summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91rm9200/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-at91rm9200/clock.c')
-rw-r--r--arch/arm/mach-at91rm9200/clock.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c
index a43b061a7c85..4dee21fefe5a 100644
--- a/arch/arm/mach-at91rm9200/clock.c
+++ b/arch/arm/mach-at91rm9200/clock.c
@@ -28,6 +28,8 @@
#include <asm/mach-types.h>
#include <asm/hardware.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/cpu.h>
#include "clock.h"
@@ -41,6 +43,7 @@
#define clk_is_primary(x) ((x)->type & CLK_TYPE_PRIMARY)
#define clk_is_programmable(x) ((x)->type & CLK_TYPE_PROGRAMMABLE)
#define clk_is_peripheral(x) ((x)->type & CLK_TYPE_PERIPHERAL)
+#define clk_is_sys(x) ((x)->type & CLK_TYPE_SYSTEM)
static LIST_HEAD(clocks);
@@ -114,13 +117,11 @@ static void pmc_sys_mode(struct clk *clk, int is_on)
static struct clk udpck = {
.name = "udpck",
.parent = &pllb,
- .pmc_mask = AT91_PMC_UDP,
.mode = pmc_sys_mode,
};
static struct clk uhpck = {
.name = "uhpck",
.parent = &pllb,
- .pmc_mask = AT91_PMC_UHP,
.mode = pmc_sys_mode,
};
@@ -434,6 +435,12 @@ int __init clk_register(struct clk *clk)
clk->mode = pmc_periph_mode;
list_add_tail(&clk->node, &clocks);
}
+ else if (clk_is_sys(clk)) {
+ clk->parent = &mck;
+ clk->mode = pmc_sys_mode;
+
+ list_add_tail(&clk->node, &clocks);
+ }
#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
else if (clk_is_programmable(clk)) {
clk->mode = pmc_sys_mode;
@@ -586,9 +593,21 @@ int __init at91_clock_init(unsigned long main_clock)
*/
at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
- at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_UDP);
+ if (cpu_is_at91rm9200()) {
+ uhpck.pmc_mask = AT91RM9200_PMC_UHP;
+ udpck.pmc_mask = AT91RM9200_PMC_UDP;
+ at91_sys_write(AT91_PMC_SCDR, AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP);
+ at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP);
+ } else if (cpu_is_at91sam9260()) {
+ uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
+ udpck.pmc_mask = AT91SAM926x_PMC_UDP;
+ at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP);
+ } else if (cpu_is_at91sam9261()) {
+ uhpck.pmc_mask = (AT91SAM926x_PMC_UHP | AT91_PMC_HCK0);
+ udpck.pmc_mask = AT91SAM926x_PMC_UDP;
+ at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91_PMC_HCK0 | AT91SAM926x_PMC_UDP);
+ }
at91_sys_write(AT91_CKGR_PLLBR, 0);
- at91_sys_write(AT91_PMC_SCER, AT91_PMC_MCKUDP);
udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
OpenPOWER on IntegriCloud