From ee9447bfe37a646a8dce182e6f625f27c10512a0 Mon Sep 17 00:00:00 2001 From: SRICHARAN R Date: Mon, 4 Feb 2013 04:22:01 +0000 Subject: ARM: OMAP4+: Cleanup the clocks layer Currently there is quite a lot of code which is duplicated in the clocks code for OMAP 4 and 5 Socs. Avoiding this here by moving the clocks data to a SOC specific place and the sharing the common code. This helps in addition of a new Soc with minimal changes. Signed-off-by: R Sricharan Signed-off-by: Lokesh Vutla Reviewed-by: Tom Rini --- arch/arm/cpu/armv7/omap5/hw_data.c | 355 +++++++++++++++++++++++++++++++++++++ 1 file changed, 355 insertions(+) (limited to 'arch/arm/cpu/armv7/omap5/hw_data.c') diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 0f1234c1eb..df375f99a6 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -27,12 +27,367 @@ */ #include #include +#include #include +#include +#include struct prcm_regs const **prcm = (struct prcm_regs const **) OMAP_SRAM_SCRATCH_PRCM_PTR; +struct dplls const **dplls_data = + (struct dplls const **) OMAP_SRAM_SCRATCH_DPLLS_PTR; + +static const struct dpll_params mpu_dpll_params_1_5ghz[NUM_SYS_CLKS] = { + {125, 0, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {625, 6, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {625, 7, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {750, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {625, 15, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params mpu_dpll_params_2ghz[NUM_SYS_CLKS] = { + {500, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {2024, 16, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {625, 5, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {1000, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {625, 11, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params mpu_dpll_params_1100mhz[NUM_SYS_CLKS] = { + {275, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {1375, 20, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {1375, 23, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {550, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {1375, 47, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params mpu_dpll_params_800mhz[NUM_SYS_CLKS] = { + {200, 2, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {1000, 20, 1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {375, 8, 1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {400, 12, 1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {375, 17, 1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params mpu_dpll_params_400mhz[NUM_SYS_CLKS] = { + {200, 2, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {1000, 20, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {375, 8, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {400, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {375, 17, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params mpu_dpll_params_550mhz[NUM_SYS_CLKS] = { + {275, 2, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {1375, 20, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {1375, 23, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {550, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {1375, 47, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params + core_dpll_params_2128mhz_ddr532[NUM_SYS_CLKS] = { + {266, 2, 2, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {570, 8, 2, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */ + {665, 11, 2, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */ + {532, 12, 2, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {665, 23, 2, 5, 8, 4, 62, 5, 5, 7} /* 38.4 MHz */ +}; + +static const struct dpll_params + core_dpll_params_2128mhz_ddr266[NUM_SYS_CLKS] = { + {266, 2, 4, 5, 8, 8, 62, 10, 10, 14}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {570, 8, 4, 5, 8, 8, 62, 10, 10, 14}, /* 16.8 MHz */ + {665, 11, 4, 5, 8, 8, 62, 10, 10, 14}, /* 19.2 MHz */ + {532, 12, 4, 8, 8, 8, 62, 10, 10, 14}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {665, 23, 4, 8, 8, 8, 62, 10, 10, 14} /* 38.4 MHz */ +}; + +static const