From 91758e0eb24a8784404e9edcaec543cfedfa1414 Mon Sep 17 00:00:00 2001 From: mmel Date: Sun, 16 Apr 2017 08:18:37 +0000 Subject: MFC r308286,r308287: r308286: TEGRA: Add basic driver for memory controller. For now, it only reports memory and SMMU access errors. r308287: TEGRA: Fix numerous issues in clock code. Define and export clocks related to XUSB driver. --- sys/arm/nvidia/tegra124/files.tegra124 | 1 + sys/arm/nvidia/tegra124/tegra124_car.c | 12 +- sys/arm/nvidia/tegra124/tegra124_clk_per.c | 233 +++++++++++---------- sys/arm/nvidia/tegra124/tegra124_clk_pll.c | 38 +++- sys/arm/nvidia/tegra_mc.c | 311 +++++++++++++++++++++++++++++ 5 files changed, 471 insertions(+), 124 deletions(-) create mode 100644 sys/arm/nvidia/tegra_mc.c (limited to 'sys/arm') diff --git a/sys/arm/nvidia/tegra124/files.tegra124 b/sys/arm/nvidia/tegra124/files.tegra124 index 7d9fcba..8eaa009 100644 --- a/sys/arm/nvidia/tegra124/files.tegra124 +++ b/sys/arm/nvidia/tegra124/files.tegra124 @@ -33,6 +33,7 @@ arm/nvidia/tegra_efuse.c standard arm/nvidia/tegra_soctherm_if.m standard arm/nvidia/tegra_soctherm.c standard arm/nvidia/tegra_lic.c standard +arm/nvidia/tegra_mc.c standard #arm/nvidia/tegra_hda.c optional snd_hda #arm/nvidia/drm2/hdmi.c optional drm2 #arm/nvidia/drm2/tegra_drm_if.m optional drm2 diff --git a/sys/arm/nvidia/tegra124/tegra124_car.c b/sys/arm/nvidia/tegra124/tegra124_car.c index 4a9549f..da36644 100644 --- a/sys/arm/nvidia/tegra124/tegra124_car.c +++ b/sys/arm/nvidia/tegra124/tegra124_car.c @@ -191,13 +191,13 @@ PLIST(mux_plle_src) = {"pllE_src1", "pllREFE_out"}; PLIST(mux_plld_out0_plld2_out0) = {"pllD_out0", "pllD2_out0"}; PLIST(mux_pllmcp_clkm) = {"pllM_out0", "pllC_out0", "pllP_out0", "clk_m", "pllM_UD", "pllC2_out0", "pllC3_out0", "pllC_UD"}; -PLIST(mux_xusb_hs) = {"pc_xusb_ss", "pllU_60"}; +PLIST(mux_xusb_hs) = {"xusb_ss_div2", "pllU_60"}; PLIST(mux_xusb_ss) = {"pc_xusb_ss", "osc_div_clk"}; /* Clocks ajusted online. */ static struct clk_fixed_def fixed_clk_m = - FRATE(0, "clk_m", 12000000); + FRATE(TEGRA124_CLK_CLK_M, "clk_m", 12000000); static struct clk_fixed_def fixed_osc_div_clk = FACT(0, "osc_div_clk", "clk_m", 1, 1); @@ -222,6 +222,10 @@ static struct clk_fixed_def tegra124_fixed_clks[] = { FRATE(0, "audio3", 10000000), FRATE(0, "audio4", 10000000), FRATE(0, "ext_vimclk", 10000000), + + /* XUSB */ + FACT(TEGRA124_CLK_XUSB_SS_DIV2, "xusb_ss_div2", "xusb_ss", 1, 2), + }; @@ -239,7 +243,7 @@ static struct clk_mux_def tegra124_mux_clks[] = { MUX(0, "emc_mux", mux_pllmcp_clkm, CLK_SOURCE_EMC, 29, 3), /* USB. */ - MUX(0, "xusb_hs", mux_xusb_hs, CLK_SOURCE_XUSB_SS, 25, 1), + MUX(TEGRA124_CLK_XUSB_HS_SRC, "xusb_hs", mux_xusb_hs, CLK_SOURCE_XUSB_SS, 25, 1), MUX(0, "xusb_ss_mux", mux_xusb_ss, CLK_SOURCE_XUSB_SS, 24, 1), }; @@ -249,7 +253,7 @@ static struct clk_gate_def tegra124_gate_clks[] = { /* Core clocks. */ GATE_PLL(0, "pllC_out1", "pllC_out1_div", PLLC_OUT, 0), GATE_PLL(0, "pllM_out1", "pllM_out1_div", PLLM_OUT, 0), - GATE_PLL(0, "pllU_480", "pllU_out", PLLU_BASE, 22), + GATE_PLL(TEGRA124_CLK_PLL_U_480M, "pllU_480", "pllU_out", PLLU_BASE, 22), GATE_PLL(0, "pllP_outX0", "pllP_outX0_div", PLLP_RESHIFT, 0), GATE_PLL(0, "pllP_out1", "pllP_out1_div", PLLP_OUTA, 0), GATE_PLL(0, "pllP_out2", "pllP_out2_div", PLLP_OUTA, 16), diff --git a/sys/arm/nvidia/tegra124/tegra124_clk_per.c b/sys/arm/nvidia/tegra124/tegra124_clk_per.c index 65ae5d9..7d0c9e5 100644 --- a/sys/arm/nvidia/tegra124/tegra124_clk_per.c +++ b/sys/arm/nvidia/tegra124/tegra124_clk_per.c @@ -41,6 +41,15 @@ __FBSDID("$FreeBSD$"); #include #include "tegra124_car.h" +/* The TEGRA124_CLK_XUSB_GATE is missing in current + * DT bindings, define it localy + */ +#ifdef TEGRA124_CLK_XUSB_GATE +#error "TEGRA124_CLK_XUSB_GATE is now defined, revisit XUSB code!" +#else +#define TEGRA124_CLK_XUSB_GATE 143 +#endif + /* Bits in base register. */ #define PERLCK_AMUX_MASK 0x0F #define PERLCK_AMUX_SHIFT 16 @@ -175,7 +184,7 @@ PLIST(mux_sep_audio) = "spdif_in", "i2s0", "i2s1", "i2s2", "i2s4", "pllA_out0", "ext_vimclk"}; -static