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author | Tom Rini <trini@konsulko.com> | 2016-09-27 12:47:25 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2016-09-27 12:47:25 -0400 |
commit | 40e1236afeeacdadfa3865f70fc7e3b8016acbe2 (patch) | |
tree | a915b83d54beceb8a5c4fa424c0bcb6df56238d8 /arch/arm/mach-tegra | |
parent | 6d5565608f385b89f528ecf5680410cdc6cf63e9 (diff) | |
parent | 8e5d804f890b32959cc9d9f9349ccd2ff4a744a0 (diff) | |
download | u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.zip u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.tar.gz u-boot-imx-40e1236afeeacdadfa3865f70fc7e3b8016acbe2.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-tegra
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r-- | arch/arm/mach-tegra/Kconfig | 15 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board186.c | 13 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board2.c | 57 | ||||
-rw-r--r-- | arch/arm/mach-tegra/clock.c | 90 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra114/clock.c | 87 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra124/clock.c | 87 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra186/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra186/cache.c | 23 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra20/clock.c | 97 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra210/clock.c | 87 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra30/clock.c | 87 |
11 files changed, 488 insertions, 156 deletions
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 76909ee..316feba 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -22,20 +22,30 @@ config TEGRA_IVC config TEGRA_COMMON bool "Tegra common options" + select CLK select DM select DM_ETH select DM_GPIO select DM_I2C select DM_KEYBOARD + select DM_MMC select DM_PCI select DM_PCI_COMPAT select DM_PWM + select DM_RESET select DM_SERIAL select DM_SPI select DM_SPI_FLASH + select MISC select OF_CONTROL select VIDCONSOLE_AS_LCD if DM_VIDEO +config TEGRA_NO_BPMP + bool "Tegra common options for SoCs without BPMP" + select TEGRA_CAR + select TEGRA_CAR_CLOCK + select TEGRA_CAR_RESET + config TEGRA_ARMV7_COMMON bool "Tegra 32-bit common options" select CPU_V7 @@ -43,6 +53,7 @@ config TEGRA_ARMV7_COMMON select SUPPORT_SPL select TEGRA_COMMON select TEGRA_GPIO + select TEGRA_NO_BPMP config TEGRA_ARMV8_COMMON bool "Tegra 64-bit common options" @@ -73,13 +84,11 @@ config TEGRA210 bool "Tegra210 family" select TEGRA_GPIO select TEGRA_ARMV8_COMMON + select TEGRA_NO_BPMP config TEGRA186 bool "Tegra186 family" - select CLK select DM_MAILBOX - select DM_RESET - select MISC select TEGRA186_BPMP select TEGRA186_CLOCK select TEGRA186_GPIO diff --git a/arch/arm/mach-tegra/board186.c b/arch/arm/mach-tegra/board186.c index 1b9799f..a071758 100644 --- a/arch/arm/mach-tegra/board186.c +++ b/arch/arm/mach-tegra/board186.c @@ -6,8 +6,6 @@ #include <common.h> #include <asm/arch/tegra.h> -#include <asm/arch-tegra/mmc.h> -#include <asm/arch-tegra/tegra_mmc.h> DECLARE_GLOBAL_DATA_PTR; @@ -30,14 +28,3 @@ int board_late_init(void) { return 0; } - -void pad_init_mmc(struct mmc_host *host) -{ -} - -int board_mmc_init(bd_t *bd) -{ - tegra_mmc_init(); - - return 0; -} diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c index 9158ace..cb9503f 100644 --- a/arch/arm/mach-tegra/board2.c +++ b/arch/arm/mach-tegra/board2.c @@ -32,10 +32,6 @@ #ifdef CONFIG_USB_EHCI_TEGRA #include <usb.h> #endif -#ifdef CONFIG_TEGRA_MMC -#include <asm/arch-tegra/tegra_mmc.h> -#include <asm/arch-tegra/mmc.h> -#endif #include <asm/arch-tegra/xusb-padctl.h> #include <power/as3722.h> #include <i2c.h> @@ -54,6 +50,7 @@ U_BOOT_DEVICE(tegra_gpios) = { __weak void pinmux_init(void) {} __weak void pin_mux_usb(void) {} __weak void pin_mux_spi(void) {} +__weak void pin_mux_mmc(void) {} __weak void gpio_early_init_uart(void) {} __weak void pin_mux_display(void) {} __weak void start_cpu_fan(void) {} @@ -128,6 +125,10 @@ int board_init(void) pin_mux_spi(); #endif +#ifdef CONFIG_TEGRA_MMC + pin_mux_mmc(); +#endif + /* Init is handled