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https://github.com/edk2-porting/linux-next.git
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blackfin: mach-common: add sec support for bf60x
Add system event controller support for bf60x so that interrupt can be handled. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
This commit is contained in:
parent
969003152a
commit
4f6b600fdc
@ -67,7 +67,11 @@ static inline notrace unsigned long __hard_local_irq_save(void)
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static inline notrace int hard_irqs_disabled_flags(unsigned long flags)
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{
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#ifdef CONFIG_BF60x
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return (flags & IMASK_IVG11) == 0;
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#else
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return (flags & ~0x3f) == 0;
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#endif
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}
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static inline notrace int hard_irqs_disabled(void)
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@ -224,7 +228,7 @@ static inline notrace void hard_local_irq_restore(unsigned long flags)
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* Direct interface to linux/irqflags.h.
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*/
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#define arch_local_save_flags() hard_local_save_flags()
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#define arch_local_irq_save(flags) __hard_local_irq_save()
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#define arch_local_irq_save() __hard_local_irq_save()
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#define arch_local_irq_restore(flags) __hard_local_irq_restore(flags)
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#define arch_local_irq_enable() __hard_local_irq_enable()
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#define arch_local_irq_disable() __hard_local_irq_disable()
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@ -16,6 +16,8 @@
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#include <linux/seq_file.h>
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#include <linux/irq.h>
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#include <linux/sched.h>
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#include <linux/syscore_ops.h>
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#include <asm/delay.h>
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#ifdef CONFIG_IPIPE
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#include <linux/ipipe.h>
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#endif
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@ -25,7 +27,11 @@
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#include <asm/irq_handler.h>
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#include <asm/dpmc.h>
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#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
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#ifndef CONFIG_BF60x
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# define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
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#else
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# define SIC_SYSIRQ(irq) ((irq) - IVG15)
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#endif
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/*
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* NOTES:
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@ -50,6 +56,7 @@ unsigned long bfin_sic_iwr[3]; /* Up to 3 SIC_IWRx registers */
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unsigned vr_wakeup;
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#endif
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#ifndef CONFIG_BF60x
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static struct ivgx {
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/* irq number for request_irq, available in mach-bf5xx/irq.h */
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unsigned int irqno;
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@ -78,7 +85,8 @@ static void __init search_IAR(void)
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for (irqN = 0; irqN < NR_PERI_INTS; irqN += 4) {
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int irqn;
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u32 iar = bfin_read32((unsigned long *)SIC_IAR0 +
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u32 iar =
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bfin_read32((unsigned long *)SIC_IAR0 +
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#if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || \
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defined(CONFIG_BF538) || defined(CONFIG_BF539)
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((irqN % 32) >> 3) + ((irqN / 32) * ((SIC_IAR4 - SIC_IAR0) / 4))
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@ -86,7 +94,6 @@ static void __init search_IAR(void)
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(irqN >> 3)
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#endif
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);
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for (irqn = irqN; irqn < irqN + 4; ++irqn) {
