blob: d6bb3822b8314e10c925c41b6d52a148455482c7 [file] [log] [blame]
/*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <common.h>
#include <command.h>
#include <asm/mipsregs.h>
#include <asm/addrspace.h>
#include <config.h>
#include <version.h>
#include <atheros.h>
extern int ath_ddr_initial_config(uint32_t refresh);
extern int ath_ddr_find_size(void);
#ifdef COMPRESSED_UBOOT
# define prmsg(...)
# define args char *s
# define board_str(a) do { \
char ver[] = "0"; \
uint32_t revid; \
if(((revid=ath_reg_rd(RST_REVISION_ID_ADDRESS))&0xff0)==0x140) \
strcpy(s, a " - Honey Bee 1."); \
else \
strcpy(s, a " - Honey Bee 2."); \
ver[0] += (revid & 0xf) ; \
strcat(s, ver); \
} while (0)
#else
# define prmsg printf
# define args void
# define board_str(a) \
uint32_t revid; \
if(((revid=ath_reg_rd(RST_REVISION_ID_ADDRESS))&0xff0)==0x140) \
printf(a " - Honey Bee 1.%d", revid & 0xf); \
else \
printf(a " - Honey Bee 2.%d", revid & 0xf);
#endif
void
ath_usb_initial_config(void)
{
#define unset(a) (~(a))
if (ath_reg_rd(RST_BOOTSTRAP_ADDRESS) & RST_BOOTSTRAP_TESTROM_ENABLE_MASK) {
ath_reg_rmw_set(RST_RESET_ADDRESS, RST_RESET_USB_HOST_RESET_SET(1));
udelay(1000);
ath_reg_rmw_set(RST_RESET_ADDRESS, RST_RESET_USB_PHY_RESET_SET(1));
udelay(1000);
ath_reg_wr(PHY_CTRL5_ADDRESS, PHY_CTRL5_RESET_1);
udelay(1000);
ath_reg_rmw_set(RST_RESET_ADDRESS, RST_RESET_USB_PHY_PLL_PWD_EXT_SET(1));
udelay(1000);
ath_reg_rmw_set(RST_RESET_ADDRESS, RST_RESET_USB_PHY_ARESET_SET(1));
udelay(1000);
ath_reg_rmw_clear(RST_CLKGAT_EN_ADDRESS, RST_CLKGAT_EN_USB1_SET(1));
return;
}
ath_reg_wr_nf(SWITCH_CLOCK_SPARE_ADDRESS,
ath_reg_rd(SWITCH_CLOCK_SPARE_ADDRESS) |
SWITCH_CLOCK_SPARE_USB_REFCLK_FREQ_SEL_SET(2));
udelay(1000);
ath_reg_rmw_set(RST_RESET_ADDRESS,
RST_RESET_USB_PHY_SUSPEND_OVERRIDE_SET(1));
udelay(1000);
ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_ARESET_SET(1));
udelay(1000);
ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_RESET_SET(1));
udelay(1000);
ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_HOST_RESET_SET(1));
udelay(1000);
ath_reg_rmw_clear(RST_RESET_ADDRESS, RST_RESET_USB_PHY_PLL_PWD_EXT_SET(1));
udelay(10);
}
#define GFMN_GPIO_RESET (1 << 13)
#define GFMN_GPIO_LEDB (1 << 11)
#define GFMN_GPIO_LEDR (1 << 16)
void ath_gpio_config(void)
{
/* GPIO4 configured in cpu/mips/start.S */
ath_reg_rmw_set(GPIO_OE_ADDRESS, GFMN_GPIO_RESET);
ath_reg_rmw_set(GPIO_OE_ADDRESS, GFMN_GPIO_LEDB | GFMN_GPIO_LEDR);
ath_reg_rmw_clear(GPIO_OE_ADDRESS, GFMN_GPIO_LEDB);
ath_reg_rmw_set(GPIO_OUT_ADDRESS, GFMN_GPIO_LEDR);
}
int
ath_mem_config(void)
{
unsigned int type, reg32, *tap;
extern uint32_t *ath_ddr_tap_cal(void);
#if !defined(CONFIG_ATH_EMULATION)
type = ath_ddr_initial_config(CFG_DDR_REFRESH_VAL);
tap = ath_ddr_tap_cal();
prmsg("tap = 0x%p\n", tap);
tap = (uint32_t *)0xbd001f10;
prmsg("Tap (low, high) = (0x%x, 0x%x)\n", tap[0], tap[1]);
tap = (uint32_t *)TAP_CONTROL_0_ADDRESS;
prmsg("Tap values = (0x%x, 0x%x, 0x%x, 0x%x)\n",
tap[0], tap[2], tap[2], tap[3]);
/* Take WMAC out of reset */
reg32 = ath_reg_rd(RST_RESET_ADDRESS);
reg32 = reg32 & ~RST_RESET_RTC_RESET_SET(1);
ath_reg_wr_nf(RST_RESET_ADDRESS, reg32);
ath_usb_initial_config();
ath_gpio_config();
#endif /* !defined(CONFIG_ATH_EMULATION) */
return ath_ddr_find_size();
}
long int initdram(int board_type)
{
return (ath_mem_config());
}
int checkboard(args)
{
board_str(CONFIG_BOARD_NAME);
return 0;
}