Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 360038
b: refs/heads/master
c: 740c606
h: refs/heads/master
v: v3
  • Loading branch information
John Crispin committed Feb 16, 2013
1 parent 418cc0f commit bffba96
Show file tree
Hide file tree
Showing 7 changed files with 70 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 3d18c17e4f1699c3a4f47d2483c5d4c3ab3a242b
refs/heads/master: 740c606e8e79c3e3800afbc32b4e6123da403d6c
1 change: 1 addition & 0 deletions trunk/arch/mips/include/asm/mach-lantiq/lantiq.h
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ extern void clk_deactivate(struct clk *clk);
extern struct clk *clk_get_cpu(void);
extern struct clk *clk_get_fpi(void);
extern struct clk *clk_get_io(void);
extern struct clk *clk_get_ppe(void);

/* find out what bootsource we have */
extern unsigned char ltq_boot_select(void);
Expand Down
12 changes: 10 additions & 2 deletions trunk/arch/mips/lantiq/clk.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,13 +26,15 @@
#include "prom.h"

/* lantiq socs have 3 static clocks */
static struct clk cpu_clk_generic[3];
static struct clk cpu_clk_generic[4];

void clkdev_add_static(unsigned long cpu, unsigned long fpi, unsigned long io)
void clkdev_add_static(unsigned long cpu, unsigned long fpi,
unsigned long io, unsigned long ppe)
{
cpu_clk_generic[0].rate = cpu;
cpu_clk_generic[1].rate = fpi;
cpu_clk_generic[2].rate = io;
cpu_clk_generic[3].rate = ppe;
}

struct clk *clk_get_cpu(void)
Expand All @@ -51,6 +53,12 @@ struct clk *clk_get_io(void)
return &cpu_clk_generic[2];
}

struct clk *clk_get_ppe(void)
{
return &cpu_clk_generic[3];
}
EXPORT_SYMBOL_GPL(clk_get_ppe);

static inline int clk_good(struct clk *clk)
{
return clk && !IS_ERR(clk);
Expand Down
7 changes: 6 additions & 1 deletion trunk/arch/mips/lantiq/clk.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,12 +27,15 @@
#define CLOCK_167M 166666667
#define CLOCK_196_608M 196608000
#define CLOCK_200M 200000000
#define CLOCK_222M 222000000
#define CLOCK_240M 240000000
#define CLOCK_250M 250000000
#define CLOCK_266M 266666666
#define CLOCK_300M 300000000
#define CLOCK_333M 333333333
#define CLOCK_393M 393215332
#define CLOCK_400M 400000000
#define CLOCK_450M 450000000
#define CLOCK_500M 500000000
#define CLOCK_600M 600000000

Expand Down Expand Up @@ -64,15 +67,17 @@ struct clk {
};

extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
unsigned long io);
unsigned long io, unsigned long ppe);

extern unsigned long ltq_danube_cpu_hz(void);
extern unsigned long ltq_danube_fpi_hz(void);
extern unsigned long ltq_danube_pp32_hz(void);

extern unsigned long ltq_ar9_cpu_hz(void);
extern unsigned long ltq_ar9_fpi_hz(void);

extern unsigned long ltq_vr9_cpu_hz(void);
extern unsigned long ltq_vr9_fpi_hz(void);
extern unsigned long ltq_vr9_pp32_hz(void);

#endif
4 changes: 2 additions & 2 deletions trunk/arch/mips/lantiq/falcon/sysctrl.c
Original file line number Diff line number Diff line change
Expand Up @@ -241,9 +241,9 @@ void __init ltq_soc_init(void)

/* get our 3 static rates for cpu, fpi and io clocks */
if (ltq_sys1_r32(SYS1_CPU0CC) & CPU0CC_CPUDIV)
clkdev_add_static(CLOCK_200M, CLOCK_100M, CLOCK_200M);
clkdev_add_static(CLOCK_200M, CLOCK_100M, CLOCK_200M, 0);
else
clkdev_add_static(CLOCK_400M, CLOCK_100M, CLOCK_200M);
clkdev_add_static(CLOCK_400M, CLOCK_100M, CLOCK_200M, 0);

