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Diffstat (limited to 'target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch')
-rw-r--r--target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch162
1 files changed, 99 insertions, 63 deletions
diff --git a/target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch b/target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch
index 9fc5c0db22..ddc499e773 100644
--- a/target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch
+++ b/target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch
@@ -27,7 +27,7 @@
obj-$(CONFIG_AMD8111_ETH) += amd8111e.o
--- /dev/null
+++ b/drivers/net/cns3xxx_eth.c
-@@ -0,0 +1,1233 @@
+@@ -0,0 +1,1269 @@
+/*
+ * Cavium CNS3xxx Gigabit driver for Linux
+ *
@@ -51,41 +51,71 @@
+#include <linux/skbuff.h>
+#include <mach/hardware.h>
+
-+#define DRV_NAME "cns3xxx_eth"
++#define DRV_NAME "cns3xxx_eth"
+
-+#define RX_DESCS 512
-+#define TX_DESCS 512
-+#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
++#define RX_DESCS 512
++#define TX_DESCS 512
++#define SKB_DMA_REALIGN ((PAGE_SIZE - NET_SKB_PAD) % SMP_CACHE_BYTES)
+
+#define RX_POOL_ALLOC_SIZE (sizeof(struct rx_desc) * RX_DESCS)
+#define TX_POOL_ALLOC_SIZE (sizeof(struct tx_desc) * TX_DESCS)
-+#define REGS_SIZE 0x150
-+#define MAX_MRU 9500
-+
-+#define NAPI_WEIGHT 64
++#define REGS_SIZE 336
++#define MAX_MRU 9500
++
++#define NAPI_WEIGHT 64
++
++/* MDIO Defines */
++#define MDIO_CMD_COMPLETE 0x00008000
++#define MDIO_WRITE_COMMAND 0x00002000
++#define MDIO_READ_COMMAND 0x00004000
++#define MDIO_REG_OFFSET 8
++#define MDIO_VALUE_OFFSET 16
++
++/* Descritor Defines */
++#define END_OF_RING 0x40000000
++#define FIRST_SEGMENT 0x20000000
++#define LAST_SEGMENT 0x10000000
++#define FORCE_ROUTE 0x04000000
++#define IP_CHECKSUM 0x00040000
++#define UDP_CHECKSUM 0x00020000
++#define TCP_CHECKSUM 0x00010000
+
+/* Port Config Defines */
-+#define PORT_DISABLE (1 << 18)
++#define PORT_DISABLE 0x00040000
++#define PROMISC_OFFSET 29
++
++/* Global Config Defines */
++#define UNKNOWN_VLAN_TO_CPU 0x02000000
++#define ACCEPT_CRC_PACKET 0x00200000
++#define CRC_STRIPPING 0x00100000
++
++/* VLAN Config Defines */
++#define NIC_MODE 0x00008000
++#define VLAN_UNAWARE 0x00000001
+
+/* DMA AUTO Poll Defines */
-+#define TS_POLL_EN (1 << 5)
-+#define TS_SUSPEND (1 << 4)
-+#define FS_POLL_EN (1 << 1)
-+#define FS_SUSPEND (1 << 0)
++#define TS_POLL_EN 0x00000020
++#define TS_SUSPEND 0x00000010
++#define FS_POLL_EN 0x00000002
++#define FS_SUSPEND 0x00000001
++
++/* DMA Ring Control Defines */
++#define QUEUE_THRESHOLD 0x000000f0
++#define CLR_FS_STATE 0x80000000
+
