diff options
Diffstat (limited to 'arch/powerpc/cpu')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/fdt.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/Kconfig | 6 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/cpu.c | 36 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/cpu_init.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/immap.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/interrupts.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/reginfo.c | 71 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/speed.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/start.S | 27 |
10 files changed, 61 insertions, 121 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index e1fee11540c..3bdaa5fe7bf 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -8,6 +8,7 @@ */ #include <common.h> +#include <environment.h> #include <linux/libfdt.h> #include <fdt_support.h> #include <asm/processor.h> diff --git a/arch/powerpc/cpu/mpc8xx/Kconfig b/arch/powerpc/cpu/mpc8xx/Kconfig index 5a7db335ed2..b0e90a0f203 100644 --- a/arch/powerpc/cpu/mpc8xx/Kconfig +++ b/arch/powerpc/cpu/mpc8xx/Kconfig @@ -1,5 +1,5 @@ menu "mpc8xx CPU" - depends on 8xx + depends on MPC8xx config SYS_CPU default "mpc8xx" @@ -25,6 +25,10 @@ config MPC885 endchoice +config MPC8xx_WATCHDOG + bool "Watchdog" + select HW_WATCHDOG + config 8xx_GCLK_FREQ int "CPU GCLK Frequency" diff --git a/arch/powerpc/cpu/mpc8xx/Makefile b/arch/powerpc/cpu/mpc8xx/Makefile index 40f38923ece..35ff18a7b3b 100644 --- a/arch/powerpc/cpu/mpc8xx/Makefile +++ b/arch/powerpc/cpu/mpc8xx/Makefile @@ -12,6 +12,5 @@ obj-y += cpu_init.o obj-$(CONFIG_OF_LIBFDT) += fdt.o obj-$(CONFIG_CMD_IMMAP) += immap.o obj-y += interrupts.o -obj-$(CONFIG_CMD_REGINFO) += reginfo.o obj-y += speed.o obj-y += cache.o diff --git a/arch/powerpc/cpu/mpc8xx/cpu.c b/arch/powerpc/cpu/mpc8xx/cpu.c index 1120fd7441c..d17ad846949 100644 --- a/arch/powerpc/cpu/mpc8xx/cpu.c +++ b/arch/powerpc/cpu/mpc8xx/cpu.c @@ -21,9 +21,9 @@ #include <watchdog.h> #include <command.h> #include <mpc8xx.h> -#include <commproc.h> #include <netdev.h> #include <asm/cache.h> +#include <asm/cpm_8xx.h> #include <linux/compiler.h> #include <asm/io.h> @@ -36,13 +36,13 @@ DECLARE_GLOBAL_DATA_PTR; static int check_CPU(long clock, uint pvr, uint immr) { - immap_t __iomem *immap = (immap_t __iomem *)(immr & 0xFFFF0000); + immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; uint k; char buf[32]; /* the highest 16 bits should be 0x0050 for a 860 */ - if ((pvr >> 16) != 0x0050) + if (PVR_VER(pvr) != PVR_VER(PVR_8xx)) return -1; k = (immr << 16) | @@ -90,7 +90,7 @@ static int check_CPU(long clock, uint pvr, uint immr) int checkcpu(void) { ulong clock = gd->cpu_clk; - uint immr = get_immr(0); /* Return full IMMR contents */ + uint immr = get_immr(); /* Return full IMMR contents */ uint pvr = get_pvr(); puts("CPU: "); @@ -237,8 +237,7 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) */ unsigned long get_tbclk(void) { - uint immr = get_immr(0); /* Return full IMMR contents */ - immap_t __iomem *immap = (immap_t __iomem *)(immr & 0xFFFF0000); + immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; ulong oscclk, factor, pll; if (in_be32(&immap->im_clkrst.car_sccr) & SCCR_TBS) @@ -271,31 +270,6 @@ unsigned long get_tbclk(void) return oscclk / 16; } -/* ------------------------------------------------------------------------- */ - -#if defined(CONFIG_WATCHDOG) -void watchdog_reset(void) -{ - int re_enable = disable_interrupts(); - - reset_8xx_watchdog((immap_t __iomem *)CONFIG_SYS_IMMR); - if (re_enable) - enable_interrupts(); -} -#endif /* CONFIG_WATCHDOG */ - -#if defined(CONFIG_WATCHDOG) - -void reset_8xx_watchdog(immap_t __iomem *immr) -{ - /* - * All other boards use the MPC8xx Internal Watchdog - */ - out_be16(&immr->im_siu_conf.sc_swsr, 