diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/fdt.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fdt.c | 133 |
1 files changed, 132 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index ccefaf571..79d3cdfa6 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -1,5 +1,5 @@ /* - * Copyright 2009 Freescale Semiconductor, Inc. + * Copyright 2009-2010 Freescale Semiconductor, Inc. * * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains @@ -27,6 +27,7 @@ #include <libfdt.h> #include <fdt_support.h> +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) void ft_fixup_num_cores(void *blob) { int off, num_cores, del_cores; @@ -53,3 +54,133 @@ void ft_fixup_num_cores(void *blob) { debug ("deleted %d extra core entry entries from device tree\n", del_cores); } +#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */ + +#ifdef CONFIG_HAS_FSL_DR_USB +void fdt_fixup_dr_usb(void *blob, bd_t *bd) +{ + char *mode; + char *type; + const char *compat = "fsl-usb2-dr"; + const char *prop_mode = "dr_mode"; + const char *prop_type = "phy_type"; + int node_offset; + int err; + + mode = getenv("usb_dr_mode"); + type = getenv("usb_phy_type"); + if (!mode && !type) + return; + + node_offset = fdt_node_offset_by_compatible(blob, 0, compat); + if (node_offset < 0) { + printf("WARNING: could not find compatible node %s: %s.\n", + compat, fdt_strerror(node_offset)); + return; + } + + if (mode) { + err = fdt_setprop(blob, node_offset, prop_mode, mode, + strlen(mode) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_mode, compat, fdt_strerror(err)); + } + + if (type) { + err = fdt_setprop(blob, node_offset, prop_type, type, + strlen(type) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop_type, compat, fdt_strerror(err)); + } +} +#endif /* CONFIG_HAS_FSL_DR_USB */ + +#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) +/* + * update crypto node properties to a specified revision of the SEC + * called with sec_rev == 0 if not on an mpc8xxxE processor + */ +void fdt_fixup_crypto_node(void *blob, int sec_rev) +{ + const struct sec_rev_prop { + u32 sec_rev; + u32 num_channels; + u32 channel_fifo_len; + u32 exec_units_mask; + u32 descriptor_types_mask; + } sec_rev_prop_list [] = { + { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */ + { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */ + { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */ + { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */ + { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */ + { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */ + { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */ + }; + char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) * + sizeof("fsl,secX.Y")]; + int crypto_node, sec_idx, err; + char *p; + u32 val; + + /* locate crypto node based on lowest common compatible */ + crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0"); + if (crypto_node == -FDT_ERR_NOTFOUND) + return; + + /* delete it if not on an E-processor */ + if (crypto_node > 0 && !sec_rev) { + fdt_del_node(blob, crypto_node); + return; + } + + /* else we got called for possible uprev */ + for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++) + if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev) + break; + + if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) { + puts("warning: unknown SEC revision number\n"); + return; + } + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels); + err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask); + err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask); + err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len); + err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = 0; + while (sec_idx >= 0) { + p = compat_strlist + val; + val += sprintf(p, "fsl,sec%d.%d", + (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8, + sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1; + sec_idx--; + } + err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); +} +#endif /* defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) */ |