lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

MIPS: XLR, XLS: Add PCI support.

Browse Source 
Adds pci/pci-xlr.c to support for XLR PCI/PCI-X interface and XLS PCIe
interface.
Update irq.c to ack PCI interrupts, use irq handler data to do the
PCI/PCIe bus ack.

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2337/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C
2011-05-07 01:37:31 +05:30
committed by Ralf Baechle
parent f9cab74fd9
commit 9b130f8004
4 changed files with 321 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
arch/mips/include/asm/netlogic/xlr/xlr.h
View File

@@ -41,6 +41,7 @@ unsigned int nlm_xlr_uart_in(struct uart_port *, int);
void nlm_xlr_uart_out(struct uart_port *, int, int);
/* SMP support functions */
struct irq_desc;
void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc);
void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc);
int nlm_wakeup_secondary_cpus(u32 wakeup_mask);
@@ -51,4 +52,24 @@ void prom_pre_boot_secondary_cpus(void);
extern struct plat_smp_ops nlm_smp_ops;
extern unsigned long nlm_common_ebase;
/* XLS B silicon "Rook" */
static inline unsigned int nlm_chip_is_xls_b(void)
{
uint32_t prid = read_c0_prid();
return ((prid & 0xf000) == 0x4000);
}
/*
* XLR chip types
*/
/* The XLS product line has chip versions 0x[48c]? */
static inline unsigned int nlm_chip_is_xls(void)
{
uint32_t prid = read_c0_prid();
return ((prid & 0xf000) == 0x8000 || (prid & 0xf000) == 0x4000 ||
(prid & 0xf000) == 0xc000);
}
#endif /* _ASM_NLM_XLR_H */