/* add our clock domains */
clkdev_add_sys("1d810000.gpio", SYSCTL_SYSETH, ACTS_P0);
Expand Down
43 changes: 43 additions & 0 deletions trunk/arch/mips/lantiq/xway/clk.c
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,29 @@ unsigned long ltq_danube_cpu_hz(void)
}
}

unsigned long ltq_danube_pp32_hz(void)
{
unsigned int clksys = (ltq_cgu_r32(CGU_SYS) >> 7) & 3;
unsigned long clk;

switch (clksys) {
case 1:
clk = CLOCK_240M;
break;
case 2:
clk = CLOCK_222M;
break;
case 3:
clk = CLOCK_133M;
break;
default:
clk = CLOCK_266M;
break;
}

return clk;
}

unsigned long ltq_ar9_sys_hz(void)
{
if (((ltq_cgu_r32(CGU_SYS) >> 3) & 0x3) == 0x2)
Expand Down Expand Up @@ -149,3 +172,23 @@ unsigned long ltq_vr9_fpi_hz(void)

return clk;
}

unsigned long ltq_vr9_pp32_hz(void)
{
unsigned int clksys = (ltq_cgu_r32(CGU_SYS) >> 16) & 3;
unsigned long clk;

switch (clksys) {
case 1:
clk = CLOCK_450M;
break;
case 2:
clk = CLOCK_300M;
break;
default:
clk = CLOCK_500M;
break;
}

return clk;
}
12 changes: 7 additions & 5 deletions trunk/arch/mips/lantiq/xway/sysctrl.c
Original file line number Diff line number Diff line change
Expand Up @@ -356,14 +356,16 @@ void __init ltq_soc_init(void)

if (of_machine_is_compatible("lantiq,ase")) {
if (ltq_cgu_r32(CGU_SYS) & (1 << 5))
clkdev_add_static(CLOCK_266M, CLOCK_133M, CLOCK_133M);
clkdev_add_static(CLOCK_266M, CLOCK_133M,
CLOCK_133M, CLOCK_266M);
else
clkdev_add_static(CLOCK_133M, CLOCK_133M, CLOCK_133M);
clkdev_add_static(CLOCK_133M, CLOCK_133M,
CLOCK_133M, CLOCK_133M);
clkdev_add_cgu("1e180000.etop", "ephycgu", CGU_EPHY),
clkdev_add_pmu("1e180000.etop", "ephy", 0, PMU_EPHY);
} else if (of_machine_is_compatible("lantiq,vr9")) {
clkdev_add_static(ltq_vr9_cpu_hz(), ltq_vr9_fpi_hz(),
ltq_vr9_fpi_hz());
ltq_vr9_fpi_hz(), ltq_vr9_pp32_hz());
clkdev_add_pmu("1d900000.pcie", "phy", 1, PMU1_PCIE_PHY);
clkdev_add_pmu("1d900000.pcie", "bus", 0, PMU_PCIE_CLK);
clkdev_add_pmu("1d900000.pcie", "msi", 1, PMU1_PCIE_MSI);
Expand All @@ -376,10 +378,10 @@ void __init ltq_soc_init(void)
PMU_PPE_QSB | PMU_PPE_TOP);
} else if (of_machine_is_compatible("lantiq,ar9")) {
clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
ltq_ar9_fpi_hz());
ltq_ar9_fpi_hz(), CLOCK_250M);
clkdev_add_pmu("1e180000.etop", "switch", 0, PMU_SWITCH);
} else {
clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
ltq_danube_fpi_hz());
ltq_danube_fpi_hz(), ltq_danube_pp32_hz());
}
}

0 comments on commit bffba96

Please sign in to comment.