312 lines
7.7 KiB
C
312 lines
7.7 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/export.h>
|
|
#include <bcm63xx_dev_enet.h>
|
|
#include <bcm63xx_io.h>
|
|
#include <bcm63xx_regs.h>
|
|
|
|
static const unsigned long bcm6348_regs_enetdmac[] = {
|
|
[ENETDMAC_CHANCFG] = ENETDMAC_CHANCFG_REG,
|
|
[ENETDMAC_IR] = ENETDMAC_IR_REG,
|
|
[ENETDMAC_IRMASK] = ENETDMAC_IRMASK_REG,
|
|
[ENETDMAC_MAXBURST] = ENETDMAC_MAXBURST_REG,
|
|
};
|
|
|
|
static const unsigned long bcm6345_regs_enetdmac[] = {
|
|
[ENETDMAC_CHANCFG] = ENETDMA_6345_CHANCFG_REG,
|
|
[ENETDMAC_IR] = ENETDMA_6345_IR_REG,
|
|
[ENETDMAC_IRMASK] = ENETDMA_6345_IRMASK_REG,
|
|
[ENETDMAC_MAXBURST] = ENETDMA_6345_MAXBURST_REG,
|
|
[ENETDMAC_BUFALLOC] = ENETDMA_6345_BUFALLOC_REG,
|
|
[ENETDMAC_RSTART] = ENETDMA_6345_RSTART_REG,
|
|
[ENETDMAC_FC] = ENETDMA_6345_FC_REG,
|
|
[ENETDMAC_LEN] = ENETDMA_6345_LEN_REG,
|
|
};
|
|
|
|
const unsigned long *bcm63xx_regs_enetdmac;
|
|
EXPORT_SYMBOL(bcm63xx_regs_enetdmac);
|
|
|
|
static __init void bcm63xx_enetdmac_regs_init(void)
|
|
{
|
|
if (BCMCPU_IS_6345())
|
|
bcm63xx_regs_enetdmac = bcm6345_regs_enetdmac;
|
|
else
|
|
bcm63xx_regs_enetdmac = bcm6348_regs_enetdmac;
|
|
}
|
|
|
|
static struct resource shared_res[] = {
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device bcm63xx_enet_shared_device = {
|
|
.name = "bcm63xx_enet_shared",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(shared_res),
|
|
.resource = shared_res,
|
|
};
|
|
|
|
static int shared_device_registered;
|
|
|
|
static struct resource enet0_res[] = {
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct bcm63xx_enet_platform_data enet0_pd;
|
|
|
|
static struct platform_device bcm63xx_enet0_device = {
|
|
.name = "bcm63xx_enet",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(enet0_res),
|
|
.resource = enet0_res,
|
|
.dev = {
|
|
.platform_data = &enet0_pd,
|
|
},
|
|
};
|
|
|
|
static struct resource enet1_res[] = {
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.end = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = -1, /* filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct bcm63xx_enet_platform_data enet1_pd;
|
|
|
|
static struct platform_device bcm63xx_enet1_device = {
|
|
.name = "bcm63xx_enet",
|
|
.id = 1,
|
|
.num_resources = ARRAY_SIZE(enet1_res),
|
|
.resource = enet1_res,
|
|
.dev = {
|
|
.platform_data = &enet1_pd,
|
|
},
|
|
};
|
|
|
|
static struct resource enetsw_res[] = {
|
|
{
|
|
/* start & end filled at runtime */
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
/* start filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
/* start filled at runtime */
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct bcm63xx_enetsw_platform_data enetsw_pd;
|
|
|
|
static struct platform_device bcm63xx_enetsw_device = {
|
|
.name = "bcm63xx_enetsw",
|
|
.num_resources = ARRAY_SIZE(enetsw_res),
|
|
.resource = enetsw_res,
|
|
.dev = {
|
|
.platform_data = &enetsw_pd,
|
|
},
|
|
};
|
|
|
|
static int __init register_shared(void)
|
|
{
|
|
int ret, chan_count;
|
|
|
|
if (shared_device_registered)
|
|
return 0;
|
|
|
|
bcm63xx_enetdmac_regs_init();
|
|
|
|
shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
|
|
shared_res[0].end = shared_res[0].start;
|
|
if (BCMCPU_IS_6345())
|
|
shared_res[0].end += (RSET_6345_ENETDMA_SIZE) - 1;
|
|
else
|
|
shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
|
|
|
|
if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_6368())
|
|
chan_count = 32;
|
|
else if (BCMCPU_IS_6345())
|
|
chan_count = 8;
|
|
else
|
|
chan_count = 16;
|
|
|
|
shared_res[1].start = bcm63xx_regset_address(RSET_ENETDMAC);
|
|
shared_res[1].end = shared_res[1].start;
|
|
shared_res[1].end += RSET_ENETDMAC_SIZE(chan_count) - 1;
|
|
|
|
shared_res[2].start = bcm63xx_regset_address(RSET_ENETDMAS);
|
|
shared_res[2].end = shared_res[2].start;
