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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2016-11-09 08:13:53 -0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-11-11 08:57:25 +0100 |
| commit | d8162dd6f18eeb51d1a3176e5edf40d150b11e32 (patch) | |
| tree | a39894b0cc4c549ad7a322552d338e6bd0b556d5 /arch/arm/boards/freescale-vf610-twr/lowlevel.c | |
| parent | d72301826ee9770964398486e48b5104d4ea07f8 (diff) | |
| download | barebox-d8162dd6f18eeb51d1a3176e5edf40d150b11e32.tar.gz barebox-d8162dd6f18eeb51d1a3176e5edf40d150b11e32.tar.xz | |
i.MX: Add support for VF610 Tower board
Add support for VF610 Tower board.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/freescale-vf610-twr/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/freescale-vf610-twr/lowlevel.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/boards/freescale-vf610-twr/lowlevel.c b/arch/arm/boards/freescale-vf610-twr/lowlevel.c new file mode 100644 index 0000000000..65042736c9 --- /dev/null +++ b/arch/arm/boards/freescale-vf610-twr/lowlevel.c @@ -0,0 +1,45 @@ +#include <common.h> +#include <linux/sizes.h> +#include <mach/generic.h> +#include <asm/barebox-arm-head.h> +#include <asm/barebox-arm.h> +#include <mach/vf610-regs.h> +#include <mach/clock-vf610.h> +#include <mach/iomux-vf610.h> +#include <debug_ll.h> + +static inline void setup_uart(void) +{ + void __iomem *iomuxbase = IOMEM(VF610_IOMUXC_BASE_ADDR); + + vf610_ungate_all_peripherals(); + + /* + * VF610_PAD_PTB4__UART1_TX + */ + writel(VF610_UART_PAD_CTRL | (2 << 20), iomuxbase + 0x0068); + writel(0, iomuxbase + 0x0380); + + vf610_uart_setup_ll(); +} + +extern char __dtb_vf610_twr_start[]; + +ENTRY_FUNCTION(start_vf610_twr, r0, r1, r2) +{ + int i; + void *fdt; + void __iomem *mscm = IOMEM(VF610_MSCM_BASE_ADDR); + + vf610_cpu_lowlevel_init(); + + for (i = 0; i < VF610_MSCM_IRSPRC_NUM; i++) + writew(VF610_MSCM_IRSPRC_CP0_EN, + mscm + VF610_MSCM_IRSPRC(i)); + + if (IS_ENABLED(CONFIG_DEBUG_LL)) + setup_uart(); + + fdt = __dtb_vf610_twr_start - get_runtime_offset(); + barebox_arm_entry(0x80000000, SZ_128M, fdt); +} |