drivers: net: cpsw: remove hard coding bd ram for cpsw

BD ram address may vary in various SOC, so removing the hardcoding and
passing the same information through platform data

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>

diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 7138d73..15e249d 100644 (file)
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -435,6 +435,7 @@ static struct cpsw_platform_data cpsw_data = {
        .ale_entries            = 1024,
        .host_port_reg_ofs      = 0x108,
        .hw_stats_reg_ofs       = 0x900,
+       .bd_ram_ofs             = 0x2000,
        .mac_control            = (1 << 5),
        .control                = cpsw_control,
        .host_port_num          = 0,

diff --git a/board/ti/ti814x/evm.c b/board/ti/ti814x/evm.c
index 17fba5a..c469645 100644 (file)
--- a/board/ti/ti814x/evm.c
+++ b/board/ti/ti814x/evm.c
@@ -207,6 +207,7 @@ static struct cpsw_platform_data cpsw_data = {
        .ale_entries            = 1024,
        .host_port_reg_ofs      = 0x28,
        .hw_stats_reg_ofs       = 0x400,
+       .bd_ram_ofs             = 0x2000,
        .mac_control            = (1 << 5),
        .control                = cpsw_control,
        .host_port_num          = 0,

diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 379b679..dc0a2be 100644 (file)
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -51,8 +51,6 @@
 #define CPDMA_RXCP_VER1                0x160
 #define CPDMA_RXCP_VER2                0x260
 
-#define CPDMA_RAM_ADDR         0x4a102000
-
 /* Descriptor mode bits */
 #define CPDMA_DESC_SOP         BIT(31)
 #define CPDMA_DESC_EOP         BIT(30)
@@ -984,12 +982,12 @@ int cpsw_register(struct cpsw_platform_data *data)
                return -ENOMEM;
        }
 
-       priv->descs             = (void *)CPDMA_RAM_ADDR;
        priv->host_port         = data->host_port_num;
        priv->regs              = regs;
        priv->host_port_regs    = regs + data->host_port_reg_ofs;
        priv->dma_regs          = regs + data->cpdma_reg_ofs;
        priv->ale_regs          = regs + data->ale_reg_ofs;
+       priv->descs             = (void *)regs + data->bd_ram_ofs;
 
        int idx = 0;
 

diff --git a/include/cpsw.h b/include/cpsw.h
index 296b0e5..743cb96 100644 (file)
--- a/include/cpsw.h
+++ b/include/cpsw.h
@@ -39,6 +39,7 @@ struct cpsw_platform_data {
        int     ale_entries;    /* ale table size                       */
        u32     host_port_reg_ofs;      /* cpdma host port registers    */
        u32     hw_stats_reg_ofs;       /* cpsw hw stats counters       */
+       u32     bd_ram_ofs;             /* Buffer Descriptor RAM offset */
        u32     mac_control;
        struct cpsw_slave_data  *slave_data;
        void    (*control)(int enabled);