[U-Boot] [PATCH v2 24/58] ppc: Move mpc5xxx clocks to arch_global_data

Simon Glass
2012-12-14T06:48:53Z

Move ipb_clk and pci_clk into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
Changes in v2: None

arch/powerpc/cpu/mpc5xxx/i2c.c | 2 +-
arch/powerpc/cpu/mpc5xxx/ide.c | 2 +-
arch/powerpc/cpu/mpc5xxx/serial.c | 4 ++--
arch/powerpc/cpu/mpc5xxx/speed.c | 18 ++++++++++++------
arch/powerpc/cpu/mpc8220/fec.c | 8 +++++---
arch/powerpc/include/asm/global_data.h | 6 +++---
arch/powerpc/lib/board.c | 2 +-
board/inka4x0/inkadiag.c | 8 ++++----
drivers/input/ps2ser.c | 2 +-
drivers/net/mpc5xxx_fec.c | 9 ++++++---
10 files changed, 36 insertions(+), 25 deletions(-)

diff --git a/arch/powerpc/cpu/mpc5xxx/i2c.c b/arch/powerpc/cpu/mpc5xxx/i2c.c
index b423d2f..8d5f47b 100644
--- a/arch/powerpc/cpu/mpc5xxx/i2c.c
+++ b/arch/powerpc/cpu/mpc5xxx/i2c.c
@@ -310,7 +310,7 @@ static int mpc_get_fdr(int speed)
{126, 128}
};

- ipb = gd->ipb_clk;
+ ipb = gd->arch.ipb_clk;
for (i = 7; i >= 0; i--) {
for (j = 7; j >= 0; j--) {
scl = 2 * (scltap[j].scl2tap +
diff --git a/arch/powerpc/cpu/mpc5xxx/ide.c b/arch/powerpc/cpu/mpc5xxx/ide.c
index d337abb..094f62b 100644
--- a/arch/powerpc/cpu/mpc5xxx/ide.c
+++ b/arch/powerpc/cpu/mpc5xxx/ide.c
@@ -75,7 +75,7 @@ int ide_preinit (void)
psdma->PtdCntrl |= 1;

/* Init timings : we use PIO mode 0 timings */
- period = 1000000000 / gd->ipb_clk; /* period in ns */
+ period = 1000000000 / gd->arch.ipb_clk; /* period in ns */

t0 = CALC_TIMING (600);
t2_8 = CALC_TIMING (290);
diff --git a/arch/powerpc/cpu/mpc5xxx/serial.c b/arch/powerpc/cpu/mpc5xxx/serial.c
index eb14161..1ccb4e3 100644
--- a/arch/powerpc/cpu/mpc5xxx/serial.c
+++ b/arch/powerpc/cpu/mpc5xxx/serial.c
@@ -89,7 +89,7 @@ int serial_init_dev (unsigned long dev_base)

/* select clock sources */
psc->psc_clock_select = 0;
- baseclk = (gd->ipb_clk + 16) / 32;
+ baseclk = (gd->arch.ipb_clk + 16) / 32;

/* switch to UART mode */
psc->sicr = 0;
@@ -169,7 +169,7 @@ void serial_setbrg_dev (unsigned long dev_base)
volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
unsigned long baseclk, div;

- baseclk = (gd->ipb_clk + 16) / 32;
+ baseclk = (gd->arch.ipb_clk + 16) / 32;

/* set up UART divisor */
div = (baseclk + (gd->baudrate/2)) / gd->baudrate;
diff --git a/arch/powerpc/cpu/mpc5xxx/speed.c b/arch/powerpc/cpu/mpc5xxx/speed.c
index 8027d3e..5353e3d 100644
--- a/arch/powerpc/cpu/mpc5xxx/speed.c
+++ b/arch/powerpc/cpu/mpc5xxx/speed.c
@@ -66,14 +66,20 @@ int get_clocks (void)

val = *(vu_long *)MPC5XXX_CDM_CFG;
if (val & (1 << 8)) {
- gd->ipb_clk = gd->bus_clk / 2;
+ gd->arch.ipb_clk = gd->bus_clk / 2;
} else {
- gd->ipb_clk = gd->bus_clk;
+ gd->arch.ipb_clk = gd->bus_clk;
}
switch (val & 3) {
- case 0: gd->pci_clk = gd->ipb_clk; break;
- case 1: gd->pci_clk = gd->ipb_clk / 2; break;
- default: gd->pci_clk = gd->bus_clk / 4; break;
+ case 0:
+ gd->pci_clk = gd->arch.ipb_clk;
+ break;
+ case 1:
+ gd->pci_clk = gd->arch.ipb_clk / 2;
+ break;
+ default:
+ gd->pci_clk = gd->bus_clk / 4;
+ break;
}

return (0);
@@ -85,7 +91,7 @@ int prt_mpc5xxx_clks (void)

