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-rw-r--r--arch/powerpc/cpu/mpc8xxx/Makefile17
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c10
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/util.c14
-rw-r--r--arch/powerpc/cpu/mpc8xxx/fdt.c6
-rw-r--r--arch/powerpc/cpu/mpc8xxx/law.c334
5 files changed, 359 insertions, 22 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/Makefile b/arch/powerpc/cpu/mpc8xxx/Makefile
index 4ae26e4210..3dc8e055b6 100644
--- a/arch/powerpc/cpu/mpc8xxx/Makefile
+++ b/arch/powerpc/cpu/mpc8xxx/Makefile
@@ -10,6 +10,20 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib8xxx.o
+MINIMAL=
+
+ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_SPL_INIT_MINIMAL
+MINIMAL=y
+endif
+endif
+
+ifdef MINIMAL
+
+COBJS-$(CONFIG_FSL_LAW) += law.o
+
+else
+
ifneq ($(CPU),mpc83xx)
COBJS-y += cpu.o
endif
@@ -18,6 +32,9 @@ COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
COBJS-$(CONFIG_FSL_IFC) += fsl_ifc.o
COBJS-$(CONFIG_FSL_LBC) += fsl_lbc.o
COBJS-$(CONFIG_SYS_SRIO) += srio.o
+COBJS-$(CONFIG_FSL_LAW) += law.o
+
+endif
SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 088cc0e855..8016bcdc22 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -18,15 +18,7 @@
#include "ddr.h"
-#ifdef CONFIG_MPC83xx
- #define _DDR_ADDR CONFIG_SYS_MPC83xx_DDR_ADDR
-#elif defined(CONFIG_MPC85xx)
- #define _DDR_ADDR CONFIG_SYS_MPC85xx_DDR_ADDR
-#elif defined(CONFIG_MPC86xx)
- #define _DDR_ADDR CONFIG_SYS_MPC86xx_DDR_ADDR
-#else
- #error "Undefined _DDR_ADDR"
-#endif
+#define _DDR_ADDR CONFIG_SYS_MPC8xxx_DDR_ADDR
static u32 fsl_ddr_get_version(void)
{
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/util.c b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
index 940ffff773..acfe1f095f 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/util.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
@@ -133,14 +133,8 @@ u32 fsl_ddr_get_intl3r(void)
void board_add_ram_info(int use_default)
{
-#if defined(CONFIG_MPC83xx)
- immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- ccsr_ddr_t *ddr = (void *)&immap->ddr;
-#elif defined(CONFIG_MPC85xx)
- ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
-#elif defined(CONFIG_MPC86xx)
- ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC86xx_DDR_ADDR);
-#endif
+ ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC8xxx_DDR_ADDR);
+
#if defined(CONFIG_E6500) && (CONFIG_NUM_DDR_CONTROLLERS == 3)
u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004);
#endif
@@ -152,13 +146,13 @@ void board_add_ram_info(int use_default)
#if CONFIG_NUM_DDR_CONTROLLERS >= 2
if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) {
- ddr = (void __iomem *)CONFIG_SYS_MPC85xx_DDR2_ADDR;
+ ddr = (void __iomem *)CONFIG_SYS_MPC8xxx_DDR2_ADDR;
sdram_cfg = in_be32(&ddr->sdram_cfg);
}
#endif
#if CONFIG_NUM_DDR_CONTROLLERS >= 3
if (!(sdram_cfg & SDRAM_CFG_MEM_EN)) {
- ddr = (void __iomem *)CONFIG_SYS_MPC85xx_DDR3_ADDR;
+ ddr = (void __iomem *)CONFIG_SYS_MPC8xxx_DDR3_ADDR;
sdram_cfg = in_be32(&ddr->sdram_cfg);
}
#endif
diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c
index 68db8e2448..1986fea030 100644
--- a/arch/powerpc/cpu/mpc8xxx/fdt.c
+++ b/arch/powerpc/cpu/mpc8xxx/fdt.c
@@ -217,7 +217,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
void fdt_fixup_crypto_node(void *blob, int sec_rev)
{
- const struct sec_rev_prop {
+ static const struct sec_rev_prop {
u32 sec_rev;
u32 num_channels;
u32 channel_fifo_len;
@@ -232,8 +232,8 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev)
{ 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")];
