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freifunkist-firmware/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-dev...

85 lines
2.1 KiB

--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -15,6 +15,7 @@
#include <linux/reboot.h>
struct mtd_partition;
+struct gemini_gmac_platform_data;
extern void gemini_map_io(void);
extern void gemini_init_irq(void);
@@ -28,6 +29,7 @@ extern int platform_register_pflash(unsi
struct mtd_partition *parts,
unsigned int nr_parts);
extern int platform_register_watchdog(void);
+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
extern void gemini_restart(enum reboot_mode mode, const char *cmd);
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -17,6 +17,7 @@
#include <mach/irqs.h>
#include <mach/hardware.h>
#include <mach/global_reg.h>
+#include <mach/gmac.h>
static struct plat_serial8250_port serial_platform_data[] = {
{
@@ -133,3 +134,56 @@ int __init platform_register_watchdog(vo
{
return platform_device_register(&wdt_device);
}
+
+static struct resource gmac_resources[] = {
+ {
+ .start = GEMINI_TOE_BASE,
+ .end = GEMINI_TOE_BASE + 0xffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_GMAC0,
+ .end = IRQ_GMAC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_GMAC1,
+ .end = IRQ_GMAC1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 gmac_dmamask = 0xffffffffUL;
+
+static struct platform_device ethernet_device = {
+ .name = "gmac-gemini",
+ .id = 0,
+ .dev = {
+ .dma_mask = &gmac_dmamask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(gmac_resources),
+ .resource = gmac_resources,
+};
+
+int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
+{
+ unsigned int reg;
+
+ reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+
+ reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
+
+ if (pdata->bus_id[1])
+ reg |= GMAC_1_ENABLE;
+ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
+ reg |= GMAC_GMII;
+
+ writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+ GLOBAL_MISC_CTRL));
+
+ ethernet_device.dev.platform_data = pdata;
+
+ return platform_device_register(&ethernet_device);
+}