diff options
Diffstat (limited to 'target/linux/bmips/patches-5.10/201-mips-bmips-automatically-detect-RAM-size.patch')
| -rw-r--r-- | target/linux/bmips/patches-5.10/201-mips-bmips-automatically-detect-RAM-size.patch | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/target/linux/bmips/patches-5.10/201-mips-bmips-automatically-detect-RAM-size.patch b/target/linux/bmips/patches-5.10/201-mips-bmips-automatically-detect-RAM-size.patch deleted file mode 100644 index 11459ad58f..0000000000 --- a/target/linux/bmips/patches-5.10/201-mips-bmips-automatically-detect-RAM-size.patch +++ /dev/null @@ -1,196 +0,0 @@ -From f9ee3f28ecb979c77423be965ef9dd313bdb9e9b Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com> -Date: Mon, 8 Mar 2021 16:58:34 +0100 -Subject: [PATCH 2/2] mips: bmips: automatically detect RAM size -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Some devices have different amounts of RAM installed depending on HW revision. - -Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> ---- - arch/mips/bmips/setup.c | 118 ++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 118 insertions(+) - ---- a/arch/mips/bmips/setup.c -+++ b/arch/mips/bmips/setup.c -@@ -19,6 +19,7 @@ - #include <linux/of_platform.h> - #include <linux/libfdt.h> - #include <linux/smp.h> -+#include <linux/types.h> - #include <asm/addrspace.h> - #include <asm/bmips.h> - #include <asm/bootinfo.h> -@@ -34,13 +35,16 @@ - #define REG_BCM6318_SOB ((void __iomem *)CKSEG1ADDR(0x10000900)) - #define BCM6318_FREQ_SHIFT 23 - #define BCM6318_FREQ_MASK (0x3 << BCM6318_FREQ_SHIFT) -+#define BCM6318_SDRAM_ADDR ((void __iomem *)CKSEG1ADDR(0x10004000)) - - #define REG_BCM6328_OTP ((void __iomem *)CKSEG1ADDR(0x1000062c)) - #define BCM6328_TP1_DISABLED BIT(9) - #define REG_BCM6328_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001a40)) - #define BCM6328_FCVO_SHIFT 7 - #define BCM6328_FCVO_MASK (0x1f << BCM6328_FCVO_SHIFT) -+#define BCM6328_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10003000)) - -+#define BCM6358_MEMC_ADDR ((void __iomem *)0xfffe1200) - #define REG_BCM6358_DDR_PLLC ((void __iomem *)0xfffe12b8) - #define BCM6358_PLLC_M1_SHIFT 0 - #define BCM6358_PLLC_M1_MASK (0xff << BCM6358_PLLC_M1_SHIFT) -@@ -52,7 +56,9 @@ - #define REG_BCM6362_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814)) - #define BCM6362_FCVO_SHIFT 1 - #define BCM6362_FCVO_MASK (0x1f << BCM6362_FCVO_SHIFT) -+#define BCM6362_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10003000)) - -+#define BCM6368_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10001200)) - #define REG_BCM6368_DDR_PLLC ((void __iomem *)CKSEG1ADDR(0x100012a0)) - #define BCM6368_PLLC_P1_SHIFT 0 - #define BCM6368_PLLC_P1_MASK (0xf << BCM6368_PLLC_P1_SHIFT) -@@ -67,7 +73,21 @@ - #define REG_BCM63268_MISC_SB ((void __iomem *)CKSEG1ADDR(0x10001814)) - #define BCM63268_FCVO_SHIFT 21 - #define BCM63268_FCVO_MASK (0xf << BCM63268_FCVO_SHIFT) -+#define BCM63268_MEMC_ADDR ((void __iomem *)CKSEG1ADDR(0x10003000)) - -+#define SDRAM_CFG_REG 0x0 -+#define SDRAM_SPACE_SHIFT 4 -+#define SDRAM_SPACE_MASK (0xf << SDRAM_SPACE_SHIFT) -+ -+#define MEMC_CFG_REG 0x4 -+#define MEMC_CFG_32B_SHIFT 1 -+#define MEMC_CFG_32B_MASK (1 << MEMC_CFG_32B_SHIFT) -+#define