0x556c); /* write magic1 */ - out_be16(&immr->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */ -} -#endif /* CONFIG_WATCHDOG */ - /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() diff --git a/arch/powerpc/cpu/mpc8xx/cpu_init.c b/arch/powerpc/cpu/mpc8xx/cpu_init.c index dc601a12976..99e8c85e7a3 100644 --- a/arch/powerpc/cpu/mpc8xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc8xx/cpu_init.c @@ -9,7 +9,7 @@ #include <watchdog.h> #include <mpc8xx.h> -#include <commproc.h> +#include <asm/cpm_8xx.h> #include <asm/io.h> /* @@ -26,11 +26,12 @@ void cpu_init_f(immap_t __iomem *immr) /* SYPCR - contains watchdog control (11-9) */ - out_be32(&immr->im_siu_conf.sc_sypcr, CONFIG_SYS_SYPCR); +#ifndef CONFIG_HW_WATCHDOG + /* deactivate watchdog if not enabled in config */ + out_be32(&immr->im_siu_conf.sc_sypcr, CONFIG_SYS_SYPCR & ~SYPCR_SWE); +#endif -#if defined(CONFIG_WATCHDOG) - reset_8xx_watchdog(immr); -#endif /* CONFIG_WATCHDOG */ + WATCHDOG_RESET(); /* SIUMCR - contains debug pin configuration (11-6) */ setbits_be32(&immr->im_siu_conf.sc_siumcr, CONFIG_SYS_SIUMCR); diff --git a/arch/powerpc/cpu/mpc8xx/immap.c b/arch/powerpc/cpu/mpc8xx/immap.c index 2284979dd65..8e732555baf 100644 --- a/arch/powerpc/cpu/mpc8xx/immap.c +++ b/arch/powerpc/cpu/mpc8xx/immap.c @@ -12,8 +12,8 @@ #include <common.h> #include <command.h> -#include <asm/8xx_immap.h> -#include <commproc.h> +#include <asm/immap_8xx.h> +#include <asm/cpm_8xx.h> #include <asm/iopin_8xx.h> #include <asm/io.h> @@ -342,6 +342,26 @@ static int do_brginfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } +#ifdef CONFIG_CMD_REGINFO +void print_reginfo(void) +{ + immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; + sit8xx_t __iomem *timers = &immap->im_sit; + + printf("\nSystem Configuration registers\n" + "\tIMMR\t0x%08X\n", get_immr()); + do_siuinfo(NULL, 0, 0, NULL); + + printf("Memory Controller Registers\n"); + do_memcinfo(NULL, 0, 0, NULL); + + printf("\nSystem Integration Timers\n"); + printf("\tTBSCR\t0x%04X\tRTCSC\t0x%04X\n", + in_be16(&timers->sit_tbscr), in_be16(&timers->sit_rtcsc)); + printf("\tPISCR\t0x%04X\n", in_be16(&timers->sit_piscr)); +} +#endif + /***************************************************/ U_BOOT_CMD( diff --git a/arch/powerpc/cpu/mpc8xx/interrupts.c b/arch/powerpc/cpu/mpc8xx/interrupts.c index 846148ab986..20f9664f060 100644 --- a/arch/powerpc/cpu/mpc8xx/interrupts.c +++ b/arch/powerpc/cpu/mpc8xx/interrupts.c @@ -8,9 +8,9 @@ #include <common.h> #include <mpc8xx.h> #include <mpc8xx_irq.h> +#include <asm/cpm_8xx.h> #include <asm/processor.h> #include <asm/io.h> -#include <commproc.h> /************************************************************************/ diff --git a/arch/powerpc/cpu/mpc8xx/reginfo.c b/arch/powerpc/cpu/mpc8xx/reginfo.c deleted file mode 100644 index 277d2753b25..00000000000 --- a/arch/powerpc/cpu/mpc8xx/reginfo.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * (C) Copyright 2000 - * Subodh Nijsure, SkyStream Networks, snijsure@skystream.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc8xx.h> -#include <asm/io.h> -#include <asm/ppc.h> - -void print_reginfo(void) -{ - immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; - memctl8xx_t __iomem *memctl = &immap->im_memctl; - sysconf8xx_t __iomem *sysconf = &immap->im_siu_conf; - sit8xx_t __iomem *timers = &immap->im_sit; - - /* Hopefully more PowerPC knowledgable people will add code to display - * other useful registers - */ - - printf("\nSystem Configuration