diff options
author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
---|---|---|
committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
commit | cb5473205206c7f14cbb1e747f28ec75b48826e2 (patch) | |
tree | 8f4808d60917100b18a10b05230f7638a0a9bbcc /cpu/mcf532x | |
parent | baf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff) | |
parent | 92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff) | |
download | talos-obmc-uboot-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.gz talos-obmc-uboot-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip |
Merge branch 'fixes' into cleanups
Conflicts:
board/atmel/atngw100/atngw100.c
board/atmel/atstk1000/atstk1000.c
cpu/at32ap/at32ap700x/gpio.c
include/asm-avr32/arch-at32ap700x/clk.h
include/configs/atngw100.h
include/configs/atstk1002.h
include/configs/atstk1003.h
include/configs/atstk1004.h
include/configs/atstk1006.h
include/configs/favr-32-ezkit.h
include/configs/hammerhead.h
include/configs/mimc200.h
Diffstat (limited to 'cpu/mcf532x')
-rw-r--r-- | cpu/mcf532x/cpu.c | 34 | ||||
-rw-r--r-- | cpu/mcf532x/cpu_init.c | 265 | ||||
-rw-r--r-- | cpu/mcf532x/interrupts.c | 8 | ||||
-rw-r--r-- | cpu/mcf532x/speed.c | 123 | ||||
-rw-r--r-- | cpu/mcf532x/start.S | 52 |
5 files changed, 381 insertions, 101 deletions
diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c index 20d0d5cf27..331cc15da4 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 @@ -28,6 +28,7 @@ #include <common.h> #include <watchdog.h> #include <command.h> +#include <netdev.h> #include <asm/immap.h> @@ -55,6 +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; @@ -76,14 +95,17 @@ int checkcpu(void) case 0x6B: id = 5372; break; +#endif } if (id) { + char buf1[32], buf2[32]; + printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, ver); - printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n", - (int)(gd->cpu_clk / 1000000), - (int)(gd->bus_clk / 1000000)); + printf(" CPU CLK %s MHz BUS CLK %s MHz\n", + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk)); } return 0; @@ -116,7 +138,7 @@ int watchdog_init(void) u32 wdog_module = 0; /* set timeout and enable watchdog */ - wdog_module = ((CFG_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT); + wdog_module = ((CONFIG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT); #ifdef CONFIG_M5329 wdp->mr = (wdog_module / 8192); #else @@ -136,8 +158,6 @@ int watchdog_init(void) * int board_eth_init(bd_t *bis) */ -extern int mcffec_initialize(bd_t*); - int cpu_eth_init(bd_t *bis) { return mcffec_initialize(bis); diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c index 93086f74bf..687c7e42ec 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 @@ -27,16 +27,188 @@ #include <common.h> #include <watchdog.h> - #include <asm/immap.h> -/* - * Breath some life into the CPU... - * - * Set up the memory map, - * initialize a bunch of registers, - * initialize the UPM's - */ +#if defined(CONFIG_CMD_NET) +#include <config.h> +#include <net.h> +#include <asm/fec.h> +#endif + +#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; @@ -63,46 +235,52 @@ void cpu_init_f(void) /* Port configuration */ gpio->par_cs = 0; -#if (defined(CFG_CS0_BASE) && defined(CFG_CS0_MASK) && defined(CFG_CS0_CTRL)) - fbcs->csar0 = CFG_CS0_BASE; - fbcs->cscr0 = CFG_CS0_CTRL; - fbcs->csmr0 = CFG_CS0_MASK; +#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(CFG_CS1_BASE) && defined(CFG_CS1_MASK) && defined(CFG_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 = CFG_CS1_BASE; - fbcs->cscr1 = CFG_CS1_CTRL; - fbcs->csmr1 = CFG_CS1_MASK; + fbcs->csar1 = CONFIG_SYS_CS1_BASE; + fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; + fbcs->csmr1 = CONFIG_SYS_CS1_MASK; #endif -#if (defined(CFG_CS2_BASE) && defined(CFG_CS2_MASK) && defined(CFG_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 = CFG_CS2_BASE; - fbcs->cscr2 = CFG_CS2_CTRL; - fbcs->csmr2 = CFG_CS2_MASK; + fbcs->csar2 = CONFIG_SYS_CS2_BASE; + fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; + fbcs->csmr2 = CONFIG_SYS_CS2_MASK; #endif -#if (defined(CFG_CS3_BASE) && defined(CFG_CS3_MASK) && defined(CFG_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 = CFG_CS3_BASE; - fbcs->cscr3 = CFG_CS3_CTRL; - fbcs->csmr3 = CFG_CS3_MASK; + fbcs->csar3 = CONFIG_SYS_CS3_BASE; + fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; + fbcs->csmr3 = CONFIG_SYS_CS3_MASK; #endif -#if (defined(CFG_CS4_BASE) && defined(CFG_CS4_MASK) && defined(CFG_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 = CFG_CS4_BASE; - fbcs->cscr4 = CFG_CS4_CTRL; - fbcs->csmr4 = CFG_CS4_MASK; + fbcs->csar4 = CONFIG_SYS_CS4_BASE; + fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; + fbcs->csmr4 = CONFIG_SYS_CS4_MASK; #endif -#if (defined(CFG_CS5_BASE) && defined(CFG_CS5_MASK) && defined(CFG_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 = CFG_CS5_BASE; - fbcs->cscr5 = CFG_CS5_CTRL; - fbcs->csmr5 = CFG_CS5_MASK; + fbcs->csar5 = CONFIG_SYS_CS5_BASE; + fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; + fbcs->csmr5 = CONFIG_SYS_CS5_MASK; #endif #ifdef CONFIG_FSL_I2C @@ -125,7 +303,7 @@ void uart_port_conf(void) volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; /* Setup Ports: */ - switch (CFG_UART_PORT) { + switch (CONFIG_SYS_UART_PORT) { case 0: gpio->par_uart = (GPIO_PAR_UART_TXD0 | GPIO_PAR_UART_RXD0); break; @@ -139,3 +317,22 @@ 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->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 +#endif /* CONFIG_MCF532x */ diff --git a/cpu/mcf532x/interrupts.c b/cpu/mcf532x/interrupts.c index ff50d7ddfb..d6c8205454 100644 --- a/cpu/mcf532x/interrupts.c +++ b/cpu/mcf532x/interrupts.c @@ -28,7 +28,7 @@ int interrupt_init(void) { - volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE); + volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); /* Make sure all interrupts are disabled */ intp->imrh0 |= 0xFFFFFFFF; @@ -41,9 +41,9 @@ int interrupt_init(void) #if defined(CONFIG_MCFTMR) void dtimer_intr_setup(void) { - volatile int0_t *intp = (int0_t *) (CFG_INTR_BASE); + volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); - intp->icr0[CFG_TMRINTR_NO] = CFG_TMRINTR_PRI; - intp->imrh0 &= ~CFG_TMRINTR_MASK; + intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI; + intp->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK; } #endif diff --git a/cpu/mcf532x/speed.c b/cpu/mcf532x/speed.c index a11e425cab..0d378e63d4 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 = CFG_SDRAM_BASE; + *sdram_workaround = CONFIG_SYS_SDRAM_BASE; +#endif /* wait for DQS logic to relock */ for (i = 0; i < 0x200; i++) ; @@ -205,12 +258,10 @@ 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(CFG_CLK / 1000, 0) * 1000; + gd->bus_clk = clock_pll(CONFIG_SYS_CLK / 1000, 0) * 1000; gd->cpu_clk = (gd->bus_clk * 3); #ifdef CONFIG_FSL_I2C diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S index c806f7a96e..a46c47adca 100644 --- a/cpu/mcf532x/start.S +++ b/cpu/mcf532x/start.S @@ -2,6 +2,9 @@ * Copyright (C) 2003 Josef Baumgartner <josef.baumgartner@telex.de> * Based on code from Bernhard Kuhn <bkuhn@metrowerks.com> * + * (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. * @@ -22,6 +25,7 @@ */ #include <config.h> +#include <timestamp.h> #include "version.h" #ifndef CONFIG_IDENT_STRING @@ -127,10 +131,10 @@ _start: move.w #0x2700,%sr /* Mask off Interrupt */ /* Set vector base register at