diff options
Diffstat (limited to 'board/freescale')
-rw-r--r-- | board/freescale/mx6qarm2/mx6qarm2.c | 8 | ||||
-rw-r--r-- | board/freescale/mx6qsabreauto/mx6qsabreauto.c | 38 | ||||
-rw-r--r-- | board/freescale/mx6sabresd/mx6sabresd.c | 191 | ||||
-rw-r--r-- | board/freescale/mx6slevk/mx6slevk.c | 54 | ||||
-rw-r--r-- | board/freescale/mx6sxsabreauto/mx6sxsabreauto.c | 27 | ||||
-rw-r--r-- | board/freescale/mx6sxsabresd/mx6sxsabresd.c | 51 | ||||
-rw-r--r-- | board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 37 |
7 files changed, 406 insertions, 0 deletions
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c index db605c7..15471c2 100644 --- a/board/freescale/mx6qarm2/mx6qarm2.c +++ b/board/freescale/mx6qarm2/mx6qarm2.c @@ -306,3 +306,11 @@ int checkboard(void) return 0; } + +#ifdef CONFIG_LDO_BYPASS_CHECK +/* no external pmic, always ldo_enable */ +void ldo_mode_set(int ldo_bypass) +{ + return; +} +#endif diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index e0ff4fc..de68caf 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -785,6 +785,44 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + unsigned int value; + struct pmic *p = pmic_get("PFUZE100"); + + if (!p) { + printf("No PMIC found!\n"); + return; + } + + /* increase VDDARM/VDDSOC to support 1.2G chip */ + if (check_1_2G()) { + ldo_bypass = 0; /* ldo_enable on 1.2G chip */ + printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); + + if (is_mx6dqp()) { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW2VOL, &value); + value &= ~0x3f; + value |= 0x29; + pmic_reg_write(p, PFUZE100_SW2VOL, value); + } else { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + } + /* increase VDDSOC to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + } +} +#endif + #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index d0db0c6..c09c9d2 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -1076,6 +1076,197 @@ int power_init_board(void) } #endif +#ifdef CONFIG_LDO_BYPASS_CHECK +#ifdef CONFIG_POWER +void ldo_mode_set(int ldo_bypass) +{ + unsigned int value; + int is_400M; + unsigned char vddarm; + struct pmic *p = pmic_get("PFUZE100"); + + if (!p) { + printf("No PMIC found!\n"); + return; + } + + /* increase VDDARM/VDDSOC to support 1.2G chip */ + if (check_1_2G()) { + ldo_bypass = 0; /* ldo_enable on 1.2G chip */ + printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); + if (is_mx6dqp()) { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW2VOL, &value); + value &= ~0x3f; + value |= 0x29; + pmic_reg_write(p, PFUZE100_SW2VOL, value); + } else { + /* increase VDDARM to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + } + /* increase VDDSOC to 1.425V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x2d; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + } + /* switch to ldo_bypass mode , boot on 800Mhz */ + if (ldo_bypass) { + prep_anatop_bypass(); + if (is_mx6dqp()) { + /* decrease VDDARM for 400Mhz DQP:1.1V*/ + pmic_reg_read(p, PFUZE100_SW2VOL, &value); + value &= ~0x3f; + value |= 0x1c; + pmic_reg_write(p, PFUZE100_SW2VOL, value); + } else { + /* decrease VDDARM for 400Mhz DQ:1.1V, DL:1.275V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + if (is_mx6dl()) + value |= 0x27; + else + value |= 0x20; + + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + } + /* increase VDDSOC to 1.3V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x28; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + /* + * MX6Q/DQP: + * VDDARM:1.15V@800M; VDDSOC:1.175V@800M + * VDDARM:0.975V@400M; VDDSOC:1.175V@400M + * MX6DL: + * VDDARM:1.175V@800M; VDDSOC:1.175V@800M + * VDDARM:1.075V@400M; VDDSOC:1.175V@400M + */ + is_400M = set_anatop_bypass(2); + if (is_mx6dqp()) { + pmic_reg_read(p, PFUZE100_SW2VOL, &value); + value &= ~0x3f; + if (is_400M) + value |= 0x17; + else + value |= 0x1e; + pmic_reg_write(p, PFUZE100_SW2VOL, value); + } + + if (is_400M) { + if (is_mx6dl()) + vddarm = 0x1f; + else + vddarm = 0x1b; + } else { + if (is_mx6dl()) + vddarm = 0x23; + else + vddarm = 0x22; + } + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= vddarm; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + /* decrease VDDSOC to 1.175V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x23; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + finish_anatop_bypass(); + printf("switch to ldo_bypass mode!\n"); + } +} +#elif defined(CONFIG_DM_PMIC_PFUZE100) +void ldo_mode_set(int ldo_bypass) +{ + int is_400M; + unsigned char vddarm; + struct udevice *dev; + int ret; + + ret = pmic_get("pfuze100", &dev); + if (ret == -ENODEV) { + printf("No PMIC found!\n"); + return; + } + + /* increase VDDARM/VDDSOC to support 1.2G chip */ + if (check_1_2G()) { + ldo_bypass = 0; /* ldo_enable on 1.2G chip */ + printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); + if (is_mx6dqp()) { + /* increase VDDARM to 1.425V */ + pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x29); + } else { + /* increase VDDARM to 1.425V */ + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, 0x2d); + } + /* increase VDDSOC to 1.425V */ + pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, 0x2d); + } + /* switch to ldo_bypass mode , boot on 800Mhz */ + if (ldo_bypass) { + prep_anatop_bypass(); + if (is_mx6dqp()) { + /* decrease VDDARM for 400Mhz DQP:1.1V*/ + pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x1c); + } else { + /* decrease VDDARM for 400Mhz DQ:1.1V, DL:1.275V */ + if (is_mx6dl()) + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, 0x27); + else + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, 0x20); + } + /* increase VDDSOC to 1.3V */ + pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, 0x28); + + /* + * MX6Q/DQP: + * VDDARM:1.15V@800M; VDDSOC:1.175V@800M + * VDDARM:0.975V@400M; VDDSOC:1.175V@400M + * MX6DL: + * VDDARM:1.175V@800M; VDDSOC:1.175V@800M + * VDDARM:1.075V@400M; VDDSOC:1.175V@400M + */ + is_400M = set_anatop_bypass(2); + if (is_mx6dqp()) { + if (is_400M) + pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x17); + else + pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x1e); + } + + if (is_400M) { + if (is_mx6dl()) + vddarm = 0x1f; + else + vddarm = 0x1b; + } else { + if (is_mx6dl()) + vddarm = 0x23; + else + vddarm = 0x22; + } + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, vddarm); + + /* decrease VDDSOC to 1.175V */ + pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, 0x23); + + finish_anatop_bypass(); + printf("switch to ldo_bypass mode!\n"); + } +} +#endif +#endif + #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c index 1e2f67b..76fc24e 100644 --- a/board/freescale/mx6slevk/mx6slevk.c +++ b/board/freescale/mx6slevk/mx6slevk.c @@ -400,6 +400,60 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + u32 value; + int is_400M; + struct pmic *p = pmic_get("PFUZE100"); + + if (!p) { + printf("No pmic!\n"); + return; + } + + /* swith to ldo_bypass mode */ + if (ldo_bypass) { + prep_anatop_bypass(); + + /* decrease VDDARM to 1.1V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= 0x20; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + /* increase VDDSOC to 1.3V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x28; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + is_400M = set_anatop_bypass(0); + + /* + * MX6SL: VDDARM:1.175V@800M; VDDSOC:1.175V@800M + * VDDARM:0.975V@400M; VDDSOC:1.175V@400M + */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + if (is_400M) + value |= 0x1b; + else + value |= 0x23; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + /* decrease VDDSOC to 1.175V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= 0x23; + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + finish_anatop_bypass(); + printf("switch to ldo_bypass mode!