uint32_t clk_enabale_reg[] = { +static uint32_t clk_enable_reg[] = { CLK_OUT_ENB_L, CLK_OUT_ENB_H, CLK_OUT_ENB_U, @@ -285,7 +294,7 @@ static struct pgate_def pgate_def[] = { GATE(CSUS, "sus_out", "clk_m", U(28)), /* GATE(DEVD2_OUT, "devd2_out", "clk_m", U(29)), */ /* GATE(DEVD1_OUT, "devd1_out", "clk_m", U(30)), */ - GATE(XUSB_DEV_SRC, "xusb_core_dev", "pc_xusb_core_dev", U(31)), + GATE(XUSB_DEV, "xusb_core_dev", "pc_xusb_core_dev", U(31)), /* bank V -> 96-127 */ /* GATE(CPUG, "cpug", "clk_m", V(0)), */ @@ -328,7 +337,7 @@ static struct pgate_def pgate_def[] = { /* GATE(HDMI_IOBIST, "hdmi_iobist", "clk_m", W(11)), */ /* GATE(SATA_IOBIST, "sata_iobist", "clk_m", W(12)), */ /* GATE(MIPI_IOBIST, "mipi_iobist", "clk_m", W(13)), */ - /* GATE(XUSB_IOBIST, "xusb_iobist", "clk_m", W(15)), */ + GATE(XUSB_GATE, "xusb_gate", "clk_m", W(15)), GATE(CILAB, "cilab", "pc_cilab", W(16)), GATE(CILCD, "cilcd", "pc_cilcd", W(17)), GATE(CILE, "cile", "pc_cile", W(18)), @@ -337,10 +346,10 @@ static struct pgate_def pgate_def[] = { GATE(ENTROPY, "entropy", "pc_entropy", W(21)), GATE(AMX, "amx", "pc_amx", W(25)), GATE(ADX, "adx", "pc_adx", W(26)), - GATE(DFLL_REF, "dvfs_ref", "pc_dvfs_ref", X(27)), - GATE(DFLL_SOC, "dvfs_soc", "pc_dvfs_soc", X(27)), - GATE(XUSB_SS_SRC, "xusb_ss", "xusb_ss_mux", X(28)), - /* GATE(EMC_LATENCY, "emc_latency", "pc_emc_latency", X(29)), */ + GATE(DFLL_REF, "dvfs_ref", "pc_dvfs_ref", W(27)), + GATE(DFLL_SOC, "dvfs_soc", "pc_dvfs_soc", W(27)), + GATE(XUSB_SS, "xusb_ss", "xusb_ss_mux", W(28)), + /* GATE(EMC_LATENCY, "emc_latency", "pc_emc_latency", W(29)), */ /* bank X -> 160-191*/ /* GATE(SPARE, "spare", "clk_m", X(0)), */ @@ -391,111 +400,115 @@ static struct pgate_def pgate_def[] = { } /* Mux with fractional 8.1 divider. */ -#define CLK_8_1(cn, pl, r, f) \ - PER_CLK(0, cn, pl, r, 8, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) +#define CLK_8_1(id, cn, pl, r, f) \ + PER_CLK(id, cn, pl, r, 8, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) + /* Mux with fractional 16.1 divider. */ -#define CLK16_1(cn, pl, r, f) \ - PER_CLK(0, cn, pl, r, 16, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) +#define CLK16_1(id, cn, pl, r, f) \ + PER_CLK(id, cn, pl, r, 16, 1, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) /* Mux with integer 16bits divider. */ -#define CLK16_0(cn, pl, r, f) \ - PER_CLK(0, cn, pl, r, 16, 0, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) +#define CLK16_0(id, cn, pl, r, f) \ + PER_CLK(id, cn, pl, r, 16, 0, (f) | DCF_HAVE_MUX | DCF_HAVE_DIV) /* Mux wihout divider. */ -#define CLK_0_0(cn, pl, r, f) \ - PER_CLK(0, cn, pl, r, 0, 0, (f) | DCF_HAVE_MUX) +#define CLK_0_0(id, cn, pl, r, f) \ + PER_CLK(id, cn, pl, r, 0, 0, (f) | DCF_HAVE_MUX) static struct periph_def periph_def[] = { - CLK_8_1("pc_i2s1", mux_a_N_audio1_N_p_N_clkm, CLK_SOURCE_I2S1, DCF_HAVE_ENA), - CLK_8_1("pc_i2s2", mux_a_N_audio2_N_p_N_clkm, CLK_SOURCE_I2S2, DCF_HAVE_ENA), - CLK_8_1("pc_spdif_out", mux_a_N_audio_N_p_N_clkm, CLK_SOURCE_SPDIF_OUT, 0), - CLK_8_1("pc_spdif_in", mux_p_c2_c_c3_m, CLK_SOURCE_SPDIF_IN, 0), - CLK_8_1("pc_pwm", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_PWM, 0), - CLK_8_1("pc_spi2", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI2, 0), - CLK_8_1("pc_spi3", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI3, 0), - CLK16_0("pc_i2c5", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C5, 0), - CLK16_0("pc_i2c1", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C1, 0), - CLK_8_1("pc_spi1", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI1, 0), - CLK_0_0("pc_disp1", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_DISP1, 0), - CLK_0_0("pc_disp2", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_DISP2, 0), - CLK_8_1("pc_isp", mux_m_c_p_a_c2_c3_clkm_c4, CLK_SOURCE_ISP, 0), - CLK_8_1("pc_vi", mux_m_c2_c_c3_p_N_a_c4, CLK_SOURCE_VI, DCF_IS_VI), - CLK_8_1("pc_sdmmc1", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC1, 