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Diffstat (limited to 'arch/mips/include/asm/netlogic/xlp-hal/pic.h')
-rw-r--r--arch/mips/include/asm/netlogic/xlp-hal/pic.h139
1 files changed, 55 insertions, 84 deletions
diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
index 3df53017fe5..41cefe94f0c 100644
--- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h
+++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h
@@ -150,12 +150,19 @@
#define PIC_IRT0 0x74
#define PIC_IRT(i) (PIC_IRT0 + ((i) * 2))
-#define TIMER_CYCLES_MAXVAL 0xffffffffffffffffULL
+#define PIC_9XX_PENDING_0 0x6
+#define PIC_9XX_PENDING_1 0x8
+#define PIC_9XX_PENDING_2 0xa
+#define PIC_9XX_PENDING_3 0xc
+
+#define PIC_9XX_IRT0 0x1c0
+#define PIC_9XX_IRT(i) (PIC_9XX_IRT0 + ((i) * 2))
/*
* IRT Map
*/
#define PIC_NUM_IRTS 160
+#define PIC_9XX_NUM_IRTS 256
#define PIC_IRT_WD_0_INDEX 0
#define PIC_IRT_WD_1_INDEX 1
@@ -191,69 +198,15 @@
#define PIC_IRT_PCIE_LINK_2_INDEX 80
#define PIC_IRT_PCIE_LINK_3_INDEX 81
#define PIC_IRT_PCIE_LINK_INDEX(num) ((num) + PIC_IRT_PCIE_LINK_0_INDEX)
-/* 78 to 81 */
-#define PIC_NUM_NA_IRTS 32
-/* 82 to 113 */
-#define PIC_IRT_NA_0_INDEX 82
-#define PIC_IRT_NA_INDEX(num) ((num) + PIC_IRT_NA_0_INDEX)
-#define PIC_IRT_POE_INDEX 114
-
-#define PIC_NUM_USB_IRTS 6
-#define PIC_IRT_USB_0_INDEX 115
-#define PIC_IRT_EHCI_0_INDEX 115
-#define PIC_IRT_OHCI_0_INDEX 116
-#define PIC_IRT_OHCI_1_INDEX 117
-#define PIC_IRT_EHCI_1_INDEX 118
-#define PIC_IRT_OHCI_2_INDEX 119
-#define PIC_IRT_OHCI_3_INDEX 120
-#define PIC_IRT_USB_INDEX(num) ((num) + PIC_IRT_USB_0_INDEX)
-/* 115 to 120 */
-#define PIC_IRT_GDX_INDEX 121
-#define PIC_IRT_SEC_INDEX 122
-#define PIC_IRT_RSA_INDEX 123
-
-#define PIC_NUM_COMP_IRTS 4
-#define PIC_IRT_COMP_0_INDEX 124
-#define PIC_IRT_COMP_INDEX(num) ((num) + PIC_IRT_COMP_0_INDEX)
-/* 124 to 127 */
-#define PIC_IRT_GBU_INDEX 128
-#define PIC_IRT_ICC_0_INDEX 129 /* ICC - Inter Chip Coherency */
-#define PIC_IRT_ICC_1_INDEX 130
-#define PIC_IRT_ICC_2_INDEX 131
-#define PIC_IRT_CAM_INDEX 132
-#define PIC_IRT_UART_0_INDEX 133
-#define PIC_IRT_UART_1_INDEX 134
-#define PIC_IRT_I2C_0_INDEX 135
-#define PIC_IRT_I2C_1_INDEX 136
-#define PIC_IRT_SYS_0_INDEX 137
-#define PIC_IRT_SYS_1_INDEX 138
-#define PIC_IRT_JTAG_INDEX 139
-#define PIC_IRT_PIC_INDEX 140
-#define PIC_IRT_NBU_INDEX 141
-#define PIC_IRT_TCU_INDEX 142
-#define PIC_IRT_GCU_INDEX 143 /* GBC - Global Coherency */
-#define PIC_IRT_DMC_0_INDEX 144
-#define PIC_IRT_DMC_1_INDEX 145
-
-#define PIC_NUM_GPIO_IRTS 4
-#define PIC_IRT_GPIO_0_INDEX 146
-#define PIC_IRT_GPIO_INDEX(num) ((num) + PIC_IRT_GPIO_0_INDEX)
-
-/* 146 to 149 */
-#define PIC_IRT_NOR_INDEX 150
-#define PIC_IRT_NAND_INDEX 151
-#define PIC_IRT_SPI_INDEX 152
-#define PIC_IRT_MMC_INDEX 153
+
+#define PIC_9XX_IRT_PCIE_LINK_0_INDEX 191
+#define PIC_9XX_IRT_PCIE_LINK_INDEX(num) \
+ ((num) + PIC_9XX_IRT_PCIE_LINK_0_INDEX)
#define PIC_CLOCK_TIMER 7
-#define PIC_IRQ_BASE 8
#if !defined(LOCORE) && !defined(__ASSEMBLY__)
-#define PIC_IRT_FIRST_IRQ (PIC_IRQ_BASE)
-#define PIC_IRT_LAST_IRQ 63
-#define PIC_IRQ_IS_IRT(irq) ((irq) >= PIC_IRT_FIRST_IRQ)
-
/*
* Misc
*/
@@ -261,31 +214,28 @@
#define PIC_LOCAL_SCHEDULING 1
#define PIC_GLOBAL_SCHEDULING 0
-#define PIC_CLK_HZ 133333333
-
#define nlm_read_pic_reg(b, r) nlm_read_reg64(b, r)
