diff options
| author | Brian Swetland <swetland@google.com> | 2006-06-27 03:16:03 +0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2006-06-27 03:16:03 +0400 |
| commit | 495f71db30e279a5a696fa6622fc75451caa8366 (patch) | |
| tree | 84c923fe4688dc88ecf696885a13b7ad42695100 /arch/arm/mach-omap1/clock.c | |
| parent | ffb7a80f932550590ef54791b60db7e6ffce63f3 (diff) | |
| download | linux-495f71db30e279a5a696fa6622fc75451caa8366.tar.xz | |
ARM: OMAP: Add core fsample support
This patch adds core support for the TI F-Sample Board (OMAP 850).
Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1/clock.c')
| -rw-r--r-- | arch/arm/mach-omap1/clock.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 619db18144ea..f1958e882e86 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -1,3 +1,4 @@ +//kernel/linux-omap-fsample/arch/arm/mach-omap1/clock.c#2 - edit change 3808 (text) /* * linux/arch/arm/mach-omap1/clock.c * @@ -20,6 +21,7 @@ #include <asm/io.h> +#include <asm/arch/cpu.h> #include <asm/arch/usb.h> #include <asm/arch/clock.h> #include <asm/arch/sram.h> @@ -270,8 +272,12 @@ static int omap1_select_table_rate(struct clk * clk, unsigned long rate) /* * In most cases we should not need to reprogram DPLL. * Reprogramming the DPLL is tricky, it must be done from SRAM. + * (on 730, bit 13 must always be 1) */ - omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val); + if (cpu_is_omap730()) + omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val | 0x2000); + else + omap_sram_reprogram_clock(ptr->dpllctl_val, ptr->ckctl_val); ck_dpll1.rate = ptr->pll_rate; propagate_rate(&ck_dpll1); @@ -748,7 +754,7 @@ int __init omap1_clk_init(void) printk(KERN_ERR "System frequencies not set. Check your config.\n"); /* Guess sane values (60MHz) */ omap_writew(0x2290, DPLL_CTL); - omap_writew(0x1005, ARM_CKCTL); + omap_writew(cpu_is_omap730() ? 0x3005 : 0x1005, ARM_CKCTL); ck_dpll1.rate = 60000000; propagate_rate(&ck_dpll1); } @@ -761,13 +767,17 @@ int __init omap1_clk_init(void) ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10, arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10); -#ifdef CONFIG_MACH_OMAP_PERSEUS2 +#if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE) /* Select slicer output as OMAP input clock */ omap_writew(omap_readw(OMAP730_PCC_UPLD_CTRL) & ~0x1, OMAP730_PCC_UPLD_CTRL); #endif /* Turn off DSP and ARM_TIMXO. Make sure ARM_INTHCK is not divided */ - omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL); + /* (on 730, bit 13 must not be cleared) */ + if (cpu_is_omap730()) + omap_writew(omap_readw(ARM_CKCTL) & 0x2fff, ARM_CKCTL); + else + omap_writew(omap_readw(ARM_CKCTL) & 0x0fff, ARM_CKCTL); /* Put DSP/MPUI into reset until needed */ omap_writew(0, ARM_RSTCT1); |