0), - CLK_8_1("pc_sdmmc2", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC2, 0), - CLK_8_1("pc_sdmmc4", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC4, 0), - CLK_8_1("pc_vfir", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_VFIR, 0), - CLK_8_1("pc_hsi", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HSI, 0), - CLK16_1("pc_uarta", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTA, DCF_IS_UART), - CLK16_1("pc_uartb", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTB, DCF_IS_UART), - CLK_8_1("pc_host1x", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HOST1X, DCF_IS_HOST1X), - CLK_8_1("pc_hdmi", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_HDMI, 0), - CLK16_0("pc_i2c2", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C2, 0), + CLK_8_1(0, "pc_i2s1", mux_a_N_audio1_N_p_N_clkm, CLK_SOURCE_I2S1, DCF_HAVE_ENA), + CLK_8_1(0, "pc_i2s2", mux_a_N_audio2_N_p_N_clkm, CLK_SOURCE_I2S2, DCF_HAVE_ENA), + CLK_8_1(0, "pc_spdif_out", mux_a_N_audio_N_p_N_clkm, CLK_SOURCE_SPDIF_OUT, 0), + CLK_8_1(0, "pc_spdif_in", mux_p_c2_c_c3_m, CLK_SOURCE_SPDIF_IN, 0), + CLK_8_1(0, "pc_pwm", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_PWM, 0), + CLK_8_1(0, "pc_spi2", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI2, 0), + CLK_8_1(0, "pc_spi3", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI3, 0), + CLK16_0(0, "pc_i2c5", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C5, 0), + CLK16_0(0, "pc_i2c1", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C1, 0), + CLK_8_1(0, "pc_spi1", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI1, 0), + CLK_0_0(0, "pc_disp1", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_DISP1, 0), + CLK_0_0(0, "pc_disp2", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_DISP2, 0), + CLK_8_1(0, "pc_isp", mux_m_c_p_a_c2_c3_clkm_c4, CLK_SOURCE_ISP, 0), + CLK_8_1(0, "pc_vi", mux_m_c2_c_c3_p_N_a_c4, CLK_SOURCE_VI, DCF_IS_VI), + CLK_8_1(0, "pc_sdmmc1", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC1, 0), + CLK_8_1(0, "pc_sdmmc2", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC2, 0), + CLK_8_1(0, "pc_sdmmc4", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC4, 0), + CLK_8_1(0, "pc_vfir", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_VFIR, 0), + CLK_8_1(0, "pc_hsi", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HSI, 0), + CLK16_1(0, "pc_uarta", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTA, DCF_IS_UART), + CLK16_1(0, "pc_uartb", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTB, DCF_IS_UART), + CLK_8_1(0, "pc_host1x", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HOST1X, DCF_IS_HOST1X), + CLK_8_1(0, "pc_hdmi", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_HDMI, 0), + CLK16_0(0, "pc_i2c2", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C2, 0), /* EMC 8 */ - CLK16_1("pc_uartc", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTC, DCF_IS_UART), - CLK_8_1("pc_vi_sensor", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR, 0), - CLK_8_1("pc_spi4", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI4, 0), - CLK16_0("pc_i2c3", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C3, 0), - CLK_8_1("pc_sdmmc3", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC3, 0), - CLK16_1("pc_uartd", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTD, DCF_IS_UART), - CLK_8_1("pc_vde", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_VDE, 0), - CLK_8_1("pc_owr", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_OWR, 0), - CLK_8_1("pc_snor", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_NOR, 0), - CLK_8_1("pc_csite", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_CSITE, 0), - CLK_8_1("pc_i2s0", mux_a_N_audio0_N_p_N_clkm, CLK_SOURCE_I2S0, 0), + CLK16_1(0, "pc_uartc", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTC, DCF_IS_UART), + CLK_8_1(0, "pc_vi_sensor", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR, 0), + CLK_8_1(0, "pc_spi4", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI4, 