diff options
Diffstat (limited to 'arch/m68k/cpu/mcf5445x/cpu_init.c')
-rw-r--r-- | arch/m68k/cpu/mcf5445x/cpu_init.c | 316 |
1 files changed, 282 insertions, 34 deletions
diff --git a/arch/m68k/cpu/mcf5445x/cpu_init.c b/arch/m68k/cpu/mcf5445x/cpu_init.c index 3f9209f..6e947d0 100644 --- a/arch/m68k/cpu/mcf5445x/cpu_init.c +++ b/arch/m68k/cpu/mcf5445x/cpu_init.c @@ -31,6 +31,7 @@ #include <asm/processor.h> #include <asm/rtc.h> #include <asm/io.h> +#include <linux/compiler.h> #if defined(CONFIG_CMD_NET) #include <config.h> @@ -38,37 +39,11 @@ #include <asm/fec.h> #endif -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers, - * initialize the UPM's - */ -void cpu_init_f(void) +void init_fbcs(void) { - scm1_t *scm1 = (scm1_t *) MMAP_SCM1; - gpio_t *gpio = (gpio_t *) MMAP_GPIO; - fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; - - out_be32(&scm1->mpr, 0x77777777); - out_be32(&scm1->pacra, 0); - out_be32(&scm1->pacrb, 0); - out_be32(&scm1->pacrc, 0); - out_be32(&scm1->pacrd, 0); - out_be32(&scm1->pacre, 0); - out_be32(&scm1->pacrf, 0); - out_be32(&scm1->pacrg, 0); + fbcs_t *fbcs __maybe_unused = (fbcs_t *) MMAP_FBCS; - /* FlexBus */ - out_8(&gpio->par_be, - GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | - GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0); - out_8(&gpio->par_fbctl, - GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | - GPIO_PAR_FBCTL_RW_RW | GPIO_PAR_FBCTL_TS_TS); - -#if !defined(CONFIG_CF_SBF) +#if !defined(CONFIG_SERIAL_BOOT) #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE); out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL); @@ -106,6 +81,145 @@ void cpu_init_f(void) out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL); out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK); #endif +} + +/* + * Breath some life into the CPU... + * + * Set up the memory map, + * initialize a bunch of registers, + * initialize the UPM's + */ +void cpu_init_f(void) +{ + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + +#ifdef CONFIG_MCF5441x + scm_t *scm = (scm_t *) MMAP_SCM; + pm_t *pm = (pm_t *) MMAP_PM; + + /* Disable Switch */ + *(unsigned long *)(MMAP_L2_SW0 + 0x00000024) = 0; + + /* Disable core watchdog */ + out_be16(&scm->cwcr, 0); + out_8(&gpio->par_fbctl, + GPIO_PAR_FBCTL_ALE_FB_ALE | GPIO_PAR_FBCTL_OE_FB_OE | + GPIO_PAR_FBCTL_FBCLK | GPIO_PAR_FBCTL_RW | + GPIO_PAR_FBCTL_TA_TA); + out_8(&gpio->par_be, + GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | + GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0); + + /* eDMA */ + out_8(&pm->pmcr0, 17); + + /* INTR0 - INTR2 */ + out_8(&pm->pmcr0, 18); + out_8(&pm->pmcr0, 19); + out_8(&pm->pmcr0, 20); + + /* I2C */ + out_8(&pm->pmcr0, 22); + out_8(&pm->pmcr1, 4); + out_8(&pm->pmcr1, 7); + + /* DTMR0 - DTMR3*/ + out_8(&pm->pmcr0, 28); + out_8(&pm->pmcr0, 29); + out_8(&pm->pmcr0, 30); + out_8(&pm->pmcr0, 31); + + /* PIT0 - PIT3 */ + out_8(&pm->pmcr0, 32); + out_8(&pm->pmcr0, 33); + out_8(&pm->pmcr0, 34); + out_8(&pm->pmcr0, 35); + + /* Edge Port */ + out_8(&pm->pmcr0, 36); + out_8(&pm->pmcr0, 37); + + /* USB OTG */ + out_8(&pm->pmcr0, 44); + /* USB Host */ + out_8(&pm->pmcr0, 45); + + /* ESDHC */ + out_8(&pm->pmcr0, 51); + + /* ENET0 - ENET1 */ + out_8(&pm->pmcr0, 53); + out_8(&pm->pmcr0, 54); + + /* NAND */ + out_8(&pm->pmcr0, 63); + +#ifdef CONFIG_SYS_I2C_0 + out_8(&gpio->par_cani2c, 0xF0); + /* I2C0 pull up */ + out_be16(&gpio->pcr_b, 0x003C); + /* I2C0 max speed */ + out_8(&gpio->srcr_cani2c, 0x03); +#endif +#ifdef CONFIG_SYS_I2C_2 + /* I2C2 */ + out_8(&gpio->par_ssi0h, 0xA0); + /* I2C2, UART7 */ + out_8(&gpio->par_ssi0h, 0xA8); + /* UART7 */ + out_8(&gpio->par_ssi0l, 0x2); + /* UART8, UART9 */ + out_8(&gpio->par_cani2c, 0xAA); + /* UART4, UART0 */ + out_8(&gpio->par_uart0, 0xAF); + /* UART5, UART1 */ + out_8(&gpio->par_uart1, 0xAF); + /* UART6, UART2 */ + out_8(&gpio->par_uart2, 0xAF); + /* I2C2 pull up */ + out_be16(&gpio->pcr_h, 0xF000); +#endif +#ifdef CONFIG_SYS_I2C_5 + /* I2C5 */ + out_8(&gpio->par_uart1, 0x0A); + /* I2C5 pull up */ + out_be16(&gpio->pcr_e, 0x0003); + out_be16(&gpio->pcr_f, 0xC000); +#endif + + /* Lowest slew rate for UART0,1,2 */ + out_8(&gpio->srcr_uart, 0x00); +#endif /* CONFIG_MCF5441x */ + +#ifdef CONFIG_MCF5445x + scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + + out_be32(&scm1->mpr, 0x77777777); + out_be32(&scm1->pacra, 0); + out_be32(&scm1->pacrb, 0); + out_be32(&scm1->pacrc, 0); + out_be32(&scm1->pacrd, 0); + out_be32(&scm1->pacre, 0); + out_be32(&scm1->pacrf, 0); + out_be32(&scm1->pacrg, 0); + + /* FlexBus */ + out_8(&gpio->par_be, + GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | + GPIO_PAR_BE_BE1_BE1 | GPIO_PAR_BE_BE0_BE0); + out_8(&gpio->par_fbctl, + GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | + GPIO_PAR_FBCTL_RW_RW | GPIO_PAR_FBCTL_TS_TS); + +#ifdef CONFIG_FSL_I2C + out_be16(&gpio->par_feci2c, + GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA); +#endif +#endif /* CONFIG_MCF5445x */ + + /* FlexBus Chipselect */ + init_fbcs(); /* * now the flash base address is no longer at 0 (Newer ColdFire family @@ -115,11 +229,6 @@ void cpu_init_f(void) if (CONFIG_SYS_CS0_BASE != 0) setvbr(CONFIG_SYS_CS0_BASE); -#ifdef CONFIG_FSL_I2C - out_be16(&gpio->par_feci2c, - GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA); -#endif - icache_enable(); } @@ -142,9 +251,95 @@ int cpu_init_r(void) void uart_port_conf(int port) { gpio_t *gpio = (gpio_t *) MMAP_GPIO; +#ifdef