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Second fixes batch for AT91 on 4.0:

Browse Source 
- little fix for !MMU debug: may also help for randconfig
 - fix of 2 errors in LCD clock definitions
 - in PM code, not writing the key leads to not execute the action
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Merge tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes

Pull "Second fixes batch for AT91 on 4.0" from Nicolas Ferre:

- little fix for !MMU debug: may also help for randconfig
- fix of 2 errors in LCD clock definitions
- in PM code, not writing the key leads to not execute the action

* tag 'at91-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91/pm: MOR register KEY was missing
  ARM: at91/dt: sama5d4: fix lcdck clock definition
  ARM: at91/dt: sama5d4: rename lcd_clk into lcdc_clk
  ARM: at91: debug: fix non MMU debug
This commit is contained in:
Arnd Bergmann 2015-03-11 15:33:41 +01:00
commit e76296580d
3 changed files with 9 additions and 4 deletions
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6
arch/arm/boot/dts/sama5d4.dtsi
View File

@ -462,8 +462,8 @@
lcdck: lcdck {
#clock-cells = <0>;
reg = <4>;
clocks = <&smd>;
reg = <3>;
clocks = <&mck>;
};
smdck: smdck {
@ -771,7 +771,7 @@
reg = <50>;
};
lcd_clk: lcd_clk {
lcdc_clk: lcdc_clk {
#clock-cells = <0>;
reg = <51>;
};

5
arch/arm/include/debug/at91.S
View File

@ -18,8 +18,11 @@
#define AT91_DBGU 0xfc00c000 /* SAMA5D4_BASE_USART3 */
#endif
/* Keep in sync with mach-at91/include/mach/hardware.h */
#ifdef CONFIG_MMU
#define AT91_IO_P2V(x) ((x) - 0x01000000)
#else
#define AT91_IO_P2V(x) (x)
#endif
#define AT91_DBGU_SR (0x14) /* Status Register */
#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */

2
arch/arm/mach-at91/pm_slowclock.S
View File

@ -205,6 +205,7 @@ sdr_sr_done:
/* Turn off the main oscillator */
ldr tmp1, [pmc, #AT91_CKGR_MOR]
bic tmp1, tmp1, #AT91_PMC_MOSCEN
orr tmp1, tmp1, #AT91_PMC_KEY
str tmp1, [pmc, #AT91_CKGR_MOR]
/* Wait for interrupt */
@ -213,6 +214,7 @@ sdr_sr_done:
/* Turn on the main oscillator */
ldr tmp1, [pmc, #AT91_CKGR_MOR]
orr tmp1, tmp1, #AT91_PMC_MOSCEN
orr tmp1, tmp1, #AT91_PMC_KEY
str tmp1, [pmc, #AT91_CKGR_MOR]
wait_moscrdy