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-rw-r--r--target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c194
-rw-r--r--target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c48
2 files changed, 140 insertions, 102 deletions
diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
index b3692e72a..aed241b98 100644
--- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c
@@ -3,7 +3,7 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* 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
@@ -20,7 +20,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <linux/init.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
@@ -32,126 +32,143 @@
#include <linux/magic.h>
#include <linux/platform_device.h>
-static struct map_info
-ifxmips_map = {
- .name = "ifxmips_mtd",
+#ifndef CONFIG_MTD_PARTITIONS
+#error Please enable CONFIG_MTD_PARTITIONS
+#endif
+
+static struct map_info ifxmips_map = {
+ .name = "ifx-nor",
.bankwidth = 2,
.size = 0x400000,
};
-static map_word
-ifxmips_read16(struct map_info * map, unsigned long adr)
+static map_word ifxmips_read16(struct map_info *map, unsigned long adr)
{
unsigned long flags;
map_word temp;
spin_lock_irqsave(&ebu_lock, flags);
adr ^= 2;
- temp.x[0] = *((__u16*)(map->virt + adr));
+ temp.x[0] = *((__u16 *)(map->virt + adr));
spin_unlock_irqrestore(&ebu_lock, flags);
return temp;
}
-static void
-ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
+static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
{
unsigned long flags;
spin_lock_irqsave(&ebu_lock, flags);
adr ^= 2;
- *((__u16*)(map->virt + adr)) = d.x[0];
+ *((__u16 *)(map->virt + adr)) = d.x[0];
spin_unlock_irqrestore(&ebu_lock, flags);
}
-void
-ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
+void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
{
unsigned char *p;
unsigned char *to_8;
unsigned long flags;
spin_lock_irqsave(&ebu_lock, flags);
from = (unsigned long)(from + map->virt);
- p = (unsigned char*) from;
- to_8 = (unsigned char*) to;
- while(len--)
+ p = (unsigned char *) from;
+ to_8 = (unsigned char *) to;
+ while (len--)
*to_8++ = *p++;
spin_unlock_irqrestore(&ebu_lock, flags);
}
-void
-ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
+void ifxmips_copy_to(struct map_info *map,
+ unsigned long to,
+ const void *from,
+ ssize_t len)
{
- unsigned char *p = (unsigned char*)from;
+ unsigned char *p = (unsigned char *)from;
unsigned char *to_8;
unsigned long flags;
spin_lock_irqsave(&ebu_lock, flags);
to += (unsigned long) map->virt;
- to_8 = (unsigned char*)to;
- while(len--)
+ to_8 = (unsigned char *)to;
+ while (len--)
*p++ = *to_8++;
spin_unlock_irqrestore(&ebu_lock, flags);
}
-static struct mtd_partition
-ifxmips_partitions[] = {
+static struct mtd_partition ifxmips_partitions[] = {
{
- name:"uboot",
- offset:0x00000000,
- size:0x00020000,
+ .name = "uboot",
+ .offset = 0x00000000,
+ .size = 0x00020000,
},
{
- name:"uboot_env",
- offset:0x00020000,
- size:0x00010000,
+ .name = "uboot_env",
+ .offset = 0x00020000,
+ .size = 0x00010000,
},
{
- name:"kernel",
- offset:0x00030000,
- size:0x0,
+ .name = "kernel",
+ .offset = 0x00030000,
+ .size = 0x0,
},
{
- name:"rootfs",
- offset:0x0,
- size:0x0,
+ .name = "rootfs",
+ .offset = 0x0,
+ .size = 0x0,
},
{
- name:"board_config",
- offset:0x0,
- size:0x0,
+ .name = "board_config",
+ .offset = 0x0,
+ .size = 0x0,
},
};
-int
-find_uImage_size(unsigned long start_offset){
+static struct mtd_partition ifxmips_meta_partition = {
+ .name = "linux",
+ .offset = 0x00030000,
+ .size = 0x0,
+};
+
+static const char *part_probe_types[] = { "cmdlinepart", NULL };
+
+int find_uImage_size(unsigned long start_offset)
+{
+ unsigned long magic;
unsigned long temp;
+ ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4);
+ if (!(ntohl(magic) == 0x27051956)) {
+ printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", ntohl(magic), start_offset);
+ return 0;
+ }
ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4);
printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40);
return temp + 0x40;
}
-int
-find_brn_block(unsigned long start_offset){
+int find_brn_block(unsigned long start_offset)
+{
unsigned char temp[9];
ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
temp[8] = '\0';
printk(KERN_INFO "data in brn block %s\n", temp);
- if(memcmp(temp, "BRN-BOOT", 8) == 0)
+ if (memcmp(temp, "BRN-BOOT", 8) == 0)
return 1;
else
return 0;
}
-int
-detect_squashfs_partition(unsigned long start_offset){
+int detect_squashfs_partition(unsigned long start_offset)
+{
unsigned long temp;
ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4);
- return (temp == SQUASHFS_MAGIC);
+ return temp == SQUASHFS_MAGIC;
}
-static int
-ifxmips_mtd_probe(struct platform_device *dev)
