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-rw-r--r--arch/mips/netlogic/Platform4
-rw-r--r--arch/mips/netlogic/common/irq.c43
-rw-r--r--arch/mips/netlogic/common/smp.c8
-rw-r--r--arch/mips/netlogic/common/smpboot.S20
-rw-r--r--arch/mips/netlogic/common/time.c56
-rw-r--r--arch/mips/netlogic/dts/xlp_evp.dts2
-rw-r--r--arch/mips/netlogic/xlp/nlm_hal.c4
-rw-r--r--arch/mips/netlogic/xlp/usb-init.c2
-rw-r--r--arch/mips/netlogic/xlp/wakeup.c35
-rw-r--r--arch/mips/netlogic/xlr/fmn-config.c6
-rw-r--r--arch/mips/netlogic/xlr/platform-flash.c12
-rw-r--r--arch/mips/netlogic/xlr/platform.c12
-rw-r--r--arch/mips/netlogic/xlr/setup.c4
13 files changed, 139 insertions, 69 deletions
diff --git a/arch/mips/netlogic/Platform b/arch/mips/netlogic/Platform
index cdfc9abbbb7..fb8eb4c0c6e 100644
--- a/arch/mips/netlogic/Platform
+++ b/arch/mips/netlogic/Platform
@@ -13,5 +13,5 @@ cflags-$(CONFIG_CPU_XLP) += $(call cc-option,-march=xlp,-march=mips64r2)
#
# NETLOGIC processor support
#
-platform-$(CONFIG_NLM_COMMON) += netlogic/
-load-$(CONFIG_NLM_COMMON) += 0xffffffff80100000
+platform-$(CONFIG_NLM_COMMON) += netlogic/
+load-$(CONFIG_NLM_COMMON) += 0xffffffff80100000
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 00dcc7a2bc5..9f84c60bf53 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -69,7 +69,7 @@
#else
#define SMP_IRQ_MASK 0
#endif
-#define PERCPU_IRQ_MASK (SMP_IRQ_MASK | (1ull << IRQ_TIMER) | \
+#define PERCPU_IRQ_MASK (SMP_IRQ_MASK | (1ull << IRQ_TIMER) | \
(1ull << IRQ_FMN))
struct nlm_pic_irq {
@@ -105,21 +105,23 @@ static void xlp_pic_disable(struct irq_data *d)
static void xlp_pic_mask_ack(struct irq_data *d)
{
struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d);
- uint64_t mask = 1ull << pd->picirq;
- write_c0_eirr(mask); /* ack by writing EIRR */
+ clear_c0_eimr(pd->picirq);
+ ack_c0_eirr(pd->picirq);
}
static void xlp_pic_unmask(struct irq_data *d)
{
struct nlm_pic_irq *pd = irq_data_get_irq_handler_data(d);
- if (!pd)
- return;
+ BUG_ON(!pd);
if (pd->extra_ack)
pd->extra_ack(d);
+ /* re-enable the intr on this cpu */
+ set_c0_eimr(pd->picirq);
+
/* Ack is a single write, no need to lock */
nlm_pic_ack(pd->node->picbase, pd->irt);
}
@@ -134,32 +136,17 @@ static struct irq_chip xlp_pic = {
static void cpuintr_disable(struct irq_data *d)
{
- uint64_t eimr;
- uint64_t mask = 1ull << d->irq;
-
- eimr = read_c0_eimr();
- write_c0_eimr(eimr & ~mask);
+ clear_c0_eimr(d->irq);
}
static void cpuintr_enable(struct irq_data *d)
{
- uint64_t eimr;
- uint64_t mask = 1ull << d->irq;
-
- eimr = read_c0_eimr();
- write_c0_eimr(eimr | mask);
+ set_c0_eimr(d->irq);
}
static void cpuintr_ack(struct irq_data *d)
{
- uint64_t mask = 1ull << d->irq;
-
- write_c0_eirr(mask);
-}
-
-static void cpuintr_nop(struct irq_data *d)
-{
- WARN(d->irq >= PIC_IRQ_BASE, "Bad irq %d", d->irq);
+ ack_c0_eirr(d->irq);
}
/*
@@ -170,9 +157,9 @@ struct irq_chip nlm_cpu_intr = {
.name = "XLP-CPU-INTR",
.irq_enable = cpuintr_enable,
.irq_disable = cpuintr_disable,
- .irq_mask = cpuintr_nop,
- .irq_ack = cpuintr_nop,
- .irq_eoi = cpuintr_ack,
+ .irq_mask = cpuintr_disable,
+ .irq_ack = cpuintr_ack,
+ .irq_eoi = cpuintr_enable,
};
static void __init nlm_init_percpu_irqs(void)
@@ -230,7 +217,7 @@ static void nlm_init_node_irqs(int node)
