From 20d04774f4ef3f6e38974636e0e36ae0f0b5501f Mon Sep 17 00:00:00 2001 From: Andy Fleming Date: Thu, 30 Oct 2008 17:35:30 -0500 Subject: Consolidate MAX/MIN definitions There were several, now there is one (two if you count the lower-case versions). Signed-off-by: Andy Fleming --- cpu/ixp/npe/include/IxEthDB_p.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'cpu') diff --git a/cpu/ixp/npe/include/IxEthDB_p.h b/cpu/ixp/npe/include/IxEthDB_p.h index e7c67ae..ccec7ea 100644 --- a/cpu/ixp/npe/include/IxEthDB_p.h +++ b/cpu/ixp/npe/include/IxEthDB_p.h @@ -193,8 +193,6 @@ extern int overflowEvent; #define LEFT (-1) /* macros */ -#define MIN(a, b) ((a) < (b) ? (a) : (b)) - #define IX_ETH_DB_CHECK_PORT_EXISTS(portID) \ { \ if ((portID) >= IX_ETH_DB_NUMBER_OF_PORTS) \ -- cgit v1.1 From 012522fef3b382469125beb46a315ab4dee02fb0 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Tue, 21 Oct 2008 10:03:07 +0000 Subject: ColdFire: Modules header files cleanup Consolidate ATA, ePORT, QSPI, FlexCan, PWM, RNG, MDHA, SKHA, INTC, and FlexBus structures and definitions in immap_5xxx.h to more unify modules header files. Append DSPI support for m547x_8x. SSI cleanup. Remove USB Host structure from immap_539.h. Apply changes to use FlexBus structures in mcf52x2's cpu_init.c and platform configuration files. Signed-off-by: TsiChung Liew --- cpu/mcf52x2/cpu_init.c | 271 +++++++++++++++---------------------------------- 1 file changed, 80 insertions(+), 191 deletions(-) (limited to 'cpu') diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 7bb358e..32ad6cd 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -36,6 +36,65 @@ #include #include +#ifndef CONFIG_M5272 +/* Only 5272 Flexbus chipselect is different from the rest */ +void init_fbcs(void) +{ + volatile fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS); + +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) + fbcs->csar0 = CONFIG_SYS_CS0_BASE; + fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; + fbcs->csmr0 = CONFIG_SYS_CS0_MASK; +#else +#warning "Chip Select 0 are not initialized/used" +#endif +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + fbcs->csar1 = CONFIG_SYS_CS1_BASE; + fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; + fbcs->csmr1 = CONFIG_SYS_CS1_MASK; +#endif +#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ + && defined(CONFIG_SYS_CS2_CTRL)) + fbcs->csar2 = CONFIG_SYS_CS2_BASE; + fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; + fbcs->csmr2 = CONFIG_SYS_CS2_MASK; +#endif +#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ + && defined(CONFIG_SYS_CS3_CTRL)) + fbcs->csar3 = CONFIG_SYS_CS3_BASE; + fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; + fbcs->csmr3 = CONFIG_SYS_CS3_MASK; +#endif +#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ + && defined(CONFIG_SYS_CS4_CTRL)) + fbcs->csar4 = CONFIG_SYS_CS4_BASE; + fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; + fbcs->csmr4 = CONFIG_SYS_CS4_MASK; +#endif +#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ + && defined(CONFIG_SYS_CS5_CTRL)) + fbcs->csar5 = CONFIG_SYS_CS5_BASE; + fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; + fbcs->csmr5 = CONFIG_SYS_CS5_MASK; +#endif +#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \ + && defined(CONFIG_SYS_CS6_CTRL)) + fbcs->csar6 = CONFIG_SYS_CS6_BASE; + fbcs->cscr6 = CONFIG_SYS_CS6_CTRL; + fbcs->csmr6 = CONFIG_SYS_CS6_MASK; +#endif +#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \ + && defined(CONFIG_SYS_CS7_CTRL)) + fbcs->csar7 = CONFIG_SYS_CS7_BASE; + fbcs->cscr7 = CONFIG_SYS_CS7_CTRL; + fbcs->csmr7 = CONFIG_SYS_CS7_MASK; +#endif +} +#endif + #if defined(CONFIG_M5253) /* * Breath some life into the CPU... @@ -66,22 +125,14 @@ void cpu_init_f(void) mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */ mbar2_writeByte(MCFSIM_SPURVEC, 0x00); - /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */ - - /* - * Setup chip selects... - */ - - mbar_writeShort(MCFSIM_CSAR1, CONFIG_SYS_CSAR1); - mbar_writeShort(MCFSIM_CSCR1, CONFIG_SYS_CSCR1); - mbar_writeLong(MCFSIM_CSMR1, CONFIG_SYS_CSMR1); + /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); *//* Enable a 1 cycle pre-drive cycle on CS1 */ - mbar_writeShort(MCFSIM_CSAR0, CONFIG_SYS_CSAR0); - mbar_writeShort(MCFSIM_CSCR0, CONFIG_SYS_CSCR0); - mbar_writeLong(MCFSIM_CSMR0, CONFIG_SYS_CSMR0); + /* FlexBus Chipselect */ + init_fbcs(); #ifdef CONFIG_FSL_I2C - CONFIG_SYS_I2C_PINMUX_REG = CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR; + CONFIG_SYS_I2C_PINMUX_REG = + CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR; CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET; #ifdef CONFIG_SYS_I2C2_OFFSET CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR; @@ -121,6 +172,9 @@ void cpu_init_f(void) mbar_writeShort(MCF_WTM_WCR, 0); #endif + /* FlexBus Chipselect */ + init_fbcs(); + /* Set clockspeed to 100MHz */ mbar_writeShort(MCF_FMPLL_SYNCR, MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); @@ -268,66 +322,20 @@ void uart_port_conf(void) */ void cpu_init_f(void) { - /* if we come from RAM we assume the CPU is + /* + * if we come from RAM we assume the CPU is * already initialized. */ #ifndef CONFIG_MONITOR_IS_IN_RAM - volatile wdog_t *wdog_reg = (wdog_t *)(MMAP_WDOG); - volatile gpio_t *gpio_reg = (gpio_t *)(MMAP_GPIO); - volatile csctrl_t *csctrl_reg = (csctrl_t *)(MMAP_FBCS); + volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG); + volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO); /* Kill watchdog so we can initialize the PLL */ wdog_reg->wcr = 0; - /* Memory Controller: */ - /* Flash */ - csctrl_reg->ar0 = CONFIG_SYS_AR0_PRELIM; - csctrl_reg->cr0 = CONFIG_SYS_CR0_PRELIM; - csctrl_reg->mr0 = CONFIG_SYS_MR0_PRELIM; - -#if (defined(CONFIG_SYS_AR1_PRELIM) && defined(CONFIG_SYS_CR1_PRELIM) && defined(CONFIG_SYS_MR1_PRELIM)) - csctrl_reg->ar1 = CONFIG_SYS_AR1_PRELIM; - csctrl_reg->cr1 = CONFIG_SYS_CR1_PRELIM; - csctrl_reg->mr1 = CONFIG_SYS_MR1_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR2_PRELIM) && defined(CONFIG_SYS_CR2_PRELIM) && defined(CONFIG_SYS_MR2_PRELIM)) - csctrl_reg->ar2 = CONFIG_SYS_AR2_PRELIM; - csctrl_reg->cr2 = CONFIG_SYS_CR2_PRELIM; - csctrl_reg->mr2 = CONFIG_SYS_MR2_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR3_PRELIM) && defined(CONFIG_SYS_CR3_PRELIM) && defined(CONFIG_SYS_MR3_PRELIM)) - csctrl_reg->ar3 = CONFIG_SYS_AR3_PRELIM; - csctrl_reg->cr3 = CONFIG_SYS_CR3_PRELIM; - csctrl_reg->mr3 = CONFIG_SYS_MR3_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR4_PRELIM) && defined(CONFIG_SYS_CR4_PRELIM) && defined(CONFIG_SYS_MR4_PRELIM)) - csctrl_reg->ar4 = CONFIG_SYS_AR4_PRELIM; - csctrl_reg->cr4 = CONFIG_SYS_CR4_PRELIM; - csctrl_reg->mr4 = CONFIG_SYS_MR4_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR5_PRELIM) && defined(CONFIG_SYS_CR5_PRELIM) && defined(CONFIG_SYS_MR5_PRELIM)) - csctrl_reg->ar5 = CONFIG_SYS_AR5_PRELIM; - csctrl_reg->cr5 = CONFIG_SYS_CR5_PRELIM; - csctrl_reg->mr5 = CONFIG_SYS_MR5_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR6_PRELIM) && defined(CONFIG_SYS_CR6_PRELIM) && defined(CONFIG_SYS_MR6_PRELIM)) - csctrl_reg->ar6 = CONFIG_SYS_AR6_PRELIM; - csctrl_reg->cr6 = CONFIG_SYS_CR6_PRELIM; - csctrl_reg->mr6 = CONFIG_SYS_MR6_PRELIM; -#endif - -#if (defined(CONFIG_SYS_AR7_PRELIM) && defined(CONFIG_SYS_CR7_PRELIM) && defined(CONFIG_SYS_MR7_PRELIM)) - csctrl_reg->ar7 = CONFIG_SYS_AR7_PRELIM; - csctrl_reg->cr7 = CONFIG_SYS_CR7_PRELIM; - csctrl_reg->mr7 = CONFIG_SYS_MR7_PRELIM; -#endif - + /* FlexBus Chipselect */ + init_fbcs(); #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */ #ifdef CONFIG_FSL_I2C @@ -349,7 +357,7 @@ int cpu_init_r(void) void uart_port_conf(void) { - volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; /* Setup Ports: */ switch (CONFIG_SYS_UART_PORT) { @@ -384,7 +392,8 @@ void cpu_init_f(void) #ifndef CONFIG_MONITOR_IS_IN_RAM /* Set speed /PLL */ MCFCLOCK_SYNCR = - MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) | MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD); + MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) | + MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD); while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ; MCFGPIO_PBCDPAR = 0xc0; @@ -425,119 +434,8 @@ void cpu_init_f(void) MCFGPIO_DDRUA = CONFIG_SYS_DDRUA; #endif - /* This is probably a bad place to setup chip selects, but everyone - else is doing it! */ - -#if defined(CONFIG_SYS_CS0_BASE) & defined(CONFIG_SYS_CS0_SIZE) & \ - defined(CONFIG_SYS_CS0_WIDTH) & defined(CONFIG_SYS_CS0_WS) - - MCFCSM_CSAR0 = (CONFIG_SYS_CS0_BASE >> 16) & 