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int iar_shift = (irqn & 7) * 4;
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if (ivg == (0xf & (iar >> iar_shift))) {
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@ -99,11 +106,11 @@ static void __init search_IAR(void)
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}
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}
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}
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#endif
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/*
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* This is for core internal IRQs
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*/
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void bfin_ack_noop(struct irq_data *d)
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{
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/* Dummy function. */
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@ -136,21 +143,21 @@ static void bfin_core_unmask_irq(struct irq_data *d)
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void bfin_internal_mask_irq(unsigned int irq)
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{
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unsigned long flags = hard_local_irq_save();
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#ifndef CONFIG_BF60x
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#ifdef SIC_IMASK0
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unsigned mask_bank = SIC_SYSIRQ(irq) / 32;
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unsigned mask_bit = SIC_SYSIRQ(irq) % 32;
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bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
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~(1 << mask_bit));
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# ifdef CONFIG_SMP
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~(1 << mask_bit));
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# if defined(CONFIG_SMP) || defined(CONFIG_ICC)
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bfin_write_SICB_IMASK(mask_bank, bfin_read_SICB_IMASK(mask_bank) &
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~(1 << mask_bit));
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~(1 << mask_bit));
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# endif
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#else
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bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
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~(1 << SIC_SYSIRQ(irq)));
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~(1 << SIC_SYSIRQ(irq)));
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#endif /* end of SIC_IMASK0 */
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#endif
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hard_local_irq_restore(flags);
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}
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@ -160,7 +167,7 @@ static void bfin_internal_mask_irq_chip(struct irq_data *d)
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}
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#ifdef CONFIG_SMP
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static void bfin_internal_unmask_irq_affinity(unsigned int irq,
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void bfin_internal_unmask_irq_affinity(unsigned int irq,
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const struct cpumask *affinity)
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#else
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void bfin_internal_unmask_irq(unsigned int irq)
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@ -168,6 +175,7 @@ void bfin_internal_unmask_irq(unsigned int irq)
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{
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unsigned long flags = hard_local_irq_save();
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#ifndef CONFIG_BF60x
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#ifdef SIC_IMASK0
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unsigned mask_bank = SIC_SYSIRQ(irq) / 32;
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unsigned mask_bit = SIC_SYSIRQ(irq) % 32;
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@ -175,22 +183,239 @@ void bfin_internal_unmask_irq(unsigned int irq)
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if (cpumask_test_cpu(0, affinity))
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# endif
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bfin_write_SIC_IMASK(mask_bank,
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bfin_read_SIC_IMASK(mask_bank) |
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(1 << mask_bit));
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bfin_read_SIC_IMASK(mask_bank) |
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(1 << mask_bit));
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# ifdef CONFIG_SMP
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if (cpumask_test_cpu(1, affinity))
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bfin_write_SICB_IMASK(mask_bank,
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bfin_read_SICB_IMASK(mask_bank) |
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(1 << mask_bit));
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bfin_read_SICB_IMASK(mask_bank) |
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(1 << mask_bit));
