Instead of hardcoding the mx6 silicon revision, read it in run-time.
Also, besides the silicon version print the mx6 variant type: quad,dual/solo or solo-lite.
Tested on a mx6qsabrelite, where it shows:
CPU: Freescale i.MX6Q rev1.0 at 792 MHz
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Changes since v3: - Provide a complete struct for anatop registers Changes since v2: - Read both chip variant and chip silicon version from anatop - Create a struct for accessing the anatop registers Changes since v1: - Fix typo on Subject arch/arm/cpu/armv7/imx-common/cpu.c | 19 ++++- arch/arm/cpu/armv7/mx6/soc.c | 8 ++- arch/arm/include/asm/arch-mx6/imx-regs.h | 142 ++++++++++++++++++++++++++++++ 3 files changed, 166 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/imx-common/cpu.c b/arch/arm/cpu/armv7/imx-common/cpu.c index 1e30ae5..35724df 100644 --- a/arch/arm/cpu/armv7/imx-common/cpu.c +++ b/arch/arm/cpu/armv7/imx-common/cpu.c @@ -63,13 +63,28 @@ static char *get_reset_cause(void) }
#if defined(CONFIG_DISPLAY_CPUINFO) + +static char *get_mx6_type(u32 mx6type) +{ + switch (mx6type) { + case 0x63: + return "Q"; /* Quad-core version of the mx6 */ + case 0x61: + return "DS"; /* Dual/Solo version of the mx6 */ + case 0x60: + return "SL"; /* Solo-Lite version of the mx6 */ + default: + return "unknown"; + } +} + int print_cpuinfo(void) { u32 cpurev;
cpurev = get_cpu_rev(); - printf("CPU: Freescale i.MX%x family rev%d.%d at %d MHz\n", - (cpurev & 0xFF000) >> 12, + printf("CPU: Freescale i.MX6%s rev%d.%d at %d MHz\n", + get_mx6_type((cpurev & 0xFF000) >> 12), (cpurev & 0x000F0) >> 4, (cpurev & 0x0000F) >> 0, mxc_get_clock(MXC_ARM_CLK) / 1000000); diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 2ac74b5..a81e2bc 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -32,7 +32,13 @@
u32 get_cpu_rev(void) { - int system_rev = 0x61000 | CHIP_REV_1_0; + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int reg = readl(&anatop->digprog); + + /* Read mx6 variant: quad, dual or solo */ + int system_rev = (reg >> 4) & 0xFF000; + /* Read mx6 silicon revision */ + system_rev |= (reg & 0xFF) + 0x10;
return system_rev; } diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 6a200bb..5928d03 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -295,5 +295,147 @@ struct aipstz_regs { u32 opacr4; };
+struct anatop_regs { + u32 pll_sys; /* 0x000 */ + u32 pll_sys_set; /* 0x004 */ + u32 pll_sys_clr; /* 0x008 */ + u32 pll_sys_tog; /* 0x00c */ + u32 usb1_pll_480_ctrl; /* 0x010 */ + u32 usb1_pll_480_ctrl_set; /* 0x014 */ + u32 usb1_pll_480_ctrl_clr; /* 0x018 */ + u32 usb1_pll_480_ctrl_tog; /* 0x01c */ + u32 usb2_pll_480_ctrl; /* 0x020 */ + u32 usb2_pll_480_ctrl_set; /* 0x024 */ + u32 usb2_pll_480_ctrl_clr; /* 0x028 */ + u32 usb2_pll_480_ctrl_tog; /* 0x02c */ + u32 pll_528; /* 0x030 */ + u32 pll_528_set; /* 0x034 */ + u32 pll_528_clr; /* 0x038 */ + u32 pll_528_tog; /* 0x03c */ + u32 pll_528_ss; /* 0x040 */ + u32 rsvd0[3]; + u32 pll_528_num; /* 0x050 */ + u32 rsvd1[3]; + u32 pll_528_denom; /* 0x060 */ + u32 rsvd2[3]; + u32 pll_audio; /* 0x070 */ + u32 pll_audio_set; /* 0x074 */ + u32 pll_audio_clr; /* 0x078 */ + u32 pll_audio_tog; /* 0x07c */ + u32 pll_audio_num; /* 0x080 */ + u32 rsvd3[3]; + u32 pll_audio_denom; /* 0x090 */ + u32 rsvd4[3]; + u32 pll_video; /* 0x0a0 */ + u32 pll_video_set; /* 0x0a4 */ + u32 pll_video_clr; /* 0x0a8 */ + u32 pll_video_tog; /* 0x0ac */ + u32 pll_video_num; /* 0x0b0 */ + u32 rsvd5[3]; + u32 pll_video_denom; /* 0x0c0 */ + u32 rsvd6[3]; + u32 pll_mlb; /* 