Edward O'Callaghan (eocallaghan@alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7916
-gerrit
commit efd59a9e226936cde338e714282dd2c14badb432 Author: Edward O'Callaghan eocallaghan@alterapraxis.com Date: Fri Dec 26 14:06:01 2014 +1100
soc/samsung/exynos5{25,42}0: Merge common code
[NOTFORMERGE]: First round at unifying Samsung Exynos SoC support together.
Change-Id: Ib8f611375c4a44847737a969824492d84969525f Signed-off-by: Edward O'Callaghan eocallaghan@alterapraxis.com --- src/soc/samsung/exynos/Makefile.inc | 18 +-- src/soc/samsung/exynos/alternate_cbfs.h | 51 +++++++ src/soc/samsung/exynos/dsim.h | 110 ++++++++++++++ src/soc/samsung/exynos/mct.c | 36 +++++ src/soc/samsung/exynos/monotonic_timer.c | 34 +++++ src/soc/samsung/exynos/power.c | 93 ++++++++++++ src/soc/samsung/exynos/uart.h | 43 ++++++ src/soc/samsung/exynos/usb.c | 198 ++++++++++++++++++++++++ src/soc/samsung/exynos/usb.h | 140 +++++++++++++++++ src/soc/samsung/exynos5250/Makefile.inc | 9 +- src/soc/samsung/exynos5250/alternate_cbfs.h | 51 ------- src/soc/samsung/exynos5250/cbmem.c | 27 ---- src/soc/samsung/exynos5250/dsim.h | 110 -------------- src/soc/samsung/exynos5250/mct.c | 36 ----- src/soc/samsung/exynos5250/monotonic_timer.c | 34 ----- src/soc/samsung/exynos5250/power.c | 93 ------------ src/soc/samsung/exynos5250/uart.c | 1 - src/soc/samsung/exynos5250/uart.h | 42 ------ src/soc/samsung/exynos5250/usb.c | 198 ------------------------ src/soc/samsung/exynos5250/usb.h | 140 ----------------- src/soc/samsung/exynos5420/Makefile.inc | 10 +- src/soc/samsung/exynos5420/alternate_cbfs.h | 51 ------- src/soc/samsung/exynos5420/cbmem.c | 27 ---- src/soc/samsung/exynos5420/dsim.h | 110 -------------- src/soc/samsung/exynos5420/mct.c | 36 ----- src/soc/samsung/exynos5420/monotonic_timer.c | 34 ----- src/soc/samsung/exynos5420/power.c | 93 ------------ src/soc/samsung/exynos5420/uart.c | 1 - src/soc/samsung/exynos5420/uart.h | 42 ------ src/soc/samsung/exynos5420/usb.c | 217 --------------------------- src/soc/samsung/exynos5420/usb.h | 147 ------------------ 31 files changed, 717 insertions(+), 1515 deletions(-)
diff --git a/src/soc/samsung/exynos/Makefile.inc b/src/soc/samsung/exynos/Makefile.inc index 74e1c7a..b60be62 100644 --- a/src/soc/samsung/exynos/Makefile.inc +++ b/src/soc/samsung/exynos/Makefile.inc @@ -1,15 +1,15 @@ -#bootblock-y += mct.c power.c +bootblock-y += mct.c power.c
# Clock is required for UART -#bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += monotonic_timer.c +bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += monotonic_timer.c
-#romstage-y += mct.c -#romstage-y += monotonic_timer.c +romstage-y += mct.c +romstage-y += monotonic_timer.c romstage-y += cbmem.c -#romstage-y += power.c +romstage-y += power.c
-#ramstage-y += mct.c -#ramstage-y += monotonic_timer.c +ramstage-y += mct.c +ramstage-y += monotonic_timer.c ramstage-y += cbmem.c -#ramstage-y += power.c -#ramstage-y += usb.c +ramstage-y += power.c +ramstage-y += usb.c diff --git a/src/soc/samsung/exynos/alternate_cbfs.h b/src/soc/samsung/exynos/alternate_cbfs.h new file mode 100644 index 0000000..771c0be --- /dev/null +++ b/src/soc/samsung/exynos/alternate_cbfs.h @@ -0,0 +1,51 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_SAMSUNG_EXYNOSXXYY_ALTERNATE_CBFS_H +#define CPU_SAMSUNG_EXYNOSXXYY_ALTERNATE_CBFS_H + +/* These are pointers to function pointers. Double indirection! */ +static void * * const irom_sdmmc_read_blocks_ptr = (void * *)0x02020030; +static void * * const irom_msh_read_from_fifo_emmc_ptr = (void * *)0x02020044; +static void * * const irom_msh_end_boot_op_emmc_ptr = (void * *)0x02020048; +static void * * const irom_spi_sf_read_ptr = (void * *)0x02020058; +static void * * const irom_load_image_from_usb_ptr = (void * *)0x02020070; + +#define SECONDARY_BASE_BOOT_USB 0xfeed0002 +static u32 * const iram_secondary_base = (u32 *)0x02020018; + +/* Values pulled from U-Boot, I think the manual is wrong here (for SPI) */ +#define OM_STAT_SDMMC 0x4 +#define OM_STAT_EMMC 0x8 +#define OM_STAT_SPI 0x14 +#define OM_STAT_MASK 0x7f + +#if defined(__BOOT_BLOCK__) + /* A small space in IRAM to hold the romstage-only image */ + static void * const alternate_cbfs_buffer = + (void *)CONFIG_CBFS_CACHE_ADDRESS; + static size_t const alternate_cbfs_size = CONFIG_CBFS_CACHE_SIZE; +#else + /* Just put this anywhere in RAM that's far enough from anything else */ + /* TODO: Find a better way to "reserve" this region? */ + static void * const alternate_cbfs_buffer = (void *)0x77400000; + static size_t const alternate_cbfs_size = 0xc00000; +#endif + +#endif /* CPU_SAMSUNG_EXYNOSXXYY_ALTERNATE_CBFS_H */ diff --git a/src/soc/samsung/exynos/dsim.h b/src/soc/samsung/exynos/dsim.h new file mode 100644 index 0000000..fc0f9f9 --- /dev/null +++ b/src/soc/samsung/exynos/dsim.h @@ -0,0 +1,110 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* Register map for Exynos5 MIPI-DSIM */ + +#ifndef CPU_SAMSUNG_EXYNOSXXYY_DSIM_H +#define CPU_SAMSUNG_EXYNOSXXYY_DSIM_H + +/* DSIM register map */ +struct exynos5_dsim { + unsigned int status; + unsigned int swrst; + unsigned int clkctrl; + unsigned int timeout; + unsigned int config; + unsigned int escmode; + unsigned int mdresol; + unsigned int mvporch; + unsigned int mhporch; + unsigned int msync; + unsigned int sdresol; + unsigned int intsrc; + unsigned int intmsk; + unsigned int pkthdr; + unsigned int payload; + unsigned int rxfifo; + unsigned int res1; + unsigned int fifoctrl; + unsigned int res2; + unsigned int pllctrl; + unsigned int plltmr; + unsigned int phyacchr; + unsigned int phyacchr1; +}; +check_member(exynos5_dsim, phyacchr1, 0x54); + +#define ENABLE 1 +#define DISABLE 0 + +#define DSIM_SWRST (1 << 0) +#define NUM_OF_DAT_LANE_IS_FOUR (3 << 5) +#define DATA_LANE_0_EN (1 << 0) +#define DATA_LANE_1_EN (1 << 1) +#define DATA_LANE_2_EN (1 << 2) +#define DATA_LANE_3_EN (1 << 3) +#define CLK_LANE_EN (1 << 4) +#define ENABLE_ALL_DATA_LANE DATA_LANE_0_EN | \ + DATA_LANE_1_EN | \ + DATA_LANE_2_EN | \ + DATA_LANE_3_EN +#define MAIN_PIX_FORMAT_OFFSET 12 +#define RGB_565_16_BIT 0x4 +#define VIDEO_MODE (1 << 25) +#define BURST_MODE (1 << 26) + + +#define DSIM_PHYACCHR_AFC_EN (1 << 14) +#define DSIM_PHYACCHR_AFC_CTL_OFFSET 5 + +#define DSIM_PLLCTRL_PMS_OFFSET 1 +#define DSIM_FREQ_BAND_OFFSET 24 + +#define LANE_ESC_CLK_EN_ALL (0x1f << 19) +#define BYTE_CLK_EN (1 << 24) +#define DSIM_ESC_CLK_EN (1 << 28) +#define TXREQUEST_HS_CLK_ON (1 << 31) + +#define LP_MODE_ENABLE (1 << 7) +#define STOP_STATE_CNT_OFFSET 21 + +#define MAIN_VBP_OFFSET 0 +#define STABLE_VFP_OFFSET 16 +#define CMD_ALLOW_OFFSET 28 + +#define MAIN_HBP_OFFSET 0 +#define MAIN_HFP_OFFSET 16 + +#define MAIN_HSA_OFFSET 0 +#define MAIN_VSA_OFFSET 22 + +#define MAIN_STANDBY (1 << 31) +#define MAIN_VRESOL_OFFSET 16 +#define MAIN_HRESOL_OFFSET 0 + +#define SFR_FIFO_EMPTY (1 << 29) + +#define DSIM_PLL_EN_SHIFT (1 << 23) +#define PLL_STABLE (1 << 31) + +#define DSIM_STOP_STATE_DAT(x) (((x) & 0xf) << 0) +#define DSIM_STOP_STATE_CLK (1 << 8) +#define DSIM_TX_READY_HS_CLK (1 << 10) + +#endif /* CPU_SAMSUNG_EXYNOSXXYY_DSIM_H */ diff --git a/src/soc/samsung/exynos/mct.c b/src/soc/samsung/exynos/mct.c new file mode 100644 index 0000000..bbb90e4 --- /dev/null +++ b/src/soc/samsung/exynos/mct.c @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2012 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include <arch/io.h> +#include "clk.h" + +uint64_t mct_raw_value(void) +{ + uint64_t upper = readl(&exynos_mct->g_cnt_u); + uint64_t lower = readl(&exynos_mct->g_cnt_l); + + return (upper << 32) | lower; +} + +void mct_start(void) +{ + writel(readl(&exynos_mct->g_tcon) | (0x1 << 8), + &exynos_mct->g_tcon); +} diff --git a/src/soc/samsung/exynos/monotonic_timer.c b/src/soc/samsung/exynos/monotonic_timer.c new file mode 100644 index 0000000..89ac416 --- /dev/null +++ b/src/soc/samsung/exynos/monotonic_timer.c @@ -0,0 +1,34 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stdint.h> +#include <timer.h> + +#include "clk.h" + +static const uint32_t clocks_per_usec = MCT_HZ/1000000; + +void timer_monotonic_get(struct mono_time *mt) +{ + /* We don't have to call mct_start() here + * because it was already called in the bootblock + */ + + mono_time_set_usecs(mt, mct_raw_value() / clocks_per_usec); +} diff --git a/src/soc/samsung/exynos/power.c b/src/soc/samsung/exynos/power.c new file mode 100644 index 0000000..7d94712 --- /dev/null +++ b/src/soc/samsung/exynos/power.c @@ -0,0 +1,93 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* Power setup code for EXYNOS5 */ + +#include <arch/io.h> +#include <console/console.h> +#include <halt.h> +#include "dmc.h" +#include "power.h" +#include "setup.h" + +/* Set the PS-Hold drive value */ +static void ps_hold_setup(void) +{ + /* Set PS-Hold high */ + setbits_le32(&exynos_power->ps_hold_ctrl, + POWER_PS_HOLD_CONTROL_DATA_HIGH); +} + +void power_reset(void) +{ + /* Clear inform1 so there's no change we think we've got a wake reset */ + exynos_power->inform1 = 0; + + setbits_le32(&exynos_power->sw_reset, 1); +} + +/* This function never returns */ +void power_shutdown(void) +{ + clrbits_le32(&exynos_power->ps_hold_ctrl, + POWER_PS_HOLD_CONTROL_DATA_HIGH); + + halt(); +} + +void power_enable_dp_phy(void) +{ + setbits_le32(&exynos_power->dptx_phy_control, EXYNOS_DP_PHY_ENABLE); +} + +void power_enable_hw_thermal_trip(void) +{ + /* Enable HW thermal trip */ + setbits_le32(&exynos_power->ps_hold_ctrl, POWER_ENABLE_HW_TRIP); +} + +uint32_t power_read_reset_status(void) +{ + return exynos_power->inform1; +} + +void power_exit_wakeup(void) +{ + typedef void (*resume_func)(void); + + ((resume_func)exynos_power->inform0)(); +} + +int power_init(void) +{ + ps_hold_setup(); + return 0; +} + +void power_enable_xclkout(void) +{ + /* use xxti for xclk out */ + clrsetbits_le32(&exynos_power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, + PMU_DEBUG_XXTI); +} + +void power_release_uart_retention(void) +{ + writel(1 << 28, &exynos_power->padret_uart_opt); +} diff --git a/src/soc/samsung/exynos/uart.h b/src/soc/samsung/exynos/uart.h new file mode 100644 index 0000000..b7486ef --- /dev/null +++ b/src/soc/samsung/exynos/uart.h @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2012 Google Inc. + * Copyright (C) 2009 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_SAMSUNG_EXYNOSXXYY_UART_H +#define CPU_SAMSUNG_EXYNOSXXYY_UART_H + +struct s5p_uart { + unsigned int ulcon; + unsigned int ucon; + unsigned int ufcon; + unsigned int umcon; + unsigned int utrstat; + unsigned int uerstat; + unsigned int ufstat; + unsigned int umstat; + unsigned char utxh; + unsigned char res1[3]; + unsigned char urxh; + unsigned char res2[3]; + unsigned int ubrdiv; + unsigned char res3[0xffd0]; +}; + +check_member(s5p_uart, ubrdiv, 0x28); + +#endif /* CPU_SAMSUNG_EXYNOSXXYY_UART_H */ diff --git a/src/soc/samsung/exynos/usb.c b/src/soc/samsung/exynos/usb.c new file mode 100644 index 0000000..76da1dd --- /dev/null +++ b/src/soc/samsung/exynos/usb.c @@ -0,0 +1,198 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Samsung Electronics + * Copyright 2013 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <delay.h> +#include <arch/io.h> +#include <console/console.h> +#include <device/device.h> +#include "gpio.h" +#include "power.h" +#include "sysreg.h" +#include "usb.h" + +static void reset_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) +{ + setbits_le32(&dwc3->ctl, 0x1 << 11); /* core soft reset */ + setbits_le32(&dwc3->usb3pipectl, 0x1 << 31); /* PHY soft reset */ + setbits_le32(&dwc3->usb2phycfg, 0x1 << 31); /* PHY soft reset */ +} + +void reset_usb_drd_dwc3() +{ + printk(BIOS_DEBUG, "Starting DWC3 reset for USB DRD\n"); + reset_dwc3(exynos_usb_drd_dwc3); +} + +static void setup_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) +{ + if (!(dwc3->ctl & 0x1 << 11) || + !(dwc3->usb3pipectl & 0x1 << 31) || + !(dwc3->usb2phycfg & 0x1 << 31)) { + printk(BIOS_ERR, "DWC3 at %p not in reset (you need to call " + "reset_usb_drd_dwc3() first)!\n", dwc3); + } + + /* Set relevant registers to default values (clearing all reset bits) */ + + writel(0x1 << 24 | /* activate PHY low power states */ + 0x4 << 19 | /* low power delay value */ + 0x1 << 18 | /* activate PHY low power delay */ + 0x1 << 17 | /* enable SuperSpeed PHY suspend */ + 0x1 << 1 | /* default Tx deemphasis value */ + 0, &dwc3->usb3pipectl); + + /* Configure PHY clock turnaround for 8-bit UTMI+, disable suspend */ + writel(0x9 << 10 | /* PHY clock turnaround for 8-bit UTMI+ */ + 0x1 << 8 | /* enable PHY sleep in L1 */ + 0x1 << 6 | /* enable PHY suspend */ + 0, &dwc3->usb2phycfg); + + writel(0x5dc << 19 | /* suspend clock scale for 24MHz */ + 0x1 << 16 | /* retry SS three times (bugfix from U-Boot) */ + 0x1 << 12 | /* port capability HOST */ + 0, &dwc3->ctl); +} + +void setup_usb_drd_dwc3() +{ + setup_dwc3(exynos_usb_drd_dwc3); + printk(BIOS_DEBUG, "DWC3 setup for USB DRD finished\n"); +} + +static void setup_drd_phy(struct exynos5_usb_drd_phy *phy) +{ + /* Set all PHY registers to default values */ + + /* XHCI Version 1.0, Frame Length adjustment 30 MHz */ + setbits_le32(&phy->linksystem, 0x1 << 27 | 0x20 << 1); + + /* Disable OTG, ID0 and DRVVBUS, do not force sleep/suspend */ + writel(1 << 6, &phy->utmi); + + writel(0x88 << 23 | /* spread spectrum refclk selector */ + 0x1 << 20 | /* enable spread spectrum */ + 0x1 << 19 | /* enable prescaler refclk */ + 0x68 << 11 | /* multiplier for 24MHz refclk */ + 0x5 << 5 | /* select 24MHz refclk (weird, from U-Boot) */ + 0x1 << 4 | /* power supply in normal operating mode */ + 0x3 << 2 | /* use external refclk (undocumented on 5420?)