diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/generic.c | 48 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx35/crm_regs.h | 42 |
2 files changed, 31 insertions, 59 deletions
diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c index de7503c015..e4b07d0744 100644 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -174,17 +174,14 @@ static u32 get_ipg_per_clk(void) u32 pdr4 = readl(&ccm->pdr4); u32 div; if (pdr0 & MXC_CCM_PDR0_PER_SEL) { - div = (CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_PER0_PRDF_MASK, - MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1) * - (CCM_GET_DIVIDER(pdr4, + div = CCM_GET_DIVIDER(pdr4, MXC_CCM_PDR4_PER0_PODF_MASK, - MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1); + MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1; } else { div = CCM_GET_DIVIDER(pdr0, MXC_CCM_PDR0_PER_PODF_MASK, MXC_CCM_PDR0_PER_PODF_OFFSET) + 1; - freq /= get_ahb_div(pdr0); + div *= get_ahb_div(pdr0); } return freq / div; } @@ -202,19 +199,16 @@ u32 imx_get_uartclk(void) freq = decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ); } - freq /= ((CCM_GET_DIVIDER(pdr4, - MXC_CCM_PDR4_UART_PRDF_MASK, - MXC_CCM_PDR4_UART_PRDF_OFFSET) + 1) * - (CCM_GET_DIVIDER(pdr4, + freq /= CCM_GET_DIVIDER(pdr4, MXC_CCM_PDR4_UART_PODF_MASK, - MXC_CCM_PDR4_UART_PODF_OFFSET) + 1)); + MXC_CCM_PDR4_UART_PODF_OFFSET) + 1; return freq; } unsigned int mxc_get_main_clock(enum mxc_main_clock clk) { u32 nfc_pdf, hsp_podf; - u32 pll, ret_val = 0, usb_prdf, usb_podf; + u32 pll, ret_val = 0, usb_podf; struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE; @@ -258,8 +252,7 @@ unsigned int mxc_get_main_clock(enum mxc_main_clock clk) ret_val = pll / (nfc_pdf + 1); break; case USB_CLK: - usb_prdf = (reg4 >> 25) & 0x7; - usb_podf = (reg4 >> 22) & 0x7; + usb_podf = (reg4 >> 22) & 0x3F; if (reg4 & 0x200) { pll = get_mcu_main_clk(); } else { @@ -267,7 +260,7 @@ unsigned int mxc_get_main_clock(enum mxc_main_clock clk) CONFIG_MX35_HCLK_FREQ); } - ret_val = pll / ((usb_prdf + 1) * (usb_podf + 1)); + ret_val = pll / (usb_podf + 1); break; default: printf("Unknown clock: %d\n", clk); @@ -290,11 +283,10 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk) case UART2_BAUD: case UART3_BAUD: clk_sel = mpdr3 & (1 << 14); - pre_pdf = (mpdr4 >> 13) & 0x7; - pdf = (mpdr4 >> 10) & 0x7; + pdf = (mpdr4 >> 10) & 0x3F; ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); + (pdf + 1); break; case SSI1_BAUD: pre_pdf = (mpdr2 >> 24) & 0x7; @@ -314,11 +306,10 