This patch should resolve the compilation issues on 547x/548x cpus.
Best regards
On gio, 2008-03-27 at 10:11 +0100, Luigi 'Comio' Mantellini wrote:
>
> This patch seems incompatible with cf547x/548x cpus because the cpu
> specific global data doesn't define the i2c1_clk / i2c2_clk
> attributes.
>
> Best regards,
>
> luigi
>
> On ven, 2008-03-14 at 17:45 -0500, Timur Tabi wrote:
> > Add support to the Freescale I2C driver (fsl_i2c.c) for setting and querying
> > the I2C bus speed. Current 8[356]xx boards define the CFG_I2C_SPEED macro,
> > but fsl_i2c.c ignores it and uses conservative value when programming the
> > I2C bus speed.
> >
--
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diff --git a/cpu/mcf547x_8x/speed.c b/cpu/mcf547x_8x/speed.c
index 389e7c9..80fea09 100644
--- a/cpu/mcf547x_8x/speed.c
+++ b/cpu/mcf547x_8x/speed.c
@@ -39,5 +39,8 @@ int get_clocks(void)
gd->bus_clk = CFG_CLK;
gd->cpu_clk = (gd->bus_clk * 2);
+
+ gd->i2c1_clk = gd->bus_clk;
+
return (0);
}
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index dde0571..00e7d49 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -367,7 +367,11 @@ int i2c_set_bus_num(unsigned int bus)
int i2c_set_bus_speed(unsigned int speed)
{
+#ifdef CFG_I2C2_OFFSET
unsigned int i2c_clk = (i2c_bus_num == 1) ? gd->i2c2_clk : gd->i2c1_clk;
+#else
+ unsigned int i2c_clk = gd->i2c1_clk;
+#endif
writeb(0, &i2c_dev[i2c_bus_num]->cr); /* stop controller */
i2c_bus_speed[i2c_bus_num] =
diff --git a/include/asm-m68k/global_data.h b/include/asm-m68k/global_data.h
index 958736e..d0112cd 100644
--- a/include/asm-m68k/global_data.h
+++ b/include/asm-m68k/global_data.h
@@ -47,6 +47,9 @@ typedef struct global_data {
unsigned long vco_clk;
unsigned long flb_clk;
#endif
+#ifdef CONFIG_MCF547x_8x
+ u32 i2c1_clk;
+#endif
unsigned long ram_size; /* RAM size */
unsigned long reloc_off; /* Relocation Offset */
unsigned long reset_status; /* reset status register at boot */
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