*/ + 0x1 << 1 | /* force port reset */ + 0x1 << 0 | /* normal operating mode */ + 0, &phy->clkrst); + + writel(0x9 << 26 | /* LOS level */ + 0x3 << 22 | /* TX VREF tune */ + 0x1 << 20 | /* TX rise tune */ + 0x1 << 18 | /* TX res tune */ + 0x3 << 13 | /* TX HS X Vtune */ + 0x3 << 9 | /* TX FS/LS tune */ + 0x3 << 6 | /* SQRX tune */ + 0x4 << 3 | /* OTG tune */ + 0x4 << 0 | /* comp disc tune */ + 0, &phy->param0); + + writel(0x7f << 19 | /* reserved */ + 0x7f << 12 | /* Tx launch amplitude */ + 0x20 << 6 | /* Tx deemphasis 6dB */ + 0x1c << 0 | /* Tx deemphasis 3.5dB (value from U-Boot) */ + 0, &phy->param1); + + /* disable all test features */ + writel(0, &phy->test); + + /* UTMI clock select? ("must be 0x1") */ + writel(0x1 << 2, &phy->utmiclksel); + + /* Samsung magic, undocumented (from U-Boot) */ + writel(0x0, &phy->resume); + + udelay(10); + clrbits_le32(&phy->clkrst, 0x1 << 1); /* deassert port reset */ +} + +void setup_usb_drd_phy() +{ + printk(BIOS_DEBUG, "Powering up USB DRD PHY\n"); + setbits_le32(&exynos_power->usb_drd_phy_ctrl, POWER_USB_PHY_CTRL_EN); + setup_drd_phy(exynos_usb_drd_phy); +} + +void setup_usb_host_phy(int hsic_gpio) +{ + unsigned int hostphy_ctrl0; + + setbits_le32(&exynos_sysreg->usb20_phy_cfg, USB20_PHY_CFG_EN); + setbits_le32(&exynos_power->usb_host_phy_ctrl, POWER_USB_PHY_CTRL_EN); + + printk(BIOS_DEBUG, "Powering up USB HOST PHY (%s HSIC)\n", + hsic_gpio ? "with" : "without"); + + hostphy_ctrl0 = readl(&exynos_usb_host_phy->usbphyctrl0); + hostphy_ctrl0 &= ~(HOST_CTRL0_FSEL_MASK | + HOST_CTRL0_COMMONON_N | + /* HOST Phy setting */ + HOST_CTRL0_PHYSWRST | + HOST_CTRL0_PHYSWRSTALL | + HOST_CTRL0_SIDDQ | + HOST_CTRL0_FORCESUSPEND | + HOST_CTRL0_FORCESLEEP); + hostphy_ctrl0 |= (/* Setting up the ref freq */ + CLK_24MHZ << 16 | + /* HOST Phy setting */ + HOST_CTRL0_LINKSWRST | + HOST_CTRL0_UTMISWRST); + writel(hostphy_ctrl0, &exynos_usb_host_phy->usbphyctrl0); + udelay(10); + clrbits_le32(&exynos_usb_host_phy->usbphyctrl0, + HOST_CTRL0_LINKSWRST | + HOST_CTRL0_UTMISWRST); + udelay(20); + + /* EHCI Ctrl setting */ + setbits_le32(&exynos_usb_host_phy->ehcictrl, + EHCICTRL_ENAINCRXALIGN | + EHCICTRL_ENAINCR4 | + EHCICTRL_ENAINCR8 | + EHCICTRL_ENAINCR16); + + /* HSIC USB Hub initialization. */ + if (hsic_gpio) { + gpio_direction_output(hsic_gpio, 0); + udelay(100); + gpio_direction_output(hsic_gpio, 1); + udelay(5000); + + clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, + HOST_CTRL0_SIDDQ | + HOST_CTRL0_FORCESLEEP | + HOST_CTRL0_FORCESUSPEND); + setbits_le32(&exynos_usb_host_phy->hsicphyctrl1, + HOST_CTRL0_PHYSWRST); + udelay(10); + clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, + HOST_CTRL0_PHYSWRST); + } + + /* At this point we need to wait for 50ms before talking to + * the USB controller (PHY clock and power setup time) + * By the time we are actually in the payload, these 50ms + * will have passed. + */ +} diff --git a/src/soc/samsung/exynos/usb.h b/src/soc/samsung/exynos/usb.h new file mode 100644 index 0000000..20a2257 --- /dev/null +++ b/src/soc/samsung/exynos/usb.h @@ -0,0 +1,140 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef CPU_SAMSUNG_EXYNOS5250_USB_H +#define CPU_SAMSUNG_EXYNOS5250_USB_H + +#include "cpu.h" + +#define CLK_24MHZ 5 + +#define HOST_CTRL0_PHYSWRSTALL (1 << 31) +#define HOST_CTRL0_COMMONON_N (1 << 9) +#define HOST_CTRL0_SIDDQ (1 << 6) +#define HOST_CTRL0_FORCESLEEP (1 << 5) +#define HOST_CTRL0_FORCESUSPEND (1 << 4) +#define HOST_CTRL0_WORDINTERFACE (1 << 3) +#define HOST_CTRL0_UTMISWRST (1 << 2) +#define HOST_CTRL0_LINKSWRST (1 << 1) +#define HOST_CTRL0_PHYSWRST (1 << 0) + +#define HOST_CTRL0_FSEL_MASK (7 << 16) + +#define EHCICTRL_ENAINCRXALIGN (1 << 29) +#define EHCICTRL_ENAINCR4 (1 << 28) +#define EHCICTRL_ENAINCR8 (1 << 27) +#define EHCICTRL_ENAINCR16 (1 << 26) + +/* Register map for PHY control */ +struct exynos5_usb_host_phy { + uint32_t usbphyctrl0; + uint32_t usbphytune0; + uint8_t reserved1[8]; + uint32_t hsicphyctrl1; + uint32_t hsicphytune1; + uint8_t reserved2[8]; + uint32_t hsicphyctrl2; + uint32_t hsicphytune2; + uint8_t reserved3[8]; + uint32_t ehcictrl; + uint32_t ohcictrl; + uint32_t usbotgsys; + uint8_t reserved4[4]; + uint32_t usbotgtune; +}; +check_member(exynos5_usb_host_phy, usbotgtune, 0x40); + +static struct exynos5_usb_host_phy * const exynos_usb_host_phy = + (void *)EXYNOS5_USB_HOST_PHY_BASE; + +struct exynos5_usb_drd_phy { + uint8_t reserved1[4]; + uint32_t linksystem; + uint32_t utmi; + uint32_t pipe; + uint32_t clkrst; + uint32_t reg0; + uint32_t reg1; + uint32_t param0; + uint32_t param1; + uint32_t term; + uint32_t test; + uint32_t adp; + uint32_t utmiclksel; + uint32_t resume; + uint8_t reserved2[8]; + uint32_t linkhcbelt; + uint32_t linkport; +}; +check_member(exynos5_usb_drd_phy, linkport, 0x44); + +static struct exynos5_usb_drd_phy * const exynos_usb_drd_phy = + (void *)EXYNOS5_USB_DRD_PHY_BASE; + +struct exynos5_usb_drd_dwc3 { + uint32_t sbuscfg0; + uint32_t sbuscfg1; + uint32_t txthrcfg; + uint32_t rxthrcfg; + uint32_t ctl; + uint32_t evten; + uint32_t sts; + uint8_t reserved0[4]; + uint32_t snpsid; + uint32_t gpio; + uint32_t uid; + uint32_t uctl; + uint64_t buserraddr; + uint64_t prtbimap; + uint8_t reserved1[32]; + uint32_t dbgfifospace; + uint32_t dbgltssm; + uint32_t dbglnmcc; + uint32_t dbgbmu; + uint32_t dbglspmux; + uint32_t dbglsp; + uint32_t dbgepinfo0; + uint32_t dbgepinfo1; + uint64_t prtbimap_hs; + uint64_t prtbimap_fs; + uint8_t reserved2[112]; + uint32_t usb2phycfg; + uint8_t reserved3[60]; + uint32_t usb2i2cctl; + uint8_t reserved4[60]; + uint32_t usb2phyacc; + uint8_t reserved5[60]; + uint32_t usb3pipectl; + uint8_t reserved6[60]; +}; +check_member(exynos5_usb_drd_dwc3, usb3pipectl, 0x1c0); + +static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd_dwc3 = + (void *)EXYNOS5_USB_DRD_DWC3_BASE; + +/* Leave hsic_gpio at 0 to not enable HSIC. */ +void setup_usb_host_phy(int hsic_gpio); + +void setup_usb_drd_phy(void); + +/* Call reset_ before setup_, ensure at least 100ms pass in between. */ +void reset_usb_drd_dwc3(void); +void setup_usb_drd_dwc3(void); + +#endif diff --git a/src/soc/samsung/exynos5250/Makefile.inc b/src/soc/samsung/exynos5250/Makefile.inc index c56ee42..3537106 100644 --- a/src/soc/samsung/exynos5250/Makefile.inc +++ b/src/soc/samsung/exynos5250/Makefile.inc @@ -2,11 +2,10 @@ subdirs-y += ../exynos
bootblock-y += spi.c alternate_cbfs.c bootblock-y += bootblock.c -bootblock-y += pinmux.c mct.c power.c +bootblock-y += pinmux.c # Clock is required for UART bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += clock_init.c bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += clock.c -bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += monotonic_timer.c ifeq ($(CONFIG_DRIVERS_UART),y) bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += uart.c endif @@ -20,9 +19,6 @@ romstage-y += clock_init.c romstage-y += pinmux.c # required by s3c24x0_i2c and uart. romstage-y += dmc_common.c romstage-y += dmc_init_ddr3.c -romstage-y += power.c -romstage-y += mct.c -romstage-y += monotonic_timer.c romstage-$(CONFIG_DRIVERS_UART) += uart.c romstage-y += wakeup.c romstage-y += gpio.c @@ -35,12 +31,9 @@ ramstage-y += spi.c alternate_cbfs.c ramstage-y += clock.c ramstage-y += clock_init.c ramstage-y += pinmux.c -ramstage-y += power.c ramstage-$(CONFIG_DRIVERS_UART) += uart.c ramstage-y += cpu.c ramstage-y += tmu.c -ramstage-y += mct.c -ramstage-y += monotonic_timer.c ramstage-y += timer.c ramstage-y += gpio.c ramstage-y += i2c.c diff --git a/src/soc/samsung/exynos5250/alternate_cbfs.h b/src/soc/samsung/exynos5250/alternate_cbfs.h deleted file mode 100644 index 72a30ac..0000000 --- a/src/soc/samsung/exynos5250/alternate_cbfs.