diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/ti/clk-k3-pll.c | 13 | ||||
-rw-r--r-- | drivers/clk/ti/clk-k3.c | 4 | ||||
-rw-r--r-- | drivers/ddr/altera/sequencer.c | 8 | ||||
-rw-r--r-- | drivers/mtd/Makefile | 1 | ||||
-rw-r--r-- | drivers/mtd/st_smi.c | 565 | ||||
-rw-r--r-- | drivers/phy/allwinner/Kconfig | 8 | ||||
-rw-r--r-- | drivers/phy/allwinner/Makefile | 1 | ||||
-rw-r--r-- | drivers/phy/allwinner/phy-sun50i-usb3.c | 171 | ||||
-rw-r--r-- | drivers/phy/marvell/comphy_cp110.c | 7 | ||||
-rw-r--r-- | drivers/usb/common/common.c | 3 | ||||
-rw-r--r-- | drivers/usb/host/ehci-mx6.c | 25 | ||||
-rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 59 | ||||
-rw-r--r-- | drivers/usb/host/xhci-mem.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 52 | ||||
-rw-r--r-- | drivers/usb/host/xhci.c | 35 | ||||
-rw-r--r-- | drivers/watchdog/designware_wdt.c | 10 |
16 files changed, 340 insertions, 624 deletions
diff --git a/drivers/clk/ti/clk-k3-pll.c b/drivers/clk/ti/clk-k3-pll.c index bf2407a020..bf762c558e 100644 --- a/drivers/clk/ti/clk-k3-pll.c +++ b/drivers/clk/ti/clk-k3-pll.c @@ -2,7 +2,7 @@ /* * Texas Instruments K3 SoC PLL clock driver * - * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2020-2021 Texas Instruments Incorporated - http://www.ti.com/ * Tero Kristo <t-kristo@ti.com> */ @@ -122,6 +122,7 @@ static ulong ti_pll_clk_set_rate(struct clk *clk, ulong rate) unsigned long pllm; u32 pllfm = 0; unsigned long plld; + u32 div_ctrl; u32 rem; int shift; @@ -175,7 +176,15 @@ static ulong ti_pll_clk_set_rate(struct clk *clk, ulong rate) writel(pllm, pll->reg + PLL_16FFT_FREQ_CTRL0); writel(pllfm, pll->reg + PLL_16FFT_FREQ_CTRL1); - writel(plld, pll->reg + PLL_16FFT_DIV_CTRL); + + /* + * div_ctrl register contains other divider values, so rmw + * only plld and leave existing values alone + */ + div_ctrl = readl(pll->reg + PLL_16FFT_DIV_CTRL); + div_ctrl &= ~PLL_16FFT_DIV_CTRL_REF_DIV_MASK; + div_ctrl |= plld; + writel(div_ctrl, pll->reg + PLL_16FFT_DIV_CTRL); ctrl &= ~PLL_16FFT_CTRL_BYPASS_EN; ctrl |= PLL_16FFT_CTRL_PLL_EN; diff --git a/drivers/clk/ti/clk-k3.c b/drivers/clk/ti/clk-k3.c index e921894e7a..e04c57eff2 100644 --- a/drivers/clk/ti/clk-k3.c +++ b/drivers/clk/ti/clk-k3.c @@ -2,7 +2,7 @@ /* * Texas Instruments K3 clock driver * - * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2020-2021 Texas Instruments Incorporated - http://www.ti.com/ * Tero Kristo <t-kristo@ti.com> */ @@ -112,7 +112,7 @@ static int ti_clk_probe(struct udevice *dev) map_physmem(ti_clk_data->clk.div.reg, 0, MAP_NOCACHE), ti_clk_data->clk.div.shift, ti_clk_data->clk.div.width, - 0); + ti_clk_data->clk.div.div_flags); break; case CLK_TYPE_MUX: name = ti_clk_data->clk.mux.name; diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 6b9b2e9094..8a016f0628 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -3714,7 +3714,7 @@ static void debug_mem_calibrate(struct socfpga_sdrseq *seq, int pass) u32 debug_info; if (pass) { - debug("%s: CALIBRATION PASSED\n", __FILE__); + debug(KBUILD_BASENAME ": CALIBRATION PASSED\n"); seq->gbl.fom_in /= 2; seq->gbl.fom_out /= 2; @@ -3733,7 +3733,7 @@ static void debug_mem_calibrate(struct socfpga_sdrseq *seq, int pass) writel(debug_info, &phy_mgr_cfg->cal_debug_info); writel(PHY_MGR_CAL_SUCCESS, &phy_mgr_cfg->cal_status); } else { - debug("%s: CALIBRATION FAILED\n", __FILE__); + debug(KBUILD_BASENAME ": CALIBRATION FAILED\n"); debug_info = seq->gbl.error_stage; debug_info |= seq->gbl.error_substage << 8; @@ -3750,7 +3750,7 @@ static void debug_mem_calibrate(struct socfpga_sdrseq *seq, int pass) writel(debug_info, &sdr_reg_file->failing_stage); } - debug("%s: Calibration complete\n", __FILE__); + debug(KBUILD_BASENAME ": Calibration complete\n"); } /** @@ -3934,7 +3934,7 @@ int sdram_calibration_full(struct socfpga_sdr *sdr) initialize_tracking(&seq); - debug("%s: Preparing to start memory calibration\n", __FILE__); + debug(KBUILD_BASENAME ": Preparing to start memory calibration\n"); debug("%s:%d\n", __func__, __LINE__); debug_cond(DLEVEL >= 1, diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 6d77ebfaa5..ce0451108e 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -12,7 +12,6 @@ mtd-$(CONFIG_FLASH_CFI_DRIVER) += cfi_flash.o mtd-$(CONFIG_FLASH_CFI_MTD) += cfi_mtd.o mtd-$(CONFIG_FLASH_CFI_LEGACY) += jedec_flash.o