diff options
Diffstat (limited to 'cpu/ppc4xx')
| -rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 9 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu_init.c | 15 | ||||
| -rw-r--r-- | cpu/ppc4xx/interrupts.c | 97 |
3 files changed, 36 insertions, 85 deletions
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 01712b0..8a38335 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -169,12 +169,15 @@ * UIC. Only exception is 440GX where the EMAC interrupts are * spread over two UIC's! */ +#if defined(CONFIG_440GX) +#define UIC_BASE_MAL UIC1_DCR_BASE +#define UIC_BASE_MAL_ERR UIC2_DCR_BASE +#define UIC_BASE_EMAC UIC2_DCR_BASE +#define UIC_BASE_EMAC_B UIC3_DCR_BASE +#else #define UIC_BASE_MAL (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_TXEOB) * 0x10)) #define UIC_BASE_MAL_ERR (UIC0_DCR_BASE + (UIC_NR(VECNUM_MAL_SERR) * 0x10)) #define UIC_BASE_EMAC (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10)) -#if defined(CONFIG_440GX) -#define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(2)) * 0x10)) -#else #define UIC_BASE_EMAC_B (UIC0_DCR_BASE + (UIC_NR(ETH_IRQ_NUM(0)) * 0x10)) #endif diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index ac64279..e2d0402 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -138,9 +138,10 @@ void reconfigure_pll(u32 new_cpu_freq) void cpu_init_f (void) { -#if defined(CONFIG_WATCHDOG) || defined(CONFIG_460EX) +#if defined(CONFIG_WATCHDOG) || defined(CONFIG_440GX) || defined(CONFIG_460EX) u32 val; #endif + reconfigure_pll(CFG_PLL_RECONFIG); #if (defined(CONFIG_405EP) || defined (CONFIG_405EX)) && !defined(CFG_4xx_GPIO_TABLE) @@ -273,6 +274,18 @@ cpu_init_f (void) reset_4xx_watchdog(); #endif /* CONFIG_WATCHDOG */ +#if defined(CONFIG_440GX) + /* Take the GX out of compatibility mode + * Travis Sawyer, 9 Mar 2004 + * NOTE: 440gx user manual inconsistency here + * Compatibility mode and Ethernet Clock select are not + * correct in the manual + */ + mfsdr(sdr_mfr, val); + val &= ~0x10000000; + mtsdr(sdr_mfr,val); +#endif /* CONFIG_440GX */ + #if defined(CONFIG_460EX) /* * Set SDR0_AHB_CFG[A2P_INCR4] (bit 24) and diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c index 6dbd6d2..8215dc6 100644 --- a/cpu/ppc4xx/interrupts.c +++ b/cpu/ppc4xx/interrupts.c @@ -40,14 +40,8 @@ UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI) | \ UIC_MASK(VECNUM_UIC3CI) | UIC_MASK(VECNUM_UIC3NCI)) #elif (UIC_MAX > 2) -#if defined(CONFIG_440GX) -#define UICB0_ALL (UIC_MASK(VECNUM_UIC0CI) | UIC_MASK(VECNUM_UIC0NCI) | \ - UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI) | \ - UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI)) -#else #define UICB0_ALL (UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI) | \ UIC_MASK(VECNUM_UIC2CI) | UIC_MASK(VECNUM_UIC2NCI)) -#endif #elif (UIC_MAX > 1) #define UICB0_ALL (UIC_MASK(VECNUM_UIC1CI) | UIC_MASK(VECNUM_UIC1NCI)) #else @@ -70,10 +64,6 @@ static struct irq_action irq_vecs[UIC_MAX * 32]; u32 get_dcr(u16); void set_dcr(u16, u32); -#if (UIC_MAX > 1) && !defined(CONFIG_440GX) -static void uic_cascade_interrupt(void *para); -#endif - #if defined(CONFIG_440) /* SPRN changed in 440 */ @@ -157,42 +147,19 @@ int interrupt_init_cpu (unsigned *decrementer_count) */ set_evpr(0x00000000); -#if !defined(CONFIG_440GX) #if (UIC_MAX > 1) /* Install the UIC1 handlers */ - irq_install_handler(VECNUM_UIC1NCI, uic_cascade_interrupt, 0); - irq_install_handler(VECNUM_UIC1CI, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC1NCI, (void *)(void *)external_interrupt, 0); + irq_install_handler(VECNUM_UIC1CI, (void *)(void *)external_interrupt, 0); #endif #if (UIC_MAX > 2) - irq_install_handler(VECNUM_UIC2NCI, uic_cascade_interrupt, 0); - irq_install_handler(VECNUM_UIC2CI, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC2NCI, (void *)(void *)external_interrupt, 0); + irq_install_handler(VECNUM_UIC2CI, (void *)(void *)external_interrupt, 0); #endif #if (UIC_MAX > 3) - irq_install_handler(VECNUM_UIC3NCI, uic_cascade_interrupt, 