automatically in the driver-model case */ #if defined(CONFIG_DM_VIDEO) pin_mux_display(); @@ -230,54 +231,6 @@ int board_late_init(void) return 0; } -#if defined(CONFIG_TEGRA_MMC) -__weak void pin_mux_mmc(void) -{ -} - -/* this is a weak define that we are overriding */ -int board_mmc_init(bd_t *bd) -{ - debug("%s called\n", __func__); - - /* Enable muxes, etc. for SDMMC controllers */ - pin_mux_mmc(); - - debug("%s: init MMC\n", __func__); - tegra_mmc_init(); - - return 0; -} - -void pad_init_mmc(struct mmc_host *host) -{ -#if defined(CONFIG_TEGRA30) - enum periph_id id = host->mmc_id; - u32 val; - - debug("%s: sdmmc address = %08x, id = %d\n", __func__, - (unsigned int)host->reg, id); - - /* Set the pad drive strength for SDMMC1 or 3 only */ - if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) { - debug("%s: settings are only valid for SDMMC1/SDMMC3!\n", - __func__); - return; - } - - val = readl(&host->reg->sdmemcmppadctl); - val &= 0xFFFFFFF0; - val |= MEMCOMP_PADCTRL_VREF; - writel(val, &host->reg->sdmemcmppadctl); - - val = readl(&host->reg->autocalcfg); - val &= 0xFFFF0000; - val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED; - writel(val, &host->reg->autocalcfg); -#endif /* T30 */ -} -#endif /* MMC */ - /* * In some SW environments, a memory carve-out exists to house a secure * monitor, a trusted OS, and/or various statically allocated media buffers. diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 36eabc8..3bb7233 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -206,6 +206,29 @@ int clock_ll_set_source_bits(enum periph_id periph_id, int mux_bits, return 0; } +static int clock_ll_get_source_bits(enum periph_id periph_id, int mux_bits) +{ + u32 *reg = get_periph_source_reg(periph_id); + u32 val = readl(reg); + + switch (mux_bits) { + case MASK_BITS_31_30: + val >>= OUT_CLK_SOURCE_31_30_SHIFT; + val &= OUT_CLK_SOURCE_31_30_MASK; + return val; + case MASK_BITS_31_29: + val >>= OUT_CLK_SOURCE_31_29_SHIFT; + val &= OUT_CLK_SOURCE_31_29_MASK; + return val; + case MASK_BITS_31_28: + val >>= OUT_CLK_SOURCE_31_28_SHIFT; + val &= OUT_CLK_SOURCE_31_28_MASK; + return val; + default: + return -1; + } +} + void clock_ll_set_source(enum periph_id periph_id, unsigned source) { clock_ll_set_source_bits(periph_id, MASK_BITS_31_30, source); @@ -288,9 +311,43 @@ unsigned long clock_get_periph_rate(enum periph_id periph_id, enum clock_id parent) { u32 *reg = get_periph_source_reg(periph_id); + unsigned parent_rate = pll_rate[parent]; + int div = (readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT; + + switch (periph_id) { + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + case PERIPH_ID_UART3: + case PERIPH_ID_UART4: + case PERIPH_ID_UART5: +#ifdef CONFIG_TEGRA20 + /* There's no divider for these clocks in this SoC. */ + return parent_rate; +#else + /* + * This undoes the +2 in get_rate_from_divider() which I + * believe is incorrect. Ideally we would fix + * get_rate_from_divider(), but... Removing the +2 from + * get_rate_from_divider() would probably require remove the -2 + * from the tail of clk_get_divider() since I believe that's + * only there to invert get_rate_from_divider()'s +2. Observe + * how find_best_divider() uses those two functions together. + * However, doing so breaks other stuff, such as Seaboard's + * display, likely due to clock_set_pllout()'s call to + * clk_get_divider(). Attempting to fix that by making + * clock_set_pllout() subtract 2 from clk_get_divider()'s + * return value doesn't help. In summary this clock driver is + * quite broken but I'm afraid I have no idea how to fix it + * without completely replacing it. + */ + div -= 2; + break; +#endif + default: + break; + } - return get_rate_from_divider(pll_rate[parent], - (readl(reg) & OUT_CLK_DIVISOR_MASK) >> OUT_CLK_DIVISOR_SHIFT); + return get_rate_from_divider(parent_rate, div); } /** @@ -363,6 +420,20 @@ static int adjust_periph_pll(enum periph_id periph_id, int source, return 0; } +enum clock_id clock_get_periph_parent(enum periph_id periph_id) +{ + int err, mux_bits, divider_bits, type; + int