| /** |
| * system/src/peripheral/rct/a2s.c |
| * |
| * History: |
| * 2008/05/13 - [Allen Wang] created file |
| * |
| * Copyright (C) 2004-2008, Ambarella, Inc. |
| * |
| * All rights reserved. No Part of this file may be reproduced, stored |
| * in a retrieval system, or transmitted, in any form, or by any means, |
| * electronic, mechanical, photocopying, recording, or otherwise, |
| * without the prior consent of Ambarella, Inc. |
| */ |
| |
| #ifdef ENABLE_DEBUG_MSG_RCT |
| #define DEBUG_MSG printk |
| #else |
| #define DEBUG_MSG(...) |
| #endif |
| |
| //#define VOUT_PLL_DEBUG |
| #ifdef VOUT_PLL_DEBUG |
| static int sp_retry = 0; |
| static int a2_retry = 0; |
| #endif |
| |
| #define PLL_VIDEO 0 |
| #define PLL_VIDEO2 1 |
| #define PLL_SO 3 |
| |
| #define PLL_FREQ_HZ REF_CLK_FREQ |
| |
| static u32 so_clk_freq_hz = PLL_CLK_27MHZ; |
| static u32 spclk_freq_hz = PLL_CLK_27MHZ; |
| static u32 vo_clk_freq_hz = PLL_CLK_27MHZ; |
| static u32 vo2_clk_freq_hz = PLL_CLK_27MHZ; |
| static u32 vo_clk_scaling = 0; |
| static u32 vo2_clk_scaling = 0; |
| static u32 vo_clk_src = VO_CLK_ONCHIP_PLL_27MHZ; |
| static u32 vo2_clk_src = VO_CLK_ONCHIP_PLL_27MHZ; |
| static u32 hdmi_clk_src = HDMI_CLK_ONCHIP_PLL; |
| |
| static int rct_rescale_pll(int id, u32 scale); |
| |
| #define do_some_delay() dly_tsk(1); |
| |
| void rct_pll_init(void) |
| { |
| u32 val; |
| |
| /* |
| * hacked video PLL |
| */ |
| /* video ctrl2 */ |
| amba_outl(0x70170130, 0x3f770000); |
| |
| /* Check if vout controller is running */ |
| if (readl(VOUT_CTL_CONTROL_REG) & 0xc0000000) { |
| |
| /* scalers */ |
| amba_outl(0x7017001c, 0x00010002); |
| amba_outl(0x7017001c, 0x00010001); |
| |
| /* post-scalers, write a value different than default(0x10001), |
| then write back */ |
| amba_outl(0x701700a0, 0x10002); |
| amba_outl(0x701700a0, 0x10001); |
| |
| /* pll ctrl reg (int, sdiv, sout) */ |
| amba_outl(0x70170014, 0x0a130104); |
| amba_outl(0x70170014, 0x0a130105); |
| do_some_delay(); |
| |
| /* Check video clock is locked or not */ |
| val = readl(VOUT_CTL_CLUT_REG); |
| |
| } |
| |
| /* |
| * Miscellaneous... |
| */ |
| amba_outl(0x70170030, 0x10003); |
| amba_outl(0x70170030, 0x10006); |
| amba_outl(0x70170024, 0x0b031100); |
| do_some_delay(); |
| amba_outl(0x70170024, 0x0b031101); |
| |
| /* |
| * init ms PLL |
| */ |
| writel(SCALER_MS_REG, |
| (readl(SCALER_MS_REG) & 0xffff0000) | 0x1); |
| writel(CG_DVEN_REG, 0); |
| } |
| |
| /** |
| * Check the PLL lock status (A3) or wait for the PLL clock to lock (A2) |
| */ |
| void rct_alan_zhu_magic_loop(int clk_chk) |
| { |
| u8 reg = readb(PLL_LOCK_REG) & clk_chk; |
| register u32 loop_cnt = (get_core_bus_freq_hz() / 500); |
| |
| while ((reg == 0) && loop_cnt) { |
| reg = readb(PLL_LOCK_REG) & clk_chk; |
| loop_cnt--; |
| } |
| |
| /* Check the timeout */ |
| //K_ASSERT(loop_cnt); |
| } |
| |
| u32 get_apb_bus_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return 24000000; |
| #else |
| return get_core_bus_freq_hz() >> 1; |
| #endif |
| } |
| |
| u32 get_ahb_bus_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return 24000000; |
| #else |
| return get_core_bus_freq_hz(); |
| #endif |
| } |
| |
| static u32 get_core_pll_freq(u32 z, u32 f, u32 c) |
| { |
| u32 intprog, sout, sdiv; |
| |
| f = PLL_FRAC_VAL(f); |
| intprog = PLL_CTRL_INTPROG(c); |
| sout = PLL_CTRL_SOUT(c); |
| sdiv = PLL_CTRL_SDIV(c); |
| |
| if (f != 0) { |
| /* If fraction part, return 0 to be a warning. */ |
| return 0; |
| } |
| |
| intprog += 1 + z; |
| sdiv++; |
| sout++; |
| |
| return PLL_FREQ_HZ * intprog * sdiv / sout / 2; |
| } |
| |
| u32 get_core_bus_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return 48000000; |
| #else |
| u32 z = (readl(PLL_CORE_CTRL3_REG) & 0x40) >> 6; |
| u32 f = readl(PLL_CORE_FRAC_REG); |
| u32 c = readl(PLL_CORE_CTRL_REG); |
| |
| return get_core_pll_freq(z, f, c); |
| #endif |
| } |
| |
| u32 get_dram_freq_hz(void) |
| { |
| return get_core_bus_freq_hz(); |
| } |
| |
| u32 get_idsp_freq_hz(void) |
| { |
| return get_core_bus_freq_hz(); |
| } |
| |
| u32 get_vout_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return vo_clk_freq_hz; |
| #endif |
| } |
| |
| |
| u32 get_vout2_freq_hz(void) |
| { |
| return vo2_clk_freq_hz; |
| } |
| |
| |
| /** |
| * FIXME |
| */ |
| u32 get_adc_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| if ((readl(ADC16_CTRL_REG) & 0x1) == 0) { |
| return PLL_FREQ_HZ / readl(SCALER_ADC_REG); |
| } else { |
| return get_audio_freq_hz(); |
| } |
| #endif |
| } |
| |
| void rct_set_adc_clk_src(int src) |
| { |
| writel(ADC16_CTRL_REG, (src & 0x01)); |
| } |
| |
| u32 get_uart_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return PLL_FREQ_HZ / readl(CG_UART_REG); |
| #endif |
| } |
| |
| u32 get_ssi_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return (get_apb_bus_freq_hz() / readl(CG_SSI_REG)); |
| #endif |
| } |
| |
| u32 get_motor_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return PLL_FREQ_HZ / readl(CG_MOTOR_REG); |
| #endif |
| } |
| |
| u32 get_pwm_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return get_so_freq_hz() / readl(CG_PWM_REG); |
| #endif |
| } |
| |
| u32 get_ir_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return PLL_FREQ_HZ / readl(CG_IR_REG); |
| #endif |
| } |
| |
| u32 get_host_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return get_apb_bus_freq_hz(); |
| #endif |
| } |
| |
| u32 get_sd_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return 24000000; |
| #else |
| u32 scaler = readl(SCALER_SD48_REG) & SD48_INTEGER_DIV; |
| return (get_core_bus_freq_hz() * 2 / scaler); |
| #endif |
| } |
| |
| u32 get_ms_freq_hz(void) |
| { |
| u32 scaler = readl(SCALER_MS_REG) & MS_INTEGER_DIV; |
| return (get_core_bus_freq_hz() * 2 / scaler); |
| } |
| |
| /** |
| * Get sensor clock out |
| */ |
| u32 get_so_freq_hz(void) |
| { |
| #if defined(__FPGA__) |
| return get_apb_bus_freq_hz(); |
| #else |
| return so_clk_freq_hz; |
| #endif |
| } |
| |
| /** |
| * Get sensor clock out |
| */ |
| u32 get_spclk_freq_hz(void) |
| { |
| return spclk_freq_hz; |
| } |
| |
| void get_stepping_info(int *chip, int *major, int *minor) |