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5250_ALTERNATE_CBFS_H -#define CPU_SAMSUNG_EXYNOS5250_ALTERNATE_CBFS_H - -/* These are pointers to function pointers. Double indirection! */ -static void * * const irom_sdmmc_read_blocks_ptr = (void * *)0x02020030; -static void * * const irom_msh_read_from_fifo_emmc_ptr = (void * *)0x02020044; -static void * * const irom_msh_end_boot_op_emmc_ptr = (void * *)0x02020048; -static void * * const irom_spi_sf_read_ptr = (void * *)0x02020058; -static void * * const irom_load_image_from_usb_ptr = (void * *)0x02020070; - -#define SECONDARY_BASE_BOOT_USB 0xfeed0002 -static u32 * const iram_secondary_base = (u32 *)0x02020018; - -/* Values pulled from U-Boot, I think the manual is wrong here (for SPI) */ -#define OM_STAT_SDMMC 0x4 -#define OM_STAT_EMMC 0x8 -#define OM_STAT_SPI 0x14 -#define OM_STAT_MASK 0x7f - -#if defined(__BOOT_BLOCK__) - /* A small space in IRAM to hold the romstage-only image */ - static void * const alternate_cbfs_buffer = - (void *)CONFIG_CBFS_CACHE_ADDRESS; - static size_t const alternate_cbfs_size = CONFIG_CBFS_CACHE_SIZE; -#else - /* Just put this anywhere in RAM that's far enough from anything else */ - /* TODO: Find a better way to "reserve" this region? */ - static void * const alternate_cbfs_buffer = (void *)0x77400000; - static size_t const alternate_cbfs_size = 0xc00000; -#endif - -#endif diff --git a/src/soc/samsung/exynos5250/cbmem.c b/src/soc/samsung/exynos5250/cbmem.c deleted file mode 100644 index 4650320..0000000 --- a/src/soc/samsung/exynos5250/cbmem.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stddef.h> -#include <cbmem.h> -#include "cpu.h" - -void *cbmem_top(void) -{ - return (void *)(get_fb_base_kb() * KiB); -} diff --git a/src/soc/samsung/exynos5250/dsim.h b/src/soc/samsung/exynos5250/dsim.h deleted file mode 100644 index b975a10..0000000 --- a/src/soc/samsung/exynos5250/dsim.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* Register map for Exynos5 MIPI-DSIM */ - -#ifndef CPU_SAMSUNG_EXYNOS5250_DSIM_H -#define CPU_SAMSUNG_EXYNOS5250_DSIM_H - -/* DSIM register map */ -struct exynos5_dsim { - unsigned int status; - unsigned int swrst; - unsigned int clkctrl; - unsigned int timeout; - unsigned int config; - unsigned int escmode; - unsigned int mdresol; - unsigned int mvporch; - unsigned int mhporch; - unsigned int msync; - unsigned int sdresol; - unsigned int intsrc; - unsigned int intmsk; - unsigned int pkthdr; - unsigned int payload; - unsigned int rxfifo; - unsigned int res1; - unsigned int fifoctrl; - unsigned int res2; - unsigned int pllctrl; - unsigned int plltmr; - unsigned int phyacchr; - unsigned int phyacchr1; -}; -check_member(exynos5_dsim, phyacchr1, 0x54); - -#define ENABLE 1 -#define DISABLE 0 - -#define DSIM_SWRST (1 << 0) -#define NUM_OF_DAT_LANE_IS_FOUR (3 << 5) -#define DATA_LANE_0_EN (1 << 0) -#define DATA_LANE_1_EN (1 << 1) -#define DATA_LANE_2_EN (1 << 2) -#define DATA_LANE_3_EN (1 << 3) -#define CLK_LANE_EN (1 << 4) -#define ENABLE_ALL_DATA_LANE DATA_LANE_0_EN | \ - DATA_LANE_1_EN | \ - DATA_LANE_2_EN | \ - DATA_LANE_3_EN -#define MAIN_PIX_FORMAT_OFFSET 12 -#define RGB_565_16_BIT 0x4 -#define VIDEO_MODE (1 << 25) -#define BURST_MODE (1 << 26) - - -#define DSIM_PHYACCHR_AFC_EN (1 << 14) -#define DSIM_PHYACCHR_AFC_CTL_OFFSET 5 - -#define DSIM_PLLCTRL_PMS_OFFSET 1 -#define DSIM_FREQ_BAND_OFFSET 24 - -#define LANE_ESC_CLK_EN_ALL (0x1f << 19) -#define BYTE_CLK_EN (1 << 24) -#define DSIM_ESC_CLK_EN (1 << 28) -#define TXREQUEST_HS_CLK_ON (1 << 31) - -#define LP_MODE_ENABLE (1 << 7) -#define STOP_STATE_CNT_OFFSET 21 - -#define MAIN_VBP_OFFSET 0 -#define STABLE_VFP_OFFSET 16 -#define CMD_ALLOW_OFFSET 28 - -#define MAIN_HBP_OFFSET 0 -#define MAIN_HFP_OFFSET 16 - -#define MAIN_HSA_OFFSET 0 -#define MAIN_VSA_OFFSET 22 - -#define MAIN_STANDBY (1 << 31) -#define MAIN_VRESOL_OFFSET 16 -#define MAIN_HRESOL_OFFSET 0 - -#define SFR_FIFO_EMPTY (1 << 29) - -#define DSIM_PLL_EN_SHIFT (1 << 23) -#define PLL_STABLE (1 << 31) - -#define DSIM_STOP_STATE_DAT(x) (((x) & 0xf) << 0) -#define DSIM_STOP_STATE_CLK (1 << 8) -#define DSIM_TX_READY_HS_CLK (1 << 10) - -#endif diff --git a/src/soc/samsung/exynos5250/mct.c b/src/soc/samsung/exynos5250/mct.c deleted file mode 100644 index bbb90e4..0000000 --- a/src/soc/samsung/exynos5250/mct.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2012 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> -#include <arch/io.h> -#include "clk.h" - -uint64_t mct_raw_value(void) -{ - uint64_t upper = readl(&exynos_mct->g_cnt_u); - uint64_t lower = readl(&exynos_mct->g_cnt_l); - - return (upper << 32) | lower; -} - -void mct_start(void) -{ - writel(readl(&exynos_mct->g_tcon) | (0x1 << 8), - &exynos_mct->g_tcon); -} diff --git a/src/soc/samsung/exynos5250/monotonic_timer.c b/src/soc/samsung/exynos5250/monotonic_timer.c deleted file mode 100644 index 89ac416..0000000 --- a/src/soc/samsung/exynos5250/monotonic_timer.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> -#include <timer.h> - -#include "clk.h" - -static const uint32_t clocks_per_usec = MCT_HZ/1000000; - -void timer_monotonic_get(struct mono_time *mt) -{ - /* We don't have to call mct_start() here - * because it was already called in the bootblock - */ - - mono_time_set_usecs(mt, mct_raw_value() / clocks_per_usec); -} diff --git a/src/soc/samsung/exynos5250/power.c b/src/soc/samsung/exynos5250/power.c deleted file mode 100644 index 7d94712..0000000 --- a/src/soc/samsung/exynos5250/power.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* Power setup code for EXYNOS5 */ - -#include <arch/io.h> -#include <console/console.h> -#include <halt.h> -#include "dmc.h" -#include "power.h" -#include "setup.h" - -/* Set the PS-Hold drive value */ -static void ps_hold_setup(void) -{ - /* Set PS-Hold high */ - setbits_le32(&exynos_power->ps_hold_ctrl, - POWER_PS_HOLD_CONTROL_DATA_HIGH); -} - -void power_reset(void) -{ - /* Clear inform1 so there's no change we think we've got a wake reset */ - exynos_power->inform1 = 0; - - setbits_le32(&exynos_power->sw_reset, 1); -} - -/* This function never returns */ -void power_shutdown(void) -{ - clrbits_le32(&exynos_power->ps_hold_ctrl, - POWER_PS_HOLD_CONTROL_DATA_HIGH); - - halt(); -} - -void power_enable_dp_phy(void) -{ - setbits_le32(&exynos_power->dptx_phy_control, EXYNOS_DP_PHY_ENABLE); -} - -void power_enable_hw_thermal_trip(void) -{ - /* Enable HW thermal trip */ - setbits_le32(&exynos_power->ps_hold_ctrl, POWER_ENABLE_HW_TRIP); -} - -uint32_t power_read_reset_status(void) -{ - return exynos_power->inform1; -} - -void power_exit_wakeup(void) -{ - typedef void (*resume_func)(void); - - ((resume_func)exynos_power->inform0)(); -} - -int power_init(void) -{ - ps_hold_setup(); - return 0; -} - -void power_enable_xclkout(void) -{ - /* use xxti for xclk out */ - clrsetbits_le32(&exynos_power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, - PMU_DEBUG_XXTI); -} - -void power_release_uart_retention(void) -{ - writel(1 << 28, &exynos_power->padret_uart_opt); -} diff --git a/src/soc/samsung/exynos5250/uart.c b/src/soc/samsung/exynos5250/uart.c index c02cdf7..91606ec 100644 --- a/src/soc/samsung/exynos5250/uart.c +++ b/src/soc/samsung/exynos5250/uart.c @@ -21,7 +21,6 @@ #include <console/uart.h> #include <arch/io.h> #include <boot/coreboot_tables.h> -#include "uart.h" #include "clk.h" #include "cpu.h" #include "periph.h" diff --git a/src/soc/samsung/exynos5250/uart.h b/src/soc/samsung/exynos5250/uart.h deleted file mode 100644 index e2514d7..0000000 --- a/src/soc/samsung/exynos5250/uart.