0); - irq_install_handler(VECNUM_UIC3CI, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC3NCI, (void *)(void *)external_interrupt, 0); + irq_install_handler(VECNUM_UIC3CI, (void *)(void *)external_interrupt, 0); #endif -#else /* !defined(CONFIG_440GX) */ - /* - * ToDo: Remove this 440GX special handling: - * Move SDR0_MFR setup to cpu.c and use common code with UICB0 - * on 440GX. 2008-06-26, sr - */ - /* Take the GX out of compatibility mode - * Travis Sawyer, 9 Mar 2004 - * NOTE: 440gx user manual inconsistency here - * Compatibility mode and Ethernet Clock select are not - * correct in the manual - */ - mfsdr(sdr_mfr, val); - val &= ~0x10000000; - mtsdr(sdr_mfr,val); - - /* Enable UIC interrupts via UIC Base Enable Register */ - mtdcr(uicb0sr, UICB0_ALL); - mtdcr(uicb0er, UICB0_ALL); - /* None are critical */ - mtdcr(uicb0cr, 0); -#endif /* !defined(CONFIG_440GX) */ return (0); } @@ -243,22 +210,6 @@ static void uic_interrupt(u32 uic_base, int vec_base) } } -#if (UIC_MAX > 1) && !defined(CONFIG_440GX) -static void uic_cascade_interrupt(void *para) -{ - external_interrupt(para); -} -#endif - -#if defined(CONFIG_440GX) -/* 440GX uses base uic register */ -#define UIC_BMSR uicb0msr -#define UIC_BSR uicb0sr -#else -#define UIC_BMSR uic0msr -#define UIC_BSR uic0sr -#endif - /* * Handle external interrupts */ @@ -269,7 +220,7 @@ void external_interrupt(struct pt_regs *regs) /* * Read masked interrupt status register to determine interrupt source */ - uic_msr = mfdcr(UIC_BMSR); + uic_msr = mfdcr(uic0msr); #if (UIC_MAX > 1) if ((UIC_MASK(VECNUM_UIC1CI) & uic_msr) || @@ -289,20 +240,10 @@ void external_interrupt(struct pt_regs *regs) uic_interrupt(UIC3_DCR_BASE, 96); #endif -#if defined(CONFIG_440) -#if !defined(CONFIG_440GX) if (uic_msr & ~(UICB0_ALL)) uic_interrupt(UIC0_DCR_BASE, 0); -#else - if ((UIC_MASK(VECNUM_UIC0CI) & uic_msr) || - (UIC_MASK(VECNUM_UIC0NCI) & uic_msr)) - uic_interrupt(UIC0_DCR_BASE, 0); -#endif -#else /* CONFIG_440 */ - uic_interrupt(UIC0_DCR_BASE, 0); -#endif /* CONFIG_440 */ - mtdcr(UIC_BSR, uic_msr); + mtdcr(uic0sr, uic_msr); return; } @@ -312,8 +253,6 @@ void external_interrupt(struct pt_regs *regs) */ void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg) { - int i; - /* * Print warning when replacing with a different irq vector */ @@ -324,20 +263,19 @@ void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg) irq_vecs[vec].handler = handler; irq_vecs[vec].arg = arg; - i = vec & 0x1f; if ((vec >= 0) && (vec < 32)) - mtdcr(uicer, mfdcr(uicer) | (0x80000000 >> i)); + mtdcr(uicer, mfdcr(uicer) | UIC_MASK(vec)); #if (UIC_MAX > 1) else if ((vec >= 32) && (vec < 64)) - mtdcr(uic1er, mfdcr(uic1er) | (0x80000000 >> i)); + mtdcr(uic1er, mfdcr(uic1er) | UIC_MASK(vec)); #endif #if (UIC_MAX > 2) else if ((vec >= 64) && (vec < 96)) - mtdcr(uic2er, mfdcr(uic2er) | (0x80000000 >> i)); + mtdcr(uic2er, mfdcr(uic2er) | UIC_MASK(vec)); #endif #if (UIC_MAX > 3) else if (vec >= 96) - mtdcr(uic3er, mfdcr(uic3er) | (0x80000000 >> i)); + mtdcr(uic3er, mfdcr(uic3er) | UIC_MASK(vec)); #endif debug("Install interrupt for vector %d ==> %p\n", vec, handler); @@ -345,25 +283,22 @@ void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg) void irq_free_handler (int vec) { - int i; - debug("Free interrupt for vector %d ==> %p\n", vec, irq_vecs[vec].handler); - i = vec & 0x1f; if ((vec >= 0) && (vec < 32)) - mtdcr(uicer, mfdcr(uicer) & ~(0x80000000 >> i)); + mtdcr(uicer, mfdcr(uicer) & ~UIC_MASK(vec)); #if (UIC_MAX > 1) else if ((vec >= 32) && (vec < 64)) - mtdcr(uic1er, mfdcr(uic1er) & ~(0x80000000 >> i)); + mtdcr(uic1er, mfdcr(uic1er) & ~UIC_MASK(vec)); #endif #if (UIC_MAX > 2) else if ((vec >= 64) && (vec < 96)) - mtdcr(uic2er, mfdcr(uic2er) & ~(0x80000000 >> i)); + mtdcr(uic2er, mfdcr(uic2er) & ~UIC_MASK(vec)); #endif #if (UIC_MAX > 3) else if (vec >= 96) - mtdcr(uic3er, mfdcr(uic3er) & ~(0x80000000 >> i)); + mtdcr(uic3er, mfdcr(uic3er) & ~UIC_MASK(vec)); #endif irq_vecs[vec].handler = NULL; |