nlm_setup_pic_irq(node, i, i, irt);
/* set interrupts to first cpu in node */
nlm_pic_init_irt(nodep->picbase, irt, i,
- node * NLM_CPUS_PER_NODE);
+ node * NLM_CPUS_PER_NODE, 0);
irqmask |= (1ull << i);
}
nodep->irqmask = irqmask;
@@ -265,7 +252,7 @@ asmlinkage void plat_irq_dispatch(void)
int i, node;
node = nlm_nodeid();
- eirr = read_c0_eirr() & read_c0_eimr();
+ eirr = read_c0_eirr_and_eimr();
i = __ilog2_u64(eirr);
if (i == -1)
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c
index a080d9ee3cd..2bb95dcfe20 100644
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -84,15 +84,19 @@ void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action)
/* IRQ_IPI_SMP_FUNCTION Handler */
void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc)
{
- write_c0_eirr(1ull << irq);
+ clear_c0_eimr(irq);
+ ack_c0_eirr(irq);
smp_call_function_interrupt();
+ set_c0_eimr(irq);
}
/* IRQ_IPI_SMP_RESCHEDULE handler */
void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc)
{
- write_c0_eirr(1ull << irq);
+ clear_c0_eimr(irq);
+ ack_c0_eirr(irq);
scheduler_ipi();
+ set_c0_eimr(irq);
}
/*
diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S
index a0b74874beb..02651748858 100644
--- a/arch/mips/netlogic/common/smpboot.S
+++ b/arch/mips/netlogic/common/smpboot.S
@@ -49,12 +49,12 @@
#include <asm/netlogic/xlp-hal/sys.h>
#include <asm/netlogic/xlp-hal/cpucontrol.h>
-#define CP0_EBASE $15
+#define CP0_EBASE $15
#define SYS_CPU_COHERENT_BASE(node) CKSEG1ADDR(XLP_DEFAULT_IO_BASE) + \
XLP_IO_SYS_OFFSET(node) + XLP_IO_PCI_HDRSZ + \
SYS_CPU_NONCOHERENT_MODE * 4
-#define XLP_AX_WORKAROUND /* enable Ax silicon workarounds */
+#define XLP_AX_WORKAROUND /* enable Ax silicon workarounds */
/* Enable XLP features and workarounds in the LSU */
.macro xlp_config_lsu
@@ -69,6 +69,12 @@
#endif
mtcr t1, t0
+ li t0, ICU_DEFEATURE
+ mfcr t1, t0
+ ori t1, 0x1000 /* Enable Icache partitioning */
+ mtcr t1, t0
+
+
#ifdef XLP_AX_WORKAROUND
li t0, SCHED_DEFEATURE
lui t1, 0x0100 /* Disable BRU accepting ALU ops */
@@ -85,7 +91,7 @@
li t0, LSU_DEBUG_DATA0
li t1, LSU_DEBUG_ADDR
li t2, 0 /* index */
- li t3, 0x1000 /* loop count */
+ li t3, 0x1000 /* loop count */
1:
sll v0, t2, 5
mtcr zero, t0
@@ -134,7 +140,7 @@ FEXPORT(nlm_reset_entry)
and k1, k0, k1
beqz k1, 1f /* go to real reset entry */
nop
- li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */
+ li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */
ld k0, BOOT_NMI_HANDLER(k1)
jr k0
nop
@@ -235,7 +241,7 @@ EXPORT(nlm_reset_entry_end)
FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */
xlp_config_lsu
- dmtc0 sp, $4, 2 /* SP saved in UserLocal */
+ dmtc0 sp, $4, 2 /* SP saved in UserLocal */
SAVE_ALL
sync
/* find the location to which nlm_boot_siblings was relocated */
@@ -301,13 +307,13 @@ NESTED(nlm_rmiboot_preboot, 16, sp)
*/
li t0, 0x400
mfcr t1, t0
- li t2, 6 /* XLR thread mode mask */
+ li t2, 6 /* XLR thread mode mask */
nor t3, t2, zero
and t2, t1, t2 /* t2 - current thread mode */
li v0, CKSEG1ADDR(RESET_DATA_PHYS)
lw v1, BOOT_THREAD_MODE(v0) /* v1 - new thread mode */
sll v1, 1
- beq v1, t2, 1f /* same as request value */
+ beq v1, t2, 1f /* same as request value */
nop /* nothing to do */
and t2, t1, t3 /* mask out old thread mode */