0xFFFF; - -#if (CONFIG_SYS_CS0_WIDTH == 8) -#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_8 -#elif (CONFIG_SYS_CS0_WIDTH == 16) -#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_16 -#elif (CONFIG_SYS_CS0_WIDTH == 32) -#define CONFIG_SYS_CS0_PS MCFCSM_CSCR_PS_32 -#else -#error "CONFIG_SYS_CS0_WIDTH: Fault - wrong bus with for CS0" -#endif - MCFCSM_CSCR0 = MCFCSM_CSCR_WS(CONFIG_SYS_CS0_WS) - | CONFIG_SYS_CS0_PS | MCFCSM_CSCR_AA; - -#if (CONFIG_SYS_CS0_RO != 0) - MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS0_SIZE - 1) - | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; -#else - MCFCSM_CSMR0 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS0_SIZE - 1) | MCFCSM_CSMR_V; -#endif -#else -#warning "Chip Select 0 are not initialized/used" -#endif - -#if defined(CONFIG_SYS_CS1_BASE) & defined(CONFIG_SYS_CS1_SIZE) & \ - defined(CONFIG_SYS_CS1_WIDTH) & defined(CONFIG_SYS_CS1_WS) - - MCFCSM_CSAR1 = (CONFIG_SYS_CS1_BASE >> 16) & 0xFFFF; - -#if (CONFIG_SYS_CS1_WIDTH == 8) -#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_8 -#elif (CONFIG_SYS_CS1_WIDTH == 16) -#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_16 -#elif (CONFIG_SYS_CS1_WIDTH == 32) -#define CONFIG_SYS_CS1_PS MCFCSM_CSCR_PS_32 -#else -#error "CONFIG_SYS_CS1_WIDTH: Fault - wrong bus with for CS1" -#endif - MCFCSM_CSCR1 = MCFCSM_CSCR_WS(CONFIG_SYS_CS1_WS) - | CONFIG_SYS_CS1_PS | MCFCSM_CSCR_AA; - -#if (CONFIG_SYS_CS1_RO != 0) - MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS1_SIZE - 1) - | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; -#else - MCFCSM_CSMR1 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS1_SIZE - 1) - | MCFCSM_CSMR_V; -#endif -#else -#warning "Chip Select 1 are not initialized/used" -#endif - -#if defined(CONFIG_SYS_CS2_BASE) & defined(CONFIG_SYS_CS2_SIZE) & \ - defined(CONFIG_SYS_CS2_WIDTH) & defined(CONFIG_SYS_CS2_WS) - - MCFCSM_CSAR2 = (CONFIG_SYS_CS2_BASE >> 16) & 0xFFFF; - -#if (CONFIG_SYS_CS2_WIDTH == 8) -#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_8 -#elif (CONFIG_SYS_CS2_WIDTH == 16) -#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_16 -#elif (CONFIG_SYS_CS2_WIDTH == 32) -#define CONFIG_SYS_CS2_PS MCFCSM_CSCR_PS_32 -#else -#error "CONFIG_SYS_CS2_WIDTH: Fault - wrong bus with for CS2" -#endif - MCFCSM_CSCR2 = MCFCSM_CSCR_WS(CONFIG_SYS_CS2_WS) - | CONFIG_SYS_CS2_PS | MCFCSM_CSCR_AA; - -#if (CONFIG_SYS_CS2_RO != 0) - MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS2_SIZE - 1) - | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; -#else - MCFCSM_CSMR2 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS2_SIZE - 1) - | MCFCSM_CSMR_V; -#endif -#else -#warning "Chip Select 2 are not initialized/used" -#endif - -#if defined(CONFIG_SYS_CS3_BASE) & defined(CONFIG_SYS_CS3_SIZE) & \ - defined(CONFIG_SYS_CS3_WIDTH) & defined(CONFIG_SYS_CS3_WS) - - MCFCSM_CSAR3 = (CONFIG_SYS_CS3_BASE >> 16) & 0xFFFF; - -#if (CONFIG_SYS_CS3_WIDTH == 8) -#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_8 -#elif (CONFIG_SYS_CS3_WIDTH == 16) -#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_16 -#elif (CONFIG_SYS_CS3_WIDTH == 32) -#define CONFIG_SYS_CS3_PS MCFCSM_CSCR_PS_32 -#else -#error "CONFIG_SYS_CS3_WIDTH: Fault - wrong bus with for CS1" -#endif - MCFCSM_CSCR3 = MCFCSM_CSCR_WS(CONFIG_SYS_CS3_WS) - | CONFIG_SYS_CS3_PS | MCFCSM_CSCR_AA; - -#if (CONFIG_SYS_CS3_RO != 0) - MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS3_SIZE - 1) - | MCFCSM_CSMR_WP | MCFCSM_CSMR_V; -#else - MCFCSM_CSMR3 = MCFCSM_CSMR_BAM(CONFIG_SYS_CS3_SIZE - 1) - | MCFCSM_CSMR_V; -#endif -#else -#warning "Chip Select 3 are not initialized/used" -#endif + /* FlexBus Chipselect */ + init_fbcs(); #endif /* CONFIG_MONITOR_IS_IN_RAM */ @@ -632,17 +530,8 @@ void cpu_init_f(void) mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000); - /* - * Setup chip selects... - */ - - mbar_writeShort(MCFSIM_CSAR1, CONFIG_SYS_CSAR1); - mbar_writeShort(MCFSIM_CSCR1, CONFIG_SYS_CSCR1); - mbar_writeLong(MCFSIM_CSMR1, CONFIG_SYS_CSMR1); - - mbar_writeShort(MCFSIM_CSAR0, CONFIG_SYS_CSAR0); - mbar_writeShort(MCFSIM_CSCR0, CONFIG_SYS_CSCR0); - mbar_writeLong(MCFSIM_CSMR0, CONFIG_SYS_CSMR0); + /* FlexBus Chipselect */ + init_fbcs(); /* enable instruction cache now */ icache_enable(); -- cgit v1.1 From f3962d3f574e5a1cffacd4e9bc48713060a2a314 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Tue, 21 Oct 2008 13:47:54 +0000 Subject: ColdFire: Relocate FEC's GPIO and mii functions protocols Place FEC pin assignments in cpu_init.c from platform's mii.c Signed-off-by: TsiChung Liew --- cpu/mcf523x/cpu_init.c | 24 ++++++++++++++- cpu/mcf52x2/cpu_init.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++ cpu/mcf532x/cpu_init.c | 25 ++++++++++++++- cpu/mcf5445x/cpu_init.c | 34 ++++++++++++++++++++- cpu/mcf547x_8x/cpu_init.c | 27 ++++++++++++++++ 5 files changed, 185 insertions(+), 3 deletions(-) (limited to 'cpu') diff --git a/cpu/mcf523x/cpu_init.c b/cpu/mcf523x/cpu_init.c index 6520944..3c04fd4 100644 --- a/cpu/mcf523x/cpu_init.c +++ b/cpu/mcf523x/cpu_init.c @@ -27,9 +27,14 @@ #include #include - #include +#if defined(CONFIG_CMD_NET) +#include +#include +#include +#endif + /* * Breath some life into the CPU... * @@ -143,3 +148,20 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_EMDC_FECEMDC | GPIO_PAR_FECI2C_EMDIO_FECEMDIO); + } else { + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); + } + + return 0; +} +#endif diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 32ad6cd..18308c8 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -36,6 +36,12 @@ #include #include +#if defined(CONFIG_CMD_NET) +#include +#include +#include +#endif + #ifndef CONFIG_M5272 /* Only 5272 Flexbus chipselect is different from the rest */ void init_fbcs(void) @@ -207,6 +213,19 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + /* Enable Ethernet pins */ + mbar_writeByte(MCF_GPIO_PAR_FECI2C, CONFIG_SYS_FECI2C); + } else { + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ #endif #if defined(CONFIG_M5272) @@ -309,6 +328,22 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->gpio_pbcnt |= GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER | + GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 | + GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 | + GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3; + } else { + } + return 0; +} +#endif /* CONFIG_CMD_NET */ #endif /* #if defined(CONFIG_M5272) */ #if defined(CONFIG_M5275) @@ -372,6 +407,35 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + struct fec_info_s *info = (struct fec_info_s *) dev->priv; + volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO; + + if (setclear) { + /* Enable Ethernet pins */ + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_feci2c |= 0x0F00; + gpio->par_fec0hl |= 0xC0; + } else { + gpio->par_feci2c |= 0x00A0; + gpio->par_fec1hl |= 0xC0; + } + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_feci2c &= ~0x0F00; + gpio->par_fec0hl &= ~0xC0; + } else { + gpio->par_feci2c &= ~0x00A0; + gpio->par_fec1hl &= ~0xC0; + } + } + + return 0; +} +#endif /* CONFIG_CMD_NET */ #endif /* #if defined(CONFIG_M5275) */ #if defined(CONFIG_M5282) @@ -469,6 +533,20 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + if (setclear) { + MCFGPIO_PASPAR |= 0x0F00; + MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR; + } else { + MCFGPIO_PASPAR &= 0xF0FF; + MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR; + } + return 0; +} +#endif /* CONFIG_CMD_NET */ #endif #if defined(CONFIG_M5249) diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c index d348e29..39be11f 100644 --- a/cpu/mcf532x/cpu_init.c +++ b/cpu/mcf532x/cpu_init.c @@ -27,9 +27,14 @@ #include #include - #include +#if defined(CONFIG_CMD_NET) +#include +#include +#include +#endif + /* * Breath some life into the CPU... * @@ -139,3 +144,21 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->par_fec |= GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO; + } else { + gpio->par_fec &= ~(GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC); + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_MDC_EMDC | GPIO_PAR_FECI2C_MDIO_EMDIO); + } + return 0; +} +#endif diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c index 50b4561..7e04e32 100644 --- a/cpu/mcf5445x/cpu_init.c +++ b/cpu/mcf5445x/cpu_init.c @@ -27,10 +27,15 @@ #include #include - #include #include +#if defined(CONFIG_CMD_NET) +#include +#include +#include +#endif + /* * Breath some life into the CPU... * @@ -139,3 +144,30 @@ void uart_port_conf(void) break; } } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct fec_info_s *info = (struct fec_info_s *)dev->priv; + + if (setclear) { + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); + + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO; + else + gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA; + } else { + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0); + + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_fec &= GPIO_PAR_FEC_FEC0_MASK; + else + gpio->par_fec &= GPIO_PAR_FEC_FEC1_MASK; + } + return 0; +} +#endif diff --git a/cpu/mcf547x_8x/cpu_init.c b/cpu/mcf547x_8x/cpu_init.c index 9a0e040..1ba5783 100644 --- a/cpu/mcf547x_8x/cpu_init.c +++ b/cpu/mcf547x_8x/cpu_init.c @@ -29,6 +29,12 @@ #include #include +#if defined(CONFIG_CMD_NET) +#include +#include +#include +#endif + /* * Breath some life into the CPU... * @@ -130,3 +136,24 @@ void uart_port_conf(void) *pscsicr &= 0xF8; } + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct fec_info_dma *info = (struct fec_info_dma *)dev->priv; + + if (setclear) { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_feci2cirq |= 0xF000; + else + gpio->par_feci2cirq |= 0x0FC0; + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) + gpio->par_feci2cirq &= 0x0FFF; + else + gpio->par_feci2cirq &= 0xF03F; + } + return 0; +} +#endif -- cgit v1.1 From a21d0c2cc9add8894d971ab791f4032f077db817 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Tue, 21 Oct 2008 15:37:02 +0000 Subject: ColdFire: Add SBF support for M52277EVB Add serial boot support Signed-off-by: TsiChung Liew --- cpu/mcf5227x/Makefile | 2 +- cpu/mcf5227x/cpu_init.c | 20 ++-- cpu/mcf5227x/dspi.c | 261 ++++++++++++++++++++++++++++++++++++++++++++++++ cpu/mcf5227x/speed.c | 30 ++++-- cpu/mcf5227x/start.S | 245 ++++++++++++++++++++++++++++++++++++++++++++- 5 files changed, 541 insertions(+), 17 deletions(-) create mode 100644 cpu/mcf5227x/dspi.c (limited to 'cpu') diff --git a/cpu/mcf5227x/Makefile b/cpu/mcf5227x/Makefile index d0e9b45..44f9385 100644 --- a/cpu/mcf5227x/Makefile +++ b/cpu/mcf5227x/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -COBJS = cpu.o speed.o cpu_init.o interrupts.o +COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c index 0f1dd1f..8945ef3 100644 --- a/cpu/mcf5227x/cpu_init.c +++ b/cpu/mcf5227x/cpu_init.c @@ -45,6 +45,7 @@ void cpu_init_f(void) volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; +#if !defined(CONFIG_CF_SBF) /* Workaround, must place before fbcs */ pll->psr = 0x12; @@ -58,37 +59,44 @@ void cpu_init_f(void) scm1->pacrg = 0; scm1->pacri = 0; -#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) fbcs->csar0 = CONFIG_SYS_CS0_BASE; fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; fbcs->csmr0 = CONFIG_SYS_CS0_MASK; #endif +#endif /* CONFIG_CF_SBF */ -#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) fbcs->csar1 = CONFIG_SYS_CS1_BASE; fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; fbcs->csmr1 = CONFIG_SYS_CS1_MASK; #endif -#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) +#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ + && defined(CONFIG_SYS_CS2_CTRL)) fbcs->csar2 = CONFIG_SYS_CS2_BASE; fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; fbcs->csmr2 = CONFIG_SYS_CS2_MASK; #endif -#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) +#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ + && defined(CONFIG_SYS_CS3_CTRL)) fbcs->csar3 = CONFIG_SYS_CS3_BASE; fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; fbcs->csmr3 = CONFIG_SYS_CS3_MASK; #endif -#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) +#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ + && defined(CONFIG_SYS_CS4_CTRL)) fbcs->csar4 = CONFIG_SYS_CS4_BASE; fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; fbcs->csmr4 = CONFIG_SYS_CS4_MASK; #endif -#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) +#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ + && defined(CONFIG_SYS_CS5_CTRL)) fbcs->csar5 = CONFIG_SYS_CS5_BASE; fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; fbcs->csmr5 = CONFIG_SYS_CS5_MASK; diff --git a/cpu/mcf5227x/dspi.c b/cpu/mcf5227x/dspi.c new file mode 100644 index 0000000..7f48f91 --- /dev/null +++ b/cpu/mcf5227x/dspi.c @@ -0,0 +1,261 @@ +/* + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include + +#if defined(CONFIG_CF_DSPI) +#include + +void dspi_init(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + gpio->par_dspi = + GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | + GPIO_PAR_DSPI_SCK_SCK; + + dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 | + DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 | + DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 | + DSPI_DMCR_CRXF | DSPI_DMCR_CTXF; + +#ifdef CONFIG_SYS_DSPI_DCTAR0 + dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR1 + dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR2 + dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR3 + dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR4 + dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR5 + dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR6 + dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6; +#endif +#ifdef CONFIG_SYS_DSPI_DCTAR7 + dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7; +#endif +} + +void dspi_tx(int chipsel, u8 attrib, u16 data) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + while ((dspi->dsr & 0x0000F000) >= 4) ; + + dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data; +} + +u16 dspi_rx(void) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + + while ((dspi->dsr & 0x000000F0) == 0) ; + + return (dspi->drfr & 0xFFFF); +} + +#if defined(CONFIG_CMD_SPI) +void spi_init_f(void) +{ +} + +void spi_init_r(void) +{ +} + +void spi_init(void) +{ + dspi_init(); +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct spi_slave *slave; + + slave = malloc(sizeof(struct spi_slave)); + if (!slave) + return NULL; + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; + break; + } + + slave->bus = bus; + slave->cs = cs; + + return slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + switch (slave->cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + break; + } + + free(slave); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + static int bWrite = 0; + u8 *spi_rd, *spi_wr; + int len = bitlen >> 3; + + spi_rd = (u8 *) din; + spi_wr = (u8 *) dout; + + /* command handling */ + if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) { + switch (*spi_wr) { + case 0x02: /* Page Prog */ + bWrite = 1; + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[3]); + dspi_rx(); + return 0; + case 0x05: /* Read Status */ + if (len == 4) + if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF) + && (spi_wr[3] == 0xFF)) { + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + } + return 0; + case 0x06: /* WREN */ + dspi_tx(slave->cs, 0x00, *spi_wr); + dspi_rx(); + return 0; + case 0x0B: /* Fast read */ + if ((len == 5) && (spi_wr[4] == 0)) { + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[3]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[4]); + dspi_rx(); + } + return 0; + case 0x9F: /* RDID */ + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + return 0; + case 0xD8: /* Sector erase */ + if (len == 4) + if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) { + dspi_tx(slave->cs, 0x80, spi_wr[0]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[1]); + dspi_rx(); + dspi_tx(slave->cs, 0x80, spi_wr[2]); + dspi_rx(); + dspi_tx(slave->cs, 0x00, spi_wr[3]); + dspi_rx(); + } + return 0; + } + } + + if (bWrite) + len--; + + while (len--) { + if (dout != NULL) { + dspi_tx(slave->cs, 0x80, *spi_wr); + dspi_rx(); + spi_wr++; + } + + if (din != NULL) { + dspi_tx(slave->cs, 0x80, 0); + *spi_rd = dspi_rx(); + spi_rd++; + } + } + + if (flags == SPI_XFER_END) { + if (bWrite) { + dspi_tx(slave->cs, 0x00, *spi_wr); + dspi_rx(); + bWrite = 0; + } else { + dspi_tx(slave->cs, 0x00, 0); + dspi_rx(); + } + } + + return 0; +} +#endif /* CONFIG_CMD_SPI */ + +#endif /* CONFIG_CF_DSPI */ diff --git a/cpu/mcf5227x/speed.c b/cpu/mcf5227x/speed.c index 74b9059..7e385d3 100644 --- a/cpu/mcf5227x/speed.c +++ b/cpu/mcf5227x/speed.c @@ -90,17 +90,33 @@ int get_clocks(void) int vco, temp, pcrvalue, pfdr; u8 bootmode; - bootmode = (ccm->ccr & 0x000C) >> 2; - pcrvalue = pll->pcr & 0xFF0F0FFF; pfdr = pcrvalue >> 24; - if (pfdr != 0x1E) { + if (pfdr == 0x1E) + bootmode = 0; /* Normal Mode */ + +#ifdef CONFIG_CF_SBF + bootmode = 3; /* Serial Mode */ +#endif + + if (bootmode == 0) { + /* Normal mode */ + vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) { + /* Default value */ + pcrvalue = (pll->pcr & 0x00FFFFFF); + pcrvalue |= 0x1E << 24; + pll->pcr = pcrvalue; + vco = + ((pll->pcr & 0xFF000000) >> 24) * + CONFIG_SYS_INPUT_CLKSRC; + } + gd->vco_clk = vco; /* Vco clock */ + } else if (bootmode == 3) { /* serial mode */ - } else { - /* Normal Mode */ - vco = pfdr * CONFIG_SYS_INPUT_CLKSRC; - gd->vco_clk = vco; + vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + gd->vco_clk = vco; /* Vco clock */ } if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) { diff --git a/cpu/mcf5227x/start.S b/cpu/mcf5227x/start.S index becaab7..9387250 100644 --- a/cpu/mcf5227x/start.S +++ b/cpu/mcf5227x/start.S @@ -46,6 +46,11 @@ addl #60,%sp; /* space for 15 regs */ \ rte; +#if defined(CONFIG_CF_SBF) +#define ASM_DRAMINIT (asm_dram_init - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) +#define ASM_SBF_IMG_HDR (asm_sbf_img_hdr - TEXT_BASE + CONFIG_SYS_INIT_RAM_ADDR) +#endif + .text /* * Vector table. This is used for initial platform startup. @@ -53,8 +58,14 @@ */ _vectors: -INITSP: .long 0x00000000 /* Initial SP */ -INITPC: .long _START /* Initial PC */ +#if defined(CONFIG_CF_SBF) +INITSP: .long 0 /* Initial SP */ +INITPC: .long ASM_DRAMINIT /* Initial PC */ +#else +INITSP: .long 0 /* Initial SP */ +INITPC: .long _START /* Initial PC */ +#endif + vector02: .long _FAULT /* Access Error */ vector03: .long _FAULT /* Address Error */ vector04: .long _FAULT /* Illegal Instruction */ @@ -83,6 +94,7 @@ vector1D: .long _FAULT /* Autovector Level 5 */ vector1E: .long _FAULT /* Autovector Level 6 */ vector1F: .long _FAULT /* Autovector Level 7 */ +#if !defined(CONFIG_CF_SBF) /* TRAP #0 - #15 */ vector20_2F: .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT @@ -122,9 +134,231 @@ vector192_255: .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT .long _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT, _FAULT +#endif - .text +#if defined(CONFIG_CF_SBF) + /* Image header: chksum 4 bytes, len 4 bytes, img dest 4 bytes */ +asm_sbf_img_hdr: + .long 0x00000000 /* checksum, not yet implemented */ + .long 0x00020000 /* image length */ + .long TEXT_BASE /* image to be relocated at */ + +asm_dram_init: + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 + movec %d0, %RAMBAR1 /* init Rambar */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp + clr.l %sp@- + + /* Must disable global address */ + move.l #0xFC008000, %a1 + move.l #(CONFIG_SYS_CS0_BASE), (%a1) + move.l #0xFC008008, %a1 + move.l #(CONFIG_SYS_CS0_CTRL), (%a1) + move.l #0xFC008004, %a1 + move.l #(CONFIG_SYS_CS0_MASK), (%a1) + + /* + * Dram Initialization + * a1, a2, and d0 + */ + /* mscr sdram */ + move.l #0xFC0A4074, %a1 + move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1) + nop + + /* SDRAM Chip 0 and 1 */ + move.l #0xFC0B8110, %a1 + move.l #0xFC0B8114, %a2 + + /* calculate the size */ + move.l #0x13, %d1 + move.l #(CONFIG_SYS_SDRAM_SIZE), %d2 +#ifdef CONFIG_SYS_SDRAM_BASE1 + lsr.l #1, %d2 +#endif + +dramsz_loop: + lsr.l #1, %d2 + add.l #1, %d1 + cmp.l #1, %d2 + bne dramsz_loop + + /* SDRAM Chip 0 and 1 */ + move.l #(CONFIG_SYS_SDRAM_BASE), (%a1) + or.l %d1, (%a1) +#ifdef CONFIG_SYS_SDRAM_BASE1 + move.l #(CONFIG_SYS_SDRAM_BASE1), (%a2) + or.l %d1, (%a2) +#endif + nop + + /* dram cfg1 and cfg2 */ + move.l #0xFC0B8008, %a1 + move.l #(CONFIG_SYS_SDRAM_CFG1), (%a1) + nop + move.l #0xFC0B800C, %a2 + move.l #(CONFIG_SYS_SDRAM_CFG2), (%a2) + nop + move.l #0xFC0B8000, %a1 /* Mode */ + move.l #0xFC0B8004, %a2 /* Ctrl */ + + /* Issue PALL */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) + nop + + /* Issue LEMR */ + move.l #(CONFIG_SYS_SDRAM_MODE), (%a1) + nop + move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1) + nop + + move.l #1000, %d0 +wait1000: + nop + subq.l #1, %d0 + bne wait1000 + + /* Issue PALL */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) + nop + + /* Perform two refresh cycles */ + move.l #(CONFIG_SYS_SDRAM_CTRL + 4), %d0 + nop + move.l %d0, (%a2) + move.l %d0, (%a2) + nop + + move.l #(CONFIG_SYS_SDRAM_CTRL), %d0 + and.l #0x7FFFFFFF, %d0 + or.l #0x10000c00, %d0 + move.l %d0, (%a2) + nop + + /* + * DSPI Initialization + * a0 - general, sram - 0x80008000 - 32, see M52277EVB.h + * a1 - dspi status + * a2 - dtfr + * a3 - drfr + * a4 - Dst addr + */ + + /* Enable pins for DSPI mode - chip-selects are enabled later */ + move.l #0xFC0A4036, %a0 + move.b #0x3F, %d0 + move.b %d0, (%a0) + + /* DSPI CS */ +#ifdef CONFIG_SYS_DSPI_CS0 + move.b (%a0), %d0 + or.l #0xC0, %d0 + move.b %d0, (%a0) +#endif +#ifdef CONFIG_SYS_DSPI_CS2 + move.l #0xFC0A4037, %a0 + move.b (%a0), %d0 + or.l #0x10, %d0 + move.b %d0, (%a0) +#endif + nop + + /* Configure DSPI module */ + move.l #0xFC05C000, %a0 + move.l #0x80FF0C00, (%a0) /* Master, clear TX/RX FIFO */ + + move.l #0xFC05C00C, %a0 + move.l #0x3E000011, (%a0) + + move.l #0xFC05C034, %a2 /* dtfr */ + move.l #0xFC05C03B, %a3 /* drfr */ + + move.l #(ASM_SBF_IMG_HDR + 4), %a1 + move.l (%a1)+, %d5 + move.l (%a1), %a4 + + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_SBFHDR_DATA_OFFSET), %a0 + move.l #(CONFIG_SYS_SBFHDR_SIZE), %d4 + + move.l #0xFC05C02C, %a1 /* dspi status */ + + /* Issue commands and address */ + move.l #0x8004000B, %d2 /* Fast Read Cmd */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 2 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 1 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Address byte 0 */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.l #0x80040000, %d2 /* Dummy Wr and Rd */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + /* Transfer serial boot header to sram */ +asm_dspi_rd_loop1: + move.l #0x80040000, %d2 + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.b %d1, (%a0) /* read, copy to dst */ + + add.l #1, %a0 /* inc dst by 1 */ + sub.l #1, %d4 /* dec cnt by 1 */ + bne asm_dspi_rd_loop1 + + /* Transfer u-boot from serial flash to memory */ +asm_dspi_rd_loop2: + move.l #0x80040000, %d2 + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + move.b %d1, (%a4) /* read, copy to dst */ + + add.l #1, %a4 /* inc dst by 1 */ + sub.l #1, %d5 /* dec cnt by 1 */ + bne asm_dspi_rd_loop2 + + move.l #0x00040000, %d2 /* Terminate */ + jsr asm_dspi_wr_status + jsr asm_dspi_rd_status + + /* jump to memory and execute */ + move.l #(TEXT_BASE + 0x400), %a0 + move.l %a0, (%a1) + jmp (%a0) + +asm_dspi_wr_status: + move.l (%a1), %d0 /* status */ + and.l #0x0000F000, %d0 + cmp.l #0x00003000, %d0 + bgt asm_dspi_wr_status + + move.l %d2, (%a2) + rts + +asm_dspi_rd_status: + move.l (%a1), %d0 /* status */ + and.l #0x000000F0, %d0 + lsr.l #4, %d0 + cmp.l #0, %d0 + beq asm_dspi_rd_status + + move.b (%a3), %d1 + rts +#endif /* CONFIG_CF_SBF */ + + .text + . = 0x400 .globl _start _start: nop @@ -132,11 +366,16 @@ _start: move.w #0x2700,%sr /* Mask off Interrupt */ /* Set vector base register at the beginning of the Flash */ +#if defined(CONFIG_CF_SBF) + move.l #TEXT_BASE, %d0 + movec %d0, %VBR +#else move.l #CONFIG_SYS_FLASH_BASE, %d0 movec %d0, %VBR move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 movec %d0, %RAMBAR1 +#endif /* initialize general use internal ram */ move.l #0, %d0 -- cgit v1.1 From 536e7dac16769954915a484e682a2efb28699133 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Wed, 22 Oct 2008 11:38:21 +0000 Subject: ColdFire: Add MCF5301x CPU and M53017EVB support Signed-off-by: TsiChung Liew --- cpu/mcf532x/cpu.c | 21 ++++- cpu/mcf532x/cpu_init.c | 202 +++++++++++++++++++++++++++++++++++++++++++++---- cpu/mcf532x/speed.c | 119 ++++++++++++++++++++--------- cpu/mcf532x/start.S | 11 +++ 4 files changed, 304 insertions(+), 49 deletions(-) (limited to 'cpu') diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c index fd77939..bcb092d 100644 --- a/cpu/mcf532x/cpu.c +++ b/cpu/mcf532x/cpu.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -56,6 +56,24 @@ int checkcpu(void) msk = (ccm->cir >> 6); ver = (ccm->cir & 0x003f); switch (msk) { +#ifdef CONFIG_MCF5301x + case 0x78: + id = 53010; + break; + case 0x77: + id = 53012; + break; + case 0x76: + id = 53015; + break; + case 0x74: + id = 53011; + break; + case 0x73: + id = 53013; + break; +#endif +#ifdef CONFIG_MCF532x case 0x54: id = 5329; break; @@ -77,6 +95,7 @@ int checkcpu(void) case 0x6B: id = 5372; break; +#endif } if (id) { diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c index 39be11f..687c7e4 100644 --- a/cpu/mcf532x/cpu_init.c +++ b/cpu/mcf532x/cpu_init.