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-rw-r--r--target/linux/cns3xxx/config-default5
-rw-r--r--target/linux/cns3xxx/patches/051-cns3xxx_gigabit.patch162
-rw-r--r--target/linux/cns3xxx/patches/100-laguna_support.patch104
-rw-r--r--target/linux/cns3xxx/patches/106-cns3xxx_sata_support.patch190
4 files changed, 388 insertions, 73 deletions
diff --git a/target/linux/cns3xxx/config-default b/target/linux/cns3xxx/config-default
index 4aebd22fb6..02a88ced0b 100644
--- a/target/linux/cns3xxx/config-default
+++ b/target/linux/cns3xxx/config-default
@@ -12,10 +12,10 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_ARM=y
CONFIG_ARM_GIC=y
CONFIG_ARM_L1_CACHE_SHIFT=5
-# CONFIG_ARM_PATCH_PHYS_VIRT is not set
CONFIG_ARM_THUMB=y
CONFIG_ATA=y
# CONFIG_ATA_SFF is not set
+CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=2
CONFIG_BLK_DEV_RAM_SIZE=32768
@@ -47,7 +47,6 @@ CONFIG_DWC_OTG_MODE=y
CONFIG_EEPROM_AT24=y
CONFIG_FRAME_POINTER=y
# CONFIG_FSNOTIFY is not set
-# CONFIG_FTMAC100 is not set
CONFIG_GENERIC_ATOMIC64=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -101,7 +100,6 @@ CONFIG_LEDS_GPIO=y
CONFIG_M25PXX_USE_FAST_READ=y
CONFIG_MACH_CNS3420VB=y
CONFIG_MACH_GW2388=y
-# CONFIG_MFD_MAX8997 is not set
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
@@ -134,6 +132,7 @@ CONFIG_RD_GZIP=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_DS1672=y
CONFIG_SATA_AHCI=y
+CONFIG_SATA_AHCI_CNS3XXX=y
CONFIG_SATA_AHCI_PLATFORM=y
CONFIG_SCSI=y
# CONFIG_SCSI_MULTI_LUN is not set
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;
diff --git a/target/linux/cns3xxx/patches/100-laguna_support.patch b/target/linux/cns3xxx/patches/100-laguna_support.patch
index 574b8b3918..416b939457 100644
--- a/target/linux/cns3xxx/patches/100-laguna_support.patch
+++ b/target/linux/cns3xxx/patches/100-laguna_support.patch
@@ -1,6 +1,6 @@
--- /dev/null
+++ b/arch/arm/mach-cns3xxx/laguna.c
-@@ -0,0 +1,671 @@
+@@ -0,0 +1,761 @@
+/*
+ * Gateworks Corporation Laguna Platform
+ *
@@ -201,11 +201,91 @@
+ .name = "user2", /* Red Led */
+ .gpio = 114,
+ .active_low = 1,
++ },{
++ .name = "pwr1", /* Green Led */
++ .gpio = 116,
++ .active_low = 1,
++ },{
++ .name = "pwr2", /* Yellow Led */
++ .gpio = 117,
++ .active_low = 1,
++ },{
++ .name = "txd1", /* Green Led */
++ .gpio = 118,
++ .active_low = 1,
++ },{
++ .name = "txd2", /* Yellow Led */
++ .gpio = 119,
++ .active_low = 1,
++ },{
++ .name = "rxd1", /* Green Led */
++ .gpio = 120,
++ .active_low = 1,
++ },{
++ .name = "rxd2", /* Yellow Led */
