diff options
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/snow/bootblock.c | 107 |
1 files changed, 9 insertions, 98 deletions
diff --git a/src/mainboard/google/snow/bootblock.c b/src/mainboard/google/snow/bootblock.c index 90a2de188e..fc0b20814b 100644 --- a/src/mainboard/google/snow/bootblock.c +++ b/src/mainboard/google/snow/bootblock.c @@ -17,90 +17,20 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <stdlib.h> #include <types.h> -#include <assert.h> -#include <arch/armv7/include/common.h> #include <arch/io.h> -#include "cpu/samsung/exynos5250/clk.h" -#include "cpu/samsung/exynos5250/cpu.h" -#include "cpu/samsung/exynos5250/dmc.h" -#include "cpu/samsung/exynos5250/gpio.h" -#include "cpu/samsung/exynos5250/periph.h" -#include "cpu/samsung/exynos5250/setup.h" -#include "cpu/samsung/exynos5250/clock_init.h" -#include "cpu/samsung/s5p-common/gpio.h" -#include "cpu/samsung/s5p-common/s3c24x0_i2c.h" -#include "cpu/samsung/exynos5-common/spi.h" - -#include <device/i2c.h> -#include <drivers/maxim/max77686/max77686.h> +#include <cbfs.h> #include <uart.h> - #include <console/console.h> -#include <cbfs.h> - -#define EXYNOS5_CLOCK_BASE 0x10010000 - -#define CONFIG_SYS_CLK_FREQ 24000000 - -void puts(const char *s); -void puts(const char *s) -{ - int n = 0; - - while (*s) { - if (*s == '\n') { - uart_tx_byte(0xd); /* CR */ - } - - uart_tx_byte(*s++); - n++; - } -} - -static void do_serial(void) -{ - //exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); - gpio_set_pull(GPIO_A14, EXYNOS_GPIO_PULL_NONE); - gpio_cfg_pin(GPIO_A15, EXYNOS_GPIO_FUNC(0x2)); - - uart_init(); -} +#include <device/i2c.h> +#include <cpu/samsung/exynos5250/clk.h> +#include <cpu/samsung/exynos5250/dmc.h> +#include <cpu/samsung/exynos5250/periph.h> +#include <cpu/samsung/exynos5250/clock_init.h> +#include <drivers/maxim/max77686/max77686.h> #define I2C0_BASE 0x12c60000 -void do_barriers(void); -void do_barriers(void) -{ - /* - * The reason we don't write out the instructions dsb/isb/sev: - * While ARM Cortex-A8 supports ARM v7 instruction set (-march=armv7a), - * we compile with -march=armv5 to allow more compilers to work. - * For U-Boot code this has no performance impact. - */ - __asm__ __volatile__( -#if defined(__thumb__) - ".hword 0xF3BF, 0x8F4F\n" /* dsb; darn -march=armv5 */ - ".hword 0xF3BF, 0x8F6F\n" /* isb; darn -march=armv5 */ - ".hword 0xBF40\n" /* sev; darn -march=armv5 */ -#else - ".word 0xF57FF04F\n" /* dsb; darn -march=armv5 */ - ".word 0xF57FF06F\n" /* isb; darn -march=armv5 */ - ".word 0xE320F004\n" /* sev; darn -march=armv5 */ -#endif - ); -} - -/* is this right? meh, it seems to work well enough... */ -void my_udelay(unsigned int n); -void my_udelay(unsigned int n) -{ - n *= 1000; - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (n):"0"(n)); -} - /* * Max77686 parameters values * see max77686.h for parameters details @@ -359,13 +289,6 @@ static void power_init(void) #define is_digit isdigit #define isxdigit(c) (((c) >= '0' && (c) <= '9') || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F')) -void __div0 (void); -void __div0 (void) -{ - puts("divide by zero detected"); - while(1) ; -} - static int skip_atoi(const char **s) { int i=0; @@ -649,20 +572,8 @@ void bootblock_mainboard_init(void) mem = get_mem_timings(); arm_ratios = get_arm_clk_ratios(); system_clock_init(mem, arm_ratios); - do_serial(); + exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + uart_init(); printk(BIOS_INFO, "%s: UART initialized\n", __func__); - -#if 0 - /* FIXME: dump SRAM content for sanity checking */ - uint32_t u; - for (u = CONFIG_SPI_IMAGE_HACK; u < CONFIG_SPI_IMAGE_HACK + 128; u++) { - if (u % 16 == 0) - printk(BIOS_INFO, "\n0x%08x: ", u); - else - printk(BIOS_INFO, " "); - printk(BIOS_INFO, "%02x", *(uint8_t *)(u)); - } - printk(BIOS_INFO, "\n"); -#endif printk(BIOS_INFO, "%s: finished\n", __func__); } |