\n"); + } +} +#endif + #endif #ifdef CONFIG_FEC_MXC diff --git a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c index 36c4c12..7fd74d9 100644 --- a/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c +++ b/board/freescale/mx6sxsabreauto/mx6sxsabreauto.c @@ -181,6 +181,33 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + struct udevice *dev; + int ret; + + ret = pmic_get("pfuze100", &dev); + if (ret == -ENODEV) { + printf("No PMIC found!\n"); + return; + } + + /* switch to ldo_bypass mode */ + if (ldo_bypass) { + /* decrease VDDARM to 1.15V */ + pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, SW1x_1_150V); + + /* decrease VDDSOC to 1.15V */ + pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, SW1x_1_150V); + + set_anatop_bypass(1); + + printf("switch to ldo_bypass mode!\n"); + } +} +#endif + #ifdef CONFIG_USB_EHCI_MX6 #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) diff --git a/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/board/freescale/mx6sxsabresd/mx6sxsabresd.c index d242072..ebb837b 100644 --- a/board/freescale/mx6sxsabresd/mx6sxsabresd.c +++ b/board/freescale/mx6sxsabresd/mx6sxsabresd.c @@ -329,6 +329,57 @@ int power_init_board(void) return 0; } +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + unsigned int value; + int is_400M; + u32 vddarm; + struct pmic *p = pmic_get("PFUZE100"); + + if (!p) { + printf("No PMIC found!\n"); + return; + } + + /* switch to ldo_bypass mode */ + if (ldo_bypass) { + prep_anatop_bypass(); + /* decrease VDDARM to 1.275V */ + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(12750); + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + /* decrease VDDSOC to 1.3V */ + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(13000); + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + is_400M = set_anatop_bypass(1); + if (is_400M) + vddarm = PFUZE100_SW1ABC_SETP(10750); + else + vddarm = PFUZE100_SW1ABC_SETP(11750); + + pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); + value &= ~0x3f; + value |= vddarm; + pmic_reg_write(p, PFUZE100_SW1ABVOL, value); + + pmic_reg_read(p, PFUZE100_SW1CVOL, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(11750); + pmic_reg_write(p, PFUZE100_SW1CVOL, value); + + finish_anatop_bypass(); + printf("switch to ldo_bypass mode!\n"); + } + +} +#endif + #ifdef CONFIG_USB_EHCI_MX6 #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c index 826d2c9..b34f818 100644 --- a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c @@ -217,6 +217,43 @@ int power_init_board(void) return 0; } + +#ifdef CONFIG_LDO_BYPASS_CHECK +void ldo_mode_set(int ldo_bypass) +{ + unsigned int value; + u32 vddarm; + + struct pmic *p = pmic_get("PFUZE3000"); + + if (!p) { + printf("No PMIC found!\n"); + return; + } + + /* switch to ldo_bypass mode */ + if (ldo_bypass) { + prep_anatop_bypass(); + /* decrease VDDARM to 1.275V */ + pmic_reg_read(p, PFUZE3000_SW1BVOLT, &value); + value &= ~0x1f; + value |= PFUZE3000_SW1AB_SETP(1275); + pmic_reg_write(p, PFUZE3000_SW1BVOLT, value); + + set_anatop_bypass(1); + vddarm = PFUZE3000_SW1AB_SETP(1175); + + pmic_reg_read(p, PFUZE3000_SW1BVOLT, &value); + value &= ~0x1f; + value |= vddarm; + pmic_reg_write(p, PFUZE3000_SW1BVOLT, value); + + finish_anatop_bypass(); + + printf("switch to ldo_bypass mode!\n"); + } +} +#endif #endif #endif |