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author | Albert ARIBAUD \(3ADEV\) <albert.aribaud@3adev.fr> | 2015-03-31 11:40:44 +0200 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2015-04-10 14:22:56 +0200 |
commit | c8381bf435ddb104594df00411a8ebd049dd753c (patch) | |
tree | 0269cb43c5534f7985930f02cf898ee15940b072 /arch/arm | |
parent | ac2916a2245d999006585b6bb1e312639fa4929b (diff) | |
download | u-boot-imx-c8381bf435ddb104594df00411a8ebd049dd753c.zip u-boot-imx-c8381bf435ddb104594df00411a8ebd049dd753c.tar.gz u-boot-imx-c8381bf435ddb104594df00411a8ebd049dd753c.tar.bz2 |
lpc32xx: mtd: nand: add MLC NAND controller
The controller's Reed-Solomon ECC hardware is
used except of course for raw reads and writes.
It covers in- and out-of-band data together.
The SPL framework is supported.
Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 6 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/clk.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-lpc32xx/sys_proto.h | 1 |
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c index 062db8d..be4c93d 100644 --- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c +++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c @@ -44,3 +44,9 @@ void lpc32xx_mac_init(void) writel(CLK_MAC_REG | CLK_MAC_SLAVE | CLK_MAC_MASTER | CLK_MAC_MII, &clk->macclk_ctrl); } + +void lpc32xx_mlc_nand_init(void) +{ + /* Enable NAND interface */ + writel(CLK_NAND_MLC | CLK_NAND_MLC_INT, &clk->flashclk_ctrl); +} diff --git a/arch/arm/include/asm/arch-lpc32xx/clk.h b/arch/arm/include/asm/arch-lpc32xx/clk.h index 92f6c15..bc7d33d 100644 --- a/arch/arm/include/asm/arch-lpc32xx/clk.h +++ b/arch/arm/include/asm/arch-lpc32xx/clk.h @@ -147,6 +147,10 @@ struct clk_pm_regs { /* DMA Clock Control Register bits */ #define CLK_DMA_ENABLE (1 << 0) +/* NAND Clock Control Register bits */ +#define CLK_NAND_MLC (1 << 1) +#define CLK_NAND_MLC_INT (1 << 5) + unsigned int get_sys_clk_rate(void); unsigned int get_hclk_pll_rate(void); unsigned int get_hclk_clk_div(void); diff --git a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h index a6b8826..0c4e712 100644 --- a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h +++ b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h @@ -9,5 +9,6 @@ void lpc32xx_uart_init(unsigned int uart_id); void lpc32xx_mac_init(void); +void lpc32xx_mlc_nand_init(void); #endif /* _LPC32XX_SYS_PROTO_H */ |