source; + + err = get_periph_clock_info(periph_id, &mux_bits, ÷r_bits, &type); + if (err) + return CLOCK_ID_NONE; + + source = clock_ll_get_source_bits(periph_id, mux_bits); + + return get_periph_clock_id(periph_id, source); +} + unsigned clock_adjust_periph_pll_div(enum periph_id periph_id, enum clock_id parent, unsigned rate, int *extra_div) { @@ -612,6 +683,8 @@ int clock_verify(void) void clock_init(void) { + int i; + pll_rate[CLOCK_ID_CGENERAL] = clock_get_rate(CLOCK_ID_CGENERAL); pll_rate[CLOCK_ID_MEMORY] = clock_get_rate(CLOCK_ID_MEMORY); pll_rate[CLOCK_ID_PERIPH] = clock_get_rate(CLOCK_ID_PERIPH); @@ -630,6 +703,19 @@ void clock_init(void) debug("PLLU = %d\n", pll_rate[CLOCK_ID_USB]); debug("PLLD = %d\n", pll_rate[CLOCK_ID_DISPLAY]); debug("PLLX = %d\n", pll_rate[CLOCK_ID_XCPU]); + + for (i = 0; periph_clk_init_table[i].periph_id != -1; i++) { + enum periph_id periph_id; + enum clock_id parent; + int source, mux_bits, divider_bits; + + periph_id = periph_clk_init_table[i].periph_id; + parent = periph_clk_init_table[i].parent_clock_id; + + source = get_periph_clock_source(periph_id, parent, &mux_bits, + ÷r_bits); + clock_ll_set_source_bits(periph_id, mux_bits, source); + } } static void set_avp_clock_source(u32 src) diff --git a/arch/arm/mach-tegra/tegra114/clock.c b/arch/arm/mach-tegra/tegra114/clock.c index e6ef873..177ab6b 100644 --- a/arch/arm/mach-tegra/tegra114/clock.c +++ b/arch/arm/mach-tegra/tegra114/clock.c @@ -496,6 +496,51 @@ u32 *get_periph_source_reg(enum periph_id periph_id) return &clkrst->crc_clk_src[internal_id]; } +int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, + int *divider_bits, int *type) +{ + enum periphc_internal_id internal_id; + + if (!clock_periph_id_isvalid(periph_id)) + return -1; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return -1; + + *type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(*type)) + return -1; + + *mux_bits = clock_source[*type][CLOCK_MAX_MUX]; + + if (*type == CLOCK_TYPE_PCMT16) + *divider_bits = 16; + else + *divider_bits = 8; + + return 0; +} + +enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) +{ + enum periphc_internal_id internal_id; + int type; + + if (!clock_periph_id_isvalid(periph_id)) + return CLOCK_ID_NONE; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return CLOCK_ID_NONE; + + type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(type)) + return CLOCK_ID_NONE; + + return clock_source[type][source]; +} + /** * Given a peripheral ID and the required source clock, this returns which * value should be programmed into the source mux for that peripheral. @@ -512,23 +557,10 @@ int get_periph_clock_source(enum periph_id periph_id, enum clock_id parent, int *mux_bits, int *divider_bits) { enum clock_type_id type; - enum periphc_internal_id internal_id; - int mux; - - assert(clock_periph_id_isvalid(periph_id)); - - internal_id = periph_id_to_internal_id[periph_id]; - assert(periphc_internal_id_isvalid(internal_id)); - - type = clock_periph_type[internal_id]; - assert(clock_type_id_isvalid(type)); + int mux, err; - *mux_bits = clock_source[type][CLOCK_MAX_MUX]; - - if (type == CLOCK_TYPE_PCMT16) - *divider_bits = 16; - else - *divider_bits = 8; + err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); + assert(!err); for (mux = 0; mux < CLOCK_MAX_MUX; mux++) if (clock_source[type][mux] == parent) @@ -699,3 +731,26 @@ void arch_timer_init(void) writel(val, &sysctr->cntcr); debug("%s: TSC CNTCR = 0x%08X\n", __func__, val); } + +struct periph_clk_init periph_clk_init_table[] = { + { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, + { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, + { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_NDFLASH, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C4, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C5, CLOCK_ID_PERIPH }, + { -1, }, +}; diff --git a/arch/arm/mach-tegra/tegra124/clock.c b/arch/arm/mach-tegra/tegra124/clock.c index 1e71146..5e44061 100644 --- a/arch/arm/mach-tegra/tegra124/clock.c +++ b/arch/arm/mach-tegra/tegra124/clock.c @@ -642,6 +642,51 @@ u32 *get_periph_source_reg(enum periph_id periph_id) } } +int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, + int *divider_bits, int *type) +{ + enum periphc_internal_id internal_id; + + if (!clock_periph_id_isvalid(periph_id)) + return -1; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return -1; + + *type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(*type)) + return -1; + + *mux_bits = clock_source[*type][CLOCK_MAX_MUX]; + + if (*type == CLOCK_TYPE_PC2CC3M_T16) + *divider_bits = 16; + else + *divider_bits = 8; + + return 0; +} + +enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) +{ + enum periphc_internal_id internal_id; + int type; + + if (!clock_periph_id_isvalid(periph_id)) + return CLOCK_ID_NONE; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return CLOCK_ID_NONE; + + type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(type)) + return CLOCK_ID_NONE; + + return clock_source[type][source]; +} + /** * Given a peripheral ID and the required source clock, this returns which * value should be programmed into the source mux for that peripheral. @@ -658,23 +703,10 @@ int get_periph_clock_source(enum periph_id periph_id, enum clock_id parent, int *mux_bits, int *divider_bits) { enum clock_type_id type; - enum periphc_internal_id internal_id; - int mux; + int mux, err; - assert(clock_periph_id_isvalid(periph_id)); - - internal_id = periph_id_to_internal_id[periph_id]; - assert(periphc_internal_id_isvalid(internal_id)); - - type = clock_periph_type[internal_id]; - assert(clock_type_id_isvalid(type)); - - *mux_bits = clock_source[type][CLOCK_MAX_MUX]; - - if (type == CLOCK_TYPE_PC2CC3M_T16) - *divider_bits = 16; - else - *divider_bits = 8; + err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); + assert(!err); for (mux = 0; mux < CLOCK_MAX_MUX; mux++) if (clock_source[type][mux] == parent) @@ -1107,3 +1139,26 @@ struct clk_pll_simple *clock_get_simple_pll(enum clock_id clkid) return NULL; } + +struct periph_clk_init periph_clk_init_table[] = { + { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, + { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, + { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C4, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C5, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C6, CLOCK_ID_PERIPH }, + { -1, }, +}; diff --git a/arch/arm/mach-tegra/tegra186/Makefile b/arch/arm/mach-tegra/tegra186/Makefile index 033d600..7f46a05 100644 --- a/arch/arm/mach-tegra/tegra186/Makefile +++ b/arch/arm/mach-tegra/tegra186/Makefile @@ -3,5 +3,6 @@ # SPDX-License-Identifier: GPL-2.0 obj-y += ../board186.o +obj-y += cache.o obj-y += nvtboot_ll.o obj-y += nvtboot_mem.o diff --git a/arch/arm/mach-tegra/tegra186/cache.c b/arch/arm/mach-tegra/tegra186/cache.c new file mode 100644 index 0000000..adaed89 --- /dev/null +++ b/arch/arm/mach-tegra/tegra186/cache.c @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2016, NVIDIA CORPORATION. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/system.h> + +#define SMC_SIP_INVOKE_MCE 0x82FFFF00 +#define MCE_SMC_ROC_FLUSH_CACHE 11 + +int __asm_flush_l3_cache(void) +{ + struct pt_regs regs = {0}; + + isb(); + + regs.regs[0] = SMC_SIP_INVOKE_MCE | MCE_SMC_ROC_FLUSH_CACHE; + smc_call(®s); + + return 0; +} diff --git a/arch/arm/mach-tegra/tegra20/clock.c b/arch/arm/mach-tegra/tegra20/clock.c index cd9fb9a..ec04cf5 100644 --- a/arch/arm/mach-tegra/tegra20/clock.c +++ b/arch/arm/mach-tegra/tegra20/clock.c @@ -413,46 +413,78 @@ u32 *get_periph_source_reg(enum periph_id periph_id) return &clkrst->crc_clk_src[internal_id]; } -/** - * Given a peripheral ID and the required source clock, this returns which - * value should be programmed into the source mux for that peripheral. - * - * There is special code here to handle the one source type with 5 sources. - * - * @param periph_id peripheral to start - * @param source PLL id of required parent clock - * @param mux_bits Set to number of bits in mux register: 2 or 4 - * @param divider_bits Set to number of divider bits (8 or 16) - * @return mux value (0-4, or -1 if not found) - */ -int get_periph_clock_source(enum periph_id periph_id, - enum clock_id parent, int *mux_bits, int *divider_bits) +int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, + int *divider_bits, int *type) { - enum clock_type_id type; enum periphc_internal_id internal_id; - int mux; - assert(clock_periph_id_isvalid(periph_id)); + if (!clock_periph_id_isvalid(periph_id)) + return -1; internal_id = periph_id_to_internal_id[periph_id]; - assert(periphc_internal_id_isvalid(internal_id)); + if (!periphc_internal_id_isvalid(internal_id)) + return -1; - type = clock_periph_type[internal_id]; - assert(clock_type_id_isvalid(type)); + *type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(*type)) + return -1; /* * Special cases here for the clock with a 4-bit source mux and I2C * with its 16-bit divisor */ - if (type == CLOCK_TYPE_PCXTS) + if (*type == CLOCK_TYPE_PCXTS) *mux_bits = MASK_BITS_31_28; else *mux_bits = MASK_BITS_31_30; - if (type == CLOCK_TYPE_PCMT16) + if (*type == CLOCK_TYPE_PCMT16) *divider_bits = 16; else *divider_bits = 8; + return 0; +} + +enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) +{ + enum periphc_internal_id internal_id; + int type; + + if (!clock_periph_id_isvalid(periph_id)) + return CLOCK_ID_NONE; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return CLOCK_ID_NONE; + + type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(type)) + return CLOCK_ID_NONE; + + return clock_source[type][source]; +} + +/** + * Given a peripheral ID and the required source clock, this returns which + * value should be programmed into the source mux for that peripheral. + * + * There is special code here to handle the one source type with 5 sources. + * + * @param periph_id peripheral to start + * @param source PLL id of required parent clock + * @param mux_bits Set to number of bits in mux register: 2 or 4 + * @param divider_bits Set to number of divider bits (8 or 16) + * @return mux value (0-4, or -1 if not found) + */ +int get_periph_clock_source(enum periph_id periph_id, + enum clock_id parent, int *mux_bits, int *divider_bits) +{ + enum clock_type_id type; + int mux, err; + + err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); + assert(!err); + for (mux = 0; mux < CLOCK_MAX_MUX; mux++) if (clock_source[type][mux] == parent) return mux; @@ -717,3 +749,24 @@ int tegra_plle_enable(void) return 0; } + +struct periph_clk_init periph_clk_init_table[] = { + { PERIPH_ID_SPI1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, + { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_NDFLASH, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_DVC_I2C, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, + { -1, }, +}; diff --git a/arch/arm/mach-tegra/tegra210/clock.c b/arch/arm/mach-tegra/tegra210/clock.c index f0052e7..c8bb946 100644 --- a/arch/arm/mach-tegra/tegra210/clock.c +++ b/arch/arm/mach-tegra/tegra210/clock.c @@ -732,6 +732,51 @@ u32 *get_periph_source_reg(enum periph_id periph_id) return &clkrst->crc_clk_src_y[internal_id]; } +int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, + int *divider_bits, int *type) +{ + enum periphc_internal_id internal_id; + + if (!clock_periph_id_isvalid(periph_id)) + return -1; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return -1; + + *type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(*type)) + return -1; + + *mux_bits = clock_source[*type][CLOCK_MAX_MUX]; + + if (*type == CLOCK_TYPE_PC2CC3M_T16) + *divider_bits = 16; + else + *divider_bits = 8; + + return 0; +} + +enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) +{ + enum periphc_internal_id internal_id; + int type; + + if (!clock_periph_id_isvalid(periph_id)) + return CLOCK_ID_NONE; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return CLOCK_ID_NONE; + + type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(type)) + return CLOCK_ID_NONE; + + return clock_source[type][source]; +} + /** * Given a peripheral ID and the required source clock, this returns which * value should be programmed into the source mux for that peripheral. @@ -748,23 +793,10 @@ int get_periph_clock_source(enum periph_id periph_id, enum clock_id parent, int *mux_bits, int *divider_bits) { enum clock_type_id type; - enum periphc_internal_id internal_id; - int mux; - - assert(clock_periph_id_isvalid(periph_id)); - - internal_id = INTERNAL_ID(periph_id_to_internal_id[periph_id]); - assert(periphc_internal_id_isvalid(internal_id)); - - type = clock_periph_type[internal_id]; - assert(clock_type_id_isvalid(type)); + int mux, err; - *mux_bits = clock_source[type][CLOCK_MAX_MUX]; - - if (type == CLOCK_TYPE_PC2CC3M_T16) - *divider_bits = 16; - else - *divider_bits = 8; + err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); + assert(!err); for (mux = 0; mux < CLOCK_MAX_MUX; mux++) if (clock_source[type][mux] == parent) @@ -1225,3 +1257,26 @@ int tegra_plle_enable(void) return 0; } + +struct periph_clk_init periph_clk_init_table[] = { + { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, + { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, + { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C4, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C5, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C6, CLOCK_ID_PERIPH }, + { -1, }, +}; diff --git a/arch/arm/mach-tegra/tegra30/clock.c b/arch/arm/mach-tegra/tegra30/clock.c index 1f104f2..4fd8b8a 100644 --- a/arch/arm/mach-tegra/tegra30/clock.c +++ b/arch/arm/mach-tegra/tegra30/clock.c @@ -476,6 +476,51 @@ u32 *get_periph_source_reg(enum periph_id periph_id) return &clkrst->crc_clk_src[internal_id]; } +int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, + int *divider_bits, int *type) +{ + enum periphc_internal_id internal_id; + + if (!clock_periph_id_isvalid(periph_id)) + return -1; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return -1; + + *type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(*type)) + return -1; + + *mux_bits = clock_source[*type][CLOCK_MAX_MUX]; + + if (*type == CLOCK_TYPE_PCMT16) + *divider_bits = 16; + else + *divider_bits = 8; + + return 0; +} + +enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) +{ + enum periphc_internal_id internal_id; + int type; + + if (!clock_periph_id_isvalid(periph_id)) + return CLOCK_ID_NONE; + + internal_id = periph_id_to_internal_id[periph_id]; + if (!periphc_internal_id_isvalid(internal_id)) + return CLOCK_ID_NONE; + + type = clock_periph_type[internal_id]; + if (!clock_type_id_isvalid(type)) + return CLOCK_ID_NONE; + + return clock_source[type][source]; +} + /** * Given a peripheral ID and the required source clock, this returns which * value should be programmed into the source mux for that peripheral. @@ -492,23 +537,10 @@ int get_periph_clock_source(enum periph_id periph_id, enum clock_id parent, int *mux_bits, int *divider_bits) { enum clock_type_id type; - enum periphc_internal_id internal_id; - int mux; + int mux, err; - assert(clock_periph_id_isvalid(periph_id)); - - internal_id = periph_id_to_internal_id[periph_id]; - assert(periphc_internal_id_isvalid(internal_id)); - - type = clock_periph_type[internal_id]; - assert(clock_type_id_isvalid(type)); - - *mux_bits = clock_source[type][CLOCK_MAX_MUX]; - - if (type == CLOCK_TYPE_PCMT16) - *divider_bits = 16; - else - *divider_bits = 8; + err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); + assert(!err); for (mux = 0; mux < CLOCK_MAX_MUX; mux++) if (clock_source[type][mux] == parent) @@ -763,3 +795,26 @@ int tegra_plle_enable(void) return 0; } + +struct periph_clk_init periph_clk_init_table[] = { + { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, + { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, + { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, + { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_NDFLASH, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, + { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, + { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_DVC_I2C, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, + { PERIPH_ID_I2C4, CLOCK_ID_PERIPH }, + { -1, }, +}; 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