diff options
Diffstat (limited to 'cpu/mpc83xx/speed.c')
| -rw-r--r-- | cpu/mpc83xx/speed.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c index 7e53b1e..c759930 100644 --- a/cpu/mpc83xx/speed.c +++ b/cpu/mpc83xx/speed.c @@ -99,7 +99,7 @@ int get_clocks(void) u32 lcrr; u32 csb_clk; -#if defined(CONFIG_MPC8349) +#if defined(CONFIG_MPC834X) u32 tsec1_clk; u32 tsec2_clk; u32 usbmph_clk; @@ -107,15 +107,19 @@ int get_clocks(void) #endif u32 core_clk; u32 i2c1_clk; +#if !defined(CONFIG_MPC832X) u32 i2c2_clk; +#endif u32 enc_clk; u32 lbiu_clk; u32 lclk_clk; u32 ddr_clk; -#if defined (CONFIG_MPC8360) +#if defined(CONFIG_MPC8360) + u32 ddr_sec_clk; +#endif +#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) u32 qepmf; u32 qepdf; - u32 ddr_sec_clk; u32 qe_clk; u32 brg_clk; #endif @@ -139,12 +143,12 @@ int get_clocks(void) #endif } - spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT); + spmf = ((im->reset.rcwl & HRCWL_SPMF) >> HRCWL_SPMF_SHIFT); csb_clk = pci_sync_in * (1 + clkin_div) * spmf; sccr = im->clk.sccr; -#if defined(CONFIG_MPC8349) +#if defined(CONFIG_MPC834X) switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) { case 0: tsec1_clk = 0; @@ -227,10 +231,12 @@ int get_clocks(void) return -9; } #endif -#if defined (CONFIG_MPC8360) +#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) i2c1_clk = csb_clk; #endif +#if !defined(CONFIG_MPC832X) i2c2_clk = csb_clk; /* i2c-2 clk is equal to csb clk */ +#endif switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) { case 0: @@ -249,12 +255,9 @@ int get_clocks(void) /* unkown SCCR_ENCCM value */ return -6; } -#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360) + lbiu_clk = csb_clk * - (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT)); -#else -#error Unknown MPC83xx chip -#endif + (1 + ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT)); lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT; switch (lcrr) { case 2: @@ -266,16 +269,13 @@ int get_clocks(void) /* unknown lcrr */ return -10; } -#if defined(CONFIG_MPC8349) || defined(CONFIG_MPC8360) + ddr_clk = csb_clk * - (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT)); - corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT; -#if defined (CONFIG_MPC8360) + (1 + ((im->reset.rcwl & HRCWL_DDRCM) >> HRCWL_DDRCM_SHIFT)); + corepll = (im->reset.rcwl & HRCWL_COREPLL) >> HRCWL_COREPLL_SHIFT; +#if defined(CONFIG_MPC8360) ddr_sec_clk = csb_clk * (1 + - ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT)); -#endif -#else -#error Unknown MPC83xx chip + ((im->reset.rcwl & HRCWL_LBIUCM) >> HRCWL_LBIUCM_SHIFT)); #endif corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5); @@ -306,15 +306,15 @@ int get_clocks(void) return -12; } -#if defined (CONFIG_MPC8360) - qepmf = (im->reset.rcwl & RCWL_CEPMF) >> RCWL_CEPMF_SHIFT; - qepdf = (im->reset.rcwl & RCWL_CEPDF) >> RCWL_CEPDF_SHIFT; +#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) + qepmf = (im->reset.rcwl & HRCWL_CEPMF) >> HRCWL_CEPMF_SHIFT; + qepdf = (im->reset.rcwl & HRCWL_CEPDF) >> HRCWL_CEPDF_SHIFT; qe_clk = (pci_sync_in * qepmf) / (1 + qepdf); brg_clk = qe_clk / 2; #endif gd->csb_clk = csb_clk; -#if defined(CONFIG_MPC8349) +#if defined(CONFIG_MPC834X) gd->tsec1_clk = tsec1_clk; gd->tsec2_clk = tsec2_clk; gd->usbmph_clk = usbmph_clk; @@ -322,13 +322,17 @@ int get_clocks(void) #endif gd->core_clk = core_clk; gd->i2c1_clk = i2c1_clk; +#if !defined(CONFIG_MPC832X) gd->i2c2_clk = i2c2_clk; +#endif gd->enc_clk = enc_clk; gd->lbiu_clk = lbiu_clk; gd->lclk_clk = lclk_clk; gd->ddr_clk = ddr_clk; -#if defined (CONFIG_MPC8360) +#if defined(CONFIG_MPC8360) gd->ddr_sec_clk = ddr_sec_clk; +#endif +#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) gd->qe_clk = qe_clk; gd->brg_clk = brg_clk; #endif @@ -352,19 +356,22 @@ int print_clock_conf(void) printf("Clock configuration:\n"); printf(" Coherent System Bus: %4d MHz\n", gd->csb_clk / 1000000); printf(" Core: %4d MHz\n", gd->core_clk / 1000000); -#if defined (CONFIG_MPC8360) +#if defined(CONFIG_MPC8360) || defined(CONFIG_MPC832X) printf(" QE: %4d MHz\n", gd->qe_clk / 1000000); + printf(" BRG: %4d MHz\n", gd->brg_clk / 1000000); #endif printf(" Local Bus Controller:%4d MHz\n", gd->lbiu_clk / 1000000); printf(" Local Bus: %4d MHz\n", gd->lclk_clk / 1000000); printf(" DDR: %4d MHz\n", gd->ddr_clk / 1000000); -#if defined (CONFIG_MPC8360) +#if defined(CONFIG_MPC8360) printf(" DDR Secondary: %4d MHz\n", gd->ddr_sec_clk / 1000000); #endif printf(" SEC: %4d MHz\n", gd->enc_clk / 1000000); printf(" I2C1: %4d MHz\n", gd->i2c1_clk / 1000000); +#if !defined(CONFIG_MPC832X) printf(" I2C2: %4d MHz\n", gd->i2c2_clk / 1000000); -#if defined(CONFIG_MPC8349) +#endif +#if defined(CONFIG_MPC834X) printf(" TSEC1: %4d MHz\n", gd->tsec1_clk / 1000000); printf(" TSEC2: %4d MHz\n", gd->tsec2_clk / 1000000); printf(" USB MPH: %4d MHz\n", gd->usbmph_clk / 1000000); |