| { |
| *chip = 0x2; |
| *major = 0x1; |
| *minor = 0x0; |
| } |
| |
| /* FIRMWARE_CONTAINER_TYPE */ |
| #define SDMMC_TYPE_AUTO 0x0 |
| #define SDMMC_TYPE_SD 0x1 |
| #define SDMMC_TYPE_SDHC 0x2 |
| #define SDMMC_TYPE_MMC 0x3 |
| #define SDMMC_TYPE_MOVINAND 0x4 |
| |
| static u32 get_sm_boot_device(void) |
| { |
| u32 rval = 0x0; |
| |
| #if defined(FIRMWARE_CONTAINER_TYPE) |
| #if (FIRMWARE_CONTAINER_TYPE == SDMMC_TYPE_SD) |
| rval |= BOOT_FROM_SD; |
| #elif (FIRMWARE_CONTAINER_TYPE == SDMMC_TYPE_SDHC) |
| rval |= BOOT_FROM_SDHC; |
| #elif (FIRMWARE_CONTAINER_TYPE == SDMMC_TYPE_MMC) |
| rval |= BOOT_FROM_MMC; |
| #elif (FIRMWARE_CONTAINER_TYPE == SDMMC_TYPE_MOVINAND) |
| rval |= BOOT_FROM_MOVINAND; |
| #elif (FIRMWARE_CONTAINER_TYPE == SDMMC_TYPE_AUTO) |
| rval |= BOOT_FROM_SDMMC; |
| #endif |
| #endif |
| return rval; |
| } |
| |
| u32 rct_boot_from(void) |
| { |
| u32 rval = 0x0; |
| u32 val = readl(SYS_CONFIG_REG); |
| |
| if ((val & SYS_CONFIG_FLASH_BOOT) != 0x0) { |
| if ((val & SYS_CONFIG_BOOTMEDIA) != 0x0) |
| rval |= BOOT_FROM_NOR; |
| else |
| rval |= BOOT_FROM_NAND; |
| } |
| |
| if ((val & SYS_CONFIG_SPI_BOOT) != 0x0) { |
| rval |= BOOT_FROM_SPI; |
| rval |= get_sm_boot_device(); |
| } |
| |
| if (((val & SYS_CONFIG_FLASH_BOOT) == 0x0) && |
| ((val & SYS_CONFIG_SPI_BOOT) == 0x0)) { |
| /* USB boot */ |
| |
| /* Force enabling flash access on USB boot */ |
| #if defined(FIRMWARE_CONTAINER) |
| rval |= BOOT_FROM_SPI; |
| rval |= get_sm_boot_device(); |
| #else |
| if ((val & SYS_CONFIG_BOOTMEDIA) != 0x0) |
| rval |= BOOT_FROM_NOR; |
| else |
| rval |= BOOT_FROM_NAND; |
| #endif /* FIRMWARE_CONTAINER */ |
| } |
| |
| if ((val & SYS_CONFIG_BOOT_BYPASS) != 0x0) { |
| rval |= BOOT_FROM_BYPASS; |
| } |
| |
| return rval; |
| } |
| |
| int rct_is_cf_trueide(void) |
| { |
| return 0; |
| } |
| |
| int rct_is_eth_enabled(void) |
| { |
| return (readl(SYS_CONFIG_REG) & SYS_CONFIG_ENET_SEL) != 0x0; |
| } |
| |
| void rct_power_down(void) |
| { |
| writel(ANA_PWR_REG, readl(ANA_PWR_REG) | ANA_PWR_POWER_DOWN); |
| } |
| |
| void rct_reset_chip(void) |
| { |
| |
| #if defined(__FPGA__) |
| /* Do nothing... NOT supported! */ |
| #else |
| writel(SOFT_RESET_REG, 0x0); |
| writel(SOFT_RESET_REG, 0x1); |
| #endif |
| |
| } |
| |
| void rct_reset_fio(void) |
| { |
| register int c; |
| |
| writel(FIO_RESET_REG, |
| FIO_RESET_FIO_RST | |
| FIO_RESET_CF_RST | |
| FIO_RESET_XD_RST | |
| FIO_RESET_FLASH_RST); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| writel(FIO_RESET_REG, 0x0); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| mdelay(2); |
| } |
| |
| void rct_reset_fio_only(void) |
| { |
| register int c; |
| |
| writel(FIO_RESET_REG, FIO_RESET_FIO_RST); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| writel(FIO_RESET_REG, 0x0); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| } |
| |
| void rct_reset_cf(void) |
| { |
| register int c; |
| |
| writel(FIO_RESET_REG, FIO_RESET_CF_RST); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| writel(FIO_RESET_REG, 0x0); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| } |
| |
| void rct_reset_flash(void) |
| { |
| register int c; |
| |
| writel(FIO_RESET_REG, FIO_RESET_FLASH_RST); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| writel(FIO_RESET_REG, 0x0); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| } |
| |
| void rct_reset_xd(void) |
| { |
| register int c; |
| |
| writel(FIO_RESET_REG, FIO_RESET_XD_RST); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| writel(FIO_RESET_REG, 0x0); |
| for (c = 0; c < 0xffff; c++); /* Small busy-wait loop */ |
| } |
| |
| void rct_reset_dma(void) |
| { |
| /* Not support in A2S. */ |
| } |
| |
| void rct_set_uart_pll(void) |
| { |
| #if 0 |
| #if defined(PRK_UART_38400) || \ |
| defined(PRK_UART_57600) || \ |
| defined(PRK_UART_115200) |
| /* Program UART RCT divider value to generate higher clock */ |
| writel(CG_UART_REG, 0x2); |
| #else |
| /* Program UART RCT divider value to generate lower clock */ |
| writel(CG_UART_REG, 0x8); |
| #endif |
| #else |
| writel(CG_UART_REG, 0x1); |
| #endif |
| } |
| |
| void rct_set_sd_pll(u32 freq_hz) |
| { |
| #define DUTY_CYCLE_CONTRL_ENABLE 0x01000000 /* Duty cycle correction */ |
| u32 scaler; |
| u32 core_freq; |
| |
| K_ASSERT(freq_hz != 0); |
| |
| /* Scaler = core_freq *2 / desired_freq */ |
| core_freq = get_core_bus_freq_hz(); |
| scaler = ((core_freq << 1) / freq_hz) + 1; |
| |
| /* Sdclk = core_freq * 2 / Int_div */ |
| /* For example: Sdclk = 108 * 2 / 5 = 43.2 Mhz */ |
| /* For example: Sdclk = 121.5 * 2 / 5 = 48.6 Mhz */ |
| writel(SCALER_SD48_REG, |
| (readl(SCALER_SD48_REG) & 0xffff0000) | |
| (DUTY_CYCLE_CONTRL_ENABLE | scaler)); |
| |
| DEBUG_MSG("SD Freq = %dhz, Set SCALER_SD48_REG 0x%x", freq_hz, scaler); |
| } |
| |
| void rct_set_ir_pll(void) |
| { |
| writew(CG_IR_REG, 0x800); |
| } |
| |
| void rct_set_ssi_pll(void) |
| { |
| writel(CG_SSI_REG, get_apb_bus_freq_hz() / 13500000); |
| } |
| |
| void rct_set_ms_pll(u32 freq_hz) |
| { |
| #define DUTY_CYCLE_CONTRL_ENABLE 0x01000000 /* Duty cycle correction */ |
| |
| u32 scaler; |
| u32 core_clk; |
| |
| core_clk = get_core_bus_freq_hz(); |
| scaler = ((core_clk << 1) / freq_hz) + 1; |
| |
| /* msclk = core_freq * 2 / Int_div */ |
| /* For example: msclk = 108 * 2 / 16 = 13.5 Mhz */ |
| writel(SCALER_MS_REG, |
| (readl(SCALER_MS_REG) & 0xffff0000) | |
| (DUTY_CYCLE_CONTRL_ENABLE | scaler)); |
| |
| DEBUG_MSG("MS Freq = %dhz, Set SCALER_MS_REG 0x%x", freq_hz, scaler); |
| } |
| |
| void rct_enable_ms(void) |
| { |
| writel(MS_EN_REG, 0x1); |
| } |
| |
| void rct_disable_ms(void) |
| { |
| writel(MS_EN_REG, 0x0); |
| } |
| |
| void rct_set_ms_delay(void) |
| { |
| u32 ms_dly_ctr = readl(MS_DELAY_CTRL_REG); |
| |
| #ifdef MS_READ_TIME_ADJUST |
| ms_dly_ctr &= 0x0fffffff; |
| ms_dly_ctr |= (MS_READ_TIME_ADJUST << 28); |
| #endif |
| |
| #ifdef MS_DATA_OUTPUT_DELAY |
| ms_dly_ctr &= 0xf0ffffff; |
| ms_dly_ctr |= (MS_DATA_OUTPUT_DELAY << 24); |
| #endif |
| |
| #ifdef MS_DATA_INPUT_DELAY |
| ms_dly_ctr &= 0xfff0ffff; |
| ms_dly_ctr |= (MS_DATA_INPUT_DELAY << 16); |