diff --git a/arch/mips/netlogic/common/time.c b/arch/mips/netlogic/common/time.c
index bd3e498157f..5c56555380b 100644
--- a/arch/mips/netlogic/common/time.c
+++ b/arch/mips/netlogic/common/time.c
@@ -35,17 +35,73 @@
#include <linux/init.h>
#include <asm/time.h>
+#include <asm/cpu-features.h>
+
#include <asm/netlogic/interrupt.h>
#include <asm/netlogic/common.h>
+#include <asm/netlogic/haldefs.h>
+#include <asm/netlogic/common.h>
+
+#if defined(CONFIG_CPU_XLP)
+#include <asm/netlogic/xlp-hal/iomap.h>
+#include <asm/netlogic/xlp-hal/xlp.h>
+#include <asm/netlogic/xlp-hal/pic.h>
+#elif defined(CONFIG_CPU_XLR)
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/xlr.h>
+#else
+#error "Unknown CPU"
+#endif
unsigned int __cpuinit get_c0_compare_int(void)
{
return IRQ_TIMER;
}
+static cycle_t nlm_get_pic_timer(struct clocksource *cs)
+{
+ uint64_t picbase = nlm_get_node(0)->picbase;
+
+ return ~nlm_pic_read_timer(picbase, PIC_CLOCK_TIMER);
+}
+
+static cycle_t nlm_get_pic_timer32(struct clocksource *cs)
+{
+ uint64_t picbase = nlm_get_node(0)->picbase;
+
+ return ~nlm_pic_read_timer32(picbase, PIC_CLOCK_TIMER);
+}
+
+static struct clocksource csrc_pic = {
+ .name = "PIC",
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void nlm_init_pic_timer(void)
+{
+ uint64_t picbase = nlm_get_node(0)->picbase;
+
+ nlm_pic_set_timer(picbase, PIC_CLOCK_TIMER, ~0ULL, 0, 0);
+ if (current_cpu_data.cputype == CPU_XLR) {
+ csrc_pic.mask = CLOCKSOURCE_MASK(32);
+ csrc_pic.read = nlm_get_pic_timer32;
+ } else {
+ csrc_pic.mask = CLOCKSOURCE_MASK(64);
+ csrc_pic.read = nlm_get_pic_timer;
+ }
+ csrc_pic.rating = 1000;
+ clocksource_register_hz(&csrc_pic, PIC_CLK_HZ);
+}
+
void __init plat_time_init(void)
{
+ nlm_init_pic_timer();
mips_hpt_frequency = nlm_get_cpu_frequency();
+ if (current_cpu_type() == CPU_XLR)
+ preset_lpj = mips_hpt_frequency / (3 * HZ);
+ else
+ preset_lpj = mips_hpt_frequency / (2 * HZ);
pr_info("MIPS counter frequency [%ld]\n",
(unsigned long)mips_hpt_frequency);
}
diff --git a/arch/mips/netlogic/dts/xlp_evp.dts b/arch/mips/netlogic/dts/xlp_evp.dts
index e14f4230806..7628b5464fc 100644
--- a/arch/mips/netlogic/dts/xlp_evp.dts
+++ b/arch/mips/netlogic/dts/xlp_evp.dts
@@ -20,7 +20,7 @@
#address-cells = <2>;
#size-cells = <1>;
compatible = "simple-bus";
- ranges = <0 0 0 0x18000000 0x04000000 // PCIe CFG
+ ranges = <0 0 0 0x18000000 0x04000000 // PCIe CFG
1 0 0 0x16000000 0x01000000>; // GBU chipselects
serial0: serial@30000 {
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c
index 529e74742d9..c68fd402610 100644
--- a/arch/mips/netlogic/xlp/nlm_hal.c
+++ b/arch/mips/netlogic/xlp/nlm_hal.c
@@ -111,8 +111,8 @@ unsigned int nlm_get_core_frequency(int node, int core)
dfsval = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIV_VALUE);
pll_divf = ((rstval >> 10) & 0x7f) + 1;
pll_divr = ((rstval >> 8) & 0x3) + 1;
- ext_div = ((rstval >> 30) & 0x3) + 1;
- dfs_div = ((dfsval >> (core * 4)) & 0xf) + 1;
+ ext_div = ((rstval >> 30) & 0x3) + 1;
+ dfs_div = ((dfsval >> (core * 4)) & 0xf) + 1;
num = 800000000ULL * pll_divf;
denom = 3 * pll_divr * ext_div * dfs_div;
diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c
index dbe083a9353..1d0b66c62fd 100644
--- a/arch/mips/netlogic/xlp/usb-init.c
+++ b/arch/mips/netlogic/xlp/usb-init.c