|
|
shared_res[2].end += RSET_ENETDMAS_SIZE(chan_count) - 1;
|
|
|
|
ret = platform_device_register(&bcm63xx_enet_shared_device);
|
|
if (ret)
|
|
return ret;
|
|
shared_device_registered = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int __init bcm63xx_enet_register(int unit,
|
|
const struct bcm63xx_enet_platform_data *pd)
|
|
{
|
|
struct platform_device *pdev;
|
|
struct bcm63xx_enet_platform_data *dpd;
|
|
int ret;
|
|
|
|
if (unit > 1)
|
|
return -ENODEV;
|
|
|
|
if (unit == 1 && (BCMCPU_IS_6338() || BCMCPU_IS_6345()))
|
|
return -ENODEV;
|
|
|
|
ret = register_shared();
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (unit == 0) {
|
|
enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
|
|
enet0_res[0].end = enet0_res[0].start;
|
|
enet0_res[0].end += RSET_ENET_SIZE - 1;
|
|
enet0_res[1].start = bcm63xx_get_irq_number(IRQ_ENET0);
|
|
enet0_res[2].start = bcm63xx_get_irq_number(IRQ_ENET0_RXDMA);
|
|
enet0_res[3].start = bcm63xx_get_irq_number(IRQ_ENET0_TXDMA);
|
|
pdev = &bcm63xx_enet0_device;
|
|
} else {
|
|
enet1_res[0].start = bcm63xx_regset_address(RSET_ENET1);
|
|
enet1_res[0].end = enet1_res[0].start;
|
|
enet1_res[0].end += RSET_ENET_SIZE - 1;
|
|
enet1_res[1].start = bcm63xx_get_irq_number(IRQ_ENET1);
|
|
enet1_res[2].start = bcm63xx_get_irq_number(IRQ_ENET1_RXDMA);
|
|
enet1_res[3].start = bcm63xx_get_irq_number(IRQ_ENET1_TXDMA);
|
|
pdev = &bcm63xx_enet1_device;
|
|
}
|
|
|
|
/* copy given platform data */
|
|
dpd = pdev->dev.platform_data;
|
|
memcpy(dpd, pd, sizeof(*pd));
|
|
|
|
/* adjust them in case internal phy is used */
|
|
if (dpd->use_internal_phy) {
|
|
|
|
/* internal phy only exists for enet0 */
|
|
if (unit == 1)
|
|
return -ENODEV;
|
|
|
|
dpd->phy_id = 1;
|
|
dpd->has_phy_interrupt = 1;
|
|
dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
|
|
}
|
|
|
|
dpd->dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
|
|
dpd->dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
|
|
if (BCMCPU_IS_6345()) {
|
|
dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_CHAINING_MASK;
|
|
dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_WRAP_EN_MASK;
|
|
dpd->dma_chan_en_mask |= ENETDMAC_CHANCFG_FLOWC_EN_MASK;
|
|
dpd->dma_chan_int_mask |= ENETDMA_IR_BUFDONE_MASK;
|
|
dpd->dma_chan_int_mask |= ENETDMA_IR_NOTOWNER_MASK;
|
|
dpd->dma_chan_width = ENETDMA_6345_CHAN_WIDTH;
|
|
dpd->dma_desc_shift = ENETDMA_6345_DESC_SHIFT;
|
|
} else {
|
|
dpd->dma_has_sram = true;
|
|
dpd->dma_chan_width = ENETDMA_CHAN_WIDTH;
|
|
}
|
|
|
|
ret = platform_device_register(pdev);
|
|
if (ret)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
int __init
|
|
bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd)
|
|
{
|
|
int ret;
|
|
|
|
if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362() && !BCMCPU_IS_6368())
|
|
return -ENODEV;
|
|
|
|
ret = register_shared();
|
|
if (ret)
|
|
return ret;
|
|
|
|
enetsw_res[0].start = bcm63xx_regset_address(RSET_ENETSW);
|
|
enetsw_res[0].end = enetsw_res[0].start;
|
|
enetsw_res[0].end += RSET_ENETSW_SIZE - 1;
|
|
enetsw_res[1].start = bcm63xx_get_irq_number(IRQ_ENETSW_RXDMA0);
|
|
enetsw_res[2].start = bcm63xx_get_irq_number(IRQ_ENETSW_TXDMA0);
|
|
if (!enetsw_res[2].start)
|
|
enetsw_res[2].start = -1;
|
|
|
|
memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof(*pd));
|
|
|
|
if (BCMCPU_IS_6328())
|
|
enetsw_pd.num_ports = ENETSW_PORTS_6328;
|
|
else if (BCMCPU_IS_6362() || BCMCPU_IS_6368())
|
|
enetsw_pd.num_ports = ENETSW_PORTS_6368;
|
|
|
|
enetsw_pd.dma_has_sram = true;
|
|
enetsw_pd.dma_chan_width = ENETDMA_CHAN_WIDTH;
|
|
enetsw_pd.dma_chan_en_mask = ENETDMAC_CHANCFG_EN_MASK;
|
|
enetsw_pd.dma_chan_int_mask = ENETDMAC_IR_PKTDONE_MASK;
|
|
|
|
ret = platform_device_register(&bcm63xx_enetsw_device);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|