mtd-$(CONFIG_FLASH_PIC32) += pic32_flash.o -mtd-$(CONFIG_ST_SMI) += st_smi.o mtd-$(CONFIG_STM32_FLASH) += stm32_flash.o mtd-$(CONFIG_RENESAS_RPC_HF) += renesas_rpc_hf.o mtd-$(CONFIG_HBMC_AM654) += hbmc-am654.o diff --git a/drivers/mtd/st_smi.c b/drivers/mtd/st_smi.c deleted file mode 100644 index 7c652e6c53..0000000000 --- a/drivers/mtd/st_smi.c +++ /dev/null @@ -1,565 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2009 - * Vipin Kumar, ST Microelectronics, vipin.kumar@st.com. - */ - -#include <common.h> -#include <flash.h> -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/mtd/st_smi.h> - -#include <asm/io.h> -#include <asm/arch/hardware.h> - -#if defined(CONFIG_MTD_NOR_FLASH) - -static struct smi_regs *const smicntl = - (struct smi_regs * const)CONFIG_SYS_SMI_BASE; -static ulong bank_base[CONFIG_SYS_MAX_FLASH_BANKS] = - CONFIG_SYS_FLASH_ADDR_BASE; -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; - -/* data structure to maintain flash ids from different vendors */ -struct flash_device { - char *name; - u8 erase_cmd; - u32 device_id; - u32 pagesize; - unsigned long sectorsize; - unsigned long size_in_bytes; -}; - -#define FLASH_ID(n, es, id, psize, ssize, size) \ -{ \ - .name = n, \ - .erase_cmd = es, \ - .device_id = id, \ - .pagesize = psize, \ - .sectorsize = ssize, \ - .size_in_bytes = size \ -} - -/* - * List of supported flash devices. - * Currently the erase_cmd field is not used in this driver. - */ -static struct flash_device flash_devices[] = { - FLASH_ID("st m25p16" , 0xd8, 0x00152020, 0x100, 0x10000, 0x200000), - FLASH_ID("st m25p32" , 0xd8, 0x00162020, 0x100, 0x10000, 0x400000), - FLASH_ID("st m25p64" , 0xd8, 0x00172020, 0x100, 0x10000, 0x800000), - FLASH_ID("st m25p128" , 0xd8, 0x00182020, 0x100, 0x40000, 0x1000000), - FLASH_ID("st m25p05" , 0xd8, 0x00102020, 0x80 , 0x8000 , 0x10000), - FLASH_ID("st m25p10" , 0xd8, 0x00112020, 0x80 , 0x8000 , 0x20000), - FLASH_ID("st m25p20" , 0xd8, 0x00122020, 0x100, 0x10000, 0x40000), - FLASH_ID("st m25p40" , 0xd8, 0x00132020, 0x100, 0x10000, 0x80000), - FLASH_ID("st m25p80" , 0xd8, 0x00142020, 0x100, 0x10000, 0x100000), - FLASH_ID("st m45pe10" , 0xd8, 0x00114020, 0x100, 0x10000, 0x20000), - FLASH_ID("st m45pe20" , 0xd8, 0x00124020, 0x100, 0x10000, 0x40000), - FLASH_ID("st m45pe40" , 0xd8, 0x00134020, 0x100, 0x10000, 0x80000), - FLASH_ID("st m45pe80" , 0xd8, 0x00144020, 0x100, 0x10000, 0x100000), - FLASH_ID("sp s25fl004" , 0xd8, 0x00120201, 0x100, 0x10000, 0x80000), - FLASH_ID("sp s25fl008" , 0xd8, 0x00130201, 0x100, 0x10000, 0x100000), - FLASH_ID("sp s25fl016" , 0xd8, 0x00140201, 0x100, 0x10000, 0x200000), - FLASH_ID("sp s25fl032" , 0xd8, 0x00150201, 0x100, 0x10000, 0x400000), - FLASH_ID("sp s25fl064" , 0xd8, 0x00160201, 0x100, 0x10000, 0x800000), - FLASH_ID("mac 25l512" , 0xd8, 0x001020C2, 0x010, 0x10000, 0x10000), - FLASH_ID("mac 25l1005" , 0xd8, 0x001120C2, 0x010, 0x10000, 0x20000), - FLASH_ID("mac 25l2005" , 0xd8, 0x001220C2, 0x010, 0x10000, 0x40000), - FLASH_ID("mac 25l4005" , 0xd8, 0x001320C2, 0x010, 0x10000, 0x80000), - FLASH_ID("mac 25l4005a" , 0xd8, 0x001320C2, 0x010, 0x10000, 0x80000), - FLASH_ID("mac 25l8005" , 0xd8, 0x001420C2, 0x010, 0x10000, 0x100000), - FLASH_ID("mac 25l1605" , 0xd8, 0x001520C2, 0x100, 0x10000, 0x200000), - FLASH_ID("mac 25l1605a" , 0xd8, 0x001520C2, 0x010, 0x10000, 0x200000), - FLASH_ID("mac 25l3205" , 0xd8, 0x001620C2, 0x100, 0x10000, 0x400000), - FLASH_ID("mac 25l3205a" , 0xd8, 0x001620C2, 0x100, 0x10000, 0x400000), - FLASH_ID("mac 25l6405" , 0xd8, 0x001720C2, 0x100, 0x10000, 0x800000), - FLASH_ID("wbd w25q128" , 0xd8, 0x001840EF, 0x100, 0x10000, 0x1000000), -}; - -/* - * smi_wait_xfer_finish - Wait until TFF is set in status register - * @timeout: timeout in milliseconds - * - * Wait until TFF is set in status register - */ -static int smi_wait_xfer_finish(int timeout) -{ - ulong start = get_timer(0); - - while (get_timer(start) < timeout) { - if (readl(&smicntl->smi_sr) & TFF) - return 0; - - /* Try after 10 ms */ - udelay(10); - }; - - return -1; -} - -/* - * smi_read_id - Read flash id - * @info: flash_info structure pointer - * @banknum: bank number - * - * Read the flash id present at bank #banknum - */ -static unsigned int smi_read_id(flash_info_t *info, int banknum) -{ - unsigned int