diff options
Diffstat (limited to 'include/configs/spc1920.h')
| -rw-r--r-- | include/configs/spc1920.h | 102 |
1 files changed, 87 insertions, 15 deletions
diff --git a/include/configs/spc1920.h b/include/configs/spc1920.h index 9d3609a..09bbebd 100644 --- a/include/configs/spc1920.h +++ b/include/configs/spc1920.h @@ -44,19 +44,19 @@ #define CONFIG_BAUDRATE 19200 /* use PLD CLK4 instead of brg */ -#undef CFG_SPC1920_SMC1_CLK4 +#define CFG_SPC1920_SMC1_CLK4 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ #define CONFIG_8xx_CPUCLK_DEFAULT 50000000 #define CFG_8xx_CPUCLK_MIN 40000000 #define CFG_8xx_CPUCLK_MAX 133000000 -#define CFG_RESET_ADDRESS 0xf8000000 +#define CFG_RESET_ADDRESS 0xC0000000 #define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_LAST_STAGE_INIT - -#if 1 +#if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ @@ -83,12 +83,13 @@ #ifndef CONFIG_COMMANDS #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_ASKENV \ + | CFG_CMD_DATE \ | CFG_CMD_ECHO \ | CFG_CMD_IMMAP \ | CFG_CMD_JFFS2 \ | CFG_CMD_PING \ | CFG_CMD_DHCP \ - | CFG_CMD_IMMAP \ + | CFG_CMD_I2C \ | CFG_CMD_MII) /* & ~( CFG_CMD_NET)) */ @@ -193,13 +194,39 @@ #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ +#ifdef CFG_CMD_DATE +# define CONFIG_RTC_DS3231 +# define CFG_I2C_RTC_ADDR 0x68 +#endif + /*----------------------------------------------------------------------- * I2C configuration */ #if (CONFIG_COMMANDS & CFG_CMD_I2C) -#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ -#define CFG_I2C_SPEED 400000 /* I2C speed and slave address defaults */ -#define CFG_I2C_SLAVE 0x7F +/* enable I2C and select the hardware/software driver */ +#undef CONFIG_HARD_I2C /* I2C with hardware support */ +#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ + +#define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ +#define CFG_I2C_SLAVE 0xFE + +#ifdef CONFIG_SOFT_I2C +/* + * Software (bit-bang) I2C driver configuration + */ +#define PB_SCL 0x00000020 /* PB 26 */ +#define PB_SDA 0x00000010 /* PB 27 */ + +#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) +#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) +#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) +#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) +#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ + else immr->im_cpm.cp_pbdat &= ~PB_SDA +#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ + else immr->im_cpm.cp_pbdat &= ~PB_SCL +#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ +#endif /* CONFIG_SOFT_I2C */ #endif /*----------------------------------------------------------------------- @@ -220,7 +247,7 @@ *----------------------------------------------------------------------- * PCMCIA config., multi-function pin tri-state */ -#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) +#define CFG_SIUMCR (SIUMCR_FRC) /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 @@ -283,7 +310,7 @@ * FLASH timing: */ #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ - OR_SCY_3_CLK | OR_EHTR | OR_BI) + OR_SCY_6_CLK | OR_EHTR | OR_BI) #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) @@ -330,7 +357,56 @@ MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */ -/* PLD CS5 */ +/* + * DSP Host Port Interface CS3 + */ +#define CFG_SPC1920_HPI_BASE 0x90000000 +#define CFG_PRELIM_OR3_AM 0xF8000000 + +#define CFG_OR3 (CFG_PRELIM_OR3_AM | \ + OR_G5LS | \ + OR_SCY_0_CLK | \ + OR_BI) + +#define CFG_BR3 ((CFG_SPC1920_HPI_BASE & BR_BA_MSK) | \ + BR_MS_UPMA | \ + BR_PS_16 | \ + BR_V); + +#define CFG_MAMR (MAMR_GPL_A4DIS | \ + MAMR_RLFA_5X | \ + MAMR_WLFA_5X) + +#define CONFIG_SPC1920_HPI_TEST + +#ifdef CONFIG_SPC1920_HPI_TEST +#define HPI_REG(x) (*((volatile u16 *) (CFG_SPC1920_HPI_BASE + x))) +#define HPI_HPIC_1 HPI_REG(0) +#define HPI_HPIC_2 HPI_REG(2) +#define HPI_HPIA_1 HPI_REG(0x2000008) +#define HPI_HPIA_2 HPI_REG(0x2000008 + 2) +#define HPI_HPID_INC_1 HPI_REG(0x1000004) +#define HPI_HPID_INC_2 HPI_REG(0x1000004 + 2) +#define HPI_HPID_NOINC_1 HPI_REG(0x300000c) +#define HPI_HPID_NOINC_2 HPI_REG(0x300000c + 2) +#endif /* CONFIG_SPC1920_HPI_TEST */ + +/* + * Ramtron FM18L08 FRAM 32KB on CS4 + */ +#define CFG_SPC1920_FRAM_BASE 0x80100000 +#define CFG_PRELIM_OR4_AM 0xffff8000 +#define CFG_OR4 (CFG_PRELIM_OR4_AM | \ + OR_ACS_DIV2 | \ + OR_BI | \ + OR_SCY_4_CLK | \ + OR_TRLX) + +#define CFG_BR4 ((CFG_SPC1920_FRAM_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); + +/* + * PLD CS5 + */ #define CFG_SPC1920_PLD_BASE 0x80000000 #define CFG_PRELIM_OR5_AM 0xffff8000 @@ -343,10 +419,6 @@ #define CFG_BR5_PRELIM ((CFG_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); -/* #define CFG_PLD_BASE 0x30000000 */ -/* #define CFG_OR5_PRELIM 0xffff1110 */ -/* #define CFG_BR5_PRELIM 0x30000401 */ - /* * Internal Definitions * |