptr, (mem_addr & 0xffff));
W16(ep, fen_genfcc.fcc_tiptr, ((mem_addr + 32) & 0xffff));
+
W16(ep, fen_padptr, mem_addr + 64);
+#endif
/* fill with special symbol... */
- memset(fep->fcc.mem + fpi->dpram_offset + 64, 0x88, 32);
+ memset_io(fep->fcc.mem + fpi->dpram_offset + 64, 0x88, 32);
W32(ep, fen_genfcc.fcc_rbptr, 0);
W32(ep, fen_genfcc.fcc_tbptr, 0);
@@ -407,7 +446,7 @@ static void restart(struct net_device *dev)
S8(fcccp, fcc_gfemr, 0x20);
}
- fcc_cr_cmd(fep, 0x0c, CPM_CR_INIT_TRX);
+ fcc_cr_cmd(fep, CPM_CR_INIT_TRX);
/* clear events */
W16(fccp, fcc_fcce, 0xffff);
@@ -438,7 +477,7 @@ static void restart(struct net_device *dev)
static void stop(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
/* stop ethernet */
C32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT);
@@ -465,7 +504,7 @@ 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);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
W16(fccp, fcc_fcce, FCC_NAPI_RX_EVENT_MSK);
}
@@ -473,7 +512,7 @@ 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);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
S16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK);
}
@@ -481,7 +520,7 @@ 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);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
C16(fccp, fcc_fccm, FCC_NAPI_RX_EVENT_MSK);
}
@@ -494,15 +533,15 @@ static void rx_bd_done(struct net_device *dev)
static void tx_kickstart(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
- S32(fccp, fcc_ftodr, 0x80);
+ S16(fccp, fcc_ftodr, 0x8000);
}
static u32 get_int_events(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
return (u32)R16(fccp, fcc_fcce);
}
@@ -510,7 +549,7 @@ 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);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
W16(fccp, fcc_fcce, int_events & 0xffff);
}
@@ -521,47 +560,46 @@ static void ev_error(struct net_device *dev, u32 int_events)
": %s FS_ENET ERROR(s) 0x%x\n", dev->name, int_events);
}
-int get_regs(struct net_device *dev, void *p, int *sizep)
+static int get_regs(struct net_device *dev, void *p, int *sizep)
{
struct fs_enet_private *fep = netdev_priv(dev);
- if (*sizep < sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t))
+ if (*sizep < sizeof(fcc_t) + sizeof(fcc_enet_t) + 1)
return -EINVAL;
memcpy_fromio(p, fep->fcc.fccp, sizeof(fcc_t));
p = (char *)p + sizeof(fcc_t);
- memcpy_fromio(p, fep->fcc.fcccp, sizeof(fcc_c_t));
- p = (char *)p + sizeof(fcc_c_t);
-
memcpy_fromio(p, fep->fcc.ep, sizeof(fcc_enet_t));
+ p = (char *)p + sizeof(fcc_enet_t);
+ memcpy_fromio(p, fep->fcc.fcccp, 1);
return 0;
}
-int get_regs_len(struct net_device *dev)
+static int get_regs_len(struct net_device *dev)
{
- return sizeof(fcc_t) + sizeof(fcc_c_t) + sizeof(fcc_enet_t);
+ return sizeof(fcc_t) + sizeof(fcc_enet_t) + 1;
}
/* Some transmit errors cause the transmitter to shut
* down. We now issue a restart transmit. Since the
* errors close the BD and update the pointers, the restart
* _should_ pick up without having to reset any of our
- * pointers either. Also, To workaround 8260 device erratum
+ * pointers either. Also, To workaround 8260 device erratum
* CPM37, we must disable and then re-enable the transmitter
* following a Late Collision, Underrun, or Retry Limit error.
*/
-void tx_restart(struct net_device *dev)
+static void tx_restart(struct net_device *dev)
{
struct fs_enet_private *fep = netdev_priv(dev);
- fcc_t *fccp = fep->fcc.fccp;
+ fcc_t __iomem *fccp = fep->fcc.fccp;
C32(fccp, fcc_gfmr, FCC_GFMR_ENT);
udelay(10);
S32(fccp, fcc_gfmr, FCC_GFMR_ENT);
- fcc_cr_cmd(fep, 0x0C, CPM_CR_RESTART_TX);
+ fcc_cr_cmd(fep, CPM_CR_RESTART_TX);
}
/*************************************************************************/
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 17:55:09 +0100