++ .gpio = 121,
++ .active_low = 1,
++ },{
++ .name = "ser1", /* Green Led */
++ .gpio = 122,
++ .active_low = 1,
++ },{
++ .name = "ser2", /* Yellow Led */
++ .gpio = 123,
++ .active_low = 1,
++ },{
++ .name = "enet1", /* Green Led */
++ .gpio = 124,
++ .active_low = 1,
++ },{
++ .name = "enet2", /* Yellow Led */
++ .gpio = 125,
++ .active_low = 1,
++ },{
++ .name = "sig1_1", /* Green Led */
++ .gpio = 126,
++ .active_low = 1,
++ },{
++ .name = "sig1_2", /* Yellow Led */
++ .gpio = 127,
++ .active_low = 1,
++ },{
++ .name = "sig2_1", /* Green Led */
++ .gpio = 128,
++ .active_low = 1,
++ },{
++ .name = "sig2_2", /* Yellow Led */
++ .gpio = 129,
++ .active_low = 1,
++ },{
++ .name = "sig3_1", /* Green Led */
++ .gpio = 130,
++ .active_low = 1,
++ },{
++ .name = "sig3_2", /* Yellow Led */
++ .gpio = 131,
++ .active_low = 1,
++ },{
++ .name = "net1", /*Green Led */
++ .gpio = 109,
++ .active_low = 1,
++ },{
++ .name = "net2", /* Red Led */
++ .gpio = 110,
++ .active_low = 1,
++ },{
++ .name = "mod1", /* Green Led */
++ .gpio = 111,
++ .active_low = 1,
++ },{
++ .name = "mod2", /* Red Led */
++ .gpio = 112,
++ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data laguna_gpio_leds_data = {
-+ .num_leds = 2,
++ .num_leds = 22,
+ .leds = laguna_gpio_leds,
+};
+
@@ -446,6 +526,12 @@
+
+static struct pca953x_platform_data laguna_pca_data = {
+ .gpio_base = 100,
++ .irq_base = -1,
++};
++
++static struct pca953x_platform_data laguna_pca2_data = {
++ .gpio_base = 116,
++ .irq_base = -1,
+};
+
+static struct i2c_board_info __initdata laguna_i2c_devices[] = {
@@ -453,6 +539,9 @@
+ I2C_BOARD_INFO("pca9555", 0x23),
+ .platform_data = &laguna_pca_data,
+ },{
++ I2C_BOARD_INFO("pca9555", 0x27),
++ .platform_data = &laguna_pca2_data,
++ },{
+ I2C_BOARD_INFO("gsp", 0x29),
+ },{
+ I2C_BOARD_INFO ("24c08",0x50),
@@ -548,7 +637,8 @@
+ if (laguna_net_data.ports)
+ platform_device_register(&laguna_net_device);
+
-+ if (laguna_info.config_bitmap & (SATA0_LOAD | SATA1_LOAD))
++ if ((laguna_info.config_bitmap & SATA0_LOAD) ||
++ (laguna_info.config_bitmap & SATA1_LOAD))
+ cns3xxx_ahci_init();
+
+ if (laguna_info.config_bitmap & (PCIE0_LOAD))
@@ -640,9 +730,9 @@
+ spi_register_board_info(laguna_spi_devices, ARRAY_SIZE(laguna_spi_devices));
+ }
+
-+ if (laguna_info.config_bitmap & (SPI0_LOAD | SPI1_LOAD)) {
++ if ((laguna_info.config_bitmap & SPI0_LOAD) ||
++ (laguna_info.config_bitmap & SPI1_LOAD))
+ platform_device_register(&laguna_spi_controller);
-+ }
+
+ /*
+ * Do any model specific setup not known by the bitmap by matching
