diff options
114 files changed, 10104 insertions, 2411 deletions
diff --git a/Documentation/sh/clk.txt b/Documentation/sh/clk.txt new file mode 100644 index 00000000000..9aef710e9a4 --- /dev/null +++ b/Documentation/sh/clk.txt @@ -0,0 +1,32 @@ +Clock framework on SuperH architecture + +The framework on SH extends existing API by the function clk_set_rate_ex, +which prototype is as follows: + + clk_set_rate_ex (struct clk *clk, unsigned long rate, int algo_id) + +The algo_id parameter is used to specify algorithm used to recalculate clocks, +adjanced to clock, specified as first argument. It is assumed that algo_id==0 +means no changes to adjanced clock + +Internally, the clk_set_rate_ex forwards request to clk->ops->set_rate method, +if it is present in ops structure. The method should set the clock rate and adjust +all needed clocks according to the passed algo_id. +Exact values for algo_id are machine-dependend. For the sh7722, the following +values are defined: + + NO_CHANGE = 0, + IUS_N1_N1, /* I:U = N:1, U:Sh = N:1 */ + IUS_322, /* I:U:Sh = 3:2:2 */ + IUS_522, /* I:U:Sh = 5:2:2 */ + IUS_N11, /* I:U:Sh = N:1:1 */ + SB_N1, /* Sh:B = N:1 */ + SB3_N1, /* Sh:B3 = N:1 */ + SB3_32, /* Sh:B3 = 3:2 */ + SB3_43, /* Sh:B3 = 4:3 */ + SB3_54, /* Sh:B3 = 5:4 */ + BP_N1, /* B:P = N:1 */ + IP_N1 /* I:P = N:1 */ + +Each of these constants means relation between clocks that can be set via the FRQCR +register diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt index d43aa9d3c10..ba328f25541 100644 --- a/Documentation/sysrq.txt +++ b/Documentation/sysrq.txt @@ -1,6 +1,6 @@ Linux Magic System Request Key Hacks Documentation for sysrq.c -Last update: 2007-JAN-06 +Last update: 2007-MAR-14 * What is the magic SysRq key? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -75,7 +75,7 @@ On all - write a character to /proc/sysrq-trigger. e.g.: 'f' - Will call oom_kill to kill a memory hog process. -'g' - Used by kgdb on ppc platforms. +'g' - Used by kgdb on ppc and sh platforms. 'h' - Will display help (actually any other key than those listed above will display help. but 'h' is easy to remember :-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 4d16d891707..d74eb120a9c 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -22,6 +22,10 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool +config GENERIC_BUG + def_bool y + depends on BUG + config GENERIC_FIND_NEXT_BIT bool default y @@ -88,6 +92,14 @@ config SH_SOLUTION_ENGINE Select SolutionEngine if configuring for a Hitachi SH7709 or SH7750 evaluation board. +config SH_7722_SOLUTION_ENGINE + bool "SolutionEngine7722" + select SOLUTION_ENGINE + select CPU_SUBTYPE_SH7722 + help + Select 7722 SolutionEngine if configuring for a Hitachi SH772 + evaluation board. + config SH_7751_SOLUTION_ENGINE bool "SolutionEngine7751" select SOLUTION_ENGINE @@ -95,6 +107,14 @@ config SH_7751_SOLUTION_ENGINE help Select 7751 SolutionEngine if configuring for a Hitachi SH7751 evaluation board. + +config SH_7780_SOLUTION_ENGINE + bool "SolutionEngine7780" + select SOLUTION_ENGINE + select CPU_SUBTYPE_SH7780 + help + Select 7780 SolutionEngine if configuring for a Renesas SH7780 + evaluation board. config SH_7300_SOLUTION_ENGINE bool "SolutionEngine7300" @@ -193,12 +213,8 @@ config SH_RTS7751R2D Select RTS7751R2D if configuring for a Renesas Technology Sales SH-Graphics board. -config SH_R7780RP - bool "R7780RP-1" - select CPU_SUBTYPE_SH7780 - help - Select R7780RP-1 if configuring for a Renesas Solutions - HIGHLANDER board. +config SH_HIGHLANDER + bool "Highlander" config SH_EDOSK7705 bool "EDOSK7705" @@ -243,6 +259,12 @@ config SH_7619_SOLUTION_ENGINE help Select 7619 SolutionEngine if configuring for a Hitachi SH7619 evaluation board. + +config SH_LBOX_RE2 + bool "L-BOX RE2" + select CPU_SUBTYPE_SH7751R + help + Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. config SH_UNKNOWN bool "BareCPU" @@ -258,6 +280,10 @@ config SH_UNKNOWN endchoice +source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" +source "arch/sh/boards/renesas/rts7751r2d/Kconfig" +source "arch/sh/boards/renesas/r7780rp/Kconfig" + source "arch/sh/mm/Kconfig" config CF_ENABLER @@ -366,6 +392,16 @@ config SH_STORE_QUEUES Selecting this option will enable an in-kernel API for manipulating the store queues integrated in the SH-4 processors. +config SPECULATIVE_EXECUTION + bool "Speculative subroutine return" + depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL + help + This enables support for a speculative instruction fetch for + subroutine return. There are various pitfalls associated with + this, as outlined in the SH7780 hardware manual. + + If unsure, say N. + config CPU_HAS_INTEVT bool @@ -398,8 +434,9 @@ config CPU_HAS_PTEA endmenu -menu "Timer support" -depends on !GENERIC_TIME +menu "Timer and clock configuration" + +if !GENERIC_TIME config SH_TMU bool "TMU timer support" @@ -422,17 +459,11 @@ config SH_MTU2 help This enables the use of the MTU2 as the system timer. -endmenu - -source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" - -source "arch/sh/boards/renesas/rts7751r2d/Kconfig" - -source "arch/sh/boards/renesas/r7780rp/Kconfig" +endif config SH_TIMER_IRQ int - default "28" if CPU_SUBTYPE_SH7780 + default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 default "86" if CPU_SUBTYPE_SH7619 default "140" if CPU_SUBTYPE_SH7206 default "16" @@ -462,7 +493,8 @@ config SH_PCLK_FREQ default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ CPU_SUBTYPE_SH7206 - default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780 + default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780 || \ + CPU_SUBTYPE_SH7785 default "60000000" if CPU_SUBTYPE_SH7751 default "66000000" if CPU_SUBTYPE_SH4_202 help @@ -477,6 +509,8 @@ config SH_CLK_MD help MD2 - MD0 pin setting. +endmenu + menu "CPU Frequency scaling" source "drivers/cpufr |