diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9rl.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 6a9d24e5ed8..1a40f16b66c 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -190,6 +190,24 @@ static struct clk *periph_clocks[] __initdata = { // irq0 }; +static struct clk_lookup periph_clocks_lookups[] = { + CLKDEV_CON_DEV_ID("hclk", "atmel_usba_udc.0", &utmi_clk), + CLKDEV_CON_DEV_ID("pclk", "atmel_usba_udc.0", &udphs_clk), + CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), + CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), + CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), + CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), +}; + +static struct clk_lookup usart_clocks_lookups[] = { + CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk), + CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk), +}; + /* * The two programmable clocks. * You must configure pin multiplexing to bring these signals out. @@ -214,10 +232,27 @@ static void __init at91sam9rl_register_clocks(void) for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) clk_register(periph_clocks[i]); + clkdev_add_table(periph_clocks_lookups, + ARRAY_SIZE(periph_clocks_lookups)); + clkdev_add_table(usart_clocks_lookups, + ARRAY_SIZE(usart_clocks_lookups)); + clk_register(&pck0); clk_register(&pck1); } +static struct clk_lookup console_clock_lookup; + +void __init at91sam9rl_set_console_clock(int id) +{ + if (id >= ARRAY_SIZE(usart_clocks_lookups)) + return; + + console_clock_lookup.con_id = "usart"; + console_clock_lookup.clk = usart_clocks_lookups[id].clk; + clkdev_add(&console_clock_lookup); +} + /* -------------------------------------------------------------------- * GPIO * -------------------------------------------------------------------- */ @@ -252,7 +287,7 @@ static void at91sam9rl_poweroff(void) * AT91SAM9RL processor initialization * -------------------------------------------------------------------- */ -void __init at91sam9rl_initialize(unsigned long main_clock) +void __init at91sam9rl_map_io(void) { unsigned long cidr, sram_size; @@ -275,7 +310,10 @@ void __init at91sam9rl_initialize(unsigned long main_clock) /* Map SRAM */ iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc)); +} +void __init at91sam9rl_initialize(unsigned long main_clock) +{ at91_arch_reset = at91sam9_alt_reset; pm_power_off = at91sam9rl_poweroff; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); |