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk) break; case CSI_BAUD: clk_sel = mpdr2 & (1 << 7); - pre_pdf = (mpdr2 >> 16) & 0x7; - pdf = (mpdr2 >> 19) & 0x7; + pdf = (mpdr2 >> 16) & 0x3F; ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); + (pdf + 1); break; case MSHC_CLK: pre_pdf = readl(&ccm->pdr1); @@ -331,27 +322,24 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk) break; case ESDHC1_CLK: clk_sel = mpdr3 & 0x40; - pre_pdf = mpdr3 & 0x7; - pdf = (mpdr3>>3) & 0x7; + pdf = mpdr3 & 0x3F; ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); + (pdf + 1); break; case ESDHC2_CLK: clk_sel = mpdr3 & 0x40; - pre_pdf = (mpdr3 >> 8) & 0x7; - pdf = (mpdr3 >> 11) & 0x7; + pdf = (mpdr3 >> 8) & 0x3F; ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); + (pdf + 1); break; case ESDHC3_CLK: clk_sel = mpdr3 & 0x40; - pre_pdf = (mpdr3 >> 16) & 0x7; - pdf = (mpdr3 >> 19) & 0x7; + pdf = (mpdr3 >> 16) & 0x3F; ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) : decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) / - ((pre_pdf + 1) * (pdf + 1)); + (pdf + 1); break; case SPDIF_CLK: clk_sel = mpdr3 & 0x400000; diff --git a/arch/arm/include/asm/arch-mx35/crm_regs.h b/arch/arm/include/asm/arch-mx35/crm_regs.h index fa71dead30..3fcde0ba52 100644 --- a/arch/arm/include/asm/arch-mx35/crm_regs.h +++ b/arch/arm/include/asm/arch-mx35/crm_regs.h @@ -32,8 +32,8 @@ #define MXC_CCM_CCMR_VOL_RDY_CNT_MASK (0xF << 20) #define MXC_CCM_CCMR_ROMW_OFFSET 18 #define MXC_CCM_CCMR_ROMW_MASK (0x3 << 18) -#define MXC_CCM_CCMR_RAMW_OFFSET 21 -#define MXC_CCM_CCMR_RAMW_MASK (0x3 << 21) +#define MXC_CCM_CCMR_RAMW_OFFSET 16 +#define MXC_CCM_CCMR_RAMW_MASK (0x3 << 16) #define MXC_CCM_CCMR_LPM_OFFSET 14 #define MXC_CCM_CCMR_LPM_MASK (0x3 << 14) #define MXC_CCM_CCMR_UPE (1 << 9) @@ -47,7 +47,7 @@ #define MXC_CCM_PDR0_CON_MUX_DIV_MASK (0xF << 16) #define MXC_CCM_PDR0_CKIL_SEL (1 << 15) #define MXC_CCM_PDR0_PER_PODF_OFFSET 12 -#define MXC_CCM_PDR0_PER_PODF_MASK (0xF << 12) +#define MXC_CCM_PDR0_PER_PODF_MASK (0x7 << 12) #define MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET 9 #define MXC_CCM_PDR0_AUTO_MUX_DIV_MASK (0x7 << 9) #define MXC_CCM_PDR0_AUTO_CON 0x1 @@ -62,10 +62,8 @@ #define MXC_CCM_PDR2_SSI2_PRDF_MASK (0x7 << 27) #define MXC_CCM_PDR2_SSI1_PRDF_OFFSET 24 #define MXC_CCM_PDR2_SSI1_PRDF_MASK (0x7 << 24) -#define MXC_CCM_PDR2_CSI_PRDF_OFFSET 19 -#define MXC_CCM_PDR2_CSI_PRDF_MASK (0x7 << 19) #define MXC_CCM_PDR2_CSI_PODF_OFFSET 16 -#define MXC_CCM_PDR2_CSI_PODF_MASK (0x7 << 16) +#define MXC_CCM_PDR2_CSI_PODF_MASK (0x3F << 