diff options
| author | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-01-15 15:59:27 +0100 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2015-01-16 18:08:40 +0100 |
| commit | 4db0ba22da9f4406c292a6a6110eeb2edd12f16a (patch) | |
| tree | 75afb7f5018a3eaeb7f2328c13d7a43f5247c2fa /arch/arm/mach-at91/pm.c | |
| parent | a63ba4114690cad6e71cbcfd187b0ebf20321dfa (diff) | |
| download | linux-4db0ba22da9f4406c292a6a6110eeb2edd12f16a.tar.bz2 | |
ARM: at91: pm: prepare for multiplatform
Split at91_pm_init() in three variants that are called by the respective SoCs
.init_machine. This allows to remove the of_machine_is_compatible() calls and
move at91_pm_init() out of arch_initcall() which is required for multiplatform.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 71cc845263dc..81f2f12d3cc1 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -266,7 +266,7 @@ put_node: #endif -static int __init at91_pm_init(void) +static void __init at91_pm_init(void) { #ifdef CONFIG_AT91_SLOW_CLOCK at91_pm_sram_init(); @@ -274,29 +274,35 @@ static int __init at91_pm_init(void) pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : "")); - at91_pm_data.memctrl = AT91_MEMCTRL_SDRAMC; - at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; - - if (of_machine_is_compatible("atmel,at91rm9200")) { - /* - * AT91RM9200 SDRAM low-power mode cannot be used with - * self-refresh. - */ - at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); - - at91_pm_data.uhp_udp_mask = AT91RM9200_PMC_UHP | - AT91RM9200_PMC_UDP; - at91_pm_data.memctrl = AT91_MEMCTRL_MC; - } else if (of_machine_is_compatible("atmel,at91sam9g45")) { - at91_pm_data.uhp_udp_mask = AT91RM9200_PMC_UHP; - at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; - } - if (at91_cpuidle_device.dev.platform_data) platform_device_register(&at91_cpuidle_device); suspend_set_ops(&at91_pm_ops); +} - return 0; +void __init at91_rm9200_pm_init(void) +{ + /* + * AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. + */ + at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); + + at91_pm_data.uhp_udp_mask = AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP; + at91_pm_data.memctrl = AT91_MEMCTRL_MC; + + at91_pm_init(); +} + +void __init at91_sam9260_pm_init(void) +{ + at91_pm_data.memctrl = AT91_MEMCTRL_SDRAMC; + at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; + return at91_pm_init(); +} + +void __init at91_sam9g45_pm_init(void) +{ + at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP; + at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; + return at91_pm_init(); } -arch_initcall(at91_pm_init); |