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-rw-r--r--arch/arm/mach-at91rm9200/clock.c26
-rw-r--r--arch/arm/mach-at91rm9200/clock.h1
-rw-r--r--arch/arm/mach-at91rm9200/pm.c13
3 files changed, 33 insertions, 7 deletions
diff --git a/arch/arm/mach-at91rm9200/clock.c b/arch/arm/mach-at91rm9200/clock.c
index 1e0000ceb343..4dee21fefe5a 100644
--- a/arch/arm/mach-at91rm9200/clock.c
+++ b/arch/arm/mach-at91rm9200/clock.c
@@ -29,6 +29,7 @@
29 29
30#include <asm/hardware.h> 30#include <asm/hardware.h>
31#include <asm/arch/at91_pmc.h> 31#include <asm/arch/at91_pmc.h>
32#include <asm/arch/cpu.h>
32 33
33#include "clock.h" 34#include "clock.h"
34 35
@@ -42,6 +43,7 @@
42#define clk_is_primary(x) ((x)->type & CLK_TYPE_PRIMARY) 43#define clk_is_primary(x) ((x)->type & CLK_TYPE_PRIMARY)
43#define clk_is_programmable(x) ((x)->type & CLK_TYPE_PROGRAMMABLE) 44#define clk_is_programmable(x) ((x)->type & CLK_TYPE_PROGRAMMABLE)
44#define clk_is_peripheral(x) ((x)->type & CLK_TYPE_PERIPHERAL) 45#define clk_is_peripheral(x) ((x)->type & CLK_TYPE_PERIPHERAL)
46#define clk_is_sys(x) ((x)->type & CLK_TYPE_SYSTEM)
45 47
46 48
47static LIST_HEAD(clocks); 49static LIST_HEAD(clocks);
@@ -115,13 +117,11 @@ static void pmc_sys_mode(struct clk *clk, int is_on)
115static struct clk udpck = { 117static struct clk udpck = {
116 .name = "udpck", 118 .name = "udpck",
117 .parent = &pllb, 119 .parent = &pllb,
118 .pmc_mask = AT91_PMC_UDP,
119 .mode = pmc_sys_mode, 120 .mode = pmc_sys_mode,
120}; 121};
121static struct clk uhpck = { 122static struct clk uhpck = {
122 .name = "uhpck", 123 .name = "uhpck",
123 .parent = &pllb, 124 .parent = &pllb,
124 .pmc_mask = AT91_PMC_UHP,
125 .mode = pmc_sys_mode, 125 .mode = pmc_sys_mode,
126}; 126};
127 127
@@ -435,6 +435,12 @@ int __init clk_register(struct clk *clk)
435 clk->mode = pmc_periph_mode; 435 clk->mode = pmc_periph_mode;
436 list_add_tail(&clk->node, &clocks); 436 list_add_tail(&clk->node, &clocks);
437 } 437 }
438 else if (clk_is_sys(clk)) {
439 clk->parent = &mck;
440 clk->mode = pmc_sys_mode;
441
442 list_add_tail(&clk->node, &clocks);
443 }
438#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS 444#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
439 else if (clk_is_programmable(clk)) { 445 else if (clk_is_programmable(clk)) {
440 clk->mode = pmc_sys_mode; 446 clk->mode = pmc_sys_mode;
@@ -587,9 +593,21 @@ int __init at91_clock_init(unsigned long main_clock)
587 */ 593 */
588 at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M; 594 at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) | AT91_PMC_USB96M;
589 pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init); 595 pllb.rate_hz = at91_pll_rate(&pllb, main_clock, at91_pllb_usb_init);
590 at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_UDP); 596 if (cpu_is_at91rm9200()) {
597 uhpck.pmc_mask = AT91RM9200_PMC_UHP;
598 udpck.pmc_mask = AT91RM9200_PMC_UDP;
599 at91_sys_write(AT91_PMC_SCDR, AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP);
600 at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP);
601 } else if (cpu_is_at91sam9260()) {
602 uhpck.pmc_mask = AT91SAM926x_PMC_UHP;
603 udpck.pmc_mask = AT91SAM926x_PMC_UDP;
604 at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP);
605 } else if (cpu_is_at91sam9261()) {
606 uhpck.pmc_mask = (AT91SAM926x_PMC_UHP | AT91_PMC_HCK0);
607 udpck.pmc_mask = AT91SAM926x_PMC_UDP;
608 at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91_PMC_HCK0 | AT91SAM926x_PMC_UDP);
609 }
591 at91_sys_write(AT91_CKGR_PLLBR, 0); 610 at91_sys_write(AT91_CKGR_PLLBR, 0);
592 at91_sys_write(AT91_PMC_SCER, AT91_PMC_MCKUDP);
593 611
594 udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); 612 udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
595 uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); 613 uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
diff --git a/arch/arm/mach-at91rm9200/clock.h b/arch/arm/mach-at91rm9200/clock.h
index 0592e662ab37..b5c7a2eb2d1d 100644
--- a/arch/arm/mach-at91rm9200/clock.h
+++ b/arch/arm/mach-at91rm9200/clock.h
@@ -10,6 +10,7 @@
10#define CLK_TYPE_PLL 0x2 10#define CLK_TYPE_PLL 0x2
11#define CLK_TYPE_PROGRAMMABLE 0x4 11#define CLK_TYPE_PROGRAMMABLE 0x4
12#define CLK_TYPE_PERIPHERAL 0x8 12#define CLK_TYPE_PERIPHERAL 0x8
13#define CLK_TYPE_SYSTEM 0x10
13 14
14 15
15struct clk { 16struct clk {
diff --git a/arch/arm/mach-at91rm9200/pm.c b/arch/arm/mach-at91rm9200/pm.c
index 5b775fac1c6b..67aa5572a3ea 100644
--- a/arch/arm/mach-at91rm9200/pm.c
+++ b/arch/arm/mach-at91rm9200/pm.c
@@ -29,6 +29,7 @@
29#include <asm/arch/at91_pmc.h> 29#include <asm/arch/at91_pmc.h>
30#include <asm/arch/at91rm9200_mc.h> 30#include <asm/arch/at91rm9200_mc.h>
31#include <asm/arch/gpio.h> 31#include <asm/arch/gpio.h>
32#include <asm/arch/cpu.h>
32 33
33#include "generic.h" 34#include "generic.h"
34 35
@@ -70,9 +71,15 @@ static int at91_pm_verify_clocks(void)
70 scsr = at91_sys_read(AT91_PMC_SCSR); 71 scsr = at91_sys_read(AT91_PMC_SCSR);
71 72
72 /* USB must not be using PLLB */ 73 /* USB must not be using PLLB */
73 if ((scsr & (AT91_PMC_UHP | AT91_PMC_UDP)) != 0) { 74 if (cpu_is_at91rm9200()) {
74 pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n"); 75 if ((scsr & (AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP)) != 0) {
75 return 0; 76 pr_debug("AT91: PM - Suspend-to-RAM with USB still active\n");
77 return 0;
78 }
79 } else if (cpu_is_at91sam9260()) {
80#warning "Check SAM9260 USB clocks"
81 } else if (cpu_is_at91sam9261()) {
82#warning "Check SAM9261 USB clocks"
76 } 83 }
77 84
78#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS 85#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS