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Code

cosmetic fix: properly indent source

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8425 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico 2007-08-18 17:02:26 +00:00
parent e1049ec392
commit 908c9bf7f6
1 changed files with 111 additions and 113 deletions
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224
target/linux/ar7-2.6/files/arch/mips/ar7/clock.c
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@ -135,7 +135,7 @@ static void approximate(int base, int target, int *prediv,
} }
static void calculate(int base, int target, int *prediv, int *postdiv, static void calculate(int base, int target, int *prediv, int *postdiv,
int *mul) int *mul)
{ {
int tmp_gcd, tmp_base, tmp_freq; int tmp_gcd, tmp_base, tmp_freq;
@ -179,7 +179,7 @@ static int tnetd7300_dsp_clock(void)
} }
static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock, static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock,
u32 *bootcr, u32 bus_clock) u32 *bootcr, u32 bus_clock)
{ {
int product; int product;
int base_clock = ar7_ref_clock; int base_clock = ar7_ref_clock;
@ -225,7 +225,7 @@ static int tnetd7300_get_clock(u32 shift, struct tnetd7300_clock *clock,
} }
static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock, static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock,
u32 *bootcr, u32 frequency) u32 *bootcr, u32 frequency)
{ {
u32 status; u32 status;
int prediv, postdiv, mul; int prediv, postdiv, mul;
@ -264,30 +264,28 @@ static void __init tnetd7300_init_clocks(void)
struct tnetd7300_clocks *clocks = (struct tnetd7300_clocks *)ioremap_nocache(AR7_REGS_POWER + 0x20, sizeof(struct tnetd7300_clocks)); struct tnetd7300_clocks *clocks = (struct tnetd7300_clocks *)ioremap_nocache(AR7_REGS_POWER + 0x20, sizeof(struct tnetd7300_clocks));
ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT, ar7_bus_clock = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT,
&clocks->bus, bootcr, &clocks->bus, bootcr, ar7_afe_clock);
ar7_afe_clock);
if (*bootcr & BOOT_PLL_ASYNC_MODE) { if (*bootcr & BOOT_PLL_ASYNC_MODE) {
ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT, ar7_cpu_clock = tnetd7300_get_clock(CPU_PLL_SOURCE_SHIFT,
&clocks->cpu, &clocks->cpu, bootcr, ar7_afe_clock);
bootcr, ar7_afe_clock);
} else { } else {
ar7_cpu_clock = ar7_bus_clock; ar7_cpu_clock = ar7_bus_clock;
} }
tnetd7300_set_clock(USB_PLL_SOURCE_SHIFT, &clocks->usb, tnetd7300_set_clock(USB_PLL_SOURCE_SHIFT, &clocks->usb,
bootcr, 48000000); bootcr, 48000000);
if (ar7_dsp_clock == 250000000) if (ar7_dsp_clock == 250000000)
tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp, tnetd7300_set_clock(DSP_PLL_SOURCE_SHIFT, &clocks->dsp,
bootcr, ar7_dsp_clock); bootcr, ar7_dsp_clock);
iounmap(clocks); iounmap(clocks);
iounmap(bootcr); iounmap(bootcr);
} }
static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock, static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock,
u32 *bootcr, u32 bus_clock) u32 *bootcr, u32 bus_clock)
{ {
int divisor = ((clock->prediv & 0x1f) + 1) * int divisor = ((clock->prediv & 0x1f) + 1) *
((clock->postdiv & 0x1f) + 1); ((clock->postdiv & 0x1f) + 1);
@ -300,61 +298,61 @@ static int tnetd7200_get_clock(int base, struct tnetd7200_clock *clock,
static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock, static void tnetd7200_set_clock(int base, struct tnetd7200_clock *clock,
int prediv, int postdiv, int postdiv2, int mul, u32 frequency) int prediv, int postdiv, int postdiv2, int mul, u32 frequency)
{ {
printk("Clocks: base = %d, frequency = %u, prediv = %d, postdiv = %d, postdiv2 = %d, mul = %d\n", printk("Clocks: base = %d, frequency = %u, prediv = %d, postdiv = %d, postdiv2 = %d, mul = %d\n",
base, frequency, prediv, postdiv, postdiv2, mul); base, frequency, prediv, postdiv, postdiv2, mul);
clock->ctrl = 0; clock->ctrl = 0;
clock->prediv = DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F); clock->prediv = DIVISOR_ENABLE_MASK | ((prediv - 1) & 0x1F);