0x0d0 */ + u32 pll_mlb_set; /* 0x0d4 */ + u32 pll_mlb_clr; /* 0x0d8 */ + u32 pll_mlb_tog; /* 0x0dc */ + u32 pll_enet; /* 0x0e0 */ + u32 pll_enet_set; /* 0x0e4 */ + u32 pll_enet_clr; /* 0x0e8 */ + u32 pll_enet_tog; /* 0x0ec */ + u32 pfd_480; /* 0x0f0 */ + u32 pfd_480_set; /* 0x0f4 */ + u32 pfd_480_clr; /* 0x0f8 */ + u32 pfd_480_tog; /* 0x0fc */ + u32 pfd_528; /* 0x100 */ + u32 pfd_528_set; /* 0x104 */ + u32 pfd_528_clr; /* 0x108 */ + u32 pfd_528_tog; /* 0x10c */ + u32 reg_1p1; /* 0x110 */ + u32 reg_1p1_set; /* 0x114 */ + u32 reg_1p1_clr; /* 0x118 */ + u32 reg_1p1_tog; /* 0x11c */ + u32 reg_3p0; /* 0x120 */ + u32 reg_3p0_set; /* 0x124 */ + u32 reg_3p0_clr; /* 0x128 */ + u32 reg_3p0_tog; /* 0x12c */ + u32 reg_2p5; /* 0x130 */ + u32 reg_2p5_set; /* 0x134 */ + u32 reg_2p5_clr; /* 0x138 */ + u32 reg_2p5_tog; /* 0x13c */ + u32 reg_core; /* 0x140 */ + u32 reg_core_set; /* 0x144 */ + u32 reg_core_clr; /* 0x148 */ + u32 reg_core_tog; /* 0x14c */ + u32 ana_misc0; /* 0x150 */ + u32 ana_misc0_set; /* 0x154 */ + u32 ana_misc0_clr; /* 0x158 */ + u32 ana_misc0_tog; /* 0x15c */ + u32 ana_misc1; /* 0x160 */ + u32 ana_misc1_set; /* 0x164 */ + u32 ana_misc1_clr; /* 0x168 */ + u32 ana_misc1_tog; /* 0x16c */ + u32 ana_misc2; /* 0x170 */ + u32 ana_misc2_set; /* 0x174 */ + u32 ana_misc2_clr; /* 0x178 */ + u32 ana_misc2_tog; /* 0x17c */ + u32 tempsense0; /* 0x180 */ + u32 tempsense0_set; /* 0x184 */ + u32 tempsense0_clr; /* 0x188 */ + u32 tempsense0_tog; /* 0x18c */ + u32 tempsense1; /* 0x190 */ + u32 tempsense1_set; /* 0x194 */ + u32 tempsense1_clr; /* 0x198 */ + u32 tempsense1_tog; /* 0x19c */ + u32 usb1_vbus_detect; /* 0x1a0 */ + u32 usb1_vbus_detect_set; /* 0x1a4 */ + u32 usb1_vbus_detect_clr; /* 0x1a8 */ + u32 usb1_vbus_detect_tog; /* 0x1ac */ + u32 usb1_chrg_detect; /* 0x1b0 */ + u32 usb1_chrg_detect_set; /* 0x1b4 */ + u32 usb1_chrg_detect_clr; /* 0x1b8 */ + u32 usb1_chrg_detect_tog; /* 0x1bc */ + u32 usb1_vbus_det_stat; /* 0x1c0 */ + u32 usb1_vbus_det_stat_set; /* 0x1c4 */ + u32 usb1_vbus_det_stat_clr; /* 0x1c8 */ + u32 usb1_vbus_det_stat_tog; /* 0x1cc */ + u32 usb1_chrg_det_stat; /* 0x1d0 */ + u32 usb1_chrg_det_stat_set; /* 0x1d4 */ + u32 usb1_chrg_det_stat_clr; /* 0x1d8 */ + u32 usb1_chrg_det_stat_tog; /* 0x1dc */ + u32 usb1_loopback; /* 0x1e0 */ + u32 usb1_loopback_set; /* 0x1e4 */ + u32 usb1_loopback_clr; /* 0x1e8 */ + u32 usb1_loopback_tog; /* 0x1ec */ + u32 usb1_misc; /* 0x1f0 */ + u32 usb1_misc_set; /* 0x1f4 */ + u32 usb1_misc_clr; /* 0x1f8 */ + u32 usb1_misc_tog; /* 0x1fc */ + u32 usb2_vbus_detect; /* 0x200 */ + u32 usb2_vbus_detect_set; /* 0x204 */ + u32 usb2_vbus_detect_clr; /* 0x208 */ + u32 usb2_vbus_detect_tog; /* 0x20c */ + u32 usb2_chrg_detect; /* 0x210 */ + u32 usb2_chrg_detect_set; /* 0x214 */ + u32 usb2_chrg_detect_clr; /* 0x218 */ + u32 usb2_chrg_detect_tog; /* 0x21c */ + u32 usb2_vbus_det_stat; /* 0x220 */ + u32 usb2_vbus_det_stat_set; /* 0x224 */ + u32 usb2_vbus_det_stat_clr; /* 0x228 */ + u32 usb2_vbus_det_stat_tog; /* 0x22c */ + u32 usb2_chrg_det_stat; /* 0x230 */ + u32 usb2_chrg_det_stat_set; /* 0x234 */ + u32 usb2_chrg_det_stat_clr; /* 0x238 */ + u32 usb2_chrg_det_stat_tog; /* 0x23c */ + u32 usb2_loopback; /* 0x240 */ + u32 usb2_loopback_set; /* 0x244 */ + u32 usb2_loopback_clr; /* 0x248 */ + u32 usb2_loopback_tog; /* 0x24c */ + u32 usb2_misc; /* 0x250 */ + u32 usb2_misc_set; /* 0x254 */ + u32 usb2_misc_clr; /* 0x258 */ + u32 usb2_misc_tog; /* 0x25c */ + u32 digprog; /* 0x260 */ +}; + #endif /* __ASSEMBLER__*/ #endif /* __ASM_ARCH_MX6_IMX_REGS_H__ */