+static int ifxmips_mtd_probe(struct platform_device *dev)
{
struct mtd_info *ifxmips_mtd = NULL;
struct mtd_partition *parts = NULL;
unsigned long uimage_size;
+ int err, i;
+ int kernel_part = 2, rootfs_part = 3;
+ int num_parts = ARRAY_SIZE(ifxmips_partitions);
ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0);
@@ -163,51 +180,74 @@ ifxmips_mtd_probe(struct platform_device *dev)
ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1;
ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size);
- if(!ifxmips_map.virt)
- {
+ if (!ifxmips_map.virt) {
printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n");
return -EIO;
}
ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map);
- if(!ifxmips_mtd)
- {
+ if (!ifxmips_mtd) {
iounmap(ifxmips_map.virt);
printk(KERN_WARNING "ifxmips_mtd: probing failed\n");
return -ENXIO;
}
ifxmips_mtd->owner = THIS_MODULE;
- uimage_size = find_uImage_size(ifxmips_partitions[2].offset);
- if(detect_squashfs_partition(ifxmips_partitions[2].offset + uimage_size))
- {
- printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
+ err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0);
+ if (err > 0) {
+ printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err);
+ num_parts = err;
+ kernel_part = 0;
+ rootfs_part = 0;
+ for (i = 0; i < num_parts; i++) {
+ if (strcmp(parts[i].name, "kernel") == 0)
+ kernel_part = i;
+ if (strcmp(parts[i].name, "rootfs") == 0)
+ rootfs_part = i;
+ }
} else {
- uimage_size &= ~0xffff;
- uimage_size += 0x10000;
+ parts = &ifxmips_partitions[0];
}
- parts = &ifxmips_partitions[0];
- ifxmips_partitions[2].size = uimage_size;
- ifxmips_partitions[3].offset = ifxmips_partitions[2].offset + ifxmips_partitions[2].size;
- ifxmips_partitions[3].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - ifxmips_partitions[3].offset;
- if(ifxmips_has_brn_block())
- {
- ifxmips_partitions[3].size -= ifxmips_mtd->erasesize;
- ifxmips_partitions[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
- ifxmips_partitions[4].size = ifxmips_mtd->erasesize;
- add_mtd_partitions(ifxmips_mtd, parts, 5);
- } else {
- add_mtd_partitions(ifxmips_mtd, parts, 4);
+ /* dynamic size detection only if rootfs-part follows kernel-part */
+ if (kernel_part+1 == rootfs_part) {
+ uimage_size = find_uImage_size(parts[kernel_part].offset);
+
+ if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) {
+ printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
+ } else {
+ uimage_size &= ~0xffff;
+ uimage_size += 0x10000;
+ }
+
+ parts[kernel_part].size = uimage_size;
+ parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size;
+ parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset;
+
+ ifxmips_meta_partition.offset = parts[kernel_part].offset;
+ ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size;
}
- printk(KERN_INFO "ifxmips_mtd: added ifxmips flash with %dMB\n", ifxmips_mtd->size >> 20);
+ if (err <= 0) {
+ if (ifxmips_has_brn_block()) {
+ parts[4].size -= ifxmips_mtd->erasesize;
+ parts[5].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
+ parts[5].size = ifxmips_mtd->erasesize;
+ } else {
+ num_parts--;
+ }
+ }
+
+ add_mtd_partitions(ifxmips_mtd, parts, num_parts);
+ add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1);
+
+ printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n",
+ ifxmips_map.name, ifxmips_mtd->size >> 20);
return 0;
}
-static struct
-platform_driver ifxmips_mtd_driver = {
+static struct platform_driver ifxmips_mtd_driver = {
.probe = ifxmips_mtd_probe,
.driver = {
.name = "ifxmips_mtd",
@@ -215,17 +255,15 @@ platform_driver ifxmips_mtd_driver = {
},
};
-int __init
-init_ifxmips_mtd(void)
+int __init init_ifxmips_mtd(void)
{
int ret = platform_driver_register(&ifxmips_mtd_driver);
- if(ret)
+ if (ret)
printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!");
return ret;
}
-static void __exit
-cleanup_ifxmips_mtd(void)
+static void __exit cleanup_ifxmips_mtd(void)
{
platform_driver_unregister(&ifxmips_mtd_driver);
}
diff --git a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c b/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
index fe7f25ec2..fafb5a52f 100644
--- a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
+++ b/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c
@@ -14,7 +14,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
- * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
*/
#include <linux/kernel.h>
@@ -22,7 +22,7 @@
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/interrupt.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/in.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -32,9 +32,9 @@
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/ethtool.h>