| #endif |
| |
| #ifdef MS_SCLK_OUTPUT_DELAY |
| ms_dly_ctr &= 0xfffff0ff; |
| ms_dly_ctr |= (MS_SCLK_OUTPUT_DELAY << 8); |
| #endif |
| |
| writel(MS_DELAY_CTRL_REG, ms_dly_ctr); |
| } |
| |
| void rct_set_dven_clk(u32 freq_hz) |
| { |
| u32 ref_clk = 27000000; |
| u32 val; |
| |
| val = ref_clk / freq_hz; |
| |
| writel(CG_DVEN_REG, val); |
| } |
| |
| /** |
| * SO RCT runtime object. |
| */ |
| struct so_rct_obj_s { |
| u32 freq; |
| u32 sensor_ctrl; |
| u32 sensor_frac; |
| u32 scaler_pre; |
| u32 scaler_post; |
| }; |
| |
| /** |
| * RCT register settings for SO with Fref = 27MHz |
| */ |
| static struct so_rct_obj_s G_so_rct[] = { |
| /* Freq Ctrl FRAC PRE POST */ |
| {PLL_CLK_27MHZ, 0x09111100, 0x0, 0x10001, 0x1000a}, |
| {PLL_CLK_10MHZ, 0x13111100, 0x00000000, 0x10001, 0x10036}, |
| {PLL_CLK_13D1001MHZ, 0x16020108, 0x1688AE5D, 0x10001, 0x10010}, |
| {PLL_CLK_13MHZ, 0x16020108, 0x1C71C71D, 0x10001, 0x10010}, |
| {PLL_CLK_13_5D1001MHZ, 0x0f131108, 0xfbe878b8, 0x10001, 0x10010}, |
| {PLL_CLK_13_5MHZ, 0x0f131100, 0x0, 0x10001, 0x10010}, |
| {PLL_CLK_22_5MHZ, 0x09153100, 0x0, 0x10001, 0x10008}, |
| {PLL_CLK_24D1001MHZ, 0x0d131108, 0x35406b4d, 0x10001, 0x10008}, |
| {PLL_CLK_24MHZ, 0x1f110100, 0x0, 0x10001, 0x10012}, |
| {PLL_CLK_24_3MHZ, 0x0d131108, 0x66666667, 0x10001, 0x10008}, |
| {PLL_CLK_25MHZ, 0x0e131108, 0xd097b425, 0x10001, 0x10008}, |
| {PLL_CLK_27D1001MHZ, 0x0f110108, 0xfbe878b6, 0x10001, 0x10008}, |
| {PLL_CLK_26_9485MHZ, 0x09111108, 0xfb1f0a87, 0x10001, 0x1000a}, /* - 1 LN at 60hz */ |
| {PLL_CLK_26_9568MHZ, 0x09111108, 0xfbe76c8b, 0x10001, 0x1000a}, /* - 1 LN at 50hz */ |
| {PLL_CLK_27_0432MHZ, 0x09111108, 0x04189375, 0x10001, 0x1000a}, /* + 1 LN at 50hz */ |
| {PLL_CLK_27_0514MHZ, 0x09111108, 0x04dfa5ee, 0x10001, 0x1000a}, /* + 1 LN at 60hz */ |
| {PLL_CLK_27M1001MHZ, 0x09111108, 0x04189375, 0x10001, 0x1000a}, /* 27*1.001 MHz */ |
| {PLL_CLK_36D1001MHZ, 0x14131108, 0x4fe0a0f3, 0x10001, 0x10008}, /* 36/1.001 MHz */ |
| {PLL_CLK_36MHZ, 0x0b122100, 0x0, 0x10001, 0x10009}, |
| {PLL_CLK_37_125D1001MHZ, 0x0b122108, 0x5cd5cd5d, 0x10001, 0x10009}, |
| {PLL_CLK_37_125MHZ, 0x0a152100, 0x0, 0x10001, 0x10004}, |
| {PLL_CLK_42D1001MHZ, 0x0d121108, 0xfc6b699f, 0x10001, 0x10006}, |
| {PLL_CLK_42MHZ, 0x0d121100, 0x0, 0x10001, 0x10006}, |
| {PLL_CLK_45MHZ, 0x09122100, 0x0, 0x10001, 0x10006}, |
| {PLL_CLK_48D1001MHZ, 0x1f110108, 0xf7d0f16c, 0x10001, 0x10009}, |
| {PLL_CLK_48MHZ, 0x1f110100, 0x0, 0x10001, 0x10009}, |
| {PLL_CLK_48_6MHZ, 0x1f110108, 0x66666667, 0x10001, 0x10009}, |
| {PLL_CLK_49_5D1001MHZ, 0x20110108, 0xf78f78f7, 0x10001, 0x10009}, /* 49.5/1.001 MHz */ |
| {PLL_CLK_49_5MHZ, 0x20110100, 0x0, 0x10001, 0x10009}, |
| {PLL_CLK_54MHZ, 0x0f111100, 0x0, 0x10001, 0x10008}, |
| {PLL_CLK_54M1001MHZ, 0x0f111108, 0x04189375, 0x10001, 0x10008}, /* 54*1.001 MHz */ |
| {PLL_CLK_60MHZ, 0x09113100, 0x0, 0x10001, 0x10009}, |
| {PLL_CLK_60M1001MHZ, 0x09113108, 0x028f5c29, 0x10001, 0x10009}, /* 60*1.001 MHz */ |
| {PLL_CLK_64D1001MHZ, 0x0a113108, 0xa7f05079, 0x10001, 0x10009}, /* 64/1.001 MHz */ |
| {PLL_CLK_64MHZ, 0x0a113108, 0xaaaaaaaa, 0x10001, 0x10009}, |
| {PLL_CLK_74_25D1001MHZ, 0x0a133108, 0xfd2fd2fd, 0x10001, 0x10004}, /* 74.25/1.001 MHz */ |
| {PLL_CLK_74_25MHZ, 0x0a133100, 0x0, 0x10001, 0x10004}, |
| {PLL_CLK_90MHZ, 0x09122100, 0x0, 0x10001, 0x10003}, |
| {PLL_CLK_90_62D1001MHZ, 0x09122108, 0x0ef13846, 0x10001, 0x10003}, |
| {PLL_CLK_90_62MHZ, 0x09122108, 0x118468f8, 0x10001, 0x10003}, |
| {PLL_CLK_90_69D1001MHZ, 0x09122108, 0x10f97edd, 0x10001, 0x10003}, |
| {PLL_CLK_90_69MHZ, 0x09122108, 0x138d33e9, 0x10001, 0x10003}, |
| {PLL_CLK_96D1001MHZ, 0x1f100108, 0xf7d0f16c, 0x10001, 0x10009}, /* 96/1.001 MHz */ |
| {PLL_CLK_96MHZ, 0x1f100100, 0x0, 0x10001, 0x10009}, |
| {PLL_CLK_99_18D1001MHZ, 0x0a122108, 0x0251054d, 0x10001, 0x10003}, |
| {PLL_CLK_99_18MHZ, 0x0a122108, 0x0523f680, 0x10001, 0x10003}, |
| {PLL_CLK_108MHZ, 0x0b122100, 0x0, 0x10001, 0x10003}, |
| {PLL_CLK_148_5D1001MHZ, 0x20100108, 0xf78f78f7, 0x10001, 0x10006}, /* 148.5/1.001 MHz */ |
| {PLL_CLK_148_5MHZ, 0x20100100, 0x0, 0x10001, 0x10006}, |
| {PLL_CLK_216MHZ, 0x0b122108, 0x0, 0x10001, 0x10002}, |
| {0x0, 0x17100104, 0x0, 0x10001, 0x10018} /* 27MHz as default */ |
| }; |
| |
| /** |
| * VOUT RCT runtime object. |
| */ |
| struct vout_rct_obj_s { |
| u32 freq; |
| u32 video_ctrl; |
| u32 video_frac; |
| u32 scaler_pre; |
| u32 scaler_post; |
| u32 os_ratio; |
| }; |
| |
| /** |
| * RCT register settings for VOUT pll with Fref = 27MHz |
| */ |
| static struct vout_rct_obj_s G_vout_rct[] = { |
| |
| /* Freq Ctrl FRAC PRE POST 0S_RATIO*/ |
| /* VCO = 10* Fvout for HDMI */ |
| {PLL_CLK_27MHZ, 0x09111100, 0x0, 0x10001, 0x1000a, 0x10001}, |
| {PLL_CLK_13_5D1001MHZ, 0x0e110108, 0xfbe878b7, 0x10001, 0x10010, 0x10001}, |
| {PLL_CLK_13_5MHZ, 0x0b111100, 0x0, 0x10001, 0x10018, 0x10001}, |
| {PLL_CLK_24_54MHZ, 0x0e131108, 0x8ba1f4b2, 0x10001, 0x10008, 0x10001}, |
| {PLL_CLK_27D1001MHZ, 0x09111108, 0xfbe878b7, 0x10001, 0x1000a, 0x10001}, |
| {PLL_CLK_26_9485MHZ, 0x09111108, 0xfb1f0a87, 0x10001, 0x1000a, 0x10001}, /* - 1 LN at 60hz */ |
| {PLL_CLK_26_9568MHZ, 0x09111108, 0xfbe76c8b, 0x10001, 0x1000a, 0x10001}, /* - 1 LN at 50hz */ |
| {PLL_CLK_27_0432MHZ, 0x09111108, 0x04189375, 0x10001, 0x1000a, 0x10001}, /* + 1 LN at 50hz */ |
| {PLL_CLK_27_0514MHZ, 0x09111108, 0x04dfa5ee, 0x10001, 0x1000a, 0x10001}, /* + 1 LN at 60hz */ |
| {PLL_CLK_27M1001MHZ, 0x09111108, 0x04189375, 0x10001, 0x1000a, 0x10001}, /* 27*1.001 MHz */ |
| {PLL_CLK_54MHZ, 0x17100100, 0x0, 0x10001, 0x1000c, 0x10002}, |
| {PLL_CLK_74_25D1001MHZ, 0x0a114108, 0xfd2fd2fd, 0x10001, 0x1000a, 0x10001}, /* 74.25/1.001 MHz */ |
| {PLL_CLK_74_25MHZ, 0x0a114100, 0x0, 0x10001, 0x1000a, 0x10001}, |
| {PLL_CLK_108MHZ, 0x17100100, 0x0, 0x10001, 0x10006, 0x10001}, |
| {PLL_CLK_148_5D1001MHZ, 0x14110108, 0xfa5fa5fb, 0x10001, 0x10002, 0x10001}, |
| {PLL_CLK_148_5MHZ, 0x15110100, 0x0, 0x10001, 0x10002, 0x10001}, /* Decrease VCO1 stress value */ |
| {0x0, 0x17100100, 0x0, 0x10001, 0x10018, 0x10001} /* 27MHz as default */ |
| }; |
| |
| static int so_freq_index = 0; |
| static int vout_freq_index[2] = {0}; |
| |
| /** |