0), + CLK16_0(0, "pc_i2c3", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C3, 0), + CLK_8_1(0, "pc_sdmmc3", mux_p_c2_c_c3_m_e_clkm, CLK_SOURCE_SDMMC3, 0), + CLK16_1(0, "pc_uartd", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_UARTD, DCF_IS_UART), + CLK_8_1(0, "pc_vde", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_VDE, 0), + CLK_8_1(0, "pc_owr", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_OWR, 0), + CLK_8_1(0, "pc_snor", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_NOR, 0), + CLK_8_1(0, "pc_csite", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_CSITE, 0), + CLK_8_1(0, "pc_i2s0", mux_a_N_audio0_N_p_N_clkm, CLK_SOURCE_I2S0, 0), /* DTV xxx */ - CLK_8_1("pc_msenc", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_MSENC, 0), - CLK_8_1("pc_tsec", mux_p_c2_c_c3_m_a_clkm, CLK_SOURCE_TSEC, 0), + CLK_8_1(0, "pc_msenc", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_MSENC, 0), + CLK_8_1(0, "pc_tsec", mux_p_c2_c_c3_m_a_clkm, CLK_SOURCE_TSEC, 0), /* SPARE2 */ - CLK_8_1("pc_mselect", mux_p_c2_c_c3_m_clks_clkm, CLK_SOURCE_MSELECT, 0), - CLK_8_1("pc_tsensor", mux_p_c2_c_c3_clkm_N_clks, CLK_SOURCE_TSENSOR, 0), - CLK_8_1("pc_i2s3", mux_a_N_audio3_N_p_N_clkm, CLK_SOURCE_I2S3, DCF_HAVE_ENA), - CLK_8_1("pc_i2s4", mux_a_N_audio4_N_p_N_clkm, CLK_SOURCE_I2S4, DCF_HAVE_ENA), - CLK16_0("pc_i2c4", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C4, 0), - CLK_8_1("pc_spi5", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI5, 0), - CLK_8_1("pc_spi6", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI6, 0), - CLK_8_1("pc_audio", mux_sep_audio, CLK_SOURCE_AUDIO, DCF_IS_AUDIO), - CLK_8_1("pc_dam0", mux_sep_audio, CLK_SOURCE_DAM0, DCF_IS_AUDIO), - CLK_8_1("pc_dam1", mux_sep_audio, CLK_SOURCE_DAM1, DCF_IS_AUDIO), - CLK_8_1("pc_dam2", mux_sep_audio, CLK_SOURCE_DAM2, DCF_IS_AUDIO), - CLK_8_1("pc_hda2codec_2x", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HDA2CODEC_2X, 0), - CLK_8_1("pc_actmon", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_ACTMON, 0), - CLK_8_1("pc_extperiph1", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH1, 0), - CLK_8_1("pc_extperiph2", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH2, 0), - CLK_8_1("pc_extperiph3", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH3, 0), - CLK_8_1("pc_i2c_slow", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_I2C_SLOW, 0), + CLK_8_1(0, "pc_mselect", mux_p_c2_c_c3_m_clks_clkm, CLK_SOURCE_MSELECT, 0), + CLK_8_1(0, "pc_tsensor", mux_p_c2_c_c3_clkm_N_clks, CLK_SOURCE_TSENSOR, 0), + CLK_8_1(0, "pc_i2s3", mux_a_N_audio3_N_p_N_clkm, CLK_SOURCE_I2S3, DCF_HAVE_ENA), + CLK_8_1(0, "pc_i2s4", mux_a_N_audio4_N_p_N_clkm, CLK_SOURCE_I2S4, DCF_HAVE_ENA), + CLK16_0(0, "pc_i2c4", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C4, 0), + CLK_8_1(0, "pc_spi5", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI5, 0), + CLK_8_1(0, "pc_spi6", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_SPI6, 0), + CLK_8_1(0, "pc_audio", mux_sep_audio, CLK_SOURCE_AUDIO, DCF_IS_AUDIO), + CLK_8_1(0, "pc_dam0", mux_sep_audio, CLK_SOURCE_DAM0, DCF_IS_AUDIO), + CLK_8_1(0, "pc_dam1", mux_sep_audio, CLK_SOURCE_DAM1, DCF_IS_AUDIO), + CLK_8_1(0, "pc_dam2", mux_sep_audio, CLK_SOURCE_DAM2, DCF_IS_AUDIO), + CLK_8_1(0, "pc_hda2codec_2x", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HDA2CODEC_2X, 0), + CLK_8_1(0, "pc_actmon", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_ACTMON, 0), + CLK_8_1(0, "pc_extperiph1", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH1, 0), + CLK_8_1(0, "pc_extperiph2", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH2, 0), + CLK_8_1(0, "pc_extperiph3", mux_a_clks_p_clkm_e, CLK_SOURCE_EXTPERIPH3, 0), + CLK_8_1(0, "pc_i2c_slow", mux_p_c2_c_c3_clks_N_clkm, CLK_SOURCE_I2C_SLOW, 0), /* SYS */ - CLK_8_1("pc_sor0", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_SOR0, DCF_IS_SOR0), - CLK_8_1("pc_sata_oob", mux_p_N_c_N_m_N_clkm, CLK_SOURCE_SATA_OOB, 