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authorHung-Te Lin <hungte@chromium.org>2013-02-04 14:38:03 +0800
committerRonald G. Minnich <rminnich@gmail.com>2013-02-07 06:10:09 +0100
commit5f83f6cb7a3f179482db54aaff38f23795dc1acf (patch)
treebd94e259d2ae6fab8e4b993d04215b0964d8bf5f /src/mainboard/google
parentc720d8d5d419d8e9128392cd7ab90e3a3fca1d4b (diff)
downloadcoreboot-5f83f6cb7a3f179482db54aaff38f23795dc1acf.tar.xz
armv7: Clean up arm/snow bootblock build process.
Remove duplicated / testing code and share more driver for bootblock, romstage and ramstage. The __PRE_RAM__ is now also defined in bootblock build stage, since bootblock is executed before RAM is initialized. Change-Id: I4f5469b1545631eee1cf9f2f5df93cbe3a58268b Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: http://review.coreboot.org/2282 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/snow/bootblock.c536
-rw-r--r--src/mainboard/google/snow/romstage.c59
2 files changed, 13 insertions, 582 deletions
diff --git a/src/mainboard/google/snow/bootblock.c b/src/mainboard/google/snow/bootblock.c
index fc0b20814b..64b12c68d2 100644
--- a/src/mainboard/google/snow/bootblock.c
+++ b/src/mainboard/google/snow/bootblock.c
@@ -17,6 +17,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#if CONFIG_EARLY_SERIAL_CONSOLE
#include <types.h>
#include <arch/io.h>
#include <cbfs.h>
@@ -27,553 +28,28 @@
#include <cpu/samsung/exynos5250/dmc.h>
#include <cpu/samsung/exynos5250/periph.h>
#include <cpu/samsung/exynos5250/clock_init.h>
+#include <src/cpu/samsung/exynos5250/power.h>
#include <drivers/maxim/max77686/max77686.h>
#define I2C0_BASE 0x12c60000
-
-/*
- * Max77686 parameters values
- * see max77686.h for parameters details
- */
-struct max77686_para max77686_param[] = {/*{vol_addr, vol_bitpos,
- vol_bitmask, reg_enaddr, reg_enbitpos, reg_enbitmask, reg_enbiton,
- reg_enbitoff, vol_min, vol_div}*/
- {/* PMIC_BUCK1 */ 0x11, 0x0, 0x3F, 0x10, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_BUCK2 */ 0x14, 0x0, 0xFF, 0x12, 0x4, 0x3, 0x1, 0x0, 600, 12500},
- {/* PMIC_BUCK3 */ 0x1E, 0x0, 0xFF, 0x1C, 0x4, 0x3, 0x1, 0x0, 600, 12500},
- {/* PMIC_BUCK4 */ 0x28, 0x0, 0xFF, 0x26, 0x4, 0x3, 0x1, 0x0, 600, 12500},
- {/* PMIC_BUCK5 */ 0x31, 0x0, 0x3F, 0x30, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_BUCK6 */ 0x33, 0x0, 0x3F, 0x32, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_BUCK7 */ 0x35, 0x0, 0x3F, 0x34, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_BUCK8 */ 0x37, 0x0, 0x3F, 0x36, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_BUCK9 */ 0x39, 0x0, 0x3F, 0x38, 0x0, 0x3, 0x3, 0x0, 750, 50000},
- {/* PMIC_LDO1 */ 0x40, 0x0, 0x3F, 0x40, 0x6, 0x3, 0x3, 0x0, 800, 25000},
- {/* PMIC_LDO2 */ 0x41, 0x0, 0x3F, 0x41, 0x6, 0x3, 0x1, 0x0, 800, 25000},
- {/* PMIC_LDO3 */ 0x42, 0x0, 0x3F, 0x42, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO4 */ 0x43, 0x0, 0x3F, 0x43, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO5 */ 0x44, 0x0, 0x3F, 0x44, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO6 */ 0x45, 0x0, 0x3F, 0x45, 0x6, 0x3, 0x1, 0x0, 800, 25000},