MEMC_CFG_COL_SHIFT 3 -+#define MEMC_CFG_COL_MASK (0x3 << MEMC_CFG_COL_SHIFT) -+#define MEMC_CFG_ROW_SHIFT 6 -+#define MEMC_CFG_ROW_MASK (0x3 << MEMC_CFG_ROW_SHIFT) -+ -+#define DDR_CSEND_REG 0x8 - - static const unsigned long kbase = VMLINUX_LOAD_ADDRESS & 0xfff00000; - -@@ -76,6 +96,11 @@ struct bmips_cpufreq { - u32 (*cpu_freq)(void); - }; - -+struct bmips_memsize { -+ const char *compatible; -+ phys_addr_t (*mem_size)(void); -+}; -+ - struct bmips_quirk { - const char *compatible; - void (*quirk_fn)(void); -@@ -337,9 +362,90 @@ void __init plat_time_init(void) - mips_hpt_frequency = freq; - } - -+static inline phys_addr_t bmips_dram_size(unsigned int cols, -+ unsigned int rows, -+ unsigned int is_32b, -+ unsigned int banks) -+{ -+ rows += 11; /* 0 => 11 address bits ... 2 => 13 address bits */ -+ cols += 8; /* 0 => 8 address bits ... 2 => 10 address bits */ -+ is_32b += 1; -+ -+ return 1 << (cols + rows + is_32b + banks); -+} -+ -+static phys_addr_t _bcm6318_memsize(void __iomem *addr) -+{ -+ u32 val; -+ -+ val = __raw_readl(addr + SDRAM_CFG_REG); -+ val = (val & SDRAM_SPACE_MASK) >> SDRAM_SPACE_SHIFT; -+ -+ return (1 << (val + 20)); -+} -+ -+static phys_addr_t _bcm6328_memsize(void __iomem *addr) -+{ -+ return __raw_readl(addr + DDR_CSEND_REG) << 24; -+} -+ -+static phys_addr_t _bcm6358_memsize(void __iomem *addr) -+{ -+ unsigned int cols, rows, is_32b; -+ u32 val; -+ -+ val = __raw_readl(addr + MEMC_CFG_REG); -+ rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT; -+ cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT; -+ is_32b = (val & MEMC_CFG_32B_MASK) ? 0 : 1; -+ -+ return bmips_dram_size(cols, rows, is_32b, 2); -+} -+ -+static phys_addr_t bcm6318_memsize(void) -+{ -+ return _bcm6318_memsize(BCM6318_SDRAM_ADDR); -+} -+ -+static phys_addr_t bcm6328_memsize(void) -+{ -+ return _bcm6328_memsize(BCM6328_MEMC_ADDR); -+} -+ -+static phys_addr_t bcm6358_memsize(void) -+{ -+ return _bcm6358_memsize(BCM6358_MEMC_ADDR); -+} -+ -+static phys_addr_t bcm6362_memsize(void) -+{ -+ return _bcm6328_memsize(BCM6362_MEMC_ADDR); -+} -+ -+static phys_addr_t bcm6368_memsize(void) -+{ -+ return _bcm6358_memsize(BCM6368_MEMC_ADDR); -+} -+ -+static phys_addr_t bcm63268_memsize(void) -+{ -+ return _bcm6328_memsize(BCM63268_MEMC_ADDR); -+} -+ -+static const struct bmips_memsize bmips_memsize_list[] = { -+ { "brcm,bcm6318", &bcm6318_memsize }, -+ { "brcm,bcm6328", &bcm6328_memsize }, -+ { "brcm,bcm6358", &bcm6358_memsize }, -+ { "brcm,bcm6362", &bcm6362_memsize }, -+ { "brcm,bcm6368", &bcm6368_memsize }, -+ { "brcm,bcm63268", &bcm63268_memsize }, -+ { /* sentinel */ } -+}; -+ - void __init plat_mem_setup(void) - { - void *dtb; -+ const struct bmips_memsize *ms; - const struct bmips_quirk *q; - - set_io_port_base(0); -@@ -358,6 +464,18 @@ void __init plat_mem_setup(void) - - __dt_setup_arch(dtb); - -+ for (ms = bmips_memsize_list; ms->mem_size; ms++) { -+ if (of_flat_dt_is_compatible(of_get_flat_dt_root(), -+ ms->compatible)) { -+ phys_addr_t mem = ms->mem_size(); -+ if (mem) { -+ memblock_add(0, mem); -+ printk("%uMB of RAM installed\n", mem >> 20); -+ break; -+ } -+ } -+ } -+ - for (q = bmips_quirk_list; q->quirk_fn; q++) { - if (of_flat_dt_is_compatible(of_get_flat_dt_root(), - q->compatible)) { |