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https://github.com/AsahiLinux/u-boot
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f784e32b4b
Provide a helper function that will setup the last available LAWs (upto 2) for DDR. Useful for SPD/dyanmic DDR setting code. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
#ifndef _FSL_LAW_H_
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#define _FSL_LAW_H_
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#include <asm/io.h>
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#define SET_LAW_ENTRY(idx, a, sz, trgt) \
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{ .index = idx, .addr = a, .size = sz, .trgt_id = trgt }
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#define SET_LAW(a, sz, trgt) \
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{ .index = -1, .addr = a, .size = sz, .trgt_id = trgt }
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enum law_size {
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LAW_SIZE_4K = 0xb,
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LAW_SIZE_8K,
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LAW_SIZE_16K,
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LAW_SIZE_32K,
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LAW_SIZE_64K,
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LAW_SIZE_128K,
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LAW_SIZE_256K,
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LAW_SIZE_512K,
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LAW_SIZE_1M,
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LAW_SIZE_2M,
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LAW_SIZE_4M,
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LAW_SIZE_8M,
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LAW_SIZE_16M,
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LAW_SIZE_32M,
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LAW_SIZE_64M,
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LAW_SIZE_128M,
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LAW_SIZE_256M,
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LAW_SIZE_512M,
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LAW_SIZE_1G,
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LAW_SIZE_2G,
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LAW_SIZE_4G,
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LAW_SIZE_8G,
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LAW_SIZE_16G,
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LAW_SIZE_32G,
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};
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enum law_trgt_if {
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LAW_TRGT_IF_PCI = 0x00,
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LAW_TRGT_IF_PCI_2 = 0x01,
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#ifndef CONFIG_MPC8641
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LAW_TRGT_IF_PCIE_1 = 0x02,
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#endif
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#ifndef CONFIG_MPC8572
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LAW_TRGT_IF_PCIE_3 = 0x03,
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#endif
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LAW_TRGT_IF_LBC = 0x04,
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LAW_TRGT_IF_CCSR = 0x08,
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LAW_TRGT_IF_DDR_INTRLV = 0x0b,
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LAW_TRGT_IF_RIO = 0x0c,
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LAW_TRGT_IF_DDR = 0x0f,
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LAW_TRGT_IF_DDR_2 = 0x16, /* 2nd controller */
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};
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#define LAW_TRGT_IF_DDR_1 LAW_TRGT_IF_DDR
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#define LAW_TRGT_IF_PCI_1 LAW_TRGT_IF_PCI
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#define LAW_TRGT_IF_PCIX LAW_TRGT_IF_PCI
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#define LAW_TRGT_IF_PCIE_2 LAW_TRGT_IF_PCI_2
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#ifdef CONFIG_MPC8641
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#define LAW_TRGT_IF_PCIE_1 LAW_TRGT_IF_PCI
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#endif
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#ifdef CONFIG_MPC8572
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#define LAW_TRGT_IF_PCIE_3 LAW_TRGT_IF_PCI
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#endif
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struct law_entry {
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int index;
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phys_addr_t addr;
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enum law_size size;
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enum law_trgt_if trgt_id;
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};
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extern void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
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extern int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
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extern int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id);
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extern int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id);
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extern void disable_law(u8 idx);
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extern void init_laws(void);
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extern void print_laws(void);
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/* define in board code */
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extern struct law_entry law_table[];
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extern int num_law_entries;
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#endif
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