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# endif
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#else
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bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() |
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(1 << SIC_SYSIRQ(irq)));
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(1 << SIC_SYSIRQ(irq)));
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#endif
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#endif
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hard_local_irq_restore(flags);
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}
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#ifdef CONFIG_BF60x
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static void bfin_sec_preflow_handler(struct irq_data *d)
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{
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unsigned long flags = hard_local_irq_save();
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unsigned int sid = SIC_SYSIRQ(d->irq);
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bfin_write_SEC_SCI(0, SEC_CSID, sid);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_mask_ack_irq(struct irq_data *d)
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{
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unsigned long flags = hard_local_irq_save();
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unsigned int sid = SIC_SYSIRQ(d->irq);
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bfin_write_SEC_SCI(0, SEC_CSID, sid);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_unmask_irq(struct irq_data *d)
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{
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unsigned long flags = hard_local_irq_save();
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unsigned int sid = SIC_SYSIRQ(d->irq);
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bfin_write32(SEC_END, sid);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_enable_ssi(unsigned int sid)
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{
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unsigned long flags = hard_local_irq_save();
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uint32_t reg_sctl = bfin_read_SEC_SCTL(sid);
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reg_sctl |= SEC_SCTL_SRC_EN;
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bfin_write_SEC_SCTL(sid, reg_sctl);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_disable_ssi(unsigned int sid)
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{
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unsigned long flags = hard_local_irq_save();
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uint32_t reg_sctl = bfin_read_SEC_SCTL(sid);
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reg_sctl &= ((uint32_t)~SEC_SCTL_SRC_EN);
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bfin_write_SEC_SCTL(sid, reg_sctl);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_set_ssi_coreid(unsigned int sid, unsigned int coreid)
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{
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unsigned long flags = hard_local_irq_save();
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uint32_t reg_sctl = bfin_read_SEC_SCTL(sid);
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reg_sctl &= ((uint32_t)~SEC_SCTL_CTG);
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bfin_write_SEC_SCTL(sid, reg_sctl | ((coreid << 20) & SEC_SCTL_CTG));
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_enable_sci(unsigned int sid)
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{
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unsigned long flags = hard_local_irq_save();
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uint32_t reg_sctl = bfin_read_SEC_SCTL(sid);
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if (sid == SIC_SYSIRQ(IRQ_WATCH0))
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reg_sctl |= SEC_SCTL_FAULT_EN;
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else
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reg_sctl |= SEC_SCTL_INT_EN;
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bfin_write_SEC_SCTL(sid, reg_sctl);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_disable_sci(unsigned int sid)
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{
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unsigned long flags = hard_local_irq_save();
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uint32_t reg_sctl = bfin_read_SEC_SCTL(sid);
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reg_sctl &= ((uint32_t)~SEC_SCTL_INT_EN);
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bfin_write_SEC_SCTL(sid, reg_sctl);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_enable(struct irq_data *d)
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{
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unsigned long flags = hard_local_irq_save();
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unsigned int sid = SIC_SYSIRQ(d->irq);
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bfin_sec_enable_sci(sid);
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bfin_sec_enable_ssi(sid);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_disable(struct irq_data *d)
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{
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unsigned long flags = hard_local_irq_save();