| * Configure sensor clock out |
| */ |
| void rct_set_so_freq_hz(u32 freq_hz) |
| { |
| int i; |
| u32 ctrl = 0; |
| int sw_int_frac = 0; |
| |
| for (i = 0; ;i++) { |
| if ((G_so_rct[i].freq == 0) || (G_so_rct[i].freq == freq_hz)) |
| break; |
| } |
| |
| /* Check if the PLL mode is changed bet INT and FRAC modes */ |
| if (((G_so_rct[so_freq_index].sensor_frac != 0) && |
| (G_so_rct[i].sensor_frac == 0)) || |
| ((G_so_rct[so_freq_index].sensor_frac == 0) && |
| (G_so_rct[i].sensor_frac != 0))) { |
| sw_int_frac = 1; |
| } |
| |
| so_freq_index = i; |
| |
| if (G_so_rct[i].sensor_frac != 0x00) { |
| amba_outl(0x7017011c, 0x00f10000); |
| amba_outl(0x70170120, 0x00069300); |
| } else { |
| amba_outl(0x7017011c, 0x3f770000); |
| amba_outl(0x70170120, 0x00068300); |
| } |
| |
| if (sw_int_frac) { |
| ctrl = readl(PLL_SENSOR_CTRL_REG); |
| if (G_so_rct[i].sensor_frac != 0x00) { |
| /* 1. change to Frac Mode(1) */ |
| ctrl |= 0x00000008; |
| } else { |
| /* 1. change to Int Mode(0) */ |
| ctrl &= ~0x00000008; |
| } |
| |
| /* 2. change the pll_we(bit[0]) to disable(0) */ |
| ctrl &= ~0x01; |
| writel(PLL_SENSOR_CTRL_REG, ctrl); |
| /* 3. assert pll reset(bit[4]), 1ms */ |
| ctrl |= 0x10; |
| writel(PLL_SENSOR_CTRL_REG, ctrl); |
| dly_tsk(1); |
| /* 4. deassert pll reset(bit[4]) */ |
| } |
| |
| /* Configure sensor clock out. */ |
| writel(PLL_SENSOR_CTRL_REG, G_so_rct[i].sensor_ctrl & (~0x10)); |
| writel(PLL_SENSOR_FRAC_REG, G_so_rct[i].sensor_frac); |
| writel(SCALER_SENSOR_POST_REG, G_so_rct[i].scaler_post); |
| |
| dly_tsk(2); |
| writel(SCALER_SENSOR_PRE_REG, 0x1003); |
| writel(SCALER_SENSOR_PRE_REG, G_so_rct[i].scaler_pre); |
| writel(PLL_SENSOR_CTRL_REG, G_so_rct[i].sensor_ctrl | 0x1); |
| |
| rct_alan_zhu_magic_loop(PLL_LOCK_SENSOR); |
| so_clk_freq_hz = G_so_rct[i].freq; |
| |
| } |
| |
| /** |
| * Rescale the sensor clock frequency |
| * 1 macrostep = 65536 microsteps |
| */ |
| void rct_rescale_so_pclk_freq_hz(u32 scale) |
| { |
| rct_rescale_pll(PLL_SO, scale); |
| } |
| |
| /** |
| * The drivers of sensors and YUV devices shall call this function |
| * to enable the pclk as the VOUT clock source |
| */ |
| void rct_set_so_pclk_freq_hz(u32 freq_hz) |
| { |
| spclk_freq_hz = freq_hz; |
| } |
| |
| /** |
| * Configure sensor input clock source |
| */ |
| void rct_set_so_clk_src(u32 mode) |
| { |
| writeb(USE_CLK_SI_INPUT_MODE_REG, mode); |
| } |
| |
| /** |
| * Configure video clock source |
| */ |
| void rct_set_vout_clk_src(u32 clk_src) |
| { |
| vo_clk_src = clk_src; |
| } |
| |
| /* Configure video clock out with 27 MHz crystal clock */ |
| static void rct_set_vout_pll_onchip(int vo_id, u32 freq_hz) |
| { |
| int i; |
| u32 ctrl = 0; |
| int sw_int_frac = 0; |
| |
| for (i = 0; ;i++) { |
| if ((G_vout_rct[i].freq == 0) || |
| (G_vout_rct[i].freq == freq_hz)) |
| break; |
| } |
| |
| /* Check if the PLL mode is changed bet INT and FRAC modes */ |
| if (((G_vout_rct[vout_freq_index[vo_id]].video_frac != 0) && |
| (G_vout_rct[i].video_frac == 0)) || |
| ((G_vout_rct[vout_freq_index[vo_id]].video_frac == 0) && |
| (G_vout_rct[i].video_frac != 0))) { |
| sw_int_frac = 1; |
| } |
| |
| vout_freq_index[vo_id] = i; |
| |
| ctrl = readl(PLL_VIDEO_CTRL_REG); |
| if (G_vout_rct[i].video_frac != 0x00) { |
| amba_outl(0x70170130, 0x00f10000); |
| amba_outl(0x70170134, 0x00069300); |
| } else { |
| amba_outl(0x70170130, 0x3f770000); |
| amba_outl(0x70170134, 0x00068300); |
| } |
| |
| if (sw_int_frac) { |
| ctrl = readl(PLL_VIDEO_CTRL_REG); |
| if (G_vout_rct[i].video_frac != 0x00) { |
| /* 1. change Frac Mode(1) */ |
| ctrl |= 0x00000008; |
| } else { |
| /* 1. change Int Mode(0) */ |
| ctrl &= ~0x00000008; |
| } |
| |
| /* 2. change the pll_we(bit[0]) to disable(0) */ |
| ctrl &= ~0x01; |
| writel(PLL_VIDEO_CTRL_REG, ctrl); |
| |
| /* 3. assert pll reset(bit[4]), 1ms */ |
| ctrl |= 0x10; |
| writel(PLL_VIDEO_CTRL_REG, ctrl); |
| dly_tsk(1); |
| |
| /* 4. deassert pll reset(bit[4]) */ |
| } |
| |
| /* Configure sensor clock out. The reference clock = 27 MHz */ |
| writel(PLL_VIDEO_CTRL_REG, G_vout_rct[i].video_ctrl & (~0x10)); |
| writel(PLL_VIDEO_FRAC_REG, G_vout_rct[i].video_frac); |
| writel(SCALER_VIDEO_POST_REG, G_vout_rct[i].scaler_post); |
| dly_tsk(1); |
| writel(PLL_VIDEO_CTRL_REG, G_vout_rct[i].video_ctrl | 0x01); |
| writel(SCALER_VIDEO_REG, G_vout_rct[i].scaler_pre); |
| vo_clk_freq_hz = G_vout_rct[i].freq; |
| } |
| |
| /** |
| * VOUT RCT runtime object. video PLL using VIN pixel clock |
| */ |
| struct vout_rct_pclk_obj_s { |
| u32 fref; |
| u32 freq; |
| u32 video_ctrl; |
| u32 video_frac; |
| u32 scaler_pre; |
| u32 scaler_post; |
| u32 os_ratio; |
| }; |
| |
| /** |
| * RCT register settings for SO with Fref = 27MHz |
| */ |
| static struct vout_rct_pclk_obj_s G_vout_rct_pclk[] = { |
| /* Fref Freq |
| Ctrl FRAC PRE POST 0S_RATIO*/ |
| /* Fref = 13.5 MHz */ |
| {PLL_CLK_13_5MHZ, PLL_CLK_27D1001MHZ, |
| 0x0f019c02, 0xfbe8, 0x1001, 0x1004, 0x1001}, |
| {PLL_CLK_13_5MHZ, PLL_CLK_27MHZ, |
| 0x10019c0a, 0x0, 0x1001, 0x1004, 0x1001}, |
| {PLL_CLK_13_5MHZ, PLL_CLK_27M1001MHZ, |
| 0x1000e902, 0x0419, 0x1001, 0x1001, 0x1}, |
| |
| /* Fref = 27 * 1.001 MHz */ |
| {PLL_CLK_27M1001MHZ, PLL_CLK_27MHZ, |
| 0x0f00e902, 0xfbe8, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_27M1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x1000e90a, 0x0, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_27M1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x05017a02, 0x7d30, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_27M1001MHZ, PLL_CLK_74_25MHZ, |
| 0x05017a02, 0x7e97, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_27M1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x05017a02, 0x7d30, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_27M1001MHZ, PLL_CLK_148_5MHZ, |
| 0x05017a02, 0x7e97, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 48 MHz */ |
| {PLL_CLK_48MHZ, PLL_CLK_27MHZ, |
| 0x0902dc0a, 0x0, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_48MHZ, PLL_CLK_27M1001MHZ, |
| 0x0900fa02, 0x024d, 0x1001, 0x01, 0x2}, |
