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Diffstat (limited to 'u-boot/arch/powerpc/cpu/mpc85xx/fdt.c')
-rw-r--r--u-boot/arch/powerpc/cpu/mpc85xx/fdt.c486
1 files changed, 486 insertions, 0 deletions
diff --git a/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c b/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c
new file mode 100644
index 0000000..00fa752
--- /dev/null
+++ b/u-boot/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -0,0 +1,486 @@
+/*
+ * Copyright 2007-2011 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <asm/processor.h>
+#include <linux/ctype.h>
+#include <asm/io.h>
+#include <asm/fsl_portals.h>
+#ifdef CONFIG_FSL_ESDHC
+#include <fsl_esdhc.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern void ft_qe_setup(void *blob);
+extern void ft_fixup_num_cores(void *blob);
+extern void ft_srio_setup(void *blob);
+
+#ifdef CONFIG_MP
+#include "mp.h"
+
+void ft_fixup_cpu(void *blob, u64 memory_limit)
+{
+ int off;
+ ulong spin_tbl_addr = get_spin_phys_addr();
+ u32 bootpg = determine_mp_bootpg();
+ u32 id = get_my_id();
+ const char *enable_method;
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+ while (off != -FDT_ERR_NOTFOUND) {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+
+ if (reg) {
+ u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
+ val = cpu_to_fdt32(val);
+ if (*reg == id) {
+ fdt_setprop_string(blob, off, "status",
+ "okay");
+ } else {
+ fdt_setprop_string(blob, off, "status",
+ "disabled");
+ }
+
+ if (hold_cores_in_reset(0)) {
+#ifdef CONFIG_FSL_CORENET
+ /* Cores held in reset, use BRR to release */
+ enable_method = "fsl,brr-holdoff";
+#else
+ /* Cores held in reset, use EEBPCR to release */
+ enable_method = "fsl,eebpcr-holdoff";
+#endif
+ } else {
+ /* Cores out of reset and in a spin-loop */
+ enable_method = "spin-table";
+
+ fdt_setprop(blob, off, "cpu-release-addr",
+ &val, sizeof(val));
+ }
+
+ fdt_setprop_string(blob, off, "enable-method",
+ enable_method);
+ } else {
+ printf ("cpu NULL\n");
+ }
+ off = fdt_node_offset_by_prop_value(blob, off,
+ "device_type", "cpu", 4);
+ }
+
+ /* Reserve the boot page so OSes dont use it */
+ if ((u64)bootpg < memory_limit) {
+ off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
+ if (off < 0)
+ printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
+ }
+}
+#endif
+
+#ifdef CONFIG_SYS_FSL_CPC
+static inline void ft_fixup_l3cache(void *blob, int off)
+{
+ u32 line_size, num_ways, size, num_sets;
+ cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
+ u32 cfg0 = in_be32(&cpc->cpccfg0);
+
+ size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
+ num_ways = CPC_CFG0_NUM_WAYS(cfg0);
+ line_size = CPC_CFG0_LINE_SZ(cfg0);
+ num_sets = size / (line_size * num_ways);
+
+ fdt_setprop(blob, off, "cache-unified", NULL, 0);
+ fdt_setprop_cell(blob, off, "cache-block-size", line_size);
+ fdt_setprop_cell(blob, off, "cache-size", size);
+ fdt_setprop_cell(blob, off, "cache-sets", num_sets);
+ fdt_setprop_cell(blob, off, "cache-level", 3);
+#ifdef CONFIG_SYS_CACHE_STASHING
+ fdt_setprop_cell(blob, off, "cache-stash-id", 1);
+#endif
+}
+#else
+#define ft_fixup_l3cache(x, y)
+#endif
+
+#if defined(CONFIG_L2_CACHE)
+/* return size in kilobytes */
+static inline u32 l2cache_size(void)
+{
+ volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
+ volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
+ u32 ver = SVR_SOC_VER(get_svr());
+
+ switch (l2siz_field) {
+ case 0x0:
+ break;
+ case 0x1:
+ if (ver == SVR_8540 || ver == SVR_8560 ||
+ ver == SVR_8541 || ver == SVR_8541_E ||
+ ver == SVR_8555 || ver == SVR_8555_E)
+ return 128;
+ else
+ return 256;
+ break;
+ case 0x2:
+ if (ver == SVR_8540 || ver == SVR_8560 ||
+ ver == SVR_8541 || ver == SVR_8541_E ||
+ ver == SVR_8555 || ver == SVR_8555_E)
+ return 256;
+ else
+ return 512;
+ break;
+ case 0x3:
+ return 1024;
+ break;
+ }
+
+ return 0;
+}
+
+static inline void ft_fixup_l2cache(void *blob)
+{
+ int len, off;
+ u32 *ph;
+ struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
+ char compat_buf[38];
+
+ const u32 line_size = 32;
+ const u32 num_ways = 8;
+ const u32 size = l2cache_size() * 1024;