0), - CLK_8_1("pc_sata", mux_p_N_c_N_m_N_clkm, CLK_SOURCE_SATA, FDS_IS_SATA), - CLK_8_1("pc_hda", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HDA, 0), - - - CLK_8_1("pc_xusb_core_host", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_CORE_HOST, 0), - CLK_8_1("pc_xusb_falcon", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_FALCON, 0), - CLK_8_1("pc_xusb_fs", mux_clkm_N_u48_N_p_N_u480, CLK_SOURCE_XUSB_FS, 0), - CLK_8_1("pc_xusb_core_dev", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_CORE_DEV, 0), - CLK_8_1("pc_xusb_ss", mux_clkm_refe_clks_u480_c_c2_c3_oscdiv, CLK_SOURCE_XUSB_SS, DCF_IS_XUSB_SS), - CLK_8_1("pc_cilab", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILAB, 0), - CLK_8_1("pc_cilcd", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILCD, 0), - CLK_8_1("pc_cile", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILE, 0), - CLK_8_1("pc_dsia_lp", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_DSIA_LP, 0), - CLK_8_1("pc_dsib_lp", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_DSIB_LP, 0), - CLK_8_1("pc_entropy", mux_p_clkm_clks_E, CLK_SOURCE_ENTROPY, 0), - CLK_8_1("pc_dvfs_ref", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_DVFS_REF, DCF_HAVE_ENA), - CLK_8_1("pc_dvfs_soc", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_DVFS_SOC, DCF_HAVE_ENA), - CLK_8_1("pc_traceclkin", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_TRACECLKIN, 0), - CLK_8_1("pc_adx", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_ADX, DCF_HAVE_ENA), - CLK_8_1("pc_amx", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_AMX, DCF_HAVE_ENA), - CLK_8_1("pc_emc_latency", mux_m_c_p_clkm_mud_c2_c3, CLK_SOURCE_EMC_LATENCY, 0), - CLK_8_1("pc_soc_therm", mux_m_c_p_a_c2_c3, CLK_SOURCE_SOC_THERM, 0), - CLK_8_1("pc_vi_sensor2", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR2, 0), - CLK16_0("pc_i2c6", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C6, 0), - CLK_8_1("pc_emc_dll", mux_m_c_p_clkm_mud_c2_c3, CLK_SOURCE_EMC_DLL, DCF_IS_EMC_DLL), - CLK_8_1("pc_hdmi_audio", mux_p_c_c2_clkm, CLK_SOURCE_HDMI_AUDIO, 0), - CLK_8_1("pc_clk72mhz", mux_p_c_c2_clkm, CLK_SOURCE_CLK72MHZ, 0), - CLK_8_1("pc_adx1", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_ADX1, DCF_HAVE_ENA), - CLK_8_1("pc_amx1", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_AMX1, DCF_HAVE_ENA), - CLK_8_1("pc_vic", mux_m_c_p_a_c2_c3_clkm, CLK_SOURCE_VIC, DCF_IS_VIC), + CLK_8_1(0, "pc_sor0", mux_p_m_d_a_c_d2_clkm, CLK_SOURCE_SOR0, DCF_IS_SOR0), + CLK_8_1(0, "pc_sata_oob", mux_p_N_c_N_m_N_clkm, CLK_SOURCE_SATA_OOB, 0), + CLK_8_1(0, "pc_sata", mux_p_N_c_N_m_N_clkm, CLK_SOURCE_SATA, FDS_IS_SATA), + CLK_8_1(0, "pc_hda", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_HDA, 0), + CLK_8_1(TEGRA124_CLK_XUSB_HOST_SRC, + "pc_xusb_core_host", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_CORE_HOST, 0), + CLK_8_1(TEGRA124_CLK_XUSB_FALCON_SRC, + "pc_xusb_falcon", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_FALCON, 0), + CLK_8_1(TEGRA124_CLK_XUSB_FS_SRC, + "pc_xusb_fs", mux_clkm_N_u48_N_p_N_u480, CLK_SOURCE_XUSB_FS, 0), + CLK_8_1(TEGRA124_CLK_XUSB_DEV_SRC, + "pc_xusb_core_dev", mux_clkm_p_c2_c_c3_refre, CLK_SOURCE_XUSB_CORE_DEV, 0), + CLK_8_1(TEGRA124_CLK_XUSB_SS_SRC, + "pc_xusb_ss", mux_clkm_refe_clks_u480_c_c2_c3_oscdiv, CLK_SOURCE_XUSB_SS, DCF_IS_XUSB_SS), + CLK_8_1(0, "pc_cilab", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILAB, 0), + CLK_8_1(0, "pc_cilcd", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILCD, 0), + CLK_8_1(0, "pc_cile", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_CILE, 0), + CLK_8_1(0, "pc_dsia_lp", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_DSIA_LP, 0), + CLK_8_1(0, "pc_dsib_lp", mux_p_N_c_N_N_N_clkm, CLK_SOURCE_DSIB_LP, 0), + CLK_8_1(0, "pc_entropy", mux_p_clkm_clks_E, CLK_SOURCE_ENTROPY, 0), + CLK_8_1(0, "pc_dvfs_ref", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_DVFS_REF, DCF_HAVE_ENA), + CLK_8_1(0, "pc_dvfs_soc", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_DVFS_SOC, DCF_HAVE_ENA), + CLK_8_1(0, "pc_traceclkin", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_TRACECLKIN, 