- {/* PMIC_LDO7 */ 0x46, 0x0, 0x3F, 0x46, 0x6, 0x3, 0x1, 0x0, 800, 25000},
- {/* PMIC_LDO8 */ 0x47, 0x0, 0x3F, 0x47, 0x6, 0x3, 0x1, 0x0, 800, 25000},
- {/* PMIC_LDO9 */ 0x48, 0x0, 0x3F, 0x48, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO10 */ 0x49, 0x0, 0x3F, 0x49, 0x6, 0x3, 0x1, 0x0, 800, 50000},
- {/* PMIC_LDO11 */ 0x4A, 0x0, 0x3F, 0x4A, 0x6, 0x3, 0x1, 0x0, 800, 50000},
- {/* PMIC_LDO12 */ 0x4B, 0x0, 0x3F, 0x4B, 0x6, 0x3, 0x1, 0x0, 800, 50000},
- {/* PMIC_LDO13 */ 0x4C, 0x0, 0x3F, 0x4C, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO14 */ 0x4D, 0x0, 0x3F, 0x4D, 0x6, 0x3, 0x1, 0x0, 800, 50000},
- {/* PMIC_LDO15 */ 0x4E, 0x0, 0x3F, 0x4E, 0x6, 0x3, 0x1, 0x0, 800, 25000},
- {/* PMIC_LDO16 */ 0x4F, 0x0, 0x3F, 0x4F, 0x6, 0x3, 0x1, 0x0, 800, 50000},
- {/* PMIC_LDO17 */ 0x50, 0x0, 0x3F, 0x50, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO18 */ 0x51, 0x0, 0x3F, 0x51, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO19 */ 0x52, 0x0, 0x3F, 0x52, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO20 */ 0x53, 0x0, 0x3F, 0x53, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO21 */ 0x54, 0x0, 0x3F, 0x54, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO22 */ 0x55, 0x0, 0x3F, 0x55, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO23 */ 0x56, 0x0, 0x3F, 0x56, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO24 */ 0x57, 0x0, 0x3F, 0x57, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO25 */ 0x58, 0x0, 0x3F, 0x58, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_LDO26 */ 0x59, 0x0, 0x3F, 0x59, 0x6, 0x3, 0x3, 0x0, 800, 50000},
- {/* PMIC_EN32KHZ_CP */ 0x0, 0x0, 0x0, 0x7F, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0},
-};
-
-/*
- * Write a value to a register
- *
- * @param chip_addr i2c addr for max77686
- * @param reg reg number to write
- * @param val value to be written
- *
- */
-static inline int max77686_i2c_write(unsigned char chip_addr,
- unsigned int reg, unsigned char val)
-{
- return i2c_write(chip_addr, reg, 1, &val, 1);
-}
-
-/*
- * Read a value from a register
- *
- * @param chip_addr i2c addr for max77686
- * @param reg reg number to write
- * @param val value to be written
- *
- */
-static inline int max77686_i2c_read(unsigned char chip_addr,
- unsigned int reg, unsigned char *val)
-{
- return i2c_read(chip_addr, reg, 1, val, 1);
-}
-
-/* Chip register numbers (not exported from this module) */
-enum {
- REG_BBAT = 0x7e,
-
- /* Bits for BBAT */
- BBAT_BBCHOSTEN_MASK = 1 << 0,
- BBAT_BBCVS_SHIFT = 3,
- BBAT_BBCVS_MASK = 3 << BBAT_BBCVS_SHIFT,
-};
-
-int max77686_disable_backup_batt(void)
-{
- unsigned char val;
- int ret;
-
- //i2c_set_bus_num(0);
- ret = max77686_i2c_read(MAX77686_I2C_ADDR, REG_BBAT, &val);
- if (ret) {
-// debug("max77686 i2c read failed\n");
- return ret;
- }
-
- /* If we already have the correct values, exit */
- if ((val & (BBAT_BBCVS_MASK | BBAT_BBCHOSTEN_MASK)) ==
- BBAT_BBCVS_MASK)
- return 0;
-
- /* First disable charging */
- val &= ~BBAT_BBCHOSTEN_MASK;