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * (C) Copyright 2007 Freescale Semiconductor, Inc. + * (C) Copyright 2004-2008 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -35,13 +35,180 @@ #include #endif -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers, - * initialize the UPM's - */ +#ifdef CONFIG_MCF5301x +void cpu_init_f(void) +{ + volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + volatile scm2_t *scm2 = (scm2_t *) MMAP_SCM2; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + + /* watchdog is enabled by default - disable the watchdog */ +#ifndef CONFIG_WATCHDOG + /*wdog->cr = 0; */ +#endif + + scm1->mpr = 0x77777777; + scm1->pacra = 0; + scm1->pacrb = 0; + scm1->pacrc = 0; + scm1->pacrd = 0; + scm1->pacre = 0; + scm1->pacrf = 0; + scm1->pacrg = 0; + +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) + gpio->par_cs |= GPIO_PAR_CS0_CS0; + fbcs->csar0 = CONFIG_SYS_CS0_BASE; + fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; + fbcs->csmr0 = CONFIG_SYS_CS0_MASK; +#endif + +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) + gpio->par_cs |= GPIO_PAR_CS1_CS1; + fbcs->csar1 = CONFIG_SYS_CS1_BASE; + fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; + fbcs->csmr1 = CONFIG_SYS_CS1_MASK; +#endif + +#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ + && defined(CONFIG_SYS_CS2_CTRL)) + fbcs->csar2 = CONFIG_SYS_CS2_BASE; + fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; + fbcs->csmr2 = CONFIG_SYS_CS2_MASK; +#endif + +#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ + && defined(CONFIG_SYS_CS3_CTRL)) + fbcs->csar3 = CONFIG_SYS_CS3_BASE; + fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; + fbcs->csmr3 = CONFIG_SYS_CS3_MASK; +#endif + +#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ + && defined(CONFIG_SYS_CS4_CTRL)) + gpio->par_cs |= GPIO_PAR_CS4; + fbcs->csar4 = CONFIG_SYS_CS4_BASE; + fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; + fbcs->csmr4 = CONFIG_SYS_CS4_MASK; +#endif + +#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ + && defined(CONFIG_SYS_CS5_CTRL)) + gpio->par_cs |= GPIO_PAR_CS5; + fbcs->csar5 = CONFIG_SYS_CS5_BASE; + fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; + fbcs->csmr5 = CONFIG_SYS_CS5_MASK; +#endif + +#ifdef CONFIG_FSL_I2C + gpio->par_feci2c = GPIO_PAR_FECI2C_SDA_SDA | GPIO_PAR_FECI2C_SCL_SCL; +#endif + + icache_enable(); +} + +/* initialize higher level parts of CPU like timers */ +int cpu_init_r(void) +{ +#ifdef CONFIG_MCFFEC + volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; +#endif +#ifdef CONFIG_MCFRTC + volatile rtc_t *rtc = (rtc_t *) (CONFIG_SYS_MCFRTC_BASE); + volatile rtcex_t *rtcex = (rtcex_t *) & rtc->extended; + + rtcex->gocu = CONFIG_SYS_RTC_CNT; + rtcex->gocl = CONFIG_SYS_RTC_SETUP; + +#endif +#ifdef CONFIG_MCFFEC + if (CONFIG_SYS_FEC0_MIIBASE != CONFIG_SYS_FEC1_MIIBASE) + ccm->misccr |= CCM_MISCCR_FECM; + else + ccm->misccr &= ~CCM_MISCCR_FECM; +#endif + + return (0); +} + +void uart_port_conf(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (CONFIG_SYS_UART_PORT) { + case 0: + gpio->par_uart = (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD); + break; + case 1: +#ifdef CONFIG_SYS_UART1_ALT1_GPIO + gpio->par_simp1h &= + ~(GPIO_PAR_SIMP1H_DATA1_MASK | GPIO_PAR_SIMP1H_VEN1_MASK); + gpio->par_simp1h |= + (GPIO_PAR_SIMP1H_DATA1_U1TXD | GPIO_PAR_SIMP1H_VEN1_U1RXD); +#elif defined(CONFIG_SYS_UART1_ALT2_GPIO) + gpio->par_ssih &= + ~(GPIO_PAR_SSIH_RXD_MASK | GPIO_PAR_SSIH_TXD_MASK); + gpio->par_ssih |= + (GPIO_PAR_SSIH_RXD_U1RXD | GPIO_PAR_SSIH_TXD_U1TXD); +#endif + break; + case 2: +#ifdef CONFIG_SYS_UART2_PRI_GPIO + gpio->par_uart |= (GPIO_PAR_UART_U2TXD | GPIO_PAR_UART_U2RXD); +#elif defined(CONFIG_SYS_UART2_ALT1_GPIO) + gpio->par_dspih &= + ~(GPIO_PAR_DSPIH_SIN_MASK | GPIO_PAR_DSPIH_SOUT_MASK); + gpio->par_dspih |= + (GPIO_PAR_DSPIH_SIN_U2RXD | GPIO_PAR_DSPIH_SOUT_U2TXD); +#elif defined(CONFIG_SYS_UART2_ALT2_GPIO) + gpio->par_feci2c &= + ~(GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD); +#endif + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + struct fec_info_s *info = (struct fec_info_s *)dev->priv; + + if (setclear) { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_fec |= + GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC0 | GPIO_PAR_FECI2C_MDIO0; + } else { + gpio->par_fec |= + GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC1 | GPIO_PAR_FECI2C_MDIO1; + } + } else { + if (info->iobase == CONFIG_SYS_FEC0_IOBASE) { + gpio->par_fec &= + ~(GPIO_PAR_FEC0_7W_FEC | GPIO_PAR_FEC0_RMII_FEC); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII0_MASK; + } else { + gpio->par_fec &= + ~(GPIO_PAR_FEC1_7W_FEC | GPIO_PAR_FEC1_RMII_FEC); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII1_MASK; + } + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* CONFIG_MCF5301x */ + +#ifdef CONFIG_MCF532x void cpu_init_f(void) { volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; @@ -68,13 +235,15 @@ void cpu_init_f(void) /* Port configuration */ gpio->par_cs = 0; -#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) +#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \ + && defined(CONFIG_SYS_CS0_CTRL)) fbcs->csar0 = CONFIG_SYS_CS0_BASE; fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; fbcs->csmr0 = CONFIG_SYS_CS0_MASK; #endif -#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) +#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ + && defined(CONFIG_SYS_CS1_CTRL)) /* Latch chipselect */ gpio->par_cs |= GPIO_PAR_CS1; fbcs->csar1 = CONFIG_SYS_CS1_BASE; @@ -82,28 +251,32 @@ void cpu_init_f(void) fbcs->csmr1 = CONFIG_SYS_CS1_MASK; #endif -#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) +#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \ + && defined(CONFIG_SYS_CS2_CTRL)) gpio->par_cs |= GPIO_PAR_CS2; fbcs->csar2 = CONFIG_SYS_CS2_BASE; fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; fbcs->csmr2 = CONFIG_SYS_CS2_MASK; #endif -#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) +#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \ + && defined(CONFIG_SYS_CS3_CTRL)) gpio->par_cs |= GPIO_PAR_CS3; fbcs->csar3 = CONFIG_SYS_CS3_BASE; fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; fbcs->csmr3 = CONFIG_SYS_CS3_MASK; #endif -#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) +#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \ + && defined(CONFIG_SYS_CS4_CTRL)) gpio->par_cs |= GPIO_PAR_CS4; fbcs->csar4 = CONFIG_SYS_CS4_BASE; fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; fbcs->csmr4 = CONFIG_SYS_CS4_MASK; #endif -#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) +#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \ + && defined(CONFIG_SYS_CS5_CTRL)) gpio->par_cs |= GPIO_PAR_CS5; fbcs->csar5 = CONFIG_SYS_CS5_BASE; fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; @@ -162,3 +335,4 @@ int fecpin_setclear(struct eth_device *dev, int setclear) return 0; } #endif +#endif /* CONFIG_MCF532x */ diff --git a/cpu/mcf532x/speed.c b/cpu/mcf532x/speed.c index 1e40374..0d378e6 100644 --- a/cpu/mcf532x/speed.c +++ b/cpu/mcf532x/speed.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -36,26 +36,33 @@ DECLARE_GLOBAL_DATA_PTR; #define MAX_FVCO 500000 /* KHz */ #define MAX_FSYS 80000 /* KHz */ #define MIN_FSYS 58333 /* KHz */ + +#ifdef CONFIG_MCF5301x +#define FREF 20000 /* KHz */ +#define MAX_MFD 63 /* Multiplier */ +#define MIN_MFD 0 /* Multiplier */ +#define USBDIV 8 + +/* Low Power Divider specifications */ +#define MIN_LPD (0) /* Divider (not encoded) */ +#define MAX_LPD (15) /* Divider (not encoded) */ +#define DEFAULT_LPD (0) /* Divider (not encoded) */ +#endif + +#ifdef CONFIG_MCF532x #define FREF 16000 /* KHz */ #define MAX_MFD 135 /* Multiplier */ #define MIN_MFD 88 /* Multiplier */ -#define BUSDIV 6 /* Divider */ -/* - * Low Power Divider specifications - */ + +/* Low Power Divider specifications */ #define MIN_LPD (1 << 0) /* Divider (not encoded) */ #define MAX_LPD (1 << 15) /* Divider (not encoded) */ #define DEFAULT_LPD (1 << 1) /* Divider (not encoded) */ +#endif -/* - * Get the value of the current system clock - * - * Parameters: - * none - * - * Return Value: - * The current output system frequency - */ +#define BUSDIV 6 /* Divider */ + +/* Get the value of the current system clock */ int get_sys_clock(void) { volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM); @@ -65,9 +72,23 @@ int get_sys_clock(void) /* Test to see if device is in LIMP mode */ if (ccm->misccr & CCM_MISCCR_LIMP) { divider = ccm->cdr & CCM_CDR_LPDIV(0xF); +#ifdef CONFIG_MCF5301x + return (FREF / (3 * (1 << divider))); +#endif +#ifdef CONFIG_MCF532x return (FREF / (2 << divider)); +#endif } else { +#ifdef CONFIG_MCF5301x + u32 pfdr = (pll->pcr & 0x3F) + 1; + u32 refdiv = (1 << ((pll->pcr & PLL_PCR_REFDIV(7)) >> 8)); + u32 