@@ -650,13 +740,13 @@
+ */
+
+ if (strncmp(laguna_info.model, "GW2388", 6) == 0) {
-+ platform_device_register(&laguna_gpio_leds_device);
++ laguna_gpio_leds_data.num_leds = 2;
+ } else if (strncmp(laguna_info.model, "GW2380", 6) == 0) {
+ laguna_gpio_leds[0].gpio = 107;
+ laguna_gpio_leds[1].gpio = 106;
+ laguna_gpio_leds_data.num_leds = 2;
-+ platform_device_register(&laguna_gpio_leds_device);
+ }
++ platform_device_register(&laguna_gpio_leds_device);
+ } else {
+ // Do some defaults here, not sure what yet
+ }
diff --git a/target/linux/cns3xxx/patches/106-cns3xxx_sata_support.patch b/target/linux/cns3xxx/patches/106-cns3xxx_sata_support.patch
new file mode 100644
index 0000000000..ce96f0ea4c
--- /dev/null
+++ b/target/linux/cns3xxx/patches/106-cns3xxx_sata_support.patch
@@ -0,0 +1,190 @@
+--- a/arch/arm/mach-cns3xxx/devices.c
++++ b/arch/arm/mach-cns3xxx/devices.c
+@@ -41,7 +41,7 @@ static struct resource cns3xxx_ahci_reso
+ static u64 cns3xxx_ahci_dmamask = DMA_BIT_MASK(32);
+
+ static struct platform_device cns3xxx_ahci_pdev = {
+- .name = "ahci",
++ .name = "ahci-cns3xxx",
+ .id = 0,
+ .resource = cns3xxx_ahci_resource,
+ .num_resources = ARRAY_SIZE(cns3xxx_ahci_resource),
+--- a/drivers/ata/Kconfig
++++ b/drivers/ata/Kconfig
+@@ -83,6 +83,17 @@ config SATA_AHCI_PLATFORM
+
+ If unsure, say N.
+
++config SATA_AHCI_CNS3XXX
++ bool "AHCI Support on the Cavium Networks CNS3xxx SOC"
++ depends on ARCH_CNS3XXX
++ depends on SATA_AHCI_PLATFORM
++ help
++ This option enables AHCI platform driver to support CNS3xxx
++ System-on-Chip devices. This is only needed when using CNS3xxx AHCI
++ controller.
++
++ If unsure, say N.
++
+ config SATA_FSL
+ tristate "Freescale 3.0Gbps SATA support"
+ depends on FSL_SOC
+--- a/drivers/ata/Makefile
++++ b/drivers/ata/Makefile
+@@ -4,7 +4,10 @@ obj-$(CONFIG_ATA) += libata.o
+ # non-SFF interface
+ obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o
+ obj-$(CONFIG_SATA_ACARD_AHCI) += acard-ahci.o libahci.o
+-obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
++obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platforms.o libahci.o
++ahci_platforms-y += ahci_platform.o
++ahci_platforms-$(CONFIG_SATA_AHCI_CNS3XXX) += ahci_cns3xxx.o
++
+ obj-$(CONFIG_SATA_FSL) += sata_fsl.o
+ obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
+ obj-$(CONFIG_SATA_SIL24) += sata_sil24.o
+--- /dev/null
++++ b/drivers/ata/ahci_cns3xxx.c
+@@ -0,0 +1,52 @@
++/*
++ * AHCI support for CNS3xxx SoC
++ *
++ * Copyright 2010 MontaVista Software, LLC.