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unsigned int sid = SIC_SYSIRQ(d->irq);
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bfin_sec_disable_sci(sid);
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bfin_sec_disable_ssi(sid);
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hard_local_irq_restore(flags);
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}
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static void bfin_sec_raise_irq(unsigned int sid)
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{
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unsigned long flags = hard_local_irq_save();
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bfin_write32(SEC_RAISE, sid);
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hard_local_irq_restore(flags);
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}
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static void init_software_driven_irq(void)
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{
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bfin_sec_set_ssi_coreid(34, 0);
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bfin_sec_set_ssi_coreid(35, 1);
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bfin_sec_set_ssi_coreid(36, 0);
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bfin_sec_set_ssi_coreid(37, 1);
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}
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void bfin_sec_resume(void)
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{
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bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET);
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udelay(100);
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bfin_write_SEC_GCTL(SEC_GCTL_EN);
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bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN);
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}
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void handle_sec_sfi_fault(uint32_t gstat)
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{
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}
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void handle_sec_sci_fault(uint32_t gstat)
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{
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uint32_t core_id;
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uint32_t cstat;
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core_id = gstat & SEC_GSTAT_SCI;
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cstat = bfin_read_SEC_SCI(core_id, SEC_CSTAT);
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if (cstat & SEC_CSTAT_ERR) {
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switch (cstat & SEC_CSTAT_ERRC) {
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case SEC_CSTAT_ACKERR:
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printk(KERN_DEBUG "sec ack err\n");
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break;
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default:
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printk(KERN_DEBUG "sec sci unknow err\n");
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}
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}
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}
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void handle_sec_ssi_fault(uint32_t gstat)
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{
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uint32_t sid;
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uint32_t sstat;
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sid = gstat & SEC_GSTAT_SID;
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sstat = bfin_read_SEC_SSTAT(sid);
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}
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void handle_sec_fault(unsigned int irq, struct irq_desc *desc)
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{
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uint32_t sec_gstat;
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raw_spin_lock(&desc->lock);
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sec_gstat = bfin_read32(SEC_GSTAT);
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if (sec_gstat & SEC_GSTAT_ERR) {
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switch (sec_gstat & SEC_GSTAT_ERRC) {
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case 0:
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handle_sec_sfi_fault(sec_gstat);
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break;
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case SEC_GSTAT_SCIERR:
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handle_sec_sci_fault(sec_gstat);
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break;
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case SEC_GSTAT_SSIERR:
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handle_sec_ssi_fault(sec_gstat);
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break;
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}
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}
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raw_spin_unlock(&desc->lock);
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}
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static int sec_suspend(void)
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{