printf (" Bus %s MHz, IPB %s MHz, PCI %s MHz\n",
strmhz(buf1, gd->bus_clk),
- strmhz(buf2, gd->ipb_clk),
+ strmhz(buf2, gd->arch.ipb_clk),
strmhz(buf3, gd->pci_clk)
);
return (0);
diff --git a/arch/powerpc/cpu/mpc8220/fec.c b/arch/powerpc/cpu/mpc8220/fec.c
index aaf9be1..43fa802 100644
--- a/arch/powerpc/cpu/mpc8220/fec.c
+++ b/arch/powerpc/cpu/mpc8220/fec.c
@@ -288,9 +288,11 @@ static int mpc8220_fec_init (struct eth_device *dev, bd_t * bis)
* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
* and do not drop the Preamble.
*/
- /* tbd - rtm */
- /*fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); */
- /* No MII for 7-wire mode */
+ /*
+ * tbd - rtm
+ * fec->eth->mii_speed = (((gd->arch.ipb_clk >> 20) / 5) << 1);
+ * No MII for 7-wire mode
+ */
fec->eth->mii_speed = 0x00000030;
}

diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index ca36ca3..423e792 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -94,6 +94,9 @@ struct arch_global_data {
#if defined(CONFIG_E500)
u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
#endif
+#if defined(CONFIG_MPC5xxx)
+ unsigned long ipb_clk;
+#endif
};

/*
@@ -116,9 +119,6 @@ typedef struct global_data {
#if defined(CONFIG_FSL_ESDHC)
u32 sdhc_clk;
#endif
-#if defined(CONFIG_MPC5xxx)
- unsigned long ipb_clk;
-#endif
#if defined(CONFIG_MPC512X)
u32 ips_clk;
u32 csb_clk;
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 6315991..07b16d5 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -589,7 +589,7 @@ void board_init_f(ulong bootflag)
bd->bi_ipsfreq = gd->ips_clk;
#endif /* CONFIG_MPC512X */
#if defined(CONFIG_MPC5xxx)
- bd->bi_ipbfreq = gd->ipb_clk;
+ bd->bi_ipbfreq = gd->arch.ipb_clk;
bd->bi_pcifreq = gd->pci_clk;
#endif /* CONFIG_MPC5xxx */
bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
diff --git a/board/inka4x0/inkadiag.c b/board/inka4x0/inkadiag.c
index cf82f61..1c01bb4 100644
--- a/board/inka4x0/inkadiag.c
+++ b/board/inka4x0/inkadiag.c
@@ -187,7 +187,7 @@ static int ser_init(volatile struct mpc5xxx_psc *psc, int baudrate)
/* select clock sources */

out_be16(&psc->psc_clock_select, 0);
- baseclk = (gd->ipb_clk + 16) / 32;
+ baseclk = (gd->arch.ipb_clk + 16) / 32;

/* switch to UART mode */
out_be32(&psc->sicr, 0);
@@ -369,7 +369,7 @@ static void buzzer_turn_on(unsigned int freq)
{
volatile struct mpc5xxx_gpt *gpt = (struct mpc5xxx_gpt *)(BUZZER_GPT);

- const u32 prescale = gd->ipb_clk / freq / 128;
+ const u32 prescale = gd->arch.ipb_clk / freq / 128;
const u32 count = 128;
const u32 width = 64;

@@ -405,9 +405,9 @@ static int do_inkadiag_buzzer(cmd_tbl_t *cmdtp, int flag, int argc,

freq = simple_strtol(argv[0], NULL, 0);
/* avoid zero prescale in buzzer_turn_on() */
- if (freq > gd->ipb_clk / 128) {
+ if (freq > gd->arch.ipb_clk / 128) {
printf("%dHz exceeds maximum (%ldHz)\n", freq,
- gd->ipb_clk / 128);
+ gd->arch.ipb_clk / 128);
} else if (!freq)
printf("Zero frequency is senseless\n");
else
diff --git a/drivers/input/ps2ser.c b/drivers/input/ps2ser.c
index a655a16..bcbe52a 100644
--- a/drivers/input/ps2ser.c
+++ b/drivers/input/ps2ser.c
@@ -80,7 +80,7 @@ int ps2ser_init(void)

/* select clock sources */
psc->psc_clock_select = 0;
- baseclk = (gd->ipb_clk + 16) / 32;
+ baseclk = (gd->arch.ipb_clk + 16) / 32;

/* switch to UART mode */
psc->sicr = 0;
diff --git a/drivers/net/mpc5xxx_fec.c b/drivers/net/mpc5xxx_fec.c
index 3d180db..1093ba5 100644
--- a/drivers/net/mpc5xxx_fec.c
+++ b/drivers/net/mpc5xxx_fec.c
@@ -440,8 +440,9 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis)
/*
* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
* and do not drop the Preamble.
+ * No MII for 7-wire mode
*/
- fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
+ fec->eth->mii_speed = (((gd->arch.ipb_clk >> 20) / 5) << 1);
}

if (fec->xcv_type != SEVENWIRE) {
@@ -644,8 +645,9 @@ static void mpc5xxx_fec_halt(struct eth_device *dev)
/*
* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
* and do not drop the Preamble.
+ * No MII for 7-wire mode
*/
- fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
+ fec->eth->mii_speed = (((gd->arch.ipb_clk >> 20) / 5) << 1);
}

#if (DEBUG & 0x3)
@@ -909,8 +911,9 @@ int mpc5xxx_fec_initialize(bd_t * bis)
/*
* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
* and do not drop the Preamble.
+ * No MII for 7-wire mode
*/
- fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
+ fec->eth->mii_speed = (((gd->arch.ipb_clk >> 20) / 5) << 1);
}

dev->priv = (void *)fec;
--
1.7.7.3