Drop direct access to SOC's registers and use the function of the GPIO driver for da8xx.
Signed-off-by: Stefano Babic <[email protected]> CC: Bastian Ruppert <[email protected]> CC: [email protected] CC: Sandeep Paulraj <[email protected]> --- This is added to an existing patchset board/davinci/ea20/ea20.c | 32 +++++++++----------------------- include/configs/ea20.h | 2 ++ 2 files changed, 11 insertions(+), 23 deletions(-) diff --git a/board/davinci/ea20/ea20.c b/board/davinci/ea20/ea20.c index 720a360..e16c31b 100644 --- a/board/davinci/ea20/ea20.c +++ b/board/davinci/ea20/ea20.c @@ -35,7 +35,7 @@ #include <asm/arch/emac_defs.h> #include <asm/io.h> #include <asm/arch/davinci_misc.h> -#include <asm/arch/gpio.h> +#include <asm/gpio.h> #include <asm/arch/da8xx-fb.h> DECLARE_GLOBAL_DATA_PTR; @@ -182,29 +182,19 @@ int board_early_init_f(void) return 1; /* Set the RESETOUTn low */ - writel((readl(&gpio6_base->set_data) & ~(1 << 15)), - &gpio6_base->set_data); - writel((readl(&gpio6_base->dir) & ~(1 << 15)), &gpio6_base->dir); + gpio_direction_output(111, 0); /* Set U0_SW0 low for UART0 as console*/ - writel((readl(&gpio6_base->set_data) & ~(1 << 10)), - &gpio6_base->set_data); - writel((readl(&gpio6_base->dir) & ~(1 << 10)), &gpio6_base->dir); + gpio_direction_output(106, 0); /* Set U0_SW1 low for UART0 as console*/ - writel((readl(&gpio6_base->set_data) & ~(1 << 12)), - &gpio6_base->set_data); - writel((readl(&gpio6_base->dir) & ~(1 << 12)), &gpio6_base->dir); + gpio_direction_output(108, 0); /* Set LCD_B_PWR low to power down LCD Backlight*/ - writel((readl(&gpio6_base->set_data) & ~(1 << 6)), - &gpio6_base->set_data); - writel((readl(&gpio6_base->dir) & ~(1 << 6)), &gpio6_base->dir); + gpio_direction_output(102, 0); /* Set DISP_ON low to disable LCD output*/ - writel((readl(&gpio6_base->set_data) & ~(1 << 1)), - &gpio6_base->set_data); - writel((readl(&gpio6_base->dir) & ~(1 << 1)), &gpio6_base->dir); + gpio_direction_output(97, 0); #ifndef CONFIG_USE_IRQ irq_init(); @@ -266,12 +256,10 @@ int board_early_init_f(void) &davinci_syscfg_regs->mstpri[2]); /* Set LCD_B_PWR low to power up LCD Backlight*/ - writel((readl(&gpio6_base->set_data) | (1 << 6)), - &gpio6_base->set_data); + gpio_set_value(102, 1); /* Set DISP_ON low to disable LCD output*/ - writel((readl(&gpio6_base->set_data) | (1 << 1)), - &gpio6_base->set_data); + gpio_set_value(97, 1); return 0; } @@ -301,9 +289,7 @@ int board_late_init(void) return 1; /* Set HALTEN to high */ - writel((readl(&gpio8_base->set_data) | (1 << 6)), - &gpio8_base->set_data); - writel((readl(&gpio8_base->dir) & ~(1 << 6)), &gpio8_base->dir); + gpio_direction_output(134, 1); setenv("stdout", "serial"); diff --git a/include/configs/ea20.h b/include/configs/ea20.h index b99c620..d01b605 100644 --- a/include/configs/ea20.h +++ b/include/configs/ea20.h @@ -48,6 +48,7 @@ #define CONFIG_SYS_HZ 1000 #define CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SYS_TEXT_BASE 0xc1080000 +#define CONFIG_DA8XX_GPIO /* * Memory Info @@ -169,6 +170,7 @@ #define CONFIG_CMD_SAVES #define CONFIG_CMD_MEMORY #define CONFIG_CMD_I2C +#define CONFIG_CMD_GPIO #ifndef CONFIG_DRIVER_TI_EMAC #undef CONFIG_CMD_NET -- 1.7.1 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
