diff options
author | Wolfgang Denk <wd@denx.de> | 2011-12-01 23:58:11 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-12-01 23:58:11 +0100 |
commit | d51e6d6de2b7dcba43fadcae2c89f7346d8bc301 (patch) | |
tree | 49bedf2073e031a421c89644f62134bf9ee4f44b /arch/powerpc/cpu/mpc85xx/fdt.c | |
parent | 22e0f5a9ecab85f36a0fe69892d950c1ac212c91 (diff) | |
parent | 9839709ea3df89f6021034508f48b97cab33ebb8 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
* 'master' of git://git.denx.de/u-boot-mpc85xx:
mpc85xx: support for Freescale COM Express P2020
arch/powerpc/cpu/mpc8xxx/ddr/interactive.c: Fix GCC 4.6 build warning
mpc85xx: support board-specific reset function
powerpc/85xx: verify the localbus device tree address before booting the OS
mpc8xxx: update module_type values from JEDEC DDR3 SPD Specification
powerpc/p3060qds: Add board related support for P3060QDS platform
powerpc/85xx: clean up and document the QE/FMAN microcode macros
powerpc/85xx: always implement the work-around for Erratum SATA_A001
powerpc/85xx: CONFIG_FSL_SATA_V2 should be defined in config_mpc85xx.h
powerpc/85xx: Add workaround for erratum A-003474
powerpc/85xx: fixup flexcan device tree clock-frequency
powerpc/85xx: Add workaround for erratum CPU-A003999
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/fdt.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/fdt.c | 63 |
1 files changed, 52 insertions, 11 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index 9d31568412a..977770e99d1 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -466,7 +466,7 @@ void fdt_fixup_fman_firmware(void *blob) return; } - if (length > CONFIG_SYS_FMAN_FW_LENGTH) { + if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) { printf("Fman firmware at %p is too large (size=%u)\n", fmanfw, length); return; @@ -660,8 +660,19 @@ void ft_cpu_setup(void *blob, bd_t *bd) do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer", "timer-frequency", gd->bus_clk/2, 1); + /* + * clock-freq should change to clock-frequency and + * flexcan-v1.0 should change to p1010-flexcan respectively + * in the future. + */ do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0", - "clock_freq", gd->bus_clk, 1); + "clock_freq", gd->bus_clk/2, 1); + + do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0", + "clock-frequency", gd->bus_clk/2, 1); + + do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan", + "clock-frequency", gd->bus_clk/2, 1); fdt_fixup_usb(blob); } @@ -677,6 +688,12 @@ void ft_cpu_setup(void *blob, bd_t *bd) #define CCSR_VIRT_TO_PHYS(x) \ (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR)) +static void msg(const char *name, uint64_t uaddr, uint64_t daddr) +{ + printf("Warning: U-Boot configured %s at address %llx,\n" + "but the device tree has it at %llx\n", name, uaddr, daddr); +} + /* * Verify the device tree * @@ -692,33 +709,32 @@ void ft_cpu_setup(void *blob, bd_t *bd) */ int ft_verify_fdt(void *fdt) { - uint64_t ccsr = 0; + uint64_t addr = 0; int aliases; int off; /* First check the CCSR base address */ off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4); if (off > 0) - ccsr = fdt_get_base_address(fdt, off); + addr = fdt_get_base_address(fdt, off); - if (!ccsr) { + if (!addr) { printf("Warning: could not determine base CCSR address in " "device tree\n"); /* No point in checking anything else */ return 0; } - if (ccsr != CONFIG_SYS_CCSRBAR_PHYS) { - printf("Warning: U-Boot configured CCSR at address %llx,\n" - "but the device tree has it at %llx\n", - (uint64_t) CONFIG_SYS_CCSRBAR_PHYS, ccsr); + if (addr != CONFIG_SYS_CCSRBAR_PHYS) { + msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr); /* No point in checking anything else */ return 0; } /* - * Get the 'aliases' node. If there isn't one, then there's nothing - * left to do. + * Check some nodes via aliases. We assume that U-Boot and the device + * tree enumerate the devices equally. E.g. the first serial port in + * U-Boot is the same as "serial0" in the device tree. */ aliases = fdt_path_offset(fdt, "/aliases"); if (aliases > 0) { @@ -735,5 +751,30 @@ int ft_verify_fdt(void *fdt) #endif } + /* + * The localbus node is typically a root node, even though the lbc + * controller is part of CCSR. If we were to put the lbc node under + * the SOC node, then the 'ranges' property in the lbc node would + * translate through the 'ranges' property of the parent SOC node, and + * we don't want that. Since it's a separate node, it's possible for + * the 'reg' property to be wrong, so check it here. For now, we + * only check for "fsl,elbc" nodes. + */ +#ifdef CONFIG_SYS_LBC_ADDR + off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc"); + if (off > 0) { + const u32 *reg = fdt_getprop(fdt, off, "reg", NULL); + if (reg) { + uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR); + + addr = fdt_translate_address(fdt, off, reg); + if (uaddr != addr) { + msg("the localbus", uaddr, addr); + return 0; + } + } + } +#endif + return 1; } |