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--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -260,8 +260,10 @@ static unsigned int detect_memory_size(v
unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
u32 val;
- if (BCMCPU_IS_6345())
- return (8 * 1024 * 1024);
+ if (BCMCPU_IS_6345()) {
+ val = bcm_sdram_readl(SDRAM_MBASE_REG);
+ return (val * 8 * 1024 * 1024);
+ }
if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
val = bcm_sdram_readl(SDRAM_CFG_REG);
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -735,6 +735,8 @@
#define SDRAM_CFG_BANK_SHIFT 13
#define SDRAM_CFG_BANK_MASK (1 << SDRAM_CFG_BANK_SHIFT)
+#define SDRAM_MBASE_REG 0xc
+
#define SDRAM_PRIO_REG 0x2C
#define SDRAM_PRIO_MIPS_SHIFT 29
#define SDRAM_PRIO_MIPS_MASK (1 << SDRAM_PRIO_MIPS_SHIFT)
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -698,15 +698,9 @@ void __init board_prom_init(void)
char cfe_version[32];
u32 val;
- /* read base address of boot chip select (0)
- * 6345 does not have MPI but boots from standard
- * MIPS Flash address */
- if (BCMCPU_IS_6345())
- val = 0x1fc00000;
- else {
- val = bcm_mpi_readl(MPI_CSBASE_REG(0));
- val &= MPI_CSBASE_BASE_MASK;
- }
+ /* read base address of boot chip select (0) */
+ val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+ val &= MPI_CSBASE_BASE_MASK;
boot_addr = (u8 *)KSEG1ADDR(val);
/* dump cfe version */
@@ -881,12 +875,9 @@ int __init board_register_devices(void)
bcm63xx_dsp_register(&board.dsp);
/* read base address of boot chip select (0) */
- if (BCMCPU_IS_6345())
- val = 0x1fc00000;
- else {
- val = bcm_mpi_readl(MPI_CSBASE_REG(0));
- val &= MPI_CSBASE_BASE_MASK;
- }
+ val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+ val &= MPI_CSBASE_BASE_MASK;
+
mtd_resources[0].start = val;
mtd_resources[0].end = 0x1FFFFFFF;
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -163,7 +163,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_ENET0_BASE (0xfffe1800)
#define BCM_6345_ENETDMA_BASE (0xfffe2800)
#define BCM_6345_PCMCIA_BASE (0xfffe2028)
-#define BCM_6345_MPI_BASE (0xdeadbeef)
+#define BCM_6345_MPI_BASE (0xfffe2000)
#define BCM_6345_OHCI0_BASE (0xfffe2100)
#define BCM_6345_OHCI_PRIV_BASE (0xfffe2200)
#define BCM_6345_USBH_PRIV_BASE (0xdeadbeef)
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