diff options
Diffstat (limited to 'arch/arm/cpu/armv7/u8500/clock.c')
| -rw-r--r-- | arch/arm/cpu/armv7/u8500/clock.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/u8500/clock.c b/arch/arm/cpu/armv7/u8500/clock.c index 9e3b87394..fcfd61a1f 100644 --- a/arch/arm/cpu/armv7/u8500/clock.c +++ b/arch/arm/cpu/armv7/u8500/clock.c @@ -54,3 +54,37 @@ void u8500_clock_enable(int periph, int cluster, int kern) if (cluster != -1) writel(1 << cluster, &clkrst->pcken); } + +void db8500_clocks_init(void) +{ + /* + * Enable all clocks. This is u-boot, we can enable it all. There is no + * powersave in u-boot. + */ + + u8500_clock_enable(1, 9, -1); /* GPIO0 */ + u8500_clock_enable(2, 11, -1);/* GPIO1 */ + u8500_clock_enable(3, 8, -1); /* GPIO2 */ + u8500_clock_enable(5, 1, -1); /* GPIO3 */ + u8500_clock_enable(3, 6, 6); /* UART2 */ + u8500_clock_enable(3, 3, 3); /* I2C0 */ + u8500_clock_enable(1, 5, 5); /* SDI0 */ + u8500_clock_enable(2, 4, 2); /* SDI4 */ + u8500_clock_enable(6, 6, -1); /* MTU0 */ + u8500_clock_enable(3, 4, 4); /* SDI2 */ + + /* + * Enabling clocks for all devices which are AMBA devices in the + * kernel. Otherwise they will not get probe()'d because the + * peripheral ID register will not be powered. + */ + + /* XXX: some of these differ between ED/V1 */ + + u8500_clock_enable(1, 1, 1); /* UART1 */ + u8500_clock_enable(1, 0, 0); /* UART0 */ + u8500_clock_enable(3, 2, 2); /* SSP1 */ + u8500_clock_enable(3, 1, 1); /* SSP0 */ + u8500_clock_enable(2, 8, -1); /* SPI0 */ + u8500_clock_enable(2, 5, 3); /* MSP2 */ +} |