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2012 Google Inc. - * Copyright (C) 2009 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5250_UART_H -#define CPU_SAMSUNG_EXYNOS5250_UART_H - -struct s5p_uart { - unsigned int ulcon; - unsigned int ucon; - unsigned int ufcon; - unsigned int umcon; - unsigned int utrstat; - unsigned int uerstat; - unsigned int ufstat; - unsigned int umstat; - unsigned char utxh; - unsigned char res1[3]; - unsigned char urxh; - unsigned char res2[3]; - unsigned int ubrdiv; - unsigned char res3[0xffd0]; -}; -check_member(s5p_uart, ubrdiv, 0x28); - -#endif diff --git a/src/soc/samsung/exynos5250/usb.c b/src/soc/samsung/exynos5250/usb.c deleted file mode 100644 index 76da1dd..0000000 --- a/src/soc/samsung/exynos5250/usb.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <delay.h> -#include <arch/io.h> -#include <console/console.h> -#include <device/device.h> -#include "gpio.h" -#include "power.h" -#include "sysreg.h" -#include "usb.h" - -static void reset_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) -{ - setbits_le32(&dwc3->ctl, 0x1 << 11); /* core soft reset */ - setbits_le32(&dwc3->usb3pipectl, 0x1 << 31); /* PHY soft reset */ - setbits_le32(&dwc3->usb2phycfg, 0x1 << 31); /* PHY soft reset */ -} - -void reset_usb_drd_dwc3() -{ - printk(BIOS_DEBUG, "Starting DWC3 reset for USB DRD\n"); - reset_dwc3(exynos_usb_drd_dwc3); -} - -static void setup_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) -{ - if (!(dwc3->ctl & 0x1 << 11) || - !(dwc3->usb3pipectl & 0x1 << 31) || - !(dwc3->usb2phycfg & 0x1 << 31)) { - printk(BIOS_ERR, "DWC3 at %p not in reset (you need to call " - "reset_usb_drd_dwc3() first)!\n", dwc3); - } - - /* Set relevant registers to default values (clearing all reset bits) */ - - writel(0x1 << 24 | /* activate PHY low power states */ - 0x4 << 19 | /* low power delay value */ - 0x1 << 18 | /* activate PHY low power delay */ - 0x1 << 17 | /* enable SuperSpeed PHY suspend */ - 0x1 << 1 | /* default Tx deemphasis value */ - 0, &dwc3->usb3pipectl); - - /* Configure PHY clock turnaround for 8-bit UTMI+, disable suspend */ - writel(0x9 << 10 | /* PHY clock turnaround for 8-bit UTMI+ */ - 0x1 << 8 | /* enable PHY sleep in L1 */ - 0x1 << 6 | /* enable PHY suspend */ - 0, &dwc3->usb2phycfg); - - writel(0x5dc << 19 | /* suspend clock scale for 24MHz */ - 0x1 << 16 | /* retry SS three times (bugfix from U-Boot) */ - 0x1 << 12 | /* port capability HOST */ - 0, &dwc3->ctl); -} - -void setup_usb_drd_dwc3() -{ - setup_dwc3(exynos_usb_drd_dwc3); - printk(BIOS_DEBUG, "DWC3 setup for USB DRD finished\n"); -} - -static void setup_drd_phy(struct exynos5_usb_drd_phy *phy) -{ - /* Set all PHY registers to default values */ - - /* XHCI Version 1.0, Frame Length adjustment 30 MHz */ - setbits_le32(&phy->linksystem, 0x1 << 27 | 0x20 << 1); - - /* Disable OTG, ID0 and DRVVBUS, do not force sleep/suspend */ - writel(1 << 6, &phy->utmi); - - writel(0x88 << 23 | /* spread spectrum refclk selector */ - 0x1 << 20 | /* enable spread spectrum */ - 0x1 << 19 | /* enable prescaler refclk */ - 0x68 << 11 | /* multiplier for 24MHz refclk */ - 0x5 << 5 | /* select 24MHz refclk (weird, from U-Boot) */ - 0x1 << 4 | /* power supply in normal operating mode */ - 0x3 << 2 | /* use external refclk (undocumented on 5420?)*/ - 0x1 << 1 | /* force port reset */ - 0x1 << 0 | /* normal operating mode */ - 0, &phy->clkrst); - - writel(0x9 << 26 | /* LOS level */ - 0x3 << 22 | /* TX VREF tune */ - 0x1 << 20 | /* TX rise tune */ - 0x1 << 18 | /* TX res tune */ - 0x3 << 13 | /* TX HS X Vtune */ - 0x3 << 9 | /* TX FS/LS tune */ - 0x3 << 6 | /* SQRX tune */ - 0x4 << 3 | /* OTG tune */ - 0x4 << 0 | /* comp disc tune */ - 0, &phy->param0); - - writel(0x7f << 19 | /* reserved */ - 0x7f << 12 | /* Tx launch amplitude */ - 0x20 << 6 | /* Tx deemphasis 6dB */ - 0x1c << 0 | /* Tx deemphasis 3.5dB (value from U-Boot) */ - 0, &phy->param1); - - /* disable all test features */ - writel(0, &phy->test); - - /* UTMI clock select? ("must be 0x1") */ - writel(0x1 << 2, &phy->utmiclksel); - - /* Samsung magic, undocumented (from U-Boot) */ - writel(0x0, &phy->resume); - - udelay(10); - clrbits_le32(&phy->clkrst, 0x1 << 1); /* deassert port reset */ -} - -void setup_usb_drd_phy() -{ - printk(BIOS_DEBUG, "Powering up USB DRD PHY\n"); - setbits_le32(&exynos_power->usb_drd_phy_ctrl, POWER_USB_PHY_CTRL_EN); - setup_drd_phy(exynos_usb_drd_phy); -} - -void setup_usb_host_phy(int hsic_gpio) -{ - unsigned int hostphy_ctrl0; - - setbits_le32(&exynos_sysreg->usb20_phy_cfg, USB20_PHY_CFG_EN); - setbits_le32(&exynos_power->usb_host_phy_ctrl, POWER_USB_PHY_CTRL_EN); - - printk(BIOS_DEBUG, "Powering up USB HOST PHY (%s HSIC)\n", - hsic_gpio ? "with" : "without"); - - hostphy_ctrl0 = readl(&exynos_usb_host_phy->usbphyctrl0); - hostphy_ctrl0 &= ~(HOST_CTRL0_FSEL_MASK | - HOST_CTRL0_COMMONON_N | - /* HOST Phy setting */ - HOST_CTRL0_PHYSWRST | - HOST_CTRL0_PHYSWRSTALL | - HOST_CTRL0_SIDDQ | - HOST_CTRL0_FORCESUSPEND | - HOST_CTRL0_FORCESLEEP); - hostphy_ctrl0 |= (/* Setting up the ref freq */ - CLK_24MHZ << 16 | - /* HOST Phy setting */ - HOST_CTRL0_LINKSWRST | - HOST_CTRL0_UTMISWRST); - writel(hostphy_ctrl0, &exynos_usb_host_phy->usbphyctrl0); - udelay(10); - clrbits_le32(&exynos_usb_host_phy->usbphyctrl0, - HOST_CTRL0_LINKSWRST | - HOST_CTRL0_UTMISWRST); - udelay(20); - - /* EHCI Ctrl setting */ - setbits_le32(&exynos_usb_host_phy->ehcictrl, - EHCICTRL_ENAINCRXALIGN | - EHCICTRL_ENAINCR4 | - EHCICTRL_ENAINCR8 | - EHCICTRL_ENAINCR16); - - /* HSIC USB Hub initialization. */ - if (hsic_gpio) { - gpio_direction_output(hsic_gpio, 0); - udelay(100); - gpio_direction_output(hsic_gpio, 1); - udelay(5000); - - clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_SIDDQ | - HOST_CTRL0_FORCESLEEP | - HOST_CTRL0_FORCESUSPEND); - setbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_PHYSWRST); - udelay(10); - clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_PHYSWRST); - } - - /* At this point we need to wait for 50ms before talking to - * the USB controller (PHY clock and power setup time) - * By the time we are actually in the payload, these 50ms - * will have passed. - */ -} diff --git a/src/soc/samsung/exynos5250/usb.h b/src/soc/samsung/exynos5250/usb.h deleted file mode 100644 index 20a2257..0000000 --- a/src/soc/samsung/exynos5250/usb.