#define nlm_write_pic_reg(b, r, v) nlm_write_reg64(b, r, v)
-#define nlm_get_pic_pcibase(node) nlm_pcicfg_base(XLP_IO_PIC_OFFSET(node))
+#define nlm_get_pic_pcibase(node) nlm_pcicfg_base(cpu_is_xlp9xx() ? \
+ XLP9XX_IO_PIC_OFFSET(node) : XLP_IO_PIC_OFFSET(node))
#define nlm_get_pic_regbase(node) (nlm_get_pic_pcibase(node) + XLP_IO_PCI_HDRSZ)
-/* IRT and h/w interrupt routines */
-static inline int
-nlm_pic_read_irt(uint64_t base, int irt_index)
-{
- return nlm_read_pic_reg(base, PIC_IRT(irt_index));
-}
+/* We use PIC on node 0 as a timer */
+#define pic_timer_freq() nlm_get_pic_frequency(0)
+/* IRT and h/w interrupt routines */
static inline void
-nlm_set_irt_to_cpu(uint64_t base, int irt, int cpu)
+nlm_9xx_pic_write_irt(uint64_t base, int irt_num, int en, int nmi,
+ int sch, int vec, int dt, int db, int cpu)
{
uint64_t val;
- val = nlm_read_pic_reg(base, PIC_IRT(irt));
- /* clear cpuset and mask */
- val &= ~((0x7ull << 16) | 0xffff);
- /* set DB, cpuset and cpumask */
- val |= (1 << 19) | ((cpu >> 4) << 16) | (1 << (cpu & 0xf));
- nlm_write_pic_reg(base, PIC_IRT(irt), val);
+ val = (((uint64_t)en & 0x1) << 22) | ((nmi & 0x1) << 23) |
+ ((0 /*mc*/) << 20) | ((vec & 0x3f) << 24) |
+ ((dt & 0x1) << 21) | (0 /*ptr*/ << 16) |
+ (cpu & 0x3ff);
+
+ nlm_write_pic_reg(base, PIC_9XX_IRT(irt_num), val);
}
static inline void
@@ -306,9 +256,13 @@ static inline void
nlm_pic_write_irt_direct(uint64_t base, int irt_num, int en, int nmi,
int sch, int vec, int cpu)
{
- nlm_pic_write_irt(base, irt_num, en, nmi, sch, vec, 1,
- (cpu >> 4), /* thread group */
- 1 << (cpu & 0xf)); /* thread mask */
+ if (cpu_is_xlp9xx())
+ nlm_9xx_pic_write_irt(base, irt_num, en, nmi, sch, vec,
+ 1, 0, cpu);
+ else
+ nlm_pic_write_irt(base, irt_num, en, nmi, sch, vec, 1,
+ (cpu >> 4), /* thread group */
+ 1 << (cpu & 0xf)); /* thread mask */
}
static inline uint64_t
@@ -350,8 +304,13 @@ nlm_pic_enable_irt(uint64_t base, int irt)
{
uint64_t reg;
- reg = nlm_read_pic_reg(base, PIC_IRT(irt));
- nlm_write_pic_reg(base, PIC_IRT(irt), reg | (1u << 31));
+ if (cpu_is_xlp9xx()) {
+ reg = nlm_read_pic_reg(base, PIC_9XX_IRT(irt));
+ nlm_write_pic_reg(base, PIC_9XX_IRT(irt), reg | (1 << 22));
+ } else {
+ reg = nlm_read_pic_reg(base, PIC_IRT(irt));
+ nlm_write_pic_reg(base, PIC_IRT(irt), reg | (1u << 31));
+ }
}
static inline void
@@ -359,8 +318,15 @@ nlm_pic_disable_irt(uint64_t base, int irt)
{
uint64_t reg;
- reg = nlm_read_pic_reg(base, PIC_IRT(irt));
- nlm_write_pic_reg(base, PIC_IRT(irt), reg & ~((uint64_t)1 << 31));
+ if (cpu_is_xlp9xx()) {
+ reg = nlm_read_pic_reg(base, PIC_9XX_IRT(irt));
+ reg &= ~((uint64_t)1 << 22);
+ nlm_write_pic_reg(base, PIC_9XX_IRT(irt), reg);
+ } else {
+ reg = nlm_read_pic_reg(base, PIC_IRT(irt));
+ reg &= ~((uint64_t)1 << 31);
+ nlm_write_pic_reg(base, PIC_IRT(irt), reg);
+ }
}
static inline void
@@ -368,8 +334,13 @@ nlm_pic_send_ipi(uint64_t base, int hwt, int irq, int nmi)
{
uint64_t ipi;
- ipi = (nmi << 31) | (irq << 20);
- ipi |= ((hwt >> 4) << 16) | (1 << (hwt & 0xf)); /* cpuset and mask */
+ if (cpu_is_xlp9xx())
+ ipi = (nmi << 23) | (irq << 24) |
+ (0/*mcm*/ << 20) | (0/*ptr*/ << 16) | hwt;
+ else
+ ipi = ((uint64_t)nmi << 31) | (irq << 20) |
+ ((hwt >> 4) << 16) | (1 << (hwt & 0xf));
+
nlm_write_pic_reg(base, PIC_IPI_CTL, ipi);
}