diff options
Diffstat (limited to 'board/bf548-ezkit/bf548-ezkit.c')
| -rw-r--r-- | board/bf548-ezkit/bf548-ezkit.c | 64 |
1 files changed, 12 insertions, 52 deletions
diff --git a/board/bf548-ezkit/bf548-ezkit.c b/board/bf548-ezkit/bf548-ezkit.c index 65fb81a..cb9ee86 100644 --- a/board/bf548-ezkit/bf548-ezkit.c +++ b/board/bf548-ezkit/bf548-ezkit.c @@ -7,10 +7,12 @@ */ #include <common.h> -#include <netdev.h> #include <config.h> #include <command.h> +#include <netdev.h> #include <asm/blackfin.h> +#include <asm/gpio.h> +#include <asm/portmux.h> #include <asm/sdh.h> DECLARE_GLOBAL_DATA_PTR; @@ -24,53 +26,13 @@ int checkboard(void) int board_early_init_f(void) { - /* Port H: PH8 - PH13 == A4 - A9 - * address lines of the parallel asynchronous memory interface - */ - - /************************************************ - * configure GPIO * - * set port H function enable register * - * configure PH8-PH13 as peripheral (not GPIO) * - *************************************************/ - bfin_write_PORTH_FER(0x3F03); - - /************************************************ - * set port H MUX to configure PH8-PH13 * - * 1st Function (MUX = 00) (bits 16-27 == 0) * - * Set to address signals A4-A9 * - *************************************************/ - bfin_write_PORTH_MUX(0); - - /************************************************ - * set port H direction register * - * enable PH8-PH13 as outputs * - *************************************************/ - bfin_write_PORTH_DIR_SET(0x3F00); - - /* Port I: PI0 - PH14 == A10 - A24 - * address lines of the parallel asynchronous memory interface - */ - - /************************************************ - * set port I function enable register * - * configure PI0-PI14 as peripheral (not GPIO) * - *************************************************/ - bfin_write_PORTI_FER(0x7fff); - - /************************************************** - * set PORT I MUX to configure PI14-PI0 as * - * 1st Function (MUX=00) - address signals A10-A24 * - ***************************************************/ - bfin_write_PORTI_MUX(0); - - /**************************************** - * set PORT I direction register * - * enable PI0 - PI14 as outputs * - *****************************************/ - bfin_write_PORTI_DIR_SET(0x7fff); - - return 0; + /* Set async addr lines as peripheral */ + const unsigned short pins[] = { + P_A4, P_A5, P_A6, P_A7, P_A8, P_A9, P_A10, P_A11, P_A12, + P_A13, P_A14, P_A15, P_A16, P_A17, P_A18, P_A19, P_A20, + P_A21, P_A22, P_A23, P_A24, 0 + }; + return peripheral_request_list(pins, "async"); } #ifdef CONFIG_SMC911X @@ -96,9 +58,7 @@ void board_musb_init(void) * be low for device mode and high for host mode. We set it high * here because we are in host mode. */ - bfin_write_PORTE_FER(bfin_read_PORTE_FER() & ~PE7); - bfin_write_PORTE_DIR_SET(PE7); - bfin_write_PORTE_SET(PE7); - SSYNC(); + gpio_request(GPIO_PE7, "musb-vbus"); + gpio_direction_output(GPIO_PE7, 1); } #endif |