clock->mul = ((mul - 1) & 0xF); clock->mul = ((mul - 1) & 0xF);
for(mul = 0; mul < 2000; mul++) /* nop */; for(mul = 0; mul < 2000; mul++) /* nop */;
while(clock->status & 0x1) /* nop */; while(clock->status & 0x1) /* nop */;
clock->postdiv = DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F); clock->postdiv = DIVISOR_ENABLE_MASK | ((postdiv - 1) & 0x1F);
clock->cmden |= 1; clock->cmden |= 1;
clock->cmd |= 1; clock->cmd |= 1;
while(clock->status & 0x1) /* nop */; while(clock->status & 0x1) /* nop */;
clock->postdiv2 = DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F); clock->postdiv2 = DIVISOR_ENABLE_MASK | ((postdiv2 - 1) & 0x1F);
clock->cmden |= 1; clock->cmden |= 1;
clock->cmd |= 1; clock->cmd |= 1;
while(clock->status & 0x1) /* nop */; while(clock->status & 0x1) /* nop */;
clock->ctrl |= 1; clock->ctrl |= 1;
} }
static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr) static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr)
{ {
if (*bootcr & BOOT_PLL_ASYNC_MODE) { if (*bootcr & BOOT_PLL_ASYNC_MODE) {
// Async // Async
switch (clock_id) { switch (clock_id) {
case TNETD7200_CLOCK_ID_DSP: case TNETD7200_CLOCK_ID_DSP:
return ar7_ref_clock; return ar7_ref_clock;
default: default:
return ar7_afe_clock; return ar7_afe_clock;
} }
} else { } else {
// Sync // Sync
if (*bootcr & BOOT_PLL_2TO1_MODE) { if (*bootcr & BOOT_PLL_2TO1_MODE) {
// 2:1 // 2:1
switch (clock_id) { switch (clock_id) {
case TNETD7200_CLOCK_ID_DSP: case TNETD7200_CLOCK_ID_DSP:
return ar7_ref_clock; return ar7_ref_clock;
default: default:
return ar7_afe_clock; return ar7_afe_clock;
} }
} else { } else {
// 1:1 // 1:1
return ar7_ref_clock; return ar7_ref_clock;
} }
} }
} }
@ -362,91 +360,91 @@ static void __init tnetd7200_init_clocks(void)
{ {
u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
struct tnetd7200_clocks *clocks = (struct tnetd7200_clocks *)ioremap_nocache(AR7_REGS_POWER + 0x80, sizeof(struct tnetd7200_clocks)); struct tnetd7200_clocks *clocks = (struct tnetd7200_clocks *)ioremap_nocache(AR7_REGS_POWER + 0x80, sizeof(struct tnetd7200_clocks));
int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv; int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv;
int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv; int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv;
int usb_base, usb_mul, usb_prediv, usb_postdiv; int usb_base, usb_mul, usb_prediv, usb_postdiv;
/* /*
Log from Fritz!Box 7170 Annex B: Log from Fritz!Box 7170 Annex B:
CPU revision is: 00018448 CPU revision is: 00018448
Clocks: Async mode Clocks: Async mode
Clocks: Setting DSP clock Clocks: Setting DSP clock
Clocks: prediv: 1, postdiv: 1, mul: 5 Clocks: prediv: 1, postdiv: 1, mul: 5
Clocks: base = 25000000, frequency = 125000000, prediv = 1, postdiv = 2, postdiv2 = 1, mul = 10 Clocks: base = 25000000, frequency = 125000000, prediv = 1, postdiv = 2, postdiv2 = 1, mul = 10
Clocks: Setting CPU clock Clocks: Setting CPU clock
Adjusted requested frequency 211000000 to 211968000 Adjusted requested frequency 211000000 to 211968000
Clocks: prediv: 1, postdiv: 1, mul: 6 Clocks: prediv: 1, postdiv: 1, mul: 6
Clocks: base = 35328000, frequency = 211968000, prediv = 1, postdiv = 1, postdiv2 = -1, mul = 6 Clocks: base = 35328000, frequency = 211968000, prediv = 1, postdiv = 1, postdiv2 = -1, mul = 6
Clocks: Setting USB clock Clocks: Setting USB clock
Adjusted requested frequency 48000000 to 48076920 Adjusted requested frequency 48000000 to 48076920
Clocks: prediv: 13, postdiv: 1, mul: 5 Clocks: prediv: 13, postdiv: 1, mul: 5
Clocks: base = 125000000, frequency = 48000000, prediv = 13, postdiv = 1, postdiv2 = -1, mul = 5 Clocks: base = 125000000, frequency = 48000000, prediv = 13, postdiv = 1, postdiv2 = -1, mul = 5
DSL didn't work if you didn't set the postdiv 2:1 postdiv2 combination, driver hung on startup. DSL didn't work if you didn't set the postdiv 2:1 postdiv2 combination, driver hung on startup.