-#include <asm/checksum.h>
#include <linux/init.h>
-#include <asm/delay.h>
+#include <linux/delay.h>
+#include <asm/checksum.h>
#include <asm/ifxmips/ifxmips.h>
#include <asm/ifxmips/ifxmips_dma.h>
#include <asm/ifxmips/ifxmips_pmu.h>
@@ -83,9 +83,9 @@ ifxmips_ifxmips_mii_open(struct net_device *dev)
struct dma_device_info* dma_dev = priv->dma_device;
int i;
- for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_rx_chan_num; i++)
{
- if((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
+ if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
}
netif_start_queue(dev);
@@ -98,7 +98,7 @@ ifxmips_mii_release(struct net_device *dev){
struct dma_device_info* dma_dev = priv->dma_device;
int i;
- for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_rx_chan_num; i++)
dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
netif_stop_queue(dev);
return 0;
@@ -114,7 +114,7 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
len = dma_device_read(dma_dev, &buf, (void**)&skb);
- if(len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
+ if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
{
printk(KERN_INFO "ifxmips_mii0: packet too large %d\n",len);
goto ifxmips_mii_hw_receive_err_exit;
@@ -122,13 +122,13 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
/* remove CRC */
len -= 4;
- if(skb == NULL)
+ if (skb == NULL)
{
printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n");
goto ifxmips_mii_hw_receive_err_exit;
}
- if(len > (skb->end - skb->tail))
+ if (len > (skb->end - skb->tail))
{
printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n",
(len+4), skb->end, skb->tail);
@@ -145,9 +145,9 @@ ifxmips_mii_hw_receive(struct net_device* dev,struct dma_device_info* dma_dev)
return 0;
ifxmips_mii_hw_receive_err_exit:
- if(len == 0)
+ if (len == 0)
{
- if(skb)
+ if (skb)
dev_kfree_skb_any(skb);
priv->stats.rx_errors++;
priv->stats.rx_dropped++;
@@ -185,7 +185,7 @@ ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev)
wmb();
- if(ifxmips_mii_hw_tx(data, len, dev) != len)
+ if (ifxmips_mii_hw_tx(data, len, dev) != len)
{
dev_kfree_skb_any(skb);
priv->stats.tx_errors++;
@@ -205,7 +205,7 @@ ifxmips_mii_tx_timeout(struct net_device *dev)
struct ifxmips_mii_priv* priv = (struct ifxmips_mii_priv*)dev->priv;
priv->stats.tx_errors++;
- for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+ for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
netif_wake_queue(dev);
return;
@@ -233,7 +233,7 @@ dma_intr_handler(struct dma_device_info* dma_dev, int status)
break;
case TRANSMIT_CPT_INT:
- for(i = 0; i < dma_dev->max_tx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_tx_chan_num; i++)
dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
netif_wake_queue(ifxmips_mii0_dev);
@@ -250,7 +250,7 @@ ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt)
struct sk_buff *skb = NULL;
skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
- if(skb == NULL)
+ if (skb == NULL)
return NULL;
buffer = (unsigned char*)(skb->data);
@@ -266,7 +266,7 @@ ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt)
{
struct sk_buff *skb = NULL;
- if(opt == NULL)
+ if (opt == NULL)
{
kfree(dataptr);
} else {
@@ -298,7 +298,7 @@ ifxmips_mii_dev_init(struct net_device *dev)
memset(dev->priv, 0, sizeof(struct ifxmips_mii_priv));
priv = dev->priv;
priv->dma_device = dma_device_reserve("PPE");
- if(!priv->dma_device){
+ if (!priv->dma_device){
BUG();
return -ENODEV;
}
@@ -307,14 +307,14 @@ ifxmips_mii_dev_init(struct net_device *dev)
priv->dma_device->intr_handler = &dma_intr_handler;
priv->dma_device->max_rx_chan_num = 4;
- for(i = 0; i < priv->dma_device->max_rx_chan_num; i++)
+ for (i = 0; i < priv->dma_device->max_rx_chan_num; i++)
{
priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON;
}
- for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
- if(i == 0)
+ for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+ if (i == 0)
priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON;
else
priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF;
@@ -322,7 +322,7 @@ ifxmips_mii_dev_init(struct net_device *dev)
dma_device_register(priv->dma_device);
printk(KERN_INFO "ifxmips_mii0: using mac=");
- for(i = 0; i < 6; i++)
+ for (i = 0; i < 6; i++)
{
dev->dev_addr[i] = mac_addr[i];
printk("%02X%c", dev->dev_addr[i], (i == 5)?('\n'):(':'));
@@ -336,9 +336,9 @@ ifxmips_mii_chip_init(int mode)
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE);
- if(mode == REV_MII_MODE)
+ if (mode == REV_MII_MODE)
ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
- else if(mode == MII_MODE)
+ else if (mode == MII_MODE)
ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL);
ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 05:20:27 +0000