+ const u32 num_sets = size / (line_size * num_ways);
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+ if (off < 0) {
+ debug("no cpu node fount\n");
+ return;
+ }
+
+ ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
+
+ if (ph == NULL) {
+ debug("no next-level-cache property\n");
+ return ;
+ }
+
+ off = fdt_node_offset_by_phandle(blob, *ph);
+ if (off < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(off));
+ return ;
+ }
+
+ if (cpu) {
+ if (isdigit(cpu->name[0]))
+ len = sprintf(compat_buf,
+ "fsl,mpc%s-l2-cache-controller", cpu->name);
+ else
+ len = sprintf(compat_buf,
+ "fsl,%c%s-l2-cache-controller",
+ tolower(cpu->name[0]), cpu->name + 1);
+
+ sprintf(&compat_buf[len + 1], "cache");
+ }
+ fdt_setprop(blob, off, "cache-unified", NULL, 0);
+ fdt_setprop_cell(blob, off, "cache-block-size", line_size);
+ fdt_setprop_cell(blob, off, "cache-size", size);
+ fdt_setprop_cell(blob, off, "cache-sets", num_sets);
+ fdt_setprop_cell(blob, off, "cache-level", 2);
+ fdt_setprop(blob, off, "compatible", compat_buf, sizeof(compat_buf));
+
+ /* we dont bother w/L3 since no platform of this type has one */
+}
+#elif defined(CONFIG_BACKSIDE_L2_CACHE)
+static inline void ft_fixup_l2cache(void *blob)
+{
+ int off, l2_off, l3_off = -1;
+ u32 *ph;
+ u32 l2cfg0 = mfspr(SPRN_L2CFG0);
+ u32 size, line_size, num_ways, num_sets;
+
+ size = (l2cfg0 & 0x3fff) * 64 * 1024;
+ num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
+ line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
+ num_sets = size / (line_size * num_ways);
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+
+ while (off != -FDT_ERR_NOTFOUND) {
+ ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
+
+ if (ph == NULL) {
+ debug("no next-level-cache property\n");
+ goto next;
+ }
+
+ l2_off = fdt_node_offset_by_phandle(blob, *ph);
+ if (l2_off < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(off));
+ goto next;
+ }
+
+#ifdef CONFIG_SYS_CACHE_STASHING
+ {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ if (reg)
+ fdt_setprop_cell(blob, l2_off, "cache-stash-id",
+ (*reg * 2) + 32 + 1);
+ }
+#endif
+
+ fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
+ fdt_setprop_cell(blob, l2_off, "cache-block-size", line_size);
+ fdt_setprop_cell(blob, l2_off, "cache-size", size);
+ fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
+ fdt_setprop_cell(blob, l2_off, "cache-level", 2);
+ fdt_setprop(blob, l2_off, "compatible", "cache", 6);
+
+ if (l3_off < 0) {
+ ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
+
+ if (ph == NULL) {
+ debug("no next-level-cache property\n");
+ goto next;
+ }
+ l3_off = *ph;
+ }
+next:
+ off = fdt_node_offset_by_prop_value(blob, off,
+ "device_type", "cpu", 4);
+ }
+ if (l3_off > 0) {
+ l3_off = fdt_node_offset_by_phandle(blob, l3_off);
+ if (l3_off < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(off));
+ return ;
+ }
+ ft_fixup_l3cache(blob, l3_off);
+ }
+}
+#else
+#define ft_fixup_l2cache(x)
+#endif
+
+static inline void ft_fixup_cache(void *blob)
+{
+ int off;
+
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+
+ while (off != -FDT_ERR_NOTFOUND) {
+ u32 l1cfg0 = mfspr(SPRN_L1CFG0);
+ u32 l1cfg1 = mfspr(SPRN_L1CFG1);
+ u32 isize, iline_size, inum_sets, inum_ways;
+ u32 dsize, dline_size, dnum_sets, dnum_ways;
+
+ /* d-side config */
+ dsize = (l1cfg0 & 0x7ff) * 1024;
+ dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
+ dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
+ dnum_sets = dsize / (dline_size * dnum_ways);
+
+ fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
+ fdt_setprop_cell(blob, off, "d-cache-size", dsize);
+ fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
+
+#ifdef CONFIG_SYS_CACHE_STASHING
+ {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ if (reg)
+ fdt_setprop_cell(blob, off, "cache-stash-id",
+ (*reg * 2) + 32 + 0);
+ }
+#endif
+
+ /* i-side config */
+ isize = (l1cfg1 & 0x7ff) * 1024;
+ inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
+ iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
+ inum_sets = isize / (iline_size * inum_ways);
+
+ fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
