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I2C support for XLP, add hints for I2C devices and update PCI resource

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allocation code.
This commit is contained in:
Jayachandran C. 2012-03-27 11:17:04 +00:00
parent 1ab68cbb08
commit 8f57f9e0d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=233540
3 changed files with 26 additions and 3 deletions
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5
sys/mips/conf/XLP.hints Normal file
View File

@ -0,0 +1,5 @@
# $FreeBSD$
# RTC
hint.ds1374_rtc.0.at="iicbus1"
hint.ds1374_rtc.0.addr=0xd0

15
sys/mips/conf/std.XLP
View File

@ -5,6 +5,8 @@ makeoptions MODULES_OVERRIDE=""
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
#profile 2
hints "XLP.hints"
options SCHED_ULE # ULE scheduler
#options VERBOSE_SYSINIT
#options SCHED_4BSD # 4BSD scheduler
@ -55,6 +57,11 @@ options ALT_BREAK_TO_DEBUGGER
options GEOM_UZIP
# Device tree
options FDT
options FDT_DTB_STATIC
makeoptions FDT_DTS_FILE=xlp-basic.dts
# Pseudo
device loop
device random
@ -83,6 +90,8 @@ device ehci # EHCI PCI->USB interface (USB 2.0)
#device uhid # "Human Interface Devices"
device umass # Requires scbus and da
options FDT
options FDT_DTB_STATIC
makeoptions FDT_DTS_FILE=xlp-basic.dts
# i2c driver and devices
device iic
device iicbus
device iicoc
device ds1374 # RTC on XLP boards

9
sys/mips/nlm/xlp_pci.c
View File

@ -497,6 +497,15 @@ assign_soc_resource(device_t child, int type, u_long *startp, u_long *endp,
*rm = &emul_rman;
*bst = uart_bus_space_mem;
break;
case PCI_DEVICE_ID_NLM_I2C:
*va = nlm_pcicfg_base(XLP_IO_I2C_OFFSET(node, unit)) +
XLP_IO_PCI_HDRSZ;
*startp = MIPS_KSEG1_TO_PHYS(*va);
*countp = 0x100;
*rm = &emul_rman;
*bst = uart_bus_space_mem;
break;
}
/* calculate end if allocated */
if (*rm)