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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2015-05-06 12:32:01 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-05-07 09:49:39 +0200 |
| commit | 5887b0701baab73fcc008daf1e5a48e49879d4e9 (patch) | |
| tree | ea8193901bea7b786d95709cd029e72e6df1910d /arch/arm/boards/guf-santaro/lowlevel.c | |
| parent | 95df4587ef57428b4459ba97fb9a7b890f0c1a86 (diff) | |
| download | barebox-5887b0701baab73fcc008daf1e5a48e49879d4e9.tar.gz barebox-5887b0701baab73fcc008daf1e5a48e49879d4e9.tar.xz | |
i.MX: serial: Convert i.MX51 and i.MX6 to use 'imx*_uart_setup_ll'
NOTE: Boards 'karo-tx25' and 'tqma53' can benefit from this
refactoring as well, but they were not converted because of the lack
of i.MX25 or i.MX53 based hardware to test on.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/guf-santaro/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/guf-santaro/lowlevel.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/arm/boards/guf-santaro/lowlevel.c b/arch/arm/boards/guf-santaro/lowlevel.c index 7753cea4e2..3ccabf40a3 100644 --- a/arch/arm/boards/guf-santaro/lowlevel.c +++ b/arch/arm/boards/guf-santaro/lowlevel.c @@ -9,20 +9,11 @@ static inline void setup_uart(void) { - void __iomem *uartbase = (void *)MX6_UART2_BASE_ADDR; void __iomem *iomuxbase = (void *)MX6_IOMUXC_BASE_ADDR; writel(0x1, iomuxbase + 0x2b0); - writel(0x00000000, uartbase + 0x80); - writel(0x00004027, uartbase + 0x84); - writel(0x00000704, uartbase + 0x88); - writel(0x00000a81, uartbase + 0x90); - writel(0x0000002b, uartbase + 0x9c); - writel(0x00013880, uartbase + 0xb0); - writel(0x0000047f, uartbase + 0xa4); - writel(0x0000c34f, uartbase + 0xa8); - writel(0x00000001, uartbase + 0x80); + imx6_uart_setup_ll(); putc_ll('>'); } @@ -38,10 +29,12 @@ ENTRY_FUNCTION(start_imx6q_guf_santaro, r0, r1, r2) arm_setup_stack(0x00920000 - 8); - for (i = 0x68; i <= 0x80; i += 4) - writel(0xffffffff, MX6_CCM_BASE_ADDR + i); + if (IS_ENABLED(CONFIG_DEBUG_LL)) { + for (i = 0x68; i <= 0x80; i += 4) + writel(0xffffffff, MX6_CCM_BASE_ADDR + i); - setup_uart(); + setup_uart(); + } fdt = __dtb_imx6q_guf_santaro_start - get_runtime_offset(); |