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authorDave Airlie <airlied@redhat.com>2015-04-20 11:32:26 +1000
committerDave Airlie <airlied@redhat.com>2015-04-20 13:05:20 +1000
commit2c33ce009ca2389dbf0535d0672214d09738e35e (patch)
tree6186a6458c3c160385d794a23eaf07c786a9e61b /arch/mips/netlogic/xlp/nlm_hal.c
parentcec32a47010647e8b0603726ebb75b990a4057a4 (diff)
parent09d51602cf84a1264946711dd4ea0dddbac599a1 (diff)
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards, due to API changes in the regulator tree. I've included the patch into the merge to fix the build. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/mips/netlogic/xlp/nlm_hal.c')
-rw-r--r--arch/mips/netlogic/xlp/nlm_hal.c57
1 files changed, 38 insertions, 19 deletions
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c
index bc24beb3a426..a8f4144a0297 100644
--- a/arch/mips/netlogic/xlp/nlm_hal.c
+++ b/arch/mips/netlogic/xlp/nlm_hal.c
@@ -71,10 +71,20 @@ static int xlp9xx_irq_to_irt(int irq)
switch (irq) {
case PIC_GPIO_IRQ:
return 12;
+ case PIC_I2C_0_IRQ:
+ return 125;
+ case PIC_I2C_1_IRQ:
+ return 126;
+ case PIC_I2C_2_IRQ:
+ return 127;
+ case PIC_I2C_3_IRQ:
+ return 128;
case PIC_9XX_XHCI_0_IRQ:
return 114;
case PIC_9XX_XHCI_1_IRQ:
return 115;
+ case PIC_9XX_XHCI_2_IRQ:
+ return 116;
case PIC_UART_0_IRQ:
return 133;
case PIC_UART_1_IRQ:
@@ -170,16 +180,23 @@ static int xlp_irq_to_irt(int irq)
}
if (devoff != 0) {
+ uint32_t val;
+
pcibase = nlm_pcicfg_base(devoff);
- irt = nlm_read_reg(pcibase, XLP_PCI_IRTINFO_REG) & 0xffff;
- /* HW weirdness, I2C IRT entry has to be fixed up */
- switch (irq) {
- case PIC_I2C_1_IRQ:
- irt = irt + 1; break;
- case PIC_I2C_2_IRQ:
- irt = irt + 2; break;
- case PIC_I2C_3_IRQ:
- irt = irt + 3; break;
+ val = nlm_read_reg(pcibase, XLP_PCI_IRTINFO_REG);
+ if (val == 0xffffffff) {
+ irt = -1;
+ } else {
+ irt = val & 0xffff;
+ /* HW weirdness, I2C IRT entry has to be fixed up */
+ switch (irq) {
+ case PIC_I2C_1_IRQ:
+ irt = irt + 1; break;
+ case PIC_I2C_2_IRQ:
+ irt = irt + 2; break;
+ case PIC_I2C_3_IRQ:
+ irt = irt + 3; break;
+ }
}
} else if (irq >= PIC_PCIE_LINK_LEGACY_IRQ(0) &&
irq <= PIC_PCIE_LINK_LEGACY_IRQ(3)) {
@@ -325,7 +342,7 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node)
/* Find the clock source PLL device for PIC */
if (cpu_xlp9xx) {
reg_select = nlm_read_sys_reg(clockbase,
- SYS_9XX_CLK_DEV_SEL) & 0x3;
+ SYS_9XX_CLK_DEV_SEL_REG) & 0x3;
switch (reg_select) {
case 0:
ctrl_val0 = nlm_read_sys_reg(clockbase,
@@ -354,7 +371,7 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node)
}
} else {
reg_select = (nlm_read_sys_reg(sysbase,
- SYS_CLK_DEV_SEL) >> 22) & 0x3;
+ SYS_CLK_DEV_SEL_REG) >> 22) & 0x3;
switch (reg_select) {
case 0:
ctrl_val0 = nlm_read_sys_reg(sysbase,
@@ -410,7 +427,7 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node)
fdiv = fdiv/(1 << 13);
pll_out_freq_num = ((ref_clk >> 1) * (6 + mdiv)) + fdiv;
- pll_out_freq_den = (1 << vco_post_div) * pll_post_div * 3;
+ pll_out_freq_den = (1 << vco_post_div) * pll_post_div * ref_div;
if (pll_out_freq_den > 0)
do_div(pll_out_freq_num, pll_out_freq_den);
@@ -418,10 +435,10 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node)
/* PIC post divider, which happens after PLL */
if (cpu_xlp9xx)
pic_div = nlm_read_sys_reg(clockbase,
- SYS_9XX_CLK_DEV_DIV) & 0x3;
+ SYS_9XX_CLK_DEV_DIV_REG) & 0x3;
else
pic_div = (nlm_read_sys_reg(sysbase,
- SYS_CLK_DEV_DIV) >> 22) & 0x3;
+ SYS_CLK_DEV_DIV_REG) >> 22) & 0x3;
do_div(pll_out_freq_num, 1 << pic_div);
return pll_out_freq_num;
@@ -442,19 +459,21 @@ unsigned int nlm_get_cpu_frequency(void)
/*
* Fills upto 8 pairs of entries containing the DRAM map of a node
- * if n < 0, get dram map for all nodes
+ * if node < 0, get dram map for all nodes
*/
-int xlp_get_dram_map(int n, uint64_t *dram_map)
+int nlm_get_dram_map(int node, uint64_t *dram_map, int nentries)
{
uint64_t bridgebase, base, lim;
uint32_t val;
unsigned int barreg, limreg, xlatreg;
- int i, node, rv;
+ int i, n, rv;
/* Look only at mapping on Node 0, we don't handle crazy configs */
bridgebase = nlm_get_bridge_regbase(0);
rv = 0;
for (i = 0; i < 8; i++) {
+ if (rv + 1 >= nentries)
+ break;
if (cpu_is_xlp9xx()) {
barreg = BRIDGE_9XX_DRAM_BAR(i);
limreg = BRIDGE_9XX_DRAM_LIMIT(i);
@@ -464,10 +483,10 @@ int xlp_get_dram_map(int n, uint64_t *dram_map)
limreg = BRIDGE_DRAM_LIMIT(i);
xlatreg = BRIDGE_DRAM_NODE_TRANSLN(i);
}
- if (n >= 0) {
+ if (node >= 0) {
/* node specified, get node mapping of BAR */
val = nlm_read_bridge_reg(bridgebase, xlatreg);
- node = (val >> 1) & 0x3;
+ n = (val >> 1) & 0x3;
if (n != node)
continue;
}