@@ -52,7 +52,7 @@ static void nlm_usb_intr_en(int node, int port)
port_addr = nlm_get_usb_regbase(node, port);
val = nlm_read_usb_reg(port_addr, USB_INT_EN);
val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN |
- USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN |
+ USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN |
USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN;
nlm_write_usb_reg(port_addr, USB_INT_EN, val);
}
diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
index cb9010642ac..abb3e08cc05 100644
--- a/arch/mips/netlogic/xlp/wakeup.c
+++ b/arch/mips/netlogic/xlp/wakeup.c
@@ -51,7 +51,7 @@
#include <asm/netlogic/xlp-hal/xlp.h>
#include <asm/netlogic/xlp-hal/sys.h>
-static int xlp_wakeup_core(uint64_t sysbase, int core)
+static int xlp_wakeup_core(uint64_t sysbase, int node, int core)
{
uint32_t coremask, value;
int count;
@@ -82,36 +82,51 @@ static void xlp_enable_secondary_cores(const cpumask_t *wakeup_mask)
struct nlm_soc_info *nodep;
uint64_t syspcibase;
uint32_t syscoremask;
- int core, n, cpu;
+ int core, n, cpu, count, val;
for (n = 0; n < NLM_NR_NODES; n++) {
syspcibase = nlm_get_sys_pcibase(n);
if (nlm_read_reg(syspcibase, 0) == 0xffffffff)
break;
- /* read cores in reset from SYS and account for boot cpu */
- nlm_node_init(n);
+ /* read cores in reset from SYS */
+ if (n != 0)
+ nlm_node_init(n);
nodep = nlm_get_node(n);
syscoremask = nlm_read_sys_reg(nodep->sysbase, SYS_CPU_RESET);
- if (n == 0)
+ /* The boot cpu */
+ if (n == 0) {
syscoremask |= 1;
+ nodep->coremask = 1;
+ }
for (core = 0; core < NLM_CORES_PER_NODE; core++) {
+ /* we will be on node 0 core 0 */
+ if (n == 0 && core == 0)
+ continue;
+
/* see if the core exists */
if ((syscoremask & (1 << core)) == 0)
continue;
- /* see if at least the first thread is enabled */
+ /* see if at least the first hw thread is enabled */
cpu = (n * NLM_CORES_PER_NODE + core)
* NLM_THREADS_PER_CORE;
if (!cpumask_test_cpu(cpu, wakeup_mask))
continue;
/* wake up the core */
- if (xlp_wakeup_core(nodep->sysbase, core))
- nodep->coremask |= 1u << core;
- else
- pr_err("Failed to enable core %d\n", core);
+ if (!xlp_wakeup_core(nodep->sysbase, n, core))
+ continue;
+
+ /* core is up */
+ nodep->coremask |= 1u << core;
+
+ /* spin until the first hw thread sets its ready */
+ count = 0x20000000;
+ do {
+ val = *(volatile int *)&nlm_cpu_ready[cpu];
+ } while (val == 0 && --count > 0);
}
}
}
diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c
index bed2cffa100..ed3bf0e3f30 100644
--- a/arch/mips/netlogic/xlr/fmn-config.c
+++ b/arch/mips/netlogic/xlr/fmn-config.c
@@ -164,8 +164,8 @@ static void setup_cpu_fmninfo(struct xlr_fmn_info *cpu, int num_core)
int i, j;
for (i = 0; i < num_core; i++) {
- cpu[i].start_stn_id = (8 * i);
- cpu[i].end_stn_id = (8 * i + 8);
+ cpu[i].start_stn_id = (8 * i);
+ cpu[i].end_stn_id = (8 * i + 8);
for (j = cpu[i].start_stn_id; j < cpu[i].end_stn_id; j++)
xlr_board_fmn_config.bucket_size[j] = 32;
@@ -216,6 +216,8 @@ void xlr_board_info_setup(void)
case PRID_IMP_NETLOGIC_XLS404B:
case PRID_IMP_NETLOGIC_XLS408B:
case PRID_IMP_NETLOGIC_XLS416B:
+ case PRID_IMP_NETLOGIC_XLS608B:
+ case PRID_IMP_NETLOGIC_XLS616B:
setup_fmn_cc(&gmac[0], FMN_STNID_GMAC0,
FMN_STNID_GMAC0_TX3, 8, 8, 32);
