int
ar7240_mem_config(void)
{
#if !defined(CONFIG_WASP_EMU)
unsigned int tap_val1, tap_val2;
ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL);
/* Default tap values for starting the tap_init*/
if (!(is_ar7241() || is_ar7242())) {
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x8);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x9);
ar7240_ddr_tap_init();
}
else {
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x2);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x2);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL2, 0x0);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL3, 0x0);
}
tap_val1 = ar7240_reg_rd(0xb800001c);
tap_val2 = ar7240_reg_rd(0xb8000020);
printf("#### TAP VALUE 1 = 0x%x, 2 = 0x%x [0x%x: 0x%x]\n",
tap_val1, tap_val2, *(unsigned *)0x80500000,
*(unsigned *)0x80500004);
ar7240_usb_initial_config();
ar7240_gpio_config();
#endif
return (ar7240_ddr_find_size());
}
int
ar7240_mem_config(void)
{
#ifndef COMPRESSED_UBOOT
unsigned int tap_val1, tap_val2;
#endif
ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL);
/* Default tap values for starting the tap_init*/
if (!(is_ar7241() || is_ar7242())) {
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x8);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x9);
#ifndef COMPRESSED_UBOOT
ar7240_ddr_tap_init();
#endif
}
else {
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x2);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x2);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL2, 0x0);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL3, 0x0);
}
#ifndef COMPRESSED_UBOOT
tap_val1 = ar7240_reg_rd(0xb800001c);
tap_val2 = ar7240_reg_rd(0xb8000020);
printf("#### TAP VALUE 1 = %x, 2 = %x\n",tap_val1, tap_val2);
#endif
ar7240_usb_initial_config();
ar7240_gpio_config();
return (ar7240_ddr_find_size());
}
int
ar7240_mem_config(void)
{
ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x8);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x8);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL2, 0x7);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL3, 0x7);
ar7240_usb_initial_config();
ar7240_gpio_config();
return (ar7240_ddr_find_size());
}
int
ar7240_mem_config(void)
{
unsigned int tap_val1, tap_val2;
ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL);
/* Default tap values for starting the tap_init*/
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x8);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x9);
ar7240_ddr_tap_init();
tap_val1 = ar7240_reg_rd(0xb800001c);
tap_val2 = ar7240_reg_rd(0xb8000020);
printf("#### TAP VALUE 1 = %x, 2 = %x\n",tap_val1, tap_val2);
ar7240_usb_initial_config();
ar7240_gpio_config();
return (ar7240_ddr_find_size());
}
int
ar7240_mem_config()
{
uint32_t ddr_config, ddr_config2;
int i;
#if 0
ar7240_ddr_width_t width;
#endif
ar7240_ddr_initial_config(CFG_DDR_REFRESH_VAL);
#if 0
ar7240_ddr_tap_config();
#else
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL0, 0x5);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL1, 0x5);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL2, 0x0);
ar7240_reg_wr (AR7240_DDR_TAP_CONTROL3, 0x0);
#endif
#if 0
ddr_config = ar7240_reg_rd(AR7240_DDR_CONFIG);
ddr_config2 = ar7240_reg_rd(AR7240_DDR_CONFIG2);
width = ar7240_ddr_get_width();
if (width != AR7240_DDR_32B)
ddr_config |= AR7240_DDR_CONFIG_16BIT;
if (width == AR7240_DDR_16B_HIGH)
ddr_config2 &= ~AR7240_DDR_CONFIG2_HALF_WIDTH_L;
ddr_config2 &= ~((0x1f << AR7240_DDR_CONFIG2_TRTW_SHIFT) |
(0x1f << AR7240_DDR_CONFIG2_TWTR_SHIFT) |
0xf);
ddr_config2 |= ((CFG_DDR_TRTW_VAL << AR7240_DDR_CONFIG2_TRTW_SHIFT) |
(CFG_DDR_TWTR_VAL << AR7240_DDR_CONFIG2_TWTR_SHIFT) |
AR7240_DDR_CONFIG2_BL2);
/*
* XXX These bits are reserved...
*/
ddr_config2 |= (1 << 26)|(1 << 27)|(1 << 30);
printf("programming config1 %#x, config2 %#x\n", ddr_config, ddr_config2);
ar7240_reg_wr(AR7240_DDR_CONFIG, ddr_config);
ar7240_reg_wr(AR7240_DDR_CONFIG2, ddr_config2);
#endif
/* XXX - these don't really belong here!
*(volatile unsigned int *)0xb8050004 = 0x00001032;
udelay(100);
*/
#if 0
*(volatile unsigned int *)0xb8050018 = 0x1313;
udelay(10);
*(volatile unsigned int *)0xb805001c = 0x00000909;
udelay(100);
*(volatile unsigned int *)0xb8050014 = 0x14000044;
udelay(100);
#endif
#if 0
i = *(volatile int *)0xb8050004;
i = i & (~(1 << 25));
*(volatile int *)0xb8050004 = i;
while ((*(volatile int *)0xb8050004) & (1 << 17));
i = *(volatile int *)0xb8050004;
i = i & (~(1 << 16));
*(volatile int *)0xb8050004 = i;
while ((*(volatile int *)0xb8050004) & (1 << 17));
i = *(volatile int *)0xb8050004;
i = i | (0x3f << 19);
*(volatile int *)0xb8050004 = i;
udelay(100);
*(volatile int *)0xb8050014 = 0x13000a44;
/*
*(volatile int *)0xb8050014 = 0x13000044;
*(volatile int *)0xb8050014 = 0x13111321;
*(volatile int *)0xb8050014 = 0x00111321;
*(volatile int *)0xb8050014 = 0x00001344;
*(volatile int *)0xb8050014 = 0x14000044;
*(volatile int *)0xb8050014 = 0x14000f44;
*(volatile int *)0xb8050014 = 0x00001044;
*(volatile int *)0xb8050014 = 0x14001044;
*(volatile int *)0xb8050014 = 0x14001f44;
*(volatile int *)0xb8050014 = 0x1f001044;
*(volatile int *)0xb8050014 = 0x1f001f44;
*/
*(volatile int *)0xb805001c = 0x00000909;
udelay(100);
i = *(volatile int *)0xb8050004;
i = i & (~(0x3b << 19));
*(volatile int *)0xb8050004 = i;
udelay(100);
i = *(volatile int *)0xb8050004;
i = i | (0x3 << 20);
*(volatile int *)0xb8050004 = i;
udelay(100);
i = *(volatile int *)0xb8050004;
i = i & (~(0x3 << 20));
*(volatile int *)0xb8050004 = i;
udelay(100);
/* Temp addition - check with Ravi */
*(volatile unsigned int *)0xb8080008 = 0x00000040;
udelay(100);
#endif
ar7240_usb_initial_config();
return (ar7240_ddr_find_size());
}
