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author | Wolfgang Denk <wd@denx.de> | 2010-04-27 22:57:41 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-27 22:57:41 +0200 |
commit | c303176aa0cf8c5fc38e7c2d5e181e89cca72ef6 (patch) | |
tree | cfac3ea66f6977c3875dbb091370ee8483e462cb /arch/powerpc/cpu/mpc85xx | |
parent | c88d6ab19ffab06f372b15c290bdf5d6f1ebfe9a (diff) | |
parent | 7e1afb62a7e68843248b9a76a265c9193e716768 (diff) | |
download | u-boot-imx-c303176aa0cf8c5fc38e7c2d5e181e89cca72ef6.zip u-boot-imx-c303176aa0cf8c5fc38e7c2d5e181e89cca72ef6.tar.gz u-boot-imx-c303176aa0cf8c5fc38e7c2d5e181e89cca72ef6.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 16 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init.c | 51 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/speed.c | 28 |
3 files changed, 58 insertions, 37 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 0cc6e03..fddeb2f 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -1,5 +1,5 @@ /* - * Copyright 2004,2007-2009 Freescale Semiconductor, Inc. + * Copyright 2004,2007-2010 Freescale Semiconductor, Inc. * (C) Copyright 2002, 2003 Motorola Inc. * Xianghua Xiao (X.Xiao@motorola.com) * @@ -44,21 +44,19 @@ int checkcpu (void) uint major, minor; struct cpu_type *cpu; char buf1[32], buf2[32]; -#ifdef CONFIG_DDR_CLK_FREQ +#if defined(CONFIG_DDR_CLK_FREQ) || defined(CONFIG_FSL_CORENET) volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); -#ifdef CONFIG_FSL_CORENET - u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) - >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; -#else +#endif /* CONFIG_FSL_CORENET */ +#ifdef CONFIG_DDR_CLK_FREQ u32 ddr_ratio = ((gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO) >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; -#endif #else #ifdef CONFIG_FSL_CORENET - u32 ddr_sync = 0; + u32 ddr_sync = ((gur->rcwsr[5]) & FSL_CORENET_RCWSR5_DDR_SYNC) + >> FSL_CORENET_RCWSR5_DDR_SYNC_SHIFT; #else u32 ddr_ratio = 0; -#endif +#endif /* CONFIG_FSL_CORENET */ #endif /* CONFIG_DDR_CLK_FREQ */ int i; diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index e0126d3..e578b29 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -180,54 +180,54 @@ void cpu_init_f (void) * has been determined */ #if defined(CONFIG_SYS_OR0_REMAP) - memctl->or0 = CONFIG_SYS_OR0_REMAP; + out_be32(&memctl->or0, CONFIG_SYS_OR0_REMAP); #endif #if defined(CONFIG_SYS_OR1_REMAP) - memctl->or1 = CONFIG_SYS_OR1_REMAP; + out_be32(&memctl->or1, CONFIG_SYS_OR1_REMAP); #endif /* now restrict to preliminary range */ /* if cs1 is already set via debugger, leave cs0/cs1 alone */ if (! memctl->br1 & 1) { #if defined(CONFIG_SYS_BR0_PRELIM) && defined(CONFIG_SYS_OR0_PRELIM) - memctl->br0 = CONFIG_SYS_BR0_PRELIM; - memctl->or0 = CONFIG_SYS_OR0_PRELIM; + out_be32(&memctl->br0, CONFIG_SYS_BR0_PRELIM); + out_be32(&memctl->or0, CONFIG_SYS_OR0_PRELIM); #endif #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM) - memctl->or1 = CONFIG_SYS_OR1_PRELIM; - memctl->br1 = CONFIG_SYS_BR1_PRELIM; + out_be32(&memctl->or1, CONFIG_SYS_OR1_PRELIM); + out_be32(&memctl->br1, CONFIG_SYS_BR1_PRELIM); #endif } #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM) - memctl->or2 = CONFIG_SYS_OR2_PRELIM; - memctl->br2 = CONFIG_SYS_BR2_PRELIM; + out_be32(&memctl->or2, CONFIG_SYS_OR2_PRELIM); + out_be32(&memctl->br2, CONFIG_SYS_BR2_PRELIM); #endif #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM) - memctl->or3 = CONFIG_SYS_OR3_PRELIM; - memctl->br3 = CONFIG_SYS_BR3_PRELIM; + out_be32(&memctl->or3, CONFIG_SYS_OR3_PRELIM); + out_be32(&memctl->br3, CONFIG_SYS_BR3_PRELIM); #endif #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM) - memctl->or4 = CONFIG_SYS_OR4_PRELIM; - memctl->br4 = CONFIG_SYS_BR4_PRELIM; + out_be32(&memctl->or4, CONFIG_SYS_OR4_PRELIM); + out_be32(&memctl->br4, CONFIG_SYS_BR4_PRELIM); #endif #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM) - memctl->or5 = CONFIG_SYS_OR5_PRELIM; - memctl->br5 = CONFIG_SYS_BR5_PRELIM; + out_be32(&memctl->or5, CONFIG_SYS_OR5_PRELIM); + out_be32(&memctl->br5, CONFIG_SYS_BR5_PRELIM); #endif #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM) - memctl->or6 = CONFIG_SYS_OR6_PRELIM; - memctl->br6 = CONFIG_SYS_BR6_PRELIM; + out_be32(&memctl->or6, CONFIG_SYS_OR6_PRELIM); + out_be32(&memctl->br6, CONFIG_SYS_BR6_PRELIM); #endif #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM) - memctl->or7 = CONFIG_SYS_OR7_PRELIM; - memctl->br7 = CONFIG_SYS_BR7_PRELIM; + out_be32(&memctl->or7, CONFIG_SYS_OR7_PRELIM); + out_be32(&memctl->br7, CONFIG_SYS_BR7_PRELIM); #endif #if defined(CONFIG_CPM2) @@ -260,6 +260,10 @@ void cpu_init_f (void) int cpu_init_r(void) { +#ifdef CONFIG_SYS_LBC_LCRR + volatile ccsr_lbc_t *lbc = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); +#endif + puts ("L2: "); #if defined(CONFIG_L2_CACHE) @@ -383,6 +387,17 @@ int cpu_init_r(void) #if defined(CONFIG_MP) setup_mp(); #endif + +#ifdef CONFIG_SYS_LBC_LCRR + /* + * Modify the CLKDIV field of LCRR register to improve the writing + * speed for NOR flash. + */ + clrsetbits_be32(&lbc->lcrr, LCRR_CLKDIV, CONFIG_SYS_LBC_LCRR); + __raw_readl(&lbc->lcrr); + isync(); +#endif + return 0; } diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c index 268edbc..8132115 100644 --- a/arch/powerpc/cpu/mpc85xx/speed.c +++ b/arch/powerpc/cpu/mpc85xx/speed.c @@ -1,5 +1,5 @@ /* - * Copyright 2004, 2007-2009 Freescale Semiconductor, Inc. + * Copyright 2004, 2007-2010 Freescale Semiconductor, Inc. * * (C) Copyright 2003 Motorola Inc. * Xianghua Xiao, (X.Xiao@motorola.com) @@ -71,22 +71,30 @@ void get_sys_info (sys_info_t * sysInfo) [14] = 4, /* CC4 PPL / 4 */ }; uint lcrr_div, i, freqCC_PLL[4], rcw_tmp; + uint ratio[4]; unsigned long sysclk = CONFIG_SYS_CLK_FREQ; + uint mem_pll_rat; sysInfo->freqSystemBus = sysclk; sysInfo->freqDDRBus = sysclk; - freqCC_PLL[0] = sysclk; - freqCC_PLL[1] = sysclk; - freqCC_PLL[2] = sysclk; - freqCC_PLL[3] = sysclk; sysInfo->freqSystemBus *= (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; - sysInfo->freqDDRBus *= ((in_be32(&gur->rcwsr[0]) >> 17) & 0x1f); - freqCC_PLL[0] *= (in_be32(&clk->pllc1gsr) >> 1) & 0x3f; - freqCC_PLL[1] *= (in_be32(&clk->pllc2gsr) >> 1) & 0x3f; - freqCC_PLL[2] *= (in_be32(&clk->pllc3gsr) >> 1) & 0x3f; - freqCC_PLL[3] *= (in_be32(&clk->pllc4gsr) >> 1) & 0x3f; + mem_pll_rat = (in_be32(&gur->rcwsr[0]) >> 17) & 0x1f; + if (mem_pll_rat > 2) + sysInfo->freqDDRBus *= mem_pll_rat; + else + sysInfo->freqDDRBus = sysInfo->freqSystemBus * mem_pll_rat; + ratio[0] = (in_be32(&clk->pllc1gsr) >> 1) & 0x3f; + ratio[1] = (in_be32(&clk->pllc2gsr) >> 1) & 0x3f; + ratio[2] = (in_be32(&clk->pllc3gsr) >> 1) & 0x3f; + ratio[3] = (in_be32(&clk->pllc4gsr) >> 1) & 0x3f; + for (i = 0; i < 4; i++) { + if (ratio[i] > 4) + freqCC_PLL[i] = sysclk * ratio[i]; + else + freqCC_PLL[i] = sysInfo->freqSystemBus * ratio[i]; + } rcw_tmp = in_be32(&gur->rcwsr[3]); for (i = 0; i < cpu_numcores(); i++) { u32 c_pll_sel = (in_be32(&clk->clkc0csr + i*8) >> 27) & 0xf; |