diff options
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/mpc8xx/fec.c | 107 | ||||
-rw-r--r-- | cpu/ppc4xx/4xx_pci.c | 2 | ||||
-rw-r--r-- | cpu/pxa/start.S | 38 |
3 files changed, 73 insertions, 74 deletions
diff --git a/cpu/mpc8xx/fec.c b/cpu/mpc8xx/fec.c index 08a3715..da473ca 100644 --- a/cpu/mpc8xx/fec.c +++ b/cpu/mpc8xx/fec.c @@ -143,6 +143,7 @@ static int fec_send(struct eth_device* dev, volatile void *packet, int length); static int fec_recv(struct eth_device* dev); static int fec_init(struct eth_device* dev, bd_t * bd); static void fec_halt(struct eth_device* dev); +static void __mii_init(void); int fec_initialize(bd_t *bis) { @@ -539,6 +540,30 @@ static void fec_pin_init(int fecidx) } } +static int fec_reset(volatile fec_t *fecp) +{ + int i; + + /* Whack a reset. + * A delay is required between a reset of the FEC block and + * initialization of other FEC registers because the reset takes + * some time to complete. If you don't delay, subsequent writes + * to FEC registers might get killed by the reset routine which is + * still in progress. + */ + + fecp->fec_ecntrl = FEC_ECNTRL_PINMUX | FEC_ECNTRL_RESET; + for (i = 0; + (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); + ++i) { + udelay (1); + } + if (i == FEC_RESET_DELAY) + return -1; + + return 0; +} + static int fec_init (struct eth_device *dev, bd_t * bd) { struct ether_fcc_info_s *efis = dev->priv; @@ -573,23 +598,17 @@ static int fec_init (struct eth_device *dev, bd_t * bd) #endif /* CONFIG_FADS */ } - /* Whack a reset. - * A delay is required between a reset of the FEC block and - * initialization of other FEC registers because the reset takes - * some time to complete. If you don't delay, subsequent writes - * to FEC registers might get killed by the reset routine which is - * still in progress. +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) + /* the MII interface is connected to FEC1 + * so for the miiphy_xxx function to work we must + * call mii_init since fec_halt messes the thing up */ - fecp->fec_ecntrl = FEC_ECNTRL_PINMUX | FEC_ECNTRL_RESET; - for (i = 0; - (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); - ++i) { - udelay (1); - } - if (i == FEC_RESET_DELAY) { + if (efis->ether_index != 0) + __mii_init(); +#endif + + if (fec_reset(fecp) < 0) printf ("FEC_RESET_DELAY timeout\n"); - return 0; - } /* We use strictly polling mode only */ @@ -603,7 +622,7 @@ static int fec_init (struct eth_device *dev, bd_t * bd) /* Set station address */ -#define ea eth_get_dev()->enetaddr +#define ea dev->enetaddr fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) | (ea[2] << 8) | (ea[3]); fecp->fec_addr_high = (ea[4] << 8) | (ea[5]); #undef ea @@ -716,15 +735,8 @@ static int fec_init (struct eth_device *dev, bd_t * bd) } else { efis->actual_phy_addr = efis->phy_addr; } -#if defined(CONFIG_MII) && defined(CONFIG_RMII) - - /* the MII interface is connected to FEC1 - * so for the miiphy_xxx function to work we must - * call mii_init since fec_halt messes the thing up - */ - if (efis->ether_index != 0) - mii_init(); +#if defined(CONFIG_MII) && defined(CONFIG_RMII) /* * adapt the RMII speed to the speed of the phy */ @@ -874,15 +886,14 @@ static int mii_discover_phy(struct eth_device *dev) udelay(10000); /* wait 10ms */ } for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) { - phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1)); + phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR2)); #ifdef ET_DEBUG printf("PHY type 0x%x pass %d type ", phytype, pass); #endif if (phytype != 0xffff) { phyaddr = phyno; - phytype <<= 16; phytype |= mii_send(mk_mii_read(phyno, - PHY_PHYIDR2)); + PHY_PHYIDR1)) << 16; #ifdef ET_DEBUG printf("PHY @ 0x%x pass %d type ",phyno,pass); @@ -929,36 +940,17 @@ static int mii_discover_phy(struct eth_device *dev) #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && !defined(CONFIG_BITBANGMII) /**************************************************************************** - * mii_init -- Initialize the MII for MII command without ethernet + * mii_init -- Initialize the MII via FEC 1 for MII command without ethernet * This function is a subset of eth_init **************************************************************************** */ -void mii_init (void) +static void __mii_init(void) { volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile fec_t *fecp = &(immr->im_cpm.cp_fec); - int i, j; - for (j = 0; j < sizeof(ether_fcc_info) / sizeof(ether_fcc_info[0]); j++) { - - /* Whack a reset. - * A delay is required between a reset of the FEC block and - * initialization of other FEC registers because the reset takes - * some time to complete. If you don't delay, subsequent writes - * to FEC registers might get killed by the reset routine which is - * still in progress. - */ - - fecp->fec_ecntrl = FEC_ECNTRL_PINMUX | FEC_ECNTRL_RESET; - for (i = 0; - (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY); - ++i) { - udelay (1); - } - if (i == FEC_RESET_DELAY) { + if (fec_reset(fecp) < 0) printf ("FEC_RESET_DELAY timeout\n"); - return; - } /* We use strictly polling mode only */ @@ -968,14 +960,21 @@ void mii_init (void) */ fecp->fec_ievent = 0xffc0; - /* Setup the pin configuration of the FEC(s) - */ - fec_pin_init(ether_fcc_info[i].ether_index); - /* Now enable the transmit and receive processing */ fecp->fec_ecntrl = FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN; - } +} + +void mii_init (void) +{ + int i; + + __mii_init(); + + /* Setup the pin configuration of the FEC(s) + */ + for (i = 0; i < sizeof(ether_fcc_info) / sizeof(ether_fcc_info[0]); i++) + fec_pin_init(ether_fcc_info[i].ether_index); } /***************************************************************************** diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c index a68c419..a5b9690 100644 --- a/cpu/ppc4xx/4xx_pci.c +++ b/cpu/ppc4xx/4xx_pci.c @@ -339,7 +339,7 @@ void pci_405gp_init(struct pci_controller *hose) } /* - * drivers/pci.c skips every host bridge but the 405GP since it could + * drivers/pci/pci.c skips every host bridge but the 405GP since it could * be set as an Adapter. * * I (Andrew May) don't know what we should do here, but I don't want diff --git a/cpu/pxa/start.S b/cpu/pxa/start.S index b922485..31f408d 100644 --- a/cpu/pxa/start.S +++ b/cpu/pxa/start.S @@ -57,7 +57,7 @@ _fiq: .word fiq * Startup Code (reset vector) * * do important init only if we don't start from RAM! - * - relocate armboot to ram + * - relocate armboot to RAM * - setup stack * - jump to second stage */ @@ -90,7 +90,7 @@ IRQ_STACK_START: .globl FIQ_STACK_START FIQ_STACK_START: .word 0x0badc0de -#endif +#endif /* CONFIG_USE_IRQ */ /****************************************************************************/ @@ -100,18 +100,18 @@ FIQ_STACK_START: /****************************************************************************/ reset: - mrs r0,cpsr /* set the cpu to SVC32 mode */ + mrs r0,cpsr /* set the CPU to SVC32 mode */ bic r0,r0,#0x1f /* (superviser mode, M=10011) */ orr r0,r0,#0x13 msr cpsr,r0 /* * we do sys-critical inits only at reboot, - * not when booting from ram! + * not when booting from RAM! */ #ifndef CONFIG_SKIP_LOWLEVEL_INIT bl cpu_init_crit /* we do sys-critical inits */ -#endif +#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */ #ifndef CONFIG_SKIP_RELOCATE_UBOOT relocate: /* relocate U-Boot to RAM */ @@ -130,7 +130,7 @@ copy_loop: stmia r1!, {r3-r10} /* copy to target address [r1] */ cmp r0, r2 /* until source end addreee [r2] */ ble copy_loop -#endif /* CONFIG_SKIP_RELOCATE_UBOOT */ +#endif /* !CONFIG_SKIP_RELOCATE_UBOOT */ /* Set up the stack */ stack_setup: @@ -139,7 +139,7 @@ stack_setup: sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ #ifdef CONFIG_USE_IRQ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) -#endif +#endif /* CONFIG_USE_IRQ */ sub sp, r0, #12 /* leave 3 words for abort-stack */ clear_bss: @@ -172,11 +172,11 @@ _start_armboot: .word start_armboot #undef OSCR #undef OWER #undef OIER -#endif +#endif /* CONFIG_PXA250 || CONFIG_CPU_MONAHANS */ #ifdef CONFIG_PXA250 #undef RCSR #undef CCCR -#endif +#endif /* CONFIG_PXA250 */ /* Interrupt-Controller base address */ IC_BASE: .word 0x40d00000 @@ -197,18 +197,18 @@ OSTIMER_BASE: .word 0x40a00000 #ifdef CONFIG_CPU_MONAHANS # ifndef CFG_MONAHANS_RUN_MODE_OSC_RATIO # error "You have to define CFG_MONAHANS_RUN_MODE_OSC_RATIO!!" -# endif +# endif /* !CFG_MONAHANS_RUN_MODE_OSC_RATIO */ # ifndef CFG_MONAHANS_TURBO_RUN_MODE_RATIO # define CFG_MONAHANS_TURBO_RUN_MODE_RATIO 0x1 -# endif -#else /* ! CONFIG_CPU_MONAHANS */ +# endif /* !CFG_MONAHANS_TURBO_RUN_MODE_RATIO */ +#else /* !CONFIG_CPU_MONAHANS */ #ifdef CFG_CPUSPEED CC_BASE: .word 0x41300000 #define CCCR 0x00 cpuspeed: .word CFG_CPUSPEED -#else +#else /* !CFG_CPUSPEED */ #error "You have to define CFG_CPUSPEED!!" -#endif +#endif /* CFG_CPUSPEED */ #endif /* CONFIG_CPU_MONAHANS */ /* takes care the CP15 update has taken place */ @@ -225,7 +225,7 @@ cpu_init_crit: ldr r0, IC_BASE mov r1, #0x00 str r1, [r0, #ICMR] -#else +#else /* CONFIG_CPU_MONAHANS */ /* Step 1 - Enable CP6 permission */ mrc p15, 0, r1, c15, c1, 0 @ read CPAR orr r1, r1, #0x40 @@ -244,14 +244,14 @@ cpu_init_crit: ldr r1, =CKENB ldr r2, =(CKENB_6_IRQ) str r2, [r1] -#endif +#endif /* !CONFIG_CPU_MONAHANS */ /* set clock speed */ #ifdef CONFIG_CPU_MONAHANS ldr r0, =ACCR ldr r1, =(((CFG_MONAHANS_TURBO_RUN_MODE_RATIO<<8) & ACCR_XN_MASK) | (CFG_MONAHANS_RUN_MODE_OSC_RATIO & ACCR_XL_MASK)) str r1, [r0] -#else /* ! CONFIG_CPU_MONAHANS */ +#else /* !CONFIG_CPU_MONAHANS */ #ifdef CFG_CPUSPEED ldr r0, CC_BASE ldr r1, cpuspeed @@ -451,7 +451,7 @@ fiq: bl do_fiq /* effiction fiq_save_user_regs */ irq_restore_user_regs -#else +#else /* !CONFIG_USE_IRQ */ .align 5 irq: @@ -465,7 +465,7 @@ fiq: bad_save_user_regs bl do_fiq -#endif +#endif /* CONFIG_USE_IRQ */ /****************************************************************************/ /* */ |