+struct tx_desc
+{
-+ u32 sdp; // segment data pointer
++ u32 sdp; /* segment data pointer */
+
+ union {
+ struct {
-+ u32 sdl:16; // segment data length
++ u32 sdl:16; /* segment data length */
+ u32 tco:1;
+ u32 uco:1;
+ u32 ico:1;
-+ u32 rsv_1:3; // reserve
++ u32 rsv_1:3; /* reserve */
+ u32 pri:3;
-+ u32 fp:1; // force priority
++ u32 fp:1; /* force priority */
+ u32 fr:1;
+ u32 interrupt:1;
+ u32 lsd:1;
@@ -125,16 +155,16 @@
+ u32 config2;
+ };
+
-+ u8 alignment[16]; // for alignment 32 byte
++ u8 alignment[16]; /* for 32 byte */
+};
+
+struct rx_desc
+{
-+ u32 sdp; // segment data pointer
++ u32 sdp; /* segment data pointer */
+
+ union {
+ struct {
-+ u32 sdl:16; // segment data length
++ u32 sdl:16; /* segment data length */
+ u32 l4f:1;
+ u32 ipf:1;
+ u32 prot:4;
@@ -179,12 +209,12 @@
+ u32 config2;
+ };
+
-+ u8 alignment[16]; // for alignment 32 byte
++ u8 alignment[16]; /* for 32 byte alignment */
+};
+
+
+struct switch_regs {
-+ u32 phy_control; /* 000 */
++ u32 phy_control;
+ u32 phy_auto_addr;
+ u32 mac_glob_cfg;
+ u32 mac_cfg[4];
@@ -289,22 +319,22 @@
+ u32 temp = 0;
+
+ temp = __raw_readl(&mdio_regs->phy_control);
-+ temp |= (1 << 15); /* Clear Command Complete bit */
++ temp |= MDIO_CMD_COMPLETE;
+ __raw_writel(temp, &mdio_regs->phy_control);
+ udelay(10);
+
+ if (write) {
-+ temp = (cmd << 16);
-+ temp |= (1 << 13); /* Write Command */
++ temp = (cmd << MDIO_VALUE_OFFSET);
++ temp |= MDIO_WRITE_COMMAND;
+ } else {
-+ temp = (1 << 14); /* Read Command */
++ temp = MDIO_READ_COMMAND;
+ }
-+ temp |= ((location & 0x1f) << 8);
++ temp |= ((location & 0x1f) << MDIO_REG_OFFSET);
+ temp |= (phy_id & 0x1f);
+
+ __raw_writel(temp, &mdio_regs->phy_control);
+
-+ while (((__raw_readl(&mdio_regs->phy_control) & 0x8000) == 0)
++ while (((__raw_readl(&mdio_regs->phy_control) & MDIO_CMD_COMPLETE) == 0)
+ && cycles < 5000) {
+ udelay(1);
+ cycles++;
@@ -317,13 +347,13 @@
+ }
+
+ temp = __raw_readl(&mdio_regs->phy_control);
-+ temp |= (1 << 15); /* Clear Command Complete bit */
++ temp |= MDIO_CMD_COMPLETE;
+ __raw_writel(temp, &mdio_regs->phy_control);
+
+ if (write)
+ return 0;
+
-+ return ((temp >> 16) & 0xFFFF);
++ return ((temp >> MDIO_VALUE_OFFSET) & 0xFFFF);
+}
+
+static int cns3xxx_mdio_read(struct mii_bus *bus, int phy_id, int location)
@@ -430,13 +460,11 @@
+ desc->sdp = dma_map_single(NULL, skb->data,
+ mtu, DMA_FROM_DEVICE);
+ if (dma_mapping_error(NULL, desc->sdp)) {
-+ printk("failed to map\n");
+ dev_kfree_skb(skb);
+ /* Failed to map, better luck next time */
+ goto out;;
+ }
+ } else {
-+ printk("failed to alloc\n");
+ /* Failed to allocate skb, try again next time */
+ goto out;
+ }
@@ -446,9 +474,10 @@
+
+ if (++i == RX_DESCS) {
+ i = 0;
-+ desc->config0 = 0x70000000 | mtu;
++ desc->config0 = END_OF_RING | FIRST_SEGMENT |
++ LAST_SEGMENT | mtu;
+ } else {
-+ desc->config0 = 0x30000000 | mtu;
++ desc->config0 = FIRST_SEGMENT | LAST_SEGMENT | mtu;
+ }
+ }
+out:
@@ -555,8 +584,6 @@
+ if (++i == RX_DESCS) i = 0;
+ next_desc = &(rx_ring)->desc[i];
+ prefetch(next_desc);
-+ prefetch(next_desc + 4);
-+ prefetch(next_desc + 8);
+
+ port_id = desc->sp;
+ if (port_id == 4)
@@ -666,9 +693,13 @@
+ tx_ring->buff_tab[index] = skb;
+
+ if (index == TX_DESCS - 1) {
-+ tx_desc->config0 = 0x74070000 | len;
++ tx_desc->config0 = END_OF_RING | FIRST_SEGMENT | LAST_SEGMENT |
++ FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
++ TCP_CHECKSUM | len;
+ } else {
-+ tx_desc->config0 = 0x34070000 | len;
++ tx_desc->config0 = FIRST_SEGMENT | LAST_SEGMENT |
++ FORCE_ROUTE | IP_CHECKSUM | UDP_CHECKSUM |
++ TCP_CHECKSUM | len;
+ }
+
+ return NETDEV_TX_OK;
@@ -725,14 +756,15 @@
+ struct _rx_ring *rx_ring = sw->rx_ring;
+ struct _tx_ring *tx_ring = sw->tx_ring;
+
-+ __raw_writel(0x0, &sw->regs->fs_dma_ctrl0);
-+ __raw_writel(0x11, &sw->regs->dma_auto_poll_cfg);
-+ __raw_writel(0x000000f0, &sw->regs->dma_ring_ctrl);
-+ __raw_writel(0x800000f0, &sw->regs->dma_ring_ctrl);
++ __raw_writel(0, &sw->regs->fs_dma_ctrl0);
++ __raw_writel(TS_SUSPEND | FS_SUSPEND, &sw->regs->dma_auto_poll_cfg);
++ __raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
++ __raw_writel(CLR_FS_STATE | QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
+
-+ __raw_writel(0x000000f0, &sw->regs->dma_ring_ctrl);
++ __raw_writel(QUEUE_THRESHOLD, &sw->regs->dma_ring_ctrl);
+
-+ if (!(rx_dma_pool = dma_pool_create(DRV_NAME, NULL, RX_POOL_ALLOC_SIZE, 32, 0)))
++ if (!(rx_dma_pool = dma_pool_create(DRV_NAME, NULL,
++ RX_POOL_ALLOC_SIZE, 32, 0)))
+ return -ENOMEM;
+
+ if (!(rx_ring->desc = dma_pool_alloc(rx_dma_pool, GFP_KERNEL,
@@ -766,7 +798,8 @@
+ __raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_ptr0);
+ __raw_writel(rx_ring->phys_addr, &sw->regs->fs_desc_base_addr0);
+
-+ if (!(tx_dma_pool = dma_pool_create(DRV_NAME, NULL, TX_POOL_ALLOC_SIZE, 32, 0)))
++ if (!(tx_dma_pool = dma_pool_create(DRV_NAME, NULL,
++ TX_POOL_ALLOC_SIZE, 32, 0)))
+ return -ENOMEM;
+
+ if (!(tx_ring->desc = dma_pool_alloc(tx_dma_pool, GFP_KERNEL,
@@ -849,7 +882,7 @@
+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
+
+ temp = __raw_readl(&sw->regs->dma_auto_poll_cfg);
-+ temp &= ~(0x11);
++ temp &= ~(TS_SUSPEND | FS_SUSPEND);
+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
+
+ __raw_writel((TS_POLL_EN | FS_POLL_EN), &sw->regs->dma_auto_poll_cfg);
