diff options
author | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2013-12-13 20:44:48 -0600 |
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committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2014-01-08 22:54:08 +0100 |
commit | f64111b4865d611821950b25dc1ea235d8d9ca79 (patch) | |
tree | d61eef4c9476ada907f0d91e93c2707aed44df96 /src/cpu/allwinner/a10/gpio.h | |
parent | 34286b861a9427520f3f3afb8bf64bfa7de37c24 (diff) | |
download | coreboot-f64111b4865d611821950b25dc1ea235d8d9ca79.tar.xz |
cpu: Add initial support for Allwinner A10 SoC
Add minimal support needed to get a bootblock capable of initialising
a serial console.
Change-Id: I50dd85544549baf9c5ea0aa3b4296972136c02a4
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4549
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu/allwinner/a10/gpio.h')
-rw-r--r-- | src/cpu/allwinner/a10/gpio.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/cpu/allwinner/a10/gpio.h b/src/cpu/allwinner/a10/gpio.h new file mode 100644 index 0000000000..f285451b17 --- /dev/null +++ b/src/cpu/allwinner/a10/gpio.h @@ -0,0 +1,51 @@ +/* + * Definitions for GPIO and pin multiplexing on Allwinner CPUs + * + * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com> + * Subject to the GNU GPL v2, or (at your option) any later version. + */ + +#ifndef __CPU_ALLWINNER_A10_PINMUX_H +#define __CPU_ALLWINNER_A10_PINMUX_H + +#include <types.h> + +#define GPIO_BASE 0x01C20800 + +#define GPA 0 +#define GPB 1 +#define GPC 2 +#define GPD 3 +#define GPE 4 +#define GPF 5 +#define GPG 6 +#define GPH 7 +#define GPI 8 +#define GPS 9 + +struct a10_gpio_port { + u32 cfg[4]; + u32 dat; + u32 drv[2]; + u32 pul[2]; +} __attribute__ ((packed)); + +struct a10_gpio { + struct a10_gpio_port port[10]; + u8 reserved_0x168[0x98]; + + /* Offset 0x200 */ + u32 int_cfg[4]; + + u32 int_ctl; + u32 int_sta; + u8 reserved_0x21C[4]; + u32 int_deb; + + u32 sdr_pad_drv; + u32 sdr_pad_pul; +} __attribute__ ((packed)); + +void gpio_set_func(u8 port, u8 pin, u8 pad_func); + +#endif /* __CPU_ALLWINNER_A10_PINMUX_H */ |