fpga/mor1kx-bemicrocv
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Added Flashrom to top level

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This commit is contained in:
Markus Koch 2017-02-26 20:39:51 +01:00
parent cbda2c1302
commit dfcd35b152
1 changed files with 59 additions and 32 deletions
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41
design/top.vhd
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@ -40,7 +40,15 @@ entity top is
mem_dqs : inout std_logic_vector(1 downto 0) := (others => '0'); -- .mem_dqs mem_dqs : inout std_logic_vector(1 downto 0) := (others => '0'); -- .mem_dqs
mem_dqs_n : inout std_logic_vector(1 downto 0) := (others => '0'); -- .mem_dqs_n mem_dqs_n : inout std_logic_vector(1 downto 0) := (others => '0'); -- .mem_dqs_n
mem_odt : out std_logic_vector(0 downto 0); -- .mem_odt mem_odt : out std_logic_vector(0 downto 0); -- .mem_odt
oct_rzqin : in std_logic -- oct.rzqin oct_rzqin : in std_logic; -- oct.rzqin
-- SPI Flash Hardware Signals
flash_si : out std_logic; -- spi serial in
flash_so : in std_logic; -- spi serial out
flash_sck : out std_logic; -- spi clock
flash_reset_n : out std_logic; -- spi hard reset
flash_cs_n : out std_logic; -- spi chip select
flash_wp_n : out std_logic -- spi write protect
); );
end entity top; end entity top;
@ -51,12 +59,13 @@ architecture RTL of top is
-- WB config -- WB config
constant masters : natural := 3; constant masters : natural := 3;
constant slaves : natural := 2; constant slaves : natural := 3;
constant INTERCON_ID_SRAM : natural := 0; constant INTERCON_ID_SRAM : natural := 0;
constant INTERCON_ID_DDR3 : natural := 1; constant INTERCON_ID_DDR3 : natural := 1;
constant INTERCON_ID_GPIO : natural := 2; constant INTERCON_ID_FLASH : natural := 2;
constant INTERCON_ID_UART : natural := 3; -- constant INTERCON_ID_GPIO : natural := 2;
constant INTERCON_ID_NS16550 : natural := 4; -- constant INTERCON_ID_UART : natural := 3;
-- constant INTERCON_ID_NS16550 : natural := 4;
constant in_simulation : boolean := false constant in_simulation : boolean := false
--pragma synthesis_off --pragma synthesis_off
@ -297,6 +306,22 @@ begin
end if; end if;
end process wb2avl; end process wb2avl;
-- Non Volatile Memory
flashrom_wb_inst : entity work.flashrom_wb
port map(
clk => clk,
rst => rst,
clr => '0',
wb_in => intercon_slave_i(INTERCON_ID_FLASH),
wb_out => intercon_slave_o(INTERCON_ID_FLASH),
spi_si => flash_si,
spi_so => flash_so,
spi_sck => flash_sck,
spi_reset_n => flash_reset_n,
spi_cs_n => flash_cs_n,
spi_wp_n => flash_wp_n
);
-- Intercon -- Intercon
crossbar_inst : entity ip.crossbar crossbar_inst : entity ip.crossbar
generic map( generic map(
@ -313,11 +338,13 @@ begin
master_o => intercon_slave_i, master_o => intercon_slave_i,
address => ( address => (
INTERCON_ID_SRAM => x"00000000", INTERCON_ID_SRAM => x"00000000",
INTERCON_ID_DDR3 => x"80000000" INTERCON_ID_DDR3 => x"10000000",
INTERCON_ID_FLASH => x"90000000"
), ),
mask => ( mask => (
INTERCON_ID_SRAM => x"ffff0000", INTERCON_ID_SRAM => x"ffff0000",
INTERCON_ID_DDR3 => x"f0000000" INTERCON_ID_DDR3 => x"f0000000",
INTERCON_ID_FLASH => x"f0000000"
) )
); );
end architecture RTL; end architecture RTL;