| {PLL_CLK_48MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0c03d902, 0x5cd6, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_48MHZ, PLL_CLK_74_25MHZ, |
| 0x0c03d902, 0x6000, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_48MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0c03d902, 0x5cd6, 0x1001, 0x04, 0x1}, |
| {PLL_CLK_48MHZ, PLL_CLK_148_5MHZ, |
| 0x0c03d902, 0x6000, 0x1001, 0x04, 0x1}, |
| |
| /* Fref = 49.5 MHz */ |
| {PLL_CLK_49_5MHZ, PLL_CLK_27MHZ, |
| 0x06015a0a, 0x0, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_49_5MHZ, PLL_CLK_27M1001MHZ, |
| 0x06015a02, 0x0189, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_49_5MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x05005a02, 0xfe77, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_49_5MHZ, PLL_CLK_74_25MHZ, |
| 0x06005a0a, 0x0, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_49_5MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x05005a02, 0xfe77, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_49_5MHZ, PLL_CLK_148_5MHZ, |
| 0x06005a0a, 0x0, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 74.25/1.001 MHz */ |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_27D1001MHZ, |
| 0x0803dc0a, 0x0, 0x1001, 0x0b, 0x2}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_27MHZ, |
| 0x0803d902, 0x020c, 0x1001, 0x0b, 0x2}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802cc02, 0x0419, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0803cc0a, 0x0, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc02, 0x020c, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0803cc0a, 0x0, 0x1001, 0x04, 0x1}, |
| {PLL_CLK_74_25D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0803cc02, 0x020c, 0x1001, 0x04, 0x1}, |
| |
| /* Fref = 74.25 MHz */ |
| {PLL_CLK_74_25MHZ, PLL_CLK_27MHZ, |
| 0x0803dc0a, 0x0, 0x1001, 0x0b, 0x2}, |
| {PLL_CLK_74_25MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802fa02, 0x020c, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_74_25MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_74_25MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc0a, 0x0, 0x1001, 0x08, 0x1}, |
| {PLL_CLK_74_25MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1001, 0x04, 0x1}, |
| {PLL_CLK_74_25MHZ, PLL_CLK_148_5MHZ, |
| 0x0803cc0a, 0x0, 0x1001, 0x04, 0x1}, |
| |
| /* Fref = 90615840/1.001 MHz */ |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0xc5ab, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0xc6e4, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601cc02, 0x8e1e, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x8fcc, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x8e1e, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_90_62D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x8fcc, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 90615840 MHz */ |
| {PLL_CLK_90_62MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0xc473, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_90_62MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0xc5ab, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_90_62MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601cc02, 0x8c71, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_62MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x8e1e, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_62MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x8c71, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_90_62MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x8e1e, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 90687360/1.001 MHz */ |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0xc4b5, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0xc5ed, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601cc02, 0x8ccb, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x8e78, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x8ccb, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_90_69D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x8e78, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 90687360 MHz */ |
| {PLL_CLK_90_69MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0xc37d, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_90_69MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0xc4b5, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_90_69MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601cc02, 0x8b1e, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_69MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x8ccb, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_90_69MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x8b1e, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_90_69MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x8ccb, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 95992800/1.001 MHz */ |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x813d, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0x8264, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601cc02, 0x301e, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x31b4, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x301e, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_95_993D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x31b4, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 96/1.001 MHz */ |
| {PLL_CLK_96D1001MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x8127, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_96D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0x824e, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_96D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601fa02, 0x3000, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_96D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x3196, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_96D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601cc02, 0x3000, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_96D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x3196, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 96 MHz */ |
