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-rw-r--r--board/freescale/p1010rdb/law.c2
-rw-r--r--board/freescale/p1010rdb/p1010rdb.c119
-rw-r--r--board/freescale/p1010rdb/tlb.c4
3 files changed, 105 insertions, 20 deletions
diff --git a/board/freescale/p1010rdb/law.c b/board/freescale/p1010rdb/law.c
index 004512725..ed41a056c 100644
--- a/board/freescale/p1010rdb/law.c
+++ b/board/freescale/p1010rdb/law.c
@@ -9,11 +9,9 @@
#include <asm/mmu.h>
struct law_entry law_table[] = {
-#ifndef CONFIG_SDCARD
SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_32M, LAW_TRGT_IF_IFC),
SET_LAW(CONFIG_SYS_CPLD_BASE_PHYS, LAW_SIZE_128K, LAW_TRGT_IF_IFC),
SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_IFC),
-#endif
};
int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/p1010rdb/p1010rdb.c b/board/freescale/p1010rdb/p1010rdb.c
index 42153e6dc..ae8ba45e6 100644
--- a/board/freescale/p1010rdb/p1010rdb.c
+++ b/board/freescale/p1010rdb/p1010rdb.c
@@ -21,10 +21,8 @@
#include <asm/fsl_serdes.h>
#include <asm/fsl_ifc.h>
#include <asm/fsl_pci.h>
-
-#ifndef CONFIG_SDCARD
#include <hwconfig.h>
-#endif
+#include <i2c.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -33,8 +31,17 @@ DECLARE_GLOBAL_DATA_PTR;
#define MUX_CPLD_TDM 0x01
#define MUX_CPLD_SPICS0_FLASH 0x00
#define MUX_CPLD_SPICS0_SLIC 0x02
+#define PMUXCR1_IFC_MASK 0x00ffff00
+#define PMUXCR1_SDHC_MASK 0x00fff000
+#define PMUXCR1_SDHC_ENABLE 0x00555000
+
+enum {
+ MUX_TYPE_IFC,
+ MUX_TYPE_SDHC,
+};
+
+static uint sd_ifc_mux;
-#ifndef CONFIG_SDCARD
struct cpld_data {
u8 cpld_ver; /* cpld revision */
u8 pcba_ver; /* pcb revision number */
@@ -52,17 +59,14 @@ struct cpld_data {
u8 por2; /* POR Options */
u8 por3; /* POR Options */
};
-#endif
int board_early_init_f(void)
{
ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
-#ifndef CONFIG_SDCARD
struct fsl_ifc *ifc = (void *)CONFIG_SYS_IFC_ADDR;
/* Clock configuration to access CPLD using IFC(GPCM) */
setbits_be32(&ifc->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);
-#endif
/*
* Reset PCIe slots via GPIO4
*/
@@ -74,7 +78,6 @@ int board_early_init_f(void)
int board_early_init_r(void)
{
-#ifndef CONFIG_SDCARD
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
@@ -98,7 +101,6 @@ int board_early_init_r(void)
CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, flash_esel+1, BOOKE_PAGESZ_16M, 1);
-#endif
return 0;
}
@@ -109,6 +111,38 @@ void pci_init_board(void)
}
#endif /* ifdef CONFIG_PCI */
+int config_board_mux(int ctrl_type)
+{
+ ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u8 tmp;
+
+ switch (ctrl_type) {
+ case MUX_TYPE_IFC:
+ i2c_set_bus_num(I2C_PCA9557_BUS_NUM);
+ tmp = 0xf0;
+ i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1);
+ tmp = 0x01;
+ i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1);
+ sd_ifc_mux = MUX_TYPE_IFC;
+ clrbits_be32(&gur->pmuxcr, PMUXCR1_IFC_MASK);
+ break;
+ case MUX_TYPE_SDHC:
+ i2c_set_bus_num(I2C_PCA9557_BUS_NUM);
+ tmp = 0xf0;
+ i2c_write(I2C_PCA9557_ADDR1, 3, 1, &tmp, 1);
+ tmp = 0x05;
+ i2c_write(I2C_PCA9557_ADDR1, 1, 1, &tmp, 1);
+ sd_ifc_mux = MUX_TYPE_SDHC;
+ clrsetbits_be32(&gur->pmuxcr, PMUXCR1_SDHC_MASK,
