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-rw-r--r--arch/powerpc/cpu/mpc85xx/cpu_init.c29
-rw-r--r--arch/powerpc/cpu/mpc85xx/fdt.c26
-rw-r--r--arch/powerpc/cpu/mpc85xx/t1040_ids.c1
-rw-r--r--arch/powerpc/include/asm/fsl_law.h1
-rw-r--r--arch/powerpc/include/asm/fsl_liodn.h4
-rw-r--r--arch/powerpc/include/asm/immap_85xx.h4
-rw-r--r--include/configs/T1040QDS.h6
-rw-r--r--include/configs/T104xRDB.h6
8 files changed, 76 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index d6cf88555a..78316a6815 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -225,6 +225,32 @@ static void disable_cpc_sram(void)
}
#endif
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+#ifdef CONFIG_POST
+#error POST memory test cannot be enabled with TDM
+#endif
+static void enable_tdm_law(void)
+{
+ int ret;
+ char buffer[HWCONFIG_BUFFER_SIZE] = {0};
+ int tdm_hwconfig_enabled = 0;
+
+ /*
+ * Extract hwconfig from environment since environment
+ * is not setup properly yet. Search for tdm entry in
+ * hwconfig.
+ */
+ ret = getenv_f("hwconfig", buffer, sizeof(buffer));
+ if (ret > 0) {
+ tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
+ /* If tdm is defined in hwconfig, set law for tdm workaround */
+ if (tdm_hwconfig_enabled)
+ set_next_law(T1040_TDM_QUIRK_CCSR_BASE, LAW_SIZE_16M,
+ LAW_TRGT_IF_CCSR);
+ }
+}
+#endif
+
static void enable_cpc(void)
{
int i;
@@ -729,6 +755,9 @@ skip_l2:
disable_cpc_sram();
#endif
enable_cpc();
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+ enable_tdm_law();
+#endif
#ifndef CONFIG_SYS_FSL_NO_SERDES
/* needs to be in ram since code uses global static vars */
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index ed80a84180..85dfa5bc01 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -14,6 +14,7 @@
#include <linux/ctype.h>
#include <asm/io.h>
#include <asm/fsl_portals.h>
+#include <hwconfig.h>
#ifdef CONFIG_FSL_ESDHC
#include <fsl_esdhc.h>
#endif
@@ -35,6 +36,11 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
u32 bootpg = determine_mp_bootpg(NULL);
u32 id = get_my_id();
const char *enable_method;
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+ int ret;
+ int tdm_hwconfig_enabled = 0;
+ char buffer[HWCONFIG_BUFFER_SIZE] = {0};
+#endif
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
@@ -77,6 +83,26 @@ void ft_fixup_cpu(void *blob, u64 memory_limit)
"device_type", "cpu", 4);
}
+#if defined(T1040_TDM_QUIRK_CCSR_BASE)
+#define CONFIG_MEM_HOLE_16M 0x1000000
+ /*
+ * Extract hwconfig from environment.
+ * Search for tdm entry in hwconfig.
+ */
+ ret = getenv_f("hwconfig", buffer, sizeof(buffer));
+ if (ret > 0)
+ tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
+
+ /* Reserve the memory hole created by TDM LAW, so OSes dont use it */
+ if (tdm_hwconfig_enabled) {
+ off = fdt_add_mem_rsv(blob, T1040_TDM_QUIRK_CCSR_BASE,
+ CONFIG_MEM_HOLE_16M);
+ if (off < 0)
+ printf("Failed to reserve memory for tdm: %s\n",
+ fdt_strerror(off));
+ }
+#endif
+
/* Reserve the boot page so OSes dont use it */
if ((u64)bootpg < memory_limit) {
off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
diff --git a/arch/powerpc/cpu/mpc85xx/t1040_ids.c b/arch/powerpc/cpu/mpc85xx/t1040_ids.c
index 1034cd4852..a5dfb81781 100644
