diff options
Diffstat (limited to 'arch/arm/mach-imx/imx6.c')
-rw-r--r-- | arch/arm/mach-imx/imx6.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx6.c b/arch/arm/mach-imx/imx6.c new file mode 100644 index 0000000000..a443343853 --- /dev/null +++ b/arch/arm/mach-imx/imx6.c @@ -0,0 +1,71 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <init.h> +#include <common.h> +#include <io.h> +#include <sizes.h> +#include <mach/imx6-regs.h> + +#include "gpio.h" + +void *imx_gpio_base[] = { + (void *)MX6_GPIO1_BASE_ADDR, + (void *)MX6_GPIO2_BASE_ADDR, + (void *)MX6_GPIO3_BASE_ADDR, + (void *)MX6_GPIO4_BASE_ADDR, + (void *)MX6_GPIO5_BASE_ADDR, + (void *)MX6_GPIO6_BASE_ADDR, + (void *)MX6_GPIO7_BASE_ADDR, +}; + +int imx_gpio_count = ARRAY_SIZE(imx_gpio_base) * 32; + +void imx6_init_lowlevel(void) +{ + void __iomem *aips1 = (void *)MX6_AIPS1_ON_BASE_ADDR; + void __iomem *aips2 = (void *)MX6_AIPS2_ON_BASE_ADDR; + + /* + * Set all MPROTx to be non-bufferable, trusted for R/W, + * not forced to user-mode. + */ + writel(0x77777777, aips1); + writel(0x77777777, aips1 + 0x4); + writel(0, aips1 + 0x40); + writel(0, aips1 + 0x44); + writel(0, aips1 + 0x48); + writel(0, aips1 + 0x4c); + writel(0, aips1 + 0x50); + + writel(0x77777777, aips2); + writel(0x77777777, aips2 + 0x4); + writel(0, aips2 + 0x40); + writel(0, aips2 + 0x44); + writel(0, aips2 + 0x48); + writel(0, aips2 + 0x4c); + writel(0, aips2 + 0x50); + + /* enable all clocks */ + writel(0xffffffff, 0x020c4068); + writel(0xffffffff, 0x020c406c); + writel(0xffffffff, 0x020c4070); + writel(0xffffffff, 0x020c4074); + writel(0xffffffff, 0x020c4078); + writel(0xffffffff, 0x020c407c); + writel(0xffffffff, 0x020c4080); +} |