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85xx,86xx: Determine I2C clock frequencies and store in global_data

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Update global_data to define i2c1_clk and i2c2_clk to 85xx and 86xx.

Update the get_clocks() function in 85xx and 86xx to determine the I2C
clock frequency and store it in gd->i2c1_clk and gd->i2c2_clk.

Signed-off-by: Timur Tabi <timur@freescale.com>
This commit is contained in:
Timur Tabi 2008-01-09 14:35:26 -06:00 committed by Andrew Fleming-AFLEMING
parent 2c5260f711
commit e56b4b494c
3 changed files with 9 additions and 2 deletions
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3
cpu/mpc85xx/speed.c
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@ -75,6 +75,9 @@ int get_clocks (void)
get_sys_info (&sys_info);
gd->cpu_clk = sys_info.freqProcessor;
gd->bus_clk = sys_info.freqSystemBus;
gd->i2c1_clk = sys_info.freqSystemBus;
gd->i2c2_clk = sys_info.freqSystemBus;
#if defined(CONFIG_CPM2)
gd->vco_out = 2*sys_info.freqSystemBus;
gd->cpm_clk = gd->vco_out / 2;

2
cpu/mpc86xx/speed.c
View file

@ -105,6 +105,8 @@ int get_clocks(void)
get_sys_info(&sys_info);
gd->cpu_clk = sys_info.freqProcessor;
gd->bus_clk = sys_info.freqSystemBus;
gd->i2c1_clk = sys_info.freqSystemBus;
gd->i2c2_clk = sys_info.freqSystemBus;
if (gd->cpu_clk != 0)
return 0;

6
include/asm-ppc/global_data.h
View file

@ -70,8 +70,6 @@ typedef struct global_data {
u32 sdhc_clk;
#endif
u32 core_clk;
u32 i2c1_clk;
u32 i2c2_clk;
u32 enc_clk;
u32 lbiu_clk;
u32 lclk_clk;
@ -88,6 +86,10 @@ typedef struct global_data {
u32 ddr_sec_clk;
#endif /* CONFIG_MPC8360 */
#endif
#if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
u32 i2c1_clk;
u32 i2c2_clk;
#endif
#if defined(CONFIG_QE)
u32 qe_clk;
u32 brg_clk;