setup_fmn_cc(&gmac[1], FMN_STNID_GMAC1_FR_0,
diff --git a/arch/mips/netlogic/xlr/platform-flash.c b/arch/mips/netlogic/xlr/platform-flash.c
index 340ab1601c4..6d3c727e0ef 100644
--- a/arch/mips/netlogic/xlr/platform-flash.c
+++ b/arch/mips/netlogic/xlr/platform-flash.c
@@ -36,7 +36,7 @@ static struct mtd_partition xlr_nor_parts[] = {
{
.name = "User FS",
.offset = 0x800000,
- .size = MTDPART_SIZ_FULL,
+ .size = MTDPART_SIZ_FULL,
}
};
@@ -46,13 +46,13 @@ static struct mtd_partition xlr_nor_parts[] = {
static struct mtd_partition xlr_nand_parts[] = {
{
.name = "Root Filesystem",
- .offset = 64 * 64 * 2048,
+ .offset = 64 * 64 * 2048,
.size = 432 * 64 * 2048,
},
{
.name = "Home Filesystem",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
},
};
@@ -74,8 +74,8 @@ static struct platform_device xlr_nor_dev = {
.dev = {
.platform_data = &xlr_nor_data,
},
- .num_resources = ARRAY_SIZE(xlr_nor_res),
- .resource = xlr_nor_res,
+ .num_resources = ARRAY_SIZE(xlr_nor_res),
+ .resource = xlr_nor_res,
};
const char *xlr_part_probes[] = { "cmdlinepart", NULL };
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
index 507230eeb76..7b96a91f477 100644
--- a/arch/mips/netlogic/xlr/platform.c
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -64,7 +64,7 @@ void nlm_xlr_uart_out(struct uart_port *p, int offset, int value)
.iotype = UPIO_MEM32, \
.flags = (UPF_SKIP_TEST | \
UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF),\
- .uartclk = PIC_CLKS_PER_SEC, \
+ .uartclk = PIC_CLK_HZ, \
.type = PORT_16550A, \
.serial_in = nlm_xlr_uart_in, \
.serial_out = nlm_xlr_uart_out, \
@@ -162,18 +162,18 @@ int xls_platform_usb_init(void)
nlm_write_reg(usb_mmio, 50, 0x1f000000);
/* Enable ports */
- nlm_write_reg(usb_mmio, 1, 0x07000500);
+ nlm_write_reg(usb_mmio, 1, 0x07000500);
val = nlm_read_reg(gpio_mmio, 21);
if (((val >> 22) & 0x01) == 0) {
pr_info("Detected USB Device mode - Not supported!\n");
- nlm_write_reg(usb_mmio, 0, 0x01000000);
+ nlm_write_reg(usb_mmio, 0, 0x01000000);
return 0;
}
pr_info("Detected USB Host mode - Adding XLS USB devices.\n");
/* Clear reset, host mode */
- nlm_write_reg(usb_mmio, 0, 0x02000000);
+ nlm_write_reg(usb_mmio, 0, 0x02000000);
/* Memory resource for various XLS usb ports */
usb_mmio = nlm_mmio_base(NETLOGIC_IO_USB_0_OFFSET);
@@ -221,8 +221,8 @@ static struct resource i2c_resources[] = {
};
static struct platform_device nlm_xlr_i2c_1 = {
- .name = "xlr-i2cbus",
- .id = 1,
+ .name = "xlr-i2cbus",
+ .id = 1,
.num_resources = 1,
.resource = i2c_resources,
};
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
index c5ce6992ac4..e3e094100e3 100644
--- a/arch/mips/netlogic/xlr/setup.c
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -70,7 +70,7 @@ static void __init nlm_early_serial_setup(void)
s.iotype = UPIO_MEM32;
s.regshift = 2;
s.irq = PIC_UART_0_IRQ;
- s.uartclk = PIC_CLKS_PER_SEC;
+ s.uartclk = PIC_CLK_HZ;
s.serial_in = nlm_xlr_uart_in;
s.serial_out = nlm_xlr_uart_out;
s.mapbase = uart_base;
@@ -163,7 +163,7 @@ static void prom_add_memory(void)
{
struct nlm_boot_mem_map *bootm;
u64 start, size;
- u64 pref_backup = 512; /* avoid pref walking beyond end */
+ u64 pref_backup = 512; /* avoid pref walking beyond end */
int i;
bootm = (void *)(long)nlm_prom_info.psb_mem_map;