diff options
| -rw-r--r-- | arch/powerpc/include/asm/immap_85xx.h | 10 | ||||
| -rw-r--r-- | board/freescale/p1022ds/p1022ds.c | 56 | ||||
| -rw-r--r-- | doc/README.p1022ds | 24 |
3 files changed, 79 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index 5118fe0..b51017b 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -1937,7 +1937,17 @@ typedef struct ccsr_gur { #define MPC85xx_PMUXCR_QE10 0x00000020 #define MPC85xx_PMUXCR_QE11 0x00000010 #define MPC85xx_PMUXCR_QE12 0x00000008 +#if defined(CONFIG_P1013) || defined(CONFIG_P1022) +#define MPC85xx_PMUXCR_TDM_MASK 0x0001cc00 +#define MPC85xx_PMUXCR_TDM 0x00014800 +#define MPC85xx_PMUXCR_SPI_MASK 0x00600000 +#define MPC85xx_PMUXCR_SPI 0x00000000 +#endif u32 pmuxcr2; /* Alt. function signal multiplex control 2 */ +#if defined(CONFIG_P1013) || defined(CONFIG_P1022) +#define MPC85xx_PMUXCR2_ETSECUSB_MASK 0x001f1000 +#define MPC85xx_PMUXCR2_USB 0x00150000 +#endif u8 res6[8]; u32 devdisr; /* Device disable control */ #define MPC85xx_DEVDISR_PCI1 0x80000000 diff --git a/board/freescale/p1022ds/p1022ds.c b/board/freescale/p1022ds/p1022ds.c index 6f20dc3..8b78404 100644 --- a/board/freescale/p1022ds/p1022ds.c +++ b/board/freescale/p1022ds/p1022ds.c @@ -93,11 +93,19 @@ int checkboard(void) /* Choose the 11.2896Mhz codec reference clock */ #define CONFIG_PIXIS_BRDCFG1_AUDCLK_11 0x01 +/* Connect to USB2 */ +#define CONFIG_PIXIS_BRDCFG0_USB2 0x10 +/* Connect to TFM bus */ +#define CONFIG_PIXIS_BRDCFG1_TDM 0x0c +/* Connect to SPI */ +#define CONFIG_PIXIS_BRDCFG0_SPI 0x80 + int misc_init_r(void) { u8 temp; const char *audclk; size_t arglen; + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); /* For DVI, enable the TFP410 Encoder. */ @@ -115,22 +123,48 @@ int misc_init_r(void) return -1; debug("DVI Encoder Read: 0x%02x\n",temp); + /* Enable the USB2 in PMUXCR2 and FGPA */ + if (hwconfig("usb2")) { + clrsetbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_ETSECUSB_MASK, + MPC85xx_PMUXCR2_USB); + setbits_8(&pixis->brdcfg0, CONFIG_PIXIS_BRDCFG0_USB2); + } + + /* tdm and audio can not enable simultaneous*/ + if (hwconfig("tdm") && hwconfig("audclk")){ + printf("WARNING: TDM and AUDIO can not be enabled simultaneous !\n"); + return -1; + } + + /* Enable the TDM in PMUXCR and FGPA */ + if (hwconfig("tdm")) { + clrsetbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_TDM_MASK, + MPC85xx_PMUXCR_TDM); + setbits_8(&pixis->brdcfg1, CONFIG_PIXIS_BRDCFG1_TDM); + /* TDM need some configration option by SPI */ + clrsetbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SPI_MASK, + MPC85xx_PMUXCR_SPI); + setbits_8(&pixis->brdcfg0, CONFIG_PIXIS_BRDCFG0_SPI); + } + /* * Enable the reference clock for the WM8776 codec, and route the MUX * pins for SSI. The default is the 12.288 MHz clock */ - temp = in_8(&pixis->brdcfg1) & ~(CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK | - CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK); - temp |= CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI; - - audclk = hwconfig_arg("audclk", &arglen); - /* Check the first two chars only */ - if (audclk && (strncmp(audclk, "11", 2) == 0)) - temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_11; - else - temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_12; - out_8(&pixis->brdcfg1, temp); + if (hwconfig("audclk")) { + temp = in_8(&pixis->brdcfg1) & ~(CONFIG_PIXIS_BRDCFG1_SSI_TDM_MASK | + CONFIG_PIXIS_BRDCFG1_AUDCLK_MASK); + temp |= CONFIG_PIXIS_BRDCFG1_SSI_TDM_SSI; + + audclk = hwconfig_arg("audclk", &arglen); + /* Check the first two chars only */ + if (audclk && (strncmp(audclk, "11", 2) == 0)) + temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_11; + else + temp |= CONFIG_PIXIS_BRDCFG1_AUDCLK_12; + setbits_8(&pixis->brdcfg1, temp); + } return 0; } diff --git a/doc/README.p1022ds b/doc/README.p1022ds new file mode 100644 index 0000000..473ecf6 --- /dev/null +++ b/doc/README.p1022ds @@ -0,0 +1,24 @@ +Overview +-------- +P1022ds is a Low End Dual core platform supporting the P1022 processor +of QorIQ series. P1022 is an e500 based dual core SOC. + + +Pin Multiplex(hwconfig setting) +------------------------------- +Add the environment 'usb2', 'audclk' and 'tdm' to support pin multiplex +via hwconfig, i.e: +'setenv hwconfig usb2' to enable USB2 and disable eTsec2 +'setenv hwconfig tdm' to enable TDM and disable Audio +'setenv hwconfig audclk:12' to enable Audio(codec clock sources is 12MHz) + and disable TDM +'setenv hwconfig 'usb2;tdm' to enable USB2 and TDM, disable eTsec2 and Audio +'setenv hwconfig 'usb2;audclk:11' to enable USB2 and Audio(codec clock sources + is 11MHz), disable eTsec2 and TDM + +Warning: TDM and AUDIO can not enable simultaneous ! +and AUDIO codec clock sources only setting as 11MHz or 12MHz ! +'setenv hwconfig 'audclk:12;tdm' --- error ! +'setenv hwconfig 'audclk:11;tdm' --- error ! +'setenv hwconfig 'audclk:10' --- error ! + |