Root/target/linux/gemini/patches-3.3/121-arm-gemini-add-ethernet-device.patch

1--- a/arch/arm/mach-gemini/common.h
2+++ b/arch/arm/mach-gemini/common.h
3@@ -13,6 +13,7 @@
4 #define __GEMINI_COMMON_H__
5 
6 struct mtd_partition;
7+struct gemini_gmac_platform_data;
8 
9 extern void gemini_map_io(void);
10 extern void gemini_init_irq(void);
11@@ -26,5 +27,6 @@ extern int platform_register_pflash(unsi
12                     struct mtd_partition *parts,
13                     unsigned int nr_parts);
14 extern int platform_register_watchdog(void);
15+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
16 
17 #endif /* __GEMINI_COMMON_H__ */
18--- a/arch/arm/mach-gemini/devices.c
19+++ b/arch/arm/mach-gemini/devices.c
20@@ -17,6 +17,7 @@
21 #include <mach/irqs.h>
22 #include <mach/hardware.h>
23 #include <mach/global_reg.h>
24+#include <mach/gmac.h>
25 #include "common.h"
26 
27 static struct plat_serial8250_port serial_platform_data[] = {
28@@ -134,3 +135,53 @@ int __init platform_register_watchdog(vo
29 {
30     return platform_device_register(&wdt_device);
31 }
32+
33+static struct resource gmac_resources[] = {
34+ {
35+ .start = 0x60000000,
36+ .end = 0x6000ffff,
37+ .flags = IORESOURCE_MEM,
38+ },
39+ {
40+ .start = IRQ_GMAC0,
41+ .end = IRQ_GMAC0,
42+ .flags = IORESOURCE_IRQ,
43+ },
44+ {
45+ .start = IRQ_GMAC1,
46+ .end = IRQ_GMAC1,
47+ .flags = IORESOURCE_IRQ,
48+ },
49+};
50+
51+static u64 gmac_dmamask = 0xffffffffUL;
52+
53+static struct platform_device ethernet_device = {
54+ .name = "gemini-gmac",
55+ .id = 0,
56+ .dev = {
57+ .dma_mask = &gmac_dmamask,
58+ .coherent_dma_mask = DMA_BIT_MASK(32),
59+ },
60+ .num_resources = ARRAY_SIZE(gmac_resources),
61+ .resource = gmac_resources,
62+};
63+
64+int __init platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
65+{
66+ unsigned int reg;
67+
68+ reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
69+ reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
70+
71+ if (pdata->bus_id[1])
72+ reg |= GMAC_1_ENABLE;
73+ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
74+ reg |= GMAC_GMII;
75+
76+ __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
77+
78+ ethernet_device.dev.platform_data = pdata;
79+
80+ return platform_device_register(&ethernet_device);
81+}
82

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