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5250_USB_H -#define CPU_SAMSUNG_EXYNOS5250_USB_H - -#include "cpu.h" - -#define CLK_24MHZ 5 - -#define HOST_CTRL0_PHYSWRSTALL (1 << 31) -#define HOST_CTRL0_COMMONON_N (1 << 9) -#define HOST_CTRL0_SIDDQ (1 << 6) -#define HOST_CTRL0_FORCESLEEP (1 << 5) -#define HOST_CTRL0_FORCESUSPEND (1 << 4) -#define HOST_CTRL0_WORDINTERFACE (1 << 3) -#define HOST_CTRL0_UTMISWRST (1 << 2) -#define HOST_CTRL0_LINKSWRST (1 << 1) -#define HOST_CTRL0_PHYSWRST (1 << 0) - -#define HOST_CTRL0_FSEL_MASK (7 << 16) - -#define EHCICTRL_ENAINCRXALIGN (1 << 29) -#define EHCICTRL_ENAINCR4 (1 << 28) -#define EHCICTRL_ENAINCR8 (1 << 27) -#define EHCICTRL_ENAINCR16 (1 << 26) - -/* Register map for PHY control */ -struct exynos5_usb_host_phy { - uint32_t usbphyctrl0; - uint32_t usbphytune0; - uint8_t reserved1[8]; - uint32_t hsicphyctrl1; - uint32_t hsicphytune1; - uint8_t reserved2[8]; - uint32_t hsicphyctrl2; - uint32_t hsicphytune2; - uint8_t reserved3[8]; - uint32_t ehcictrl; - uint32_t ohcictrl; - uint32_t usbotgsys; - uint8_t reserved4[4]; - uint32_t usbotgtune; -}; -check_member(exynos5_usb_host_phy, usbotgtune, 0x40); - -static struct exynos5_usb_host_phy * const exynos_usb_host_phy = - (void *)EXYNOS5_USB_HOST_PHY_BASE; - -struct exynos5_usb_drd_phy { - uint8_t reserved1[4]; - uint32_t linksystem; - uint32_t utmi; - uint32_t pipe; - uint32_t clkrst; - uint32_t reg0; - uint32_t reg1; - uint32_t param0; - uint32_t param1; - uint32_t term; - uint32_t test; - uint32_t adp; - uint32_t utmiclksel; - uint32_t resume; - uint8_t reserved2[8]; - uint32_t linkhcbelt; - uint32_t linkport; -}; -check_member(exynos5_usb_drd_phy, linkport, 0x44); - -static struct exynos5_usb_drd_phy * const exynos_usb_drd_phy = - (void *)EXYNOS5_USB_DRD_PHY_BASE; - -struct exynos5_usb_drd_dwc3 { - uint32_t sbuscfg0; - uint32_t sbuscfg1; - uint32_t txthrcfg; - uint32_t rxthrcfg; - uint32_t ctl; - uint32_t evten; - uint32_t sts; - uint8_t reserved0[4]; - uint32_t snpsid; - uint32_t gpio; - uint32_t uid; - uint32_t uctl; - uint64_t buserraddr; - uint64_t prtbimap; - uint8_t reserved1[32]; - uint32_t dbgfifospace; - uint32_t dbgltssm; - uint32_t dbglnmcc; - uint32_t dbgbmu; - uint32_t dbglspmux; - uint32_t dbglsp; - uint32_t dbgepinfo0; - uint32_t dbgepinfo1; - uint64_t prtbimap_hs; - uint64_t prtbimap_fs; - uint8_t reserved2[112]; - uint32_t usb2phycfg; - uint8_t reserved3[60]; - uint32_t usb2i2cctl; - uint8_t reserved4[60]; - uint32_t usb2phyacc; - uint8_t reserved5[60]; - uint32_t usb3pipectl; - uint8_t reserved6[60]; -}; -check_member(exynos5_usb_drd_dwc3, usb3pipectl, 0x1c0); - -static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd_dwc3 = - (void *)EXYNOS5_USB_DRD_DWC3_BASE; - -/* Leave hsic_gpio at 0 to not enable HSIC. */ -void setup_usb_host_phy(int hsic_gpio); - -void setup_usb_drd_phy(void); - -/* Call reset_ before setup_, ensure at least 100ms pass in between. */ -void reset_usb_drd_dwc3(void); -void setup_usb_drd_dwc3(void); - -#endif diff --git a/src/soc/samsung/exynos5420/Makefile.inc b/src/soc/samsung/exynos5420/Makefile.inc index 450f408..634a5b1 100644 --- a/src/soc/samsung/exynos5420/Makefile.inc +++ b/src/soc/samsung/exynos5420/Makefile.inc @@ -2,11 +2,10 @@ subdirs-y += ../exynos
bootblock-y += spi.c alternate_cbfs.c bootblock-y += bootblock.c -bootblock-y += pinmux.c mct.c power.c +bootblock-y += pinmux.c # Clock is required for UART bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += clock_init.c bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += clock.c -bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += monotonic_timer.c ifeq ($(CONFIG_DRIVERS_UART),y) bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += uart.c endif @@ -21,13 +20,11 @@ romstage-y += clock_init.c romstage-y += pinmux.c # required by s3c24x0_i2c and uart. romstage-y += dmc_common.c romstage-y += dmc_init_ddr3.c -romstage-y += power.c -romstage-y += mct.c -romstage-y += monotonic_timer.c romstage-$(CONFIG_DRIVERS_UART) += uart.c romstage-y += wakeup.c romstage-y += gpio.c romstage-y += timer.c +romstage-y += trustzone.c romstage-y += i2c.c #romstage-y += wdt.c romstage-y += trustzone.c @@ -36,12 +33,9 @@ ramstage-y += spi.c alternate_cbfs.c ramstage-y += clock.c ramstage-y += clock_init.c ramstage-y += pinmux.c -ramstage-y += power.c ramstage-$(CONFIG_DRIVERS_UART) += uart.c ramstage-y += cpu.c ramstage-y += tmu.c -ramstage-y += mct.c -ramstage-y += monotonic_timer.c ramstage-y += timer.c ramstage-y += gpio.c ramstage-y += i2c.c diff --git a/src/soc/samsung/exynos5420/alternate_cbfs.h b/src/soc/samsung/exynos5420/alternate_cbfs.h deleted file mode 100644 index af7751d..0000000 --- a/src/soc/samsung/exynos5420/alternate_cbfs.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H -#define CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H - -/* These are pointers to function pointers. Double indirection! */ -static void * * const irom_sdmmc_read_blocks_ptr = (void * *)0x02020030; -static void * * const irom_msh_read_from_fifo_emmc_ptr = (void * *)0x02020044; -static void * * const irom_msh_end_boot_op_emmc_ptr = (void * *)0x02020048; -static void * * const irom_spi_sf_read_ptr = (void * *)0x02020058; -static void * * const irom_load_image_from_usb_ptr = (void * *)0x02020070; - -#define SECONDARY_BASE_BOOT_USB 0xfeed0002 -static u32 * const iram_secondary_base = (u32 *)0x02020018; - -/* Values pulled from U-Boot, I think the manual is wrong here (for SPI) */ -#define OM_STAT_SDMMC 0x4 -#define OM_STAT_EMMC 0x8 -#define OM_STAT_SPI 0x14 -#define OM_STAT_MASK 0x7f - -#if defined(__BOOT_BLOCK__) - /* A small space in IRAM to hold the romstage-only image */ - static void * const alternate_cbfs_buffer = - (void *)CONFIG_CBFS_CACHE_ADDRESS; - static size_t const alternate_cbfs_size = CONFIG_CBFS_CACHE_SIZE; -#else - /* Just put this anywhere in RAM that's far enough from anything else */ - /* TODO: Find a better way to "reserve" this region? */ - static void * const alternate_cbfs_buffer = (void *)0x77400000; - static size_t const alternate_cbfs_size = 0xc00000; -#endif - -#endif /* CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H */ diff --git a/src/soc/samsung/exynos5420/cbmem.c b/src/soc/samsung/exynos5420/cbmem.c deleted file mode 100644 index 4650320..0000000 --- a/src/soc/samsung/exynos5420/cbmem.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stddef.h> -#include <cbmem.h> -#include "cpu.h" - -void *cbmem_top(void) -{ - return (void *)(get_fb_base_kb() * KiB); -} diff --git a/src/soc/samsung/exynos5420/dsim.h b/src/soc/samsung/exynos5420/dsim.h deleted file mode 100644 index 9ad55d7..0000000 --- a/src/soc/samsung/exynos5420/dsim.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* Register map for Exynos5 MIPI-DSIM */ - -#ifndef CPU_SAMSUNG_EXYNOS5420_DSIM_H -#define CPU_SAMSUNG_EXYNOS5420_DSIM_H - -/* DSIM register map */ -struct exynos5_dsim { - unsigned int status; - unsigned int swrst; - unsigned int clkctrl; - unsigned int timeout; - unsigned int config; - unsigned int escmode; - unsigned int mdresol; - unsigned int mvporch; - unsigned int mhporch; - unsigned int msync; - unsigned int sdresol; - unsigned int intsrc; - unsigned int intmsk; - unsigned int pkthdr; - unsigned int payload; - unsigned int rxfifo; - unsigned int res1; - unsigned int fifoctrl; - unsigned int res2; - unsigned int pllctrl; - unsigned int plltmr; - unsigned int phyacchr; - unsigned int phyacchr1; -}; -check_member(exynos5_dsim, phyacchr1, 0x54); - -#define ENABLE 1 -#define DISABLE 0 - -#define DSIM_SWRST (1 << 0) -#define NUM_OF_DAT_LANE_IS_FOUR (3 << 5) -#define DATA_LANE_0_EN (1 << 0) -#define DATA_LANE_1_EN (1 << 1) -#define DATA_LANE_2_EN (1 << 2) -#define DATA_LANE_3_EN (1 << 3) -#define CLK_LANE_EN (1 << 4) -#define ENABLE_ALL_DATA_LANE DATA_LANE_0_EN | \ - DATA_LANE_1_EN | \ - DATA_LANE_2_EN | \ - DATA_LANE_3_EN -#define MAIN_PIX_FORMAT_OFFSET 12 -#define RGB_565_16_BIT 0x4 -#define VIDEO_MODE (1 << 25) -#define BURST_MODE (1 << 26) - - -#define DSIM_PHYACCHR_AFC_EN (1 << 14) -#define DSIM_PHYACCHR_AFC_CTL_OFFSET 5 - -#define DSIM_PLLCTRL_PMS_OFFSET 1 -#define DSIM_FREQ_BAND_OFFSET 24 - -#define LANE_ESC_CLK_EN_ALL (0x1f << 19) -#define BYTE_CLK_EN (1 << 24) -#define DSIM_ESC_CLK_EN (1 << 28) -#define TXREQUEST_HS_CLK_ON (1 << 31) - -#define LP_MODE_ENABLE (1 << 7) -#define STOP_STATE_CNT_OFFSET 21 - -#define MAIN_VBP_OFFSET 0 -#define STABLE_VFP_OFFSET 16 -#define CMD_ALLOW_OFFSET 28 - -#define MAIN_HBP_OFFSET 0 -#define MAIN_HFP_OFFSET 16 - -#define MAIN_HSA_OFFSET 0 -#define MAIN_VSA_OFFSET 22 - -#define MAIN_STANDBY (1 << 31) -#define MAIN_VRESOL_OFFSET 16 -#define MAIN_HRESOL_OFFSET 0 - -#define SFR_FIFO_EMPTY (1 << 29) - -#define DSIM_PLL_EN_SHIFT (1 << 23) -#define PLL_STABLE (1 << 31) - -#define DSIM_STOP_STATE_DAT(x) (((x) & 0xf) << 0) -#define DSIM_STOP_STATE_CLK (1 << 8) -#define DSIM_TX_READY_HS_CLK (1 << 10) - -#endif diff --git a/src/soc/samsung/exynos5420/mct.c b/src/soc/samsung/exynos5420/mct.c deleted file mode 100644 index bbb90e4..0000000 --- a/src/soc/samsung/exynos5420/mct.