#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>
+#ifdef BCMCPU_RUNTIME_DETECT
+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;
+}
+#else
+static __init void bcm63xx_enetdmac_regs_init(void) { }
+#endif
+
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 = {
},
};
+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)
{
if (unit > 1)
return -ENODEV;
- if (unit == 1 && BCMCPU_IS_6338())
+ if (unit == 1 && (BCMCPU_IS_6338() || BCMCPU_IS_6345()))
return -ENODEV;
- if (!shared_device_registered) {
- shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
- shared_res[0].end = shared_res[0].start;
- if (BCMCPU_IS_6338())
- shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1;
- else
- shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
-
- ret = platform_device_register(&bcm63xx_enet_shared_device);
- if (ret)
- return ret;
- shared_device_registered = 1;
- }
+ ret = register_shared();
+ if (ret)
+ return ret;
if (unit == 0) {
enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
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;
+}
projects / karo-tx-linux.git / blobdiff