diff options
Diffstat (limited to 'arch/arm/mach-mvebu')
| -rw-r--r-- | arch/arm/mach-mvebu/cpu.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/cpu.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/include/mach/soc.h | 22 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/mbus.c | 2 |
4 files changed, 40 insertions, 2 deletions
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c index fa82067..38e15aa 100644 --- a/arch/arm/mach-mvebu/cpu.c +++ b/arch/arm/mach-mvebu/cpu.c @@ -241,6 +241,16 @@ int arch_cpu_init(void) */ mvebu_mbus_probe(windows, ARRAY_SIZE(windows)); + if (mvebu_soc_family() == MVEBU_SOC_AXP) { + /* Enable GBE0, GBE1, LCD and NFC PUP */ + clrsetbits_le32(ARMADA_XP_PUP_ENABLE, 0, + GE0_PUP_EN | GE1_PUP_EN | LCD_PUP_EN | + NAND_PUP_EN | SPI_PUP_EN); + } + + /* Enable NAND and NAND arbiter */ + clrsetbits_le32(MVEBU_SOC_DEV_MUX_REG, 0, NAND_EN | NAND_ARBITER_EN); + /* Disable MBUS error propagation */ clrsetbits_le32(SOC_COHERENCY_FABRIC_CTRL_REG, MBUS_ERR_PROP_EN, 0); @@ -248,6 +258,13 @@ int arch_cpu_init(void) } #endif /* CONFIG_ARCH_CPU_INIT */ +u32 mvebu_get_nand_clock(void) +{ + return CONFIG_SYS_MVEBU_PLL_CLOCK / + ((readl(MVEBU_CORE_DIV_CLK_CTRL(1)) & + NAND_ECC_DIVCKL_RATIO_MASK) >> NAND_ECC_DIVCKL_RATIO_OFFS); +} + /* * SOC specific misc init */ diff --git a/arch/arm/mach-mvebu/include/mach/cpu.h b/arch/arm/mach-mvebu/include/mach/cpu.h index 674fdaa..6fa4173 100644 --- a/arch/arm/mach-mvebu/include/mach/cpu.h +++ b/arch/arm/mach-mvebu/include/mach/cpu.h @@ -117,6 +117,7 @@ unsigned int mvebu_sdram_bs(enum memory_bank bank); void mvebu_sdram_size_adjust(enum memory_bank bank); int mvebu_mbus_probe(struct mbus_win windows[], int count); int mvebu_soc_family(void); +u32 mvebu_get_nand_clock(void); int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks); diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h index a29e5dc..6115d6e 100644 --- a/arch/arm/mach-mvebu/include/mach/soc.h +++ b/arch/arm/mach-mvebu/include/mach/soc.h @@ -11,6 +11,8 @@ #ifndef _MVEBU_SOC_H #define _MVEBU_SOC_H +#define BIT(x) (1 << (x)) + #define SOC_MV78460_ID 0x7846 #define SOC_88F6810_ID 0x6810 #define SOC_88F6820_ID 0x6820 @@ -25,6 +27,9 @@ #define CONFIG_SYS_TCLK 250000000 /* 250MHz */ #endif +/* Armada XP PLL frequency (used for NAND clock generation) */ +#define CONFIG_SYS_MVEBU_PLL_CLOCK 2000000000 + /* SOC specific definations */ #define INTREG_BASE 0xd0000000 #define INTREG_BASE_ADDR_REG (INTREG_BASE + 0x20080) @@ -53,6 +58,7 @@ #define MVEBU_GPIO1_BASE (MVEBU_REGISTER(0x18140)) #define MVEBU_GPIO2_BASE (MVEBU_REGISTER(0x18180)) #define MVEBU_SYSTEM_REG_BASE (MVEBU_REGISTER(0x18200)) +#define MVEBU_CLOCK_BASE (MVEBU_REGISTER(0x18700)) #define MVEBU_CPU_WIN_BASE (MVEBU_REGISTER(0x20000)) #define MVEBU_SDRAM_BASE (MVEBU_REGISTER(0x20180)) #define MVEBU_TIMER_BASE (MVEBU_REGISTER(0x20300)) @@ -64,6 +70,7 @@ #define MVEBU_EGIGA1_BASE (MVEBU_REGISTER(0x74000)) #define MVEBU_AXP_SATA_BASE (MVEBU_REGISTER(0xa0000)) #define MVEBU_SATA0_BASE (MVEBU_REGISTER(0xa8000)) +#define MVEBU_NAND_BASE (MVEBU_REGISTER(0xd0000)) #define MVEBU_SDIO_BASE (MVEBU_REGISTER(0xd8000)) #define SOC_COHERENCY_FABRIC_CTRL_REG (MVEBU_REGISTER(0x20200)) @@ -72,6 +79,21 @@ #define MBUS_BRIDGE_WIN_CTRL_REG (MVEBU_REGISTER(0x20250)) #define MBUS_BRIDGE_WIN_BASE_REG (MVEBU_REGISTER(0x20254)) +#define MVEBU_SOC_DEV_MUX_REG (MVEBU_SYSTEM_REG_BASE + 0x08) +#define NAND_EN BIT(0) +#define NAND_ARBITER_EN BIT(27) + +#define ARMADA_XP_PUP_ENABLE (MVEBU_SYSTEM_REG_BASE + 0x44c) +#define GE0_PUP_EN BIT(0) +#define GE1_PUP_EN BIT(1) +#define LCD_PUP_EN BIT(2) +#define NAND_PUP_EN BIT(4) +#define SPI_PUP_EN BIT(5) + +#define MVEBU_CORE_DIV_CLK_CTRL(i) (MVEBU_CLOCK_BASE + ((i) * 0x8)) +#define NAND_ECC_DIVCKL_RATIO_OFFS 8 +#define NAND_ECC_DIVCKL_RATIO_MASK (0x3F << NAND_ECC_DIVCKL_RATIO_OFFS) + #define SDRAM_MAX_CS 4 #define SDRAM_ADDR_MASK 0xFF000000 diff --git a/arch/arm/mach-mvebu/mbus.c b/arch/arm/mach-mvebu/mbus.c index 71fa693..771cce6 100644 --- a/arch/arm/mach-mvebu/mbus.c +++ b/arch/arm/mach-mvebu/mbus.c @@ -55,8 +55,6 @@ #include <linux/compat.h> #include <linux/mbus.h> -#define BIT(nr) (1UL << (nr)) - /* DDR target is the same on all platforms */ #define TARGET_DDR 0 |