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2012 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> -#include <arch/io.h> -#include "clk.h" - -uint64_t mct_raw_value(void) -{ - uint64_t upper = readl(&exynos_mct->g_cnt_u); - uint64_t lower = readl(&exynos_mct->g_cnt_l); - - return (upper << 32) | lower; -} - -void mct_start(void) -{ - writel(readl(&exynos_mct->g_tcon) | (0x1 << 8), - &exynos_mct->g_tcon); -} diff --git a/src/soc/samsung/exynos5420/monotonic_timer.c b/src/soc/samsung/exynos5420/monotonic_timer.c deleted file mode 100644 index 89ac416..0000000 --- a/src/soc/samsung/exynos5420/monotonic_timer.c +++ /dev/null @@ -1,34 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> -#include <timer.h> - -#include "clk.h" - -static const uint32_t clocks_per_usec = MCT_HZ/1000000; - -void timer_monotonic_get(struct mono_time *mt) -{ - /* We don't have to call mct_start() here - * because it was already called in the bootblock - */ - - mono_time_set_usecs(mt, mct_raw_value() / clocks_per_usec); -} diff --git a/src/soc/samsung/exynos5420/power.c b/src/soc/samsung/exynos5420/power.c deleted file mode 100644 index 7d94712..0000000 --- a/src/soc/samsung/exynos5420/power.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* Power setup code for EXYNOS5 */ - -#include <arch/io.h> -#include <console/console.h> -#include <halt.h> -#include "dmc.h" -#include "power.h" -#include "setup.h" - -/* Set the PS-Hold drive value */ -static void ps_hold_setup(void) -{ - /* Set PS-Hold high */ - setbits_le32(&exynos_power->ps_hold_ctrl, - POWER_PS_HOLD_CONTROL_DATA_HIGH); -} - -void power_reset(void) -{ - /* Clear inform1 so there's no change we think we've got a wake reset */ - exynos_power->inform1 = 0; - - setbits_le32(&exynos_power->sw_reset, 1); -} - -/* This function never returns */ -void power_shutdown(void) -{ - clrbits_le32(&exynos_power->ps_hold_ctrl, - POWER_PS_HOLD_CONTROL_DATA_HIGH); - - halt(); -} - -void power_enable_dp_phy(void) -{ - setbits_le32(&exynos_power->dptx_phy_control, EXYNOS_DP_PHY_ENABLE); -} - -void power_enable_hw_thermal_trip(void) -{ - /* Enable HW thermal trip */ - setbits_le32(&exynos_power->ps_hold_ctrl, POWER_ENABLE_HW_TRIP); -} - -uint32_t power_read_reset_status(void) -{ - return exynos_power->inform1; -} - -void power_exit_wakeup(void) -{ - typedef void (*resume_func)(void); - - ((resume_func)exynos_power->inform0)(); -} - -int power_init(void) -{ - ps_hold_setup(); - return 0; -} - -void power_enable_xclkout(void) -{ - /* use xxti for xclk out */ - clrsetbits_le32(&exynos_power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK, - PMU_DEBUG_XXTI); -} - -void power_release_uart_retention(void) -{ - writel(1 << 28, &exynos_power->padret_uart_opt); -} diff --git a/src/soc/samsung/exynos5420/uart.c b/src/soc/samsung/exynos5420/uart.c index 7a7b79b..0ea12ff 100644 --- a/src/soc/samsung/exynos5420/uart.c +++ b/src/soc/samsung/exynos5420/uart.c @@ -21,7 +21,6 @@ #include <console/uart.h> #include <arch/io.h> #include <boot/coreboot_tables.h> -#include "uart.h" #include "clk.h" #include "cpu.h" #include "periph.h" diff --git a/src/soc/samsung/exynos5420/uart.h b/src/soc/samsung/exynos5420/uart.h deleted file mode 100644 index ed78f60..0000000 --- a/src/soc/samsung/exynos5420/uart.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2012 Google Inc. - * Copyright (C) 2009 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5420_UART_H -#define CPU_SAMSUNG_EXYNOS5420_UART_H - -struct s5p_uart { - unsigned int ulcon; - unsigned int ucon; - unsigned int ufcon; - unsigned int umcon; - unsigned int utrstat; - unsigned int uerstat; - unsigned int ufstat; - unsigned int umstat; - unsigned char utxh; - unsigned char res1[3]; - unsigned char urxh; - unsigned char res2[3]; - unsigned int ubrdiv; - unsigned char res3[0xffd0]; -}; -check_member(s5p_uart, ubrdiv, 0x28); - -#endif diff --git a/src/soc/samsung/exynos5420/usb.c b/src/soc/samsung/exynos5420/usb.c deleted file mode 100644 index 84a6f4c..0000000 --- a/src/soc/samsung/exynos5420/usb.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * Copyright 2013 Google Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <delay.h> -#include <arch/io.h> -#include <console/console.h> -#include <device/device.h> -#include "gpio.h" -#include "power.h" -#include "sysreg.h" -#include "usb.h" - -static void reset_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) -{ - setbits_le32(&dwc3->ctl, 0x1 << 11); /* core soft reset */ - setbits_le32(&dwc3->usb3pipectl, 0x1 << 31); /* PHY soft reset */ - setbits_le32(&dwc3->usb2phycfg, 0x1 << 31); /* PHY soft reset */ -} - -void reset_usb_drd0_dwc3() -{ - printk(BIOS_DEBUG, "Starting DWC3 reset for USB DRD0\n"); - reset_dwc3(exynos_usb_drd0_dwc3); -} - -void reset_usb_drd1_dwc3() -{ - printk(BIOS_DEBUG, "Starting DWC3 reset for USB DRD1\n"); - reset_dwc3(exynos_usb_drd1_dwc3); -} - -static void setup_dwc3(struct exynos5_usb_drd_dwc3 *dwc3) -{ - if (!(dwc3->ctl & 0x1 << 11) || - !(dwc3->usb3pipectl & 0x1 << 31) || - !(dwc3->usb2phycfg & 0x1 << 31)) { - printk(BIOS_ERR, "DWC3 at %p not in reset (you need to call " - "reset_usb_drdX_dwc3() first)!\n", dwc3); - } - - /* Set relevant registers to default values (clearing all reset bits) */ - - writel(0x1 << 24 | /* activate PHY low power states */ - 0x4 << 19 | /* low power delay value */ - 0x1 << 18 | /* activate PHY low power delay */ - 0x1 << 17 | /* enable SuperSpeed PHY suspend */ - 0x1 << 1 | /* default Tx deemphasis value */ - 0, &dwc3->usb3pipectl); - - /* Configure PHY clock turnaround for 8-bit UTMI+, disable suspend */ - writel(0x9 << 10 | /* PHY clock turnaround for 8-bit UTMI+ */ - 0x1 << 8 | /* enable PHY sleep in L1 */ - 0x1 << 6 | /* enable PHY suspend */ - 0, &dwc3->usb2phycfg); - - writel(0x5dc << 19 | /* suspend clock scale for 24MHz */ - 0x1 << 16 | /* retry SS three times (bugfix from U-Boot) */ - 0x1 << 12 | /* port capability HOST */ - 0, &dwc3->ctl); -} - -void setup_usb_drd0_dwc3() -{ - setup_dwc3(exynos_usb_drd0_dwc3); - printk(BIOS_DEBUG, "DWC3 setup for USB DRD0 finished\n"); -} - -void setup_usb_drd1_dwc3() -{ - setup_dwc3(exynos_usb_drd1_dwc3); - printk(BIOS_DEBUG, "DWC3 setup for USB DRD1 finished\n"); -} - -static void setup_drd_phy(struct exynos5_usb_drd_phy *phy) -{ - /* Set all PHY registers to default values */ - - /* XHCI Version 1.0, Frame Length adjustment 30 MHz */ - setbits_le32(&phy->linksystem, 0x1 << 27 | 0x20 << 1); - - /* Disable OTG, ID0 and DRVVBUS, do not force sleep/suspend */ - writel(1 << 6, &phy->utmi); - - writel(0x88 << 23 | /* spread spectrum refclk selector */ - 0x1 << 20 | /* enable spread spectrum */ - 0x1 << 19 | /* enable prescaler refclk */ - 0x68 << 11 | /* multiplier for 24MHz refclk */ - 0x5 << 5 | /* select 24MHz refclk (weird, from U-Boot) */ - 0x1 << 4 | /* power supply in normal operating mode */ - 0x3 << 2 | /* use external refclk (undocumented on 5420?)