++ * Copyright 2010 Cavium Networks
++ *
++ * Authors: Anton Vorontsov <avorontsov@xxxxxxxxxx>
++ * Mac Lin <mkl0301@xxxxxxxxx>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/libata.h>
++#include <linux/ahci_platform.h>
++#include "ahci.h"
++
++/*
++ * TODO: move cns3xxx_ahci_init to here after cns3xxx_pwr*() calls are
++ * thread-safe
++ */
++
++static int cns3xxx_ahci_softreset(struct ata_link *link, unsigned int *class,
++ unsigned long deadline)
++{
++ int pmp = sata_srst_pmp(link);
++ int ret;
++
++ ret = ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
++ if (pmp && ret)
++ return ahci_do_softreset(link, class, 0, deadline,
++ ahci_check_ready);
++ return ret;
++}
++
++static struct ata_port_operations cns3xxx_ahci_ops = {
++ .inherits = &ahci_ops,
++ .softreset = cns3xxx_ahci_softreset,
++};
++
++static const struct ata_port_info cns3xxx_ata_port_info = {
++ .flags = AHCI_FLAG_COMMON,
++ .pio_mask = ATA_PIO4,
++ .udma_mask = ATA_UDMA6,
++ .port_ops = &cns3xxx_ahci_ops,
++};
++
++struct ahci_platform_data cns3xxx_ahci_platform_data = {
++ .ata_port_info = &cns3xxx_ata_port_info,
++};
++
+--- a/drivers/ata/ahci_platform.c
++++ b/drivers/ata/ahci_platform.c
+@@ -19,9 +19,11 @@
+ #include <linux/interrupt.h>
+ #include <linux/device.h>
+ #include <linux/platform_device.h>
++#include <linux/mod_devicetable.h>
+ #include <linux/libata.h>
+ #include <linux/ahci_platform.h>
+ #include "ahci.h"
++#include "ahci_platform.h"
+
+ static struct scsi_host_template ahci_platform_sht = {
+ AHCI_SHT("ahci_platform"),
+@@ -29,6 +31,7 @@ static struct scsi_host_template ahci_pl
+
+ static int __init ahci_probe(struct platform_device *pdev)
+ {
++ const struct platform_device_id *platid = platform_get_device_id(pdev);
+ struct device *dev = &pdev->dev;
+ struct ahci_platform_data *pdata = dev->platform_data;
+ struct ata_port_info pi = {
+@@ -46,6 +49,9 @@ static int __init ahci_probe(struct plat
+ int i;
+ int rc;
+
++ if (!pdata && platid && platid->driver_data)
++ pdata = (void *)platid->driver_data;
++
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ dev_err(dev, "no mmio space\n");
+@@ -171,17 +177,28 @@ static int __devexit ahci_remove(struct
+ return 0;
+ }
+
++static const struct platform_device_id ahci_platform_ids[] = {
++ { "ahci", },
++#ifdef CONFIG_SATA_AHCI_CNS3XXX
++ { "ahci-cns3xxx", (kernel_ulong_t)&cns3xxx_ahci_platform_data},
++#endif
++ { },
++};
++MODULE_DEVICE_TABLE(platform, ahci_platform_ids);
++
+ static struct platform_driver ahci_driver = {
+- .remove = __devexit_p(ahci_remove),
+ .driver = {
+ .name = "ahci",
+ .owner = THIS_MODULE,
+ },
++ .probe = ahci_probe,
++ .remove = __devexit_p(ahci_remove),
++ .id_table = ahci_platform_ids,
+ };
+
+ static int __init ahci_init(void)
+ {
+- return platform_driver_probe(&ahci_driver, ahci_probe);
++ return platform_driver_register(&ahci_driver);
+ }
+ module_init(ahci_init);
+
+@@ -194,4 +211,3 @@ module_exit(ahci_exit);
+ MODULE_DESCRIPTION("AHCI SATA platform driver");
+ MODULE_AUTHOR("Anton Vorontsov <avorontsov@ru.mvista.com>");
+ MODULE_LICENSE("GPL");
+-MODULE_ALIAS("platform:ahci");
+--- /dev/null
++++ b/drivers/ata/ahci_platform.h
+@@ -0,0 +1,19 @@
++/*
++ * Copyright 2010 MontaVista Software, LLC.
++ * Copyright 2010 Cavium Networks
++ *
++ * Authors: Anton Vorontsov <avorontsov@xxxxxxxxxx>
++ * Mac Lin <mkl0301@xxxxxxxxx>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _DRIVERS_SATA_AHCI_PLATFORMS_H
++#define _DRIVERS_SATA_AHCI_PLATFORMS_H
++
++extern struct ahci_platform_data cns3xxx_ahci_platform_data;
++
++#endif /*_DRIVERS_SATA_AHCI_PLATFORMS_H*/
++
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 04:14:08 +0000