0), + CLK_8_1(0, "pc_adx", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_ADX, DCF_HAVE_ENA), + CLK_8_1(0, "pc_amx", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_AMX, DCF_HAVE_ENA), + CLK_8_1(0, "pc_emc_latency", mux_m_c_p_clkm_mud_c2_c3, CLK_SOURCE_EMC_LATENCY, 0), + CLK_8_1(0, "pc_soc_therm", mux_m_c_p_a_c2_c3, CLK_SOURCE_SOC_THERM, 0), + CLK_8_1(0, "pc_vi_sensor2", mux_m_c2_c_c3_p_N_a, CLK_SOURCE_VI_SENSOR2, 0), + CLK16_0(0, "pc_i2c6", mux_p_c2_c_c3_m_N_clkm, CLK_SOURCE_I2C6, 0), + CLK_8_1(0, "pc_emc_dll", mux_m_c_p_clkm_mud_c2_c3, CLK_SOURCE_EMC_DLL, DCF_IS_EMC_DLL), + CLK_8_1(0, "pc_hdmi_audio", mux_p_c_c2_clkm, CLK_SOURCE_HDMI_AUDIO, 0), + CLK_8_1(0, "pc_clk72mhz", mux_p_c_c2_clkm, CLK_SOURCE_CLK72MHZ, 0), + CLK_8_1(0, "pc_adx1", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_ADX1, DCF_HAVE_ENA), + CLK_8_1(0, "pc_amx1", mux_a_c2_c_c3_p_N_clkm, CLK_SOURCE_AMX1, DCF_HAVE_ENA), + CLK_8_1(0, "pc_vic", mux_m_c_p_a_c2_c3_clkm, CLK_SOURCE_VIC, DCF_IS_VIC), }; static int periph_init(struct clknode *clk, device_t dev); @@ -528,6 +541,7 @@ static clknode_method_t periph_methods[] = { }; DEFINE_CLASS_1(tegra124_periph, tegra124_periph_class, periph_methods, sizeof(struct periph_sc), clknode_class); + static int periph_init(struct clknode *clk, device_t dev) { @@ -637,14 +651,13 @@ periph_set_freq(struct clknode *clk, uint64_t fin, uint64_t *fout, divider++; if (divider < (1 << sc->div_f_width)) - divider = 1 << sc->div_f_width; - - if ((*stop != 0) && - ((flags & (CLK_SET_ROUND_UP | CLK_SET_ROUND_DOWN)) == 0) && - (*fout != (tmp / divider))) - return (ERANGE); + divider = 1 << (sc->div_f_width - 1); - if ((flags & CLK_SET_DRYRUN) == 0) { + if (flags & CLK_SET_DRYRUN) { + if (((flags & (CLK_SET_ROUND_UP | CLK_SET_ROUND_DOWN)) == 0) && + (*fout != (tmp / divider))) + return (ERANGE); + } else { DEVICE_LOCK(sc); MD4(sc, sc->base_reg, sc->div_mask, (divider - (1 << sc->div_f_width))); @@ -703,9 +716,9 @@ DEFINE_CLASS_1(tegra124_pgate, tegra124_pgate_class, pgate_methods, static uint32_t get_enable_reg(int idx) { - KASSERT(idx / 32 < nitems(clk_enabale_reg), + KASSERT(idx / 32 < nitems(clk_enable_reg), ("Invalid clock index for enable: %d", idx)); - return (clk_enabale_reg[idx / 32]); + return (clk_enable_reg[idx / 32]); } static uint32_t diff --git a/sys/arm/nvidia/tegra124/tegra124_clk_pll.c b/sys/arm/nvidia/tegra124/tegra124_clk_pll.c index 1d89e10..8923455 100644 --- a/sys/arm/nvidia/tegra124/tegra124_clk_pll.c +++ b/sys/arm/nvidia/tegra124/tegra124_clk_pll.c @@ -205,6 +205,16 @@ static struct pdiv_table pllu_map[] = { {0, 0} }; +static struct pdiv_table pllrefe_map[] = { + {1, 0}, + {2, 1}, + {3, 2}, + {4, 3}, + {5, 4}, + {6, 5}, + {0, 0}, +}; + static struct clk_pll_def pll_clks[] = { /* PLLM: 880 MHz Clock source for EMC 2x clock */ { @@ -342,6 +352,7 @@ static struct clk_pll_def pll_clks[] = { .lock_enable = PLLRE_MISC_LOCK_ENABLE, .iddq_reg = PLLRE_MISC, .iddq_mask = 1 << PLLRE_IDDQ_BIT, + .pdiv_table = pllrefe_map, .mnp_bits = {8, 8, 4, 16}, }, /* PLLE: generate the 100 MHz reference clock for USB 3.0 (spread spectrum) */ @@ -433,14 +444,14 @@ pdiv_to_reg(struct pll_sc *sc, uint32_t p_div) tbl = sc->pdiv_table; if (tbl == NULL) - return (ffs(p_div)); + return (ffs(p_div) - 1); while (tbl->divider != 0) { if (p_div <= tbl->divider) return (tbl->value); tbl++; } - return ~0; + return (0xFFFFFFFF); } static uint32_t @@ -449,15 +460,15 @@ reg_to_pdiv(struct pll_sc *sc, uint32_t reg) struct pdiv_table *tbl; tbl = sc->pdiv_table; - if (tbl != NULL) { - while (tbl->divider) { - if (reg == tbl->value) - return (tbl->divider); - tbl++; - } - return (0); + if (tbl == NULL) + return (1 << reg); + + while (tbl->divider) { + if (reg == tbl->value) + return (tbl->divider); + tbl++; } - return (1 << reg); + return (0); } static uint32_t @@ -790,6 +801,7 @@ pllrefe_set_freq(struct pll_sc *sc, uint64_t fin, uint64_t *fout, int flags) m = 1; p = 1; n = *fout * p * m / fin; + dprintf("%s: m: %d, n: %d, p: %d\n", __func__, m, n, p); return (pll_set_std(sc, fin, fout, flags, m, n, p)); } @@ -902,6 +914,7 @@ tegra124_pll_set_freq(struct clknode *clknode, uint64_t fin, uint64_t *fout, rv = ENXIO; break; } + return (rv); } @@ -921,6 +934,11 @@ tegra124_pll_init(struct clknode *clk, device_t dev) reg |= sc->lock_enable; WR4(sc, sc->misc_reg, reg); } + if (sc->type == PLL_REFE) { + RD4(sc, sc->misc_reg, ®); + reg &= ~(1 << 29); /* Diasble lock override */ + WR4(sc, sc->misc_reg, reg); + } clknode_init_parent_idx(clk, 0); return(0); diff --git a/sys/arm/nvidia/tegra_mc.c b/sys/arm/nvidia/tegra_mc.c new file mode 100644 index 0000000..82455ab --- /dev/null +++ b/sys/arm/nvidia/tegra_mc.c @@ -0,0 +1,311 @@ +/*- + * Copyright (c) 2016 Michal Meloun + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +/* + * Memory controller driver for Tegra SoCs. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "clock_if.h" + +#define MC_INTSTATUS 0x000 +#define MC_INTMASK 0x004 +#define MC_INT_DECERR_MTS (1 << 16) +#define MC_INT_SECERR_SEC (1 << 13) +#define MC_INT_DECERR_VPR (1 << 12) +#define MC_INT_INVALID_APB_ASID_UPDATE (1 << 11) +#define MC_INT_INVALID_SMMU_PAGE (1 << 10) +#define MC_INT_ARBITRATION_EMEM (1 << 9) +#define MC_INT_SECURITY_VIOLATION (1 << 8) +#define MC_INT_DECERR_EMEM (1 << 6) +#define MC_INT_INT_MASK (MC_INT_DECERR_MTS | \ + MC_INT_SECERR_SEC | \ + MC_INT_DECERR_VPR | \ + MC_INT_INVALID_APB_ASID_UPDATE | \ + MC_INT_INVALID_SMMU_PAGE | \ + MC_INT_ARBITRATION_EMEM | \ + MC_INT_SECURITY_VIOLATION | \ + MC_INT_DECERR_EMEM) + +#define MC_ERR_STATUS 0x008 +#define MC_ERR_TYPE(x) (((x) >> 28) & 0x7) +#define MC_ERR_TYPE_DECERR_EMEM 2 +#define MC_ERR_TYPE_SECURITY_TRUSTZONE 3 +#define MC_ERR_TYPE_SECURITY_CARVEOUT 4 +#define MC_ERR_TYPE_INVALID_SMMU_PAGE 6 +#define MC_ERR_INVALID_SMMU_PAGE_READABLE (1 << 27) +#define MC_ERR_INVALID_SMMU_PAGE_WRITABLE (1 << 26) +#define MC_ERR_INVALID_SMMU_PAGE_NONSECURE (1 << 25) +#define MC_ERR_ADR_HI(x) (((x) >> 20) & 0x3) +#define MC_ERR_SWAP (1 << 18) +#define MC_ERR_SECURITY (1 << 17) +#define MC_ERR_RW (1 << 16) +#define MC_ERR_ADR1(x) (((x) >> 12) & 0x7) +#define MC_ERR_ID(x) (((x) >> 0) & 07F) + +#define MC_ERR_ADDR 0x00C +#define MC_EMEM_CFG 0x050 +#define MC_EMEM_ADR_CFG 0x054 +#define MC_EMEM_NUMDEV(x) (((x) >> 0 ) & 0x1) + +#define MC_EMEM_ADR_CFG_DEV0 0x058 +#define MC_EMEM_ADR_CFG_DEV1 0x05C +#define EMEM_DEV_DEVSIZE(x) (((x) >> 16) & 0xF) +#define EMEM_DEV_BANKWIDTH(x) (((x) >> 8) & 0x3) +#define EMEM_DEV_COLWIDTH(x) (((x) >> 8) & 0x3) + +#define WR4(_sc, _r, _v) bus_write_4((_sc)->mem_res, (_r), (_v)) +#define RD4(_sc, _r) bus_read_4((_sc)->mem_res, (_r)) + +#define LOCK(_sc) mtx_lock(&(_sc)->mtx) +#define UNLOCK(_sc) mtx_unlock(&(_sc)->mtx) +#define SLEEP(_sc, timeout) mtx_sleep(sc, &sc->mtx, 0, "tegra_mc", timeout); +#define LOCK_INIT(_sc) \ + mtx_init(&_sc->mtx, device_get_nameunit(_sc->dev), "tegra_mc", MTX_DEF) +#define LOCK_DESTROY(_sc) mtx_destroy(&_sc->mtx) +#define ASSERT_LOCKED(_sc) mtx_assert(&_sc->mtx, MA_OWNED) +#define ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->mtx, MA_NOTOWNED) + +static struct ofw_compat_data compat_data[] = { + {"nvidia,tegra124-mc", 1}, + {NULL, 0} +}; + +struct tegra_mc_softc { + device_t dev; + struct mtx mtx; + + struct resource *mem_res; + struct resource *irq_res; + void *irq_h; + + clk_t clk; +}; + +static char *smmu_err_tbl[16] = { + "reserved", /* 0 */ + "reserved", /* 1 */ + "DRAM decode", /* 2 */ + "Trustzome Security", /* 3 */ + "Security carveout", /* 4 */ + "reserved", /* 5 */ + "Invalid SMMU page", /* 6 */ + "reserved", /* 7 */ +}; + +static void +tegra_mc_intr(void *arg) +{ + struct tegra_mc_softc *sc; + uint32_t stat, err; + uint64_t addr; + + sc = (struct tegra_mc_softc *)arg; + + stat = RD4(sc, MC_INTSTATUS); + if ((stat & MC_INT_INT_MASK) == 0) { + WR4(sc, MC_INTSTATUS, stat); + return; + } + + device_printf(sc->dev, "Memory Controller Interrupt:\n"); + if (stat & MC_INT_DECERR_MTS) + printf(" - MTS