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return 0;
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}
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static void sec_resume(void)
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{
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bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET);
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udelay(100);
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bfin_write_SEC_GCTL(SEC_GCTL_EN);
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bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN);
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}
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static struct syscore_ops sec_pm_syscore_ops = {
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.suspend = sec_suspend,
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.resume = sec_resume,
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};
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#endif
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#ifdef CONFIG_SMP
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static void bfin_internal_unmask_irq_chip(struct irq_data *d)
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{
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@ -276,17 +501,14 @@ static int bfin_internal_set_wake_chip(struct irq_data *d, unsigned int state)
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static struct irq_chip bfin_core_irqchip = {
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.name = "CORE",
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.irq_ack = bfin_ack_noop,
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.irq_mask = bfin_core_mask_irq,
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.irq_unmask = bfin_core_unmask_irq,
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};
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static struct irq_chip bfin_internal_irqchip = {
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.name = "INTN",
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.irq_ack = bfin_ack_noop,
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.irq_mask = bfin_internal_mask_irq_chip,
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.irq_unmask = bfin_internal_unmask_irq_chip,
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.irq_mask_ack = bfin_internal_mask_irq_chip,
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.irq_disable = bfin_internal_mask_irq_chip,
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.irq_enable = bfin_internal_unmask_irq_chip,
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#ifdef CONFIG_SMP
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@ -295,6 +517,18 @@ static struct irq_chip bfin_internal_irqchip = {
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.irq_set_wake = bfin_internal_set_wake_chip,
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};
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#ifdef CONFIG_BF60x
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static struct irq_chip bfin_sec_irqchip = {
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.name = "SEC",
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.irq_mask_ack = bfin_sec_mask_ack_irq,
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.irq_mask = bfin_sec_mask_ack_irq,
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.irq_unmask = bfin_sec_unmask_irq,
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.irq_eoi = bfin_sec_unmask_irq,
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.irq_disable = bfin_sec_disable,
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.irq_enable = bfin_sec_enable,
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};
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#endif
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void bfin_handle_irq(unsigned irq)
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{
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#ifdef CONFIG_IPIPE
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@ -396,8 +630,6 @@ int bfin_mac_status_set_wake(struct irq_data *d, unsigned int state)
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static struct irq_chip bfin_mac_status_irqchip = {
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.name = "MACST",
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.irq_ack = bfin_ack_noop,
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.irq_mask_ack = bfin_mac_status_mask_irq,
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.irq_mask = bfin_mac_status_mask_irq,
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.irq_unmask = bfin_mac_status_unmask_irq,
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.irq_set_wake = bfin_mac_status_set_wake,
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@ -421,15 +653,15 @@ void bfin_demux_mac_status_irq(unsigned int int_err_irq,
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} else {
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bfin_mac_status_ack_irq(irq);
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pr_debug("IRQ %d:"
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" MASKED MAC ERROR INTERRUPT ASSERTED\n",
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irq);
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" MASKED MAC ERROR INTERRUPT ASSERTED\n",
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irq);