- ret = max77686_i2c_write(MAX77686_I2C_ADDR, REG_BBAT, val);
- if (ret) {
- //debug("max77686 i2c write failed\n");
- return -1;
- }
-
- /* Finally select 3.5V to minimize power consumption */
- val |= BBAT_BBCVS_MASK;
- ret = max77686_i2c_write(MAX77686_I2C_ADDR, REG_BBAT, val);
- if (ret) {
- //debug("max77686 i2c write failed\n");
- return -1;
- }
-
- return 0;
-}
-
-static int max77686_enablereg(enum max77686_regnum reg, int enable)
-{
- struct max77686_para *pmic;
- unsigned char read_data;
- int ret;
-
- pmic = &max77686_param[reg];
-
- ret = max77686_i2c_read(MAX77686_I2C_ADDR, pmic->reg_enaddr,
- &read_data);
- if (ret != 0) {
- //debug("max77686 i2c read failed.\n");
- return -1;
- }
-
- if (enable == REG_DISABLE) {
- clrbits_8(&read_data,
- pmic->reg_enbitmask << pmic->reg_enbitpos);
- } else {
- clrsetbits_8(&read_data,
- pmic->reg_enbitmask << pmic->reg_enbitpos,
- pmic->reg_enbiton << pmic->reg_enbitpos);
- }
-
- ret = max77686_i2c_write(MAX77686_I2C_ADDR,
- pmic->reg_enaddr, read_data);
- if (ret != 0) {
- //debug("max77686 i2c write failed.\n");
- return -1;
- }
-
- return 0;
-}
-
-static int max77686_do_volsetting(enum max77686_regnum reg, unsigned int volt,
- int enable, int volt_units)
-{
- struct max77686_para *pmic;
- unsigned char read_data;
- int vol_level = 0;
- int ret;
-
- pmic = &max77686_param[reg];
-
- if (pmic->vol_addr == 0) {
- //debug("not a voltage register.\n");
- return -1;
- }
-
- ret = max77686_i2c_read(MAX77686_I2C_ADDR, pmic->vol_addr, &read_data);
- if (ret != 0) {
- //debug("max77686 i2c read failed.\n");
- return -1;
- }
-
- if (volt_units == MAX77686_UV)
- vol_level = volt - (u32)pmic->vol_min * 1000;
- else
- vol_level = (volt - (u32)pmic->vol_min) * 1000;
-
- if (vol_level < 0) {
- //debug("Not a valid voltage level to set\n");
- return -1;
- }
- vol_level /= (u32)pmic->vol_div;
-
- clrsetbits_8(&read_data, pmic->vol_bitmask << pmic->vol_bitpos,
- vol_level << pmic->vol_bitpos);
-
- ret = max77686_i2c_write(MAX77686_I2C_ADDR, pmic->vol_addr, read_data);
- if (ret != 0) {
- //debug("max77686 i2c write failed.\n");
- return -1;
- }
-
- ret = max77686_enablereg(reg, enable);
- if (ret != 0) {
- //debug("Failed to enable buck/ldo.\n");
- return -1;
- }
- return 0;
-}
-
-int max77686_volsetting(enum max77686_regnum reg, unsigned int volt,
- int enable, int volt_units)
-{
-// int old_bus = i2c_get_bus_num();
- int ret;
-
-// i2c_set_bus_num(0);
- ret = max77686_do_volsetting(reg, volt, enable, volt_units);
-// i2c_set_bus_num(old_bus);
- return ret;
-}
-
-/* power_init() stuff */
-static void power_init(void)
-{
- max77686_disable_backup_batt();
-
-#if 0
- /* FIXME: for debugging... */
- volatile unsigned long *addr = (unsigned long *)0x1004330c;
- *addr |= 0x100;
- while (1);
#endif
- max77686_volsetting(PMIC_BUCK2, CONFIG_VDD_ARM_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_BUCK3, CONFIG_VDD_INT_UV,
- REG_ENABLE, MAX77686_UV);
