blob: 2628cc5f95023e49b05163dcdb6c0ebc19082028 [file] [log] [blame]
/*
* Copyright 2007-2010 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>
#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);
#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();
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) {
if (*reg == id) {
fdt_setprop_string(blob, off, "status", "okay");
} else {
u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
val = cpu_to_fdt32(val);
fdt_setprop_string(blob, off, "status",
"disabled");
fdt_setprop_string(blob, off, "enable-method",
"spin-table");
fdt_setprop(blob, off, "cpu-release-addr",
&val, sizeof(val));
}
} 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
#define ft_fixup_l3cache(x, y)
#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 *alias, unsigned long freq)
{
const char *path = fdt_get_alias(blob, alias);
int off = fdt_path_offset(blob, path);
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", alias, fdt_strerror(off));
}
}
static void ft_fixup_dpaa_clks(void *blob)
{
sys_info_t sysinfo;
get_sys_info(&sysinfo);
ft_fixup_clks(blob, "fman0", sysinfo.freqFMan[0]);
#if (CONFIG_SYS_NUM_FMAN == 2)
ft_fixup_clks(blob, "fman1", sysinfo.freqFMan[1]);
#endif
#ifdef CONFIG_SYS_DPAA_PME
ft_fixup_clks(blob, "pme", sysinfo.freqPME);
#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
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);
}