diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/stv0991/clock.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/stv0991/pinmux.c | 5 | ||||
| -rw-r--r-- | arch/arm/dts/socfpga.dtsi | 1 | ||||
| -rw-r--r-- | arch/arm/dts/stv0991.dts | 30 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-stv0991/stv0991_cgu.h | 15 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-stv0991/stv0991_creg.h | 9 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-stv0991/stv0991_periph.h | 2 |
8 files changed, 68 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9908b430d6..506463c12c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -227,6 +227,9 @@ config TARGET_STV0991 select CPU_V7 select DM select DM_SERIAL + select DM_SPI + select DM_SPI_FLASH + select SPI_FLASH config TARGET_X600 bool "Support x600" diff --git a/arch/arm/cpu/armv7/stv0991/clock.c b/arch/arm/cpu/armv7/stv0991/clock.c index 70b8a8d984..26c0d3637d 100644 --- a/arch/arm/cpu/armv7/stv0991/clock.c +++ b/arch/arm/cpu/armv7/stv0991/clock.c @@ -33,7 +33,9 @@ void clock_setup(int peripheral) /* Clock selection for ethernet tx_clk & rx_clk*/ writel((readl(&stv0991_cgu_regs->eth_ctrl) & ETH_CLK_MASK) | ETH_CLK_CTRL, &stv0991_cgu_regs->eth_ctrl); - + break; + case QSPI_CLOCK_CFG: + writel(QSPI_CLK_CTRL, &stv0991_cgu_regs->qspi_freq); break; default: break; diff --git a/arch/arm/cpu/armv7/stv0991/pinmux.c b/arch/arm/cpu/armv7/stv0991/pinmux.c index 1d086a235d..24c67faaea 100644 --- a/arch/arm/cpu/armv7/stv0991/pinmux.c +++ b/arch/arm/cpu/armv7/stv0991/pinmux.c @@ -55,6 +55,11 @@ int stv0991_pinmux_config(int peripheral) ETH_M_VDD_CFG, &stv0991_creg->vdd_pad1); break; + case QSPI_CS_CLK_PAD: + writel((readl(&stv0991_creg->mux13) & FLASH_CS_NC_MASK) | + CFG_FLASH_CS_NC, &stv0991_creg->mux13); + writel((readl(&stv0991_creg->mux13) & FLASH_CLK_MASK) | + CFG_FLASH_CLK, &stv0991_creg->mux13); default: break; } diff --git a/arch/arm/dts/socfpga.dtsi b/arch/arm/dts/socfpga.dtsi index bf791c5dde..9b1242025d 100644 --- a/arch/arm/dts/socfpga.dtsi +++ b/arch/arm/dts/socfpga.dtsi @@ -639,6 +639,7 @@ ext-decoder = <0>; /* external decoder */ num-cs = <4>; fifo-depth = <128>; + sram-size = <128>; bus-num = <2>; status = "disabled"; }; diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts index b25c48bcec..fa3fd641b2 100644 --- a/arch/arm/dts/stv0991.dts +++ b/arch/arm/dts/stv0991.dts @@ -20,4 +20,34 @@ reg = <0x80406000 0x1000>; clock = <2700000>; }; + + aliases { + spi0 = "/spi@80203000"; /* QSPI */ + }; + + qspi: spi@80203000 { + compatible = "cadence,qspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x80203000 0x100>, + <0x40000000 0x1000000>; + clocks = <3750000>; + sram-size = <256>; + status = "okay"; + + flash0: n25q32@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spi-flash"; + reg = <0>; /* chip select */ + spi-max-frequency = <50000000>; + m25p,fast-read; + page-size = <256>; + block-size = <16>; /* 2^16, 64KB */ + tshsl-ns = <50>; + tsd2d-ns = <50>; + tchsh-ns = <4>; + tslch-ns = <4>; + }; + }; }; diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h index ddcbb57a92..f0045f3e04 100644 --- a/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h +++ b/arch/arm/include/asm/arch-stv0991/stv0991_cgu.h @@ -113,4 +113,19 @@ struct stv0991_cgu_regs { #define ETH_CLK_CTRL (ETH_CLK_RX_EXT_PHY << RX_CLK_SHIFT \ | ETH_CLK_TX_EXT_PHY) +/* CGU qspi clock */ +#define DIV_HCLK1_SHIFT 9 +#define DIV_CRYP_SHIFT 6 +#define MDIV_QSPI_SHIFT 3 + +#define CLK_QSPI_OSC 0 +#define CLK_QSPI_MCLK 1 +#define CLK_QSPI_PLL1 2 +#define CLK_QSPI_PLL2 3 + +#define QSPI_CLK_CTRL (3 << DIV_HCLK1_SHIFT \ + | 1 << DIV_CRYP_SHIFT \ + | 0 << MDIV_QSPI_SHIFT \ + | CLK_QSPI_OSC) + #endif diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_creg.h b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h index c804eb5e4c..737c95253b 100644 --- a/arch/arm/include/asm/arch-stv0991/stv0991_creg.h +++ b/arch/arm/include/asm/arch-stv0991/stv0991_creg.h @@ -49,6 +49,15 @@ struct stv0991_creg { u32 vdd_comp1; /* offset 0x400 */ }; +/* CREG MUX 13 register */ +#define FLASH_CS_NC_SHIFT 4 +#define FLASH_CS_NC_MASK ~(7 << FLASH_CS_NC_SHIFT) +#define CFG_FLASH_CS_NC (0 << FLASH_CS_NC_SHIFT) + +#define FLASH_CLK_SHIFT 0 +#define FLASH_CLK_MASK ~(7 << FLASH_CLK_SHIFT) +#define CFG_FLASH_CLK (0 << FLASH_CLK_SHIFT) + /* CREG MUX 12 register */ #define GPIOC_30_MUX_SHIFT 24 #define GPIOC_30_MUX_MASK ~(1 << GPIOC_30_MUX_SHIFT) diff --git a/arch/arm/include/asm/arch-stv0991/stv0991_periph.h b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h index f728c83cb7..725da838b8 100644 --- a/arch/arm/include/asm/arch-stv0991/stv0991_periph.h +++ b/arch/arm/include/asm/arch-stv0991/stv0991_periph.h @@ -18,6 +18,7 @@ enum periph_id { UART_GPIOC_30_31 = 0, UART_GPIOB_16_17, ETH_GPIOB_10_31_C_0_4, + QSPI_CS_CLK_PAD, PERIPH_ID_I2C0, PERIPH_ID_I2C1, PERIPH_ID_I2C2, @@ -39,6 +40,7 @@ enum periph_id { enum periph_clock { UART_CLOCK_CFG = 0, ETH_CLOCK_CFG, + QSPI_CLOCK_CFG, }; #endif /* __ASM_ARM_ARCH_PERIPH_H */ |