index dd882a202e787539e6370b8160b4b166c6f0f79a..da5b3acf1e102d3fc2e0628a521b9cee67d77345 100644 (file)
#include <asm/arch/sys_proto.h>
#include <asm/utils.h>
#include <asm/omap_gpio.h>
+#include <asm/emif.h>
#ifndef CONFIG_SPL_BUILD
/*
#define puts(s)
#endif
-struct omap5_prcm_regs *const prcm = (struct omap5_prcm_regs *)0x4A004100;
-
-const u32 sys_clk_array[8] = {
- 12000000, /* 12 MHz */
- 0, /* NA */
- 16800000, /* 16.8 MHz */
- 19200000, /* 19.2 MHz */
- 26000000, /* 26 MHz */
- 0, /* NA */
- 38400000, /* 38.4 MHz */
-};
-
-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_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, 1, 5, 8, 4, 62, 5, 5, 7}, /* 12 MHz */
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
- {570, 8, 1, 5, 8, 4, 62, 5, 5, 7}, /* 16.8 MHz */
- {665, 11, 1, 5, 8, 4, 62, 5, 5, 7}, /* 19.2 MHz */
- {532, 12, 1, 5, 8, 4, 62, 5, 5, 7}, /* 26 MHz */
- {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
- {665, 23, 1, 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, 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 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] = {
- {931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */
- {931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */
- {665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */
- {727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */
- {931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */
- {931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */
- {412, 16, -1, -1, 4, 7, -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}, /* 12 MHz */
- {68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */
- {35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */
- {46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */
- {34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */
- {29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */
- {64, 24, 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
-};
-
-static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
- {80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */
- {960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */
- {400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */
- {50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */
- {480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */
- {320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */
- {25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */
-};
-
-void setup_post_dividers(u32 *const base, const struct dpll_params *params)
-{
- struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
-
- /* Setup post-dividers */
- if (params->m2 >= 0)
- writel(params->m2, &dpll_regs->cm_div_m2_dpll);
- if (params->m3 >= 0)
- writel(params->m3, &dpll_regs->cm_div_m3_dpll);
- if (params->h11 >= 0)
- writel(params->h11, &dpll_regs->cm_div_h11_dpll);
- if (params->h12 >= 0)
- writel(params->h12, &dpll_regs->cm_div_h12_dpll);
- if (params->h13 >= 0)
- writel(params->h13, &dpll_regs->cm_div_h13_dpll);
- if (params->h14 >= 0)
- writel(params->h14, &dpll_regs->cm_div_h14_dpll);
- if (params->h22 >= 0)
- writel(params->h22, &dpll_regs->cm_div_h22_dpll);
- if (params->h23 >= 0)
- writel(params->h23, &dpll_regs->cm_div_h23_dpll);
-}
-
-const struct dpll_params *get_mpu_dpll_params(void)
-{
- u32 sysclk_ind = get_sys_clk_index();
- return &mpu_dpll_params_1100mhz[sysclk_ind];
-}
-
-const struct dpll_params *get_core_dpll_params(void)
-{
- u32 sysclk_ind = get_sys_clk_index();
-
- /* Configuring the DDR to be at 532mhz */
- return &core_dpll_params_2128mhz_ddr266[sysclk_ind];
-
-}
-
-const struct dpll_params *get_per_dpll_params(void)
-{
- u32 sysclk_ind = get_sys_clk_index();
- return &per_dpll_params_768mhz[sysclk_ind];
-}
-
-const struct dpll_params *get_iva_dpll_params(void)
-{
- u32 sysclk_ind = get_sys_clk_index();
- return &iva_dpll_params_2330mhz[sysclk_ind];
-}
-
-const struct dpll_params *get_usb_dpll_params(void)
-{
- u32 sysclk_ind = get_sys_clk_index();
- return &usb_dpll_params_1920mhz[sysclk_ind];
-}
-
-const struct dpll_params *get_abe_dpll_params(void)
-{
-#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
- u32 sysclk_ind = get_sys_clk_index();
- return &abe_dpll_params_sysclk_196608khz[sysclk_ind];
-#else
- return &abe_dpll_params_32k_196608khz;
-#endif
-}
-
/*
* Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
* We set the maximum voltages allowed here because Smart-Reflex is not
*/
void scale_vcores(void)
{
- u32 volt;
-
- setup_sri2c();
-
- /* Enable 1.22V from TPS for vdd_mpu */
- volt = 1220;
- do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt);
-
- /* VCORE 1 - for vdd_core */
- volt = 1000;
- do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
-
- /* VCORE 2 - for vdd_MM */
- volt = 1125;
- do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
-}
-
-/*
- * 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_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);
-
- /* 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);
-}
-
-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,
- 0
- };
-
- do_enable_clocks(clk_domains_essential,
- clk_modules_hw_auto_essential,
- clk_modules_explicit_en_essential,
- 1);
+ u32 volt_core, volt_mpu, volt_mm;
+
+ omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ);
+
+ /* Palmas settings */
+ if (omap_revision() != OMAP5432_ES1_0) {
+ volt_core = VDD_CORE;
+ volt_mpu = VDD_MPU;
+ volt_mm = VDD_MM;
+ } else {
+ volt_core = VDD_CORE_5432;
+ volt_mpu = VDD_MPU_5432;
+ volt_mm = VDD_MM_5432;
+ }
+
+ do_scale_vcore(SMPS_REG_ADDR_8_CORE, volt_core);
+ do_scale_vcore(SMPS_REG_ADDR_12_MPU, volt_mpu);
+ do_scale_vcore(SMPS_REG_ADDR_45_IVA, volt_mm);
+
+ if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) {
+ /* Configure LDO SRAM "magic" bits */
+ writel(2, (*prcm)->prm_sldo_core_setup);
+ writel(2, (*prcm)->prm_sldo_mpu_setup);
+ writel(2, (*prcm)->prm_sldo_mm_setup);
+ }
}
-/*
- * Enable non-essential clock domains, modules and
- * do some additional special settings needed
- */
-void enable_non_essential_clocks(void)
+u32 get_offset_code(u32 volt_offset)
{
- 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_l3_2_gpmc_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_l3init_hsusbtll_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_hdq1w_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,
- &prcm->cm_l3init_hsusbhost_clkctrl,
- &prcm->cm_l3init_fsusb_clkctrl,
- 0
- };
-
- /* Enable optional functional clock for ISS */
- setbits_le32(&prcm->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
+ u32 offset_code, step = 10000; /* 10 mV represented in uV */
- /* Enable all optional functional clocks of DSS */
- setbits_le32(&prcm->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
+ volt_offset -= PALMAS_SMPS_BASE_VOLT_UV;
- do_enable_clocks(clk_domains_non_essential,
- clk_modules_hw_auto_non_essential,
- clk_modules_explicit_en_non_essential,
- 0);
+ offset_code = (volt_offset + step - 1) / step;
- /* 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);
+ /*
+ * Offset codes 1-6 all give the base voltage in Palmas
+ * Offset code 0 switches OFF the SMPS
+ */
+ return offset_code + 6;
}