- max77686_volsetting(PMIC_BUCK1, CONFIG_VDD_MIF_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_BUCK4, CONFIG_VDD_G3D_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_LDO2, CONFIG_VDD_LDO2_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_LDO3, CONFIG_VDD_LDO3_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_LDO5, CONFIG_VDD_LDO5_MV,
- REG_ENABLE, MAX77686_MV);
- max77686_volsetting(PMIC_LDO10, CONFIG_VDD_LDO10_MV,
- REG_ENABLE, MAX77686_MV);
-}
-
-#include <console/vtxprintf.h>
-#include <string.h>
-#define ZEROPAD 1 /* pad with zero */
-#define SIGN 2 /* unsigned/signed long */
-#define PLUS 4 /* show plus */
-#define SPACE 8 /* space if plus */
-#define LEFT 16 /* left justified */
-#define SPECIAL 32 /* 0x */
-#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
-/* haha, don't need ctype.c */
-#define isdigit(c) ((c) >= '0' && (c) <= '9')
-#define is_digit isdigit
-#define isxdigit(c) (((c) >= '0' && (c) <= '9') || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
-
-static int skip_atoi(const char **s)
-{
- int i=0;
-
- while (is_digit(**s))
- i = i*10 + *((*s)++) - '0';
- return i;
-}
-
-#include <div64.h>
-static int number(void (*tx_byte)(unsigned char byte),
- unsigned long long num, int base, int size, int precision, int type)
-{
- char c,sign,tmp[66];
- const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
- int i;
- int count = 0;
-
- if (type & LARGE)
- digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
- if (type & LEFT)
- type &= ~ZEROPAD;
- if (base < 2 || base > 36)
- return 0;
- c = (type & ZEROPAD) ? '0' : ' ';
- sign = 0;
- if (type & SIGN) {
- if ((signed long long)num < 0) {
- sign = '-';
- num = -num;
- size--;
- } else if (type & PLUS) {
- sign = '+';
- size--;
- } else if (type & SPACE) {
- sign = ' ';
- size--;
- }
- }
- if (type & SPECIAL) {
- if (base == 16)
- size -= 2;
- else if (base == 8)
- size--;
- }
- i = 0;
- if (num == 0) {
- tmp[i++]='0';
- } else while (num != 0) {
- /* FIXME: do_div was broken */
-// tmp[i++] = digits[do_div(num,base)];
- tmp[i++] = digits[num & 0xf];
- num = num >> 4;
- }
- if (i > precision)
- precision = i;
- size -= precision;
- if (!(type&(ZEROPAD+LEFT)))
- while(size-->0)
- tx_byte(' '), count++;
- if (sign)
- tx_byte(sign), count++;
- if (type & SPECIAL) {
- if (base==8)
- tx_byte('0'), count++;
- else if (base==16) {
- tx_byte('0'), count++;
- tx_byte(digits[33]), count++;
- }
- }
- if (!(type & LEFT))
- while (size-- > 0)
- tx_byte(c), count++;
- while (i < precision--)
- tx_byte('0'), count++;
- while (i-- > 0)
- tx_byte(tmp[i]), count++;
- while (size-- > 0)
- tx_byte(' '), count++;
- return count;
-}
-
-int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args)
-{
- int len;
- unsigned long long num;
- int i, base;
- const char *s;
-
- int flags; /* flags to number() */
-
- int field_width; /* width of output field */
- int precision; /* min. # of digits for integers; max
- number of chars for from string */
- int qualifier; /* 'h', 'l', or 'L' for integer fields */
-
- int count;
-
- for (count=0; *fmt ; ++fmt) {
- if (*fmt != '%') {
- tx_byte(*fmt), count++;
- continue;
- }
-
- /* process flags */
- flags = 0;