+ static char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
+ sizeof("fsl,secX.Y")];
int crypto_node, sec_idx, err;
char *p;
u32 val;
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c
new file mode 100644
index 0000000000..ce1d71e307
--- /dev/null
+++ b/arch/powerpc/cpu/mpc8xxx/law.c
@@ -0,0 +1,334 @@
+/*
+ * Copyright 2008-2011 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 <linux/compiler.h>
+#include <asm/fsl_law.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FSL_HW_NUM_LAWS CONFIG_SYS_FSL_NUM_LAWS
+
+#ifdef CONFIG_FSL_CORENET
+#define LAW_BASE (CONFIG_SYS_FSL_CORENET_CCM_ADDR)
+#define LAWAR_ADDR(x) (&((ccsr_local_t *)LAW_BASE)->law[x].lawar)
+#define LAWBARH_ADDR(x) (&((ccsr_local_t *)LAW_BASE)->law[x].lawbarh)
+#define LAWBARL_ADDR(x) (&((ccsr_local_t *)LAW_BASE)->law[x].lawbarl)
+#define LAWBAR_SHIFT 0
+#else
+#define LAW_BASE (CONFIG_SYS_IMMR + 0xc08)
+#define LAWAR_ADDR(x) ((u32 *)LAW_BASE + 8 * x + 2)
+#define LAWBAR_ADDR(x) ((u32 *)LAW_BASE + 8 * x)
+#define LAWBAR_SHIFT 12
+#endif
+
+
+static inline phys_addr_t get_law_base_addr(int idx)
+{
+#ifdef CONFIG_FSL_CORENET
+ return (phys_addr_t)
+ ((u64)in_be32(LAWBARH_ADDR(idx)) << 32) |
+ in_be32(LAWBARL_ADDR(idx));
+#else
+ return (phys_addr_t)in_be32(LAWBAR_ADDR(idx)) << LAWBAR_SHIFT;
+#endif
+}
+
+static inline void set_law_base_addr(int idx, phys_addr_t addr)
+{
+#ifdef CONFIG_FSL_CORENET
+ out_be32(LAWBARL_ADDR(idx), addr & 0xffffffff);
+ out_be32(LAWBARH_ADDR(idx), (u64)addr >> 32);
+#else
+ out_be32(LAWBAR_ADDR(idx), addr >> LAWBAR_SHIFT);
+#endif
+}
+
+void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
+{
+ gd->used_laws |= (1 << idx);
+
+ out_be32(LAWAR_ADDR(idx), 0);
+ set_law_base_addr(idx, addr);
+ out_be32(LAWAR_ADDR(idx), LAW_EN | ((u32)id << 20) | (u32)sz);
+
+ /* Read back so that we sync the writes */
+ in_be32(LAWAR_ADDR(idx));
+}
+
+void disable_law(u8 idx)
+{
+ gd->used_laws &= ~(1 << idx);
+
+ out_be32(LAWAR_ADDR(idx), 0);
+ set_law_base_addr(idx, 0);
+
+ /* Read back so that we sync the writes */
+ in_be32(LAWAR_ADDR(idx));
+
+ return;
+}
+
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD)
+static int get_law_entry(u8 i, struct law_entry *e)
+{
+ u32 lawar;
+
+ lawar = in_be32(LAWAR_ADDR(i));
+
+ if (!(lawar & LAW_EN))
+ return 0;
+
+ e->addr = get_law_base_addr(i);
+ e->size = lawar & 0x3f;
+ e->trgt_id = (lawar >> 20) & 0xff;
+
+ return 1;
+}
+#endif
+
+int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
+{
+ u32 idx = ffz(gd->used_laws);
+
+ if (idx >= FSL_HW_NUM_LAWS)
+ return -1;
+
+ set_law(idx, addr, sz, id);
+
+ return idx;
+}
+
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD)
+int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
+{
+ u32 idx;
+
+ /* we have no LAWs free */
+ if (gd->used_laws == -1)
+ return -1;
+
+ /* grab the last free law */
+ idx = __ilog2(~(gd->used_laws));
+
+ if (idx >= FSL_HW_NUM_LAWS)
+ return -1;
+
+ set_law(idx, addr, sz, id);
+
+ return idx;
+}
+
+struct law_entry find_law(phys_addr_t addr)
+{
+ struct law_entry entry;
+ int i;
+
+ entry.index = -1;
+ entry.addr = 0;
+ entry.size = 0;
+ entry.trgt_id = 0;
+
+ for (i = 0; i < FSL_HW_NUM_LAWS; i++) {
+ u64 upper;
+
+ if (!get_law_entry(i, &entry))
+ continue;
+
+ upper = entry.addr + (2ull << entry.size);
+ if ((addr >= entry.addr) && (addr < upper)) {
+ entry.index = i;
+ break;
+ }
+ }
+
+ return entry;
+}
+
+void print_laws(void)
+{
+ int i;
+ u32 lawar;
+
+ printf("\nLocal Access Window Configuration\n");
+ for (i = 0; i < FSL_HW_NUM_LAWS; i++) {
+ lawar = in_be32(LAWAR_ADDR(i));
