diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/funitcfg.c')
| -rw-r--r-- | src/soc/nvidia/tegra132/funitcfg.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/src/soc/nvidia/tegra132/funitcfg.c b/src/soc/nvidia/tegra132/funitcfg.c deleted file mode 100644 index 6dfad0d95e..0000000000 --- a/src/soc/nvidia/tegra132/funitcfg.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 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. - */ - -#include <arch/io.h> -#include <soc/addressmap.h> -#include <soc/clock.h> -#include <soc/funitcfg.h> -#include <soc/nvidia/tegra/usb.h> -#include <soc/padconfig.h> -#include <string.h> - -struct clk_dev_control { - uint32_t *clk_enb_set; - uint32_t *rst_dev_clr; -}; - -struct funit_cfg_data { - const char *name; - void *ctlr_base; - uint32_t *clk_src_reg; - const struct clk_dev_control * const dev_control; - uint32_t clk_enb_val; -}; - -enum { - CLK_L_SET = 0, - CLK_H_SET = 1, - CLK_U_SET = 2, - CLK_V_SET = 3, - CLK_W_SET = 4, - CLK_X_SET = 5, -}; - -#define CLK_SET_REGS(x) \ - { \ - CLK_RST_REG(clk_enb_##x##_set), \ - CLK_RST_REG(rst_dev_##x##_clr), \ - } - -static const struct clk_dev_control clk_data_arr[] = { - [CLK_L_SET] = CLK_SET_REGS(l), - [CLK_H_SET] = CLK_SET_REGS(h), - [CLK_U_SET] = CLK_SET_REGS(u), - [CLK_V_SET] = CLK_SET_REGS(v), - [CLK_W_SET] = CLK_SET_REGS(w), - [CLK_X_SET] = CLK_SET_REGS(x), -}; - -#define FUNIT_DATA(funit_, loname_, clk_set_) \ - [FUNIT_INDEX(funit_)] = { \ - .name = STRINGIFY(loname_), \ - .ctlr_base = (void *)(uintptr_t)TEGRA_##funit_##_BASE, \ - .clk_src_reg = CLK_RST_REG(clk_src_##loname_), \ - .dev_control = &clk_data_arr[CLK_##clk_set_##_SET], \ - .clk_enb_val = CLK_##clk_set_##_##funit_, \ - } - -#define FUNIT_DATA_USB(funit_, clk_set_) \ - [FUNIT_INDEX(funit_)] = { \ - .name = STRINGIFY(funit_), \ - .ctlr_base = (void *)(uintptr_t)TEGRA_##funit_##_BASE, \ - .dev_control = &clk_data_arr[CLK_##clk_set_##_SET], \ - .clk_enb_val = CLK_##clk_set_##_##funit_, \ - } - -static const struct funit_cfg_data funit_data[] = { - FUNIT_DATA(SBC1, sbc1, H), - FUNIT_DATA(SBC4, sbc4, U), - FUNIT_DATA(I2C1, i2c1, L), - FUNIT_DATA(I2C2, i2c2, H), - FUNIT_DATA(I2C3, i2c3, U), - FUNIT_DATA(I2C5, i2c5, H), - FUNIT_DATA(I2C6, i2c6, X), - FUNIT_DATA(SDMMC3, sdmmc3, U), - FUNIT_DATA(SDMMC4, sdmmc4, L), - FUNIT_DATA_USB(USBD, L), - FUNIT_DATA_USB(USB2, H), - FUNIT_DATA_USB(USB3, H), - FUNIT_DATA(I2S1, i2s1, L), -}; -_Static_assert(ARRAY_SIZE(funit_data) == FUNIT_INDEX_MAX, - "funit_cfg_data array not filled out!"); - -static inline uint32_t get_clk_src_freq(uint32_t clk_src_freq_id) -{ - uint32_t freq = 0; - - switch (clk_src_freq_id) { - case CLK_M: - freq = TEGRA_CLK_M_KHZ; - break; - case PLLP: - freq = TEGRA_PLLP_KHZ; - break; - default: - printk(BIOS_SPEW, "%s ERROR: Unknown clk_src %d\n", - __func__, clk_src_freq_id); - } - - return freq; -} - -static void configure_clock(const struct funit_cfg * const entry, - const struct funit_cfg_data * const funit) -{ - const char *funit_i2c = "i2c"; - uint32_t clk_div; - uint32_t clk_div_mask; - uint32_t clk_src_freq; - - clk_src_freq = get_clk_src_freq(entry->clk_src_freq_id); - - if (strncmp(funit->name, funit_i2c, strlen(funit_i2c)) == 0) { - /* I2C funit */ - clk_div = get_i2c_clk_div(clk_src_freq, - entry->clk_dev_freq_khz); - clk_div_mask = CLK_DIV_MASK_I2C; - } else { - /* Non I2C */ - clk_div = get_clk_div(clk_src_freq, entry->clk_dev_freq_khz); - clk_div_mask = CLK_DIV_MASK; - } - - _clock_set_div(funit->clk_src_reg, funit->name, clk_div, - clk_div_mask, entry->clk_src_id); -} - -static inline int is_usb(uint32_t idx) -{ - return (idx == FUNIT_USBD || idx == FUNIT_USB2 || idx == FUNIT_USB3); -} - -void soc_configure_funits(const struct funit_cfg * const entries, size_t num) -{ - size_t i; - - for (i = 0; i < num; i++) { - const struct funit_cfg * const entry = &entries[i]; - const struct funit_cfg_data *funit; - const struct clk_dev_control *dev_control; - int funit_usb = is_usb(entry->funit_index); - - if (entry->funit_index >= FUNIT_INDEX_MAX) { - printk(BIOS_ERR, "Error: Index out of bounds\n"); - continue; - } - - funit = &funit_data[entry->funit_index]; - dev_control = funit->dev_control; - - /* USB controllers have a fixed clock source. */ - if (!funit_usb) - configure_clock(entry, funit); - - clock_grp_enable_clear_reset(funit->clk_enb_val, - dev_control->clk_enb_set, - dev_control->rst_dev_clr); - - if (funit_usb) - usb_setup_utmip(funit->ctlr_base); - - soc_configure_pads(entry->pad_cfg,entry->pad_cfg_size); - } -} - -void __attribute__((weak)) usb_setup_utmip(void *usb_base) -{ - /* default empty implementation required if usb.c is not included */ - printk(BIOS_ERR, "USB setup is not supported in current stage\n"); -} |