busdiv = ((pll->pdr & 0x00F0) >> 4) + 1; + + return (((FREF * pfdr) / refdiv) / busdiv); +#endif +#ifdef CONFIG_MCF532x return ((FREF * pll->pfdr) / (BUSDIV * 4)); +#endif } } @@ -92,7 +113,7 @@ int clock_limp(int div) div = MAX_LPD; /* Save of the current value of the SSIDIV so we don't overwrite the value */ - temp = (ccm->cdr & CCM_CDR_SSIDIV(0xF)); + temp = (ccm->cdr & CCM_CDR_SSIDIV(0xFF)); /* Apply the divider to the system clock */ ccm->cdr = (CCM_CDR_LPDIV(div) | CCM_CDR_SSIDIV(temp)); @@ -102,15 +123,7 @@ int clock_limp(int div) return (FREF / (3 * (1 << div))); } -/* - * Exit low power LIMP mode - * - * Parameters: - * div Desired system frequency divider - * - * Return Value: - * The resulting output system frequency - */ +/* Exit low power LIMP mode */ int clock_exit_limp(void) { volatile ccm_t *ccm = (volatile ccm_t *)(MMAP_CCM); @@ -139,7 +152,10 @@ int clock_exit_limp(void) */ int clock_pll(int fsys, int flags) { +#ifdef CONFIG_MCF532x volatile u32 *sdram_workaround = (volatile u32 *)(MMAP_SDRAM + 0x80); +#endif + volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL); int fref, temp, fout, mfd; u32 i; @@ -148,9 +164,17 @@ int clock_pll(int fsys, int flags) if (fsys == 0) { /* Return current PLL output */ +#ifdef CONFIG_MCF5301x + u32 busdiv = ((pll->pdr >> 4) & 0x0F) + 1; + mfd = (pll->pcr & 0x3F) + 1; + + return (fref * mfd) / busdiv; +#endif +#ifdef CONFIG_MCF532x mfd = pll->pfdr; return (fref * mfd / (BUSDIV * 4)); +#endif } /* Check bounds of requested system clock */ @@ -160,21 +184,33 @@ int clock_pll(int fsys, int flags) if (fsys < MIN_FSYS) fsys = MIN_FSYS; - /* Multiplying by 100 when calculating the temp value, - and then dividing by 100 to calculate the mfd allows - for exact values without needing to include floating - point libraries. */ + /* + * Multiplying by 100 when calculating the temp value, + * and then dividing by 100 to calculate the mfd allows + * for exact values without needing to include floating + * point libraries. + */ temp = (100 * fsys) / fref; +#ifdef CONFIG_MCF5301x + mfd = (BUSDIV * temp) / 100; + + /* Determine the output frequency for selected values */ + fout = ((fref * mfd) / BUSDIV); +#endif +#ifdef CONFIG_MCF532x mfd = (4 * BUSDIV * temp) / 100; /* Determine the output frequency for selected values */ fout = ((fref * mfd) / (BUSDIV * 4)); +#endif /* * Check to see if the SDRAM has already been initialized. * If it has then the SDRAM needs to be put into self refresh * mode before reprogramming the PLL. */ + if (sdram->ctrl & SDRAMC_SDCR_REF) + sdram->ctrl &= ~SDRAMC_SDCR_CKE; /* * Initialize the PLL to generate the new system clock frequency. @@ -184,20 +220,37 @@ int clock_pll(int fsys, int flags) /* Enter LIMP mode */ clock_limp(DEFAULT_LPD); +#ifdef CONFIG_MCF5301x + pll->pdr = + PLL_PDR_OUTDIV1((BUSDIV / 3) - 1) | + PLL_PDR_OUTDIV2(BUSDIV - 1) | + PLL_PDR_OUTDIV3((BUSDIV / 2) - 1) | + PLL_PDR_OUTDIV4(USBDIV - 1); + + pll->pcr &= PLL_PCR_FBDIV_MASK; + pll->pcr |= PLL_PCR_FBDIV(mfd - 1); +#endif +#ifdef CONFIG_MCF532x /* Reprogram PLL for desired fsys */ pll->podr = (PLL_PODR_CPUDIV(BUSDIV / 3) | PLL_PODR_BUSDIV(BUSDIV)); pll->pfdr = mfd; +#endif /* Exit LIMP mode */ clock_exit_limp(); + /* Return the SDRAM to normal operation if it is in use. */ + if (sdram->ctrl & SDRAMC_SDCR_REF) + sdram->ctrl |= SDRAMC_SDCR_CKE; + +#ifdef CONFIG_MCF532x /* - * Return the SDRAM to normal operation if it is in use. + * software workaround for SDRAM opeartion after exiting LIMP + * mode errata */ - - /* software workaround for SDRAM opeartion after exiting LIMP mode errata */ *sdram_workaround = CONFIG_SYS_SDRAM_BASE; +#endif /* wait for DQS logic to relock */ for (i = 0; i < 0x200; i++) ; @@ -205,9 +258,7 @@ int clock_pll(int fsys, int flags) return fout; } -/* - * get_clocks() fills in gd->cpu_clock and gd->bus_clk - */ +/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */ int get_clocks(void) { gd->bus_clk = clock_pll(CONFIG_SYS_CLK / 1000, 0) * 1000; diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S index 7a3eb5f..8fa605a 100644 --- a/cpu/mcf532x/start.S +++ b/cpu/mcf532x/start.S @@ -2,6 +2,9 @@ * Copyright (C) 2003 Josef Baumgartner * Based on code from Bernhard Kuhn * + * (C) Copyright 2004-2008 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * * See file CREDITS for list of people who contributed to this * project. * @@ -140,6 +143,14 @@ _start: movec %d0, %ACR0 movec %d0, %ACR1 +#ifdef CONFIG_MCF5301x + move.l #(0xFC0a0010), %a0 + move.w (%a0), %d0 + and.l %d0, 0xEFFF + + move.w %d0, (%a0) +#endif + /* initialize general use internal ram */ move.l #0, %d0 move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 -- cgit v1.1 From 1b2708442224a551a0b865b52710306333888932 Mon Sep 17 00:00:00 2001 From: TsiChung Liew Date: Wed, 22 Oct 2008 11:55:30 +0000 Subject: ColdFire: Fix compilation error The error was caused by the change for strmhz() in cpu.c. A few of them were one extra close parenthesis. Signed-off-by: TsiChung Liew --- cpu/mcf5227x/cpu.c | 10 +++++----- cpu/mcf523x/cpu.c | 4 ++-- cpu/mcf532x/cpu.c | 4 ++-- 3 files changed, 9 insertions(+), 9 deletions(-) (limited to 'cpu') diff --git a/cpu/mcf5227x/cpu.c b/cpu/mcf5227x/cpu.c index 765aec6..d9f5f43 100644 --- a/cpu/mcf5227x/cpu.c +++ b/cpu/mcf5227x/cpu.c @@ -65,12 +65,12 @@ int checkcpu(void) printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, ver); printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", - strmhz(buf1, gd->cpu_clk)), - strmhz(buf2, gd->bus_clk)), - strmhz(buf3, gd->flb_clk))); + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk), + strmhz(buf3, gd->flb_clk)); printf(" INP CLK %s MHz VCO CLK %s MHz\n", - strmhz(buf1, gd->inp_clk)), - strmhz(buf2, gd->vco_clk))); + strmhz(buf1, gd->inp_clk), + strmhz(buf2, gd->vco_clk)); } return 0; diff --git a/cpu/mcf523x/cpu.c b/cpu/mcf523x/cpu.c index b9e48aa..a1a5133 100644 --- a/cpu/mcf523x/cpu.c +++ b/cpu/mcf523x/cpu.c @@ -65,8 +65,8 @@ int checkcpu(void) printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, ver); printf(" CPU CLK %s MHz BUS CLK %s MHz\n", - strmhz(buf1, gd->cpu_clk)), - strmhz(buf2, gd->bus_clk))); + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk)); } return 0; diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c index bcb092d..331cc15 100644 --- a/cpu/mcf532x/cpu.c +++ b/cpu/mcf532x/cpu.c @@ -104,8 +104,8 @@ int checkcpu(void) printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, ver); printf(" CPU CLK %s MHz BUS CLK %s MHz\n", - strmhz(buf1, gd->cpu_clk)), - strmhz(buf2, gd->bus_clk))); + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk)); } return 0; -- cgit v1.1 From e352495318d8056a00faa21b633b3e4374bfbf52 Mon Sep 17 00:00:00 2001 From: Roman Mashak Date: Wed, 22 Oct 2008 16:00:26 -0400 Subject: ARM926EJ-S: relocate OMAP specific 'cpuinfo.c' into OMAP directory OMAP identification is implemented in 'cpuinfo.c' and located in ARM926EJ-S directory. It makes sense to place this file in OMAP specific subdirectory, i.e. cpu/arm926ejs/omap Signed-off-by: Roman Mashak --- cpu/arm926ejs/Makefile | 2 +- cpu/arm926ejs/cpuinfo.c | 242 ------------------------------------------- cpu/arm926ejs/omap/Makefile | 2 +- cpu/arm926ejs/omap/cpuinfo.c | 242 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 244 insertions(+), 244 deletions(-) delete mode 100644 cpu/arm926ejs/cpuinfo.c create mode 100644 cpu/arm926ejs/omap/cpuinfo.c (limited to 'cpu') diff --git a/cpu/arm926ejs/Makefile b/cpu/arm926ejs/Makefile index 0facce4..d5ac7d3 100644 --- a/cpu/arm926ejs/Makefile +++ b/cpu/arm926ejs/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -COBJS = interrupts.o cpu.o cpuinfo.o +COBJS = interrupts.o cpu.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/cpu/arm926ejs/cpuinfo.c b/cpu/arm926ejs/cpuinfo.c deleted file mode 100644 index 35ba7db..0000000 --- a/cpu/arm926ejs/cpuinfo.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * OMAP1 CPU identification code - * - * Copyright (C) 2004 Nokia Corporation - * Written by Tony Lindgren - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include - -#if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) - -#define omap_readw(x) *(volatile unsigned short *)(x) -#define omap_readl(x) *(volatile unsigned long *)(x) - -#define OMAP_DIE_ID_0 0xfffe1800 -#define OMAP_DIE_ID_1 0xfffe1804 -#define OMAP_PRODUCTION_ID_0 0xfffe2000 -#define OMAP_PRODUCTION_ID_1 0xfffe2004 -#define OMAP32_ID_0 0xfffed400 -#define OMAP32_ID_1 0xfffed404 - -struct omap_id { - u16 jtag_id; /* Used to determine OMAP type */ - u8 die_rev; /* Processor revision */ - u32 omap_id; /* OMAP revision */ - u32 type; /* Cpu id bits [31:08], cpu class bits [07:00] */ -}; - -/* Register values to detect the OMAP version */ -static struct omap_id omap_ids[] = { - { .