hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: davinci: da850: switch to using the clocksource driver 

We now have a proper clocksource driver for davinci. Switch the da850
platform to using it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartosz Golaszewski 2019-07-22 15:17:41 +02:00 committed by Sekhar Nori
parent d470df3bc5
commit 76c7473f75
1 changed files with 13 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
arch/arm/mach-davinci/da850.c
View File

@ -35,7 +35,8 @@
#include <mach/cputype.h>
#include <mach/da8xx.h>
#include <mach/pm.h>
#include <mach/time.h>
#include <clocksource/timer-davinci.h>
#include "irqs.h"
#include "mux.h"
@ -333,38 +334,16 @@ static struct davinci_id da850_ids[] = {
},
};
static struct davinci_timer_instance da850_timer_instance[4] = {
{
.base = DA8XX_TIMER64P0_BASE,
.bottom_irq = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0),
.top_irq = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0),
},
{
.base = DA8XX_TIMER64P1_BASE,
.bottom_irq = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_1),
.top_irq = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_1),
},
{
.base = DA850_TIMER64P2_BASE,
.bottom_irq = DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_2),
.top_irq = DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_2),
},
{
.base = DA850_TIMER64P3_BASE,
.bottom_irq = DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_3),
.top_irq = DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_3),
},
};
/*
* T0_BOT: Timer 0, bottom : Used for clock_event
* T0_TOP: Timer 0, top : Used for clocksource
* T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
* Bottom half of timer 0 is used for clock_event, top half for
* clocksource.
*/
static struct davinci_timer_info da850_timer_info = {
.timers = da850_timer_instance,
.clockevent_id = T0_BOT,
.clocksource_id = T0_TOP,
static const struct davinci_timer_cfg da850_timer_cfg = {
.reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K),
.irq = {
DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)),
DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)),
},
};
#ifdef CONFIG_CPU_FREQ
@ -635,7 +614,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = {
.pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
.pinmux_pins = da850_pins,
.pinmux_pins_num = ARRAY_SIZE(da850_pins),
.timer_info = &da850_timer_info,
.emac_pdata = &da8xx_emac_pdata,
.sram_dma = DA8XX_SHARED_RAM_BASE,
.sram_len = SZ_128K,
@ -672,6 +650,7 @@ void __init da850_init_time(void)
void __iomem *pll0;
struct regmap *cfgchip;
struct clk *clk;
int rv;
clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ);
@ -686,7 +665,8 @@ void __init da850_init_time(void)
return;
}
davinci_timer_init(clk);
rv = davinci_timer_register(clk, &da850_timer_cfg);
WARN(rv, "Unable to register the timer: %d\n", rv);
}
static struct resource da850_pll1_resources[] = {