diff options
Diffstat (limited to 'target/linux/adm5120/files/arch/mips')
| -rw-r--r-- | target/linux/adm5120/files/arch/mips/adm5120/adm5120_info.c | 24 | ||||
| -rw-r--r-- | target/linux/adm5120/files/arch/mips/adm5120/memory.c | 55 |
2 files changed, 32 insertions, 47 deletions
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/adm5120_info.c b/target/linux/adm5120/files/arch/mips/adm5120/adm5120_info.c index e2ee5ca565..46d2c8ef45 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/adm5120_info.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/adm5120_info.c @@ -25,12 +25,13 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <asm/io.h> #include <asm/bootinfo.h> #include <asm/addrspace.h> -#include <asm/mach-adm5120/adm5120_info.h> -#include <asm/mach-adm5120/adm5120_defs.h> -#include <asm/mach-adm5120/adm5120_switch.h> +#include <adm5120_info.h> +#include <adm5120_defs.h> +#include <adm5120_switch.h> unsigned int adm5120_product_code; unsigned int adm5120_revision; @@ -38,9 +39,6 @@ unsigned int adm5120_package; unsigned int adm5120_nand_boot; unsigned long adm5120_speed; -#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) - /* * CPU settings detection */ @@ -54,21 +52,21 @@ void adm5120_ndelay(u32 ns) { u32 t; - SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT); - SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM)); + SW_WRITE_REG(TIMER, TIMER_PERIOD_DEFAULT); + SW_WRITE_REG(TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM)); t = (ns+640) / 640; t &= TIMER_PERIOD_MASK; - SWITCH_WRITE(SWITCH_REG_TIMER, t | TIMER_TE); + SW_WRITE_REG(TIMER, t | TIMER_TE); /* wait until the timer expires */ do { - t = SWITCH_READ(SWITCH_REG_TIMER_INT); + t = SW_READ_REG(TIMER_INT); } while ((t & TIMER_INT_TOS) == 0); /* leave the timer disabled */ - SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT); - SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM)); + SW_WRITE_REG(TIMER, TIMER_PERIOD_DEFAULT); + SW_WRITE_REG(TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM)); } void __init adm5120_soc_init(void) @@ -76,7 +74,7 @@ void __init adm5120_soc_init(void) u32 code; u32 clks; - code = SWITCH_READ(SWITCH_REG_CODE); + code = SW_READ_REG(CODE); adm5120_product_code = CODE_GET_PC(code); adm5120_revision = CODE_GET_REV(code); diff --git a/target/linux/adm5120/files/arch/mips/adm5120/memory.c b/target/linux/adm5120/files/arch/mips/adm5120/memory.c index 1bde6b02d5..3881e9f6ab 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/memory.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/memory.c @@ -25,19 +25,14 @@ #include <linux/types.h> #include <linux/kernel.h> +#include <asm/io.h> #include <asm/bootinfo.h> #include <asm/addrspace.h> -#include <asm/mach-adm5120/adm5120_info.h> -#include <asm/mach-adm5120/adm5120_defs.h> -#include <asm/mach-adm5120/adm5120_switch.h> -#include <asm/mach-adm5120/adm5120_mpmc.h> - -#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) - -#define MPMC_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r)) -#define MPMC_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v) +#include <adm5120_info.h> +#include <adm5120_defs.h> +#include <adm5120_switch.h> +#include <adm5120_mpmc.h> #if 1 # define mem_dbg(f, a...) printk("mem_detect: " f, ## a) @@ -45,19 +40,19 @@ # define mem_dbg(f, a...) #endif -#define MEM_WR_DELAY 10000 /* 0.01 usec */ - unsigned long adm5120_memsize; +#define MEM_READL(a) __raw_readl((void __iomem *)(a)) +#define MEM_WRITEL(a, v) __raw_writel((v), (void __iomem *)(a)) + static int __init mem_check_pattern(u8 *addr, unsigned long offs) { - volatile u32 *p1 = (volatile u32 *)addr; - volatile u32 *p2 = (volatile u32 *)(addr+offs); + u32 *p1 = (u32 *)addr; + u32 *p2 = (u32 *)(addr+offs); u32 t,u,v; - /* save original value */ - t = *p1; - u = *p2; + t = MEM_READL(p1); + u = MEM_READL(p2); if (t != u) return 0; @@ -68,15 +63,17 @@ static int __init mem_check_pattern(u8 *addr, unsigned long offs) mem_dbg("write 0x%08X to 0x%08lX\n", v, (unsigned long)p1); - *p1 = v; - mem_dbg("delay %d ns\n", MEM_WR_DELAY); - adm5120_ndelay(MEM_WR_DELAY); - u = *p2; + MEM_WRITEL(p1, v); + + /* flush write buffers */ + MPMC_WRITE_REG(CTRL, MPMC_READ_REG(CTRL) | MPMC_CTRL_DWB); + + u = MEM_READL(p2); mem_dbg("pattern at 0x%08lX is 0x%08X\n", (unsigned long)p2, u); /* restore original value */ - *p1 = t; + MEM_WRITEL(p1, t); return (v == u); } @@ -87,7 +84,7 @@ static void __init adm5120_detect_memsize(void) u32 size, maxsize; u8 *p; - memctrl = SWITCH_READ(SWITCH_REG_MEMCTRL); + memctrl = SW_READ_REG(MEMCTRL); switch (memctrl & MEMCTRL_SDRS_MASK) { case MEMCTRL_SDRS_4M: maxsize = 4 << 20; @@ -103,11 +100,6 @@ static void __init adm5120_detect_memsize(void) break; } - /* disable buffers for both SDRAM banks */ - mem_dbg("disable buffers for both banks\n"); - MPMC_WRITE(MPMC_REG_DC0, MPMC_READ(MPMC_REG_DC0) & ~DC_BE); - MPMC_WRITE(MPMC_REG_DC1, MPMC_READ(MPMC_REG_DC1) & ~DC_BE); - mem_dbg("checking for %uMB chip in 1st bank\n", maxsize >> 20); /* detect size of the 1st SDRAM bank */ @@ -159,15 +151,10 @@ static void __init adm5120_detect_memsize(void) memctrl |= MEMCTRL_SDRS_64M; break; } - SWITCH_WRITE(SWITCH_REG_MEMCTRL, memctrl); + SW_WRITE_REG(MEMCTRL, memctrl); } out: - /* reenable buffer for both SDRAM banks */ - mem_dbg("enable buffers for both banks\n"); - MPMC_WRITE(MPMC_REG_DC0, MPMC_READ(MPMC_REG_DC0) | DC_BE); - MPMC_WRITE(MPMC_REG_DC1, MPMC_READ(MPMC_REG_DC1) | DC_BE); - mem_dbg("%dx%uMB memory found\n", (adm5120_memsize == size) ? 1 : 2 , size >>20); } |