Haven't tested this on a synchronous board, neither do i know what to do with ar7_dsp_clock Haven't tested this on a synchronous board, neither do i know what to do with ar7_dsp_clock
*/ */
cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr); cpu_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_CPU, bootcr);
dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr); dsp_base = tnetd7200_get_clock_base(TNETD7200_CLOCK_ID_DSP, bootcr);
if (*bootcr & BOOT_PLL_ASYNC_MODE) { if (*bootcr & BOOT_PLL_ASYNC_MODE) {
printk("Clocks: Async mode\n"); printk("Clocks: Async mode\n");
printk("Clocks: Setting DSP clock\n"); printk("Clocks: Setting DSP clock\n");
calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul); calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul);
ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv;
tnetd7200_set_clock(dsp_base, &clocks->dsp, tnetd7200_set_clock(dsp_base, &clocks->dsp,
dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2,
ar7_bus_clock); ar7_bus_clock);
printk("Clocks: Setting CPU clock\n"); printk("Clocks: Setting CPU clock\n");
calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, &cpu_postdiv, &cpu_mul); calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, &cpu_postdiv, &cpu_mul);
ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv;
tnetd7200_set_clock(cpu_base, &clocks->cpu, tnetd7200_set_clock(cpu_base, &clocks->cpu,
cpu_prediv, cpu_postdiv, -1, cpu_mul, cpu_prediv, cpu_postdiv, -1, cpu_mul,
ar7_cpu_clock); ar7_cpu_clock);
} else { } else {
if (*bootcr & BOOT_PLL_2TO1_MODE) { if (*bootcr & BOOT_PLL_2TO1_MODE) {
printk("Clocks: Sync 2:1 mode\n"); printk("Clocks: Sync 2:1 mode\n");
printk("Clocks: Setting CPU clock\n"); printk("Clocks: Setting CPU clock\n");
calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, &cpu_postdiv, &cpu_mul); calculate(cpu_base, TNETD7200_DEF_CPU_CLK, &cpu_prediv, &cpu_postdiv, &cpu_mul);
ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv; ar7_cpu_clock = ((cpu_base / cpu_prediv) * cpu_mul) / cpu_postdiv;
tnetd7200_set_clock(cpu_base, &clocks->cpu, tnetd7200_set_clock(cpu_base, &clocks->cpu,
cpu_prediv, cpu_postdiv, -1, cpu_mul, cpu_prediv, cpu_postdiv, -1, cpu_mul,
ar7_cpu_clock); ar7_cpu_clock);
printk("Clocks: Setting DSP clock\n"); printk("Clocks: Setting DSP clock\n");
calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul); calculate(dsp_base, TNETD7200_DEF_DSP_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul);
ar7_bus_clock = ar7_cpu_clock / 2; ar7_bus_clock = ar7_cpu_clock / 2;
tnetd7200_set_clock(dsp_base, &clocks->dsp, tnetd7200_set_clock(dsp_base, &clocks->dsp,
dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2,
ar7_bus_clock); ar7_bus_clock);
} else { } else {
printk("Clocks: Sync 1:1 mode\n"); printk("Clocks: Sync 1:1 mode\n");
printk("Clocks: Setting DSP clock\n"); printk("Clocks: Setting DSP clock\n");
calculate(dsp_base, TNETD7200_DEF_CPU_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul); calculate(dsp_base, TNETD7200_DEF_CPU_CLK, &dsp_prediv, &dsp_postdiv, &dsp_mul);
ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv; ar7_bus_clock = ((dsp_base / dsp_prediv) * dsp_mul) / dsp_postdiv;
tnetd7200_set_clock(dsp_base, &clocks->dsp, tnetd7200_set_clock(dsp_base, &clocks->dsp,
dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2, dsp_prediv, dsp_postdiv * 2, dsp_postdiv, dsp_mul * 2,
ar7_bus_clock); ar7_bus_clock);
ar7_cpu_clock = ar7_bus_clock; ar7_cpu_clock = ar7_bus_clock;
} }
} }
printk("Clocks: Setting USB clock\n"); printk("Clocks: Setting USB clock\n");
usb_base = ar7_bus_clock; usb_base = ar7_bus_clock;
calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, &usb_postdiv, &usb_mul); calculate(usb_base, TNETD7200_DEF_USB_CLK, &usb_prediv, &usb_postdiv, &usb_mul);
tnetd7200_set_clock(usb_base, &clocks->usb, tnetd7200_set_clock(usb_base, &clocks->usb,
usb_prediv, usb_postdiv, -1, usb_mul, usb_prediv, usb_postdiv, -1, usb_mul,
TNETD7200_DEF_USB_CLK); TNETD7200_DEF_USB_CLK);
#warning FIXME: ????! Hrmm #warning FIXME: ????! Hrmm
ar7_dsp_clock = ar7_cpu_clock; ar7_dsp_clock = ar7_cpu_clock;
iounmap(clocks); iounmap(clocks);
iounmap(bootcr); iounmap(bootcr);