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author | Henrik Nordstrom <henrik@henriknordstrom.net> | 2014-06-13 20:55:50 (GMT) |
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committer | Ian Campbell <ijc@hellion.org.uk> | 2014-07-18 18:42:10 (GMT) |
commit | 14bc66bd9a1d8073a12c6e785ab379909f620356 (patch) | |
tree | 6c3afe5e3736d14bae914b2f2b03996122233f2b /board/sunxi/board.c | |
parent | 6620377e4b8be3c232c59d673efcd673c30bc69f (diff) | |
download | u-boot-14bc66bd9a1d8073a12c6e785ab379909f620356.tar.xz |
sunxi: Add axp209 pmic support
Add support for the x-powers axp209 pmic which is found on most A10, A13 and
A20 boards.
And enable AXP209 support for the Cubietruck and Cubieboard boards.
Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'board/sunxi/board.c')
-rw-r--r-- | board/sunxi/board.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 543b809..8375711 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -12,6 +12,9 @@ */ #include <common.h> +#ifdef CONFIG_AXP209_POWER +#include <axp209.h> +#endif #include <asm/arch/clock.h> #include <asm/arch/dram.h> #include <asm/arch/gpio.h> @@ -116,12 +119,31 @@ void i2c_init_board(void) #ifdef CONFIG_SPL_BUILD void sunxi_board_init(void) { + int power_failed = 0; unsigned long ramsize; +#ifdef CONFIG_AXP209_POWER + power_failed |= axp209_init(); + power_failed |= axp209_set_dcdc2(1400); + power_failed |= axp209_set_dcdc3(1250); + power_failed |= axp209_set_ldo2(3000); + power_failed |= axp209_set_ldo3(2800); + power_failed |= axp209_set_ldo4(2800); +#endif + printf("DRAM:"); ramsize = sunxi_dram_init(); printf(" %lu MiB\n", ramsize >> 20); if (!ramsize) hang(); + + /* + * Only clock up the CPU to full speed if we are reasonably + * assured it's being powered with suitable core voltage + */ + if (!power_failed) + clock_set_pll1(CONFIG_CLK_FULL_SPEED); + else + printf("Failed to set core voltage! Can't set CPU frequency\n"); } #endif |