From 14bc66bd9a1d8073a12c6e785ab379909f620356 Mon Sep 17 00:00:00 2001 From: Henrik Nordstrom Date: Fri, 13 Jun 2014 22:55:50 +0200 Subject: 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 Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- board/sunxi/board.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'board/sunxi') 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 +#ifdef CONFIG_AXP209_POWER +#include +#endif #include #include #include @@ -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 -- cgit v1.1