On Thu, 10 Mar 2011, Paul Walmsley wrote: > On Wed, 9 Mar 2011, Rajendra Nayak wrote: > > > On Wednesday 09 March 2011 09:20 AM, Paul Walmsley wrote: > > > On Fri, 4 Mar 2011, Rajendra Nayak wrote: > > > > > > > On OMAP4, the PRCM recommended sequence for enabling > > > > a module after power-on-reset is > > > > -1- Force clkdm to SW_WKUP > > > > -2- Configure desired module mode to "enable" or "auto" > > > > -3- Wait for the desired module idle status to be FUNC > > > > -4- Program clkdm in HW_AUTO(if supported) > > > > > > > > This sequence applies to all older OMAPs' as well, > > > > however since they use autodeps, it makes sure that > > > > no clkdm is in IDLE, and hence not requiring a force > > > > SW_WKUP when a module is being enabled. > > This patch is currently breaking boot on OMAP4430 ES2.0 Pandaboard, > so I've dropped it from the integration branch until it can be > debugged. Could you check it, please? It's also breaking boot on OMAP35xx BeagleBoard rev C2. The kernel boot messages are below - omap2plus_defconfig + DEBUG_LL. Reverting the patch fixes it. Could you please take a look? - Paul Uncompressing Linux... done, booting the kernel. [ 0.000000] Linux version 2.6.38-rc7-00245-gccc0402 (paul@twilight) (gcc version 4.5.1 (Sourcery G1 [ 0.000000] CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c53c7f [ 0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache [ 0.000000] Machine: OMAP3 Beagle Board [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] bootconsole [earlycon0] enabled [ 0.000000] Memory policy: ECC disabled, Data cache writeback [ 0.000000] OMAP3430/3530 ES3.0 (l2cache iva sgx neon isp ) [ 0.000000] SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x10000 [ 0.000000] On node 0 totalpages: 65536 [ 0.000000] free_area_init_node: node 0, pgdat c05faf20, node_mem_map c0b54000 [ 0.000000] Normal zone: 512 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 65024 pages, LIFO batch:15 [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/332/500 MHz [ 0.000000] Reprogramming SDRC clock to 332000000 Hz [ 0.000000] PERCPU: Embedded 7 pages/cpu @c0d59000 s8032 r8192 d12448 u32768 [ 0.000000] pcpu-alloc: s8032 r8192 d12448 u32768 alloc=8*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 [ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 memk [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes) [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes) [ 0.000000] Memory: 256MB = 256MB total [ 0.000000] Memory: 248248k/248248k available, 13896k reserved, 0K highmem [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] DMA : 0xffc00000 - 0xffe00000 ( 2 MB) [ 0.000000] vmalloc : 0xd0800000 - 0xf8000000 ( 632 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB) [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) [ 0.000000] .init : 0xc0008000 - 0xc0051000 ( 292 kB) [ 0.000000] .text : 0xc0051000 - 0xc05832fc (5321 kB) [ 0.000000] .data : 0xc0584000 - 0xc05fc300 ( 481 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU-based detection of stalled CPUs is disabled. [ 0.000000] NR_IRQS:409 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts [ 0.000000] Total of 96 interrupts on 1 active controller [ 0.000000] omap_hwmod: gpt12_fck: missing clockdomain for gpt12_fck. [ 0.000000] OMAP clockevent source: GPTIMER12 at 32768 Hz [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 3695 kB [ 0.000000] per task-struct memory footprint: 1152 bytes [ 0.057403] Calibrating delay loop... 476.81 BogoMIPS (lpj=1859584) [ 0.226165] pid_max: default: 32768 minimum: 301 [ 0.231872] Security Framework initialized [ 0.236602] Mount-cache hash table entries: 512 [ 0.246917] CPU: Testing write buffer coherency: ok [ 0.255737] Brought up 1 CPUs [ 0.258880] SMP: Total of 1 processors activated (476.81 BogoMIPS). [ 0.282135] omap_hwmod: _populate_mpu_rt_base found no _mpu_rt_va for l4_core [ 0.289703] omap_hwmod: _populate_mpu_rt_base found no _mpu_rt_va for l4_per [ 0.297088] omap_hwmod: _populate_mpu_rt_base found no _mpu_rt_va for l4_wkup [ 0.321289] omap_hwmod: i2c1: softreset failed (waited 10000 usec) [ 0.341857] omap_hwmod: i2c2: softreset failed (waited 10000 usec) [ 0.362457] omap_hwmod: i2c3: softreset failed (waited 10000 usec) [ 0.376159] print_constraints: dummy: [ 0.381896] NET: Registered protocol family 16 [ 0.388214] GPMC revision 5.0 [ 0.391510] Trying to install interrupt handler for IRQ402 [ 0.397369] Trying to install interrupt handler for IRQ403 [ 0.403167] Trying to install interrupt handler for IRQ404 [ 0.408905] Trying to install interrupt handler for IRQ405 [ 0.414703] Trying to install interrupt handler for IRQ406 [ 0.420501] Trying to install interrupt handler for IRQ407 [ 0.426330] Trying to install interrupt handler for IRQ408 [ 0.432067] Trying to install type control for IRQ409 [ 0.437408] Trying to set irq flags for IRQ409 [ 0.451568] omap_device: omap_gpio.0: new worst case activate latency 0: 91552 [ 0.460113] OMAP GPIO hardware version 2.5 [ 0.465179] OMAP GPIO hardware version 2.5 [ 0.470092] OMAP GPIO hardware version 2.5 [ 0.474945] OMAP GPIO hardware version 2.5 [ 0.479858] OMAP GPIO hardware version 2.5 [ 0.484771] OMAP GPIO hardware version 2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