value; - - writel(readl(&smicntl->smi_cr1) | SW_MODE, &smicntl->smi_cr1); - writel(READ_ID, &smicntl->smi_tr); - writel((banknum << BANKSEL_SHIFT) | SEND | TX_LEN_1 | RX_LEN_3, - &smicntl->smi_cr2); - - if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) - return -EIO; - - value = (readl(&smicntl->smi_rr) & 0x00FFFFFF); - - writel(readl(&smicntl->smi_sr) & ~TFF, &smicntl->smi_sr); - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, &smicntl->smi_cr1); - - return value; -} - -/* - * flash_get_size - Detect the SMI flash by reading the ID. - * @base: Base address of the flash area bank #banknum - * @banknum: Bank number - * - * Detect the SMI flash by reading the ID. Initializes the flash_info structure - * with size, sector count etc. - */ -static ulong flash_get_size(ulong base, int banknum) -{ - flash_info_t *info = &flash_info[banknum]; - int value; - int i; - - value = smi_read_id(info, banknum); - - if (value < 0) { - printf("Flash id could not be read\n"); - return 0; - } - - /* Matches chip-id to entire list of 'serial-nor flash' ids */ - for (i = 0; i < ARRAY_SIZE(flash_devices); i++) { - if (flash_devices[i].device_id == value) { - info->size = flash_devices[i].size_in_bytes; - info->flash_id = value; - info->start[0] = base; - info->sector_count = - info->size/flash_devices[i].sectorsize; - - return info->size; - } - } - - return 0; -} - -/* - * smi_read_sr - Read status register of SMI - * @bank: bank number - * - * This routine will get the status register of the flash chip present at the - * given bank - */ -static int smi_read_sr(int bank) -{ - u32 ctrlreg1, val; - - /* store the CTRL REG1 state */ - ctrlreg1 = readl(&smicntl->smi_cr1); - - /* Program SMI in HW Mode */ - writel(readl(&smicntl->smi_cr1) & ~(SW_MODE | WB_MODE), - &smicntl->smi_cr1); - - /* Performing a RSR instruction in HW mode */ - writel((bank << BANKSEL_SHIFT) | RD_STATUS_REG, &smicntl->smi_cr2); - - if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) - return -1; - - val = readl(&smicntl->smi_sr); - - /* Restore the CTRL REG1 state */ - writel(ctrlreg1, &smicntl->smi_cr1); - - return val; -} - -/* - * smi_wait_till_ready - Wait till last operation is over. - * @bank: bank number shifted. - * @timeout: timeout in milliseconds. - * - * This routine checks for WIP(write in progress)bit in Status register(SMSR-b0) - * The routine checks for #timeout loops, each at interval of 1 milli-second. - * If successful the routine returns 0. - */ -static int smi_wait_till_ready(int bank, int timeout) -{ - int sr; - ulong start = get_timer(0); - - /* One chip guarantees max 5 msec wait here after page writes, - but potentially three seconds (!) after page erase. */ - while (get_timer(start) < timeout) { - sr = smi_read_sr(bank); - if ((sr >= 0) && (!(sr & WIP_BIT))) - return 0; - - /* Try again after 10 usec */ - udelay(10); - } while (timeout--); - - printf("SMI controller is still in wait, timeout=%d\n", timeout); - return -EIO; -} - -/* - * smi_write_enable - Enable the flash to do write operation - * @bank: bank number - * - * Set write enable latch with Write Enable command. - * Returns negative if error occurred. - */ -static int smi_write_enable(int bank) -{ - u32 ctrlreg1; - u32 start; - int timeout = WMODE_TOUT; - int sr; - - /* Store the CTRL REG1 state */ - ctrlreg1 = readl(&smicntl->smi_cr1); - - /* Program SMI in H/W Mode */ - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, &smicntl->smi_cr1); - - /* Give the Flash, Write Enable command */ - writel((bank << BANKSEL_SHIFT) | WE, &smicntl->smi_cr2); - - if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) - return -1; - - /* Restore the CTRL REG1 state */ - writel(ctrlreg1, &smicntl->smi_cr1); - - start = get_timer(0); - while (get_timer(start) < timeout) { - sr = smi_read_sr(bank); - if ((sr >= 0) && (sr & (1 << (bank + WM_SHIFT)))) - return 0; - - /* Try again after 10 usec */ - udelay(10); - }; - - return -1; -} - -/* - * smi_init - SMI initialization routine - * - * SMI initialization routine. Sets SMI control register1. - */ -void smi_init(void) -{ - /* Setting the fast mode values. SMI working at 166/4 = 41.5 MHz */ - writel(HOLD1 | FAST_MODE | BANK_EN | DSEL_TIME | PRESCAL4, - &smicntl->smi_cr1); -} - -/* - * smi_sector_erase - Erase flash sector - * @info: flash_info structure pointer - * @sector: sector number - * - * Set write enable latch with Write Enable