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}
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} else
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printk(KERN_ERR
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"%s : %s : LINE %d :\nIRQ ?: MAC ERROR"
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" INTERRUPT ASSERTED BUT NO SOURCE FOUND"
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"(EMAC_SYSTAT=0x%X)\n",
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__func__, __FILE__, __LINE__, status);
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"%s : %s : LINE %d :\nIRQ ?: MAC ERROR"
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" INTERRUPT ASSERTED BUT NO SOURCE FOUND"
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"(EMAC_SYSTAT=0x%X)\n",
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__func__, __FILE__, __LINE__, status);
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}
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#endif
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@ -583,7 +815,7 @@ static void bfin_demux_gpio_block(unsigned int irq)
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}
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void bfin_demux_gpio_irq(unsigned int inta_irq,
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struct irq_desc *desc)
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struct irq_desc *desc)
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{
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unsigned int irq;
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@ -635,9 +867,15 @@ void bfin_demux_gpio_irq(unsigned int inta_irq,
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|
||||
#else
|
||||
|
||||
# ifndef CONFIG_BF60x
|
||||
#define NR_PINT_SYS_IRQS 4
|
||||
#define NR_PINT_BITS 32
|
||||
#define NR_PINTS 160
|
||||
# else
|
||||
#define NR_PINT_SYS_IRQS 6
|
||||
#define NR_PINTS 112
|
||||
#endif
|
||||
|
||||
#define NR_PINT_BITS 32
|
||||
#define IRQ_NOT_AVAIL 0xFF
|
||||
|
||||
#define PINT_2_BANK(x) ((x) >> 5)
|
||||
@ -652,8 +890,13 @@ static struct bfin_pint_regs * const pint[NR_PINT_SYS_IRQS] = {
|
||||
(struct bfin_pint_regs *)PINT1_MASK_SET,
|
||||
(struct bfin_pint_regs *)PINT2_MASK_SET,
|
||||
(struct bfin_pint_regs *)PINT3_MASK_SET,
|
||||
#ifdef CONFIG_BF60x
|
||||
(struct bfin_pint_regs *)PINT4_MASK_SET,
|
||||
(struct bfin_pint_regs *)PINT5_MASK_SET,
|
||||
#endif
|
||||
};
|
||||
|
||||
#ifndef CONFIG_BF60x
|
||||
inline unsigned int get_irq_base(u32 bank, u8 bmap)
|
||||
{
|
||||
unsigned int irq_base;
|
||||
@ -666,6 +909,16 @@ inline unsigned int get_irq_base(u32 bank, u8 bmap)
|
||||
|
||||
return irq_base;
|
||||
}
|
||||
#else
|
||||
inline unsigned int get_irq_base(u32 bank, u8 bmap)
|
||||
{
|
||||
unsigned int irq_base;
|
||||
|
||||
irq_base = IRQ_PA0 + bank * 16 + bmap * 16;
|
||||
|
||||
return irq_base;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Whenever PINTx_ASSIGN is altered init_pint_lut() must be executed! */
|
||||
void init_pint_lut(void)
|
||||
@ -854,6 +1107,12 @@ static int bfin_gpio_set_wake(struct irq_data *d, unsigned int state)
|
||||
case 1:
|
||||
pint_irq = IRQ_PINT1;
|
||||
break;
|
||||
case 4:
|
||||
pint_irq = IRQ_PINT4;
|
||||
break;
|
||||
case 5:
|
||||
pint_irq = IRQ_PINT5;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
@ -867,10 +1126,21 @@ static int bfin_gpio_set_wake(struct irq_data *d, unsigned int state)
|
||||
#endif
|
||||
|
||||
void bfin_demux_gpio_irq(unsigned int inta_irq,
|
||||
struct irq_desc *desc)
|
||||
struct irq_desc *desc)
|
||||
{
|
||||
u32 bank, pint_val;
|
||||
u32 request, irq;
|
||||
u32 level_mask;
|
||||
int umask = 0;
|
||||
struct irq_chip *chip = irq_desc_get_chip(desc);
|
||||
|
||||
if (chip->irq_mask_ack) {
|
||||
chip->irq_mask_ack(&desc->irq_data);
|
||||
} else {
|
||||
chip->irq_mask(&desc->irq_data);
|
||||
if (chip->irq_ack)
|
||||
chip->irq_ack(&desc->irq_data);
|
||||
}
|
||||
|
||||
switch (inta_irq) {
|
||||
case IRQ_PINT0:
|
||||
@ -885,6 +1155,14 @@ void bfin_demux_gpio_irq(unsigned int inta_irq,
|
||||
case IRQ_PINT1:
|
||||
bank = 1;
|
||||
break;
|
||||
#ifdef CONFIG_BF60x
|
||||
case IRQ_PINT4:
|
||||
bank = 4;
|
||||
break;
|
||||
case IRQ_PINT5:
|
||||
bank = 5;
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
return;
|
||||
}
|
||||
@ -893,15 +1171,23 @@ void bfin_demux_gpio_irq(unsigned int inta_irq,
|
||||
|
||||
request = pint[bank]->request;
|
||||
|
||||
level_mask = pint[bank]->edge_set & request;
|
||||
|
||||
while (request) {
|
||||
if (request & 1) {
|
||||
irq = pint2irq_lut[pint_val] + SYS_IRQS;
|
||||
if (level_mask & PINT_BIT(pint_val)) {
|
||||
umask = 1;
|
||||
chip->irq_unmask(&desc->irq_data);
|
||||
}
|
||||
bfin_handle_irq(irq);
|
||||
}
|
||||
pint_val++;
|
||||
request >>= 1;
|
||||
}
|
||||
|
||||
if (!umask)
|
||||
chip->irq_unmask(&desc->irq_data);
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -951,6 +1237,7 @@ int __init init_arch_irq(void)
|
||||
int irq;
|
||||
unsigned long ilat = 0;
|
||||
|
||||
#ifndef CONFIG_BF60x
|
||||
/* Disable all the peripheral intrs - page 4-29 HW Ref manual */
|
||||
#ifdef SIC_IMASK0
|
||||
bfin_write_SIC_IMASK0(SIC_UNMASK_ALL);
|
||||
@ -958,13 +1245,16 @@ int __init init_arch_irq(void)
|
||||
# ifdef SIC_IMASK2
|
||||
bfin_write_SIC_IMASK2(SIC_UNMASK_ALL);
|
||||
# endif
|
||||
# ifdef CONFIG_SMP
|
||||
# if defined(CONFIG_SMP) || defined(CONFIG_ICC)
|
||||
bfin_write_SICB_IMASK0(SIC_UNMASK_ALL);
|
||||
bfin_write_SICB_IMASK1(SIC_UNMASK_ALL);