-repeat:
- ++fmt; /* this also skips first '%' */
- switch (*fmt) {
- case '-': flags |= LEFT; goto repeat;
- case '+': flags |= PLUS; goto repeat;
- case ' ': flags |= SPACE; goto repeat;
- case '#': flags |= SPECIAL; goto repeat;
- case '0': flags |= ZEROPAD; goto repeat;
- }
-
- /* get field width */
- field_width = -1;
- if (is_digit(*fmt))
- field_width = skip_atoi(&fmt);
- else if (*fmt == '*') {
- ++fmt;
- /* it's the next argument */
- field_width = va_arg(args, int);
- if (field_width < 0) {
- field_width = -field_width;
- flags |= LEFT;
- }
- }
-
- /* get the precision */
- precision = -1;
- if (*fmt == '.') {
- ++fmt;
- if (is_digit(*fmt))
- precision = skip_atoi(&fmt);
- else if (*fmt == '*') {
- ++fmt;
- /* it's the next argument */
- precision = va_arg(args, int);
- }
- if (precision < 0)
- precision = 0;
- }
-
- /* get the conversion qualifier */
- qualifier = -1;
- if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt == 'z') {
- qualifier = *fmt;
- ++fmt;
- if (*fmt == 'l') {
- qualifier = 'L';
- ++fmt;
- }
- }
-
- /* default base */
- base = 10;
-
- switch (*fmt) {
- case 'c':
- if (!(flags & LEFT))
- while (--field_width > 0)
- tx_byte(' '), count++;
- tx_byte((unsigned char) va_arg(args, int)), count++;
- while (--field_width > 0)
- tx_byte(' '), count++;
- continue;
-
- case 's':
- s = va_arg(args, char *);
- if (!s)
- s = "<NULL>";
-
- len = strnlen(s, precision);
-
- if (!(flags & LEFT))
- while (len < field_width--)
- tx_byte(' '), count++;
- for (i = 0; i < len; ++i)
- tx_byte(*s++), count++;
- while (len < field_width--)
- tx_byte(' '), count++;
- continue;
-
- case 'p':
- if (field_width == -1) {
- field_width = 2*sizeof(void *);
- flags |= ZEROPAD;
- }
- count += number(tx_byte,
- (unsigned long) va_arg(args, void *), 16,
- field_width, precision, flags);
- continue;
-
- case 'n':
- if (qualifier == 'L') {
- long long *ip = va_arg(args, long long *);
- *ip = count;
- } else if (qualifier == 'l') {
- long * ip = va_arg(args, long *);
- *ip = count;
- } else {
- int * ip = va_arg(args, int *);
- *ip = count;
- }
- continue;
-
- case '%':
- tx_byte('%'), count++;
- continue;
-
- /* integer number formats - set up the flags and "break" */
- case 'o':
- base = 8;
- break;
-
- case 'X':
- flags |= LARGE;
- case 'x':
- base = 16;
- break;
-
- case 'd':
- case 'i':
- flags |= SIGN;
- case 'u':
- break;
-
- default:
- tx_byte('%'), count++;
- if (*fmt)
- tx_byte(*fmt), count++;
- else
- --fmt;
- continue;
- }
- if (qualifier == 'L') {
- num = va_arg(args, unsigned long long);
- } else if (qualifier == 'l') {
- num = va_arg(args, unsigned long);
- } else if (qualifier == 'z') {
- num = va_arg(args, size_t);
- } else if (qualifier == 'h') {
- num = (unsigned short) va_arg(args, int);
- if (flags & SIGN)
- num = (short) num;
- } else if (flags & SIGN) {
- num = va_arg(args, int);
- } else {
- num = va_arg(args, unsigned int);
- }
- count += number(tx_byte, num, base, field_width, precision, flags);
- }
- return count;
-}
-
-int do_printk(int msg_level, const char *fmt, ...)