CONFIG_MCF5441x + pm_t *pm = (pm_t *) MMAP_PM; +#endif /* Setup Ports: */ switch (port) { +#ifdef CONFIG_MCF5441x + case 0: + /* UART0 */ + out_8(&pm->pmcr0, 24); + clrbits_8(&gpio->par_uart0, + ~(GPIO_PAR_UART0_U0RXD_MASK | GPIO_PAR_UART0_U0TXD_MASK)); + setbits_8(&gpio->par_uart0, + GPIO_PAR_UART0_U0RXD_U0RXD | GPIO_PAR_UART0_U0TXD_U0TXD); + break; + case 1: + /* UART1 */ + out_8(&pm->pmcr0, 25); + clrbits_8(&gpio->par_uart1, + ~(GPIO_PAR_UART1_U1RXD_MASK | GPIO_PAR_UART1_U1TXD_MASK)); + setbits_8(&gpio->par_uart1, + GPIO_PAR_UART1_U1RXD_U1RXD | GPIO_PAR_UART1_U1TXD_U1TXD); + break; + case 2: + /* UART2 */ + out_8(&pm->pmcr0, 26); + clrbits_8(&gpio->par_uart2, + ~(GPIO_PAR_UART2_U2RXD_MASK | GPIO_PAR_UART2_U2TXD_MASK)); + setbits_8(&gpio->par_uart2, + GPIO_PAR_UART2_U2RXD_U2RXD | GPIO_PAR_UART2_U2TXD_U2TXD); + break; + case 3: + /* UART3 */ + out_8(&pm->pmcr0, 27); + clrbits_8(&gpio->par_dspi0, + ~(GPIO_PAR_DSPI0_SIN_MASK | GPIO_PAR_DSPI0_SOUT_MASK)); + setbits_8(&gpio->par_dspi0, + GPIO_PAR_DSPI0_SIN_U3RXD | GPIO_PAR_DSPI0_SOUT_U3TXD); + break; + case 4: + /* UART4 */ + out_8(&pm->pmcr1, 24); + clrbits_8(&gpio->par_uart0, + ~(GPIO_PAR_UART0_U0CTS_MASK | GPIO_PAR_UART0_U0RTS_MASK)); + setbits_8(&gpio->par_uart0, + GPIO_PAR_UART0_U0CTS_U4TXD | GPIO_PAR_UART0_U0RTS_U4RXD); + break; + case 5: + /* UART5 */ + out_8(&pm->pmcr1, 25); + clrbits_8(&gpio->par_uart1, + ~(GPIO_PAR_UART1_U1CTS_MASK | GPIO_PAR_UART1_U1RTS_MASK)); + setbits_8(&gpio->par_uart1, + GPIO_PAR_UART1_U1CTS_U5TXD | GPIO_PAR_UART1_U1RTS_U5RXD); + break; + case 6: + /* UART6 */ + out_8(&pm->pmcr1, 26); + clrbits_8(&gpio->par_uart2, + ~(GPIO_PAR_UART2_U2CTS_MASK | GPIO_PAR_UART2_U2RTS_MASK)); + setbits_8(&gpio->par_uart2, + GPIO_PAR_UART2_U2CTS_U6TXD | GPIO_PAR_UART2_U2RTS_U6RXD); + break; + case 7: + /* UART7 */ + out_8(&pm->pmcr1, 27); + clrbits_8(&gpio->par_ssi0h, ~GPIO_PAR_SSI0H_RXD_MASK); + clrbits_8(&gpio->par_ssi0l, ~GPIO_PAR_SSI0L_BCLK_MASK); + setbits_8(&gpio->par_ssi0h, GPIO_PAR_SSI0H_FS_U7TXD); + setbits_8(&gpio->par_ssi0l, GPIO_PAR_SSI0L_BCLK_U7RXD); + break; + case 8: + /* UART8 */ + out_8(&pm->pmcr0, 28); + clrbits_8(&gpio->par_cani2c, + ~(GPIO_PAR_CANI2C_I2C0SCL_MASK | GPIO_PAR_CANI2C_I2C0SDA_MASK)); + setbits_8(&gpio->par_cani2c, + GPIO_PAR_CANI2C_I2C0SCL_U8TXD | GPIO_PAR_CANI2C_I2C0SDA_U8RXD); + break; + case 9: + /* UART9 */ + out_8(&pm->pmcr1, 29); + clrbits_8(&gpio->par_cani2c, + ~(GPIO_PAR_CANI2C_CAN1TX_MASK | GPIO_PAR_CANI2C_CAN1RX_MASK)); + setbits_8(&gpio->par_cani2c, + GPIO_PAR_CANI2C_CAN1TX_U9TXD | GPIO_PAR_CANI2C_CAN1RX_U9RXD); + break; +#endif +#ifdef CONFIG_MCF5445x case 0: clrbits_8(&gpio->par_uart, GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); @@ -177,6 +372,7 @@ void