+ fdt_setprop_cell(blob, off, "i-cache-size", isize);
+ fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
+
+ off = fdt_node_offset_by_prop_value(blob, off,
+ "device_type", "cpu", 4);
+ }
+
+ ft_fixup_l2cache(blob);
+}
+
+
+void fdt_add_enet_stashing(void *fdt)
+{
+ do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
+
+ do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
+
+ do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
+}
+
+#if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
+static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
+ unsigned long freq)
+{
+ phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
+ int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
+
+ if (off >= 0) {
+ off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
+ if (off > 0)
+ printf("WARNING enable to set clock-frequency "
+ "for %s: %s\n", compat, fdt_strerror(off));
+ }
+}
+
+static void ft_fixup_dpaa_clks(void *blob)
+{
+ sys_info_t sysinfo;
+
+ get_sys_info(&sysinfo);
+ ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
+ sysinfo.freqFMan[0]);
+
+#if (CONFIG_SYS_NUM_FMAN == 2)
+ ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
+ sysinfo.freqFMan[1]);
+#endif
+
+#ifdef CONFIG_SYS_DPAA_PME
+ do_fixup_by_compat_u32(blob, "fsl,pme",
+ "clock-frequency", sysinfo.freqPME, 1);
+#endif
+}
+#else
+#define ft_fixup_dpaa_clks(x)
+#endif
+
+#ifdef CONFIG_QE
+static void ft_fixup_qe_snum(void *blob)
+{
+ unsigned int svr;
+
+ svr = mfspr(SPRN_SVR);
+ if (SVR_SOC_VER(svr) == SVR_8569_E) {
+ if(IS_SVR_REV(svr, 1, 0))
+ do_fixup_by_compat_u32(blob, "fsl,qe",
+ "fsl,qe-num-snums", 46, 1);
+ else
+ do_fixup_by_compat_u32(blob, "fsl,qe",
+ "fsl,qe-num-snums", 76, 1);
+ }
+}
+#endif
+
+void ft_cpu_setup(void *blob, bd_t *bd)
+{
+ int off;
+ int val;
+ sys_info_t sysinfo;
+
+ /* delete crypto node if not on an E-processor */
+ if (!IS_E_PROCESSOR(get_svr()))
+ fdt_fixup_crypto_node(blob, 0);
+
+ fdt_fixup_ethernet(blob);
+
+ fdt_add_enet_stashing(blob);
+
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "timebase-frequency", get_tbclk(), 1);
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "bus-frequency", bd->bi_busfreq, 1);
+ get_sys_info(&sysinfo);
+ off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
+ while (off != -FDT_ERR_NOTFOUND) {
+ u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
+ val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
+ fdt_setprop(blob, off, "clock-frequency", &val, 4);
+ off = fdt_node_offset_by_prop_value(blob, off, "device_type",
+ "cpu", 4);
+ }
+ do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
+ "bus-frequency", bd->bi_busfreq, 1);
+
+ do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
+ "bus-frequency", gd->lbc_clk, 1);
+ do_fixup_by_compat_u32(blob, "fsl,elbc",
+ "bus-frequency", gd->lbc_clk, 1);
+#ifdef CONFIG_QE
+ ft_qe_setup(blob);
+ ft_fixup_qe_snum(blob);
+#endif
+
+#ifdef CONFIG_SYS_NS16550
+ do_fixup_by_compat_u32(blob, "ns16550",
+ "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
+#endif
+
+#ifdef CONFIG_CPM2
+ do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
+ "current-speed", bd->bi_baudrate, 1);
+
+ do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
+ "clock-frequency", bd->bi_brgfreq, 1);
+#endif
+
+#ifdef CONFIG_FSL_CORENET
+ do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
+ "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
+#endif
+
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+#ifdef CONFIG_MP
+ ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
+ ft_fixup_num_cores(blob);
+#endif
+
+ ft_fixup_cache(blob);
+
+#if defined(CONFIG_FSL_ESDHC)
+ fdt_fixup_esdhc(blob, bd);
+#endif
+
+ ft_fixup_dpaa_clks(blob);
+
+#if defined(CONFIG_SYS_BMAN_MEM_PHYS)
+ fdt_portal(blob, "fsl,bman-portal", "bman-portals",
+ (u64)CONFIG_SYS_BMAN_MEM_PHYS,
+ CONFIG_SYS_BMAN_MEM_SIZE);
+#endif
+
+#if defined(CONFIG_SYS_QMAN_MEM_PHYS)
+ fdt_portal(blob, "fsl,qman-portal", "qman-portals",
+ (u64)CONFIG_SYS_QMAN_MEM_PHYS,
+ CONFIG_SYS_QMAN_MEM_SIZE);
+
+ fdt_fixup_qportals(blob);
+#endif
+
+#ifdef CONFIG_SYS_SRIO
+ ft_srio_setup(blob);
+#endif
+}
generated by cgit v1.1 at 2024-12-22 17:13:45 +0000