struct dpll_params per_dpll_params_768mhz[NUM_SYS_CLKS] = { + {32, 0, 4, 3, 6, 4, -1, 2, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {160, 6, 4, 3, 6, 4, -1, 2, -1, -1}, /* 16.8 MHz */ + {20, 0, 4, 3, 6, 4, -1, 2, -1, -1}, /* 19.2 MHz */ + {192, 12, 4, 3, 6, 4, -1, 2, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {10, 0, 4, 3, 6, 4, -1, 2, -1, -1} /* 38.4 MHz */ +}; + +static const struct dpll_params iva_dpll_params_2330mhz[NUM_SYS_CLKS] = { + {1165, 11, -1, -1, 5, 6, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {2011, 28, -1, -1, 5, 6, -1, -1, -1, -1}, /* 16.8 MHz */ + {1881, 30, -1, -1, 5, 6, -1, -1, -1, -1}, /* 19.2 MHz */ + {1165, 25, -1, -1, 5, 6, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {1972, 64, -1, -1, 5, 6, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +/* ABE M & N values with sys_clk as source */ +static const struct dpll_params + abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = { + {49, 5, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {35, 5, 1, 1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {46, 8, 1, 1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {34, 8, 1, 1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {64, 24, 1, 1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +/* ABE M & N values with 32K clock as source */ +static const struct dpll_params abe_dpll_params_32k_196608khz = { + 750, 0, 1, 1, -1, -1, -1, -1, -1, -1 +}; + +static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = { + {400, 4, 2, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {400, 6, 2, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {400, 7, 2, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {480, 12, 2, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {400, 15, 2, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ +}; + +struct dplls omap5_dplls_es1 = { + .mpu = mpu_dpll_params_800mhz, + .core = core_dpll_params_2128mhz_ddr532, + .per = per_dpll_params_768mhz, + .iva = iva_dpll_params_2330mhz, +#ifdef CONFIG_SYS_OMAP_ABE_SYSCK + .abe = abe_dpll_params_sysclk_196608khz, +#else + .abe = &abe_dpll_params_32k_196608khz, +#endif + .usb = usb_dpll_params_1920mhz +}; + +/* + * Enable essential clock domains, modules and + * do some additional special settings needed + */ +void enable_basic_clocks(void) +{ + u32 const clk_domains_essential[] = { + (*prcm)->cm_l4per_clkstctrl, + (*prcm)->cm_l3init_clkstctrl, + (*prcm)->cm_memif_clkstctrl, + (*prcm)->cm_l4cfg_clkstctrl, + 0 + }; + + u32 const clk_modules_hw_auto_essential[] = { + (*prcm)->cm_l3_2_gpmc_clkctrl, + (*prcm)->cm_memif_emif_1_clkctrl, + (*prcm)->cm_memif_emif_2_clkctrl, + (*prcm)->cm_l4cfg_l4_cfg_clkctrl, + (*prcm)->cm_wkup_gpio1_clkctrl, + (*prcm)->cm_l4per_gpio2_clkctrl, + (*prcm)->cm_l4per_gpio3_clkctrl, + (*prcm)->cm_l4per_gpio4_clkctrl, + (*prcm)->cm_l4per_gpio5_clkctrl, + (*prcm)->cm_l4per_gpio6_clkctrl, + 0 + }; + + u32 const clk_modules_explicit_en_essential[] = { + (*prcm)->cm_wkup_gptimer1_clkctrl, + (*prcm)->cm_l3init_hsmmc1_clkctrl, + (*prcm)->cm_l3init_hsmmc2_clkctrl, + (*prcm)->cm_l4per_gptimer2_clkctrl, + (*prcm)->cm_wkup_wdtimer2_clkctrl, + (*prcm)->cm_l4per_uart3_clkctrl, + (*prcm)->cm_l4per_i2c1_clkctrl, + 0 + }; + + /* Enable optional additional functional clock for GPIO4 */ + setbits_le32((*prcm)->cm_l4per_gpio4_clkctrl, + GPIO4_CLKCTRL_OPTFCLKEN_MASK); + + /* Enable 96 MHz clock for MMC1 & MMC2 */ + setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl, + HSMMC_CLKCTRL_CLKSEL_MASK); + setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl, + HSMMC_CLKCTRL_CLKSEL_MASK); + + /* Set the correct clock dividers for mmc */ + setbits_le32((*prcm)->cm_l3init_hsmmc1_clkctrl, + HSMMC_CLKCTRL_CLKSEL_DIV_MASK); + setbits_le32((*prcm)->cm_l3init_hsmmc2_clkctrl, + HSMMC_CLKCTRL_CLKSEL_DIV_MASK); + + /* Select 32KHz clock as the source of GPTIMER1 */ + setbits_le32((*prcm)->cm_wkup_gptimer1_clkctrl, + GPTIMER1_CLKCTRL_CLKSEL_MASK); + + do_enable_clocks(clk_domains_essential, + clk_modules_hw_auto_essential, + clk_modules_explicit_en_essential, + 