[PATCH 1/2] mx25: add support for FEC on i.MX25
Baruch Siach
baruch at tkos.co.il
Mon Dec 21 06:44:31 EST 2009
---
arch/arm/mach-mx25/clock.c | 2 ++
arch/arm/mach-mx25/devices.c | 19 +++++++++++++++++++
arch/arm/mach-mx25/devices.h | 1 +
arch/arm/plat-mxc/include/mach/mx25.h | 4 ++++
4 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index dbbbcc6..ea8c3da 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -173,6 +173,7 @@ DEFINE_CLOCK(pwm4_clk, 0, CCM_CGCR2, 2, get_rate_ipg, NULL);
DEFINE_CLOCK(kpp_clk, 0, CCM_CGCR1, 28, get_rate_ipg, NULL);
DEFINE_CLOCK(tsc_clk, 0, CCM_CGCR2, 13, get_rate_ipg, NULL);
DEFINE_CLOCK(i2c_clk, 0, CCM_CGCR0, 6, get_rate_i2c, NULL);
+DEFINE_CLOCK(fec_clk, 0, CCM_CGCR0, 23, get_rate_ipg, NULL);
#define _REGISTER_CLOCK(d, n, c) \
{ \
@@ -204,6 +205,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
_REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
+ _REGISTER_CLOCK("fec.0", NULL, fec_clk)
};
int __init mx25_clocks_init(unsigned long fref)
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 63511de..9fdeea1 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -419,3 +419,22 @@ int __init mxc_register_gpios(void)
return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}
+static struct resource mx25_fec_resources[] = {
+ {
+ .start = MX25_FEC_BASE_ADDR,
+ .end = MX25_FEC_BASE_ADDR + 0xfff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = MX25_INT_FEC,
+ .end = MX25_INT_FEC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device mx25_fec_device = {
+ .name = "fec",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mx25_fec_resources),
+ .resource = mx25_fec_resources,
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index fe6bf88..fe5420f 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -17,3 +17,4 @@ extern struct platform_device mxc_keypad_device;
extern struct platform_device mxc_i2c_device0;
extern struct platform_device mxc_i2c_device1;
extern struct platform_device mxc_i2c_device2;
+extern struct platform_device mx25_fec_device;
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index ec64bd9..106f651 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -41,4 +41,8 @@
#define UART1_BASE_ADDR 0x43f90000
#define UART2_BASE_ADDR 0x43f94000
+#define MX25_FEC_BASE_ADDR 0x50038000
+
+#define MX25_INT_FEC 57
+
#endif /* __MACH_MX25_H__ */
--
1.6.5
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