the beginning of the Flash */ - move.l #CFG_FLASH_BASE, %d0 + move.l #CONFIG_SYS_FLASH_BASE, %d0 movec %d0, %VBR - move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_RAM_CTRL), %d0 + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 movec %d0, %RAMBAR1 /* invalidate and disable cache */ @@ -140,16 +144,24 @@ _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 #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a2 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a2 move.l %d0, (%a1) move.l %d0, (%a2) /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ - move.l #(CFG_INIT_RAM_ADDR + CFG_INIT_SP_OFFSET), %sp + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp clr.l %sp@- move.l #__got_start, %a5 /* put relocation table address to a5 */ @@ -180,7 +192,7 @@ relocate_code: move.l 12(%a6), %d0 /* Save copy of Global Data pointer */ move.l 16(%a6), %a0 /* Save copy of Destination Address */ - move.l #CFG_MONITOR_BASE, %a1 + move.l #CONFIG_SYS_MONITOR_BASE, %a1 move.l #__init_end, %a2 move.l %a0, %a3 @@ -195,7 +207,7 @@ relocate_code: * initialization, now running from RAM. */ move.l %a0, %a1 - add.l #(in_ram - CFG_MONITOR_BASE), %a1 + add.l #(in_ram - CONFIG_SYS_MONITOR_BASE), %a1 jmp (%a1) in_ram: @@ -205,9 +217,9 @@ clear_bss: * Now clear BSS segment */ move.l %a0, %a1 - add.l #(_sbss - CFG_MONITOR_BASE),%a1 + add.l #(_sbss - CONFIG_SYS_MONITOR_BASE),%a1 move.l %a0, %d1 - add.l #(_ebss - CFG_MONITOR_BASE),%d1 + add.l #(_ebss - CONFIG_SYS_MONITOR_BASE),%d1 6: clr.l (%a1)+ cmp.l %a1,%d1 @@ -217,11 +229,11 @@ clear_bss: * fix got table in RAM */ move.l %a0, %a1 - add.l #(__got_start - CFG_MONITOR_BASE),%a1 + add.l #(__got_start - CONFIG_SYS_MONITOR_BASE),%a1 move.l %a1,%a5 /* * fix got pointer register a5 */ move.l %a0, %a2 - add.l #(__got_end - CFG_MONITOR_BASE),%a2 + add.l #(__got_end - CONFIG_SYS_MONITOR_BASE),%a2 7: move.l (%a1),%d1 @@ -233,7 +245,7 @@ clear_bss: /* calculate relative jump to board_init_r in ram */ move.l %a0, %a1 - add.l #(board_init_r - CFG_MONITOR_BASE), %a1 + add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1 /* set parameters for board_init_r */ move.l %a0,-(%sp) /* dest_addr */ @@ -268,14 +280,14 @@ _int_handler: icache_enable: move.l #0x01000000, %d0 /* Invalidate cache cmd */ movec %d0, %CACR /* Invalidate cache */ - move.l #(CFG_SDRAM_BASE + 0x1c000), %d0 + move.l #(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0 movec %d0, %ACR0 /* Enable cache */ move.l #0x80000200, %d0 /* Setup cache mask */ movec %d0, %CACR /* Enable cache */ nop - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 moveq #1, %d0 move.l %d0, (%a1) rts @@ -288,14 +300,14 @@ icache_disable: movec %d0, %ACR0 movec %d0, %ACR1 - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 moveq #0, %d0 move.l %d0, (%a1) rts .globl icache_status icache_status: - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 move.l (%a1), %d0 rts @@ -307,7 +319,7 @@ icache_invalid: .globl dcache_enable dcache_enable: - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1 moveq #1, %d0 move.l %d0, (%a1) rts @@ -315,14 +327,14 @@ dcache_enable: /* No dcache, just a dummy function */ .globl dcache_disable dcache_disable: - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1 moveq #0, %d0 move.l %d0, (%a1) rts .globl dcache_status dcache_status: - move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-4), %a1 + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-4), %a1 move.l (%a1), %d0 rts @@ -331,6 +343,6 @@ dcache_status: .globl version_string version_string: .ascii U_BOOT_VERSION - .ascii " (", __DATE__, " - ", __TIME__, ")" + .ascii " (", U_BOOT_DATE, " - ", U_BOOT_TIME, ")" .ascii CONFIG_IDENT_STRING, "\0" .align 4 |