command. - * Returns negative if error occurred. - */ -static int smi_sector_erase(flash_info_t *info, unsigned int sector) -{ - int bank; - unsigned int sect_add; - unsigned int instruction; - - switch (info->start[0]) { - case SMIBANK0_BASE: - bank = BANK0; - break; - case SMIBANK1_BASE: - bank = BANK1; - break; - case SMIBANK2_BASE: - bank = BANK2; - break; - case SMIBANK3_BASE: - bank = BANK3; - break; - default: - return -1; - } - - sect_add = sector * (info->size / info->sector_count); - instruction = ((sect_add >> 8) & 0x0000FF00) | SECTOR_ERASE; - - writel(readl(&smicntl->smi_sr) & ~(ERF1 | ERF2), &smicntl->smi_sr); - - /* Wait until finished previous write command. */ - if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) - return -EBUSY; - - /* Send write enable, before erase commands. */ - if (smi_write_enable(bank)) - return -EIO; - - /* Put SMI in SW mode */ - writel(readl(&smicntl->smi_cr1) | SW_MODE, &smicntl->smi_cr1); - - /* Send Sector Erase command in SW Mode */ - writel(instruction, &smicntl->smi_tr); - writel((bank << BANKSEL_SHIFT) | SEND | TX_LEN_4, - &smicntl->smi_cr2); - if (smi_wait_xfer_finish(XFER_FINISH_TOUT)) - return -EIO; - - if (smi_wait_till_ready(bank, CONFIG_SYS_FLASH_ERASE_TOUT)) - return -EBUSY; - - /* Put SMI in HW mode */ - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, - &smicntl->smi_cr1); - - return 0; -} - -/* - * smi_write - Write to SMI flash - * @src_addr: source buffer - * @dst_addr: destination buffer - * @length: length to write in bytes - * @bank: bank base address - * - * Write to SMI flash - */ -static int smi_write(unsigned int *src_addr, unsigned int *dst_addr, - unsigned int length, ulong bank_addr) -{ - u8 *src_addr8 = (u8 *)src_addr; - u8 *dst_addr8 = (u8 *)dst_addr; - int banknum; - int i; - - switch (bank_addr) { - case SMIBANK0_BASE: - banknum = BANK0; - break; - case SMIBANK1_BASE: - banknum = BANK1; - break; - case SMIBANK2_BASE: - banknum = BANK2; - break; - case SMIBANK3_BASE: - banknum = BANK3; - break; - default: - return -1; - } - - if (smi_wait_till_ready(banknum, CONFIG_SYS_FLASH_WRITE_TOUT)) - return -EBUSY; - - /* Set SMI in Hardware Mode */ - writel(readl(&smicntl->smi_cr1) & ~SW_MODE, &smicntl->smi_cr1); - - if (smi_write_enable(banknum)) - return -EIO; - - /* Perform the write command */ - for (i = 0; i < length; i += 4) { - if (((ulong) (dst_addr) % SFLASH_PAGE_SIZE) == 0) { - if (smi_wait_till_ready(banknum, - CONFIG_SYS_FLASH_WRITE_TOUT)) - return -EBUSY; - - if (smi_write_enable(banknum)) - return -EIO; - } - - if (length < 4) { - int k; - - /* - * Handle special case, where length < 4 (redundant env) - */ - for (k = 0; k < length; k++) - *dst_addr8++ = *src_addr8++; - } else { - /* Normal 32bit write */ - *dst_addr++ = *src_addr++; - } - - if ((readl(&smicntl->smi_sr) & (ERF1 | ERF2))) - return -EIO; - } - - if (smi_wait_till_ready(banknum, CONFIG_SYS_FLASH_WRITE_TOUT)) - return -EBUSY; - - writel(readl(&smicntl->smi_sr) & ~(WCF), &smicntl->smi_sr); - - return 0; -} - -/* - * write_buff - Write to SMI flash - * @info: flash info structure - * @src: source buffer - * @dest_addr: destination buffer - * @length: length to write in words - * - * Write to SMI flash - */ -int write_buff(flash_info_t *info, uchar *src, ulong dest_addr, ulong length) -{ - return smi_write((unsigned int *)src, (unsigned int *)dest_addr, - length, info->start[0]); -} - -/* - * flash_init - SMI flash initialization - * - * SMI flash initialization - */ -unsigned long flash_init(void) -{ - unsigned long size = 0; - int i, j; - - smi_init(); - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - flash_info[i].flash_id = FLASH_UNKNOWN; - size += flash_info[i].size = flash_get_size(bank_base[i], i); - } - - for (j = 0; j < CONFIG_SYS_MAX_FLASH_BANKS; j++) { - for (i = 1; i < flash_info[j].sector_count; i++) - flash_info[j].start[i] = - flash_info[j].start[i - 1] + - flash_info->size / flash_info->sector_count; - - } - - return size; -} - -/* - * flash_print_info - Print SMI flash information - * - * Print SMI flash information - */ -void flash_print_info(flash_info_t *info) -{ - int i; - if (info->flash_id == FLASH_UNKNOWN) { - puts("missing or unknown FLASH type\n"); - return; - } - - if (info->size >= 0x100000) - printf(" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - else - printf(" Size: %ld KB in %d Sectors\n", - info->size >> 10, info->sector_count); - - puts(" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { -#ifdef CONFIG_SYS_FLASH_EMPTY_INFO - int size; - int erased; - u32 *flash; - - /* - * Check if whole sector is erased - */ - size = (info->size) / (info->sector_count); - flash = (u32 *) info->start[i]; - size = size / sizeof(int); - - while ((size--) && (*flash++ == ~0)) - ; - - size++; - if (size) - erased = 0; - else - erased = 1; - - if ((i % 5) == 0) - printf("\n"); - - printf(" %08lX%s%s", - info->start[i], - erased ? " E" : " ", info->protect[i] ? "RO " : " "); -#else - if ((i % 5) == 0) - printf("\n "); - printf(" %08lX%s", - info->start[i], info->protect[i] ? " (RO) " : " "); -#endif - } - putc('\n'); - return; -} - -/* - * flash_erase - Erase SMI flash - * - * Erase SMI flash - */ -int flash_erase(flash_info_t *info, int s_first, int s_last) -{ - int rcode = 0; - int prot = 0; - flash_sect_t sect; - - if ((s_first < 0) || (s_first > s_last)) { - puts("- no sectors to erase\n"); - return 1; - } - - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) - prot++; - } - if (prot) { - printf("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - putc('\n'); - } - - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { - if (smi_sector_erase(info, sect)) - rcode = 1; - else - putc('.'); - } - } - puts(" done\n"); - return rcode; -} -#endif diff --git a/drivers/phy/allwinner/Kconfig b/drivers/phy/allwinner/Kconfig index dba3bae61c..6bfb79cbca 100644 --- a/drivers/phy/allwinner/Kconfig +++ b/drivers/phy/allwinner/Kconfig @@ -11,3 +11,11 @@ config PHY_SUN4I_USB This driver controls the entire USB PHY block, both the USB OTG parts, as well as the 2 regular USB 2 host PHYs. + +config PHY_SUN50I_USB3 + bool "Allwinner sun50i USB3 PHY driver" + depends on ARCH_SUNXI + select PHY + help + Enable this to support the USB3 transceiver that is part of + Allwinner sun50i SoCs. diff --git a/drivers/phy/allwinner/Makefile b/drivers/phy/allwinner/Makefile index e709fca643..f2b60ce1a6 100644 --- a/drivers/phy/allwinner/Makefile +++ b/drivers/phy/allwinner/Makefile @@ -4,3 +4,4 @@ # obj-$(CONFIG_PHY_SUN4I_USB) += phy-sun4i-usb.o +obj-$(CONFIG_PHY_SUN50I_USB3) += phy-sun50i-usb3.o diff --git a/drivers/phy/allwinner/phy-sun50i-usb3.c b/drivers/phy/allwinner/phy-sun50i-usb3.c new file mode 100644 index 0000000000..e5a3d2d92e --- /dev/null +++ b/drivers/phy/allwinner/phy-sun50i-usb3.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Allwinner sun50i(H6) USB 3.0 phy driver + * + * Copyright (C) 2020 Samuel Holland <samuel@sholland.org> + * + * Based on the Linux driver, which is: + * + * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io> + * + * Based on phy-sun9i-usb.c, which is: + * + * Copyright (C) 2014-2015 Chen-Yu Tsai <wens@csie.org> + * + * Based on code from Allwinner BSP, which is: + * + * Copyright (c) 2010-2015 Allwinner Technology Co., Ltd. + */ + +#include <asm/io.h> +#include <clk.h> +#include <dm.h> +#include <dm/device_compat.h> +#include <generic-phy.h> +#include <linux/bitops.h> +#include <reset.h> + +/* Interface Status and Control Registers */ +#define SUNXI_ISCR 0x00 +#define SUNXI_PIPE_CLOCK_CONTROL 0x14 +#define SUNXI_PHY_TUNE_LOW 0x18 +#define SUNXI_PHY_TUNE_HIGH 0x1c +#define SUNXI_PHY_EXTERNAL_CONTROL 0x20 + +/* USB2.0 Interface Status and Control Register */ +#define SUNXI_ISCR_FORCE_VBUS (3 << 12) + +/* PIPE Clock Control Register */ +#define SUNXI_PCC_PIPE_CLK_OPEN (1 << 6) + +/* PHY External Control Register */ +#define SUNXI_PEC_EXTERN_VBUS (3 << 1) +#define SUNXI_PEC_SSC_EN (1 << 24) +#define SUNXI_PEC_REF_SSP_EN (1 << 26) + +/* PHY Tune High Register */ +#define SUNXI_TX_DEEMPH_3P5DB(n) ((n) << 19) +#define SUNXI_TX_DEEMPH_3P5DB_MASK GENMASK(24, 19) +#define SUNXI_TX_DEEMPH_6DB(n) ((n) << 13) +#define SUNXI_TX_DEEMPH_6GB_MASK GENMASK(18, 13) +#define SUNXI_TX_SWING_FULL(n) ((n) << 6) +#define SUNXI_TX_SWING_FULL_MASK GENMASK(12, 6) +#define SUNXI_LOS_BIAS(n) ((n) << 3) +#define SUNXI_LOS_BIAS_MASK GENMASK(5, 3) +#define SUNXI_TXVBOOSTLVL(n) ((n) << 0) +#define SUNXI_TXVBOOSTLVL_MASK GENMASK(2, 0) + +struct sun50i_usb3_phy_priv { + void __iomem *regs; + struct reset_ctl reset; + struct clk clk; +}; + +static void sun50i_usb3_phy_open(struct sun50i_usb3_phy_priv *phy) +{ + u32 val; + + val = readl(phy->regs + SUNXI_PHY_EXTERNAL_CONTROL); + val |= SUNXI_PEC_EXTERN_VBUS; + val |= SUNXI_PEC_SSC_EN | SUNXI_PEC_REF_SSP_EN; + writel(val, phy->regs + SUNXI_PHY_EXTERNAL_CONTROL); + + val = readl(phy->regs + SUNXI_PIPE_CLOCK_CONTROL); + val |= SUNXI_PCC_PIPE_CLK_OPEN; + writel(val, phy->regs + SUNXI_PIPE_CLOCK_CONTROL); + + val = readl(phy->regs + SUNXI_ISCR); + val |= SUNXI_ISCR_FORCE_VBUS; + writel(val, phy->regs + SUNXI_ISCR); + + /* + * All the magic numbers written to the PHY_TUNE_{LOW_HIGH} + * registers are directly taken from the BSP USB3 driver from + * Allwiner. + */ + writel(0x0047fc87, phy->regs + SUNXI_PHY_TUNE_LOW); + + val = readl(phy->regs + SUNXI_PHY_TUNE_HIGH); + val &= ~(SUNXI_TXVBOOSTLVL_MASK | SUNXI_LOS_BIAS_MASK | + SUNXI_TX_SWING_FULL_MASK | SUNXI_TX_DEEMPH_6GB_MASK | + SUNXI_TX_DEEMPH_3P5DB_MASK); + val |= SUNXI_TXVBOOSTLVL(0x7); + val |= SUNXI_LOS_BIAS(0x7); + val |= SUNXI_TX_SWING_FULL(0x55); + val |= SUNXI_TX_DEEMPH_6DB(0x20); + val |= SUNXI_TX_DEEMPH_3P5DB(0x15); + writel(val, phy->regs + SUNXI_PHY_TUNE_HIGH); +} + +static int sun50i_usb3_phy_init(struct phy *phy) +{ + struct sun50i_usb3_phy_priv *priv = dev_get_priv(phy->dev); + int ret; + + ret = clk_prepare_enable(&priv->clk); + if (ret) + return ret; + + ret = reset_deassert(&priv->reset); + if (ret) { + clk_disable_unprepare(&priv->clk); + return ret; + } + + sun50i_usb3_phy_open(priv); + + return 0; +} + +static int sun50i_usb3_phy_exit(struct phy *phy) +{ + struct sun50i_usb3_phy_priv *priv = dev_get_priv(phy->dev); + + reset_assert(&priv->reset); + clk_disable_unprepare(&priv->clk); + + return 0; +} + +static const struct phy_ops sun50i_usb3_phy_ops = { + .init = sun50i_usb3_phy_init, + .exit = sun50i_usb3_phy_exit, +}; + +static int sun50i_usb3_phy_probe(struct udevice *dev) +{ + struct sun50i_usb3_phy_priv *priv = dev_get_priv(dev); + int ret; + + ret = clk_get_by_index(dev, 0, &priv->clk); + if (ret) { + dev_err(dev, "failed to get phy clock\n"); + return ret; + } + + ret = reset_get_by_index(dev, 0, &priv->reset); + if (ret) { + dev_err(dev, "failed to get reset control\n"); + return ret; + } + + priv->regs = (void __iomem *)dev_read_addr(dev); + if (IS_ERR(priv->regs)) + return PTR_ERR(priv->regs); + + return 0; +} + +static const struct udevice_id sun50i_usb3_phy_ids[] = { + { .compatible = "allwinner,sun50i-h6-usb3-phy" }, + { }, +}; + +U_BOOT_DRIVER(sun50i_usb3_phy) = { + .name = "sun50i-usb3-phy", + .id = UCLASS_PHY, + .of_match = sun50i_usb3_phy_ids, + .ops = &sun50i_usb3_phy_ops, + .probe = sun50i_usb3_phy_probe, + .priv_auto = sizeof(struct sun50i_usb3_phy_priv), +}; diff --git a/drivers/phy/marvell/comphy_cp110.c b/drivers/phy/marvell/comphy_cp110.c index 418318d12f..4fe2dfcdd1 100644 --- a/drivers/phy/marvell/comphy_cp110.c +++ b/drivers/phy/marvell/comphy_cp110.c @@ -36,6 +36,10 @@ DECLARE_GLOBAL_DATA_PTR; (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) | \ ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds)) +/* Invert polarity are bits 1-0 of the mode */ +#define COMPHY_FW_SATA_FORMAT(mode, invert) \ + ((invert) | COMPHY_FW_MODE_FORMAT(mode)) + #define COMPHY_SATA_MODE 0x1 #define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */ #define COMPHY_HS_SGMII_MODE 0x3 /* SGMII 2.5G */ @@ -607,7 +611,8 @@ int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, break; case COMPHY_TYPE_SATA0: case COMPHY_TYPE_SATA1: - mode = COMPHY_FW_MODE_FORMAT(COMPHY_SATA_MODE); + mode = COMPHY_FW_SATA_FORMAT(COMPHY_SATA_MODE, + serdes_map[lane].invert); ret = comphy_sata_power_up(lane, hpipe_base_addr, comphy_base_addr, ptr_chip_cfg->cp_index, diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 2a47f40bba..43564c9fba 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -80,6 +80,9 @@ static const char *const usbphy_modes[] = { [USBPHY_INTERFACE_MODE_UNKNOWN] = "", [USBPHY_INTERFACE_MODE_UTMI] = "utmi", [USBPHY_INTERFACE_MODE_UTMIW] = "utmi_wide", + [USBPHY_INTERFACE_MODE_ULPI] = "ulpi", + [USBPHY_INTERFACE_MODE_SERIAL] = "serial", + [USBPHY_INTERFACE_MODE_HSIC] = "hsic", }; enum usb_phy_interface usb_get_phy_mode(ofnode node) diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index c3e4170513..1bd6147c76 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -23,6 +23,7 @@ #include <asm/mach-types.h> #include <power/regulator.h> #include <linux/usb/otg.h> +#include <linux/usb/phy.h> #include "ehci.h" @@ -435,6 +436,7 @@ struct ehci_mx6_priv_data { struct clk clk; struct phy phy; enum usb_init_type init_type; + enum usb_phy_interface phy_type; #if !defined(CONFIG_PHY) int portnr; void __iomem *phy_addr; @@ -443,6 +445,24 @@ struct ehci_mx6_priv_data { #endif }; +static u32 mx6_portsc(enum usb_phy_interface phy_type) +{ + switch (phy_type) { + case USBPHY_INTERFACE_MODE_UTMI: + return PORT_PTS_UTMI; + case USBPHY_INTERFACE_MODE_UTMIW: + return PORT_PTS_UTMI | PORT_PTS_PTW; + case USBPHY_INTERFACE_MODE_ULPI: + return PORT_PTS_ULPI; + case USBPHY_INTERFACE_MODE_SERIAL: + return PORT_PTS_SERIAL; + case USBPHY_INTERFACE_MODE_HSIC: + return PORT_PTS_HSIC; + default: + return CONFIG_MXC_USB_PORTSC; + } +} + static int mx6_init_after_reset(struct ehci_ctrl *dev) { struct ehci_mx6_priv_data *priv = dev->priv; @@ -479,7 +499,7 @@ static int mx6_init_after_reset(struct ehci_ctrl *dev) return 0; setbits_le32(&ehci->usbmode, CM_HOST); - writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); + writel(mx6_portsc(priv->phy_type), &ehci->portsc); setbits_le32(&ehci->portsc, USB_EN); mdelay(10); @@ -641,6 +661,7 @@ static int ehci_usb_probe(struct udevice *dev) priv->ehci = ehci; priv->init_type = type; + priv->phy_type = usb_get_phy_mode(dev_ofnode(dev)); #if CONFIG_IS_ENABLED(CLK) ret = clk_get_by_index(dev, 0, &priv->clk); @@ -690,7 +711,7 @@ static int ehci_usb_probe(struct udevice *dev) if (priv->init_type == USB_INIT_HOST) { setbits_le32(&ehci->usbmode, CM_HOST); - writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); + writel(mx6_portsc(priv->phy_type), &ehci->portsc); setbits_le32(&ehci->portsc, USB_EN); } diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 3e0ae80cec..bec0d98081 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -7,10 +7,12 @@ * Author: Ramneek Mehresh<ramneek.mehresh@freescale.com> */ +#include <clk.h> #include <common.h> #include <dm.h> #include <generic-phy.h> #include <log.h> +#include <reset.h> #include <usb.h> #include <dwc3-uboot.h> #include <linux/delay.h> @@ -21,7 +23,9 @@ #include <linux/usb/otg.h> struct xhci_dwc3_plat { + struct clk_bulk clks; struct phy_bulk phys; + struct reset_ctl_bulk resets; }; void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) @@ -70,7 +74,8 @@ int dwc3_core_init(struct dwc3 *dwc3_reg) revision = readl(&dwc3_reg->g_snpsid); /* This should read as U3 followed by revision number */ - if ((revision & DWC3_GSNPSID_MASK) != 0x55330000) { + if ((revision & DWC3_GSNPSID_MASK) != 0x55330000 && + (revision & DWC3_GSNPSID_MASK) != 0x33310000) { puts("this is not a DesignWare USB3 DRD Core\n"); return -1; } @@ -111,6 +116,46 @@ void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val) } #if CONFIG_IS_ENABLED(DM_USB) +static int xhci_dwc3_reset_init(struct udevice *dev, + struct xhci_dwc3_plat *plat) +{ + int ret; + + ret = reset_get_bulk(dev, &plat->resets); + if (ret == -ENOTSUPP || ret == -ENOENT) + return 0; + else if (ret) + return ret; + + ret = reset_deassert_bulk(&plat->resets); + if (ret) { + reset_release_bulk(&plat->resets); + return ret; + } + + return 0; +} + +static int xhci_dwc3_clk_init(struct udevice *dev, + struct xhci_dwc3_plat *plat) +{ + int ret; + + ret = clk_get_bulk(dev, &plat->clks); + if (ret == -ENOSYS || ret == -ENOENT) + return 0; + if (ret) + return ret; + + ret = clk_enable_bulk(&plat->clks); + if (ret) { + clk_release_bulk(&plat->clks); + return ret; + } + + return 0; +} + static int xhci_dwc3_probe(struct udevice *dev) { struct xhci_hcor *hcor; @@ -122,6 +167,14 @@ static int xhci_dwc3_probe(struct udevice *dev) u32 reg; int ret; + ret = xhci_dwc3_reset_init(dev, plat); + if (ret) + return ret; + + ret = xhci_dwc3_clk_init(dev, plat); + if (ret) + return ret; + hccr = (struct xhci_hccr *)((uintptr_t)dev_remap_addr(dev)); hcor = (struct xhci_hcor *)((uintptr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase))); @@ -171,6 +224,10 @@ static int xhci_dwc3_remove(struct udevice *dev) dwc3_shutdown_phy(dev, &plat->phys); + clk_release_bulk(&plat->clks); + + reset_release_bulk(&plat->resets); + return xhci_deregister(dev); } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 1c11c2e7e0..0d9da62bab 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -180,8 +180,6 @@ void xhci_cleanup(struct xhci_ctrl *ctrl) xhci_free_virt_devices(ctrl); free(ctrl->erst.entries); free(ctrl->dcbaa); - if (reset_valid(&ctrl->reset)) - reset_free(&ctrl->reset); memset(ctrl, '\0', sizeof(struct xhci_ctrl)); } diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index aaa243f291..630bc20be1 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -7,12 +7,18 @@ #include <common.h> #include <dm.h> +#include <dm/device_compat.h> #include <init.h> #include <log.h> #include <pci.h> +#include <reset.h> #include <usb.h> #include <usb/xhci.h> +struct xhci_pci_plat { + struct reset_ctl reset; +}; + static int xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr, struct xhci_hcor **ret_hcor) { @@ -45,15 +51,53 @@ static int xhci_pci_init(struct udevice *dev, struct xhci_hccr **ret_hccr, static int xhci_pci_probe(struct udevice *dev) { + struct xhci_pci_plat *plat = dev_get_plat(dev); struct xhci_hccr *hccr; struct xhci_hcor *hcor; int ret; + ret = reset_get_by_index(dev, 0, &plat->reset); + if (ret && ret != -ENOENT && ret != -ENOTSUPP) { + dev_err(dev, "failed to get reset\n"); + return ret; + } + + if (reset_valid(&plat->reset)) { + ret = reset_assert(&plat->reset); + if (ret) + goto err_reset; + + ret = reset_deassert(&plat->reset); + if (ret) + goto err_reset; + } + ret = xhci_pci_init(dev, &hccr, &hcor); if (ret) - return ret; + goto err_reset; + + ret = xhci_register(dev, hccr, hcor); + if (ret) + goto err_reset; + + return 0; + +err_reset: + if (reset_valid(&plat->reset)) + reset_free(&plat->reset); + + return ret; +} + +static int xhci_pci_remove(struct udevice *dev) +{ + struct xhci_pci_plat *plat = dev_get_plat(dev); - return xhci_register(dev, hccr, hcor); + xhci_deregister(dev); + if (reset_valid(&plat->reset)) + reset_free(&plat->reset); + + return 0; } static const struct udevice_id xhci_pci_ids[] = { @@ -65,10 +109,10 @@ U_BOOT_DRIVER(xhci_pci) = { .name = "xhci_pci", .id = UCLASS_USB, .probe = xhci_pci_probe, - .remove = xhci_deregister, + .remove = xhci_pci_remove, .of_match = xhci_pci_ids, .ops = &xhci_usb_ops, - .plat_auto = sizeof(struct usb_plat), + .plat_auto = sizeof(struct xhci_pci_plat), .priv_auto = sizeof(struct xhci_ctrl), .flags = DM_FLAG_OS_PREPARE | DM_FLAG_ALLOC_PRIV_DMA, }; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index d27ac01c83..452dacc0af 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -188,37 +188,6 @@ static int xhci_start(struct xhci_hcor *hcor) return ret; } -#if CONFIG_IS_ENABLED(DM_USB) -/** - * Resets XHCI Hardware - * - * @param ctrl pointer to host controller - * @return 0 if OK, or a negative error code. - */ -static int xhci_reset_hw(struct xhci_ctrl *ctrl) -{ - int ret; - - ret = reset_get_by_index(ctrl->dev, 0, &ctrl->reset); - if (ret && ret != -ENOENT && ret != -ENOTSUPP) { - dev_err(ctrl->dev, "failed to get reset\n"); - return ret; - } - - if (reset_valid(&ctrl->reset)) { - ret = reset_assert(&ctrl->reset); - if (ret) - return ret; - - ret = reset_deassert(&ctrl->reset); - if (ret) - return ret; - } - - return 0; -} -#endif - /** * Resets the XHCI Controller * @@ -1534,10 +1503,6 @@ int xhci_register(struct udevice *dev, struct xhci_hccr *hccr, ctrl->dev = dev; - ret = xhci_reset_hw(ctrl); - if (ret) - goto err; - /* * XHCI needs to issue a Address device command to setup * proper device context structures, before it can interact diff --git a/drivers/watchdog/designware_wdt.c b/drivers/watchdog/designware_wdt.c index afed81e6c6..cfec29bd15 100644 --- a/drivers/watchdog/designware_wdt.c +++ b/drivers/watchdog/designware_wdt.c @@ -22,7 +22,7 @@ struct designware_wdt_priv { void __iomem *base; unsigned int clk_khz; - struct reset_ctl_bulk *resets; + struct reset_ctl_bulk resets; }; /* @@ -99,11 +99,11 @@ static int designware_wdt_stop(struct udevice *dev) if (CONFIG_IS_ENABLED(DM_RESET)) { int ret; - ret = reset_assert_bulk(priv->resets); + ret = reset_assert_bulk(&priv->resets); if (ret) return ret; - ret = reset_deassert_bulk(priv->resets); + ret = reset_deassert_bulk(&priv->resets); if (ret) return ret; } @@ -156,11 +156,11 @@ static int designware_wdt_probe(struct udevice *dev) #endif if (CONFIG_IS_ENABLED(DM_RESET)) { - ret = reset_get_bulk(dev, priv->resets); + ret = reset_get_bulk(dev, &priv->resets); if (ret) goto err; - ret = reset_deassert_bulk(priv->resets); + ret = reset_deassert_bulk(&priv->resets); if (ret) goto err; } |