+#ifdef CONFIG_FSL_CORENET
+ printf("LAWBARH%02d: 0x%08x LAWBARL%02d: 0x%08x",
+ i, in_be32(LAWBARH_ADDR(i)),
+ i, in_be32(LAWBARL_ADDR(i)));
+#else
+ printf("LAWBAR%02d: 0x%08x", i, in_be32(LAWBAR_ADDR(i)));
+#endif
+ printf(" LAWAR%02d: 0x%08x\n", i, lawar);
+ printf("\t(EN: %d TGT: 0x%02x SIZE: ",
+ (lawar & LAW_EN) ? 1 : 0, (lawar >> 20) & 0xff);
+ print_size(lawar_size(lawar), ")\n");
+ }
+
+ return;
+}
+
+/* use up to 2 LAWs for DDR, used the last available LAWs */
+int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id)
+{
+ u64 start_align, law_sz;
+ int law_sz_enc;
+
+ if (start == 0)
+ start_align = 1ull << (LAW_SIZE_32G + 1);
+ else
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+
+ if (set_last_law(start, law_sz_enc, id) < 0)
+ return -1;
+
+ /* recalculate size based on what was actually covered by the law */
+ law_sz = 1ull << __ilog2_u64(law_sz);
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz) {
+ start += law_sz;
+
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+
+ if (set_last_law(start, law_sz_enc, id) < 0)
+ return -1;
+ } else {
+ return 0;
+ }
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz)
+ return 1;
+
+ return 0;
+}
+#endif /* not SPL */
+
+void init_laws(void)
+{
+ int i;
+
+#if FSL_HW_NUM_LAWS < 32
+ gd->used_laws = ~((1 << FSL_HW_NUM_LAWS) - 1);
+#elif FSL_HW_NUM_LAWS == 32
+ gd->used_laws = 0;
+#else
+#error FSL_HW_NUM_LAWS can not be greater than 32 w/o code changes
+#endif
+
+ /*
+ * Any LAWs that were set up before we booted assume they are meant to
+ * be around and mark them used.
+ */
+ for (i = 0; i < FSL_HW_NUM_LAWS; i++) {
+ u32 lawar = in_be32(LAWAR_ADDR(i));
+
+ if (lawar & LAW_EN)
+ gd->used_laws |= (1 << i);
+ }
+
+#if (defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)) || \
+ (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
+ /*
+ * in SPL boot we've already parsed the law_table and setup those LAWs
+ * so don't do it again.
+ */
+ return;
+#endif
+
+ for (i = 0; i < num_law_entries; i++) {
+ if (law_table[i].index == -1)
+ set_next_law(law_table[i].addr, law_table[i].size,
+ law_table[i].trgt_id);
+ else
+ set_law(law_table[i].index, law_table[i].addr,
+ law_table[i].size, law_table[i].trgt_id);
+ }
+
+#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
+ /* check RCW to get which port is used for boot */
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ u32 bootloc = in_be32(&gur->rcwsr[6]);
+ /*
+ * in SRIO or PCIE boot we need to set specail LAWs for
+ * SRIO or PCIE interfaces.
+ */
+ switch ((bootloc & FSL_CORENET_RCWSR6_BOOT_LOC) >> 23) {
+ case 0x0: /* boot from PCIE1 */
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_1);
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_1);
+ break;
+ case 0x1: /* boot from PCIE2 */
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_2);
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_2);
+ break;
+ case 0x2: /* boot from PCIE3 */
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_3);
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_PCIE_3);
+ break;
+ case 0x8: /* boot from SRIO1 */
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_RIO_1);
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_RIO_1);
+ break;
+ case 0x9: /* boot from SRIO2 */
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_RIO_2);
+ set_next_law(CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+ LAW_SIZE_1M,
+ LAW_TRGT_IF_RIO_2);
+ break;
+ default:
+ break;
+ }
+#endif
+
+ return ;
+}
generated by cgit (git 2.34.1) at 2025-02-04 23:26:24 +0000