--- a/arch/powerpc/cpu/mpc85xx/t1040_ids.c
+++ b/arch/powerpc/cpu/mpc85xx/t1040_ids.c
@@ -47,6 +47,7 @@ struct liodn_id_table liodn_tbl[] = {
/* SET_NEXUS_LIODN(557), -- not yet implemented */
SET_QE_LIODN(559),
+ SET_TDM_LIODN(560),
};
int liodn_tbl_sz = ARRAY_SIZE(liodn_tbl);
diff --git a/arch/powerpc/include/asm/fsl_law.h b/arch/powerpc/include/asm/fsl_law.h
index 37d3a22461..3b504875e0 100644
--- a/arch/powerpc/include/asm/fsl_law.h
+++ b/arch/powerpc/include/asm/fsl_law.h
@@ -68,6 +68,7 @@ enum law_trgt_if {
LAW_TRGT_IF_DDR_INTLV_1234 = 0x16,
LAW_TRGT_IF_BMAN = 0x18,
LAW_TRGT_IF_DCSR = 0x1d,
+ LAW_TRGT_IF_CCSR = 0x1e,
LAW_TRGT_IF_LBC = 0x1f,
LAW_TRGT_IF_QMAN = 0x3c,
diff --git a/arch/powerpc/include/asm/fsl_liodn.h b/arch/powerpc/include/asm/fsl_liodn.h
index f658bcbc66..adfbb66e77 100644
--- a/arch/powerpc/include/asm/fsl_liodn.h
+++ b/arch/powerpc/include/asm/fsl_liodn.h
@@ -103,6 +103,10 @@ extern void fdt_fixup_liodn(void *blob);
SET_GUTS_LIODN("fsl,qe", liodn, qeliodnr,\
CONFIG_SYS_MPC85xx_QE_OFFSET)
+#define SET_TDM_LIODN(liodn) \
+ SET_GUTS_LIODN("fsl,tdm1.0", liodn, tdmliodnr,\
+ CONFIG_SYS_MPC85xx_TDM_OFFSET)
+
#define SET_QMAN_LIODN(liodn) \
SET_LIODN_ENTRY_1("fsl,qman", liodn, offsetof(ccsr_qman_t, liodnr) + \
CONFIG_SYS_FSL_QMAN_OFFSET, \
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index fe1dcc27d6..8258ab3805 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1899,7 +1899,8 @@ defined(CONFIG_PPC_T1020) || defined(CONFIG_PPC_T1022)
u32 sata2liodnr; /* SATA 2 LIODN */
u32 sata3liodnr; /* SATA 3 LIODN */
u32 sata4liodnr; /* SATA 4 LIODN */
- u8 res22[24];
+ u8 res22[20];
+ u32 tdmliodnr; /* TDM LIODN */
u32 qeliodnr; /* QE LIODN */
u8 res_57c[4];
u32 dma1liodnr; /* DMA 1 LIODN */
@@ -2915,6 +2916,7 @@ struct ccsr_sfp_regs {
#define CONFIG_SYS_MPC85xx_LBC_OFFSET 0x124000
#define CONFIG_SYS_MPC85xx_IFC_OFFSET 0x124000
#define CONFIG_SYS_MPC85xx_GPIO_OFFSET 0x130000
+#define CONFIG_SYS_MPC85xx_TDM_OFFSET 0x185000
#define CONFIG_SYS_MPC85xx_QE_OFFSET 0x140000
#define CONFIG_SYS_FSL_CORENET_RMAN_OFFSET 0x1e0000
#if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && !defined(CONFIG_PPC_B4860)\
diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h
index 2215ac86ab..f2a75aed43 100644
--- a/include/configs/T1040QDS.h
+++ b/include/configs/T1040QDS.h
@@ -201,6 +201,12 @@ unsigned long get_board_ddr_clk(void);
CSPR_MSEL_NOR | \
CSPR_V)
#define CONFIG_SYS_NOR_AMASK IFC_AMASK(128*1024*1024)
+
+/*
+ * TDM Definition
+ */
+#define T1040_TDM_QUIRK_CCSR_BASE 0xfe000000
+
/* NOR Flash Timing Params */
#define CONFIG_SYS_NOR_CSOR CSOR_NAND_TRHZ_80
#define CONFIG_SYS_NOR_FTIM0 (FTIM0_NOR_TACSE(0x4) | \
diff --git a/include/configs/T104xRDB.h b/include/configs/T104xRDB.h
index e564cb7f53..8d6c51bb37 100644
--- a/include/configs/T104xRDB.h
+++ b/include/configs/T104xRDB.h
@@ -230,6 +230,12 @@
CSPR_MSEL_NOR | \
CSPR_V)
#define CONFIG_SYS_NOR_AMASK IFC_AMASK(128*1024*1024)
+
+/*
+ * TDM Definition
+ */
+#define T1040_TDM_QUIRK_CCSR_BASE 0xfe000000
+
/* NOR Flash Timing Params */
#define CONFIG_SYS_NOR_CSOR CSOR_NAND_TRHZ_80
#define CONFIG_SYS_NOR_FTIM0 (FTIM0_NOR_TACSE(0x4) | \
generated by cgit (git 2.34.1) at 2024-12-23 19:20:08 +0000