| {PLL_CLK_96MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x8000, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_96MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401fa02, 0x8126, 0x1001, 0x02, 0x2}, |
| {PLL_CLK_96MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601fa02, 0x2e6b, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_96MHZ, PLL_CLK_74_25MHZ, |
| 0x0601fa02, 0x3000, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_96MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601fa02, 0x2e6b, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_96MHZ, PLL_CLK_148_5MHZ, |
| 0x0601fa02, 0x3000, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 99/1.001 MHz */ |
| {PLL_CLK_99D1001MHZ, PLL_CLK_27MHZ, |
| 0x0602da02, 0x0189, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_99D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0602da02, 0x0312, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_99D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0601da0a, 0x0, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_99D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0601da02, 0x0189, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_99D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0601da0a, 0x0, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_99D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0601da02, 0x0189, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 99 MHz */ |
| {PLL_CLK_99MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x5c2d, 0x1001, 0x04, 0x2}, |
| {PLL_CLK_99MHZ, PLL_CLK_27M1001MHZ, |
| 0x0602da02, 0x0189, 0x1001, 0x0b, 0x1}, |
| {PLL_CLK_99MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0501de02, 0xfe77, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_99MHZ, PLL_CLK_74_25MHZ, |
| 0x0601da0a, 0x0, 0x1001, 0x02, 0x1}, |
| {PLL_CLK_99MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0501de02, 0xfe77, 0x1001, 0x01, 0x1}, |
| {PLL_CLK_99MHZ, PLL_CLK_148_5MHZ, |
| 0x0601da0a, 0x0, 0x1001, 0x01, 0x1}, |
| |
| /* Fref = 99.18 /1.001 MHz */ |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x5c2d, 0x1, 0x04, 0x2}, |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401da02, 0x5d4a, 0x1, 0x02, 0x2}, |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0502de02, 0xfd34, 0x1, 0x02, 0x2}, |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0502da02, 0xfebd, 0x1, 0x02, 0x2}, |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0502da02, 0xfd34, 0x1, 0x02, 0x1}, |
| {PLL_CLK_99_18D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0502da02, 0xfebd, 0x1, 0x02, 0x1}, |
| |
| /* Fref = 99.18 MHz */ |
| {PLL_CLK_99_18MHZ, PLL_CLK_27MHZ, |
| 0x0402d902, 0x5b0f, 0x1, 0x04, 0x2}, |
| {PLL_CLK_99_18MHZ, PLL_CLK_27M1001MHZ, |
| 0x0401da02, 0x5c2c, 0x1, 0x02, 0x2}, |
| {PLL_CLK_99_18MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0501de02, 0xfbac, 0x1, 0x02, 0x1}, |
| {PLL_CLK_99_18MHZ, PLL_CLK_74_25MHZ, |
| 0x0501da02, 0xfd34, 0x1, 0x02, 0x1}, |
| {PLL_CLK_99_18MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0501de02, 0xfbab, 0x1, 0x01, 0x1}, |
| {PLL_CLK_99_18MHZ, PLL_CLK_148_5MHZ, |
| 0x0501da02, 0xfd34, 0x1, 0x01, 0x1}, |
| |
| /* Fref = 108 MHz, TBD */ |
| {PLL_CLK_108MHZ, PLL_CLK_27MHZ, |
| 0x0803dc0a, 0x0, 0x1, 0x0b, 0x4}, |
| {PLL_CLK_108MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802fa02, 0x020c, 0x1, 0x0b, 0x2}, |
| {PLL_CLK_108MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x2}, |
| {PLL_CLK_108MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x2}, |
| {PLL_CLK_108MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x1}, |
| {PLL_CLK_108MHZ, PLL_CLK_148_5MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x1}, |
| |
| |
| /* Fref = 148.5/1.001 MHz */ |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_27D1001MHZ, |
| 0x0803dc0a, 0x0, 0x1, 0x0b, 0x4}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_27MHZ, |
| 0x0803d902, 0x020c, 0x1, 0x0b, 0x4}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802cc02, 0x0419, 0x1, 0x0b, 0x2}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x2}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc02, 0x020c, 0x1, 0x08, 0x2}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0403cc0a, 0x0, 0x1, 0x02, 0x2}, |
| {PLL_CLK_148_5D1001MHZ, PLL_CLK_148_5MHZ, |
| 0x0403cc02, 0x0106, 0x1, 0x02, 0x2}, |
| |
| /* Fref = 148.5 MHz */ |
| {PLL_CLK_148_5MHZ, PLL_CLK_27MHZ, |
| 0x0803dc0a, 0x0, 0x1, 0x0b, 0x4}, |
| {PLL_CLK_148_5MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802fa02, 0x020c, 0x1, 0x0b, 0x2}, |
| {PLL_CLK_148_5MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x2}, |
| {PLL_CLK_148_5MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x2}, |
| {PLL_CLK_148_5MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x1}, |
| {PLL_CLK_148_5MHZ, PLL_CLK_148_5MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x1}, |
| |
| /* Fref = 216 MHz, TBD*/ |
| {PLL_CLK_216MHZ, PLL_CLK_27MHZ, |
| 0x0803dc0a, 0x0, 0x1, 0x0b, 0x4}, |
| {PLL_CLK_216MHZ, PLL_CLK_27M1001MHZ, |
| 0x0802fa02, 0x020c, 0x1, 0x0b, 0x2}, |
| {PLL_CLK_216MHZ, PLL_CLK_74_25D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x2}, |
| {PLL_CLK_216MHZ, PLL_CLK_74_25MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x2}, |
| {PLL_CLK_216MHZ, PLL_CLK_148_5D1001MHZ, |
| 0x0703cc02, 0xfdf4, 0x1, 0x08, 0x1}, |
| {PLL_CLK_216MHZ, PLL_CLK_148_5MHZ, |
| 0x0803cc0a, 0x0, 0x1, 0x08, 0x1}, |
| |
| /* 27MHz as default */ |
| {0x0, 0, |
| 0x0, 0x0, 0x0, 0x0, 0x0} |
| }; |
| |
| /** |
| * The legal range of rescaling is ((-2^31) + 1) to ((2^31) - 1) |
| */ |
| int rct_rescale_pll(int id, u32 scale) |
| { |
| #define PLL_FRAC_MAX_VALUE ((u32) (0x1L) << 31) |
| |
| int sign = scale & 0x80000000; |
| u32 frac_sign = 0, index; |
| u32 rescale_frac = 0; |
| u32 pllfrac = 0; |
| int pllctrl = 0, pll_int = 0; |
| u32 cur_clk_src = 0, pllfrac_reg = 0, pllctrl_reg = 0; |
| |
| if (id == PLL_VIDEO) { |
| cur_clk_src = vo_clk_src; |
| pllfrac_reg = PLL_VIDEO_FRAC_REG; |
| pllctrl_reg = PLL_VIDEO_CTRL_REG; |
| } else if (id == PLL_SO) { |
| cur_clk_src = 0; |
| pllfrac_reg = PLL_SENSOR_FRAC_REG; |
| pllctrl_reg = PLL_SENSOR_CTRL_REG; |
| } |
| |