*/ - 0x1 << 1 | /* force port reset */ - 0x1 << 0 | /* normal operating mode */ - 0, &phy->clkrst); - - writel(0x9 << 26 | /* LOS level */ - 0x3 << 22 | /* TX VREF tune */ - 0x1 << 20 | /* TX rise tune */ - 0x1 << 18 | /* TX res tune */ - 0x3 << 13 | /* TX HS X Vtune */ - 0x3 << 9 | /* TX FS/LS tune */ - 0x3 << 6 | /* SQRX tune */ - 0x4 << 3 | /* OTG tune */ - 0x4 << 0 | /* comp disc tune */ - 0, &phy->param0); - - writel(0x7f << 19 | /* reserved */ - 0x7f << 12 | /* Tx launch amplitude */ - 0x20 << 6 | /* Tx deemphasis 6dB */ - 0x1c << 0 | /* Tx deemphasis 3.5dB (value from U-Boot) */ - 0, &phy->param1); - - /* disable all test features */ - writel(0, &phy->test); - - /* UTMI clock select? ("must be 0x1") */ - writel(0x1 << 2, &phy->utmiclksel); - - /* Samsung magic, undocumented (from U-Boot) */ - writel(0x0, &phy->resume); - - udelay(10); - clrbits_le32(&phy->clkrst, 0x1 << 1); /* deassert port reset */ -} - -void setup_usb_drd0_phy() -{ - printk(BIOS_DEBUG, "Powering up USB DRD0 PHY\n"); - setbits_le32(&exynos_power->usb_drd0_phy_ctrl, POWER_USB_PHY_CTRL_EN); - setup_drd_phy(exynos_usb_drd0_phy); -} - -void setup_usb_drd1_phy() -{ - printk(BIOS_DEBUG, "Powering up USB DRD1 PHY\n"); - setbits_le32(&exynos_power->usb_drd1_phy_ctrl, POWER_USB_PHY_CTRL_EN); - setup_drd_phy(exynos_usb_drd1_phy); -} - -void setup_usb_host_phy(int hsic_gpio) -{ - unsigned int hostphy_ctrl0; - - setbits_le32(&exynos_sysreg->usb20_phy_cfg, USB20_PHY_CFG_EN); - setbits_le32(&exynos_power->usb_host_phy_ctrl, POWER_USB_PHY_CTRL_EN); - - printk(BIOS_DEBUG, "Powering up USB HOST PHY (%s HSIC)\n", - hsic_gpio ? "with" : "without"); - - hostphy_ctrl0 = readl(&exynos_usb_host_phy->usbphyctrl0); - hostphy_ctrl0 &= ~(HOST_CTRL0_FSEL_MASK | - HOST_CTRL0_COMMONON_N | - /* HOST Phy setting */ - HOST_CTRL0_PHYSWRST | - HOST_CTRL0_PHYSWRSTALL | - HOST_CTRL0_SIDDQ | - HOST_CTRL0_FORCESUSPEND | - HOST_CTRL0_FORCESLEEP); - hostphy_ctrl0 |= (/* Setting up the ref freq */ - CLK_24MHZ << 16 | - /* HOST Phy setting */ - HOST_CTRL0_LINKSWRST | - HOST_CTRL0_UTMISWRST); - writel(hostphy_ctrl0, &exynos_usb_host_phy->usbphyctrl0); - udelay(10); - clrbits_le32(&exynos_usb_host_phy->usbphyctrl0, - HOST_CTRL0_LINKSWRST | - HOST_CTRL0_UTMISWRST); - udelay(20); - - /* EHCI Ctrl setting */ - setbits_le32(&exynos_usb_host_phy->ehcictrl, - EHCICTRL_ENAINCRXALIGN | - EHCICTRL_ENAINCR4 | - EHCICTRL_ENAINCR8 | - EHCICTRL_ENAINCR16); - - /* HSIC USB Hub initialization. */ - if (hsic_gpio) { - gpio_direction_output(hsic_gpio, 0); - udelay(100); - gpio_direction_output(hsic_gpio, 1); - udelay(5000); - - clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_SIDDQ | - HOST_CTRL0_FORCESLEEP | - HOST_CTRL0_FORCESUSPEND); - setbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_PHYSWRST); - udelay(10); - clrbits_le32(&exynos_usb_host_phy->hsicphyctrl1, - HOST_CTRL0_PHYSWRST); - } - - /* At this point we need to wait for 50ms before talking to - * the USB controller (PHY clock and power setup time) - * By the time we are actually in the payload, these 50ms - * will have passed. - */ -} diff --git a/src/soc/samsung/exynos5420/usb.h b/src/soc/samsung/exynos5420/usb.h deleted file mode 100644 index 599b944..0000000 --- a/src/soc/samsung/exynos5420/usb.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef CPU_SAMSUNG_EXYNOS5420_USB_H -#define CPU_SAMSUNG_EXYNOS5420_USB_H - -#include "cpu.h" - -#define CLK_24MHZ 5 - -#define HOST_CTRL0_PHYSWRSTALL (1 << 31) -#define HOST_CTRL0_COMMONON_N (1 << 9) -#define HOST_CTRL0_SIDDQ (1 << 6) -#define HOST_CTRL0_FORCESLEEP (1 << 5) -#define HOST_CTRL0_FORCESUSPEND (1 << 4) -#define HOST_CTRL0_WORDINTERFACE (1 << 3) -#define HOST_CTRL0_UTMISWRST (1 << 2) -#define HOST_CTRL0_LINKSWRST (1 << 1) -#define HOST_CTRL0_PHYSWRST (1 << 0) - -#define HOST_CTRL0_FSEL_MASK (7 << 16) - -#define EHCICTRL_ENAINCRXALIGN (1 << 29) -#define EHCICTRL_ENAINCR4 (1 << 28) -#define EHCICTRL_ENAINCR8 (1 << 27) -#define EHCICTRL_ENAINCR16 (1 << 26) - -/* Register map for PHY control */ -struct exynos5_usb_host_phy { - uint32_t usbphyctrl0; - uint32_t usbphytune0; - uint8_t reserved1[8]; - uint32_t hsicphyctrl1; - uint32_t hsicphytune1; - uint8_t reserved2[8]; - uint32_t hsicphyctrl2; - uint32_t hsicphytune2; - uint8_t reserved3[8]; - uint32_t ehcictrl; - uint32_t ohcictrl; - uint32_t usbotgsys; - uint8_t reserved4[4]; - uint32_t usbotgtune; -}; -check_member(exynos5_usb_host_phy, usbotgtune, 0x40); - -static struct exynos5_usb_host_phy * const exynos_usb_host_phy = - (void *)EXYNOS5_USB_HOST_PHY_BASE; - -struct exynos5_usb_drd_phy { - uint8_t reserved1[4]; - uint32_t linksystem; - uint32_t utmi; - uint32_t pipe; - uint32_t clkrst; - uint32_t reg0; - uint32_t reg1; - uint32_t param0; - uint32_t param1; - uint32_t term; - uint32_t test; - uint32_t adp; - uint32_t utmiclksel; - uint32_t resume; - uint8_t reserved2[8]; - uint32_t linkhcbelt; - uint32_t linkport; -}; -check_member(exynos5_usb_drd_phy, linkport, 0x44); - -static struct exynos5_usb_drd_phy * const exynos_usb_drd0_phy = - (void *)EXYNOS5420_USB_DRD0_PHY_BASE; -static struct exynos5_usb_drd_phy * const exynos_usb_drd1_phy = - (void *)EXYNOS5420_USB_DRD1_PHY_BASE; - -struct exynos5_usb_drd_dwc3 { - uint32_t sbuscfg0; - uint32_t sbuscfg1; - uint32_t txthrcfg; - uint32_t rxthrcfg; - uint32_t ctl; - uint32_t evten; - uint32_t sts; - uint8_t reserved0[4]; - uint32_t snpsid; - uint32_t gpio; - uint32_t uid; - uint32_t uctl; - uint64_t buserraddr; - uint64_t prtbimap; - uint8_t reserved1[32]; - uint32_t dbgfifospace; - uint32_t dbgltssm; - uint32_t dbglnmcc; - uint32_t dbgbmu; - uint32_t dbglspmux; - uint32_t dbglsp; - uint32_t dbgepinfo0; - uint32_t dbgepinfo1; - uint64_t prtbimap_hs; - uint64_t prtbimap_fs; - uint8_t reserved2[112]; - uint32_t usb2phycfg; - uint8_t reserved3[60]; - uint32_t usb2i2cctl; - uint8_t reserved4[60]; - uint32_t usb2phyacc; - uint8_t reserved5[60]; - uint32_t usb3pipectl; - uint8_t reserved6[60]; -}; -check_member(exynos5_usb_drd_dwc3, usb3pipectl, 0x1c0); - -static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd0_dwc3 = - (void *)EXYNOS5420_USB_DRD0_DWC3_BASE; -static struct exynos5_usb_drd_dwc3 * const exynos_usb_drd1_dwc3 = - (void *)EXYNOS5420_USB_DRD1_DWC3_BASE; - -/* Leave hsic_gpio at 0 to not enable HSIC. */ -void setup_usb_host_phy(int hsic_gpio); - -void setup_usb_drd0_phy(void); -void setup_usb_drd1_phy(void); - -/* Call reset_ before setup_, ensure at least 100ms pass in between. */ -void reset_usb_drd0_dwc3(void); -void reset_usb_drd1_dwc3(void); -void setup_usb_drd0_dwc3(void); -void setup_usb_drd1_dwc3(void); - -#endif
-
Edward O'Callaghan