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snow: remove dead code from bootblock 

This attempts to clean out some dead code which was copy + pasted
into Snow's bootblock.c file, along with some unnecessary headers.

Change-Id: If9f157a52395a047c249a2a6385e0e8ddf310e59
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2291
Tested-by: build bot (Jenkins)
This commit is contained in:
David Hendricks 2013-02-05 15:24:54 -08:00
parent da147d7ae3
commit 23b5afe565
1 changed files with 10 additions and 99 deletions
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109
src/mainboard/google/snow/bootblock.c
View File

@ -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 <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 <uart.h>
#include <console/console.h>
#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__);
}