diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc83xx/cpu_init.c | 261 |
1 files changed, 154 insertions, 107 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index 5c930d3..031e8d5 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -23,8 +23,8 @@ #include <common.h> #include <mpc83xx.h> #include <ioports.h> -#ifdef CONFIG_USB_EHCI_FSL #include <asm/io.h> +#ifdef CONFIG_USB_EHCI_FSL #include <usb/ehci-fsl.h> #endif @@ -63,149 +63,163 @@ static void config_qe_ioports(void) */ void cpu_init_f (volatile immap_t * im) { - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - - /* Clear initial global data */ - memset ((void *) gd, 0, sizeof (gd_t)); - - /* system performance tweaking */ - -#ifdef CONFIG_SYS_ACR_PIPE_DEP - /* Arbiter pipeline depth */ - im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) | - (CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT); + __be32 acr_mask = +#ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */ + (ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) | #endif - -#ifdef CONFIG_SYS_ACR_RPTCNT - /* Arbiter repeat count */ - im->arbiter.acr = (im->arbiter.acr & ~(ACR_RPTCNT)) | - (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT); +#ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ + (ACR_RPTCNT << ACR_RPTCNT_SHIFT) | #endif - + 0; + __be32 acr_val = +#ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */ + (CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) | +#endif +#ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */ + (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) | +#endif + 0; + __be32 spcr_mask = +#ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */ + (SPCR_OPT << SPCR_OPT_SHIFT) | +#endif +#ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */ + (SPCR_TSECEP << SPCR_TSECEP_SHIFT) | +#endif +#ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */ + (SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) | +#endif +#ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */ + (SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) | +#endif + 0; + __be32 spcr_val = #ifdef CONFIG_SYS_SPCR_OPT - /* Optimize transactions between CSB and other devices */ - im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_OPT) | - (CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT); + (CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT) | #endif - -#ifdef CONFIG_SYS_SPCR_TSECEP - /* all eTSEC's Emergency priority */ - im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) | - (CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT); +#ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */ + (CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT) | #endif - -#ifdef CONFIG_SYS_SPCR_TSEC1EP - /* TSEC1 Emergency priority */ - im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) | - (CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT); +#ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */ + (CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) | #endif - -#ifdef CONFIG_SYS_SPCR_TSEC2EP - /* TSEC2 Emergency priority */ - im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) | - (CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT); +#ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */ + (CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_ENCCM - /* Encryption clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_ENCCM) | - (CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT); + 0; + __be32 sccr_mask = +#ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */ + (SCCR_ENCCM << SCCR_ENCCM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_PCICM - /* PCI & DMA clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_PCICM) | - (CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT); +#ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */ + (SCCR_PCICM << SCCR_PCICM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_TSECCM - /* all TSEC's clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_TSECCM) | - (CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT); +#ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */ + (SCCR_TSECCM << SCCR_TSECCM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_TSEC1CM - /* TSEC1 clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) | - (CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT); +#ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */ + (SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_TSEC2CM - /* TSEC2 clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) | - (CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT); +#ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */ + (SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_TSEC1ON - /* TSEC1 clock switch */ - im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1ON) | - (CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT); +#ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */ + (SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_TSEC2ON - /* TSEC2 clock switch */ - im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2ON) | - (CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT); +#ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */ + (SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_USBMPHCM - /* USB MPH clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_USBMPHCM) | - (CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT); +#ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */ + (SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_USBDRCM - /* USB DR clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_USBDRCM) | - (CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT); +#ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */ + (SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) | #endif - -#ifdef CONFIG_SYS_SCCR_SATACM - /* SATA controller clock mode */ - im->clk.sccr = (im->clk.sccr & ~SCCR_SATACM) | - (CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT); +#ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */ + (SCCR_SATACM << SCCR_SATACM_SHIFT) | +#endif + 0; + __be32 sccr_val = +#ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */ + (CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT) | #endif +#ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */ + (CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */ + (CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */ + (CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */ + (CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */ + (CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */ + (CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */ + (CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */ + (CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) | +#endif +#ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */ + (CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT) | +#endif + 0; + + /* Pointer is writable since we allocated a register for it */ + gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); + + /* Clear initial global data */ + memset ((void *) gd, 0, sizeof (gd_t)); + + /* system performance tweaking */ + clrsetbits_be32(&im->arbiter.acr, acr_mask, acr_val); + + clrsetbits_be32(&im->sysconf.spcr, spcr_mask, spcr_val); + + clrsetbits_be32(&im->clk.sccr, sccr_mask, sccr_val); /* RSR - Reset Status Register - clear all status (4.6.1.3) */ - gd->reset_status = im->reset.rsr; - im->reset.rsr = ~(RSR_RES); + gd->reset_status = __raw_readl(&im->reset.rsr); + __raw_writel(~(RSR_RES), &im->reset.rsr); /* AER - Arbiter Event Register - store status */ - gd->arbiter_event_attributes = im->arbiter.aeatr; - gd->arbiter_event_address = im->arbiter.aeadr; + gd->arbiter_event_attributes = __raw_readl(&im->arbiter.aeatr); + gd->arbiter_event_address = __raw_readl(&im->arbiter.aeadr); /* * RMR - Reset Mode Register * contains checkstop reset enable (4.6.1.4) */ - im->reset.rmr = (RMR_CSRE & (1<<RMR_CSRE_SHIFT)); - - /* LCRR - Clock Ratio Register (10.3.1.16) */ - im->lbus.lcrr = CONFIG_SYS_LCRR; + __raw_writel(RMR_CSRE & (1<<RMR_CSRE_SHIFT), &im->reset.rmr); - /* Enable Time Base & Decrimenter ( so we will have udelay() )*/ - im->sysconf.spcr |= SPCR_TBEN; + /* Enable Time Base & Decrementer ( so we will have udelay() )*/ + setbits_be32(&im->sysconf.spcr, SPCR_TBEN); /* System General Purpose Register */ #ifdef CONFIG_SYS_SICRH #if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313) /* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */ - im->sysconf.sicrh = (im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH; + __raw_writel((im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH, + &im->sysconf.sicrh); #else - im->sysconf.sicrh = CONFIG_SYS_SICRH; + __raw_writel(CONFIG_SYS_SICRH, &im->sysconf.sicrh); #endif #endif #ifdef CONFIG_SYS_SICRL - im->sysconf.sicrl = CONFIG_SYS_SICRL; + __raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl); #endif - /* DDR control driver register */ -#ifdef CONFIG_SYS_DDRCDR - im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR; +#ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */ + __raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr); #endif - /* Output buffer impedance register */ -#ifdef CONFIG_SYS_OBIR - im->sysconf.obir = CONFIG_SYS_OBIR; +#ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */ + __raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir); #endif #ifdef CONFIG_QE @@ -308,7 +322,7 @@ void cpu_init_f (volatile immap_t * im) /* Wait for clock to stabilize */ do { - temp = in_be32(&ehci->control); + temp = __raw_readl(&ehci->control); udelay(1000); } while (!(temp & PHY_CLK_VALID)); #endif @@ -317,8 +331,41 @@ void cpu_init_f (volatile immap_t * im) int cpu_init_r (void) { + volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR; #ifdef CONFIG_QE uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */ +#endif + __be32 lcrr_mask = +#ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */ + LCRR_DBYP | +#endif +#ifdef CONFIG_SYS_LCRR_EADC /* external address delay */ + LCRR_EADC | +#endif +#ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */ + LCRR_CLKDIV | +#endif + 0; + __be32 lcrr_val = +#ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */ + CONFIG_SYS_LCRR_DBYP | +#endif +#ifdef CONFIG_SYS_LCRR_EADC + CONFIG_SYS_LCRR_EADC | +#endif +#ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */ + CONFIG_SYS_LCRR_CLKDIV | +#endif + 0; + + /* LCRR - Clock Ratio Register (10.3.1.16) + * write, read, and isync per MPC8379ERM rev.1 CLKDEV field description + */ + clrsetbits_be32(&im->lbus.lcrr, lcrr_mask, lcrr_val); + __raw_readl(&im->lbus.lcrr); + isync(); + +#ifdef CONFIG_QE qe_init(qe_base); qe_reset(); #endif |