From d73a8a1b8ce831f9b869960de682ca7d48d49f9d Mon Sep 17 00:00:00 2001 From: Stefano Babic Date: Thu, 11 Nov 2010 15:38:02 +0100 Subject: da850: Enable SPI Flash The patch was already posted to the arago project, but not yet to mainline. It allows to save environment into the spi flash. Tested on LogiPD tmdxl138. Signed-off-by: Sudhakar Rajashekhara Signed-off-by: Stefano Babic CC: Detlev Zundev CC: Ben Gardiner Signed-off-by: Sandeep Paulraj --- arch/arm/include/asm/arch-davinci/hardware.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/arm/include/asm/arch-davinci') diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 2a460b55db..21b20763a8 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -133,7 +133,8 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_PSC1_BASE 0x01e27000 #define DAVINCI_SPI0_BASE 0x01c41000 #define DAVINCI_USB_OTG_BASE 0x01e00000 -#define DAVINCI_SPI1_BASE 0x01e12000 +#define DAVINCI_SPI1_BASE (cpu_is_da830() ? \ + 0x01e12000 : 0x01f0e000) #define DAVINCI_GPIO_BASE 0x01e26000 #define DAVINCI_EMAC_CNTRL_REGS_BASE 0x01e23000 #define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE 0x01e22000 @@ -364,6 +365,9 @@ struct davinci_pllc_regs { #define davinci_pllc_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE) #define DAVINCI_PLLC_DIV_MASK 0x1f +#define ASYNC3 get_async3_src() +#define PLL1_SYSCLK2 ((1 << 16) | 0x2) +#define DAVINCI_SPI1_CLKID (cpu_is_da830() ? 2 : ASYNC3) /* Clock IDs */ enum davinci_clk_ids { DAVINCI_SPI0_CLKID = 2, @@ -458,6 +462,12 @@ static inline int cpu_is_da850(void) return ((part_no == 0xb7d1) ? 1 : 0); } +static inline int get_async3_src(void) +{ + return (REG(&davinci_syscfg_regs->cfgchip3) & 0x10) ? + PLL1_SYSCLK2 : 2; +} + #endif /* CONFIG_SOC_DA8XX */ #endif /* __ASM_ARCH_HARDWARE_H */ -- cgit v1.2.1