registers\n" - "\tIMMR\t0x%08X\n", get_immr(0)); - - printf("\tSIUMCR\t0x%08X", in_be32(&sysconf->sc_siumcr)); - printf("\tSYPCR\t0x%08X\n", in_be32(&sysconf->sc_sypcr)); - - printf("\tSWT\t0x%08X", in_be32(&sysconf->sc_swt)); - printf("\tSWSR\t0x%04X\n", in_be16(&sysconf->sc_swsr)); - - printf("\tSIPEND\t0x%08X\tSIMASK\t0x%08X\n", - in_be32(&sysconf->sc_sipend), in_be32(&sysconf->sc_simask)); - printf("\tSIEL\t0x%08X\tSIVEC\t0x%08X\n", - in_be32(&sysconf->sc_siel), in_be32(&sysconf->sc_sivec)); - printf("\tTESR\t0x%08X\tSDCR\t0x%08X\n", - in_be32(&sysconf->sc_tesr), in_be32(&sysconf->sc_sdcr)); - - printf("Memory Controller Registers\n"); - printf("\tBR0\t0x%08X\tOR0\t0x%08X\n", in_be32(&memctl->memc_br0), - in_be32(&memctl->memc_or0)); - printf("\tBR1\t0x%08X\tOR1\t0x%08X\n", in_be32(&memctl->memc_br1), - in_be32(&memctl->memc_or1)); - printf("\tBR2\t0x%08X\tOR2\t0x%08X\n", in_be32(&memctl->memc_br2), - in_be32(&memctl->memc_or2)); - printf("\tBR3\t0x%08X\tOR3\t0x%08X\n", in_be32(&memctl->memc_br3), - in_be32(&memctl->memc_or3)); - printf("\tBR4\t0x%08X\tOR4\t0x%08X\n", in_be32(&memctl->memc_br4), - in_be32(&memctl->memc_or4)); - printf("\tBR5\t0x%08X\tOR5\t0x%08X\n", in_be32(&memctl->memc_br5), - in_be32(&memctl->memc_or5)); - printf("\tBR6\t0x%08X\tOR6\t0x%08X\n", in_be32(&memctl->memc_br6), - in_be32(&memctl->memc_or6)); - printf("\tBR7\t0x%08X\tOR7\t0x%08X\n", in_be32(&memctl->memc_br7), - in_be32(&memctl->memc_or7)); - printf("\n\tmamr\t0x%08X\tmbmr\t0x%08X\n", in_be32(&memctl->memc_mamr), - in_be32(&memctl->memc_mbmr)); - printf("\tmstat\t0x%04X\tmptpr\t0x%04X\n", in_be16(&memctl->memc_mstat), - in_be16(&memctl->memc_mptpr)); - printf("\tmdr\t0x%08X\n", in_be32(&memctl->memc_mdr)); - - printf("\nSystem Integration Timers\n"); - printf("\tTBSCR\t0x%04X\tRTCSC\t0x%04X\n", - in_be16(&timers->sit_tbscr), in_be16(&timers->sit_rtcsc)); - printf("\tPISCR\t0x%04X\n", in_be16(&timers->sit_piscr)); - - /* - * May be some CPM info here? - */ -} diff --git a/arch/powerpc/cpu/mpc8xx/speed.c b/arch/powerpc/cpu/mpc8xx/speed.c index fa8f87cbc5e..f8eb4a13eaf 100644 --- a/arch/powerpc/cpu/mpc8xx/speed.c +++ b/arch/powerpc/cpu/mpc8xx/speed.c @@ -17,8 +17,7 @@ DECLARE_GLOBAL_DATA_PTR; */ int get_clocks(void) { - uint immr = get_immr(0); /* Return full IMMR contents */ - immap_t __iomem *immap = (immap_t __iomem *)(immr & 0xFFFF0000); + immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR; uint sccr = in_be32(&immap->im_clkrst.car_sccr); uint divider = 1 << (((sccr & SCCR_DFBRG11) >> 11) * 2); diff --git a/arch/powerpc/cpu/mpc8xx/start.S b/arch/powerpc/cpu/mpc8xx/start.S index 202ea81ae49..62ac80b03b9 100644 --- a/arch/powerpc/cpu/mpc8xx/start.S +++ b/arch/powerpc/cpu/mpc8xx/start.S @@ -130,12 +130,6 @@ in_flash: /* initialize some SPRs that are hard to access from C */ /*----------------------------------------------------------------------*/ - lis r3, CONFIG_SYS_IMMR@h /* pass IMMR as arg1 to C routine */ - ori r1, r3, CONFIG_SYS_INIT_SP_OFFSET /* set up the stack in internal DPRAM */ - /* Note: R0 is still 0 here */ - stwu r0, -4(r1) /* clear final stack frame so that */ - stwu r0, -4(r1) /* stack backtraces terminate cleanly */ - /* * Disable serialized ifetch and show cycles * (i.e. set processor to normal mode). @@ -151,6 +145,25 @@ in_flash: ori r2, r2, CONFIG_SYS_DER@l mtspr DER, r2 + /* set up the stack in internal DPRAM */ + lis r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h + ori r3, r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l + addi r1, r3, -8 + + bl board_init_f_alloc_reserve + addi r1, r3, -8 + + /* Zeroise the CPM dpram */ + lis r4, CONFIG_SYS_IMMR@h + ori r4, r4, (0x2000 - 4) + li r0, (0x2000 / 4) + mtctr r0 + li r0, 0 +1: stwu r0, 4(r4) + bdnz 1b + + bl board_init_f_init_reserve + /* let the C-code set up the rest */ /* */ /* Be careful to keep code relocatable ! */ @@ -158,7 +171,7 @@ in_flash: GET_GOT /* initialize GOT access */ - /* r3: IMMR */ + lis r3, CONFIG_SYS_IMMR@h bl cpu_init_f /* run low-level CPU init code (from Flash) */ bl board_init_f /* run 1st part of board init code (from Flash) */ |