| if (cur_clk_src == VO_CLK_EXTERNAL) { |
| printk("Not supported for the external cloc"); |
| return -1; |
| } |
| |
| |
| if (id == PLL_VIDEO) { |
| index = vout_freq_index[id]; |
| if ((cur_clk_src == VO_CLK_ONCHIP_PLL_CLK_SI) || |
| (cur_clk_src == VO_CLK_ONCHIP_PLL_SP_CLK) ) { |
| pllfrac = (G_vout_rct_pclk[index].video_frac & |
| 0x7fffffff); |
| frac_sign = G_vout_rct_pclk[index].video_frac >> 31; |
| pllctrl = G_vout_rct_pclk[index].video_ctrl & |
| 0x00ffffff; |
| pll_int = G_vout_rct_pclk[index].video_ctrl >> 24; |
| } else { |
| pllfrac = (G_vout_rct[index].video_frac & |
| 0x7fffffff); |
| frac_sign = G_vout_rct[index].video_frac >> 31; |
| pllctrl = G_vout_rct[index].video_ctrl & |
| 0x00ffffff; |
| pll_int = G_vout_rct[index].video_ctrl >> 24; |
| } |
| } else if (id == PLL_SO) { |
| pllfrac = (G_so_rct[so_freq_index].sensor_frac & |
| 0x7fffffff); |
| frac_sign = G_so_rct[so_freq_index].sensor_frac >> 31; |
| pllctrl = G_so_rct[so_freq_index].sensor_ctrl & |
| 0x00ffffff; |
| pll_int = G_so_rct[so_freq_index].sensor_ctrl >> 24; |
| } |
| |
| rescale_frac = (scale & 0x7fffffff); /* # of microsteps */ |
| if (sign) { /* Decrement */ |
| if (pllfrac >= rescale_frac) { |
| rescale_frac = pllfrac - rescale_frac; |
| } else { |
| rescale_frac = pllfrac + |
| (0xffffffff - rescale_frac + 1); |
| pll_int--; |
| K_ASSERT(pllctrl >= 0); |
| } |
| } else { /* Increment */ |
| rescale_frac += pllfrac; /* # of microsteps */ |
| } |
| |
| if (rescale_frac >= PLL_FRAC_MAX_VALUE) { |
| /* 0.5 <= frac < 1 */ |
| if (frac_sign == 0) { |
| pll_int++; |
| frac_sign = 1; |
| } else { |
| frac_sign = 0; |
| } |
| rescale_frac -= PLL_FRAC_MAX_VALUE; |
| } |
| |
| rescale_frac += (frac_sign << 31); |
| writel(pllfrac_reg, rescale_frac); |
| if (rescale_frac) |
| pllctrl |= (0x1 << 3); /* INTMOD = 1 */ |
| else |
| pllctrl &= ~(0x1 << 3); /* INTMOD = 0 */ |
| |
| pllctrl += (pll_int << 24); |
| writel(pllctrl_reg, pllctrl); |
| writel(pllctrl_reg, pllctrl | 0x1); |
| |
| return 0; |
| } |
| |
| /* Configure video clock out with pixel clock or clock_si */ |
| static void rct_set_vout_pll_spclk(int vo_id, u32 freq_hz) |
| { |
| int i; |
| |
| if (spclk_freq_hz == PLL_CLK_27MHZ) { |
| rct_set_vout_pll_onchip(PLL_VIDEO, freq_hz); |
| } else { |
| for (i = 0; ;i++) { |
| if ((G_vout_rct_pclk[i].fref == 0) || |
| ((G_vout_rct_pclk[i].fref == spclk_freq_hz) && |
| (G_vout_rct_pclk[i].freq == freq_hz)) ) |
| break; |
| } |
| |
| vout_freq_index[vo_id] = i; |
| |
| if (G_vout_rct_pclk[i].fref != 0) { |
| if (vo_id == PLL_VIDEO) { |
| writel(PLL_VIDEO_CTRL_REG, |
| G_vout_rct_pclk[i].video_ctrl); |
| writel(PLL_VIDEO_FRAC_REG, |
| G_vout_rct_pclk[i].video_frac); |
| writel(SCALER_VIDEO_POST_REG, |
| G_vout_rct_pclk[i].scaler_post); |
| writel(SCALER_VIDEO_OS_RATION_REG, |
| G_vout_rct_pclk[i].os_ratio); |
| |
| if (G_vout_rct_pclk[i].video_frac != 0x0) { |
| amba_outl(0x70170130, 0x00f10000); |
| amba_outl(0x70170134, 0x00069300); |
| } |
| writel(PLL_VIDEO_CTRL_REG, |
| G_vout_rct_pclk[i].video_ctrl); |
| writel(PLL_VIDEO_CTRL_REG, |
| G_vout_rct_pclk[i].video_ctrl | 0x01); |
| writel(SCALER_VIDEO_REG, |
| G_vout_rct_pclk[i].scaler_pre); |
| |
| vo_clk_freq_hz = G_vout_rct_pclk[i].freq; |
| } |
| } else { |
| /* Fref = 27MHz as default */ |
| rct_set_vout_pll_onchip(PLL_VIDEO, freq_hz); |
| } |
| } |
| } |
| |
| static int rct_rescale_vout_pll(int vo_id, u32 scale) |
| { |
| return (rct_rescale_pll(vo_id, scale)); |
| } |
| |
| /** |
| * Rescale the VOUT clock frequency |
| * 1 macrostep = 65536 microsteps |
| */ |
| void rct_rescale_vout_clk_freq_hz(u32 scale) |
| { |
| vo_clk_scaling = scale; |
| rct_rescale_vout_pll(PLL_VIDEO, scale); |
| } |
| |
| /** |
| * Rescale the VOUT clock frequency |
| * 1 macrostep = 65536 microsteps |
| */ |
| u32 get_vout_clk_rescale_value(void) |
| { |
| return vo_clk_scaling; |
| } |
| |
| /** |
| * Configure video2 clock source |
| */ |
| void rct_set_vout2_clk_src(u32 clk_src) |
| { |
| vo2_clk_src = clk_src; |
| } |
| |
| static void rct_config_vout_pll_reg (int vo_id, u32 freq_hz) |
| { |
| |
| u32 ctrl; |
| int retry = 10; |
| u32 use_ext_clk = USE_EXTERNAL_VD_CLK_REG; |
| u32 clk_ref_ext = CLK_REF_VIDEO_EXTERNAL_REG; |
| u32 use_clk_si = USE_CLK_SI_4_VO_REG; |
| u32 use_clk_si_inp = USE_CLK_SI_INPUT_MODE_REG; |
| u32 pll_ctrl = PLL_VIDEO_CTRL_REG; |
| u32 clk_src = vo_clk_src; |
| |
| #if (VOUT_DISPLAY_SECTIONS == 1) |
| u32 vd_ctrl_reg = VOUT_CTL_CONTROL_REG; |
| #endif |
| #if (VOUT_DISPLAY_SECTIONS == 2) |
| u32 vd_ctrl_reg = VOUT_DB_CONTROL_REG; |
| #endif |
| |
| switch (clk_src) { |
| case VO_CLK_ONCHIP_PLL_CLK_SI: |
| do { |
| rct_set_vout_pll_spclk(vo_id, freq_hz); |
| |
| writeb(use_ext_clk, 0x0); |
| writeb(clk_ref_ext, 0x1); |
| writeb(use_clk_si, 0x1); |
| |
| /* SI clock input mode */ |
| writeb(use_clk_si_inp, 1); |
| |
| rct_alan_zhu_magic_loop(PLL_LOCK_VIDEO); |
| |
| if (readl(vd_ctrl_reg) != 0) |
| break; |
| else { |
| retry--; |
| } |
| //#ifdef VOUT_PLL_DEBUG |
| printk("Retry(%d)", retry); |
| //#endif |
| } while (retry); |
| |
| break; |
| case VO_CLK_ONCHIP_PLL_SP_CLK: |
| do { |
| rct_set_vout_pll_spclk(vo_id, freq_hz); |
| writeb(use_ext_clk, 0x0); |
| writeb(clk_ref_ext, 0x1); |
| writeb(use_clk_si, 0x0); |
| writeb(use_clk_si_inp, 0); /* SI clock input mode */ |
| |
| rct_alan_zhu_magic_loop(PLL_LOCK_VIDEO); |
| |
| if (readl(vd_ctrl_reg) != 0) |
| break; |
| else { |
| retry--; |
| #ifdef VOUT_PLL_DEBUG |
| sp_retry++; |
| printk("SPCLK : %d Retry(%d)", sp_retry, retry); |
| #endif |
| } |
| } while (retry); |
| |
| break; |
| case VO_CLK_EXTERNAL: |
| do { |
| ctrl = readl(pll_ctrl); |
| writeb(use_ext_clk, 0x1); |
| |
| rct_alan_zhu_magic_loop(PLL_LOCK_VIDEO); |
| |
| if (readl(vd_ctrl_reg) != 0) |
| break; |
| else { |
| retry--; |
| } |
| #ifdef VOUT_PLL_DEBUG |
| printk("Retry(%d)", retry); |
| #endif |
| |
| } while (retry); |
| |
| break; |
| default: /* VO_CLK_PLL_27MHZ */ |
| if (vo_id == PLL_VIDEO) |
| vo_clk_src = VO_CLK_ONCHIP_PLL_27MHZ; |
| else |
| vo2_clk_src = VO_CLK_ONCHIP_PLL_27MHZ; |
| |
| do { |
| rct_set_vout_pll_onchip(vo_id, freq_hz); |
| |
| writeb(use_ext_clk, 0x0); |