+ PMUXCR1_SDHC_ENABLE);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
int checkboard(void)
{
struct cpu_type *cpu;
@@ -116,6 +150,11 @@ int checkboard(void)
cpu = gd->arch.cpu;
printf("Board: %sRDB\n", cpu->name);
+#ifdef CONFIG_SDCARD
+ /* switch to IFC to read info from CPLD */
+ config_board_mux(MUX_TYPE_IFC);
+#endif
+
return 0;
}
@@ -211,6 +250,16 @@ void fdt_del_sdhc(void *blob)
}
}
+void fdt_del_ifc(void *blob)
+{
+ int nodeoff = 0;
+
+ while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
+ "fsl,ifc")) >= 0) {
+ fdt_del_node(blob, nodeoff);
+ }
+}
+
void fdt_disable_uart1(void *blob)
{
int nodeoff;
@@ -254,9 +303,13 @@ void ft_board_setup(void *blob, bd_t *bd)
fdt_del_flexcan(blob);
fdt_del_node_and_alias(blob, "ethernet2");
}
-#ifndef CONFIG_SDCARD
- /* disable sdhc due to sdhc bug */
- fdt_del_sdhc(blob);
+
+ /* Delete IFC node as IFC pins are multiplexing with SDHC */
+ if (sd_ifc_mux != MUX_TYPE_IFC)
+ fdt_del_ifc(blob);
+ else
+ fdt_del_sdhc(blob);
+
if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
fdt_del_tdm(blob);
fdt_del_spi_slic(blob);
@@ -274,11 +327,25 @@ void ft_board_setup(void *blob, bd_t *bd)
fdt_del_flexcan(blob);
fdt_disable_uart1(blob);
}
+}
#endif
+
+#ifdef CONFIG_SDCARD
+int board_mmc_init(bd_t *bis)
+{
+ config_board_mux(MUX_TYPE_SDHC);
+ return -1;
+}
+#else
+void board_reset(void)
+{
+ /* mux to IFC to enable CPLD for reset */
+ if (sd_ifc_mux != MUX_TYPE_IFC)
+ config_board_mux(MUX_TYPE_IFC);
}
#endif
-#ifndef CONFIG_SDCARD
+
int misc_init_r(void)
{
struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
@@ -304,6 +371,30 @@ int misc_init_r(void)
out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH);
}
+ if (hwconfig("esdhc"))
+ config_board_mux(MUX_TYPE_SDHC);
+ else if (hwconfig("ifc"))
+ config_board_mux(MUX_TYPE_IFC);
+
return 0;
}
-#endif
+
+static int pin_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ if (strcmp(argv[1], "ifc") == 0)
+ config_board_mux(MUX_TYPE_IFC);
+ else if (strcmp(argv[1], "sdhc") == 0)
+ config_board_mux(MUX_TYPE_SDHC);
+ else
+ return CMD_RET_USAGE;
+ return 0;
+}
+
+U_BOOT_CMD(
+ mux, 2, 0, pin_mux_cmd,
+ "configure multiplexing pin for IFC/SDHC bus in runtime",
+ "bus_type (e.g. mux sdhc)"
+);
diff --git a/board/freescale/p1010rdb/tlb.c b/board/freescale/p1010rdb/tlb.c
index 77a80435a..a7af0f675 100644
--- a/board/freescale/p1010rdb/tlb.c
+++ b/board/freescale/p1010rdb/tlb.c
@@ -42,7 +42,6 @@ struct fsl_e_tlb_entry tlb_table[] = {
0, 1, BOOKE_PAGESZ_1M, 1),
#ifndef CONFIG_SPL_BUILD
-#ifndef CONFIG_SDCARD
SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
0, 2, BOOKE_PAGESZ_16M, 1),
@@ -51,7 +50,6 @@ struct fsl_e_tlb_entry tlb_table[] = {
CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
0, 3, BOOKE_PAGESZ_16M, 1),
-#endif
#ifdef CONFIG_PCI
/* *I*G* - PCI */
@@ -66,7 +64,6 @@ struct fsl_e_tlb_entry tlb_table[] = {
#endif
#endif
-#ifndef CONFIG_SDCARD
/* *I*G - Board CPLD */
SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -75,7 +72,6 @@ struct fsl_e_tlb_entry tlb_table[] = {
SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 7, BOOKE_PAGESZ_1M, 1),
-#endif
#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 01:24:37 +0000