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author | Tom Rini <trini@ti.com> | 2012-07-31 10:50:01 -0700 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:13 +0200 |
commit | db7dd8109cad3ccdea23d2eebafe588f2ab585d6 (patch) | |
tree | fd91465a7ca98875dd631f9e787a1bf63b6a42c2 /arch/arm/include/asm/arch-am33xx/sys_proto.h | |
parent | 726c05d2cfc0f0062cc7a32c0e06ab775b43c04c (diff) | |
download | u-boot-imx-db7dd8109cad3ccdea23d2eebafe588f2ab585d6.zip u-boot-imx-db7dd8109cad3ccdea23d2eebafe588f2ab585d6.tar.gz u-boot-imx-db7dd8109cad3ccdea23d2eebafe588f2ab585d6.tar.bz2 |
am33xx: Rework pinmux functions
- Move definition of the EEPROM contents to <asm/arch/sys_proto.h>
- Make some defines a little less generic now.
- Pinmux must be done by done by SPL now.
- Create 3 pinmux functions, uart0, i2c0 and board.
- Add pinmux specific to Starter Kit EVM for MMC now.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/include/asm/arch-am33xx/sys_proto.h')
-rw-r--r-- | arch/arm/include/asm/arch-am33xx/sys_proto.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h index eef5573..8a4b248 100644 --- a/arch/arm/include/asm/arch-am33xx/sys_proto.h +++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h @@ -19,6 +19,24 @@ #ifndef _SYS_PROTO_H_ #define _SYS_PROTO_H_ +/* + * AM335x parts define a system EEPROM that defines certain sub-fields. + * We use these fields to in turn see what board we are on, and what + * that might require us to set or not set. + */ +#define HDR_NO_OF_MAC_ADDR 3 +#define HDR_ETH_ALEN 6 +#define HDR_NAME_LEN 8 + +struct am335x_baseboard_id { + unsigned int magic; + char name[HDR_NAME_LEN]; + char version[4]; + char serial[12]; + char config[32]; + char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; +}; + #define BOARD_REV_ID 0x0 u32 get_cpu_rev(void); @@ -31,4 +49,14 @@ int print_cpuinfo(void); u32 get_device_type(void); void setup_clocks_for_console(void); void ddr_pll_config(unsigned int ddrpll_M); + +/* + * We have three pin mux functions that must exist. We must be able to enable + * uart0, for initial output and i2c0 to read the main EEPROM. We then have a + * main pinmux function that can be overridden to enable all other pinmux that + * is required on the board. + */ +void enable_uart0_pin_mux(void); +void enable_i2c0_pin_mux(void); +void enable_board_pin_mux(struct am335x_baseboard_id *header); #endif |