@@ -889,8 +922,8 @@
+ temp |= (PORT_DISABLE);
+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
+
-+ temp = 0x11;
-+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
++ __raw_writel(TS_SUSPEND | FS_SUSPEND,
++ &sw->regs->dma_auto_poll_cfg);
+ }
+
+ netif_carrier_off(dev);
@@ -907,14 +940,14 @@
+
+ if (dev->flags & IFF_PROMISC) {
+ if (port->id == 3)
-+ temp |= ((1 << 2) << 29);
++ temp |= ((1 << 2) << PROMISC_OFFSET);
+ else
-+ temp |= ((1 << port->id) << 29);
++ temp |= ((1 << port->id) << PROMISC_OFFSET);
+ } else {
+ if (port->id == 3)
-+ temp &= ~((1 << 2) << 29);
++ temp &= ~((1 << 2) << PROMISC_OFFSET);
+ else
-+ temp &= ~((1 << port->id) << 29);
++ temp &= ~((1 << port->id) << PROMISC_OFFSET);
+ }
+ __raw_writel(temp, &sw->regs->mac_glob_cfg);
+}
@@ -1007,15 +1040,16 @@
+ sw->mtu = new_mtu;
+
+ /* Disable DMA */
-+ temp = 0x11;
-+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
++ __raw_writel(TS_SUSPEND | FS_SUSPEND, &sw->regs->dma_auto_poll_cfg);
+
+ for (i = 0; i < RX_DESCS; i++) {
+ desc = &(rx_ring)->desc[i];
-+ /* Check if we own it, if we do, it will get set correctly when it is re-used */
++ /* Check if we own it, if we do, it will get set correctly
++ * when it is re-used */
+ if (!desc->cown) {
+ skb = rx_ring->buff_tab[i];
-+ dma_unmap_single(NULL, desc->sdp, desc->sdl, DMA_FROM_DEVICE);
++ dma_unmap_single(NULL, desc->sdp, desc->sdl,
++ DMA_FROM_DEVICE);
+ dev_kfree_skb(skb);
+
+ if ((skb = dev_alloc_skb(new_mtu))) {
@@ -1034,15 +1068,17 @@
+ rx_ring->buff_tab[i] = skb;
+
+ if (i == RX_DESCS - 1)
-+ desc->config0 = 0x70000000 | new_mtu;
++ desc->config0 = END_OF_RING | FIRST_SEGMENT |
++ LAST_SEGMENT | new_mtu;
+ else
-+ desc->config0 = 0x30000000 | new_mtu;
++ desc->config0 = FIRST_SEGMENT |
++ LAST_SEGMENT | new_mtu;
+ }
+ }
+
+ /* Re-ENABLE DMA */
+ temp = __raw_readl(&sw->regs->dma_auto_poll_cfg);
-+ temp &= ~(0x11);
++ temp &= ~(TS_SUSPEND | FS_SUSPEND);
+ __raw_writel(temp, &sw->regs->dma_auto_poll_cfg);
+
+ __raw_writel((TS_POLL_EN | FS_POLL_EN), &sw->regs->dma_auto_poll_cfg);
@@ -1105,11 +1141,11 @@
+ __raw_writel(temp, &sw->regs->mac_cfg[2]);
+
+ temp = __raw_readl(&sw->regs->vlan_cfg);
-+ temp |= ((1 << 15) | (1 << 0));
++ temp |= NIC_MODE | VLAN_UNAWARE;
+ __raw_writel(temp, &sw->regs->vlan_cfg);
+
-+ temp = 0x02300000;
-+ __raw_writel(temp, &sw->regs->mac_glob_cfg);
++ __raw_writel(UNKNOWN_VLAN_TO_CPU | ACCEPT_CRC_PACKET |
++ CRC_STRIPPING, &sw->regs->mac_glob_cfg);
+
+ if (!(sw->rx_ring = kmalloc(sizeof(struct _rx_ring), GFP_KERNEL))) {
+ err = -ENOMEM;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 03:28:20 +0000