1); + + /* Select 384Mhz for GPU as its the POR for ES1.0 */ + setbits_le32((*prcm)->cm_sgx_sgx_clkctrl, + CLKSEL_GPU_HYD_GCLK_MASK); + setbits_le32((*prcm)->cm_sgx_sgx_clkctrl, + CLKSEL_GPU_CORE_GCLK_MASK); + + /* Enable SCRM OPT clocks for PER and CORE dpll */ + setbits_le32((*prcm)->cm_wkupaon_scrm_clkctrl, + OPTFCLKEN_SCRM_PER_MASK); + setbits_le32((*prcm)->cm_wkupaon_scrm_clkctrl, + OPTFCLKEN_SCRM_CORE_MASK); +} + +void enable_basic_uboot_clocks(void) +{ + u32 const clk_domains_essential[] = { + 0 + }; + + u32 const clk_modules_hw_auto_essential[] = { + 0 + }; + + u32 const clk_modules_explicit_en_essential[] = { + (*prcm)->cm_l4per_mcspi1_clkctrl, + (*prcm)->cm_l4per_i2c2_clkctrl, + (*prcm)->cm_l4per_i2c3_clkctrl, + (*prcm)->cm_l4per_i2c4_clkctrl, + (*prcm)->cm_l3init_hsusbtll_clkctrl, + (*prcm)->cm_l3init_hsusbhost_clkctrl, + (*prcm)->cm_l3init_fsusb_clkctrl, + 0 + }; + + do_enable_clocks(clk_domains_essential, + clk_modules_hw_auto_essential, + clk_modules_explicit_en_essential, + 1); +} + +/* + * Enable non-essential clock domains, modules and + * do some additional special settings needed + */ +void enable_non_essential_clocks(void) +{ + u32 const clk_domains_non_essential[] = { + (*prcm)->cm_mpu_m3_clkstctrl, + (*prcm)->cm_ivahd_clkstctrl, + (*prcm)->cm_dsp_clkstctrl, + (*prcm)->cm_dss_clkstctrl, + (*prcm)->cm_sgx_clkstctrl, + (*prcm)->cm1_abe_clkstctrl, + (*prcm)->cm_c2c_clkstctrl, + (*prcm)->cm_cam_clkstctrl, + (*prcm)->cm_dss_clkstctrl, + (*prcm)->cm_sdma_clkstctrl, + 0 + }; + + u32 const clk_modules_hw_auto_non_essential[] = { + (*prcm)->cm_mpu_m3_mpu_m3_clkctrl, + (*prcm)->cm_ivahd_ivahd_clkctrl, + (*prcm)->cm_ivahd_sl2_clkctrl, + (*prcm)->cm_dsp_dsp_clkctrl, + (*prcm)->cm_l3instr_l3_3_clkctrl, + (*prcm)->cm_l3instr_l3_instr_clkctrl, + (*prcm)->cm_l3instr_intrconn_wp1_clkctrl, + (*prcm)->cm_l3init_hsi_clkctrl, + (*prcm)->cm_l4per_hdq1w_clkctrl, + 0 + }; + + u32 const clk_modules_explicit_en_non_essential[] = { + (*prcm)->cm1_abe_aess_clkctrl, + (*prcm)->cm1_abe_pdm_clkctrl, + (*prcm)->cm1_abe_dmic_clkctrl, + (*prcm)->cm1_abe_mcasp_clkctrl, + (*prcm)->cm1_abe_mcbsp1_clkctrl, + (*prcm)->cm1_abe_mcbsp2_clkctrl, + (*prcm)->cm1_abe_mcbsp3_clkctrl, + (*prcm)->cm1_abe_slimbus_clkctrl, + (*prcm)->cm1_abe_timer5_clkctrl, + (*prcm)->cm1_abe_timer6_clkctrl, + (*prcm)->cm1_abe_timer7_clkctrl, + (*prcm)->cm1_abe_timer8_clkctrl, + (*prcm)->cm1_abe_wdt3_clkctrl, + (*prcm)->cm_l4per_gptimer9_clkctrl, + (*prcm)->cm_l4per_gptimer10_clkctrl, + (*prcm)->cm_l4per_gptimer11_clkctrl, + (*prcm)->cm_l4per_gptimer3_clkctrl, + (*prcm)->cm_l4per_gptimer4_clkctrl, + (*prcm)->cm_l4per_mcspi2_clkctrl, + (*prcm)->cm_l4per_mcspi3_clkctrl, + (*prcm)->cm_l4per_mcspi4_clkctrl, + (*prcm)->cm_l4per_mmcsd3_clkctrl, + (*prcm)->cm_l4per_mmcsd4_clkctrl, + (*prcm)->cm_l4per_mmcsd5_clkctrl, + (*prcm)->cm_l4per_uart1_clkctrl, + (*prcm)->cm_l4per_uart2_clkctrl, + (*prcm)->cm_l4per_uart4_clkctrl, + (*prcm)->cm_wkup_keyboard_clkctrl, + (*prcm)->cm_wkup_wdtimer2_clkctrl, + (*prcm)->cm_cam_iss_clkctrl, + (*prcm)->cm_cam_fdif_clkctrl, + (*prcm)->cm_dss_dss_clkctrl, + (*prcm)->cm_sgx_sgx_clkctrl, + 0 + }; + + /* Enable optional functional clock for ISS */ + setbits_le32((*prcm)->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK); + + /* Enable all optional functional clocks of DSS */ + setbits_le32((*prcm)->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK); + + do_enable_clocks(clk_domains_non_essential, + clk_modules_hw_auto_non_essential, + clk_modules_explicit_en_non_essential, + 0); + + /* Put camera module in no sleep mode */ + clrsetbits_le32((*prcm)->cm_cam_clkstctrl, + MODULE_CLKCTRL_MODULEMODE_MASK, + CD_CLKCTRL_CLKTRCTRL_NO_SLEEP << + MODULE_CLKCTRL_MODULEMODE_SHIFT); +} void hw_data_init(void) { + u32 omap_rev = omap_revision(); + + switch (omap_rev) { + + case OMAP5430_ES1_0: *prcm = &omap5_es1_prcm; + *dplls_data = &omap5_dplls_es1; + break; + + case OMAP5432_ES1_0: + *prcm = &omap5_es1_prcm; + *dplls_data = &omap5_dplls_es1; + break; + + default: + printf("\n INVALID OMAP REVISION "); + } } -- cgit v1.2.1