carveout violation\n"); + if (stat & MC_INT_SECERR_SEC) + printf(" - SEC carveout violation\n"); + if (stat & MC_INT_DECERR_VPR) + printf(" - VPR requirements violated\n"); + if (stat & MC_INT_INVALID_APB_ASID_UPDATE) + printf(" - ivalid APB ASID update\n"); + if (stat & MC_INT_INVALID_SMMU_PAGE) + printf(" - SMMU address translation error\n"); + if (stat & MC_INT_ARBITRATION_EMEM) + printf(" - arbitration deadlock-prevention threshold hit\n"); + if (stat & MC_INT_SECURITY_VIOLATION) + printf(" - SMMU address translation security error\n"); + if (stat & MC_INT_DECERR_EMEM) + printf(" - SMMU address decode error\n"); + + if ((stat & (MC_INT_INVALID_SMMU_PAGE | MC_INT_SECURITY_VIOLATION | + MC_INT_DECERR_EMEM)) != 0) { + err = RD4(sc, MC_ERR_STATUS); + addr = RD4(sc, MC_ERR_STATUS); + addr |= (uint64_t)(MC_ERR_ADR_HI(err)) << 32; + printf(" at 0x%012llX [%s %s %s] - %s error.\n", + addr, + stat & MC_ERR_SWAP ? "Swap, " : "", + stat & MC_ERR_SECURITY ? "Sec, " : "", + stat & MC_ERR_RW ? "Write" : "Read", + smmu_err_tbl[MC_ERR_TYPE(err)]); + } + WR4(sc, MC_INTSTATUS, stat); +} + +static void +tegra_mc_init_hw(struct tegra_mc_softc *sc) +{ + + /* Disable and acknowledge all interrupts */ + WR4(sc, MC_INTMASK, 0); + WR4(sc, MC_INTSTATUS, MC_INT_INT_MASK); +} + +static int +tegra_mc_probe(device_t dev) +{ + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) + return (ENXIO); + device_set_desc(dev, "Tegra Memory Controller"); + return (BUS_PROBE_DEFAULT); +} + +static int +tegra_mc_attach(device_t dev) +{ + int rv, rid; + struct tegra_mc_softc *sc; + + sc = device_get_softc(dev); + sc->dev = dev; + + LOCK_INIT(sc); + + /* Get the memory resource for the register mapping. */ + rid = 0; + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (sc->mem_res == NULL) { + device_printf(dev, "Cannot map registers.\n"); + rv = ENXIO; + goto fail; + } + + /* Allocate our IRQ resource. */ + rid = 0; + sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, + RF_ACTIVE); + if (sc->irq_res == NULL) { + device_printf(dev, "Cannot allocate interrupt.\n"); + rv = ENXIO; + goto fail; + } + + /* OFW resources. */ + rv = clk_get_by_ofw_name(dev, 0, "mc", &sc->clk); + if (rv != 0) { + device_printf(dev, "Cannot get mc clock: %d\n", rv); + goto fail; + } + rv = clk_enable(sc->clk); + if (rv != 0) { + device_printf(dev, "Cannot enable clock: %d\n", rv); + goto fail; + } + + /* Init hardware. */ + tegra_mc_init_hw(sc); + + /* Setup interrupt */ + rv = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC | INTR_MPSAFE, + NULL, tegra_mc_intr, sc, &sc->irq_h); + if (rv) { + device_printf(dev, "Cannot setup interrupt.\n"); + goto fail; + } + + /* Enable Interrupts */ + WR4(sc, MC_INTMASK, MC_INT_INT_MASK); + + return (bus_generic_attach(dev)); + +fail: + if (sc->clk != NULL) + clk_release(sc->clk); + if (sc->irq_h != NULL) + bus_teardown_intr(dev, sc->irq_res, sc->irq_h); + if (sc->irq_res != NULL) + bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res); + if (sc->mem_res != NULL) + bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res); + LOCK_DESTROY(sc); + + return (rv); +} + +static int +tegra_mc_detach(device_t dev) +{ + struct tegra_mc_softc *sc; + + sc = device_get_softc(dev); + if (sc->irq_h != NULL) + bus_teardown_intr(dev, sc->irq_res, sc->irq_h); + if (sc->irq_res != NULL) + bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res); + if (sc->mem_res != NULL) + bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res); + + LOCK_DESTROY(sc); + return (bus_generic_detach(dev)); +} + +static device_method_t tegra_mc_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, tegra_mc_probe), + DEVMETHOD(device_attach, tegra_mc_attach), + DEVMETHOD(device_detach, tegra_mc_detach), + + + DEVMETHOD_END +}; + +static devclass_t tegra_mc_devclass; +static DEFINE_CLASS_0(mc, tegra_mc_driver, tegra_mc_methods, + sizeof(struct tegra_mc_softc)); +DRIVER_MODULE(tegra_mc, simplebus, tegra_mc_driver, tegra_mc_devclass, + NULL, NULL); -- cgit v1.1