diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/clock.c')
| -rw-r--r-- | src/soc/nvidia/tegra132/clock.c | 66 |
1 files changed, 23 insertions, 43 deletions
diff --git a/src/soc/nvidia/tegra132/clock.c b/src/soc/nvidia/tegra132/clock.c index 661d38a55d..4cd8a5886d 100644 --- a/src/soc/nvidia/tegra132/clock.c +++ b/src/soc/nvidia/tegra132/clock.c @@ -186,11 +186,11 @@ void clock_init_arm_generic_timer(void) set_cntfrq(freq); /* Record the system timer frequency. */ - write32(freq, &sysctr->cntfid0); + writel(freq, &sysctr->cntfid0); /* Enable the system counter. */ uint32_t cntcr = read32(&sysctr->cntcr); cntcr |= SYSCTR_CNTCR_EN | SYSCTR_CNTCR_HDBG; - write32(cntcr, &sysctr->cntcr); + writel(cntcr, &sysctr->cntcr); } #define SOR0_CLK_SEL0 (1 << 14) @@ -243,25 +243,14 @@ static void init_utmip_pll(void) clrbits_le32(CLK_RST_REG(utmip_pll_cfg2), 1 << 30); /* PHY_XTAL_CLKEN */ udelay(1); - write32(80 << 16 | /* (rst) phy_divn */ - 1 << 8 | /* (rst) phy_divm */ - 0, CLK_RST_REG(utmip_pll_cfg0));/* 960MHz * 1 / 80 == 12 MHz */ + writel(80 << 16 | 1 << 8 | 0, CLK_RST_REG(utmip_pll_cfg0));/* 960MHz * 1 / 80 == 12 MHz */ - write32(div_round_up(khz, 8000) << 27 | /* pllu_enbl_cnt / 8 (1us) */ - 0 << 16 | /* PLLU pwrdn */ - 0 << 14 | /* pll_enable pwrdn */ - 0 << 12 | /* pll_active pwrdn */ - div_round_up(khz, 102) << 0 | /* phy_stbl_cnt / 256 (2.5ms) */ - 0, CLK_RST_REG(utmip_pll_cfg1)); + writel(div_round_up(khz, 8000) << 27 | 0 << 16 | 0 << 14 | 0 << 12 | div_round_up(khz, 102) << 0 | 0, + CLK_RST_REG(utmip_pll_cfg1)); /* TODO: TRM can't decide if actv is 5us or 10us, keep an eye on it */ - write32(0 << 24 | /* SAMP_D/XDEV pwrdn */ - div_round_up(khz, 3200) << 18 | /* phy_actv_cnt / 16 (5us) */ - div_round_up(khz, 256) << 6 | /* pllu_stbl_cnt / 256 (1ms) */ - 0 << 4 | /* SAMP_C/USB3 pwrdn */ - 0 << 2 | /* SAMP_B/XHOST pwrdn */ - 0 << 0 | /* SAMP_A/USBD pwrdn */ - 0, CLK_RST_REG(utmip_pll_cfg2)); + writel(0 << 24 | div_round_up(khz, 3200) << 18 | div_round_up(khz, 256) << 6 | 0 << 4 | 0 << 2 | 0 << 0 | 0, + CLK_RST_REG(utmip_pll_cfg2)); setbits_le32(CLK_RST_REG(utmip_pll_cfg2), 1 << 30); /* PHY_XTAL_CLKEN */ } @@ -398,9 +387,8 @@ u32 clock_configure_plld(u32 frequency) * been determined through trial and error (must lead to div 13 at 24MHz). */ void clock_early_uart(void) { - write32(CLK_SRC_DEV_ID(UARTA, CLK_M) << CLK_SOURCE_SHIFT | - CLK_UART_DIV_OVERRIDE | - CLK_DIVIDER(TEGRA_CLK_M_KHZ, 1900), CLK_RST_REG(clk_src_uarta)); + writel(CLK_SRC_DEV_ID(UARTA, CLK_M) << CLK_SOURCE_SHIFT | CLK_UART_DIV_OVERRIDE | CLK_DIVIDER(TEGRA_CLK_M_KHZ, 1900), + CLK_RST_REG(clk_src_uarta)); clock_enable_clear_reset_l(CLK_L_UARTA); } @@ -503,8 +491,8 @@ void clock_cpu0_config(void) */ do { if (readl(&clst_clk->misc_ctrl) & CLK_SWITCH_MATCH) { - write32((CC_CCLK_BRST_POL_PLLX_OUT0_LJ << 28), - &clst_clk->cclk_brst_pol); + writel((CC_CCLK_BRST_POL_PLLX_OUT0_LJ << 28), + &clst_clk->cclk_brst_pol); break; } @@ -524,9 +512,8 @@ void clock_cpu0_config(void) void clock_halt_avp(void) { for (;;) - write32(FLOW_EVENT_JTAG | FLOW_EVENT_LIC_IRQ | - FLOW_EVENT_GIC_IRQ | FLOW_MODE_WAITEVENT, - &flow->halt_cop_events); + writel(FLOW_EVENT_JTAG | FLOW_EVENT_LIC_IRQ | FLOW_EVENT_GIC_IRQ | FLOW_MODE_WAITEVENT, + &flow->halt_cop_events); } void clock_init(void) @@ -542,13 +529,12 @@ void clock_init(void) /* Typical ratios are 1:2:2 or 1:2:3 sclk:hclk:pclk (See: APB DMA * features section in the TRM). */ - write32(1 << HCLK_DIVISOR_SHIFT | 0 << PCLK_DIVISOR_SHIFT, - CLK_RST_REG(clk_sys_rate)); /* pclk = hclk = sclk/2 */ - write32(CLK_DIVIDER(TEGRA_PLLC_KHZ, 300000) << PLL_OUT_RATIO_SHIFT | - PLL_OUT_CLKEN | PLL_OUT_RSTN, CLK_RST_REG(pllc_out)); - write32(SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT | - SCLK_SOURCE_PLLC_OUT1 << SCLK_RUN_SHIFT, - CLK_RST_REG(sclk_brst_pol)); /* sclk = 300 MHz */ + writel(1 << HCLK_DIVISOR_SHIFT | 0 << PCLK_DIVISOR_SHIFT, + CLK_RST_REG(clk_sys_rate)); /* pclk = hclk = sclk/2 */ + writel(CLK_DIVIDER(TEGRA_PLLC_KHZ, 300000) << PLL_OUT_RATIO_SHIFT | PLL_OUT_CLKEN | PLL_OUT_RSTN, + CLK_RST_REG(pllc_out)); + writel(SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT | SCLK_SOURCE_PLLC_OUT1 << SCLK_RUN_SHIFT, + CLK_RST_REG(sclk_brst_pol)); /* sclk = 300 MHz */ /* Change the oscillator drive strength (from U-Boot -- why?) */ clrsetbits_le32(CLK_RST_REG(osc_ctrl), OSC_XOFS_MASK, @@ -563,16 +549,10 @@ void clock_init(void) OSC_DRIVE_STRENGTH << PMC_OSC_EDPD_OVER_XOFS_SHIFT); /* Set up PLLP_OUT(1|2|3|4) divisor to generate (9.6|48|102|204)MHz */ - write32((CLK_DIVIDER(TEGRA_PLLP_KHZ, 9600) << PLL_OUT_RATIO_SHIFT | - PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT1_SHIFT | - (CLK_DIVIDER(TEGRA_PLLP_KHZ, 48000) << PLL_OUT_RATIO_SHIFT | - PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT2_SHIFT, - CLK_RST_REG(pllp_outa)); - write32((CLK_DIVIDER(TEGRA_PLLP_KHZ, 102000) << PLL_OUT_RATIO_SHIFT | - PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT3_SHIFT | - (CLK_DIVIDER(TEGRA_PLLP_KHZ, 204000) << PLL_OUT_RATIO_SHIFT | - PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT4_SHIFT, - CLK_RST_REG(pllp_outb)); + writel((CLK_DIVIDER(TEGRA_PLLP_KHZ, 9600) << PLL_OUT_RATIO_SHIFT | PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT1_SHIFT | (CLK_DIVIDER(TEGRA_PLLP_KHZ, 48000) << PLL_OUT_RATIO_SHIFT | PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT2_SHIFT, + CLK_RST_REG(pllp_outa)); + writel((CLK_DIVIDER(TEGRA_PLLP_KHZ, 102000) << PLL_OUT_RATIO_SHIFT | PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT3_SHIFT | (CLK_DIVIDER(TEGRA_PLLP_KHZ, 204000) << PLL_OUT_RATIO_SHIFT | PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT4_SHIFT, + CLK_RST_REG(pllp_outb)); /* init pllu */ init_pll(CLK_RST_REG(pllu_base), CLK_RST_REG(pllu_misc), |