| writeb(clk_ref_ext, 0x0); |
| writeb(use_clk_si, 0x0); |
| writeb(use_clk_si_inp, 0); /* SI clock output mode */ |
| |
| rct_alan_zhu_magic_loop(PLL_LOCK_VIDEO); |
| |
| if (readl(vd_ctrl_reg) != 0) |
| break; |
| else { |
| retry--; |
| #ifdef VOUT_PLL_DEBUG |
| a2_retry++; |
| printk("Onchip : %d Retry(%d)", a2_retry, retry); |
| #endif |
| } |
| } while (retry); |
| }; |
| |
| #ifdef VOUT_PLL_DEBUG |
| if (retry == 0) { |
| printk("Retry failed!!!!"); |
| K_ASSERT(0); |
| } |
| #endif |
| } |
| |
| /** |
| * Configure video clock out |
| */ |
| void rct_set_vout2_freq_hz(u32 freq_hz) |
| { |
| } |
| |
| /** |
| * Rescale the VOUT clock frequency |
| * 1 macrostep = 65536 microsteps |
| */ |
| void rct_rescale_vout2_clk_freq_hz(u32 scale) |
| { |
| } |
| |
| /** |
| * Rescale the VOUT clock frequency |
| * 1 macrostep = 65536 microsteps |
| */ |
| u32 get_vout2_clk_rescale_value(void) |
| { |
| return vo2_clk_scaling; |
| } |
| |
| /** |
| * Configure video clock out |
| */ |
| void rct_set_vout_freq_hz(u32 freq_hz) |
| { |
| amba_outl(0x70170130, 0x00770000); |
| amba_outl(0x70170134, 0x00068300); |
| rct_config_vout_pll_reg (PLL_VIDEO, freq_hz); |
| |
| } |
| |
| /** |
| * Configure stepping motor clock frequency |
| */ |
| void rct_set_motor_freq_hz(u32 freq_hz) |
| { |
| register u32 clk; |
| |
| clk = PLL_FREQ_HZ / freq_hz; |
| writel(CG_MOTOR_REG, clk); |
| } |
| |
| /** |
| * Configure stepping motor clock frequency |
| */ |
| void rct_set_pwm_freq_hz(u32 freq_hz) |
| { |
| register u32 clk; |
| |
| clk = get_so_freq_hz() / freq_hz; |
| writel(CG_PWM_REG, (clk)); |
| } |
| |
| void rct_set_usb_ana_on(void) |
| { |
| writel(ANA_PWR_REG, readl(ANA_PWR_REG) | 6); |
| } |
| |
| void rct_suspend_usb(void) |
| { |
| writel(ANA_PWR_REG, readl(ANA_PWR_REG) & ~0x06); |
| } |
| |
| /* |
| * Used by low-level usb driver initialization |
| */ |
| void rct_set_usb_clk(void) |
| { |
| #if defined(CONFIG_BSP_JIG) || defined(CONFIG_SENSOR_ALTA2462L2) |
| rct_set_usb_ext_clk(); |
| #else |
| rct_ena_usb_int_clk(); |
| #endif |
| } |
| |
| void rct_set_usb_ext_clk(void) |
| { |
| |
| } |
| |
| void rct_ena_usb_int_clk(void) |
| { |
| |
| } |
| |
| void rct_set_usb_debounce(void) |
| { |
| |
| } |
| |
| void rct_turn_off_usb_pll(void) |
| { |
| |
| } |
| |
| /* |
| * Used by test_usb code |
| */ |
| void rct_set_usb_int_clk(void) |
| { |
| |
| } |
| |
| u32 read_usb_reg_setting(void) |
| { |
| |
| return 0; |
| } |
| |
| void rct_set_usb_phy_pll(void) |
| { |
| register u32 clk; |
| |
| /* Program the USB phy clock generator */ |
| clk = get_core_bus_freq_hz(); |
| |
| if (clk == 216000000) { |
| /* Core == 216MHz, */ |
| writel(USB_REFCLK_REG,readl(USB_REFCLK_REG) | 0x01 ); |
| writel(SCALER_USB_REG, |
| (readl(SCALER_USB_REG) & 0xffe0ff00) | |
| 0x00100012 |
| ); |
| } |
| else if (clk == 162000000){ |
| /* Core == 162MHz, */ |
| writel(USB_REFCLK_REG,readl(USB_REFCLK_REG) | 0x01 ); |
| writel(SCALER_USB_REG, |
| (readl(SCALER_USB_REG) & 0xffe0ff00) | |
| 0x0001001b |
| ); |
| } |
| else |
| { |
| printk("need external clock for usb phy"); |
| /* set Core == 216MHz, */ |
| writel(USB_REFCLK_REG,readl(USB_REFCLK_REG) | 0x01 ); |
| writel(SCALER_USB_REG, |
| (readl(SCALER_USB_REG) & 0xffe0ff00) | |
| 0x00100012 |
| ); |
| } |
| |
| } |
| |
| /* called by prusb driver */ |
| void _init_usb_pll(void) |
| { |
| rct_set_usb_phy_pll(); |
| rct_set_usb_ana_on(); |
| udelay(150); |
| } |
| |
| /** |
| * Select HDMI clock source |
| */ |
| void rct_set_hdmi_clk_src(u32 clk_src) |
| { |
| hdmi_clk_src = clk_src; |
| |
| switch (hdmi_clk_src) { |
| |
| /* FIXME */ |
| case HDMI_CLK_ONCHIP_PLL: |
| writeb(HDMI_CTRL_REG, (readb(HDMI_CTRL_REG) & (~0x5))); |
| break; |
| case HDMI_CLK_EXTERNAL: |
| writeb(HDMI_CTRL_REG, (readb(HDMI_CTRL_REG) & (~0x4)) | 0x1); |
| break; |
| default: /* HDMI_CLK_PHY_CLK_VO, default setting */ |
| writeb(HDMI_CTRL_REG, readb(HDMI_CTRL_REG) | 0x4); |
| } |
| } |
| |
| /** |
| * Clock RCT runtime object. Clock output using ref Colck |
| */ |
| struct clk_rct_refclk_obj_s { |
| u32 fref; |
| u32 freq; |
| u32 ctrl; |
| u32 frac; |
| u32 scaler_pre; |
| u32 scaler_post; |
| }; |
| |
| /** |
| * RCT register settings for SO with Fref = 27MHz |
| */ |
| static struct clk_rct_refclk_obj_s G_vin_rct_spclk[] = { |
| /* Fref Freq |
| Ctrl FRAC PRE POST */ |
| /* Fref = 13.5 MHz */ |
| {PLL_CLK_240MHZ, PLL_CLK_320MHZ, |
| 0x0f017100, 0x0, 0x00010030, 0x00010001}, |
| {PLL_CLK_240MHZ, PLL_CLK_384MHZ, |
| 0x0f01f100, 0x0, 0x00010050, 0x00010001}, |
| |
| /* 27MHz as default */ |
| {0x0, 0, |
| 0x0, 0x0, 0x0, 0x0} |
| }; |
| |
| u32 rct_cal_vin_freq_hz_slvs(u32 dclk, u32 act_lanes, u32 pel_width, u32 ddr) |
| { |
| return ((dclk * act_lanes / pel_width) / (4 << ddr)); |
| } |
| |
| void rct_set_vin_freq_hz(u32 ref_freq_hz, u32 freq_hz) |
| { |
| int i; |
| |
| for (i = 0; ;i++) { |
| if ((G_vin_rct_spclk[i].fref == 0) || |
| ((G_vin_rct_spclk[i].fref == ref_freq_hz) && |
| (G_vin_rct_spclk[i].freq == freq_hz)) ) |
| break; |
| } |
| |
| |
| |
| if (G_vin_rct_spclk[i].fref == 0) |
| i = 1; /* 27MHz */ |
| |
| amba_outl(0x701701b8, 0x3f770000); |
| amba_outl(0x701701bc, 0x00068300); |
| |
| writel(SCALER_VIN_PRE_REG, 0x0010003); |
| writel(SCALER_VIN_PRE_REG, G_vin_rct_spclk[i].scaler_pre); |
| writel(PLL_VIN_FRAC_REG, G_vin_rct_spclk[i].frac); |
| writel(PLL_VIN_CTRL_REG, G_vin_rct_spclk[i].ctrl); |
| writel(PLL_VIN_CTRL_REG, G_vin_rct_spclk[i].ctrl | 0x1); |
| dly_tsk(1); |
| writel(SCALER_VIN_POST_REG, 0x0010002); |
| writel(SCALER_VIN_POST_REG, G_vin_rct_spclk[i].scaler_post); |
| } |
| |
| void rct_set_hdmi_phy_freq_hz(u32 freq_hz) |
| { |
| } |
| |
| int get_ssi_clk_src(void) |
| { |
| return (readb(CLK_REF_SSI_REG) & 0x1); |
| } |
| |
| void rct_set_ssi_clk_src(int src) |
| { |
| writeb(CLK_REF_SSI_REG, src & 0x1); |
| } |
| |
| /* |
| * Config the mode of LVDS I/O pads |
| */ |
| void rct_set_vin_lvds_pad(int mode) |
| { |
| } |
| |
| void rct_set_adc_clk_freq_hz(u32 freq_hz) |
| { |
| register u32 clk_div; |
| |
| clk_div = PLL_FREQ_HZ / freq_hz; |
| writel(SCALER_ADC_REG, 0x0010000 | clk_div); |
| } |