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mpc83xx: unreinvent mem_clk

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delete ddr_clk and use mem_clk instead.  Rename other ddr_*_clk to
mem_*_clk for consistency's sake.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Kim Phillips 2008-03-28 10:18:40 -05:00
parent 730e792926
commit 35cf155c5e
3 changed files with 14 additions and 15 deletions
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10
cpu/mpc83xx/spd_sdram.c
View File

@ -78,12 +78,12 @@ extern int dma_xfer(void *dest, uint count, void *src);
int int
picos_to_clk(int picos) picos_to_clk(int picos)
{ {
unsigned int ddr_bus_clk; unsigned int mem_bus_clk;
int clks; int clks;
ddr_bus_clk = gd->ddr_clk >> 1; mem_bus_clk = gd->mem_clk >> 1;
clks = picos / (1000000000 / (ddr_bus_clk / 1000)); clks = picos / (1000000000 / (mem_bus_clk / 1000));
if (picos % (1000000000 / (ddr_bus_clk / 1000)) != 0) if (picos % (1000000000 / (mem_bus_clk / 1000)) != 0)
clks++; clks++;
return clks; return clks;
@ -313,7 +313,7 @@ long int spd_sdram()
debug("DDR:Module maximum data rate is: %dMhz\n", max_data_rate); debug("DDR:Module maximum data rate is: %dMhz\n", max_data_rate);
ddrc_clk = gd->ddr_clk / 1000000; ddrc_clk = gd->mem_clk / 1000000;
effective_data_rate = 0; effective_data_rate = 0;
if (max_data_rate >= 390 && max_data_rate < 460) { /* it is DDR 400 */ if (max_data_rate >= 390 && max_data_rate < 460) { /* it is DDR 400 */

16
cpu/mpc83xx/speed.c
View File

@ -122,9 +122,9 @@ int get_clocks(void)
u32 enc_clk; u32 enc_clk;
u32 lbiu_clk; u32 lbiu_clk;
u32 lclk_clk; u32 lclk_clk;
u32 ddr_clk; u32 mem_clk;
#if defined(CONFIG_MPC8360) #if defined(CONFIG_MPC8360)
u32 ddr_sec_clk; u32 mem_sec_clk;
#endif #endif
#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) #if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
u32 qepmf; u32 qepmf;
@ -400,11 +400,11 @@ int get_clocks(void)
return -12; return -12;
} }
ddr_clk = csb_clk * mem_clk = csb_clk *
(1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT)); (1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT));
corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT; corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT;
#if defined(CONFIG_MPC8360) #if defined(CONFIG_MPC8360)
ddr_sec_clk = csb_clk * (1 + mem_sec_clk = csb_clk * (1 +
((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT)); ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT));
#endif #endif
@ -466,9 +466,9 @@ int get_clocks(void)
gd->enc_clk = enc_clk; gd->enc_clk = enc_clk;
gd->lbiu_clk = lbiu_clk; gd->lbiu_clk = lbiu_clk;
gd->lclk_clk = lclk_clk; gd->lclk_clk = lclk_clk;
gd->ddr_clk = ddr_clk; gd->mem_clk = mem_clk;
#if defined(CONFIG_MPC8360) #if defined(CONFIG_MPC8360)
gd->ddr_sec_clk = ddr_sec_clk; gd->mem_sec_clk = mem_sec_clk;
#endif #endif
#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) #if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X)
gd->qe_clk = qe_clk; gd->qe_clk = qe_clk;
@ -508,9 +508,9 @@ int do_clocks (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
#endif #endif
printf(" Local Bus Controller:%4d MHz\n", gd->lbiu_clk / 1000000); printf(" Local Bus Controller:%4d MHz\n", gd->lbiu_clk / 1000000);
printf(" Local Bus: %4d MHz\n", gd->lclk_clk / 1000000); printf(" Local Bus: %4d MHz\n", gd->lclk_clk / 1000000);
printf(" DDR: %4d MHz\n", gd->ddr_clk / 1000000); printf(" DDR: %4d MHz\n", gd->mem_clk / 1000000);
#if defined(CONFIG_MPC8360) #if defined(CONFIG_MPC8360)
printf(" DDR Secondary: %4d MHz\n", gd->ddr_sec_clk / 1000000); printf(" DDR Secondary: %4d MHz\n", gd->mem_sec_clk / 1000000);
#endif #endif
printf(" SEC: %4d MHz\n", gd->enc_clk / 1000000); printf(" SEC: %4d MHz\n", gd->enc_clk / 1000000);
printf(" I2C1: %4d MHz\n", gd->i2c1_clk / 1000000); printf(" I2C1: %4d MHz\n", gd->i2c1_clk / 1000000);

3
include/asm-ppc/global_data.h
View File

@ -74,7 +74,6 @@ typedef struct global_data {
u32 enc_clk; u32 enc_clk;
u32 lbiu_clk; u32 lbiu_clk;
u32 lclk_clk; u32 lclk_clk;
u32 ddr_clk;
u32 pci_clk; u32 pci_clk;
#if defined(CONFIG_MPC837X) #if defined(CONFIG_MPC837X)
u32 pciexp1_clk; u32 pciexp1_clk;
@ -84,7 +83,7 @@ typedef struct global_data {
u32 sata_clk; u32 sata_clk;
#endif #endif
#if defined(CONFIG_MPC8360) #if defined(CONFIG_MPC8360)
u32 ddr_sec_clk; u32 mem_sec_clk;
#endif /* CONFIG_MPC8360 */ #endif /* CONFIG_MPC8360 */
#endif #endif
#if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) #if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)