diff options
Diffstat (limited to 'arch/arm/include/asm/arch-lpc32xx')
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/clk.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/cpu.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/emc.h | 21 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/mux.h | 18 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/sys_proto.h | 6 |
5 files changed, 50 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-lpc32xx/clk.h b/arch/arm/include/asm/arch-lpc32xx/clk.h index 2cb5703..9449869 100644 --- a/arch/arm/include/asm/arch-lpc32xx/clk.h +++ b/arch/arm/include/asm/arch-lpc32xx/clk.h @@ -71,6 +71,7 @@ struct clk_pm_regs { }; /* HCLK Divider Control Register bits */ +#define CLK_HCLK_DDRAM_MASK (0x3 << 7) #define CLK_HCLK_DDRAM_HALF (0x2 << 7) #define CLK_HCLK_DDRAM_NOMINAL (0x1 << 7) #define CLK_HCLK_DDRAM_STOPPED (0x0 << 7) @@ -158,11 +159,15 @@ struct clk_pm_regs { /* SSP Clock Control Register bits */ #define CLK_SSP0_ENABLE_CLOCK (1 << 0) +/* SDRAMCLK register bits */ +#define CLK_SDRAM_DDR_SEL (1 << 1) + unsigned int get_sys_clk_rate(void); unsigned int get_hclk_pll_rate(void); unsigned int get_hclk_clk_div(void); unsigned int get_hclk_clk_rate(void); unsigned int get_periph_clk_div(void); unsigned int get_periph_clk_rate(void); +unsigned int get_sdram_clk_rate(void); #endif /* _LPC32XX_CLK_H */ diff --git a/arch/arm/include/asm/arch-lpc32xx/cpu.h b/arch/arm/include/asm/arch-lpc32xx/cpu.h index 1067107..0b5dca1 100644 --- a/arch/arm/include/asm/arch-lpc32xx/cpu.h +++ b/arch/arm/include/asm/arch-lpc32xx/cpu.h @@ -27,6 +27,7 @@ #define HS_UART7_BASE 0x4001C000 /* High speed UART 7 registers base */ #define RTC_BASE 0x40024000 /* RTC registers base */ #define GPIO_BASE 0x40028000 /* GPIO registers base */ +#define MUX_BASE 0x40028100 /* MUX registers base */ #define WDT_BASE 0x4003C000 /* Watchdog timer registers base */ #define TIMER0_BASE 0x40044000 /* Timer0 registers base */ #define TIMER1_BASE 0x4004C000 /* Timer1 registers base */ diff --git a/arch/arm/include/asm/arch-lpc32xx/emc.h b/arch/arm/include/asm/arch-lpc32xx/emc.h index 82d9bcc..1a2bab2 100644 --- a/arch/arm/include/asm/arch-lpc32xx/emc.h +++ b/arch/arm/include/asm/arch-lpc32xx/emc.h @@ -76,4 +76,25 @@ struct emc_regs { #define EMC_STAT_WAITWR(n) (((n) - 2) & 0x1F) #define EMC_STAT_WAITTURN(n) (((n) - 1) & 0x0F) +/* EMC settings for DRAM */ +struct emc_dram_settings { + u32 cmddelay; + u32 config0; + u32 rascas0; + u32 rdconfig; + u32 trp; + u32 tras; + u32 tsrex; + u32 twr; + u32 trc; + u32 trfc; + u32 txsr; + u32 trrd; + u32 tmrd; + u32 tcdlr; + u32 refresh; + u32 mode; + u32 emode; +}; + #endif /* _LPC32XX_EMC_H */ diff --git a/arch/arm/include/asm/arch-lpc32xx/mux.h b/arch/arm/include/asm/arch-lpc32xx/mux.h new file mode 100644 index 0000000..dc1b5bc --- /dev/null +++ b/arch/arm/include/asm/arch-lpc32xx/mux.h @@ -0,0 +1,18 @@ +/* + * LPC32xx MUX interface + * + * (C) Copyright 2015 DENX Software Engineering GmbH + * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/** + * MUX register map for LPC32xx + */ + +struct mux_regs { + u32 p_mux_set; + u32 p_mux_clr; + u32 p_mux_state; +}; diff --git a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h index 86d5ee9..c3d890d 100644 --- a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h +++ b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h @@ -7,10 +7,14 @@ #ifndef _LPC32XX_SYS_PROTO_H #define _LPC32XX_SYS_PROTO_H +#include <asm/arch/emc.h> + void lpc32xx_uart_init(unsigned int uart_id); void lpc32xx_mac_init(void); void lpc32xx_mlc_nand_init(void); void lpc32xx_i2c_init(unsigned int devnum); void lpc32xx_ssp_init(void); - +#if defined(CONFIG_SPL_BUILD) +void ddr_init(const struct emc_dram_settings *dram); +#endif #endif /* _LPC32XX_SYS_PROTO_H */ |