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000}, - { .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100}, - { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300}, - { .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000}, - { .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000}, - { .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000}, - { .jtag_id = 0xb576, .die_rev = 0x3, .omap_id = 0x03320100, .type = 0x16100c00}, - { .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320200, .type = 0x16100d00}, - { .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, - { .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, - { .jtag_id = 0xb576, .die_rev = 0x1, .omap_id = 0x03320100, .type = 0x16110000}, - { .jtag_id = 0xb58c, .die_rev = 0x2, .omap_id = 0x03320200, .type = 0x16110b00}, - { .jtag_id = 0xb58c, .die_rev = 0x3, .omap_id = 0x03320200, .type = 0x16110c00}, - { .jtag_id = 0xb65f, .die_rev = 0x0, .omap_id = 0x03320400, .type = 0x16212300}, - { .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320400, .type = 0x16212300}, - { .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x16212300}, - { .jtag_id = 0xb5f7, .die_rev = 0x0, .omap_id = 0x03330000, .type = 0x17100000}, - { .jtag_id = 0xb5f7, .die_rev = 0x1, .omap_id = 0x03330100, .type = 0x17100000}, - { .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000}, -}; - -/* - * Get OMAP type from PROD_ID. - * 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM. - * 1510 PROD_ID is empty, and 1610 PROD_ID does not make sense. - * Undocumented register in TEST BLOCK is used as fallback; This seems to - * work on 1510, 1610 & 1710. The official way hopefully will work in future - * processors. - */ -static u16 omap_get_jtag_id(void) -{ - u32 prod_id, omap_id; - - prod_id = omap_readl(OMAP_PRODUCTION_ID_1); - omap_id = omap_readl(OMAP32_ID_1); - - /* Check for unusable OMAP_PRODUCTION_ID_1 on 1611B/5912 and 730 */ - if (((prod_id >> 20) == 0) || (prod_id == omap_id)) - prod_id = 0; - else - prod_id &= 0xffff; - - if (prod_id) - return prod_id; - - /* Use OMAP32_ID_1 as fallback */ - prod_id = ((omap_id >> 12) & 0xffff); - - return prod_id; -} - -/* - * Get OMAP revision from DIE_REV. - * Early 1710 processors may have broken OMAP_DIE_ID, it contains PROD_ID. - * Undocumented register in the TEST BLOCK is used as fallback. - * REVISIT: This does not seem to work on 1510 - */ -static u8 omap_get_die_rev(void) -{ - u32 die_rev; - - die_rev = omap_readl(OMAP_DIE_ID_1); - - /* Check for broken OMAP_DIE_ID on early 1710 */ - if (((die_rev >> 12) & 0xffff) == omap_get_jtag_id()) - die_rev = 0; - - die_rev = (die_rev >> 17) & 0xf; - if (die_rev) - return die_rev; - - die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf; - - return die_rev; -} - -static unsigned long dpll1(void) -{ - unsigned short pll_ctl_val = omap_readw(DPLL_CTL_REG); - unsigned long rate; - - rate = CONFIG_SYS_CLK_FREQ; /* Base xtal rate */ - if (pll_ctl_val & 0x10) { - /* PLL enabled, apply multiplier and divisor */ - if (pll_ctl_val & 0xf80) - rate *= (pll_ctl_val & 0xf80) >> 7; - rate /= ((pll_ctl_val & 0x60) >> 5) + 1; - } else { - /* PLL disabled, apply bypass divisor */ - switch (pll_ctl_val & 0xc) { - case 0: - break; - case 0x4: - rate /= 2; - break; - default: - rate /= 4; - break; - } - } - - return rate; -} - -static unsigned long armcore(void) -{ - unsigned short arm_ckctl = omap_readw(ARM_CKCTL); - - return (dpll1() >> ((arm_ckctl & 0x0030) >> 4)); -} - -int print_cpuinfo (void) -{ - int i; - u16 jtag_id; - u8 die_rev; - u32 omap_id; - u8 cpu_type; - u32 system_serial_high; - u32 system_serial_low; - u32 system_rev = 0; - - jtag_id = omap_get_jtag_id(); - die_rev = omap_get_die_rev(); - omap_id = omap_readl(OMAP32_ID_0); - -#ifdef DEBUG - printf("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0)); - printf("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n", - omap_readl(OMAP_DIE_ID_1), - (omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf); - printf("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0)); - printf("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n", - omap_readl(OMAP_PRODUCTION_ID_1), - omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff); - printf("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0)); - printf("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1)); - printf("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev); -#endif - - system_serial_high = omap_readl(OMAP_DIE_ID_0); - system_serial_low = omap_readl(OMAP_DIE_ID_1); - - /* First check only the major version in a safe way */ - for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { - if (jtag_id == (omap_ids[i].jtag_id)) { - system_rev = omap_ids[i].type; - break; - } - } - - /* Check if we can find the die revision */ - for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { - if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) { - system_rev = omap_ids[i].type; - break; - } - } - - /* Finally check also the omap_id */ - for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { - if (jtag_id == omap_ids[i].jtag_id - && die_rev == omap_ids[i].die_rev - && omap_id == omap_ids[i].omap_id) { - system_rev = omap_ids[i].type; - break; - } - } - - /* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */ - cpu_type = system_rev >> 24; - - switch (cpu_type) { - case 0x07: - system_rev |= 0x07; - break; - case 0x03: - case 0x15: - system_rev |= 0x15; - break; - case 0x16: - case 0x17: - system_rev |= 0x16; - break; - case 0x24: - system_rev |= 0x24; - break; - default: - printf("Unknown OMAP cpu type: 0x%02x\n", cpu_type); - } - - printf("CPU: OMAP%04x", system_rev >> 16); - if ((system_rev >> 8) & 0xff) - printf("%x", (system_rev >> 8) & 0xff); -#ifdef DEBUG - printf(" revision %i handled as %02xxx id: %08x%08x", - die_rev, system_rev & 0xff, system_serial_low, system_serial_high); -#endif - printf(" at %ld.%01ld MHz (DPLL1=%ld.%01ld MHz)\n", - armcore() / 1000000, (armcore() / 100000) % 10, - dpll1() / 1000000, (dpll1() / 100000) % 10); - - return 0; -} - -#endif /* #if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) */ diff --git a/cpu/arm926ejs/omap/Makefile b/cpu/arm926ejs/omap/Makefile index c335d5c..74aea74 100644 --- a/cpu/arm926ejs/omap/Makefile +++ b/cpu/arm926ejs/omap/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).a -COBJS = timer.o +COBJS = timer.o cpuinfo.o SOBJS = reset.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/cpu/arm926ejs/omap/cpuinfo.c b/cpu/arm926ejs/omap/cpuinfo.c new file mode 100644 index 0000000..35ba7db --- /dev/null +++ b/cpu/arm926ejs/omap/cpuinfo.c @@ -0,0 +1,242 @@ +/* + * OMAP1 CPU identification code + * + * Copyright (C) 2004 Nokia Corporation + * Written by Tony Lindgren + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include + +#if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) + +#define omap_readw(x) *(volatile unsigned short *)(x) +#define omap_readl(x) *(volatile unsigned long *)(x) + +#define OMAP_DIE_ID_0 0xfffe1800 +#define OMAP_DIE_ID_1 0xfffe1804 +#define OMAP_PRODUCTION_ID_0 0xfffe2000 +#define OMAP_PRODUCTION_ID_1 0xfffe2004 +#define OMAP32_ID_0 0xfffed400 +#define OMAP32_ID_1 0xfffed404 + +struct omap_id { + u16 jtag_id; /* Used to determine OMAP type */ + u8 die_rev; /* Processor revision */ + u32 omap_id; /* OMAP revision */ + u32 type; /* Cpu id bits [31:08], cpu class bits [07:00] */ +}; + +/* Register values to detect the OMAP version */ +static struct omap_id omap_ids[] = { + { .jtag_id = 0xb574, .die_rev = 0x2, .omap_id = 0x03310315, .type = 0x03100000}, + { .jtag_id = 0x355f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300100}, + { .jtag_id = 0xb55f, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x07300300}, + { .jtag_id = 0xb470, .die_rev = 0x0, .omap_id = 0x03310100, .type = 0x15100000}, + { .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320000, .type = 0x16100000}, + { .jtag_id = 0xb576, .die_rev = 0x2, .omap_id = 0x03320100, .type = 0x16110000}, + { .jtag_id = 0xb576, .die_rev = 0x3, .omap_id = 0x03320100, .type = 0x16100c00}, + { .jtag_id = 0xb576, .die_rev = 0x0, .omap_id = 0x03320200, .type = 0x16100d00}, + { .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, + { .jtag_id = 0xb613, .die_rev = 0x0, .omap_id = 0x03320300, .type = 0x1610ef00}, + { .jtag_id = 0xb576, .die_rev = 0x1, .omap_id = 0x03320100, .type = 0x16110000}, + { .jtag_id = 0xb58c, .die_rev = 0x2, .omap_id = 0x03320200, .type = 0x16110b00}, + { .jtag_id = 0xb58c, .die_rev = 0x3, .omap_id = 0x03320200, .type = 0x16110c00}, + { .jtag_id = 0xb65f, .die_rev = 0x0, .omap_id = 0x03320400, .type = 0x16212300}, + { .