16) #define MXC_CCM_PDR2_SSI2_PODF_OFFSET 8 #define MXC_CCM_PDR2_SSI2_PODF_MASK (0x3F << 8) #define MXC_CCM_PDR2_CSI_M_U (1 << 7) @@ -78,35 +76,23 @@ #define MXC_CCM_PDR3_SPDIF_PODF_OFFSET 23 #define MXC_CCM_PDR3_SPDIF_PODF_MASK (0x3F << 23) #define MXC_CCM_PDR3_SPDIF_M_U (1 << 22) -#define MXC_CCM_PDR3_ESDHC3_PRDF_OFFSET 19 -#define MXC_CCM_PDR3_ESDHC3_PRDF_MASK (0x7 << 19) #define MXC_CCM_PDR3_ESDHC3_PODF_OFFSET 16 -#define MXC_CCM_PDR3_ESDHC3_PODF_MASK (0x7 << 16) -#define MXC_CCM_PDR3_UART_M_U (1 << 15) -#define MXC_CCM_PDR3_ESDHC2_PRDF_OFFSET 11 -#define MXC_CCM_PDR3_ESDHC2_PRDF_MASK (0x7 << 11) +#define MXC_CCM_PDR3_ESDHC3_PODF_MASK (0x3F << 16) +#define MXC_CCM_PDR3_UART_M_U (1 << 14) #define MXC_CCM_PDR3_ESDHC2_PODF_OFFSET 8 -#define MXC_CCM_PDR3_ESDHC2_PODF_MASK (0x7 << 8) +#define MXC_CCM_PDR3_ESDHC2_PODF_MASK (0x3F << 8) #define MXC_CCM_PDR3_ESDHC_M_U (1 << 6) -#define MXC_CCM_PDR3_ESDHC1_PRDF_OFFSET 3 -#define MXC_CCM_PDR3_ESDHC1_PRDF_MASK (0x7 << 3) #define MXC_CCM_PDR3_ESDHC1_PODF_OFFSET 0 -#define MXC_CCM_PDR3_ESDHC1_PODF_MASK (0x7) +#define MXC_CCM_PDR3_ESDHC1_PODF_MASK (0x3F) #define MXC_CCM_PDR4_NFC_PODF_OFFSET 28 #define MXC_CCM_PDR4_NFC_PODF_MASK (0xF << 28) -#define MXC_CCM_PDR4_USB_PRDF_OFFSET 25 -#define MXC_CCM_PDR4_USB_PRDF_MASK (0x7 << 25) #define MXC_CCM_PDR4_USB_PODF_OFFSET 22 -#define MXC_CCM_PDR4_USB_PODF_MASK (0x7 << 22) -#define MXC_CCM_PDR4_PER0_PRDF_OFFSET 19 -#define MXC_CCM_PDR4_PER0_PRDF_MASK (0x7 << 19) +#define MXC_CCM_PDR4_USB_PODF_MASK (0x3F << 22) #define MXC_CCM_PDR4_PER0_PODF_OFFSET 16 -#define MXC_CCM_PDR4_PER0_PODF_MASK (0x7 << 16) -#define MXC_CCM_PDR4_UART_PRDF_OFFSET 13 -#define MXC_CCM_PDR4_UART_PRDF_MASK (0x7 << 13) +#define MXC_CCM_PDR4_PER0_PODF_MASK (0x3F << 16) #define MXC_CCM_PDR4_UART_PODF_OFFSET 10 -#define MXC_CCM_PDR4_UART_PODF_MASK (0x7 << 10) +#define MXC_CCM_PDR4_UART_PODF_MASK (0x3F << 10) #define MXC_CCM_PDR4_USB_M_U (1 << 9) /* Bit definitions for RCSR */ @@ -257,10 +243,8 @@ #define MXC_CCM_COSR_CLKOSEL_OFFSET 0 #define MXC_CCM_COSR_CLKOEN (1 << 5) #define MXC_CCM_COSR_CLKOUTDIV_1 (1 << 6) -#define MXC_CCM_COSR_CLKOUT_PREDIV_MASK (0x7 << 10) -#define MXC_CCM_COSR_CLKOUT_PREDIV_OFFSET 10 -#define MXC_CCM_COSR_CLKOUT_PRODIV_MASK (0x7 << 13) -#define MXC_CCM_COSR_CLKOUT_PRODIV_OFFSET 13 +#define MXC_CCM_COSR_CLKOUT_DIV_MASK (0x3F << 10) +#define MXC_CCM_COSR_CLKOUT_DIV_OFFSET 10 #define MXC_CCM_COSR_SSI1_RX_SRC_SEL_MASK (0x3 << 16) #define MXC_CCM_COSR_SSI1_RX_SRC_SEL_OFFSET 16 #define MXC_CCM_COSR_SSI1_TX_SRC_SEL_MASK (0x3 << 18) |