diff options
Diffstat (limited to 'arch/arm/mach-davinci/dm644x.c')
| -rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 1b9e9a6192ef..24988939ae46 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -27,7 +27,8 @@ #include <mach/cputype.h> #include <mach/mux.h> #include <mach/serial.h> -#include <mach/time.h> + +#include <clocksource/timer-davinci.h> #include "asp.h" #include "davinci.h" @@ -561,15 +562,15 @@ static struct davinci_id dm644x_ids[] = { }; /* - * T0_BOT: Timer 0, bottom: clockevent source for hrtimers - * T0_TOP: Timer 0, top : clocksource for generic timekeeping - * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code) - * T1_TOP: Timer 1, top : <unused> + * Bottom half of timer0 is used for clockevent, top half is used for + * clocksource. */ -static struct davinci_timer_info dm644x_timer_info = { - .timers = davinci_timer_instance, - .clockevent_id = T0_BOT, - .clocksource_id = T0_TOP, +static const struct davinci_timer_cfg dm644x_timer_cfg = { + .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K), + .irq = { + DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)), + DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)), + }, }; static struct plat_serial8250_port dm644x_serial0_platform_data[] = { @@ -647,7 +648,6 @@ static const struct davinci_soc_info davinci_soc_info_dm644x = { .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, .pinmux_pins = dm644x_pins, .pinmux_pins_num = ARRAY_SIZE(dm644x_pins), - .timer_info = &dm644x_timer_info, .emac_pdata = &dm644x_emac_pdata, .sram_dma = 0x00008000, .sram_len = SZ_16K, @@ -669,6 +669,7 @@ void __init dm644x_init_time(void) { void __iomem *pll1, *psc; struct clk *clk; + int rv; clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ); @@ -679,8 +680,13 @@ void __init dm644x_init_time(void) dm644x_psc_init(NULL, psc); clk = clk_get(NULL, "timer0"); + if (WARN_ON(IS_ERR(clk))) { + pr_err("Unable to get the timer clock\n"); + return; + } - davinci_timer_init(clk); + rv = davinci_timer_register(clk, &dm644x_timer_cfg); + WARN(rv, "Unable to register the timer: %d\n", rv); } static struct resource dm644x_pll2_resources[] = { |