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320400, .type = 0x16212300}, + { .jtag_id = 0xb65f, .die_rev = 0x1, .omap_id = 0x03320500, .type = 0x16212300}, + { .jtag_id = 0xb5f7, .die_rev = 0x0, .omap_id = 0x03330000, .type = 0x17100000}, + { .jtag_id = 0xb5f7, .die_rev = 0x1, .omap_id = 0x03330100, .type = 0x17100000}, + { .jtag_id = 0xb5f7, .die_rev = 0x2, .omap_id = 0x03330100, .type = 0x17100000}, +}; + +/* + * Get OMAP type from PROD_ID. + * 1710 has the PROD_ID in bits 15:00, not in 16:01 as documented in TRM. + * 1510 PROD_ID is empty, and 1610 PROD_ID does not make sense. + * Undocumented register in TEST BLOCK is used as fallback; This seems to + * work on 1510, 1610 & 1710. The official way hopefully will work in future + * processors. + */ +static u16 omap_get_jtag_id(void) +{ + u32 prod_id, omap_id; + + prod_id = omap_readl(OMAP_PRODUCTION_ID_1); + omap_id = omap_readl(OMAP32_ID_1); + + /* Check for unusable OMAP_PRODUCTION_ID_1 on 1611B/5912 and 730 */ + if (((prod_id >> 20) == 0) || (prod_id == omap_id)) + prod_id = 0; + else + prod_id &= 0xffff; + + if (prod_id) + return prod_id; + + /* Use OMAP32_ID_1 as fallback */ + prod_id = ((omap_id >> 12) & 0xffff); + + return prod_id; +} + +/* + * Get OMAP revision from DIE_REV. + * Early 1710 processors may have broken OMAP_DIE_ID, it contains PROD_ID. + * Undocumented register in the TEST BLOCK is used as fallback. + * REVISIT: This does not seem to work on 1510 + */ +static u8 omap_get_die_rev(void) +{ + u32 die_rev; + + die_rev = omap_readl(OMAP_DIE_ID_1); + + /* Check for broken OMAP_DIE_ID on early 1710 */ + if (((die_rev >> 12) & 0xffff) == omap_get_jtag_id()) + die_rev = 0; + + die_rev = (die_rev >> 17) & 0xf; + if (die_rev) + return die_rev; + + die_rev = (omap_readl(OMAP32_ID_1) >> 28) & 0xf; + + return die_rev; +} + +static unsigned long dpll1(void) +{ + unsigned short pll_ctl_val = omap_readw(DPLL_CTL_REG); + unsigned long rate; + + rate = CONFIG_SYS_CLK_FREQ; /* Base xtal rate */ + if (pll_ctl_val & 0x10) { + /* PLL enabled, apply multiplier and divisor */ + if (pll_ctl_val & 0xf80) + rate *= (pll_ctl_val & 0xf80) >> 7; + rate /= ((pll_ctl_val & 0x60) >> 5) + 1; + } else { + /* PLL disabled, apply bypass divisor */ + switch (pll_ctl_val & 0xc) { + case 0: + break; + case 0x4: + rate /= 2; + break; + default: + rate /= 4; + break; + } + } + + return rate; +} + +static unsigned long armcore(void) +{ + unsigned short arm_ckctl = omap_readw(ARM_CKCTL); + + return (dpll1() >> ((arm_ckctl & 0x0030) >> 4)); +} + +int print_cpuinfo (void) +{ + int i; + u16 jtag_id; + u8 die_rev; + u32 omap_id; + u8 cpu_type; + u32 system_serial_high; + u32 system_serial_low; + u32 system_rev = 0; + + jtag_id = omap_get_jtag_id(); + die_rev = omap_get_die_rev(); + omap_id = omap_readl(OMAP32_ID_0); + +#ifdef DEBUG + printf("OMAP_DIE_ID_0: 0x%08x\n", omap_readl(OMAP_DIE_ID_0)); + printf("OMAP_DIE_ID_1: 0x%08x DIE_REV: %i\n", + omap_readl(OMAP_DIE_ID_1), + (omap_readl(OMAP_DIE_ID_1) >> 17) & 0xf); + printf("OMAP_PRODUCTION_ID_0: 0x%08x\n", omap_readl(OMAP_PRODUCTION_ID_0)); + printf("OMAP_PRODUCTION_ID_1: 0x%08x JTAG_ID: 0x%04x\n", + omap_readl(OMAP_PRODUCTION_ID_1), + omap_readl(OMAP_PRODUCTION_ID_1) & 0xffff); + printf("OMAP32_ID_0: 0x%08x\n", omap_readl(OMAP32_ID_0)); + printf("OMAP32_ID_1: 0x%08x\n", omap_readl(OMAP32_ID_1)); + printf("JTAG_ID: 0x%04x DIE_REV: %i\n", jtag_id, die_rev); +#endif + + system_serial_high = omap_readl(OMAP_DIE_ID_0); + system_serial_low = omap_readl(OMAP_DIE_ID_1); + + /* First check only the major version in a safe way */ + for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { + if (jtag_id == (omap_ids[i].jtag_id)) { + system_rev = omap_ids[i].type; + break; + } + } + + /* Check if we can find the die revision */ + for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { + if (jtag_id == omap_ids[i].jtag_id && die_rev == omap_ids[i].die_rev) { + system_rev = omap_ids[i].type; + break; + } + } + + /* Finally check also the omap_id */ + for (i = 0; i < ARRAY_SIZE(omap_ids); i++) { + if (jtag_id == omap_ids[i].jtag_id + && die_rev == omap_ids[i].die_rev + && omap_id == omap_ids[i].omap_id) { + system_rev = omap_ids[i].type; + break; + } + } + + /* Add the cpu class info (7xx, 15xx, 16xx, 24xx) */ + cpu_type = system_rev >> 24; + + switch (cpu_type) { + case 0x07: + system_rev |= 0x07; + break; + case 0x03: + case 0x15: + system_rev |= 0x15; + break; + case 0x16: + case 0x17: + system_rev |= 0x16; + break; + case 0x24: + system_rev |= 0x24; + break; + default: + printf("Unknown OMAP cpu type: 0x%02x\n", cpu_type); + } + + printf("CPU: OMAP%04x", system_rev >> 16); + if ((system_rev >> 8) & 0xff) + printf("%x", (system_rev >> 8) & 0xff); +#ifdef DEBUG + printf(" revision %i handled as %02xxx id: %08x%08x", + die_rev, system_rev & 0xff, system_serial_low, system_serial_high); +#endif + printf(" at %ld.%01ld MHz (DPLL1=%ld.%01ld MHz)\n", + armcore() / 1000000, (armcore() / 100000) % 10, + dpll1() / 1000000, (dpll1() / 100000) % 10); + + return 0; +} + +#endif /* #if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_OMAP) */ -- cgit v1.1 From 26eecd24f97130e56e9c2c2af0e714e05bce6e00 Mon Sep 17 00:00:00 2001 From: Tomohiro Masubuchi Date: Tue, 21 Oct 2008 13:17:16 +0900 Subject: Change to use "do_div" macro Signed-off-by: Tomohiro Masubuchi --- cpu/arm1136/mx31/interrupts.c | 58 +++++++++++++++++++++++++++++++++---------- 1 file changed, 45 insertions(+), 13 deletions(-) (limited to 'cpu') diff --git a/cpu/arm1136/mx31/interrupts.c b/cpu/arm1136/mx31/interrupts.c index b36c58c..ab7202f 100644 --- a/cpu/arm1136/mx31/interrupts.c +++ b/cpu/arm1136/mx31/interrupts.c @@ -23,6 +23,7 @@ #include #include +#include #define TIMER_BASE 0x53f90000 /* General purpose timer 1 */ @@ -38,24 +39,55 @@ #define GPTCR_CLKSOURCE_32 (4 << 6) /* Clock source */ #define GPTCR_TEN 1 /* Timer enable */ +static ulong timestamp; +static ulong lastinc; + /* "time" is measured in 1 / CONFIG_SYS_HZ seconds, "tick" is internal timer period */ #ifdef CONFIG_MX31_TIMER_HIGH_PRECISION /* ~0.4% error - measured with stop-watch on 100s boot-delay */ -#define TICK_TO_TIME(t) ((t) * CONFIG_SYS_HZ / CONFIG_MX31_CLK32) -#define TIME_TO_TICK(t) ((unsigned long long)(t) * CONFIG_MX31_CLK32 / CONFIG_SYS_HZ) -#define US_TO_TICK(t) (((unsigned long long)(t) * CONFIG_MX31_CLK32 + \ - 999999) / 1000000) +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + tick *= CONFIG_SYS_HZ; + do_div(tick, CONFIG_MX31_CLK32); + return tick; +} + +static inline unsigned long long time_to_tick(unsigned long long time) +{ + time *= CONFIG_MX31_CLK32; + do_div(time, CONFIG_SYS_HZ); + return time; +} + +static inline unsigned long long us_to_tick(unsigned long long us) +{ + us = us * CONFIG_MX31_CLK32 + 999999; + do_div(us, 1000000); + return us; +} #else /* ~2% error */ #define TICK_PER_TIME ((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ) #define US_PER_TICK (1000000 / CONFIG_MX31_CLK32) -#define TICK_TO_TIME(t) ((t) / TICK_PER_TIME) -#define TIME_TO_TICK(t) ((unsigned long long)(t) * TICK_PER_TIME) -#define US_TO_TICK(t) (((t) + US_PER_TICK - 1) / US_PER_TICK) -#endif -static ulong timestamp; -static ulong lastinc; +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + do_div(tick, TICK_PER_TIME); + return tick; +} + +static inline unsigned long long time_to_tick(unsigned long long time) +{ + return time * TICK_PER_TIME; +} + +static inline unsigned long long us_to_tick(unsigned long long us) +{ + us += US_PER_TICK - 1; + do_div(us, US_PER_TICK); + return us; +} +#endif /* nothing really to do with interrupts, just starts up a counter. */ /* The 32768Hz 32-bit timer overruns in 131072 seconds */ @@ -107,7 +139,7 @@ ulong get_timer_masked (void) * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in * 5 * 10^6 days - long enough. */ - return TICK_TO_TIME(get_ticks()); + return tick_to_time(get_ticks()); } ulong get_timer (ulong base) @@ -117,7 +149,7 @@ ulong get_timer (ulong base) void set_timer (ulong t) { - timestamp = TIME_TO_TICK(t); + timestamp = time_to_tick(t); } /* delay x useconds AND perserve advance timstamp value */ @@ -126,7 +158,7 @@ void udelay (unsigned long usec) unsigned long long tmp; ulong tmo; - tmo = US_TO_TICK(usec); + tmo = us_to_tick(usec); tmp = get_ticks() + tmo; /* get current timestamp */ while (get_ticks() < tmp) /* loop till event */ -- cgit v1.1