|
||||
# endif
|
||||
#else
|
||||
bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
|
||||
#endif
|
||||
#else /* CONFIG_BF60x */
|
||||
bfin_write_SEC_GCTL(SEC_GCTL_RESET);
|
||||
#endif
|
||||
|
||||
local_irq_disable();
|
||||
|
||||
@ -974,6 +1264,10 @@ int __init init_arch_irq(void)
|
||||
pint[1]->assign = CONFIG_PINT1_ASSIGN;
|
||||
pint[2]->assign = CONFIG_PINT2_ASSIGN;
|
||||
pint[3]->assign = CONFIG_PINT3_ASSIGN;
|
||||
# ifdef CONFIG_BF60x
|
||||
pint[4]->assign = CONFIG_PINT4_ASSIGN;
|
||||
pint[5]->assign = CONFIG_PINT5_ASSIGN;
|
||||
# endif
|
||||
# endif
|
||||
/* Whenever PINTx_ASSIGN is altered init_pint_lut() must be executed! */
|
||||
init_pint_lut();
|
||||
@ -986,6 +1280,7 @@ int __init init_arch_irq(void)
|
||||
irq_set_chip(irq, &bfin_internal_irqchip);
|
||||
|
||||
switch (irq) {
|
||||
#ifndef CONFIG_BF60x
|
||||
#if BFIN_GPIO_PINT
|
||||
case IRQ_PINT0:
|
||||
case IRQ_PINT1:
|
||||
@ -1015,12 +1310,13 @@ int __init init_arch_irq(void)
|
||||
bfin_demux_mac_status_irq);
|
||||
break;
|
||||
#endif
|
||||
#ifdef CONFIG_SMP
|
||||
#if defined(CONFIG_SMP) || defined(CONFIG_ICC)
|
||||
case IRQ_SUPPLE_0:
|
||||
case IRQ_SUPPLE_1:
|
||||
irq_set_handler(irq, handle_percpu_irq);
|
||||
break;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_TICKSOURCE_CORETMR
|
||||
case IRQ_CORETMR:
|
||||
@ -1050,7 +1346,8 @@ int __init init_arch_irq(void)
|
||||
|
||||
init_mach_irq();
|
||||
|
||||
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
|
||||
#ifndef CONFIG_BF60x
|
||||
#if (defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)) && !defined(CONFIG_BF60x)
|
||||
for (irq = IRQ_MAC_PHYINT; irq <= IRQ_MAC_STMDONE; irq++)
|
||||
irq_set_chip_and_handler(irq, &bfin_mac_status_irqchip,
|
||||
handle_level_irq);
|
||||
@ -1060,7 +1357,28 @@ int __init init_arch_irq(void)
|
||||
irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++)
|
||||
irq_set_chip_and_handler(irq, &bfin_gpio_irqchip,
|
||||
handle_level_irq);
|
||||
|
||||
#else
|
||||
for (irq = BFIN_IRQ(0); irq <= SYS_IRQS; irq++) {
|
||||
if (irq < CORE_IRQS) {
|
||||
irq_set_chip(irq, &bfin_sec_irqchip);
|
||||
__irq_set_handler(irq, handle_sec_fault, 0, NULL);
|
||||
} else if (irq >= BFIN_IRQ(21) && irq <= BFIN_IRQ(26)) {
|
||||
irq_set_chip(irq, &bfin_sec_irqchip);
|
||||
irq_set_chained_handler(irq, bfin_demux_gpio_irq);
|
||||
} else if (irq >= BFIN_IRQ(34) && irq <= BFIN_IRQ(37)) {
|
||||
irq_set_chip(irq, &bfin_sec_irqchip);
|
||||
irq_set_handler(irq, handle_percpu_irq);
|
||||
} else {
|
||||
irq_set_chip_and_handler(irq, &bfin_sec_irqchip,
|
||||
handle_fasteoi_irq);
|
||||
__irq_set_preflow_handler(irq, bfin_sec_preflow_handler);
|
||||
}
|
||||
}
|
||||
for (irq = GPIO_IRQ_BASE;
|
||||
irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++)
|
||||
irq_set_chip_and_handler(irq, &bfin_gpio_irqchip,
|
||||
handle_level_irq);
|
||||
#endif
|
||||
bfin_write_IMASK(0);
|
||||
CSYNC();
|
||||
ilat = bfin_read_ILAT();
|
||||
@ -1072,14 +1390,17 @@ int __init init_arch_irq(void)
|
||||
/* IMASK=xxx is equivalent to STI xx or bfin_irq_flags=xx,
|
||||
* local_irq_enable()
|
||||
*/
|
||||
#ifndef CONFIG_BF60x
|
||||
program_IAR();
|
||||
/* Therefore it's better to setup IARs before interrupts enabled */
|
||||
search_IAR();
|
||||
|
||||
/* Enable interrupts IVG7-15 */
|
||||
bfin_irq_flags |= IMASK_IVG15 |
|
||||
IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
|
||||
IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
|
||||
IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
|
||||
IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
|
||||
|
||||
bfin_sti(bfin_irq_flags);
|
||||
|
||||
/* This implicitly covers ANOMALY_05000171
|
||||
* Boot-ROM code modifies SICA_IWRx wakeup registers
|
||||
@ -1103,7 +1424,23 @@ int __init init_arch_irq(void)
|
||||
#else
|
||||
bfin_write_SIC_IWR(IWR_DISABLE_ALL);
|
||||
#endif
|
||||
#else /* CONFIG_BF60x */
|
||||
/* Enable interrupts IVG7-15 */
|
||||
bfin_irq_flags |= IMASK_IVG15 |
|
||||
IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
|
||||
IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
|
||||
|
||||
|
||||
bfin_write_SEC_FCTL(SEC_FCTL_EN | SEC_FCTL_SYSRST_EN | SEC_FCTL_FLTIN_EN);
|
||||
bfin_sec_enable_sci(SIC_SYSIRQ(IRQ_WATCH0));
|
||||
bfin_sec_enable_ssi(SIC_SYSIRQ(IRQ_WATCH0));
|
||||
bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_RESET);
|
||||
udelay(100);
|
||||
bfin_write_SEC_GCTL(SEC_GCTL_EN);
|
||||
bfin_write_SEC_SCI(0, SEC_CCTL, SEC_CCTL_EN | SEC_CCTL_NMI_EN);
|
||||
init_software_driven_irq();
|
||||
register_syscore_ops(&sec_pm_syscore_ops);
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1112,13 +1449,14 @@ __attribute__((l1_text))
|
||||
#endif
|
||||
static int vec_to_irq(int vec)
|
||||
{
|
||||
#ifndef CONFIG_BF60x
|
||||
struct ivgx *ivg = ivg7_13[vec - IVG7].ifirst;
|
||||
struct ivgx *ivg_stop = ivg7_13[vec - IVG7].istop;
|
||||
unsigned long sic_status[3];
|
||||
|
||||
#endif
|
||||
if (likely(vec == EVT_IVTMR_P))
|
||||
return IRQ_CORETMR;
|
||||
|
||||
#ifndef CONFIG_BF60x
|
||||
#ifdef SIC_ISR
|
||||
sic_status[0] = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
|
||||
#else
|
||||
@ -1147,6 +1485,10 @@ static int vec_to_irq(int vec)
|
||||
#endif
|
||||
return ivg->irqno;
|
||||
}
|
||||
#else
|
||||
/* for bf60x read */
|
||||
return BFIN_IRQ(bfin_read_SEC_SCI(0, SEC_CSID));
|
||||
#endif /* end of CONFIG_BF60x */
|
||||
}
|
||||
|
||||
#ifdef CONFIG_DO_IRQ_L1
|
||||
|
Loading…
Reference in New Issue
Block a user