-{
- va_list args;
- int i;
-
- va_start(args, fmt);
- i = vtxprintf(uart_tx_byte, fmt, args);
- va_end(args);
-
- return i;
-}
-
void bootblock_mainboard_init(void);
void bootblock_mainboard_init(void)
{
struct mem_timings *mem;
struct arm_clk_ratios *arm_ratios;
- /* FIXME: we should not need UART in bootblock, this is only
- done for testing purposes */
i2c_set_early_reg(I2C0_BASE);
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
power_init();
mem = get_mem_timings();
arm_ratios = get_arm_clk_ratios();
system_clock_init(mem, arm_ratios);
+
+#if CONFIG_EARLY_SERIAL_CONSOLE
exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
uart_init();
- printk(BIOS_INFO, "%s: UART initialized\n", __func__);
- printk(BIOS_INFO, "%s: finished\n", __func__);
+ printk(BIOS_INFO, "\n\n\n%s: UART initialized\n", __func__);
+#endif
}
diff --git a/src/mainboard/google/snow/romstage.c b/src/mainboard/google/snow/romstage.c
index 690d4aace8..b8e5116b22 100644
--- a/src/mainboard/google/snow/romstage.c
+++ b/src/mainboard/google/snow/romstage.c
@@ -47,15 +47,12 @@ static int board_wakeup_permitted(void)
void main(void)
{
- struct cbfs_media cbfs;
-// i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-// power_init();
-// clock_init();
-// exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
- console_init();
- printk(BIOS_INFO, "hello from romstage\n");
struct mem_timings *mem;
int ret;
+ void *entry;
+
+ console_init();
+ printk(BIOS_INFO, "hello from romstage\n");
mem = get_mem_timings();
if (!mem) {
@@ -76,51 +73,9 @@ void main(void)
}
printk(BIOS_INFO, "ddr3_init done\n");
- /* wow, did it work? */
- int i;
- u32 *c = (void *)CONFIG_RAMBASE;
-
-// mmu_setup(CONFIG_SYS_SDRAM_BASE, CONFIG_DRAM_SIZE_MB * 1024);
-// printk(BIOS_INFO, "mmu_setup done\n");
- for(i = 0; i < 16384; i++)
- c[i] = i+32768;
- for(i = 0; i < 16384; i++)
- if (c[i] != i+32768)
- printk(BIOS_SPEW, "BADc[%02x]: %02x,", i, c[i]);
- for(i = 0; i < 1048576; i++)
- c[i] = 0;
-
- ret = init_default_cbfs_media(&cbfs);
- if (ret){
- printk(BIOS_ERR, "init_default_cbfs_media returned %d: HALT\n",
- ret);
- while (1);
- }
-
- struct cbfs_stage *stage = (struct cbfs_stage *)
- cbfs_get_file_content(&cbfs, "fallback/coreboot_ram",
- CBFS_TYPE_STAGE);
- printk(BIOS_ERR, "Stage: %p\n", stage);
- printk(BIOS_ERR, "loading stage %s @ 0x%x (0x%x bytes),entry @ 0x%p\n",
- "ram stage",
- (uint32_t) stage->load, stage->memlen,
- (void *)(u32)stage->entry);
-
-#if 0
- /* for reference and testing ... we should be able to remove soon */
-// c = (void *)(u32)(stage->load + stage->len);
- c = (void *)(u32)(stage->load);
- printk(BIOS_ERR, "memzero 0x%x words starting at %p\n",
- (stage->memlen /*- stage->len*/)/4, c);
- for(i = 0; i < (stage->memlen /*- stage->len*/)/4; i++){
- printk(BIOS_INFO, "%p, ", &c[i]);
- c[i] = 0;
- }
-#endif
- void *entry = cbfs_load_stage(&cbfs, "fallback/coreboot_ram");
- printk(BIOS_INFO, "entry is %p\n", entry);
+ entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/coreboot_ram");
+ printk(BIOS_INFO, "entry is 0x%p, leaving romstage.\n", entry);
- printk(BIOS_INFO, "sayonara, romstage!\n");
- stage_exit((unsigned long)entry);
+ stage_exit(entry);
}