diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2015-10-11 11:43:38 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-12 11:37:58 +0200 |
| commit | 707ca96a1f60531dda81cc2b39c2641f21203011 (patch) | |
| tree | 32df9a30cd77875242ed02c0455b6f30970e5b43 /arch/arm/boards/freescale-mx6-sabresd/lowlevel.c | |
| parent | 54bf38665024f797518726d0ecf612c3cf50e4d9 (diff) | |
| download | barebox-707ca96a1f60531dda81cc2b39c2641f21203011.tar.gz barebox-707ca96a1f60531dda81cc2b39c2641f21203011.tar.xz | |
freescale-mx6-sabresd: Add CONFIG_DEBUG_LL support
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-mx6-sabresd/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/freescale-mx6-sabresd/lowlevel.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/boards/freescale-mx6-sabresd/lowlevel.c b/arch/arm/boards/freescale-mx6-sabresd/lowlevel.c index 73eed1d068..b329f4684e 100644 --- a/arch/arm/boards/freescale-mx6-sabresd/lowlevel.c +++ b/arch/arm/boards/freescale-mx6-sabresd/lowlevel.c @@ -1,9 +1,28 @@ +#include <debug_ll.h> #include <common.h> #include <linux/sizes.h> #include <mach/generic.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> +static inline void setup_uart(void) +{ + void __iomem *iomuxbase = IOMEM(MX6_IOMUXC_BASE_ADDR); + + imx6_ungate_all_peripherals(); + + writel(0x1b0b1, iomuxbase + 0x0650); + writel(3, iomuxbase + 0x0280); + + writel(0x1b0b1, iomuxbase + 0x0654); + writel(3, iomuxbase + 0x0284); + writel(1, iomuxbase + 0x0920); + + imx6_uart_setup_ll(); + + putc_ll('>'); +} + extern char __dtb_imx6q_sabresd_start[]; ENTRY_FUNCTION(start_imx6q_sabresd, r0, r1, r2) @@ -12,6 +31,9 @@ ENTRY_FUNCTION(start_imx6q_sabresd, r0, r1, r2) imx6_cpu_lowlevel_init(); + if (IS_ENABLED(CONFIG_DEBUG_LL)) + setup_uart(); + fdt = __dtb_imx6q_sabresd_start - get_runtime_offset(); barebox_arm_entry(0x10000000, SZ_1G, fdt); |