uart_port_conf(int port) GPIO_PAR_FECI2C_SCL_U2TXD | GPIO_PAR_FECI2C_SDA_U2RXD); #endif break; +#endif /* CONFIG_MCF5445x */ } } @@ -186,6 +382,7 @@ int fecpin_setclear(struct eth_device *dev, int setclear) gpio_t *gpio = (gpio_t *) MMAP_GPIO; struct fec_info_s *info = (struct fec_info_s *)dev->priv; +#ifdef CONFIG_MCF5445x if (setclear) { #ifdef CONFIG_SYS_FEC_NO_SHARED_PHY if (info->iobase == CONFIG_SYS_FEC0_IOBASE) @@ -223,6 +420,21 @@ int fecpin_setclear(struct eth_device *dev, int setclear) #endif } } +#endif /* CONFIG_MCF5445x */ + +#ifdef CONFIG_MCF5441x + if (setclear) { + out_8(&gpio->par_fec, 0x03); + out_8(&gpio->srcr_fec, 0x0F); + clrsetbits_8(&gpio->par_simp0h, ~GPIO_PAR_SIMP0H_DAT_MASK, + GPIO_PAR_SIMP0H_DAT_GPIO); + clrsetbits_8(&gpio->pddr_g, ~GPIO_PDDR_G4_MASK, + GPIO_PDDR_G4_OUTPUT); + clrbits_8(&gpio->podr_g, ~GPIO_PODR_G4_MASK); + + } else + clrbits_8(&gpio->par_fec, ~GPIO_PAR_FEC_FEC_MASK); +#endif return 0; } #endif @@ -232,10 +444,24 @@ void cfspi_port_conf(void) { gpio_t *gpio = (gpio_t *) MMAP_GPIO; +#ifdef CONFIG_MCF5445x out_8(&gpio->par_dspi, GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | GPIO_PAR_DSPI_SCK_SCK); +#endif + +#ifdef CONFIG_MCF5441x + pm_t *pm = (pm_t *) MMAP_PM; + + out_8(&gpio->par_dspi0, + GPIO_PAR_DSPI0_SIN_DSPI0SIN | GPIO_PAR_DSPI0_SOUT_DSPI0SOUT | + GPIO_PAR_DSPI0_SCK_DSPI0SCK); + out_8(&gpio->srcr_dspiow, 3); + + /* DSPI0 */ + out_8(&pm->pmcr0, 23); +#endif } int cfspi_claim_bus(uint bus, uint cs) @@ -249,6 +475,7 @@ int cfspi_claim_bus(uint bus, uint cs) /* Clear FIFO and resume transfer */ clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF); +#ifdef CONFIG_MCF5445x switch (cs) { case 0: clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); @@ -271,6 +498,20 @@ int cfspi_claim_bus(uint bus, uint cs) setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5); break; } +#endif + +#ifdef CONFIG_MCF5441x + switch (cs) { + case 0: + clrbits_8(&gpio->par_dspi0, ~GPIO_PAR_DSPI0_PCS0_MASK); + setbits_8(&gpio->par_dspi0, GPIO_PAR_DSPI0_PCS0_DSPI0PCS0); + break; + case 1: + clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1); + setbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1); + break; + } +#endif return 0; } @@ -283,6 +524,7 @@ void cfspi_release_bus(uint bus, uint cs) /* Clear FIFO */ clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF); +#ifdef CONFIG_MCF5445x switch (cs) { case 0: clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); @@ -300,5 +542,11 @@ void cfspi_release_bus(uint bus, uint cs) clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS5_PCS5); break; } +#endif + +#ifdef CONFIG_MCF5441x + if (cs == 1) + clrbits_8(&gpio->par_dspiow, GPIO_PAR_DSPIOW_DSPI0PSC1); +#endif } #endif |