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30 commits

Author SHA1 Message Date
Marek Vasut
fa5d821b6b ddr: altera: Extract scc_mgr_set_hhp_extras() 
Move scc_mgr_set_hhp_extras() out of scc_set_bypass_mode() as it
has nothing to do in there. Instead, invoke it from mem_calibrate()
just before invoking scc_set_bypass_mode().

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:13 +02:00
Marek Vasut
37a37ca7f8 ddr: altera: Clean up scc_mgr_set_hhp_extras() 
Minor coding style cleanup for this function. Furthermore, move
ad-hoc debug_cond() calls from the only location from where this
function is invoked into this actual function.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:13 +02:00
Marek Vasut
3267524960 ddr: altera: Clean up scc_mgr_*_delay() args 
Zap args which are not used by these functions, in particular
the write_group is often passed, but unused.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:13 +02:00
Marek Vasut
300c2e6263 ddr: altera: Clean up scc_mgr_apply_group_dq_out1_delay() 
Remove unused write_group and group_bgn argument from this function.
Document the function using kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
5be355c102 ddr: altera: Clean up scc_mgr_set_oct_out1_delay() 
Make this function more readable, no functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
c5c5f5378f ddr: altera: Clean up scc_set_bypass_mode() 
The mode argument of this function is not used at all, zap it.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
5e83789634 ddr: altera: Clean up scc_mgr_load_dqs_for_write_group() 
Make this function more readable, no functional change. Also, zap the
forward declaration, which is no longer needed.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
0b69b807d8 ddr: altera: Implement universal scc_mgr_set_all_ranks() 
Implement universal scc_mgr_set_all_ranks() function and convert
various ad-hoc implementations of similar functionality to use
this single function. Document the function in kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
162d60ef73 ddr: altera: Shuffle around scc_mgr_set_*all_ranks() 
Shuffle the code around a bit, but without any functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
e893f4dc2f ddr: altera: Clean up scc_mgr_initialize() 
Clean up the comments and add kerneldoc. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
c76976d98f ddr: altera: Implement universal scc manager config function 
Implement unified scc_mgr_set() function and convert all those
9 scc_mgr_set_*() ad-hoc functions to call this one function.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
5ff825b853 ddr: altera: Reorder scc manager functions 
This patch just puts functions which look similar next to each
other, so they can be sorted out. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:12 +02:00
Marek Vasut
07aee5bd98 ddr: altera: Clean up scc manager function args 
Clean up the unused args of the functions used to configure the
SCC manager.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
2c0d2d9c40 ddr: altera: Clean up reg_file_set*() 
Turn the insides of these functions into trivial clrsetbits_le32()
and fix the data type of their argument to reflect it's actual size.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
2ca151f86c ddr: altera: Clean up initialize_hps_phy() 
Add brief kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
9c1ab2ca19 ddr: altera: Clean up initialize_reg_file() 
Add brief kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
bb06434bb2 ddr: altera: Clean up hc_initialize_rom_data() 
Clean the function up, fix data types, add kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
1273dd9ea3 ddr: altera: Massage addr into I/O accessors 
Get rid of invocations of this sort:
  addr = (u32)&base->reg;
  writel(val, addr);

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
6cb9f16781 ddr: altera: Stop using SDR_CTRLGRP_ADDRESS directly 
Use the proper structure which describes these registers,
especially since this is already in place.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
17fdc9167f ddr: altera: Wrap SOCFPGA_SDR_ADDRESS into SDR_PHYGRP.*ADDRESS 
Just trim down the constant SOCFPGA_SDR_ADDRESS + SDR_PHYGRP.*ADDRESS
in the code.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
c4815f7671 ddr: altera: Pluck out remaining sdr_get_addr() calls 
Remove the remaining invocations of sdr_get_addr() and the function
itself. This makes the code a bit less cryptic.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:11 +02:00
Marek Vasut
1bc6f14a61 ddr: altera: Dissolve invocation of sdr_get_addr(&sdr_mgr_.*->.*) 
Instead of this indirection, just adjust the register pointer and
directly use the register base address.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
6afb4fe2a0 ddr: altera: Dissolve invocation of sdr_get_addr(&sdr_rw_load.*->.*) 
Instead of this indirection, just adjust the register pointer and
directly use the register base address.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
e79025a774 ddr: altera: Dissolve invocation of sdr_get_addr(&sdr_scc_mgr->.*) 
Instead of this indirection, just adjust the register pointer and
directly use the register base address.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
a1c654a893 ddr: altera: Dissolve invocation of sdr_get_addr(&sdr_reg_file->.*) 
Instead of this indirection, just adjust the register pointer and
directly use the register base address.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
a4bfa463e0 ddr: altera: Zap invocation of sdr_get_addr((u32 *)BASE_RW_MGR)" 
Instead of this indirection, just adjust the register pointer and
directly use the register base address.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
23f62b36da ddr: altera: Clean up ugly casts in sdram_calibration_full() 
Use the correct formating string in those debug_cond() invocations
and zap those unnecessary ugly casts.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
963bca63b6 ddr: altera: Minor indent fix in set_rank_and_odt_mask() 
Fix the position of the } else { statement to make it correctly
indented.

Signed-off-by: Marek Vasut <marex@denx.de>
 2015-08-08 14:14:10 +02:00
Marek Vasut
7ac40d25cf ddr: altera: Fix debug message format in sequencer 
The debug messages missed proper newlines and/or spaces in them.
Fix the formatting.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Cc: Tom Rini <trini@konsulko.com>
 2015-08-08 14:14:06 +02:00
Dinh Nguyen
3da428595e driver/ddr/altera: Add the sdram calibration portion 
This patch adds the DDR calibration portion of the Altera SDRAM driver.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
 2015-08-08 14:14:05 +02:00